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94,430 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
e92b99ae82 |
tracing and tracefs fixes for v6.9
- Fix RCU callback of freeing an eventfs_inode. The freeing of the eventfs_inode from the kref going to zero freed the contents of the eventfs_inode and then used kfree_rcu() to free the inode itself. But the contents should also be protected by RCU. Switch to a call_rcu() that calls a function to free all of the eventfs_inode after the RCU synchronization. - The tracing subsystem maps its own descriptor to a file represented by eventfs. The freeing of this descriptor needs to know when the last reference of an eventfs_inode is released, but currently there is no interface for that. Add a "release" callback to the eventfs_inode entry array that allows for freeing of data that can be referenced by the eventfs_inode being opened. Then increment the ref counter for this descriptor when the eventfs_inode file is created, and decrement/free it when the last reference to the eventfs_inode is released and the file is removed. This prevents races between freeing the descriptor and the opening of the eventfs file. - Fix the permission processing of eventfs. The change to make the permissions of eventfs default to the mount point but keep track of when changes were made had a side effect that could cause security concerns. When the tracefs is remounted with a given gid or uid, all the files within it should inherit that gid or uid. But if the admin had changed the permission of some file within the tracefs file system, it would not get updated by the remount. This caused the kselftest of file permissions to fail the second time it is run. The first time, all changes would look fine, but the second time, because the changes were "saved", the remount did not reset them. Create a link list of all existing tracefs inodes, and clear the saved flags on them on a remount if the remount changes the corresponding gid or uid fields. This also simplifies the code by removing the distinction between the toplevel eventfs and an instance eventfs. They should both act the same. They were different because of a misconception due to the remount not resetting the flags. Now that remount resets all the files and directories to default to the root node if a uid/gid is specified, it makes the logic simpler to implement. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCZjXxzxQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qqzGAQCX8g7gtngGgwSsWqPW5GmecCifwFja k7cVEDhMYPnDeAEAkYi2ZBgJRkPsWPfMRClDK/DXP4woOo58asxtIxfTMgg= =mCkt -----END PGP SIGNATURE----- Merge tag 'trace-v6.9-rc6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull tracing and tracefs fixes from Steven Rostedt: - Fix RCU callback of freeing an eventfs_inode. The freeing of the eventfs_inode from the kref going to zero freed the contents of the eventfs_inode and then used kfree_rcu() to free the inode itself. But the contents should also be protected by RCU. Switch to a call_rcu() that calls a function to free all of the eventfs_inode after the RCU synchronization. - The tracing subsystem maps its own descriptor to a file represented by eventfs. The freeing of this descriptor needs to know when the last reference of an eventfs_inode is released, but currently there is no interface for that. Add a "release" callback to the eventfs_inode entry array that allows for freeing of data that can be referenced by the eventfs_inode being opened. Then increment the ref counter for this descriptor when the eventfs_inode file is created, and decrement/free it when the last reference to the eventfs_inode is released and the file is removed. This prevents races between freeing the descriptor and the opening of the eventfs file. - Fix the permission processing of eventfs. The change to make the permissions of eventfs default to the mount point but keep track of when changes were made had a side effect that could cause security concerns. When the tracefs is remounted with a given gid or uid, all the files within it should inherit that gid or uid. But if the admin had changed the permission of some file within the tracefs file system, it would not get updated by the remount. This caused the kselftest of file permissions to fail the second time it is run. The first time, all changes would look fine, but the second time, because the changes were "saved", the remount did not reset them. Create a link list of all existing tracefs inodes, and clear the saved flags on them on a remount if the remount changes the corresponding gid or uid fields. This also simplifies the code by removing the distinction between the toplevel eventfs and an instance eventfs. They should both act the same. They were different because of a misconception due to the remount not resetting the flags. Now that remount resets all the files and directories to default to the root node if a uid/gid is specified, it makes the logic simpler to implement. * tag 'trace-v6.9-rc6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: eventfs: Have "events" directory get permissions from its parent eventfs: Do not treat events directory different than other directories eventfs: Do not differentiate the toplevel events directory tracefs: Still use mount point as default permissions for instances tracefs: Reset permissions on remount if permissions are options eventfs: Free all of the eventfs_inode after RCU eventfs/tracing: Add callback for release of an eventfs_inode |
||
Steven Rostedt (Google)
|
b63db58e2f |
eventfs/tracing: Add callback for release of an eventfs_inode
Synthetic events create and destroy tracefs files when they are created
and removed. The tracing subsystem has its own file descriptor
representing the state of the events attached to the tracefs files.
There's a race between the eventfs files and this file descriptor of the
tracing system where the following can cause an issue:
With two scripts 'A' and 'B' doing:
Script 'A':
echo "hello int aaa" > /sys/kernel/tracing/synthetic_events
while :
do
echo 0 > /sys/kernel/tracing/events/synthetic/hello/enable
done
Script 'B':
echo > /sys/kernel/tracing/synthetic_events
Script 'A' creates a synthetic event "hello" and then just writes zero
into its enable file.
Script 'B' removes all synthetic events (including the newly created
"hello" event).
What happens is that the opening of the "enable" file has:
{
struct trace_event_file *file = inode->i_private;
int ret;
ret = tracing_check_open_get_tr(file->tr);
[..]
But deleting the events frees the "file" descriptor, and a "use after
free" happens with the dereference at "file->tr".
The file descriptor does have a reference counter, but there needs to be a
way to decrement it from the eventfs when the eventfs_inode is removed
that represents this file descriptor.
Add an optional "release" callback to the eventfs_entry array structure,
that gets called when the eventfs file is about to be removed. This allows
for the creating on the eventfs file to increment the tracing file
descriptor ref counter. When the eventfs file is deleted, it can call the
release function that will call the put function for the tracing file
descriptor.
This will protect the tracing file from being freed while a eventfs file
that references it is being opened.
Link: https://lore.kernel.org/linux-trace-kernel/20240426073410.17154-1-Tze-nan.Wu@mediatek.com/
Link: https://lore.kernel.org/linux-trace-kernel/20240502090315.448cba46@gandalf.local.home
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Fixes:
|
||
|
Linus Torvalds
|
7dc78c7b44 |
sound fixes for 6.9-rc7
As usual in a late stage, we received a fair amount of fixes for ASoC, and it became bigger than wished. But all fixes are rather device- specific, and they look pretty safe to apply. A major par of changes are series of fixes for ASoC meson and SOF drivers as well as for Realtek and Cirrus codecs. In addition, recent emu10k1 regression fixes and usual HD-audio quirks are included. -----BEGIN PGP SIGNATURE----- iQJCBAABCAAsFiEEIXTw5fNLNI7mMiVaLtJE4w1nLE8FAmY0n6wOHHRpd2FpQHN1 c2UuZGUACgkQLtJE4w1nLE8PqA/7BB6G1i3ARX7MusxZA/bqoEQ5nVhocs/WJGos WCUTc6GH9uWvpBE+dY3/9IQemnndb5LaKuIK8Bh1ooTdHiu431X4cXPqX5U2gvbW iHom2Mk7KFPVqQEzx0QV4i5gc68G3FMgwi2G6FMx4APaNn2XpyTweKoV9V8keBQq lpLQ5dxxeK4CJQFen5HOY0NqxtydSq4ee1wEK8UaxYWdI0U6EQ3aHqs+MvUytTvv zgfm0QUE1tWjpEg2NnVdsJsoJ7W8NQWJqhuELR+cZY2nE6c0yEZDSmVOcCe8SaDu GjsAQZ3RWIBtBnjeU9XYdtxOqviDAzxic0x0CQWS/WIk/AI4vLRBu8ke+0N92lrO XthqrbF+5Gf+SwGeh8UldInR/wFMnvatOhg91JGJfFFOq8lPSk6XG59CXc6o8Hqc G7fWxRkbPI93mSxmWdoOLfzoQLpCUw2hKt5CtKVpPs3Pw01lKUK5ypRMDxpr8yiv gJ8RpK9d1Rxvi6422B3f+/0uX/R2Lis1D28GzqJDAvR12GceJtX2Ngnto0xya3Hb n4nAUA2CP1OdaHX9652iC+7d7NI7RHFen1Pme/EvidH2aA93C5W6FzpcmI5J70AZ BCCaeHnAP4mLY2Xozi12RHb9+fBZ+OJ3nSg79EiTKyTzf11DqTZe1/QLg+gTl4Aa n4ZaTKY= =K8HF -----END PGP SIGNATURE----- Merge tag 'sound-6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "As usual in a late stage, we received a fair amount of fixes for ASoC, and it became bigger than wished. But all fixes are rather device- specific, and they look pretty safe to apply. A major par of changes are series of fixes for ASoC meson and SOF drivers as well as for Realtek and Cirrus codecs. In addition, recent emu10k1 regression fixes and usual HD-audio quirks are included" * tag 'sound-6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (46 commits) ALSA: hda/realtek: Fix build error without CONFIG_PM ALSA: hda/realtek: Fix conflicting PCI SSID 17aa:386f for Lenovo Legion models ALSA: hda/realtek - Set GPIO3 to default at S4 state for Thinkpad with ALC1318 ALSA: hda: intel-sdw-acpi: fix usage of device_get_named_child_node() ALSA: hda: intel-dsp-config: harden I2C/I2S codec detection ASoC: cs35l56: fix usages of device_get_named_child_node() ASoC: da7219-aad: fix usage of device_get_named_child_node() ASoC: meson: cards: select SND_DYNAMIC_MINORS ASoC: meson: axg-tdm: add continuous clock support ASoC: meson: axg-tdm-interface: manage formatters in trigger ASoC: meson: axg-card: make links nonatomic ASoC: meson: axg-fifo: use threaded irq to check periods ALSA: hda/realtek: Fix mute led of HP Laptop 15-da3001TU ALSA: emu10k1: make E-MU FPGA writes potentially more reliable ALSA: emu10k1: fix E-MU dock initialization ALSA: emu10k1: use mutex for E-MU FPGA access locking ALSA: emu10k1: move the whole GPIO event handling to the workqueue ALSA: emu10k1: factor out snd_emu1010_load_dock_firmware() ALSA: emu10k1: fix E-MU card dock presence monitoring ASoC: rt715-sdca: volume step modification ... |
||
|
Linus Torvalds
|
545c494465 |
Including fixes from bpf.
Relatively calm week, likely due to public holiday in most places.
No known outstanding regressions.
Current release - regressions:
- rxrpc: fix wrong alignmask in __page_frag_alloc_align()
- eth: e1000e: change usleep_range to udelay in PHY mdic access
Previous releases - regressions:
- gro: fix udp bad offset in socket lookup
- bpf: fix incorrect runtime stat for arm64
- tipc: fix UAF in error path
- netfs: fix a potential infinite loop in extract_user_to_sg()
- eth: ice: ensure the copied buf is NUL terminated
- eth: qeth: fix kernel panic after setting hsuid
Previous releases - always broken:
- bpf:
- verifier: prevent userspace memory access
- xdp: use flags field to disambiguate broadcast redirect
- bridge: fix multicast-to-unicast with fraglist GSO
- mptcp: ensure snd_nxt is properly initialized on connect
- nsh: fix outer header access in nsh_gso_segment().
- eth: bcmgenet: fix racing registers access
- eth: vxlan: fix stats counters.
Misc:
- a bunch of MAINTAINERS file updates
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from bpf.
Relatively calm week, likely due to public holiday in most places. No
known outstanding regressions.
Current release - regressions:
- rxrpc: fix wrong alignmask in __page_frag_alloc_align()
- eth: e1000e: change usleep_range to udelay in PHY mdic access
Previous releases - regressions:
- gro: fix udp bad offset in socket lookup
- bpf: fix incorrect runtime stat for arm64
- tipc: fix UAF in error path
- netfs: fix a potential infinite loop in extract_user_to_sg()
- eth: ice: ensure the copied buf is NUL terminated
- eth: qeth: fix kernel panic after setting hsuid
Previous releases - always broken:
- bpf:
- verifier: prevent userspace memory access
- xdp: use flags field to disambiguate broadcast redirect
- bridge: fix multicast-to-unicast with fraglist GSO
- mptcp: ensure snd_nxt is properly initialized on connect
- nsh: fix outer header access in nsh_gso_segment().
