mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
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134,279 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Sean Young
|
74747dda58 |
media: lirc: always send timeout reports
Without timeout reports, it is impossible to decode many protocols since it is not known when the transmission ends. timeout reports are sent by default, but can be turned off. There is no reason to turn them off, and I cannot find any software which does this, so we can safely remove it. This makes the ioctl LIRC_SET_REC_TIMEOUT_REPORTS a no-op. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> |
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Dafna Hirschfeld
|
ee1806beff |
media: videobuf2: add WARN_ON_ONCE if bytesused is bigger than buffer length
In function vb2_set_plane_payload, report if the given bytesused is bigger than the buffer size, and clamp it to the buffer size. Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> |
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Hans Verkuil
|
a9e6107616 |
media: cec: fix a deadlock situation
The cec_devnode struct has a lock meant to serialize access to the fields of this struct. This lock is taken during device node (un)registration and when opening or releasing a filehandle to the device node. When the last open filehandle is closed the cec adapter might be disabled by calling the adap_enable driver callback with the devnode.lock held. However, if during that callback a message or event arrives then the driver will call one of the cec_queue_event() variants in cec-adap.c, and those will take the same devnode.lock to walk the open filehandle list. This obviously causes a deadlock. This is quite easy to reproduce with the cec-gpio driver since that uses the cec-pin framework which generated lots of events and uses a kernel thread for the processing, so when adap_enable is called the thread is still running and can generate events. But I suspect that it might also happen with other drivers if an interrupt arrives signaling e.g. a received message before adap_enable had a chance to disable the interrupts. This patch adds a new mutex to serialize access to the fhs list. When adap_enable() is called the devnode.lock mutex is held, but not devnode.lock_fhs. The event functions in cec-adap.c will now use devnode.lock_fhs instead of devnode.lock, ensuring that it is safe to call those functions from the adap_enable callback. This specific issue only happens if the last open filehandle is closed and the physical address is invalid. This is not something that happens during normal operation, but it does happen when monitoring CEC traffic (e.g. cec-ctl --monitor) with an unconfigured CEC adapter. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Cc: <stable@vger.kernel.org> # for v5.13 and up Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> |
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Mauro Carvalho Chehab
|
4383cfa18c |
Linux 5.16-rc4
-----BEGIN PGP SIGNATURE----- iQFSBAABCAA8FiEEq68RxlopcLEwq+PEeb4+QwBBGIYFAmGtOFYeHHRvcnZhbGRz QGxpbnV4LWZvdW5kYXRpb24ub3JnAAoJEHm+PkMAQRiG1hUH/1bmlOYsscJ7biqd VECr5HhTg6iRvwWUiOpU27fLuBeAM1ZdF0oLuCtzvbK2h8lfTclcHfueihK0GIvX ci8BvwpOYfUdDUWHglgvGXqICqYch3PiBVMFiRRRkzcpZdyCFCirAynLdOeusdTU 72Fi2RBaIM+U/5UVKcTx0J9WJsvFcG97lnNX5nT3dUmuoSW4WmX+h4vIe8VYFVmd 8q1gD17hPL+ThTKcZApn7IsArU1LNEGRg0tYItgMJo8AMTvsZjwR6yQgXeyuQ0Xk xp6pZwzABtnL9dfNJ95q1GhsJBX5T5XvAVjt2uR1ADbgh6TDApC1VBKICm1Nva7g uT6S0yE= =JNL8 -----END PGP SIGNATURE----- Merge tag 'v5.16-rc4' into media_tree Linux 5.16-rc4 * tag 'v5.16-rc4': (984 commits) Linux 5.16-rc4 KVM: SVM: Do not terminate SEV-ES guests on GHCB validation failure KVM: SEV: Fall back to vmalloc for SEV-ES scratch area if necessary KVM: SEV: Return appropriate error codes if SEV-ES scratch setup fails parisc: Mark cr16 CPU clocksource unstable on all SMP machines parisc: Fix "make install" on newer debian releases sched/uclamp: Fix rq->uclamp_max not set on first enqueue preempt/dynamic: Fix setup_preempt_mode() return value cifs: avoid use of dstaddr as key for fscache client cookie cifs: add server conn_id to fscache client cookie cifs: wait for tcon resource_id before getting fscache super cifs: fix missed refcounting of ipc tcon x86/xen: Add xenpv_restore_regs_and_return_to_usermode() x86/entry: Use the correct fence macro after swapgs in kernel CR3 fget: check that the fd still exists after getting a ref to it x86/entry: Add a fence for kernel entry SWAPGS in paranoid_entry() x86/sev: Fix SEV-ES INS/OUTS instructions for word, dword, and qword powercap: DTPM: Drop unused local variable from init_dtpm() io-wq: don't retry task_work creation failure on fatal conditions serial: 8250_bcm7271: UART errors after resuming from S2 ... |
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Linus Torvalds
|
1d213767dc |
- Properly init uclamp_flags of a runqueue, on first enqueuing
- Fix preempt= callback return values - Correct utime/stime resource usage reporting on nohz_full to return the proper times instead of shorter ones -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmGspTcACgkQEsHwGGHe VUqHhBAAhEd9DMoJwREKDCDMqc3pttNYpTpSVo1K6oBTsOh7mwEilPdlmsTl239V jRocVJST+/JmJ424j7t0Sp42tREMKNlbyf+ddvr0oUwi0mLUnN6J83NU4WK4Jisf gyXFIkeMR+/W6/LO7gDdq/+rlRDtJcllwHoOm1yyiy5Zc0qDrcy6CjgP5/9hEsh6 xvRvPOXbeZZVA+a+n+G9xGN836aBe1VptoABbdAlOSTiOvAVkS95UCb9rfPTvMtq /71jjZMmhTxGUhg5oLpgvfRRZE608X6b2RCTcAPKa5mfMpN5YMQLcD9G0f8XZjkq iOO/+arE6XQJlTzhAEsGxkSXaVweYxRHHP1yAlWYlWV/xGhoaAyq/tXE1KusAnng 16/eTbrPb1eawpI6p1AAScCQuF/TlYZCMqjbFVhViXM5Rkd6jrii9vz/JnkdokGR 3TH0n4WAJkdZeg18WS3B0eIt6zDTvxbR9g5ap2/10xYnYHMNdHXGH8A+5Grw9/Ln Qsv0V43OjdUK2tVuIHYblx1X9dOlLdpTEg9FCfjiZTQVor1pTwcbG62qNMozanlf lQqI6f63E0jugHqhrqrfBvl4lUuoajN5SvXfBNFDIzxwWBGSdr+hJQXstUatfSZZ MdmJX+Dk5cAk4CpQQ1ofPvYkS3Ade0vxaL4H++KHYtRvpPvxCXA= =XQFF -----END PGP SIGNATURE----- Merge tag 'sched_urgent_for_v5.16_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Borislav Petkov: - Properly init uclamp_flags of a runqueue, on first enqueuing - Fix preempt= callback return values - Correct utime/stime resource usage reporting on nohz_full to return the proper times instead of shorter ones * tag 'sched_urgent_for_v5.16_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/uclamp: Fix rq->uclamp_max not set on first enqueue preempt/dynamic: Fix setup_preempt_mode() return value sched/cputime: Fix getrusage(RUSAGE_THREAD) with nohz_full |
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|
Linus Torvalds
|
5f58da2bef |
drm-fixes-2021-12-03:
drm fixes for 5.16-rc4 dma-buf: - memory leak fix msm: - kasan found memory overwrite - mmap flags - fencing error bug - ioctl NULL ptr - uninit var - devfreqless devices fix - dsi lanes fix - dp: avoid unpowered aux xfers amdgpu: - IP discovery based enumeration fixes - vkms fixes - DSC fixes for DP MST - Audio fix for hotplug with tiled displays - Misc display fixes - DP tunneling fix - DP fix - Aldebaran fix amdkfd: - Locking fix - Static checker fix - Fix double free i915: - backlight regression - Intel HDR backlight detection fix - revert TGL workaround that caused hangs virtio-gpu: - switch back to drm_poll vc4: - memory leak - error check fix - HVS modesetting fixes -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmGpOTQACgkQDHTzWXnE hr6IcQ/9ER8UJPyOFEbbBkTOxTShkv2O4eMoP4nuReepAnoTTbNbrs+IvSesUgwb xbD22mytTmsxoPGDgK9X2W1JvyoHmsNjnNcy0eBF/34MU2AeRDJg8KqtwY3oIOaY do0q2VptW2Zujy5lKJJV6lukjO6W4JhgLWq3KlS/P7wyVbe5nRcBbOo2sFJ1WS2l AKtkJqzquAoDzhChN5TnNTey06WsXGION8yDD/cyxBBzvL0C5vUw8q+AKNvM5sm6 spHxj1Kz9wu2pMeZC/6wxzJnf/Go2im1Bal7wcrBaSZcFXVyH5Llp24TWlqj5PQL oEDhlUym5AwEMvlldAE6jwDPLt71tFnSpLQwKcrgPQbRMeXTrnP2Y7mJPYfWZiiY UHwlYXURJtq6BAEn00W+SZ1TeTjkODWl5/m+Ci4+u4h//Mbk0fdU7w1JZPzEHaOy dqmmxXhqgUbCgi6lrCTcLrZcZFCHq9GdZkyK76QrYAQTB5Tz/txl2d3TWFZ2N+fW uZbwNvjDhi1wubmJcwSUIItbjZTdIsIQ845EbevoTw9FIanLfA+XQhafYYGwUyMb i7ZO6pqYiH2/OZDguQJDmvGLdd0VwS9QyMBj/meFA9FZFujV0Vrzoz6Vj6a13Gcv q+/YL1FzPhMKs3g1P1quFHqhyvp+aZV/+2NalGWdBAGfcN1TIr8= =xcZd -----END PGP SIGNATURE----- Merge tag 'drm-fixes-2021-12-03-1' of git://anongit.freedesktop.org/drm/drm Pull drm fixes from Dave Airlie: "Bit of an uptick in patch count this week, though it's all relatively small overall. I suspect msm has been queuing up a few fixes to skew it here. Otherwise amdgpu has a scattered bunch of small fixes, and then some vc4, i915. virtio-gpu changes an rc1 introduced uAPI mistake, and makes it operate more like other drivers. This should be fine as no userspace relies on the behaviour yet. Summary: dma-buf: - memory leak fix msm: - kasan found memory overwrite - mmap flags - fencing error bug - ioctl NULL ptr - uninit var - devfreqless devices fix - dsi lanes fix - dp: avoid unpowered aux xfers amdgpu: - IP discovery based enumeration fixes - vkms fixes - DSC fixes for DP MST - Audio fix for hotplug with tiled displays - Misc display fixes - DP tunneling fix - DP fix - Aldebaran fix amdkfd: - Locking fix - Static checker fix - Fix double free i915: - backlight regression - Intel HDR backlight detection fix - revert TGL workaround that caused hangs virtio-gpu: - switch back to drm_poll vc4: - memory leak - error check fix - HVS modesetting fixes" * tag 'drm-fixes-2021-12-03-1' of git://anongit.freedesktop.org/drm/drm: (41 commits) Revert "drm/i915: Implement Wa_1508744258" drm/amdkfd: process_info lock not needed for svm drm/amdgpu: adjust the kfd reset sequence in reset sriov function drm/amd/display: add connector type check for CRC source set drm/amdkfd: fix double free mem structure drm/amdkfd: set "r = 0" explicitly before goto drm/amd/display: Add work around for tunneled MST. drm/amd/display: Fix for the no Audio bug with Tiled Displays drm/amd/display: Clear DPCD lane settings after repeater training drm/amd/display: Allow DSC on supported MST branch devices drm/amdgpu: Don't halt RLC on GFX suspend drm/amdgpu: fix the missed handling for SDMA2 and SDMA3 drm/amdgpu: check atomic flag to differeniate with legacy path drm/amdgpu: cancel the correct hrtimer on exit drm/amdgpu/sriov/vcn: add new vcn ip revision check case for SIENNA_CICHLID drm/i915/dp: Perform 30ms delay after source OUI write dma-buf: system_heap: Use 'for_each_sgtable_sg' in pages free flow drm/i915: Add support for panels with VESA backlights with PWM enable/disable drm/vc4: kms: Fix previous HVS commit wait drm/vc4: kms: Don't duplicate pending commit ... |
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Dave Airlie
|
1152b16842 |
Switch back to drm_poll for virtio, multiple fixes (memory leak,
improper error check, some functional fixes too) for vc4, memory leak fix in dma-buf, -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCYaiHXQAKCRDj7w1vZxhR xcU2AQCjblCn6Qkj9gf3LBuO0npYaCrXQyNoGsb9e7wYWuHjZwD/dWUDQ2G9SY1a d1UfF5Dr/4+8CXFv4EkAxNC32k/R9gI= =NQ3M -----END PGP SIGNATURE----- Merge tag 'drm-misc-fixes-2021-12-02' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes Switch back to drm_poll for virtio, multiple fixes (memory leak, improper error check, some functional fixes too) for vc4, memory leak fix in dma-buf, Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20211202084440.u3b7lbeulj7k3ltg@houat |
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|
Linus Torvalds
|
a51e3ac43d |
Networking fixes for 5.16-rc4, including fixes from wireless,
and wireguard.
Current release - regressions:
- smc: keep smc_close_final()'s error code during active close
Current release - new code bugs:
- iwlwifi: various static checker fixes (int overflow, leaks, missing
error codes)
- rtw89: fix size of firmware header before transfer, avoid crash
- mt76: fix timestamp check in tx_status; fix pktid leak;
- mscc: ocelot: fix missing unlock on error in ocelot_hwstamp_set()
Previous releases - regressions:
- smc: fix list corruption in smc_lgr_cleanup_early
- ipv4: convert fib_num_tclassid_users to atomic_t
Previous releases - always broken:
- tls: fix authentication failure in CCM mode
- vrf: reset IPCB/IP6CB when processing outbound pkts, prevent
incorrect processing
- dsa: mv88e6xxx: fixes for various device errata
- rds: correct socket tunable error in rds_tcp_tune()
- ipv6: fix memory leak in fib6_rule_suppress
- wireguard: reset peer src endpoint when netns exits
- wireguard: improve resilience to DoS around incoming handshakes
- tcp: fix page frag corruption on page fault which involves TCP
- mpls: fix missing attributes in delete notifications
- mt7915: fix NULL pointer dereference with ad-hoc mode
Misc:
- rt2x00: be more lenient about EPROTO errors during start
- mlx4_en: update reported link modes for 1/10G
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from wireless, and wireguard.
Mostly scattered driver changes this week, with one big clump in
mv88e6xxx. Nothing of note, really.
Current release - regressions:
- smc: keep smc_close_final()'s error code during active close
Current release - new code bugs:
- iwlwifi: various static checker fixes (int overflow, leaks, missing
error codes)
- rtw89: fix size of firmware header before transfer, avoid crash
- mt76: fix timestamp check in tx_status; fix pktid leak;
- mscc: ocelot: fix missing unlock on error in ocelot_hwstamp_set()
Previous releases - regressions:
- smc: fix list corruption in smc_lgr_cleanup_early
- ipv4: convert fib_num_tclassid_users to atomic_t
Previous releases - always broken:
- tls: fix authentication failure in CCM mode
- vrf: reset IPCB/IP6CB when processing outbound pkts, prevent
incorrect processing
- dsa: mv88e6xxx: fixes for various device errata
- rds: correct socket tunable error in rds_tcp_tune()
- ipv6: fix memory leak in fib6_rule_suppress
- wireguard: reset peer src endpoint when netns exits
- wireguard: improve resilience to DoS around incoming handshakes
- tcp: fix page frag corruption on page fault which involves TCP
- mpls: fix missing attributes in delete notifications
- mt7915: fix NULL pointer dereference with ad-hoc mode
Misc:
- rt2x00: be more lenient about EPROTO errors during start
- mlx4_en: update reported link modes for 1/10G"
* tag 'net-5.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (85 commits)
net: dsa: b53: Add SPI ID table
gro: Fix inconsistent indenting
selftests: net: Correct case name
net/rds: correct socket tunable error in rds_tcp_tune()
mctp: Don't let RTM_DELROUTE delete local routes
net/smc: Keep smc_close_final rc during active close
ibmvnic: drop bad optimization in reuse_tx_pools()
ibmvnic: drop bad optimization in reuse_rx_pools()
net/smc: fix wrong list_del in smc_lgr_cleanup_early
Fix Comment of ETH_P_802_3_MIN
ethernet: aquantia: Try MAC address from device tree
ipv4: convert fib_num_tclassid_users to atomic_t
net: avoid uninit-value from tcp_conn_request
net: annotate data-races on txq->xmit_lock_owner
octeontx2-af: Fix a memleak bug in rvu_mbox_init()
net/mlx4_en: Fix an use-after-free bug in mlx4_en_try_alloc_resources()
vrf: Reset IPCB/IP6CB when processing outbound pkts in vrf dev xmit
net: qlogic: qlcnic: Fix a NULL pointer dereference in qlcnic_83xx_add_rings()
net: dsa: mv88e6xxx: Link in pcs_get_state() if AN is bypassed
net: dsa: mv88e6xxx: Fix inband AN for 2500base-x on 88E6393X family
...
|
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Linus Torvalds
|
2b2c0f24ba |
Three tracing fixes:
- Allow compares of strings when using signed and unsigned characters - Fix kmemleak false positive for histogram entries. - Handle negative numbers for user defined kretprobe data sizes -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCYagqyxQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qlCuAP45eI+DN2P+HxlnuWq7bLt/HYcOucit nALTZ4OIux8kqgEAss4wSTcUIefOQHi3PiMXgJmyXheTbeBUk/ecInDoZAQ= =P6C/ -----END PGP SIGNATURE----- Merge tag 'trace-v5.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fixes from Steven Rostedt: "Three tracing fixes: - Allow compares of strings when using signed and unsigned characters - Fix kmemleak false positive for histogram entries - Handle negative numbers for user defined kretprobe data sizes" * tag 'trace-v5.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: kprobes: Limit max data_size of the kretprobe instances tracing: Fix a kmemleak false positive in tracing_map tracing/histograms: String compares should not care about signed values |
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Frederic Weisbecker
|
e7f2be115f |
sched/cputime: Fix getrusage(RUSAGE_THREAD) with nohz_full
getrusage(RUSAGE_THREAD) with nohz_full may return shorter utime/stime than the actual time. task_cputime_adjusted() snapshots utime and stime and then adjust their sum to match the scheduler maintained cputime.sum_exec_runtime. Unfortunately in nohz_full, sum_exec_runtime is only updated once per second in the worst case, causing a discrepancy against utime and stime that can be updated anytime by the reader using vtime. To fix this situation, perform an update of cputime.sum_exec_runtime when the cputime snapshot reports the task as actually running while the tick is disabled. The related overhead is then contained within the relevant situations. Reported-by: Hasegawa Hitomi <hasegawa-hitomi@fujitsu.com> Signed-off-by: Frederic Weisbecker <frederic@kernel.org> Signed-off-by: Hasegawa Hitomi <hasegawa-hitomi@fujitsu.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com> Acked-by: Phil Auld <pauld@redhat.com> Link: https://lore.kernel.org/r/20211026141055.57358-3-frederic@kernel.org |
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Xiayu Zhang
|
72f6a45202 |
Fix Comment of ETH_P_802_3_MIN
The description of ETH_P_802_3_MIN is misleading. The value of EthernetType in Ethernet II frame is more than 0x0600, the value of Length in 802.3 frame is less than 0x0600. Signed-off-by: Xiayu Zhang <Xiayu.Zhang@mediatek.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Eric Dumazet
|
213f5f8f31 |
ipv4: convert fib_num_tclassid_users to atomic_t
Before commit |
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Eric Dumazet
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a37a0ee4d2 |
net: avoid uninit-value from tcp_conn_request
A recent change triggers a KMSAN warning, because request
sockets do not initialize @sk_rx_queue_mapping field.