- eth: bcmgenet: fix racing registers access
- eth: vxlan: fix stats counters.
Misc:
- a bunch of MAINTAINERS file updates"
* tag 'net-6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (45 commits)
MAINTAINERS: mark MYRICOM MYRI-10G as Orphan
MAINTAINERS: remove Ariel Elior
net: gro: add flush check in udp_gro_receive_segment
net: gro: fix udp bad offset in socket lookup by adding {inner_}network_offset to napi_gro_cb
ipv4: Fix uninit-value access in __ip_make_skb()
s390/qeth: Fix kernel panic after setting hsuid
vxlan: Pull inner IP header in vxlan_rcv().
tipc: fix a possible memleak in tipc_buf_append
tipc: fix UAF in error path
rxrpc: Clients must accept conn from any address
net: core: reject skb_copy(_expand) for fraglist GSO skbs
net: bridge: fix multicast-to-unicast with fraglist GSO
mptcp: ensure snd_nxt is properly initialized on connect
e1000e: change usleep_range to udelay in PHY mdic access
net: dsa: mv88e6xxx: Fix number of databases for 88E6141 / 88E6341
cxgb4: Properly lock TX queue for the selftest.
rxrpc: Fix using alignmask being zero for __page_frag_alloc_align()
vxlan: Add missing VNI filter counter update in arp_reduce().
vxlan: Fix racy device stats updates.
net: qede: use return from qede_parse_actions()
...
|
||
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Linus Torvalds
|
0106679839 |
regulator: Fixes for v6.9
There's a few simple driver specific fixes here, plus some core cleanups from Matti which fix issues found with client drivers due to the API being confusing. The two fixes for the stubs provide more constructive behaviour with !REGULATOR configurations, issues were noticed with some hwmon drivers which would otherwise have needed confusing bodges in the users. The irq_helpers fix to duplicate the provided name for the interrupt controller was found because a driver got this wrong and it's again a case where the core is the sensible place to put the fix. -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmYyTJMACgkQJNaLcl1U h9A3swf7B2FEBbSebgtsCPWWurAxnHa5WvZnGnMELxtNvSPrLQfGSqayj3OdEKXX C54fGrzEkWYKER8Y9qRt4+OTWqC6yvEHI5w8CO8DjvZdx1LpbItwAIa/IzVm0TJW LZE5f9z8HsN/6yvNcyIltlhnSblYvBBWy60CF1CIf93uUtao9hAW80xLRvWxlTMW Otl7FId3VgJINU7kZ4QII+8Wta9eP6uRpZwgPYS3oKQvfGXLcsZ+hGpITPX0HI/a V81CwrofVcT/EA4qDc/Kf9VQtH6kqAI9OwNUWbWzq8z1DEivUE1ATAQn3jCLdtJu YmIyCi+MAowyjcq8vUsnMURARBDEyg== =ADux -----END PGP SIGNATURE----- Merge tag 'regulator-fix-v6.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator Pull regulator fixes from Mark Brown: "There's a few simple driver specific fixes here, plus some core cleanups from Matti which fix issues found with client drivers due to the API being confusing. The two fixes for the stubs provide more constructive behaviour with !REGULATOR configurations, issues were noticed with some hwmon drivers which would otherwise have needed confusing bodges in the users. The irq_helpers fix to duplicate the provided name for the interrupt controller was found because a driver got this wrong and it's again a case where the core is the sensible place to put the fix" * tag 'regulator-fix-v6.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: change devm_regulator_get_enable_optional() stub to return Ok regulator: change stubbed devm_regulator_get_enable to return Ok regulator: vqmmc-ipq4019: fix module autoloading regulator: qcom-refgen: fix module autoloading regulator: mt6360: De-capitalize devicetree regulator subnodes regulator: irq_helpers: duplicate IRQ name |
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|
Linus Torvalds
|
aec147c188 |
Misc fixes:
- Make the CPU_MITIGATIONS=n interaction with conflicting
mitigation-enabling boot parameters a bit saner.
- Re-enable CPU mitigations by default on non-x86
- Fix TDX shared bit propagation on mprotect()
- Fix potential show_regs() system hang when PKE
initialization is not fully finished yet.
- Add the 0x10-0x1f model IDs to the Zen5 range
- Harden #VC instruction emulation some more
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2024-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
- Make the CPU_MITIGATIONS=n interaction with conflicting
mitigation-enabling boot parameters a bit saner.
- Re-enable CPU mitigations by default on non-x86
- Fix TDX shared bit propagation on mprotect()
- Fix potential show_regs() system hang when PKE initialization
is not fully finished yet.
- Add the 0x10-0x1f model IDs to the Zen5 range
- Harden #VC instruction emulation some more
* tag 'x86-urgent-2024-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpu: Ignore "mitigations" kernel parameter if CPU_MITIGATIONS=n
cpu: Re-enable CPU mitigations by default for !X86 architectures
x86/tdx: Preserve shared bit on mprotect()
x86/cpu: Fix check for RDPKRU in __show_regs()
x86/CPU/AMD: Add models 0x10-0x1f to the Zen5 range
x86/sev: Check for MWAITX and MONITORX opcodes in the #VC handler
|
||
Tetsuo Handa
|
2e5449f4f2 |
profiling: Remove create_prof_cpu_mask().
create_prof_cpu_mask() is no longer used after commit
|
||
Jakub Kicinski
|
b2ff42c6d3 |
bpf-for-netdev
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTFp0I1jqZrAX+hPRXbK58LschIgwUCZiwdfQAKCRDbK58LschI g1oqAP9mjayeIHCfYMQZa2eevy1PmVlgdNdFdMDWZFS/pHv9cgD/ZdmGzbUDKCAQ Y/KiTajitZw3kxtHX45v8/Ugtlsh9Qg= =Ewiw -----END PGP SIGNATURE----- Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf Daniel Borkmann says: ==================== pull-request: bpf 2024-04-26 We've added 12 non-merge commits during the last 22 day(s) which contain a total of 14 files changed, 168 insertions(+), 72 deletions(-). The main changes are: 1) Fix BPF_PROBE_MEM in verifier and JIT to skip loads from vsyscall page, from Puranjay Mohan. 2) Fix a crash in XDP with devmap broadcast redirect when the latter map is in process of being torn down, from Toke Høiland-Jørgensen. 3) Fix arm64 and riscv64 BPF JITs to properly clear start time for BPF program runtime stats, from Xu Kuohai. 4) Fix a sockmap KCSAN-reported data race in sk_psock_skb_ingress_enqueue, from Jason Xing. 5) Fix BPF verifier error message in resolve_pseudo_ldimm64, from Anton Protopopov. 6) Fix missing DEBUG_INFO_BTF_MODULES Kconfig menu item, from Andrii Nakryiko. * tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: selftests/bpf: Test PROBE_MEM of VSYSCALL_ADDR on x86-64 bpf, x86: Fix PROBE_MEM runtime load check bpf: verifier: prevent userspace memory access xdp: use flags field to disambiguate broadcast redirect arm32, bpf: Reimplement sign-extension mov instruction riscv, bpf: Fix incorrect runtime stats bpf, arm64: Fix incorrect runtime stats bpf: Fix a verifier verbose message bpf, skmsg: Fix NULL pointer dereference in sk_psock_skb_ingress_enqueue MAINTAINERS: bpf: Add Lehui and Puranjay as riscv64 reviewers MAINTAINERS: Update email address for Puranjay Mohan bpf, kconfig: Fix DEBUG_INFO_BTF_MODULES Kconfig definition ==================== Link: https://lore.kernel.org/r/20240426224248.26197-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Linus Torvalds
|
5eb4573ea6 |
ARM SoC fixes for 6.9, part 2
There are a lot of minor DT fixes for Mediatek, Rockchip, Qualcomm and
Microchip and NXP, addressing both build-time warnings and bugs found during
runtime testing. Most of these changes are machine specific fixups, but
there are a few notable regressions that affect an entire SoC:
- The Qualcomm MSI support that was improved for 6.9 ended up being
wrong on some chips and now gets fixed.
- The i.MX8MP camera interface broke due to a typo and gets
updated again.
The main driver fix is also for Qualcomm platofrms, rewriting an interface
in the QSEECOM firmware support that could lead to crashing the kernel
from a trusted application. The only other code changes are minor fixes
for Mediatek SoC drivers.
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Merge tag 'soc-fixes-6.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"There are a lot of minor DT fixes for Mediatek, Rockchip, Qualcomm and
Microchip and NXP, addressing both build-time warnings and bugs found
during runtime testing.
Most of these changes are machine specific fixups, but there are a few
notable regressions that affect an entire SoC:
- The Qualcomm MSI support that was improved for 6.9 ended up being
wrong on some chips and now gets fixed.
- The i.MX8MP camera interface broke due to a typo and gets updated
again.
The main driver fix is also for Qualcomm platforms, rewriting an
interface in the QSEECOM firmware support that could lead to crashing
the kernel from a trusted application.
The only other code changes are minor fixes for Mediatek SoC drivers"
* tag 'soc-fixes-6.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (50 commits)
ARM: dts: imx6ull-tarragon: fix USB over-current polarity
soc: mediatek: mtk-socinfo: depends on CONFIG_SOC_BUS
soc: mediatek: mtk-svs: Append "-thermal" to thermal zone names
arm64: dts: imx8mp: Fix assigned-clocks for second CSI2
ARM: dts: microchip: at91-sama7g54_curiosity: Replace regulator-suspend-voltage with the valid property
ARM: dts: microchip: at91-sama7g5ek: Replace regulator-suspend-voltage with the valid property
arm64: dts: rockchip: Fix USB interface compatible string on kobol-helios64
arm64: dts: qcom: sc8180x: Fix ss_phy_irq for secondary USB controller
arm64: dts: qcom: sm8650: Fix the msi-map entries
arm64: dts: qcom: sm8550: Fix the msi-map entries
arm64: dts: qcom: sm8450: Fix the msi-map entries
arm64: dts: qcom: sc8280xp: add missing PCIe minimum OPP
arm64: dts: qcom: x1e80100: Fix the compatible for cluster idle states
arm64: dts: qcom: Fix type of "wdog" IRQs for remoteprocs
arm64: dts: rockchip: regulator for sd needs to be always on for BPI-R2Pro
dt-bindings: rockchip: grf: Add missing type to 'pcie-phy' node
arm64: dts: rockchip: drop redundant disable-gpios in Lubancat 2
arm64: dts: rockchip: drop redundant disable-gpios in Lubancat 1
arm64: dts: rockchip: drop redundant pcie-reset-suspend in Scarlet Dumo
arm64: dts: rockchip: mark system power controller and fix typo on orangepi-5-plus
...
|
||
|
Linus Torvalds
|
e6ebf01172 |
11 hotfixes. 8 are cc:stable and the remaining 3 (nice ratio!) address
post-6.8 issues or aren't considered suitable for backporting. All except one of these are for MM. I see no particular theme - it's singletons all over. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZiwPZwAKCRDdBJ7gKXxA jmcQAPkB6UT/rBUMvFZb1dom9R6SDYl5ZBr20Vj1HvfakCLxmQEAqEd0N7QoWvKS hKNCMDujiEKqDUWeUaJen4cqXFFE2Qg= =1wP7 -----END PGP SIGNATURE----- Merge tag 'mm-hotfixes-stable-2024-04-26-13-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "11 hotfixes. 8 are cc:stable and the remaining 3 (nice ratio!) address post-6.8 issues or aren't considered suitable for backporting. All except one of these are for MM. I see no particular theme - it's singletons all over" * tag 'mm-hotfixes-stable-2024-04-26-13-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: mm/hugetlb: fix DEBUG_LOCKS_WARN_ON(1) when dissolve_free_hugetlb_folio() selftests: mm: protection_keys: save/restore nr_hugepages value from launch script stackdepot: respect __GFP_NOLOCKDEP allocation flag hugetlb: check for anon_vma prior to folio allocation mm: zswap: fix shrinker NULL crash with cgroup_disable=memory mm: turn folio_test_hugetlb into a PageType mm: support page_mapcount() on page_has_type() pages mm: create FOLIO_FLAG_FALSE and FOLIO_TYPE_OPS macros mm/hugetlb: fix missing hugetlb_lock for resv uncharge selftests: mm: fix unused and uninitialized variable warning selftests/harness: remove use of LINE_MAX |
||
Puranjay Mohan
|
66e13b615a |
bpf: verifier: prevent userspace memory access
With BPF_PROBE_MEM, BPF allows de-referencing an untrusted pointer. To
thwart invalid memory accesses, the JITs add an exception table entry
for all such accesses. But in case the src_reg + offset is a userspace
address, the BPF program might read that memory if the user has
mapped it.