Add sk_rx_queue_update() helper to make our intent clear.
BUG: KMSAN: uninit-value in sk_rx_queue_set include/net/sock.h:1922 [inline]
BUG: KMSAN: uninit-value in tcp_conn_request+0x3bcc/0x4dc0 net/ipv4/tcp_input.c:6922
sk_rx_queue_set include/net/sock.h:1922 [inline]
tcp_conn_request+0x3bcc/0x4dc0 net/ipv4/tcp_input.c:6922
tcp_v4_conn_request+0x218/0x2a0 net/ipv4/tcp_ipv4.c:1528
tcp_rcv_state_process+0x2c5/0x3290 net/ipv4/tcp_input.c:6406
tcp_v4_do_rcv+0xb4e/0x1330 net/ipv4/tcp_ipv4.c:1738
tcp_v4_rcv+0x468d/0x4ed0 net/ipv4/tcp_ipv4.c:2100
ip_protocol_deliver_rcu+0x760/0x10b0 net/ipv4/ip_input.c:204
ip_local_deliver_finish net/ipv4/ip_input.c:231 [inline]
NF_HOOK include/linux/netfilter.h:307 [inline]
ip_local_deliver+0x584/0x8c0 net/ipv4/ip_input.c:252
dst_input include/net/dst.h:460 [inline]
ip_sublist_rcv_finish net/ipv4/ip_input.c:551 [inline]
ip_list_rcv_finish net/ipv4/ip_input.c:601 [inline]
ip_sublist_rcv+0x11fd/0x1520 net/ipv4/ip_input.c:609
ip_list_rcv+0x95f/0x9a0 net/ipv4/ip_input.c:644
__netif_receive_skb_list_ptype net/core/dev.c:5505 [inline]
__netif_receive_skb_list_core+0xe34/0x1240 net/core/dev.c:5553
__netif_receive_skb_list+0x7fc/0x960 net/core/dev.c:5605
netif_receive_skb_list_internal+0x868/0xde0 net/core/dev.c:5696
gro_normal_list net/core/dev.c:5850 [inline]
napi_complete_done+0x579/0xdd0 net/core/dev.c:6587
virtqueue_napi_complete drivers/net/virtio_net.c:339 [inline]
virtnet_poll+0x17b6/0x2350 drivers/net/virtio_net.c:1557
__napi_poll+0x14e/0xbc0 net/core/dev.c:7020
napi_poll net/core/dev.c:7087 [inline]
net_rx_action+0x824/0x1880 net/core/dev.c:7174
__do_softirq+0x1fe/0x7eb kernel/softirq.c:558
invoke_softirq+0xa4/0x130 kernel/softirq.c:432
__irq_exit_rcu kernel/softirq.c:636 [inline]
irq_exit_rcu+0x76/0x130 kernel/softirq.c:648
common_interrupt+0xb6/0xd0 arch/x86/kernel/irq.c:240
asm_common_interrupt+0x1e/0x40
smap_restore arch/x86/include/asm/smap.h:67 [inline]
get_shadow_origin_ptr mm/kmsan/instrumentation.c:31 [inline]
__msan_metadata_ptr_for_load_1+0x28/0x30 mm/kmsan/instrumentation.c:63
tomoyo_check_acl+0x1b0/0x630 security/tomoyo/domain.c:173
tomoyo_path_permission security/tomoyo/file.c:586 [inline]
tomoyo_check_open_permission+0x61f/0xe10 security/tomoyo/file.c:777
tomoyo_file_open+0x24f/0x2d0 security/tomoyo/tomoyo.c:311
security_file_open+0xb1/0x1f0 security/security.c:1635
do_dentry_open+0x4e4/0x1bf0 fs/open.c:809
vfs_open+0xaf/0xe0 fs/open.c:957
do_open fs/namei.c:3426 [inline]
path_openat+0x52f1/0x5dd0 fs/namei.c:3559
do_filp_open+0x306/0x760 fs/namei.c:3586
do_sys_openat2+0x263/0x8f0 fs/open.c:1212
do_sys_open fs/open.c:1228 [inline]
__do_sys_open fs/open.c:1236 [inline]
__se_sys_open fs/open.c:1232 [inline]
__x64_sys_open+0x314/0x380 fs/open.c:1232
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x54/0xd0 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x44/0xae
Uninit was created at:
__alloc_pages+0xbc7/0x10a0 mm/page_alloc.c:5409
alloc_pages+0x8a5/0xb80
alloc_slab_page mm/slub.c:1810 [inline]
allocate_slab+0x287/0x1c20 mm/slub.c:1947
new_slab mm/slub.c:2010 [inline]
___slab_alloc+0xbdf/0x1e90 mm/slub.c:3039
__slab_alloc mm/slub.c:3126 [inline]
slab_alloc_node mm/slub.c:3217 [inline]
slab_alloc mm/slub.c:3259 [inline]
kmem_cache_alloc+0xbb3/0x11c0 mm/slub.c:3264
reqsk_alloc include/net/request_sock.h:91 [inline]
inet_reqsk_alloc+0xaf/0x8b0 net/ipv4/tcp_input.c:6712
tcp_conn_request+0x910/0x4dc0 net/ipv4/tcp_input.c:6852
tcp_v4_conn_request+0x218/0x2a0 net/ipv4/tcp_ipv4.c:1528
tcp_rcv_state_process+0x2c5/0x3290 net/ipv4/tcp_input.c:6406
tcp_v4_do_rcv+0xb4e/0x1330 net/ipv4/tcp_ipv4.c:1738
tcp_v4_rcv+0x468d/0x4ed0 net/ipv4/tcp_ipv4.c:2100
ip_protocol_deliver_rcu+0x760/0x10b0 net/ipv4/ip_input.c:204
ip_local_deliver_finish net/ipv4/ip_input.c:231 [inline]
NF_HOOK include/linux/netfilter.h:307 [inline]
ip_local_deliver+0x584/0x8c0 net/ipv4/ip_input.c:252
dst_input include/net/dst.h:460 [inline]
ip_sublist_rcv_finish net/ipv4/ip_input.c:551 [inline]
ip_list_rcv_finish net/ipv4/ip_input.c:601 [inline]
ip_sublist_rcv+0x11fd/0x1520 net/ipv4/ip_input.c:609
ip_list_rcv+0x95f/0x9a0 net/ipv4/ip_input.c:644
__netif_receive_skb_list_ptype net/core/dev.c:5505 [inline]
__netif_receive_skb_list_core+0xe34/0x1240 net/core/dev.c:5553
__netif_receive_skb_list+0x7fc/0x960 net/core/dev.c:5605
netif_receive_skb_list_internal+0x868/0xde0 net/core/dev.c:5696
gro_normal_list net/core/dev.c:5850 [inline]
napi_complete_done+0x579/0xdd0 net/core/dev.c:6587
virtqueue_napi_complete drivers/net/virtio_net.c:339 [inline]
virtnet_poll+0x17b6/0x2350 drivers/net/virtio_net.c:1557
__napi_poll+0x14e/0xbc0 net/core/dev.c:7020
napi_poll net/core/dev.c:7087 [inline]
net_rx_action+0x824/0x1880 net/core/dev.c:7174
__do_softirq+0x1fe/0x7eb kernel/softirq.c:558
Fixes:
|
||
|
Eric Dumazet
|
7a10d8c810 |
net: annotate data-races on txq->xmit_lock_owner
syzbot found that __dev_queue_xmit() is reading txq->xmit_lock_owner
without annotations.
No serious issue there, let's document what is happening there.