Make the verifier add guard instructions around such memory accesses and
skip the load if the address falls into the userspace region.
The JITs need to implement bpf_arch_uaddress_limit() to define where
the userspace addresses end for that architecture or TASK_SIZE is taken
as default.
The implementation is as follows:
REG_AX = SRC_REG
if(offset)
REG_AX += offset;
REG_AX >>= 32;
if (REG_AX <= (uaddress_limit >> 32))
DST_REG = 0;
else
DST_REG = *(size *)(SRC_REG + offset);
Comparing just the upper 32 bits of the load address with the upper
32 bits of uaddress_limit implies that the values are being aligned down
to a 4GB boundary before comparison.
The above means that all loads with address <= uaddress_limit + 4GB are
skipped. This is acceptable because there is a large hole (much larger
than 4GB) between userspace and kernel space memory, therefore a
correctly functioning BPF program should not access this 4GB memory
above the userspace.
Let's analyze what this patch does to the following fentry program
dereferencing an untrusted pointer:
SEC("fentry/tcp_v4_connect")
int BPF_PROG(fentry_tcp_v4_connect, struct sock *sk)
{
*(volatile long *)sk;
return 0;
}
BPF Program before | BPF Program after
------------------ | -----------------
0: (79) r1 = *(u64 *)(r1 +0) 0: (79) r1 = *(u64 *)(r1 +0)
-----------------------------------------------------------------------
1: (79) r1 = *(u64 *)(r1 +0) --\ 1: (bf) r11 = r1
----------------------------\ \ 2: (77) r11 >>= 32
2: (b7) r0 = 0 \ \ 3: (b5) if r11 <= 0x8000 goto pc+2
3: (95) exit \ \-> 4: (79) r1 = *(u64 *)(r1 +0)
\ 5: (05) goto pc+1
\ 6: (b7) r1 = 0
\--------------------------------------
7: (b7) r0 = 0
8: (95) exit
As you can see from above, in the best case (off=0), 5 extra instructions
are emitted.
Now, we analyze the same program after it has gone through the JITs of
ARM64 and RISC-V architectures. We follow the single load instruction
that has the untrusted pointer and see what instrumentation has been
added around it.
x86-64 JIT
==========
JIT's Instrumentation
(upstream)
---------------------
0: nopl 0x0(%rax,%rax,1)
5: xchg %ax,%ax
7: push %rbp
8: mov %rsp,%rbp
b: mov 0x0(%rdi),%rdi
---------------------------------
f: movabs $0x800000000000,%r11
19: cmp %r11,%rdi
1c: jb 0x000000000000002a
1e: mov %rdi,%r11
21: add $0x0,%r11
28: jae 0x000000000000002e
2a: xor %edi,%edi
2c: jmp 0x0000000000000032
2e: mov 0x0(%rdi),%rdi
---------------------------------
32: xor %eax,%eax
34: leave
35: ret
The x86-64 JIT already emits some instructions to protect against user
memory access. This patch doesn't make any changes for the x86-64 JIT.
ARM64 JIT
=========
No Intrumentation Verifier's Instrumentation
(upstream) (This patch)
----------------- --------------------------
0: add x9, x30, #0x0 0: add x9, x30, #0x0
4: nop 4: nop
8: paciasp 8: paciasp
c: stp x29, x30, [sp, #-16]! c: stp x29, x30, [sp, #-16]!
10: mov x29, sp 10: mov x29, sp
14: stp x19, x20, [sp, #-16]! 14: stp x19, x20, [sp, #-16]!
18: stp x21, x22, [sp, #-16]! 18: stp x21, x22, [sp, #-16]!
1c: stp x25, x26, [sp, #-16]! 1c: stp x25, x26, [sp, #-16]!
20: stp x27, x28, [sp, #-16]! 20: stp x27, x28, [sp, #-16]!
24: mov x25, sp 24: mov x25, sp
28: mov x26, #0x0 28: mov x26, #0x0
2c: sub x27, x25, #0x0 2c: sub x27, x25, #0x0
30: sub sp, sp, #0x0 30: sub sp, sp, #0x0
34: ldr x0, [x0] 34: ldr x0, [x0]
--------------------------------------------------------------------------------
38: ldr x0, [x0] ----------\ 38: add x9, x0, #0x0
-----------------------------------\\ 3c: lsr x9, x9, #32
3c: mov x7, #0x0 \\ 40: cmp x9, #0x10, lsl #12
40: mov sp, sp \\ 44: b.ls 0x0000000000000050
44: ldp x27, x28, [sp], #16 \\--> 48: ldr x0, [x0]
48: ldp x25, x26, [sp], #16 \ 4c: b 0x0000000000000054
4c: ldp x21, x22, [sp], #16 \ 50: mov x0, #0x0
50: ldp x19, x20, [sp], #16 \---------------------------------------
54: ldp x29, x30, [sp], #16 54: mov x7, #0x0
58: add x0, x7, #0x0 58: mov sp, sp
5c: autiasp 5c: ldp x27, x28, [sp], #16
60: ret 60: ldp x25, x26, [sp], #16
64: nop 64: ldp x21, x22, [sp], #16
68: ldr x10, 0x0000000000000070 68: ldp x19, x20, [sp], #16
6c: br x10 6c: ldp x29, x30, [sp], #16
70: add x0, x7, #0x0
74: autiasp
78: ret
7c: nop
80: ldr x10, 0x0000000000000088
84: br x10
There are 6 extra instructions added in ARM64 in the best case. This will
become 7 in the worst case (off != 0).
RISC-V JIT (RISCV_ISA_C Disabled)
==========
No Intrumentation Verifier's Instrumentation
(upstream) (This patch)
----------------- --------------------------
0: nop 0: nop
4: nop 4: nop
8: li a6, 33 8: li a6, 33
c: addi sp, sp, -16 c: addi sp, sp, -16
10: sd s0, 8(sp) 10: sd s0, 8(sp)
14: addi s0, sp, 16 14: addi s0, sp, 16
18: ld a0, 0(a0) 18: ld a0, 0(a0)
---------------------------------------------------------------
1c: ld a0, 0(a0) --\ 1c: mv t0, a0
--------------------------\ \ 20: srli t0, t0, 32
20: li a5, 0 \ \ 24: lui t1, 4096
24: ld s0, 8(sp) \ \ 28: sext.w t1, t1
28: addi sp, sp, 16 \ \ 2c: bgeu t1, t0, 12
2c: sext.w a0, a5 \ \--> 30: ld a0, 0(a0)
30: ret \ 34: j 8
\ 38: li a0, 0
\------------------------------
3c: li a5, 0
40: ld s0, 8(sp)
44: addi sp, sp, 16
48: sext.w a0, a5
4c: ret
There are 7 extra instructions added in RISC-V.
Fixes:
|
||
Arnd Bergmann
|
14672a9b3e |
Qualcomm driver fix for v6.9
This reworks the memory layout of the argument buffers passed to trusted applications in QSEECOM, to avoid failures and system crashes. -----BEGIN PGP SIGNATURE----- iQJJBAABCAAzFiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmYj70UVHGFuZGVyc3Nv bkBrZXJuZWwub3JnAAoJEAsfOT8Nma3FWZ4P/iIoFAByAvTcbJsycasT/YampnJs jVhhCdBGLinvjBK73r70w3vUFiOw5XhT5EcEgdvgTvXK/+6H5qy6pySSOTDYtADK QJdutijCx67aXU9AoLD2p4MrlJgLC3il+57+XgCP2iy+PH4mowpySacsnjIT6/QG 187xG0fm9YIKxbG/WX+9Qy+vnKPg68f5rKPp2/cBv2lQLac302nvLdcNF6XeomEN d8U1RxDOnrNUZtSJIYjT8sr6bSMCl03zZkyEirj1SarXvU9foQC1+Z6OVZivx6fA befkc+k1mmoprTbZLGGo+HGgV8zKMcUG9o3XD3KN9n4JEFFFC+As0wSmb3Yr3bCo MUVSmXp8GtaPYZEs9fmPvBAfARe4D7BvEkKbWUWIfv4A9iaTLruLwh5gQk6gaXci ZVtTsr3x3B8DA4Geae/omljvQG4Kwmtu+QYMoqefT2ERAbUo7vaLPjp8fSmxJH9J L/bTVvNyb89XRV1Sgh8nzhf2989gaxAVmXXQLr/9IpHlFaFkXqdYOG0roxZuqjY3 3FsGkPmiIrH9ixH80nD7e3fM5lGpNsaXsdTLvSpSEPKdnyB3GHxUVL24sG64mu/z qlysUzciqE/bEXdIai/QExqTeEaJzl4xY7o/m8F5nbPHUTJOue3rXaPq2y5gTaZJ u77CJB9V1Kkzb8F9 =a4z1 -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmYr0WMACgkQYKtH/8kJ UidETw//a9OxcLjkj0W7ttpdHiLzC5dslhCq7TF4KbjuhplhdtnysJi3274oAWrE eu6DnA4lIVlA6NuPtpZy5u+ltg6VQT5OogPK+s3LpQ0AXXjX+ij1lKXeez2tayAz RdxmljDJheWEyPvJ3IMdnelpK+MXAcDbHDIoFDl9AHcJlrwYBrw9zT9IBVeg8tRc 3DXi9g6NThGX28/kPWolOt/HFwfNxIOCYBNFNKuimPzoyhyfzPQmS1XHjYkRQb00 eli5tLZg6SLKbjAWBLH1GF+nIbX4P9JO6vBayfemlQIkHHI81vy3gkZyC2MYIrxv O/f6xcrkuE9XKLwrYATOyDWTU/p9xKOPgdVwc0at5AzjVZStY8O+O1ocKPhE8h+9 PAf9pyUjz5Y3ih5jX+q9K8VdKxealZe9yaPim0U/S38TPTAnzBUrfPGuZnoicGhO ixhCwnVfdO7pKcqrqbWZ3uzZcEG3//+hOSNrUbkQfk2ylIWkiFO40ws9dXRmoydP KMZmZdIWaoQDvSOzdppVe1q+NwcIhnJriJckkveGXvHaa0ZJM8r2S7Ziwx45WjEv 4srgekqi/SvyLxzFoWcd71MoOE8AI7psZF5XUPZnDpFL1lLi4rULfozcKJr6GTqC 5nd9GkkpnLZkqv458K2QvWKCMRgj74JqRX57AXFFIbKVpHhkTAM= =IZFk -----END PGP SIGNATURE----- Merge tag 'qcom-drivers-fixes-for-6.9' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into for-next Qualcomm driver fix for v6.9 This reworks the memory layout of the argument buffers passed to trusted applications in QSEECOM, to avoid failures and system crashes. * tag 'qcom-drivers-fixes-for-6.9' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: firmware: qcom: uefisecapp: Fix memory related IO errors and crashes Link: https://lore.kernel.org/r/20240420163816.1133528-1-andersson@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
||
|
Linus Torvalds
|
52afb15e9d |
Including fixes from netfilter, wireless and bluetooth.