BUG: KCSAN: data-race in __dev_queue_xmit / __dev_queue_xmit
write to 0xffff888139d09484 of 4 bytes by interrupt on cpu 0:
__netif_tx_unlock include/linux/netdevice.h:4437 [inline]
__dev_queue_xmit+0x948/0xf70 net/core/dev.c:4229
dev_queue_xmit_accel+0x19/0x20 net/core/dev.c:4265
macvlan_queue_xmit drivers/net/macvlan.c:543 [inline]
macvlan_start_xmit+0x2b3/0x3d0 drivers/net/macvlan.c:567
__netdev_start_xmit include/linux/netdevice.h:4987 [inline]
netdev_start_xmit include/linux/netdevice.h:5001 [inline]
xmit_one+0x105/0x2f0 net/core/dev.c:3590
dev_hard_start_xmit+0x72/0x120 net/core/dev.c:3606
sch_direct_xmit+0x1b2/0x7c0 net/sched/sch_generic.c:342
__dev_xmit_skb+0x83d/0x1370 net/core/dev.c:3817
__dev_queue_xmit+0x590/0xf70 net/core/dev.c:4194
dev_queue_xmit+0x13/0x20 net/core/dev.c:4259
neigh_hh_output include/net/neighbour.h:511 [inline]
neigh_output include/net/neighbour.h:525 [inline]
ip6_finish_output2+0x995/0xbb0 net/ipv6/ip6_output.c:126
__ip6_finish_output net/ipv6/ip6_output.c:191 [inline]
ip6_finish_output+0x444/0x4c0 net/ipv6/ip6_output.c:201
NF_HOOK_COND include/linux/netfilter.h:296 [inline]
ip6_output+0x10e/0x210 net/ipv6/ip6_output.c:224
dst_output include/net/dst.h:450 [inline]
NF_HOOK include/linux/netfilter.h:307 [inline]
ndisc_send_skb+0x486/0x610 net/ipv6/ndisc.c:508
ndisc_send_rs+0x3b0/0x3e0 net/ipv6/ndisc.c:702
addrconf_rs_timer+0x370/0x540 net/ipv6/addrconf.c:3898
call_timer_fn+0x2e/0x240 kernel/time/timer.c:1421
expire_timers+0x116/0x240 kernel/time/timer.c:1466
__run_timers+0x368/0x410 kernel/time/timer.c:1734
run_timer_softirq+0x2e/0x60 kernel/time/timer.c:1747
__do_softirq+0x158/0x2de kernel/softirq.c:558
__irq_exit_rcu kernel/softirq.c:636 [inline]
irq_exit_rcu+0x37/0x70 kernel/softirq.c:648
sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
read to 0xffff888139d09484 of 4 bytes by interrupt on cpu 1:
__dev_queue_xmit+0x5e3/0xf70 net/core/dev.c:4213
dev_queue_xmit_accel+0x19/0x20 net/core/dev.c:4265
macvlan_queue_xmit drivers/net/macvlan.c:543 [inline]
macvlan_start_xmit+0x2b3/0x3d0 drivers/net/macvlan.c:567
__netdev_start_xmit include/linux/netdevice.h:4987 [inline]
netdev_start_xmit include/linux/netdevice.h:5001 [inline]
xmit_one+0x105/0x2f0 net/core/dev.c:3590
dev_hard_start_xmit+0x72/0x120 net/core/dev.c:3606
sch_direct_xmit+0x1b2/0x7c0 net/sched/sch_generic.c:342
__dev_xmit_skb+0x83d/0x1370 net/core/dev.c:3817
__dev_queue_xmit+0x590/0xf70 net/core/dev.c:4194
dev_queue_xmit+0x13/0x20 net/core/dev.c:4259
neigh_resolve_output+0x3db/0x410 net/core/neighbour.c:1523
neigh_output include/net/neighbour.h:527 [inline]
ip6_finish_output2+0x9be/0xbb0 net/ipv6/ip6_output.c:126
__ip6_finish_output net/ipv6/ip6_output.c:191 [inline]
ip6_finish_output+0x444/0x4c0 net/ipv6/ip6_output.c:201
NF_HOOK_COND include/linux/netfilter.h:296 [inline]
ip6_output+0x10e/0x210 net/ipv6/ip6_output.c:224
dst_output include/net/dst.h:450 [inline]
NF_HOOK include/linux/netfilter.h:307 [inline]
ndisc_send_skb+0x486/0x610 net/ipv6/ndisc.c:508
ndisc_send_rs+0x3b0/0x3e0 net/ipv6/ndisc.c:702
addrconf_rs_timer+0x370/0x540 net/ipv6/addrconf.c:3898
call_timer_fn+0x2e/0x240 kernel/time/timer.c:1421
expire_timers+0x116/0x240 kernel/time/timer.c:1466
__run_timers+0x368/0x410 kernel/time/timer.c:1734
run_timer_softirq+0x2e/0x60 kernel/time/timer.c:1747
__do_softirq+0x158/0x2de kernel/softirq.c:558
__irq_exit_rcu kernel/softirq.c:636 [inline]
irq_exit_rcu+0x37/0x70 kernel/softirq.c:648
sysvec_apic_timer_interrupt+0x8d/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
kcsan_setup_watchpoint+0x94/0x420 kernel/kcsan/core.c:443
folio_test_anon include/linux/page-flags.h:581 [inline]
PageAnon include/linux/page-flags.h:586 [inline]
zap_pte_range+0x5ac/0x10e0 mm/memory.c:1347
zap_pmd_range mm/memory.c:1467 [inline]
zap_pud_range mm/memory.c:1496 [inline]
zap_p4d_range mm/memory.c:1517 [inline]
unmap_page_range+0x2dc/0x3d0 mm/memory.c:1538
unmap_single_vma+0x157/0x210 mm/memory.c:1583
unmap_vmas+0xd0/0x180 mm/memory.c:1615
exit_mmap+0x23d/0x470 mm/mmap.c:3170
__mmput+0x27/0x1b0 kernel/fork.c:1113
mmput+0x3d/0x50 kernel/fork.c:1134
exit_mm+0xdb/0x170 kernel/exit.c:507
do_exit+0x608/0x17a0 kernel/exit.c:819
do_group_exit+0xce/0x180 kernel/exit.c:929
get_signal+0xfc3/0x1550 kernel/signal.c:2852
arch_do_signal_or_restart+0x8c/0x2e0 arch/x86/kernel/signal.c:868
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x113/0x190 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x20/0x40 kernel/entry/common.c:300
do_syscall_64+0x50/0xd0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
value changed: 0x00000000 -> 0xffffffff
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 28712 Comm: syz-executor.0 Tainted: G W 5.16.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Fixes:
|
||
Masami Hiramatsu
|
6bbfa44116 |
kprobes: Limit max data_size of the kretprobe instances
The 'kprobe::data_size' is unsigned, thus it can not be negative. But if
user sets it enough big number (e.g. (size_t)-8), the result of 'data_size
+ sizeof(struct kretprobe_instance)' becomes smaller than sizeof(struct
kretprobe_instance) or zero. In result, the kretprobe_instance are
allocated without enough memory, and kretprobe accesses outside of
allocated memory.
To avoid this issue, introduce a max limitation of the
kretprobe::data_size. 4KB per instance should be OK.
Link: https://lkml.kernel.org/r/163836995040.432120.10322772773821182925.stgit@devnote2
Cc: stable@vger.kernel.org
Fixes:
|
||
|
Linus Torvalds
|
4536579b76 |
sound fixes for 5.16-rc4
A collection of small fixes. A large series is found for ASoC tegra drivers to correct the control element handlings, while others are mostly for device-specific quirks and fix-ups. -----BEGIN PGP SIGNATURE----- iQJCBAABCAAsFiEEIXTw5fNLNI7mMiVaLtJE4w1nLE8FAmGnKA0OHHRpd2FpQHN1 c2UuZGUACgkQLtJE4w1nLE+Wew//Q3kKi/9ze/P6Er3rb/jovD77w0BzHJ4NjdMs cANSNNMUDQOEFC5uxS5eaB9IUPK/TN3M3pMEEz5PIJNNjiqxvQIMwXUcuieJ34Cy 8A/kFzEuMEVtzt4stN9ZdIg/LNiDS1slmqgCU6NPdLM4Rds6Kdr6LRvJxd1kRso/ BRM1CVlSlC3FsjSA4gGzqwzD/6mAL+4+dR9fIn1KrwvuIBodt4ivGVP4BaOk+Uy5 Ds6Hw+BTodIML2yy/E+PmgU6V5HLNecXkJdEDoBhWrAhpBW38O/3Oj9uvuuSdh7h 3ZKj9MUep9ZFNYjkPS91rcl0uSCPbIybzFh9EYvpt1AqqjSfP6VomOYRWna78C0J 3VuyoNUReEGtbo34eaH24urZBv3HJbPHzI4ZyzUVCabzYE6kn7AKev9jhLw9rTZU KQMQGq+qykERU6jvaphkOt6mDbQ228wt5TwTI2TG7wfA7a2lOuWeOE/tfguM2TRl qv+kE1OaHcEcnz++1+1u0Utkk2Dhqky56Bf8IMLr/ml+athYUZ7SLb8jktJlu4OZ YqFfhTSHIpCg1x4AClcHUIiN6Jqca1op3dnKtrTA3ZSex8A35vCRHWu8F/IDD2DL h8vaga0k5ezBPrnJIMVB9Fej6OhpMFUJan1FdIZa7TQlCJ5zUQ67t44nJ12fyv+Z WN8gWOY= =uq+I -----END PGP SIGNATURE----- Merge tag 'sound-5.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "A collection of small fixes. A large series is found for ASoC tegra drivers to correct the control element handlings, while others are mostly for device-specific quirks and fix-ups" * tag 'sound-5.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (25 commits) ALSA: hda/hdmi: fix HDA codec entry table order for ADL-P ALSA: hda: Add Intel DG2 PCI ID and HDMI codec vid ALSA: hda/cs8409: Set PMSG_ON earlier inside cs8409 driver ASoC: SOF: hda: reset DAI widget before reconfiguring it ASoC: cs35l41: Set the max SPI speed for the whole device ALSA: intel-dsp-config: add quirk for CML devices based on ES8336 codec ASoC: Intel: soc-acpi: add entry for ESSX8336 on CML ASoC: rk817: Add module alias for rk817-codec ASoC: soc-acpi: Set mach->id field on comp_ids matches ASoC: tegra: Fix kcontrol put callback in Mixer ASoC: tegra: Fix kcontrol put callback in ADX ASoC: tegra: Fix kcontrol put callback in AMX ASoC: tegra: Fix kcontrol put callback in SFC ASoC: tegra: Fix kcontrol put callback in MVC ASoC: tegra: Fix kcontrol put callback in AHUB ASoC: tegra: Fix kcontrol put callback in DSPK ASoC: tegra: Fix kcontrol put callback in DMIC ASoC: tegra: Fix kcontrol put callback in I2S ASoC: tegra: Fix kcontrol put callback in ADMAIF ASoC: tegra: Fix wrong value type in MVC ... |
||
Aya Levin
|
502e82b913 |
net/mlx5: Fix access to a non-supported register
Validate MRTC register is supported before triggering a delayed work
which accesses it.