Nothing major, regression fixes are mostly in drivers, two more
of those are flowing towards us thru various trees. I wish some of
the changes went into -rc5, we'll try to keep an eye on frequency
of PRs from sub-trees.
Also disproportional number of fixes for bugs added in v6.4,
strange coincidence.
Current release - regressions:
- igc: fix LED-related deadlock on driver unbind
- wifi: mac80211: small fixes to recent clean up of the connection
process
- Revert "wifi: iwlwifi: bump FW API to 90 for BZ/SC devices",
kernel doesn't have all the code to deal with that version, yet
- Bluetooth:
- set power_ctrl_enabled on NULL returned by gpiod_get_optional()
- qca: fix invalid device address check, again
- eth: ravb: fix registered interrupt names
Current release - new code bugs:
- wifi: mac80211: check EHT/TTLM action frame length
Previous releases - regressions:
- fix sk_memory_allocated_{add|sub} for architectures where
__this_cpu_{add|sub}* are not IRQ-safe
- dsa: mv88e6xx: fix link setup for 88E6250
Previous releases - always broken:
- ip: validate dev returned from __in_dev_get_rcu(), prevent possible
null-derefs in a few places
- switch number of for_each_rcu() loops using call_rcu() on the iterator
to for_each_safe()
- macsec: fix isolation of broadcast traffic in presence of offload
- vxlan: drop packets from invalid source address
- eth: mlxsw: trap and ACL programming fixes
- eth: bnxt: PCIe error recovery fixes, fix counting dropped packets
- Bluetooth:
- lots of fixes for the command submission rework from v6.4
- qca: fix NULL-deref on non-serdev suspend
Misc:
- tools: ynl: don't ignore errors in NLMSG_DONE messages
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter, wireless and bluetooth.
Nothing major, regression fixes are mostly in drivers, two more of
those are flowing towards us thru various trees. I wish some of the
changes went into -rc5, we'll try to keep an eye on frequency of PRs
from sub-trees.
Also disproportional number of fixes for bugs added in v6.4, strange
coincidence.
Current release - regressions:
- igc: fix LED-related deadlock on driver unbind
- wifi: mac80211: small fixes to recent clean up of the connection
process
- Revert "wifi: iwlwifi: bump FW API to 90 for BZ/SC devices", kernel
doesn't have all the code to deal with that version, yet
- Bluetooth:
- set power_ctrl_enabled on NULL returned by gpiod_get_optional()
- qca: fix invalid device address check, again
- eth: ravb: fix registered interrupt names
Current release - new code bugs:
- wifi: mac80211: check EHT/TTLM action frame length
Previous releases - regressions:
- fix sk_memory_allocated_{add|sub} for architectures where
__this_cpu_{add|sub}* are not IRQ-safe
- dsa: mv88e6xx: fix link setup for 88E6250
Previous releases - always broken:
- ip: validate dev returned from __in_dev_get_rcu(), prevent possible
null-derefs in a few places
- switch number of for_each_rcu() loops using call_rcu() on the
iterator to for_each_safe()
- macsec: fix isolation of broadcast traffic in presence of offload
- vxlan: drop packets from invalid source address
- eth: mlxsw: trap and ACL programming fixes
- eth: bnxt: PCIe error recovery fixes, fix counting dropped packets
- Bluetooth:
- lots of fixes for the command submission rework from v6.4
- qca: fix NULL-deref on non-serdev suspend
Misc:
- tools: ynl: don't ignore errors in NLMSG_DONE messages"
* tag 'net-6.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (88 commits)
af_unix: Suppress false-positive lockdep splat for spin_lock() in __unix_gc().
net: b44: set pause params only when interface is up
tls: fix lockless read of strp->msg_ready in ->poll
dpll: fix dpll_pin_on_pin_register() for multiple parent pins
net: ravb: Fix registered interrupt names
octeontx2-af: fix the double free in rvu_npc_freemem()
net: ethernet: ti: am65-cpts: Fix PTPv1 message type on TX packets
ice: fix LAG and VF lock dependency in ice_reset_vf()
iavf: Fix TC config comparison with existing adapter TC config
i40e: Report MFS in decimal base instead of hex
i40e: Do not use WQ_MEM_RECLAIM flag for workqueue
net: ti: icssg-prueth: Fix signedness bug in prueth_init_rx_chns()
net/mlx5e: Advertise mlx5 ethernet driver updates sk_buff md_dst for MACsec
macsec: Detect if Rx skb is macsec-related for offloading devices that update md_dst
ethernet: Add helper for assigning packet type when dest address does not match device address
macsec: Enable devices to advertise whether they update sk_buff md_dst during offloads
net: phy: dp83869: Fix MII mode failure
netfilter: nf_tables: honor table dormant flag from netdev release event path
eth: bnxt: fix counting packets discarded due to OOM and netpoll
igc: Fix LED-related deadlock on driver unbind
...
|
||
Rahul Rameshbabu
|
6e159fd653 |
ethernet: Add helper for assigning packet type when dest address does not match device address
Enable reuse of logic in eth_type_trans for determining packet type. Suggested-by: Sabrina Dubroca <sd@queasysnail.net> Cc: stable@vger.kernel.org Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com> Reviewed-by: Sabrina Dubroca <sd@queasysnail.net> Link: https://lore.kernel.org/r/20240423181319.115860-3-rrameshbabu@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
Sean Christopherson
|
ce0abef6a1 |
cpu: Ignore "mitigations" kernel parameter if CPU_MITIGATIONS=n
Explicitly disallow enabling mitigations at runtime for kernels that were built with CONFIG_CPU_MITIGATIONS=n, as some architectures may omit code entirely if mitigations are disabled at compile time. E.g. on x86, a large pile of Kconfigs are buried behind CPU_MITIGATIONS, and trying to provide sane behavior for retroactively enabling mitigations is extremely difficult, bordering on impossible. E.g. page table isolation and call depth tracking require build-time support, BHI mitigations will still be off without additional kernel parameters, etc. [ bp: Touchups. ] Signed-off-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Acked-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/20240420000556.2645001-3-seanjc@google.com |
||
Matthew Wilcox (Oracle)
|
d99e3140a4 |
mm: turn folio_test_hugetlb into a PageType
The current folio_test_hugetlb() can be fooled by a concurrent folio split into returning true for a folio which has never belonged to hugetlbfs. This can't happen if the caller holds a refcount on it, but we have a few places (memory-failure, compaction, procfs) which do not and should not take a speculative reference. Since hugetlb pages do not use individual page mapcounts (they are always fully mapped and use the entire_mapcount field to record the number of mappings), the PageType field is available now that page_mapcount() ignores the value in this field. In compaction and with CONFIG_DEBUG_VM enabled, the current implementation can result in an oops, as reported by Luis. This happens since |
||
|
Matthew Wilcox (Oracle)
|
fd1a745ce0 |
mm: support page_mapcount() on page_has_type() pages
Return 0 for pages which can't be mapped. This matches how page_mapped()
works. It is more convenient for users to not have to filter out these
pages.
Link: https://lkml.kernel.org/r/20240321142448.1645400-5-willy@infradead.org
Fixes:
|
||
|
Matthew Wilcox (Oracle)
|
12bbaae763 |
mm: create FOLIO_FLAG_FALSE and FOLIO_TYPE_OPS macros
Following the separation of FOLIO_FLAGS from PAGEFLAGS, separate
FOLIO_FLAG_FALSE from PAGEFLAG_FALSE and FOLIO_TYPE_OPS from
PAGE_TYPE_OPS.
Link: https://lkml.kernel.org/r/20240321142448.1645400-3-willy@infradead.org
Fixes:
|
||
Matti Vaittinen
|
ff33132605 |
regulator: change devm_regulator_get_enable_optional() stub to return Ok
The devm_regulator_get_enable_optional() should be a 'call and forget'
API, meaning, when it is used to enable the regulators, the API does not
provide a handle to do any further control of the regulators. It gives
no real benefit to return an error from the stub if CONFIG_REGULATOR is
not set.
On the contrary, returning an error is causing problems to drivers when
hardware is such it works out just fine with no regulator control.
Returning an error forces drivers to specifically handle the case where
CONFIG_REGULATOR is not set, making the mere existence of the stub
questionalble.
Change the stub implementation for the
devm_regulator_get_enable_optional() to return Ok so drivers do not
separately handle the case where the CONFIG_REGULATOR is not set.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Fixes:
|
||
|
Matti Vaittinen
|
96e20adc43 |
regulator: change stubbed devm_regulator_get_enable to return Ok
The devm_regulator_get_enable() should be a 'call and forget' API,
meaning, when it is used to enable the regulators, the API does not
provide a handle to do any further control of the regulators. It gives
no real benefit to return an error from the stub if CONFIG_REGULATOR is
not set.
On the contrary, returning and error is causing problems to drivers when
hardware is such it works out just fine with no regulator control.
Returning an error forces drivers to specifically handle the case where
CONFIG_REGULATOR is not set, making the mere existence of the stub
questionalble. Furthermore, the stub of the regulator_enable() seems to
be returning Ok.
Change the stub implementation for the devm_regulator_get_enable() to
return Ok so drivers do not separately handle the case where the
CONFIG_REGULATOR is not set.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reported-by: Aleksander Mazur <deweloper@wp.pl>
Suggested-by: Guenter Roeck <linux@roeck-us.net>
Fixes:
|
||
|
Linus Torvalds
|
1c582ec142 |
nfsd-6.9 fixes:
- Fix an NFS/RDMA performance regression in v6.9-rc -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmYmrs4ACgkQM2qzM29m f5c39Q/9HiozR34Dr/5X+7DaVJNhMAhz1li6uu1EbXlNPJHRuacJl7UH+Li3+5mB ozoZhIwcSjmAP9wAMFEFkBUI3ddCYoKT+PcJmrvpAoR9NHxeLz2hGU2nPvt2s4na JiKKV+uM8YLNK9bJxWSe2rrOmcEIuA8jJn7dnURuBBVgFFRHKmNE2WUdJrAGmIzv ph/+6Gjxrw83UyEs6KwV5SSaC7WuGQEph1otNzjQ8DgImvN/4zyQek4yqe7bt8FS 0OnJtoM9ubIryiUfR4ZxrIk9xCGsgh2csEZsSbqFx2ECwoBrCR4RkKue+jHQSVON OV35+b1CxdVdYChjmdYWz63P/fkyMC9iNGces/WRZmoD6x9mn5OErCrsDFJDEbD/ lf+2xS+ky8M6pb7TMzUwiYtYu9yJL8N4yUPZUbWQGwb4c2oKXJ+6SoxD+4aWi2xw 9Is9tGcbr3fNJLw5/j5y30tVE4x80EuuV4xCxHSayqlKiD40OXkztKBFwnbugEqJ mD77L2PVhU7ozfwwIDtvrxqDsITbVB877Bu1CCvlWpUnq8YFWaA8CuQXNuYeQHR6 KgVuYZfvn5oYXC+9b9EBiIkObatzU8VUsdstjx8aulceIG92rZrRsg56TrUq9teV IMBJCneg9iqzQJQVSgQ9wcqv+EUVfnpSehzo5vWdh/Hz1DlyOEA= =l92Y -----END PGP SIGNATURE----- Merge tag 'nfsd-6.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux Pull nfsd fix from Chuck Lever: - Fix an NFS/RDMA performance regression in v6.9-rc * tag 'nfsd-6.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: Revert "svcrdma: Add Write chunk WRs to the RPC's Send WR chain" |
||
|
Linus Torvalds
|
48cf398f15 |
Char/Misc driver fixes for 6.9-rc5
Here are some small char/misc and other driver fixes for 6.9-rc5. Included in here are the following: - binder driver fix for reported problem - speakup crash fix - mei driver fixes for reported problems - comdei driver fix - interconnect driver fixes - rtsx driver fix - peci.h kernel doc fix All of these have been in linux-next for over a week with no reported problems. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCZiT2+g8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ylExgCfdEFb54LOH10I3hstLdzKEYQlIdUAoK8fGerp o29X7GJ3kmKh7d2tIS1m =iXIs -----END PGP SIGNATURE----- Merge tag 'char-misc-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char / misc driver fixes from Greg KH: "Here are some small char/misc and other driver fixes for 6.9-rc5. Included in here are the following: - binder driver fix for reported problem - speakup crash fix - mei driver fixes for reported problems - comdei driver fix - interconnect driver fixes - rtsx driver fix - peci.h kernel doc fix All of these have been in linux-next for over a week with no reported problems" * tag 'char-misc-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: peci: linux/peci.h: fix Excess kernel-doc description warning binder: check offset alignment in binder_get_object() comedi: vmk80xx: fix incomplete endpoint checking mei: vsc: Unregister interrupt handler for system suspend Revert "mei: vsc: Call wake_up() in the threaded IRQ handler" misc: rtsx: Fix rts5264 driver status incorrect when card removed mei: me: disable RPL-S on SPS and IGN firmwares speakup: Avoid crash on very long word interconnect: Don't access req_list while it's being manipulated interconnect: qcom: x1e80100: Remove inexistent ACV_PERF BCM |
||
|
Linus Torvalds
|
977b1ef518 |
block-6.9-20240420
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||
|
Linus Torvalds
|
560d4e7738 |
A couple clk driver fixes, a build fix, and a deadlock fix.