Fixes:
|
||
Arnd Bergmann
|
f7e5b9bfa6 |
siphash: use _unaligned version by default
On ARM v6 and later, we define CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
because the ordinary load/store instructions (ldr, ldrh, ldrb) can
tolerate any misalignment of the memory address. However, load/store
double and load/store multiple instructions (ldrd, ldm) may still only
be used on memory addresses that are 32-bit aligned, and so we have to
use the CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS macro with care, or we
may end up with a severe performance hit due to alignment traps that
require fixups by the kernel. Testing shows that this currently happens
with clang-13 but not gcc-11. In theory, any compiler version can
produce this bug or other problems, as we are dealing with undefined
behavior in C99 even on architectures that support this in hardware,
see also https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100363.
Fortunately, the get_unaligned() accessors do the right thing: when
building for ARMv6 or later, the compiler will emit unaligned accesses
using the ordinary load/store instructions (but avoid the ones that
require 32-bit alignment). When building for older ARM, those accessors
will emit the appropriate sequence of ldrb/mov/orr instructions. And on
architectures that can truly tolerate any kind of misalignment, the
get_unaligned() accessors resolve to the leXX_to_cpup accessors that
operate on aligned addresses.
Since the compiler will in fact emit ldrd or ldm instructions when
building this code for ARM v6 or later, the solution is to use the
unaligned accessors unconditionally on architectures where this is
known to be fast. The _aligned version of the hash function is
however still needed to get the best performance on architectures
that cannot do any unaligned access in hardware.
This new version avoids the undefined behavior and should produce
the fastest hash on all architectures we support.
Link: https://lore.kernel.org/linux-arm-kernel/20181008211554.5355-4-ard.biesheuvel@linaro.org/
Link: https://lore.kernel.org/linux-crypto/CAK8P3a2KfmmGDbVHULWevB0hv71P2oi2ZCHEAqT=8dQfa0=cqQ@mail.gmail.com/
Reported-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Fixes:
|
||
Jason A. Donenfeld
|
20ae1d6aa1 |
wireguard: device: reset peer src endpoint when netns exits
Each peer's endpoint contains a dst_cache entry that takes a reference
to another netdev. When the containing namespace exits, we take down the
socket and prevent future sockets from being created (by setting
creating_net to NULL), which removes that potential reference on the
netns. However, it doesn't release references to the netns that a netdev
cached in dst_cache might be taking, so the netns still might fail to
exit. Since the socket is gimped anyway, we can simply clear all the
dst_caches (by way of clearing the endpoint src), which will release all
references.
However, the current dst_cache_reset function only releases those
references lazily. But it turns out that all of our usages of
wg_socket_clear_peer_endpoint_src are called from contexts that are not
exactly high-speed or bottle-necked. For example, when there's
connection difficulty, or when userspace is reconfiguring the interface.
And in particular for this patch, when the netns is exiting. So for
those cases, it makes more sense to call dst_release immediately. For
that, we add a small helper function to dst_cache.
This patch also adds a test to netns.sh from Hangbin Liu to ensure this
doesn't regress.
Tested-by: Hangbin Liu <liuhangbin@gmail.com>
Reported-by: Xiumei Mu <xmu@redhat.com>
Cc: Toke Høiland-Jørgensen <toke@redhat.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Fixes:
|
||
msizanoen1
|
cdef485217 |
ipv6: fix memory leak in fib6_rule_suppress
The kernel leaks memory when a `fib` rule is present in IPv6 nftables firewall rules and a suppress_prefix rule is present in the IPv6 routing rules (used by certain tools such as wg-quick). In such scenarios, every incoming packet will leak an allocation in `ip6_dst_cache` slab cache. After some hours of `bpftrace`-ing and source code reading, I tracked down the issue to |
||
Paolo Abeni
|
dacb5d8875 |
tcp: fix page frag corruption on page fault
Steffen reported a TCP stream corruption for HTTP requests served by the apache web-server using a cifs mount-point and memory mapping the relevant file. The root cause is quite similar to the one addressed by commit |
||
Gurchetan Singh
|
7e78781df4 |
drm/virtgpu api: define a dummy fence signaled event
The current virtgpu implementation of poll(..) drops events
when VIRTGPU_CONTEXT_PARAM_POLL_RINGS_MASK is enabled (otherwise
it's like a normal DRM driver).
This is because paravirtualized userspaces receives responses in a
buffer of type BLOB_MEM_GUEST, not by read(..).
To be in line with other DRM drivers and avoid specialized behavior,
it is possible to define a dummy event for virtgpu. Paravirtualized
userspace will now have to call read(..) on the DRM fd to receive the
dummy event.
Fixes:
|
||
|
Linus Torvalds
|
d06c942efe |
vhost,virtio,vdpa: bugfixes
Misc fixes all over the place.
Revert of virtio used length validation series: the approach taken does
not seem to work, breaking too many guests in the process. We'll need to
do length validation using some other approach.
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 vhost,virtio,vdpa bugfixes from Michael Tsirkin:
"Misc fixes all over the place.
Revert of virtio used length validation series: the approach taken
does not seem to work, breaking too many guests in the process. We'll
need to do length validation using some other approach"
[ This merge also ends up reverting commit
|
||
|
Linus Torvalds
|
7413927713 |
NFS client bugfixes for Linux 5.16
Highlights include:
Stable fixes:
- NFSv42: Fix pagecache invalidation after COPY/CLONE
Bugfixes:
- NFSv42: Don't fail clone() just because the server failed to return
post-op attributes
- SUNRPC: use different lockdep keys for INET6 and LOCAL
- NFSv4.1: handle NFS4ERR_NOSPC from CREATE_SESSION
- SUNRPC: fix header include guard in trace header
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Merge tag 'nfs-for-5.16-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client fixes from Trond Myklebust:
"Highlights include:
Stable fixes:
- NFSv42: Fix pagecache invalidation after COPY/CLONE
Bugfixes:
- NFSv42: Don't fail clone() just because the server failed to return
post-op attributes
- SUNRPC: use different lockdep keys for INET6 and LOCAL
- NFSv4.1: handle NFS4ERR_NOSPC from CREATE_SESSION
- SUNRPC: fix header include guard in trace header"
* tag 'nfs-for-5.16-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
SUNRPC: use different lock keys for INET6 and LOCAL
sunrpc: fix header include guard in trace header
NFSv4.1: handle NFS4ERR_NOSPC by CREATE_SESSION
NFSv42: Fix pagecache invalidation after COPY/CLONE
NFS: Add a tracepoint to show the results of nfs_set_cache_invalid()
NFSv42: Don't fail clone() unless the OP_CLONE operation failed
|
||
|
Linus Torvalds
|
c5c17547b7 |
Networking fixes for 5.16-rc3, including fixes from netfilter.
Current release - regressions:
- r8169: fix incorrect mac address assignment
- vlan: fix underflow for the real_dev refcnt when vlan creation fails
- smc: avoid warning of possible recursive locking
Current release - new code bugs:
- vsock/virtio: suppress used length validation
- neigh: fix crash in v6 module initialization error path
Previous releases - regressions:
- af_unix: fix change in behavior in read after shutdown
- igb: fix netpoll exit with traffic, avoid warning
- tls: fix splice_read() when starting mid-record
- lan743x: fix deadlock in lan743x_phy_link_status_change()
- marvell: prestera: fix bridge port operation
Previous releases - always broken:
- tcp_cubic: fix spurious Hystart ACK train detections for
not-cwnd-limited flows
- nexthop: fix refcount issues when replacing IPv6 groups
- nexthop: fix null pointer dereference when IPv6 is not enabled
- phylink: force link down and retrigger resolve on interface change
- mptcp: fix delack timer length calculation and incorrect early
clearing
- ieee802154: handle iftypes as u32, prevent shift-out-of-bounds
- nfc: virtual_ncidev: change default device permissions
- netfilter: ctnetlink: fix error codes and flags used for kernel side
filtering of dumps
- netfilter: flowtable: fix IPv6 tunnel addr match
- ncsi: align payload to 32-bit to fix dropped packets
- iavf: fix deadlock and loss of config during VF interface reset
- ice: avoid bpf_prog refcount underflow
- ocelot: fix broken PTP over IP and PTP API violations
Misc:
- marvell: mvpp2: increase MTU limit when XDP enabled
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Networking fixes, including fixes from netfilter.