- Mediatek mt7988 has broken PCIe because the wrong parent is used
- Mediatek clk drivers may deadlock when registering their clks because
the clk provider device is repeatedly runtime PM resumed and
suspended during probe and clk registration. Resuming the clk
provider device deadlocks with an ABBA deadlock due to genpd_lock and
the clk prepare_lock. The fix is to keep the device runtime resumed
while registering clks.
- Another runtime PM related deadlock, this time with disabling unused
clks during late init. We get an ABBA deadlock where a device is
runtime PM resuming (or suspending) while the disabling of unused
clks is happening in parallel. That runtime PM action calls into the
clk framework and tries to grab the clk prepare_lock while the
disabling of unused clks holds the prepare_lock and is waiting for
that runtime PM action to complete. The fix is to runtime resume all
the clk provider devices before grabbing the clk prepare_lock during
disable unused.
- A build fix to provide an empty devm_clk_rate_exclusive_get()
function when CONFIG_COMMON_CLK=n
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A couple clk driver fixes, a build fix, and a deadlock fix:
- Mediatek mt7988 has broken PCIe because the wrong parent is used
- Mediatek clk drivers may deadlock when registering their clks
because the clk provider device is repeatedly runtime PM resumed
and suspended during probe and clk registration.
Resuming the clk provider device deadlocks with an ABBA deadlock
due to genpd_lock and the clk prepare_lock. The fix is to keep the
device runtime resumed while registering clks.
- Another runtime PM related deadlock, this time with disabling
unused clks during late init.
We get an ABBA deadlock where a device is runtime PM resuming (or
suspending) while the disabling of unused clks is happening in
parallel. That runtime PM action calls into the clk framework and
tries to grab the clk prepare_lock while the disabling of unused
clks holds the prepare_lock and is waiting for that runtime PM
action to complete.
The fix is to runtime resume all the clk provider devices before
grabbing the clk prepare_lock during disable unused.
- A build fix to provide an empty devm_clk_rate_exclusive_get()
function when CONFIG_COMMON_CLK=n"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: mediatek: mt7988-infracfg: fix clocks for 2nd PCIe port
clk: mediatek: Do a runtime PM get on controllers during probe
clk: Get runtime PM before walking tree for clk_summary
clk: Get runtime PM before walking tree during disable_unused
clk: Initialize struct clk_core kref earlier
clk: Don't hold prepare_lock when calling kref_put()
clk: Remove prepare_lock hold assertion in __clk_release()
clk: Provide !COMMON_CLK dummy for devm_clk_rate_exclusive_get()
|
||
Chuck Lever
|
32cf5a4eda |
Revert "svcrdma: Add Write chunk WRs to the RPC's Send WR chain"
Performance regression reported with NFS/RDMA using Omnipath, bisected to commit |
||
|
Linus Torvalds
|
9c6e84e4ba |
Bootconfig fixes for v6.9-rc4:
- Fix potential static_command_line buffer overrun. Currently we allocate the memory for static_command_line based on "boot_command_line", but it will copy "command_line" into it. So we use the length of "command_line" instead of "boot_command_line" (as previously we did). - Use memblock_free_late() in xbc_exit() instead of memblock_free() after the buddy system is initialized. - Fix a kerneldoc warning. -----BEGIN PGP SIGNATURE----- iQFPBAABCgA5FiEEh7BulGwFlgAOi5DV2/sHvwUrPxsFAmYgN1kbHG1hc2FtaS5o aXJhbWF0c3VAZ21haWwuY29tAAoJENv7B78FKz8b/yEH/1FFgb7UJDtQLbtHl5/b bcxLbSzfb/N37Bc+sE/AKZYrt5QAMjaOmdtzQz9kdLtycxWcQinne4jqGxd6zfTU UIisfDjEZr46/Rs5sJg+5i8wWrud1TJOmlMsqiSVcorl0f/wE4S7PqgYXRNWZ0p+ KipjuCCV43ITmVjsiq2NxfZGDaWzow/EJXwZzpQkJE1zaU13w2nzgzg64JW3f/lf Dx/o9jlYEoLkCjiQJ6XaRuTpHbPP1grozSMbvE3z1WnxCaiFHlzXGi6WUhto+pTu vt/pUrIFYE7k0IFHAVEgBjOkfCm5y9FwOdPLqwy3harQ5ek9D6h6bFnDhbZw7I27 6V8= =e2c5 -----END PGP SIGNATURE----- Merge tag 'bootconfig-fixes-v6.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull bootconfig fixes from Masami Hiramatsu: - Fix potential static_command_line buffer overrun. Currently we allocate the memory for static_command_line based on "boot_command_line", but it will copy "command_line" into it. So we use the length of "command_line" instead of "boot_command_line" (as we previously did) - Use memblock_free_late() in xbc_exit() instead of memblock_free() after the buddy system is initialized - Fix a kerneldoc warning * tag 'bootconfig-fixes-v6.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: bootconfig: Fix the kerneldoc of _xbc_exit() bootconfig: use memblock_free_late to free xbc memory to buddy init/main.c: Fix potential static_command_line memory overflow |
||
|
Linus Torvalds
|
54c23548e0 |
15 hotfixes. 9 are cc:stable and the remainder address post-6.8 issues
or aren't considered suitable for backporting. There are a significant number of fixups for this cycle's page_owner changes (series "page_owner: print stacks and their outstanding allocations"). Apart from that, singleton changes all over, mainly in MM. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZiGTewAKCRDdBJ7gKXxA jt1QAP9QxiU/+gUMVjkHyKaMBHSBMD/CWBFjDfRjx+BPqYx55gD+JWxUXwlyVkMo Z8fqtCGEgatev1VbwpCwByhvnH9bKgw= =YBZ9 -----END PGP SIGNATURE----- Merge tag 'mm-hotfixes-stable-2024-04-18-14-41' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "15 hotfixes. 9 are cc:stable and the remainder address post-6.8 issues or aren't considered suitable for backporting. There are a significant number of fixups for this cycle's page_owner changes (series "page_owner: print stacks and their outstanding allocations"). Apart from that, singleton changes all over, mainly in MM" * tag 'mm-hotfixes-stable-2024-04-18-14-41' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: nilfs2: fix OOB in nilfs_set_de_type MAINTAINERS: update Naoya Horiguchi's email address fork: defer linking file vma until vma is fully initialized mm/shmem: inline shmem_is_huge() for disabled transparent hugepages mm,page_owner: defer enablement of static branch Squashfs: check the inode number is not the invalid value of zero mm,swapops: update check in is_pfn_swap_entry for hwpoison entries mm/memory-failure: fix deadlock when hugetlb_optimize_vmemmap is enabled mm/userfaultfd: allow hugetlb change protection upon poison entry mm,page_owner: fix printing of stack records mm,page_owner: fix accounting of pages when migrating mm,page_owner: fix refcount imbalance mm,page_owner: update metadata for tail pages userfaultfd: change src_folio after ensuring it's unpinned in UFFDIO_MOVE mm/madvise: make MADV_POPULATE_(READ|WRITE) handle VM_FAULT_RETRY properly |
||
|
Linus Torvalds
|
7586c8501d |
A little calmer than usual, probably just the timing of sub-tree PRs.
Including fixes from netfilter.
Current release - regressions:
- inet: bring NLM_DONE out to a separate recv() again, fix user space
which assumes multiple recv()s will happen and gets blocked forever
- drv: mlx5:
- restore mistakenly dropped parts in register devlink flow
- use channel mdev reference instead of global mdev instance
for coalescing
- acquire RTNL lock before RQs/SQs activation/deactivation
Previous releases - regressions:
- net: change maximum number of UDP segments to 128, fix virtio
compatibility with Windows peers
- usb: ax88179_178a: avoid writing the mac address before first reading
Previous releases - always broken:
- sched: fix mirred deadlock on device recursion
- netfilter:
- br_netfilter: skip conntrack input hook for promisc packets
- fixes removal of duplicate elements in the pipapo set backend
- various fixes for abort paths and error handling
- af_unix: don't peek OOB data without MSG_OOB
- drv: flower: fix fragment flags handling in multiple drivers
- drv: ravb: fix jumbo frames and packet stats accounting
Misc:
- kselftest_harness: fix Clang warning about zero-length format
- tun: limit printing rate when illegal packet received by tun dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"A little calmer than usual, probably just the timing of sub-tree PRs.
Including fixes from netfilter.
Current release - regressions:
- inet: bring NLM_DONE out to a separate recv() again, fix user space
which assumes multiple recv()s will happen and gets blocked forever
- drv: mlx5:
- restore mistakenly dropped parts in register devlink flow
- use channel mdev reference instead of global mdev instance for
coalescing
- acquire RTNL lock before RQs/SQs activation/deactivation
Previous releases - regressions:
- net: change maximum number of UDP segments to 128, fix virtio
compatibility with Windows peers
- usb: ax88179_178a: avoid writing the mac address before first
reading
Previous releases - always broken:
- sched: fix mirred deadlock on device recursion
- netfilter:
- br_netfilter: skip conntrack input hook for promisc packets
- fixes removal of duplicate elements in the pipapo set backend
- various fixes for abort paths and error handling
- af_unix: don't peek OOB data without MSG_OOB
- drv: flower: fix fragment flags handling in multiple drivers
- drv: ravb: fix jumbo frames and packet stats accounting
Misc:
- kselftest_harness: fix Clang warning about zero-length format
- tun: limit printing rate when illegal packet received by tun dev"
* tag 'net-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (46 commits)
net: ethernet: ti: am65-cpsw-nuss: cleanup DMA Channels before using them
net: usb: ax88179_178a: avoid writing the mac address before first reading
net: ravb: Fix RX byte accounting for jumbo packets
net: ravb: Fix GbEth jumbo packet RX checksum handling
net: ravb: Allow RX loop to move past DMA mapping errors
net: ravb: Count packets instead of descriptors in R-Car RX path
net: ethernet: mtk_eth_soc: fix WED + wifi reset
net:usb:qmi_wwan: support Rolling modules
selftests: kselftest_harness: fix Clang warning about zero-length format
net/sched: Fix mirred deadlock on device recursion
netfilter: nf_tables: fix memleak in map from abort path
netfilter: nf_tables: restore set elements when delete set fails
netfilter: nf_tables: missing iterator type in lookup walk
s390/ism: Properly fix receive message buffer allocation
net: dsa: mt7530: fix port mirroring for MT7988 SoC switch
net: dsa: mt7530: fix mirroring frames received on local port
tun: limit printing rate when illegal packet received by tun dev
ice: Fix checking for unsupported keys on non-tunnel device
ice: tc: allow zero flags in parsing tc flower
ice: tc: check src_vsi in case of traffic from VF
...
|
||
|
Linus Torvalds
|
360a348fd7 |
gpio fixes for v6.9-rc5
- use -ENOTSUPP consistently in Intel GPIO drivers - don't include dt-bindings headers in gpio-swnode code - add missing of device table to gpio-lpc32xx and fix autoloading -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEFp3rbAvDxGAT0sefEacuoBRx13IFAmYhU+kACgkQEacuoBRx 13JciBAA1g9y9A9fqMSEr9a4Ir7ymeRPDNiVEd4Y4e+e35DlmTsdH3xl/W3Ln2wM PDCog5MnvPw+RFbc8Ie04wP9EvwMKddYxWpVg+5TO5Sgw9slcSjp8D1BBN0h8M0X xVjG+t/Kp3I8Rmlkc7JQDQY0uWbi9N3e7qBEY74ftBdMOe6lzWDAwL5xriN1DcDM x+Pz0ruysH/jexZ3XpbzphxfPORa3ZGsLl9x3ALUgmIpSNuQjGBJScFMqzm2mK81 3j4BfyCn65TKcBBumhwtjKAHEIIDZGi7iaRjr5TKXHGf1+y1Gc2TOWfrQjo/nYWY 9zPqlZaW4sLUjx7R7gLz7LtiDGLCOvCHfmiqmcVOhYbSgthMWh0QsMraaH4TmLwA r4a/Cr/KXH7eCf+mJ01Bxn1bMoc4rR90FZrvOVMzIS9jijJzd/wrB83CnUuFCTu8 mlZb+2KsGL5SdlS8mNtW5FXb3jKREpiCOOwmdCmcZdfz+gA1Gg86j2p55CqNM0mB 1YGwohNhLVs+dwlouBlEEHuBLuwVuKH7NFDSD8s3Vz4G9BygBRscHH7uhQnxOtX1 +BT1fRNS1HZHgsOxmMK4C95aCRFoJEza1c39Mf66TIAdqzt9wEkEQDTgcN6b8SvX L3k1fdmkAruFZCT/XECzTT/p5T5hj1syStL209MhA6X+Yvr5/zA= =ka+M -----END PGP SIGNATURE----- Merge tag 'gpio-fixes-for-v6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio fixes from Bartosz Golaszewski: - use -ENOTSUPP consistently in Intel GPIO drivers - don't include dt-bindings headers in gpio-swnode code - add missing of device table to gpio-lpc32xx and fix autoloading * tag 'gpio-fixes-for-v6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: gpiolib: swnode: Remove wrong header inclusion gpio: lpc32xx: fix module autoloading gpio: crystalcove: Use -ENOTSUPP consistently gpio: wcove: Use -ENOTSUPP consistently |
||
Christoph Hellwig
|
752863bdda |
block: propagate partition scanning errors to the BLKRRPART ioctl
Commit |
||
Andy Shevchenko
|
69ffed4b62 |
gpiolib: swnode: Remove wrong header inclusion
The flags in the software node properties are supposed to be
the GPIO lookup flags, which are provided by gpio/machine.h,
as the software nodes are the kernel internal thing and doesn't
need to rely to any of ABIs.
Fixes:
|
||
Sumanth Korikkar
|
1f737846aa |
mm/shmem: inline shmem_is_huge() for disabled transparent hugepages
In order to minimize code size (CONFIG_CC_OPTIMIZE_FOR_SIZE=y),
compiler might choose to make a regular function call (out-of-line) for
shmem_is_huge() instead of inlining it. When transparent hugepages are
disabled (CONFIG_TRANSPARENT_HUGEPAGE=n), it can cause compilation
error.
mm/shmem.c: In function `shmem_getattr':
./include/linux/huge_mm.h:383:27: note: in expansion of macro `BUILD_BUG'
383 | #define HPAGE_PMD_SIZE ({ BUILD_BUG(); 0; })
| ^~~~~~~~~
mm/shmem.c:1148:33: note: in expansion of macro `HPAGE_PMD_SIZE'
1148 | stat->blksize = HPAGE_PMD_SIZE;
To prevent the possible error, always inline shmem_is_huge() when
transparent hugepages are disabled.
Link: https://lkml.kernel.org/r/20240409155407.2322714-1-sumanthk@linux.ibm.com
Signed-off-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Ilya Leoshkevich <iii@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
||
Oscar Salvador
|
07a57a338a |
mm,swapops: update check in is_pfn_swap_entry for hwpoison entries
Tony reported that the Machine check recovery was broken in v6.9-rc1, as he was hitting a VM_BUG_ON when injecting uncorrectable memory errors to DRAM. After some more digging and debugging on his side, he realized that this went back to v6.1, with the introduction of 'commit |
||
|
Linus Torvalds
|
c748fc3b1f |
Misc timer fixes:
- Address a (valid) W=1 build warning
- Fix timer self-tests
- Annotate a KCSAN warning wrt. accesses to the
tick_do_timer_cpu global variable.
- Address a !CONFIG_BUG build warning
Heads up for the !CONFIG_BUG warning patch, which we
addressed with:
|
||
|
Linus Torvalds
|
fa37b3be18 |
Fix a PREEMPT_RT build bug.
Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmYbjHERHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1gcpA//am9G8j1scrpDIdlcvqavtw2vN70mlqDo Pu3Dbu3T/SjI1RHLrGoT7nzt9JofCrEEfeE3GbqNgwUiOA3TNMwSPKRJXY1t9Sn3 Cux/UkDt5LNMyICToJdB3rWEHuHN8d4Iej0PtBAqJfgOaNKoLTyV9wx7eQEM2lQJ w0UVZjz01k31i0RHcjxghqcWaAEHUzdfrGhrC8UUp9M1PUK6ZlTZjBGIpSnMQCEN CLDK0Vyo/vk3DkRWATzclKfuMjfRnZa6Xmc1jbZwU1riwC4I2NtzvpxrrA1d3JPz 2x8Vn2z9pr3Z16OMvvL97QB+xffaysP7RfFnK2AHLxo23HIGzdHgYmB34X7ZyU6M 4x48lWtfhXzSZjEJ/FunnsBNGbyeNeBoYFKtfSrc2aMtMBeeZx3gHuwZIESz34xg b8Tjj5Lju6slaULd0aWR1vkFvYrZVr6uqjtpat2Y+m6bG/+Ld+vittF/6fdrN9lx s51rb5TKVmsykCiH+Zrrwdh5WGftxDXZTuAwkPOzbLTNFT5Y898uClvXTcGNfGCg dfMKUt8HmfKbP+0A1IvKKJbpO6TfwIR1WaB87fp9Bc6vtOBL/dk8Tc722i76u/1k xbxNC2B3dL9kEz9VbKBGNVEIB+XvKrtPDEAQp8wZF3AEL/EoAA/49gsdHYOVCnWH 1CvGhfap4DM= =YUeL -----END PGP SIGNATURE----- Merge tag 'locking-urgent-2024-04-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fix from Ingo Molnar: "Fix a PREEMPT_RT build bug" * tag 'locking-urgent-2024-04-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking: Make rwsem_assert_held_write_nolockdep() build with PREEMPT_RT=y |
||
|
Linus Torvalds
|
399f4dae68 |
virtio: bugfixes
Some small, obvious (in hindsight) bugfixes:
- new ioctl in vhost-vdpa has a wrong # - not too late to fix
- vhost has apparently been lacking an smp_rmb() -
due to code duplication :( The duplication will be fixed in
the next merge cycle, this is a minimal fix.
- an error message in vhost talks about guest moving used index -
which of course never happens, guest only ever moves the
available index.
- i2c-virtio didn't set the driver owner so it did not get
refcounted correctly.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio bugfixes from Michael Tsirkin:
"Some small, obvious (in hindsight) bugfixes:
- new ioctl in vhost-vdpa has a wrong # - not too late to fix
- vhost has apparently been lacking an smp_rmb() - due to code
duplication :( The duplication will be fixed in the next merge
cycle, this is a minimal fix
- an error message in vhost talks about guest moving used index -
which of course never happens, guest only ever moves the available
index
- i2c-virtio didn't set the driver owner so it did not get refcounted
correctly"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vhost: correct misleading printing information
vhost-vdpa: change ioctl # for VDPA_GET_VRING_SIZE
virtio: store owner from modules with register_virtio_driver()
vhost: Add smp_rmb() in vhost_enable_notify()
vhost: Add smp_rmb() in vhost_vq_avail_empty()
|
||
Yuri Benditovich
|
1382e3b6a3 |
net: change maximum number of UDP segments to 128
The commit |
||
Qiang Zhang
|
89f9a1e876 |
bootconfig: use memblock_free_late to free xbc memory to buddy
On the time to free xbc memory in xbc_exit(), memblock may has handed
over memory to buddy allocator. So it doesn't make sense to free memory
back to memblock. memblock_free() called by xbc_exit() even causes UAF bugs
on architectures with CONFIG_ARCH_KEEP_MEMBLOCK disabled like x86.
Following KASAN logs shows this case.
This patch fixes the xbc memory free problem by calling memblock_free()
in early xbc init error rewind path and calling memblock_free_late() in
xbc exit path to free memory to buddy allocator.