Current release - regressions:
- r8169: fix incorrect mac address assignment
- vlan: fix underflow for the real_dev refcnt when vlan creation
fails
- smc: avoid warning of possible recursive locking
Current release - new code bugs:
- vsock/virtio: suppress used length validation
- neigh: fix crash in v6 module initialization error path
Previous releases - regressions:
- af_unix: fix change in behavior in read after shutdown
- igb: fix netpoll exit with traffic, avoid warning
- tls: fix splice_read() when starting mid-record
- lan743x: fix deadlock in lan743x_phy_link_status_change()
- marvell: prestera: fix bridge port operation
Previous releases - always broken:
- tcp_cubic: fix spurious Hystart ACK train detections for
not-cwnd-limited flows
- nexthop: fix refcount issues when replacing IPv6 groups
- nexthop: fix null pointer dereference when IPv6 is not enabled
- phylink: force link down and retrigger resolve on interface change
- mptcp: fix delack timer length calculation and incorrect early
clearing
- ieee802154: handle iftypes as u32, prevent shift-out-of-bounds
- nfc: virtual_ncidev: change default device permissions
- netfilter: ctnetlink: fix error codes and flags used for kernel
side filtering of dumps
- netfilter: flowtable: fix IPv6 tunnel addr match
- ncsi: align payload to 32-bit to fix dropped packets
- iavf: fix deadlock and loss of config during VF interface reset
- ice: avoid bpf_prog refcount underflow
- ocelot: fix broken PTP over IP and PTP API violations
Misc:
- marvell: mvpp2: increase MTU limit when XDP enabled"
* tag 'net-5.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (94 commits)
net: dsa: microchip: implement multi-bridge support
net: mscc: ocelot: correctly report the timestamping RX filters in ethtool
net: mscc: ocelot: set up traps for PTP packets
net: ptp: add a definition for the UDP port for IEEE 1588 general messages
net: mscc: ocelot: create a function that replaces an existing VCAP filter
net: mscc: ocelot: don't downgrade timestamping RX filters in SIOCSHWTSTAMP
net: hns3: fix incorrect components info of ethtool --reset command
net: hns3: fix one incorrect value of page pool info when queried by debugfs
net: hns3: add check NULL address for page pool
net: hns3: fix VF RSS failed problem after PF enable multi-TCs
net: qed: fix the array may be out of bound
net/smc: Don't call clcsock shutdown twice when smc shutdown
net: vlan: fix underflow for the real_dev refcnt
ptp: fix filter names in the documentation
ethtool: ioctl: fix potential NULL deref in ethtool_set_coalesce()
nfc: virtual_ncidev: change default device permissions
net/sched: sch_ets: don't peek at classes beyond 'nbands'
net: stmmac: Disable Tx queues when reconfiguring the interface
selftests: tls: test for correct proto_ops
tls: fix replacing proto_ops
...
|
||
|
Linus Torvalds
|
5367cf1c3a |
ACPI fixes for 5.16-rc3
- Fix NULL pointer dereference in the CPPC library code occuring
on hybrid systems without CPPC support (Rafael Wysocki).
- Avoid attempts to acquire a semaphore with interrupts off when
printing the names of ACPI device nodes and clean up code on
top of that fix (Sakari Ailus).
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Merge tag 'acpi-5.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix a NULL pointer dereference in the CPPC library code and a
locking issue related to printing the names of ACPI device nodes in
the device properties framework.
Specifics:
- Fix NULL pointer dereference in the CPPC library code occuring on
hybrid systems without CPPC support (Rafael Wysocki).
- Avoid attempts to acquire a semaphore with interrupts off when
printing the names of ACPI device nodes and clean up code on top of
that fix (Sakari Ailus)"
* tag 'acpi-5.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: CPPC: Add NULL pointer check to cppc_get_perf()
ACPI: Make acpi_node_get_parent() local
ACPI: Get acpi_device's parent from the parent field
|
||
Vladimir Oltean
|
ec15baec32 |
net: ptp: add a definition for the UDP port for IEEE 1588 general messages
As opposed to event messages (Sync, PdelayReq etc) which require timestamping, general messages (Announce, FollowUp etc) do not. In PTP they are part of different streams of data. IEEE 1588-2008 Annex D.2 "UDP port numbers" states that the UDP destination port assigned by IANA is 319 for event messages, and 320 for general messages. Yet the kernel seems to be missing the definition for general messages. This patch adds it. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Vladimir Oltean
|
95706be13b |
net: mscc: ocelot: create a function that replaces an existing VCAP filter
VCAP (Versatile Content Aware Processor) is the TCAM-based engine behind tc flower offload on ocelot, among other things. The ingress port mask on which VCAP rules match is present as a bit field in the actual key of the rule. This means that it is possible for a rule to be shared among multiple source ports. When the rule is added one by one on each desired port, that the ingress port mask of the key must be edited and rewritten to hardware. But the API in ocelot_vcap.c does not allow for this. For one thing, ocelot_vcap_filter_add() and ocelot_vcap_filter_del() are not symmetric, because ocelot_vcap_filter_add() works with a preallocated and prepopulated filter and programs it to hardware, and ocelot_vcap_filter_del() does both the job of removing the specified filter from hardware, as well as kfreeing it. That is to say, the only option of editing a filter in place, which is to delete it, modify the structure and add it back, does not work because it results in use-after-free. This patch introduces ocelot_vcap_filter_replace, which trivially reprograms a VCAP entry to hardware, at the exact same index at which it existed before, without modifying any list or allocating any memory. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Linus Torvalds
|
6b54698aec |
xen: branch for v5.16-rc3
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRTLbB6QfY48x44uB6AXGG7T9hjvgUCYaD8mwAKCRCAXGG7T9hj vspAAPwLA5SUorji33PTetwmcpLcoRJ3Q4HAPz+bOPdm9iL/PgD/V8MtxFrFebBs AJoa+GmBarUNn7XCqKnCcA64iXhrpQw= =6GY3 -----END PGP SIGNATURE----- Merge tag 'for-linus-5.16c-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen fixes from Juergen Gross: - Kconfig fix to make it possible to control building of the privcmd driver - three fixes for issues identified by the kernel test robot - a five-patch series to simplify timeout handling for Xen PV driver initialization - two patches to fix error paths in xenstore/xenbus driver initialization * tag 'for-linus-5.16c-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen: make HYPERVISOR_set_debugreg() always_inline xen: make HYPERVISOR_get_debugreg() always_inline xen: detect uninitialized xenbus in xenbus_init xen: flag xen_snd_front to be not essential for system boot xen: flag pvcalls-front to be not essential for system boot xen: flag hvc_xen to be not essential for system boot xen: flag xen_drm_front to be not essential for system boot xen: add "not_essential" flag to struct xenbus_driver xen/pvh: add missing prototype to header xen: don't continue xenstore initialization in case of errors xen/privcmd: make option visible in Kconfig |
||
|
Linus Torvalds
|
79941493ff |
Fixes for 5.16 folios:
- Fix compilation warnings on csky and sparc
- Rename multipage folios to large folios
- Rename AS_THP_SUPPORT and FS_THP_SUPPORT
- Add functions to zero portions of a folio
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Merge tag 'folio-5.16b' of git://git.infradead.org/users/willy/pagecache
Pull folio fixes from Matthew Wilcox:
"In the course of preparing the folio changes for iomap for next merge
window, we discovered some problems that would be nice to address now:
- Renaming multi-page folios to large folios.
mapping_multi_page_folio_support() is just a little too long, so we
settled on mapping_large_folio_support(). That meant renaming, eg
folio_test_multi() to folio_test_large().
Rename AS_THP_SUPPORT to match
- I hadn't included folio wrappers for zero_user_segments(), etc.
Also, multi-page^W^W large folio support is now independent of
CONFIG_TRANSPARENT_HUGEPAGE, so machines with HIGHMEM always need
to fall back to the out-of-line zero_user_segments().
Remove FS_THP_SUPPORT to match
- The build bots finally got round to telling me that I missed a
couple of architectures when adding flush_dcache_folio(). Christoph
suggested that we just add linux/cacheflush.h and not rely on
asm-generic/cacheflush.h"
* tag 'folio-5.16b' of git://git.infradead.org/users/willy/pagecache:
mm: Add functions to zero portions of a folio
fs: Rename AS_THP_SUPPORT and mapping_thp_support
fs: Remove FS_THP_SUPPORT
mm: Remove folio_test_single
mm: Rename folio_test_multi to folio_test_large
Add linux/cacheflush.h
|
||
Takashi Iwai
|
dcd46eb7a9 |
ASoC: Fixes for v5.16
There's a large but repetitive set of fixes here for issues with the Tegra kcontrols not correctly reporting changes to userspace, a fix for some issues with matching on older x86 platforms introduced during the merge window together with a set of smaller fixes and one new system quirk. -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmGfjyoACgkQJNaLcl1U h9C4Rgf/fXw9hh2Z/lInp08+RTZ/0NHcluiCk6ku7w0ATF0RsvvDl7kwkg9893ID Zm0H+L1kiSMiOXy+uZGyAM2EpXU/m+R4JDi+nKONcJg/PIFeK7t13Tzu/J1NYF3h e2r5GXyLpXJC4en8EuA/OJm3w8thdOm0Qrindpw2Sgc13JJCGtlQOw08f6kAidX0 58kbBMZB5Ofet9L4LMRWNt5fRgMzP25j0GOFQt9ujwddl6Pod0aOz+zfkNF+loCW wb1FpqoeJkANfkKEtopYhKu7uK7XsU727jL6tXVnBz7PKkcVrKWCu1Iek3YbT89u LAmfbiMtxKI380H9hEHUZ3YgMrRSDg== =ngct -----END PGP SIGNATURE----- Merge tag 'asoc-fix-v5.16-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus ASoC: Fixes for v5.16 There's a large but repetitive set of fixes here for issues with the Tegra kcontrols not correctly reporting changes to userspace, a fix for some issues with matching on older x86 platforms introduced during the merge window together with a set of smaller fixes and one new system quirk. |
||
Jakub Kicinski
|
48a78f501f |
Merge tag 'ieee802154-for-net-2021-11-24' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan
Stefan Schmidt says: ==================== pull-request: ieee802154 for net 2021-11-24 A fix from Alexander which has been brought up various times found by automated checkers. Make sure values are in u32 range. * tag 'ieee802154-for-net-2021-11-24' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan: net: ieee802154: handle iftypes as u32 ==================== Link: https://lore.kernel.org/r/20211124150934.3670248-1-stefan@datenfreihafen.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
Michael S. Tsirkin
|
f124034faa |
Revert "virtio_ring: validate used buffer length"
This reverts commit
|
||
|
Linus Torvalds
|
740bebf421 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Jiri Kosina: - fix for Intel-ISH driver to make sure it gets aoutoloaded only on matching devices and not universally (Thomas Weißschuh) - fix for Wacom driver reporting invalid contact under certain circumstances (Jason Gerecke) - probing fix for ft260 dirver (Michael Zaidman) - fix for generic keycode remapping (Thomas Weißschuh) - fix for division by zero in hid-magicmouse (Claudia Pellegrino) - other tiny assorted fixes and new device IDs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: HID: multitouch: Fix Iiyama ProLite T1931SAW (0eef:0001 again!) HID: nintendo: eliminate dead datastructures in !CONFIG_NINTENDO_FF case HID: magicmouse: prevent division by 0 on scroll HID: thrustmaster: fix sparse warnings HID: Ignore battery for Elan touchscreen on HP Envy X360 15-eu0xxx HID: input: set usage type to key on keycode remap HID: input: Fix parsing of HID_CP_CONSUMER_CONTROL fields HID: ft260: fix i2c probing for hwmon devices Revert "HID: hid-asus.c: Maps key 0x35 (display off) to KEY_SCREENLOCK" HID: intel-ish-hid: fix module device-id handling mod_devicetable: fix kdocs for ishtp_device_id HID: wacom: Use "Confidence" flag to prevent reporting invalid contacts HID: nintendo: unlock on error in joycon_leds_create() platform/x86: isthp_eclite: only load for matching devices platform/chrome: chros_ec_ishtp: only load for matching devices HID: intel-ish-hid: hid-client: only load for matching devices HID: intel-ish-hid: fw-loader: only load for matching devices HID: intel-ish-hid: use constants for modaliases HID: intel-ish-hid: add support for MODULE_DEVICE_TABLE() |
||
Juergen Gross
|
37a72b08a3 |
xen: add "not_essential" flag to struct xenbus_driver
When booting the xenbus driver will wait for PV devices to have connected to their backends before continuing. The timeout is different between essential and non-essential devices. Non-essential devices are identified by their nodenames directly in the xenbus driver, which requires to update this list in case a new device type being non-essential is added (this was missed for several types in the past). In order to avoid this problem, add a "not_essential" flag to struct xenbus_driver which can be set to "true" by the respective frontend. Set this flag for the frontends currently regarded to be not essential (vkbs and vfb) and use it for testing in the xenbus driver. Signed-off-by: Juergen Gross <jgross@suse.com> Link: https://lore.kernel.org/r/20211022064800.14978-2-jgross@suse.com Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> |
||
Sakari Ailus
|
985e9ece1e |
ACPI: Make acpi_node_get_parent() local
acpi_node_get_parent() isn't used outside drivers/acpi/property.c. Make it local. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
||
Nikolay Aleksandrov
|
8837cbbf85 |
net: ipv6: add fib6_nh_release_dsts stub
We need a way to release a fib6_nh's per-cpu dsts when replacing
nexthops otherwise we can end up with stale per-cpu dsts which hold net
device references, so add a new IPv6 stub called fib6_nh_release_dsts.
It must be used after an RCU grace period, so no new dsts can be created
through a group's nexthop entry.
Similar to fib6_nh_release it shouldn't be used if fib6_nh_init has failed
so it doesn't need a dummy stub when IPv6 is not enabled.
Fixes:
|
||
Hans de Goede
|
28c916ade1 |
ASoC: soc-acpi: Set mach->id field on comp_ids matches
Commit |
||
Andrzej Pietrasiewicz
|
3e3b1fb0e5 |
media: Add VP9 v4l2 library
Provide code common to vp9 drivers in one central location. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com> Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> |
||
|
Andrzej Pietrasiewicz
|
b88dbe38dc |
media: uapi: Add VP9 stateless decoder controls
Add the VP9 stateless decoder controls plus the documentation that goes with it. Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Co-developed-by: Ezequiel Garcia <ezequiel@collabora.com> Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com> Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com> Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com> Co-developed-by: Daniel Almeida <daniel.almeida@collabora.com> Signed-off-by: Daniel Almeida <daniel.almeida@collabora.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> |
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|
Linus Torvalds
|
923dcc5eb0 |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton: "15 patches. Subsystems affected by this patch series: ipc, hexagon, mm (swap, slab-generic, kmemleak, hugetlb, kasan, damon, and highmem), and proc" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: proc/vmcore: fix clearing user buffer by properly using clear_user() kmap_local: don't assume kmap PTEs are linear arrays in memory mm/damon/dbgfs: fix missed use of damon_dbgfs_lock mm/damon/dbgfs: use '__GFP_NOWARN' for user-specified size buffer allocation kasan: test: silence intentional read overflow warnings hugetlb, userfaultfd: fix reservation restore on userfaultfd error hugetlb: fix hugetlb cgroup refcounting during mremap mm: kmemleak: slob: respect SLAB_NOLEAKTRACE flag hexagon: ignore vmlinux.lds hexagon: clean up timer-regs.h hexagon: export raw I/O routines for modules mm: emit the "free" trace report before freeing memory in kmem_cache_free() shm: extend forced shm destroy to support objects from several IPC nses ipc: WARN if trying to remove ipc object which is absent mm/swap.c:put_pages_list(): reinitialise the page list |
||
|
Linus Torvalds
|
b100274c70 |
Pin control fixes for the v5.16 kernel series:
- Fix some stubs causing compile issues for ACPI.
- Fix some wakeups on AMD IRQs shared between GPIO and SCI.
- Fix a build warning in the Tegra driver.
- Fix a Kconfig issue in the Qualcomm driver.
- Add a missing include the RALink driver.
- Return a valid type for the Apple pinctrl IRQs.
- Implement some Qualcomm SDM845 dual-edge errata.
- Remove the unused <linux/sdb.h> header. (The subsystem was
once deleted by the pinctrl maintainer...)
- Fix a duplicate initialized in the Tegra driver.
- Fix register offsets for UFS and SDC in the Qualcomm SM8350
driver.
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Merge tag 'pinctrl-v5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"There is an ACPI stubs fix which is ACKed by the ACPI maintainer for
merging through my tree.
One item stand out and that is that I delete the <linux/sdb.h> header
that is used by nothing. I deleted this subsystem (through the GPIO
tree) a while back so I feel responsible for tidying up the floor.
Other than that it is the usual mistakes, a bit noisy around build
issue and Kconfig then driver fixes.
Specifics:
- Fix some stubs causing compile issues for ACPI.
- Fix some wakeups on AMD IRQs shared between GPIO and SCI.
- Fix a build warning in the Tegra driver.
- Fix a Kconfig issue in the Qualcomm driver.
- Add a missing include the RALink driver.
- Return a valid type for the Apple pinctrl IRQs.
- Implement some Qualcomm SDM845 dual-edge errata.
- Remove the unused <linux/sdb.h> header. (The subsystem was once
deleted by the pinctrl maintainer...)
- Fix a duplicate initialized in the Tegra driver.
- Fix register offsets for UFS and SDC in the Qualcomm SM8350 driver"
* tag 'pinctrl-v5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: qcom: sm8350: Correct UFS and SDC offsets
pinctrl: tegra194: remove duplicate initializer again
Remove unused header <linux/sdb.h>
pinctrl: qcom: sdm845: Enable dual edge errata
pinctrl: apple: Always return valid type in apple_gpio_irq_type
pinctrl: ralink: include 'ralink_regs.h' in 'pinctrl-mt7620.c'
pinctrl: qcom: fix unmet dependencies on GPIOLIB for GPIOLIB_IRQCHIP
pinctrl: tegra: Return const pointer from tegra_pinctrl_get_group()
pinctrl: amd: Fix wakeups when IRQ is shared with SCI
ACPI: Add stubs for wakeup handler functions
|
||
Bui Quang Minh
|
afe041c2d0 |
hugetlb: fix hugetlb cgroup refcounting during mremap
When hugetlb_vm_op_open() is called during copy_vma(), we may take the
reference to resv_map->css. Later, when clearing the reservation
pointer of old_vma after transferring it to new_vma, we forget to drop
the reference to resv_map->css. This leads to a reference leak of css.
Fixes this by adding a check to drop reservation css reference in
clear_vma_resv_huge_pages()
Link: https://lkml.kernel.org/r/20211113154412.91134-1-minhquangbui99@gmail.com
Fixes:
|
||
Alexander Mikhalitsyn
|
85b6d24646 |
shm: extend forced shm destroy to support objects from several IPC nses
Currently, the exit_shm() function not designed to work properly when
task->sysvshm.shm_clist holds shm objects from different IPC namespaces.
This is a real pain when sysctl kernel.shm_rmid_forced = 1, because it
leads to use-after-free (reproducer exists).
This is an attempt to fix the problem by extending exit_shm mechanism to
handle shm's destroy from several IPC ns'es.
To achieve that we do several things:
1. add a namespace (non-refcounted) pointer to the struct shmid_kernel
2. during new shm object creation (newseg()/shmget syscall) we
initialize this pointer by current task IPC ns
3. exit_shm() fully reworked such that it traverses over all shp's in
task->sysvshm.shm_clist and gets IPC namespace not from current task
as it was before but from shp's object itself, then call
shm_destroy(shp, ns).
Note: We need to be really careful here, because as it was said before
(1), our pointer to IPC ns non-refcnt'ed. To be on the safe side we
using special helper get_ipc_ns_not_zero() which allows to get IPC ns
refcounter only if IPC ns not in the "state of destruction".
Q/A
Q: Why can we access shp->ns memory using non-refcounted pointer?
A: Because shp object lifetime is always shorther than IPC namespace
lifetime, so, if we get shp object from the task->sysvshm.shm_clist
while holding task_lock(task) nobody can steal our namespace.
Q: Does this patch change semantics of unshare/setns/clone syscalls?