[ 9.410890] ==================================================================
[ 9.418962] BUG: KASAN: use-after-free in memblock_isolate_range+0x12d/0x260
[ 9.426850] Read of size 8 at addr ffff88845dd30000 by task swapper/0/1
[ 9.435901] CPU: 9 PID: 1 Comm: swapper/0 Tainted: G U 6.9.0-rc3-00208-g586b5dfb51b9 #5
[ 9.446403] Hardware name: Intel Corporation RPLP LP5 (CPU:RaptorLake)/RPLP LP5 (ID:13), BIOS IRPPN02.01.01.00.00.19.015.D-00000000 Dec 28 2023
[ 9.460789] Call Trace:
[ 9.463518] <TASK>
[ 9.465859] dump_stack_lvl+0x53/0x70
[ 9.469949] print_report+0xce/0x610
[ 9.473944] ? __virt_addr_valid+0xf5/0x1b0
[ 9.478619] ? memblock_isolate_range+0x12d/0x260
[ 9.483877] kasan_report+0xc6/0x100
[ 9.487870] ? memblock_isolate_range+0x12d/0x260
[ 9.493125] memblock_isolate_range+0x12d/0x260
[ 9.498187] memblock_phys_free+0xb4/0x160
[ 9.502762] ? __pfx_memblock_phys_free+0x10/0x10
[ 9.508021] ? mutex_unlock+0x7e/0xd0
[ 9.512111] ? __pfx_mutex_unlock+0x10/0x10
[ 9.516786] ? kernel_init_freeable+0x2d4/0x430
[ 9.521850] ? __pfx_kernel_init+0x10/0x10
[ 9.526426] xbc_exit+0x17/0x70
[ 9.529935] kernel_init+0x38/0x1e0
[ 9.533829] ? _raw_spin_unlock_irq+0xd/0x30
[ 9.538601] ret_from_fork+0x2c/0x50
[ 9.542596] ? __pfx_kernel_init+0x10/0x10
[ 9.547170] ret_from_fork_asm+0x1a/0x30
[ 9.551552] </TASK>
[ 9.555649] The buggy address belongs to the physical page:
[ 9.561875] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x45dd30
[ 9.570821] flags: 0x200000000000000(node=0|zone=2)
[ 9.576271] page_type: 0xffffffff()
[ 9.580167] raw: 0200000000000000 ffffea0011774c48 ffffea0012ba1848 0000000000000000
[ 9.588823] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
[ 9.597476] page dumped because: kasan: bad access detected
[ 9.605362] Memory state around the buggy address:
[ 9.610714] ffff88845dd2ff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 9.618786] ffff88845dd2ff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 9.626857] >ffff88845dd30000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 9.634930] ^
[ 9.638534] ffff88845dd30080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 9.646605] ffff88845dd30100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 9.654675] ==================================================================
Link: https://lore.kernel.org/all/20240414114944.1012359-1-qiang4.zhang@linux.intel.com/
Fixes:
|
||
|
Linus Torvalds
|
c7adbe2eb7 |
io_uring-6.9-20240412
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||
|
Linus Torvalds
|
d1c13e8004 |
drm fixes for 6.9-rc4
client: - Protect connector modes with mode_config mutex ast: - Fix soft lockup host1x: - Do not setup DMA for virtual addresses ivpu: - Fix deadlock in context_xa - PCI fixes - Fixes to error handling nouveau: - gsp: Fix OOB access - Fix casting panfrost: - Fix error path in MMU code qxl: - Revert "drm/qxl: simplify qxl_fence_wait" vmwgfx: - Enable DMA for SEV mappings i915: - Couple CDCLK programming fixes - HDCP related fix - 4 Bigjoiner related fixes - Fix for a circular locking around GuC on reset+wedged case xe: - Fix double display mutex initializations - Fix u32 -> u64 implicit conversions - Fix RING_CONTEXT_CONTROL not marked as masked msm: - DP refcount leak fix on disconnect - Add missing newlines to prints in msm_fb and msm_kms - fix dpu debugfs entry permissions - Fix the interface table for the catalog of X1E80100 - fix irq message printing - Bindings fix to add DP node as child of mdss for mdss node - Minor typo fix in DP driver API which handles port status change - fix CHRASHDUMP_READ() - fix HHB (highest bank bit) for a619 to fix UBWC corruption amdgpu: - GPU reset fixes - Fix some confusing logging - UMSCH fix - Aborted suspend fix - DCN 3.5 fixes - S4 fix - MES logging fixes - SMU 14 fixes - SDMA 4.4.2 fix - KASAN fix - SMU 13.0.10 fix - VCN partition fix - GFX11 fixes - DWB fixes - Plane handling fix - FAMS fix - DCN 3.1.6 fix - VSC SDP fixes - OLED panel fix - GFX 11.5 fix amdkfd: - GPU reset fixes - fix ioctl integer overflow -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmYYjYoACgkQDHTzWXnE hr5+AhAAqM5ZXNEC5Y5zbxqLmMyr08sn4lm/fE0CNZYPoRXerBJIOTXvc8V9YL9W 5Nxux+5qLzLrIOKdY5PIGEyq0TlA53ZyR0GSF3NfFDxI2OiBRbuRpS6obuimPRY6 bHdfb89S3TRj3XtP7eJs3fuejygAzLDg+4AXIEF9htlXVARrEBVA2Cw1Km0goWoa uXhfLlt9tycIdtuedpPDnetZGlffZa1eCFqFlDJg671moEdQDfdSSsgVtkaDkAy1 Cy1jdu4+9WHTNAS6kGHy8iB7Ebq+n6UKiBr3o9GoWTIgqVz33FeMU1zrJ2IdwNNK nuPBeyk7Z125VEntyj+29GdLRcKv+K75zbdoKrifYp5/937DBjpiJ5bcqOnZdDVG hc6IPeMWcvLJ10W+ZrtUqs7BA2cS2dO06uBKEHqNL5Th/TmOSpyKeS/JOtU9Tpkq b2OkGy/H+20wXFBFmanLlPuS0lrvuUkLi7bIvtqZq2e5vOHbm4xKLrCDPWFtp1sR ohkDtqmkGocQz5l0Ublqdcnrtttg3+Rr5Jh+cCkq5f9gEqsbQWEoPzG9dyZOOBq2 xEtWf5enH+3J711/9FB8+aWD+j7T04a7ZEODeDDAQBwgW6gMYeGHQPKvTWC0xkYX 8LBYvxfV1TSK+4l3geF9m+MQuZnuX1sZ5QSh7b/nfBvxMaFVJ84= =tDFk -----END PGP SIGNATURE----- Merge tag 'drm-fixes-2024-04-12' of https://gitlab.freedesktop.org/drm/kernel Pull drm fixes from Dave Airlie: "Looks like everyone woke up after holidays, this weeks pull has a bunch of stuff all over, 2 weeks worth of amdgpu is a lot of it, then i915/xe have a few, a bunch of msm fixes, then some scattered driver fixes. I expect things will settle down for rc5. client: - Protect connector modes with mode_config mutex ast: - Fix soft lockup host1x: - Do not setup DMA for virtual addresses ivpu: - Fix deadlock in context_xa - PCI fixes - Fixes to error handling nouveau: - gsp: Fix OOB access - Fix casting panfrost: - Fix error path in MMU code qxl: - Revert "drm/qxl: simplify qxl_fence_wait" vmwgfx: - Enable DMA for SEV mappings i915: - Couple CDCLK programming fixes - HDCP related fix - 4 Bigjoiner related fixes - Fix for a circular locking around GuC on reset+wedged case xe: - Fix double display mutex initializations - Fix u32 -> u64 implicit conversions - Fix RING_CONTEXT_CONTROL not marked as masked msm: - DP refcount leak fix on disconnect - Add missing newlines to prints in msm_fb and msm_kms - fix dpu debugfs entry permissions - Fix the interface table for the catalog of X1E80100 - fix irq message printing - Bindings fix to add DP node as child of mdss for mdss node - Minor typo fix in DP driver API which handles port status change - fix CHRASHDUMP_READ() - fix HHB (highest bank bit) for a619 to fix UBWC corruption amdgpu: - GPU reset fixes - Fix some confusing logging - UMSCH fix - Aborted suspend fix - DCN 3.5 fixes - S4 fix - MES logging fixes - SMU 14 fixes - SDMA 4.4.2 fix - KASAN fix - SMU 13.0.10 fix - VCN partition fix - GFX11 fixes - DWB fixes - Plane handling fix - FAMS fix - DCN 3.1.6 fix - VSC SDP fixes - OLED panel fix - GFX 11.5 fix amdkfd: - GPU reset fixes - fix ioctl integer overflow" * tag 'drm-fixes-2024-04-12' of https://gitlab.freedesktop.org/drm/kernel: (65 commits) amdkfd: use calloc instead of kzalloc to avoid integer overflow drm/xe: Label RING_CONTEXT_CONTROL as masked drm/xe/xe_migrate: Cast to output precision before multiplying operands drm/xe/hwmon: Cast result to output precision on left shift of operand drm/xe/display: Fix double mutex initialization drm/amdgpu: differentiate external rev id for gfx 11.5.0 drm/amd/display: Adjust dprefclk by down spread percentage. drm/amd/display: Set VSC SDP Colorimetry same way for MST and SST drm/amd/display: Program VSC SDP colorimetry for all DP sinks >= 1.4 drm/amd/display: fix disable otg wa logic in DCN316 drm/amd/display: Do not recursively call manual trigger programming drm/amd/display: always reset ODM mode in context when adding first plane drm/amdgpu: fix incorrect number of active RBs for gfx11 drm/amd/display: Return max resolution supported by DWB amd/amdkfd: sync all devices to wait all processes being evicted drm/amdgpu: clear set_q_mode_offs when VM changed drm/amdgpu: Fix VCN allocation in CPX partition drm/amd/pm: fix the high voltage issue after unload drm/amd/display: Skip on writeback when it's not applicable drm/amdgpu: implement IRQ_STATE_ENABLE for SDMA v4.4.2 ... |
||
|
Linus Torvalds
|
52e5070f60 |
hyperv-fixes for v6.9-rc4
-----BEGIN PGP SIGNATURE----- iQFHBAABCgAxFiEEIbPD0id6easf0xsudhRwX5BBoF4FAmYYYPkTHHdlaS5saXVA a2VybmVsLm9yZwAKCRB2FHBfkEGgXnxhB/4/8c7lFT53VbujFmVA5sNvpP5Ji5Xg ERhVID7tzDyaVRPr+tpPJIW0Oj/t34SH9seoTYCBCM/UABWe/Gxceg2JaoOzIx+l LHi73T4BBaqExiXbCCFj8N7gLO5P4Xz6ZZRgwHws1KmMXsiWYmYsbv36eSv9x6qK +z/n6p9/ubKFNj2/vsvfiGmY0XHayD3NM4Y4toMbYE/tuRT8uZ7D5sqWdRf+UhW/ goRDA5qppeSfuaQu2LNVoz1e6wRmeJFv8OHgaPvQqAjTRLzPwwss28HICmKc8gh3 HDDUUJCHSs1XItSGDFip6rIFso5X/ZHO0d6pV75hOKCisd7lV0qH6NIZ =k62H -----END PGP SIGNATURE----- Merge tag 'hyperv-fixes-signed-20240411' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux Pull hyperv fixes from Wei Liu: - Some cosmetic changes (Erni Sri Satya Vennela, Li Zhijian) - Introduce hv_numa_node_to_pxm_info() (Nuno Das Neves) - Fix KVP daemon to handle IPv4 and IPv6 combination for keyfile format (Shradha Gupta) - Avoid freeing decrypted memory in a confidential VM (Rick Edgecombe and Michael Kelley) * tag 'hyperv-fixes-signed-20240411' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: Drivers: hv: vmbus: Don't free ring buffers that couldn't be re-encrypted uio_hv_generic: Don't free decrypted memory hv_netvsc: Don't free decrypted memory Drivers: hv: vmbus: Track decrypted status in vmbus_gpadl Drivers: hv: vmbus: Leak pages if set_memory_encrypted() fails hv/hv_kvp_daemon: Handle IPv4 and Ipv6 combination for keyfile format hv: vmbus: Convert sprintf() family to sysfs_emit() family mshyperv: Introduce hv_numa_node_to_pxm_info() x86/hyperv: Cosmetic changes for hv_apic.c |
||
Dave Airlie
|
1b24b3cd1a |
Short summary of fixes pull:
ast: - Fix soft lockup client: - Protect connector modes with mode_config mutex host1x: - Do not setup DMA for virtual addresses ivpu: - Fix deadlock in context_xa - PCI fixes - Fixes to error handling nouveau: - gsp: Fix OOB access - Fix casting panfrost: - Fix error path in MMU code qxl: - Revert "drm/qxl: simplify qxl_fence_wait" vmwgfx: - Enable DMA for SEV mappings -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEchf7rIzpz2NEoWjlaA3BHVMLeiMFAmYXkjkACgkQaA3BHVML eiOIYQf9EnAUsjDy2lc+A8EnnASsJOz1xvmw6ZPAM6+ciT78YvjE7a44BoXTJHiC fk7yi7t7EUz40VCV7D4Mtaj6wAFXzNWEtqSxfp2RA3AlchabENw3/MDzuAmezUqW 8Wf7UsEQXigjazBfQS4oupcfuIy0fZVHnTTL0f+557lBtFW2Xmxh72cNhxWin0IB oeHWFiZGZmBt8v0NjhZBVd5gR2wa9u+rwj2S9sPPk8Ep42pePBHGU0KJeOKANSRd grIenFiAb7u8UNxt1oRKHZbe5oJwSPufpHgdmvqK4M0Xg49GGEJsrPp+M0FH3oMH HAlZDzPjIMYWenDMN1v4OqkpgKOXsw== =VH7e -----END PGP SIGNATURE----- Merge tag 'drm-misc-fixes-2024-04-11' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes Short summary of fixes pull: ast: - Fix soft lockup client: - Protect connector modes with mode_config mutex host1x: - Do not setup DMA for virtual addresses ivpu: - Fix deadlock in context_xa - PCI fixes - Fixes to error handling nouveau: - gsp: Fix OOB access - Fix casting panfrost: - Fix error path in MMU code qxl: - Revert "drm/qxl: simplify qxl_fence_wait" vmwgfx: - Enable DMA for SEV mappings Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20240411073403.GA9895@localhost.localdomain |
||
|
Linus Torvalds
|
2ae9a8972c |
Including fixes from bluetooth.
Current release - new code bugs:
- netfilter: complete validation of user input
- mlx5: disallow SRIOV switchdev mode when in multi-PF netdev
Previous releases - regressions:
- core: fix u64_stats_init() for lockdep when used repeatedly in one file
- ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr
- bluetooth: fix memory leak in hci_req_sync_complete()
- batman-adv: avoid infinite loop trying to resize local TT
- drv: geneve: fix header validation in geneve[6]_xmit_skb
- drv: bnxt_en: fix possible memory leak in bnxt_rdma_aux_device_init()
- drv: mlx5: offset comp irq index in name by one
- drv: ena: avoid double-free clearing stale tx_info->xdpf value
- drv: pds_core: fix pdsc_check_pci_health deadlock
Previous releases - always broken:
- xsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING
- bluetooth: fix setsockopt not validating user input
- af_unix: clear stale u->oob_skb.
- nfc: llcp: fix nfc_llcp_setsockopt() unsafe copies
- drv: virtio_net: fix guest hangup on invalid RSS update
- drv: mlx5e: Fix mlx5e_priv_init() cleanup flow
- dsa: mt7530: trap link-local frames regardless of ST Port State
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from bluetooth.
Current release - new code bugs:
- netfilter: complete validation of user input
- mlx5: disallow SRIOV switchdev mode when in multi-PF netdev
Previous releases - regressions:
- core: fix u64_stats_init() for lockdep when used repeatedly in one
file
- ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr
- bluetooth: fix memory leak in hci_req_sync_complete()
- batman-adv: avoid infinite loop trying to resize local TT
- drv: geneve: fix header validation in geneve[6]_xmit_skb
- drv: bnxt_en: fix possible memory leak in
bnxt_rdma_aux_device_init()
- drv: mlx5: offset comp irq index in name by one
- drv: ena: avoid double-free clearing stale tx_info->xdpf value
- drv: pds_core: fix pdsc_check_pci_health deadlock
Previous releases - always broken:
- xsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING
- bluetooth: fix setsockopt not validating user input
- af_unix: clear stale u->oob_skb.
- nfc: llcp: fix nfc_llcp_setsockopt() unsafe copies
- drv: virtio_net: fix guest hangup on invalid RSS update
- drv: mlx5e: Fix mlx5e_priv_init() cleanup flow
- dsa: mt7530: trap link-local frames regardless of ST Port State"
* tag 'net-6.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (59 commits)
net: ena: Set tx_info->xdpf value to NULL
net: ena: Fix incorrect descriptor free behavior
net: ena: Wrong missing IO completions check order
net: ena: Fix potential sign extension issue
af_unix: Fix garbage collector racing against connect()
net: dsa: mt7530: trap link-local frames regardless of ST Port State
Revert "s390/ism: fix receive message buffer allocation"
net: sparx5: fix wrong config being used when reconfiguring PCS
net/mlx5: fix possible stack overflows
net/mlx5: Disallow SRIOV switchdev mode when in multi-PF netdev
net/mlx5e: RSS, Block XOR hash with over 128 channels
net/mlx5e: Do not produce metadata freelist entries in Tx port ts WQE xmit
net/mlx5e: HTB, Fix inconsistencies with QoS SQs number
net/mlx5e: Fix mlx5e_priv_init() cleanup flow
net/mlx5e: RSS, Block changing channels number when RXFH is configured
net/mlx5: Correctly compare pkt reformat ids
net/mlx5: Properly link new fs rules into the tree
net/mlx5: offset comp irq index in name by one
net/mlx5: Register devlink first under devlink lock
net/mlx5: E-switch, store eswitch pointer before registering devlink_param
...
|
||
|
Linus Torvalds
|
5de6b46799 |
LoongArch fixes for v6.9-rc4
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Merge tag 'loongarch-fixes-6.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch fixes from Huacai Chen:
- make {virt, phys, page, pfn} translation work with KFENCE for
LoongArch (otherwise NVMe and virtio-blk cannot work with KFENCE
enabled)
- update dts files for Loongson-2K series to make devices work
correctly
- fix a build error
* tag 'loongarch-fixes-6.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
LoongArch: Include linux/sizes.h in addrspace.h to prevent build errors
LoongArch: Update dts for Loongson-2K2000 to support GMAC/GNET
LoongArch: Update dts for Loongson-2K2000 to support PCI-MSI
LoongArch: Update dts for Loongson-2K2000 to support ISA/LPC
LoongArch: Update dts for Loongson-2K1000 to support ISA/LPC
LoongArch: Make virt_addr_valid()/__virt_addr_valid() work with KFENCE
LoongArch: Make {virt, phys, page, pfn} translation work with KFENCE
mm: Move lowmem_page_address() a little later
|
||
Randy Dunlap
|
ebaed6d4de |
peci: linux/peci.h: fix Excess kernel-doc description warning
Remove the @controller: line to prevent the kernel-doc warning:
include/linux/peci.h:84: warning: Excess struct member 'controller' description in 'peci_device'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Iwona Winiarska <iwona.winiarska@intel.com>
Cc: openbmc@lists.ozlabs.org
Reviewed-by: Iwona Winiarska <iwona.winiarska@intel.com>
Fixes:
|
||
|
Linus Torvalds
|
03a55b6391 |
Bootconfig fixes for v6.9-rc3:
- fs/proc: Fix to not show original kernel cmdline more than twice on /proc/bootconfig. - fs/proc: Fix to show the original cmdline only if the bootconfig modifies it. -----BEGIN PGP SIGNATURE----- iQFPBAABCgA5FiEEh7BulGwFlgAOi5DV2/sHvwUrPxsFAmYWrVMbHG1hc2FtaS5o aXJhbWF0c3VAZ21haWwuY29tAAoJENv7B78FKz8bwxMH/0c/y0wimIlEgqhl27j1 +SCIA9SBF3oZ7P9Jajs/tZZf8jNwOsuXFBQbwqgAkxdKbolaLkhbLOBqKg8LVodH fzpDh+w0BxYVnPLTQe1dpOrygEcfWEM7RdwskwDYyNDDuTZecYkbmHF3mlYnyj5h /aPSBcfqHqjM8ltUxjus2B2kMcS/Khun2HVyhQRpVeiRMZPtLpdh9RyNhAwwlfGV 9WLH5JTg45EHN5V9GL5RzX86HIQ82ZfWtqTKdrU7u7ahph3NN6enkD1+MI2vMqjG t8F/GsFeFdgXfVE2B4HZPWdA07PUeh416iDeajZBY8QlyK3rt/vATkKcGyyYdVJK EGI= =N4qD -----END PGP SIGNATURE----- Merge tag 'bootconfig-fixes-v6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull bootconfig fixes from Masami Hiramatsu: - show the original cmdline only once, and only if it was modeified by bootconfig * tag 'bootconfig-fixes-v6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: fs/proc: Skip bootloader comment if no embedded kernel parameters fs/proc: remove redundant comments from /proc/bootconfig |
||
Rick Edgecombe
|
211f514ebf |
Drivers: hv: vmbus: Track decrypted status in vmbus_gpadl
In CoCo VMs it is possible for the untrusted host to cause set_memory_encrypted() or set_memory_decrypted() to fail such that an error is returned and the resulting memory is shared. Callers need to take care to handle these errors to avoid returning decrypted (shared) memory to the page allocator, which could lead to functional or security issues. In order to make sure callers of vmbus_establish_gpadl() and vmbus_teardown_gpadl() don't return decrypted/shared pages to allocators, add a field in struct vmbus_gpadl to keep track of the decryption status of the buffers. This will allow the callers to know if they should free or leak the pages. Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com> Signed-off-by: Michael Kelley <mhklinux@outlook.com> Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Link: https://lore.kernel.org/r/20240311161558.1310-3-mhklinux@outlook.com Signed-off-by: Wei Liu <wei.liu@kernel.org> Message-ID: <20240311161558.1310-3-mhklinux@outlook.com> |
||
|
Linus Torvalds
|
fe5b5ef836 |
hardening fixes for v6.9-rc4
- gcc-plugins/stackleak: Avoid .head.text section (Ard Biesheuvel) - ubsan: fix unused variable warning in test module (Arnd Bergmann) - Improve entropy diffusion in randomize_kstack -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmYWv7sWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJv0TD/9z0EFo2K6brr6rZ9LUK8JgdcFd MXfee95uw3DvqTphx6H+559AGl0nCZd0S8huw8TAPsRg2hNeuFsQTcQ4TRnyCE+w qMCjflZI0LHqyTfTOuFeSJERQ8kiHntaci33xXR7crehHNGvJN6jRB5ouUOxdFlB L4mx7P4OFjS/+6qRM957yqWrCPM26Nl7qe0TcnOZ5eh+HvIRNF9hSg8DAMMIb0j7 lZZojpOdiYYccfBUhM2PCpDfSNtG06/QpKGCeVK/3gpRzrVWl99iABTpJStf3rbH PWd3kwz/FINYq8sOjm9Y960Xgkz+IZkhr5YXVs6ezMoV5J9vGBG7zjzlYbPwbfoy UTaHUEGmYqCnnshrC5PU05G/CGlYP5iz6pzfxofXLca5+WQY0HxERLAkVdVhn39q oRLIOleAguocK3eBQ03tmJFF28yFJyOWK3C0gp8g8vExBAg2EQGrHOAfR28crB5p yKvLQHL04urSQA9gs4PiflBGyHiLSuWBGyO1K3NvW5cNrRUIGXlwfy8i7cHSzBFo /rQ49E7xxtitAlk+Jol55OewEpw/nq1wqOv0eFW4pje+WSOVRpbQBtDD03gik74v bW9ownxrypqUm5OR6Uuf6OwVWi/zX03inVF0d55dcLv+kjDy0Xu8ViVOhXhs2vT8 PayuOAhAvHgcfGJwFw== =MHgA -----END PGP SIGNATURE----- Merge tag 'hardening-v6.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull hardening fixes from Kees Cook: - gcc-plugins/stackleak: Avoid .head.text section (Ard Biesheuvel) - ubsan: fix unused variable warning in test module (Arnd Bergmann) - Improve entropy diffusion in randomize_kstack * tag 'hardening-v6.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: randomize_kstack: Improve entropy diffusion ubsan: fix unused variable warning in test module gcc-plugins/stackleak: Avoid .head.text section |
||
Huacai Chen
|
0871bc0129 |
mm: Move lowmem_page_address() a little later
LoongArch will override page_to_virt() which use page_address() in the KFENCE case (by defining WANT_PAGE_VIRTUAL/HASHED_PAGE_VIRTUAL). So move lowmem_page_address() a little later to avoid such build errors: error: implicit declaration of function 'page_address'. Acked-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
||
Eric Dumazet
|
6309863b31 |
net: add copy_safe_from_sockptr() helper
copy_from_sockptr() helper is unsafe, unless callers
did the prior check against user provided optlen.
Too many callers get this wrong, lets add a helper to
fix them and avoid future copy/paste bugs.
Instead of :
if (optlen < sizeof(opt)) {
err = -EINVAL;
break;
}
if (copy_from_sockptr(&opt, optval, sizeof(opt)) {
err = -EFAULT;
break;
}
Use :
err = copy_safe_from_sockptr(&opt, sizeof(opt),
optval, optlen);
if (err)
break;
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240408082845.3957374-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|