A: No. It's just fixes non-covered case when process may leave IPC
namespace without getting task->sysvshm.shm_clist list cleaned up.
Link: https://lkml.kernel.org/r/67bb03e5-f79c-1815-e2bf-949c67047418@colorfullife.com
Link: https://lkml.kernel.org/r/20211109151501.4921-1-manfred@colorfullife.com
Fixes:
|
||
|
Linus Torvalds
|
7af959b5d5 |
Merge branch 'SA_IMMUTABLE-fixes-for-v5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull exit-vs-signal handling fixes from Eric Biederman: "This is a small set of changes where debuggers were no longer able to intercept synchronous SIGTRAP and SIGSEGV, introduced by the exit cleanups. This is essentially the change you suggested with all of i's dotted and the t's crossed so that ptrace can intercept all of the cases it has been able to intercept the past, and all of the cases that made it to exit without giving ptrace a chance still don't give ptrace a chance" * 'SA_IMMUTABLE-fixes-for-v5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: signal: Replace force_fatal_sig with force_exit_sig when in doubt signal: Don't always set SA_IMMUTABLE for forced signals |
||
|
Linus Torvalds
|
a8b5f8f26d |
RDMA v5.16 first rc pull request
There are a few big regressions items from the merge window suggesting that people are testing rc1's but not testing the for-next branches: - Warnings fixes - Crash in hf1 when creating QPs and setting counters - Some old mlx4 cards fail to probe due to missing counters - Syzkaller crash in the new counters code -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEfB7FMLh+8QxL+6i3OG33FX4gmxoFAmGX2I8ACgkQOG33FX4g mxrAcw/+MDgpEMXpY/NhuXvSOIXTYRPMjJA3XI9vKsk8p3Lvrmlxms3w17Qk+Y7Z Xjt6NIhxAvHZ+wiQw6m3zuDgmtq9SQcPQ8Jgbp7MiYbXYX7B8ueAqEZOyIcGBuij Dq2cnxST4kDpF58XIB30jXZqmAPrZOOOd2Cl40ipmmHAdahdew9nojfW7cXups3t A2SH84hk9p9p8141p9srJpdFo1EtvrCa5ddV/Agkq6m1XYULmUiqiItxsDQ6dvpy vUipmvoRGjokY0xb1L76wmTTxqR6k+0bbSLvZTZfu827mpp0fTNbAEcYFaKZGa9T Dbrcun3qNnpRmm9CSFdHzs+tKUDrCWu47ZEqSeFzLcTlZgDfdhrIZ545fnQSx9xJ YsI1VhO957OlD/3lBdsvPxg/ZG+N7BOJLKxSvYuzUZHAxBGoPORoC2qKsq5EO7wR YCDzs5APgT5A45NxLZhrW7cr8C/Y/TxQ7rclGwcNn9lUkwkvA3NSQ4lZsBSid57o WLWZlLAVFk3MnGwEp2WSdUju1wMTfmXT7TaCU4pNSSATfMhHtTXXFD987M71HTen 7ojZpAHTfJVk7Pcv4iXP/Z5Q8MZT/ujiVaeafOqOCwRxDdsGi3IRc9dY0RsXwIVk j7Lgfzg6HIRK6OTHXF7FPhnzy79y4CiOxI1VA0+IEflP+8AsIm8= =akCH -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma Pull rdma fixes from Jason Gunthorpe: "There are a few big regression items from the merge window suggesting that people are testing rc1's but not testing the for-next branches: - Warnings fixes - Crash in hf1 when creating QPs and setting counters - Some old mlx4 cards fail to probe due to missing counters - Syzkaller crash in the new counters code" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: MAINTAINERS: Update for VMware PVRDMA driver RDMA/nldev: Check stat attribute before accessing it RDMA/mlx4: Do not fail the registration on port stats IB/hfi1: Properly allocate rdma counter desc memory RDMA/core: Set send and receive CQ before forwarding to the driver RDMA/netlink: Add __maybe_unused to static inline in C file |
||
Lukas Middendorf
|
98a1ca2976 |
media: media dvb_frontend: add suspend and resume callbacks to dvb_frontend_ops
While dvb_tuner_ops already has dedicated suspend and resume callbacks, dvb_frontend_ops currently does not have them. Add those callbacks and use them for suspend and resume. If they are not set, the old behavior of calling sleep or init is used. This allows dvb_frontend drivers to handle resume differently from init, and suspend differently from sleep. No change is required for drivers not needing this functionality. Link: https://lore.kernel.org/linux-media/20210418001204.7453-2-kernel@tuxforce.de Cc: Lukas Middendorf <kernel@tuxforce.de>, Antti Palosaari <crope@iki.fi>, Mauro Carvalho Chehab <mchehab@kernel.org>, Luis Chamberlain <mcgrof@kernel.org> Signed-off-by: Lukas Middendorf <kernel@tuxforce.de> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> |
||
Eric W. Biederman
|
fcb116bc43 |
signal: Replace force_fatal_sig with force_exit_sig when in doubt
Recently to prevent issues with SECCOMP_RET_KILL and similar signals being changed before they are delivered SA_IMMUTABLE was added. Unfortunately this broke debuggers[1][2] which reasonably expect to be able to trap synchronous SIGTRAP and SIGSEGV even when the target process is not configured to handle those signals. Add force_exit_sig and use it instead of force_fatal_sig where historically the code has directly called do_exit. This has the implementation benefits of going through the signal exit path (including generating core dumps) without the danger of allowing userspace to ignore or change these signals. This avoids userspace regressions as older kernels exited with do_exit which debuggers also can not intercept. In the future is should be possible to improve the quality of implementation of the kernel by changing some of these force_exit_sig calls to force_fatal_sig. That can be done where it matters on a case-by-case basis with careful analysis. Reported-by: Kyle Huey <me@kylehuey.com> Reported-by: kernel test robot <oliver.sang@intel.com> [1] https://lkml.kernel.org/r/CAP045AoMY4xf8aC_4QU_-j7obuEPYgTcnQQP3Yxk=2X90jtpjw@mail.gmail.com [2] https://lkml.kernel.org/r/20211117150258.GB5403@xsang-OptiPlex-9020 Fixes: |
||
|
Linus Torvalds
|
8d0112ac6f |
Networking fixes for 5.16-rc2, including fixes from bpf, mac80211.
Current release - regressions:
- devlink: don't throw an error if flash notification sent before
devlink visible
- page_pool: Revert "page_pool: disable dma mapping support...",
turns out there are active arches who need it
Current release - new code bugs:
- amt: cancel delayed_work synchronously in amt_fini()
Previous releases - regressions:
- xsk: fix crash on double free in buffer pool
- bpf: fix inner map state pruning regression causing program
rejections
- mac80211: drop check for DONT_REORDER in __ieee80211_select_queue,
preventing mis-selecting the best effort queue
- mac80211: do not access the IV when it was stripped
- mac80211: fix radiotap header generation, off-by-one
- nl80211: fix getting radio statistics in survey dump
- e100: fix device suspend/resume
Previous releases - always broken:
- tcp: fix uninitialized access in skb frags array for Rx 0cp
- bpf: fix toctou on read-only map's constant scalar tracking
- bpf: forbid bpf_ktime_get_coarse_ns and bpf_timer_* in tracing progs
- tipc: only accept encrypted MSG_CRYPTO msgs
- smc: transfer remaining wait queue entries during fallback,
fix missing wake ups
- udp: validate checksum in udp_read_sock() (when sockmap is used)
- sched: act_mirred: drop dst for the direction from egress to ingress
- virtio_net_hdr_to_skb: count transport header in UFO, prevent
allowing bad skbs into the stack
- nfc: reorder the logic in nfc_{un,}register_device, fix unregister
- ipsec: check return value of ipv6_skip_exthdr
- usb: r8152: add MAC passthrough support for more Lenovo Docks
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf, mac80211.
Current release - regressions:
- devlink: don't throw an error if flash notification sent before
devlink visible
- page_pool: Revert "page_pool: disable dma mapping support...",
turns out there are active arches who need it
Current release - new code bugs:
- amt: cancel delayed_work synchronously in amt_fini()
Previous releases - regressions:
- xsk: fix crash on double free in buffer pool
- bpf: fix inner map state pruning regression causing program
rejections
- mac80211: drop check for DONT_REORDER in __ieee80211_select_queue,
preventing mis-selecting the best effort queue
- mac80211: do not access the IV when it was stripped
- mac80211: fix radiotap header generation, off-by-one
- nl80211: fix getting radio statistics in survey dump
- e100: fix device suspend/resume
Previous releases - always broken:
- tcp: fix uninitialized access in skb frags array for Rx 0cp
- bpf: fix toctou on read-only map's constant scalar tracking
- bpf: forbid bpf_ktime_get_coarse_ns and bpf_timer_* in tracing
progs
- tipc: only accept encrypted MSG_CRYPTO msgs
- smc: transfer remaining wait queue entries during fallback, fix
missing wake ups
- udp: validate checksum in udp_read_sock() (when sockmap is used)
- sched: act_mirred: drop dst for the direction from egress to
ingress
- virtio_net_hdr_to_skb: count transport header in UFO, prevent
allowing bad skbs into the stack
- nfc: reorder the logic in nfc_{un,}register_device, fix unregister
- ipsec: check return value of ipv6_skip_exthdr
- usb: r8152: add MAC passthrough support for more Lenovo Docks"
* tag 'net-5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (96 commits)
ptp: ocp: Fix a couple NULL vs IS_ERR() checks
net: ethernet: dec: tulip: de4x5: fix possible array overflows in type3_infoblock()
net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound
ipv6: check return value of ipv6_skip_exthdr
e100: fix device suspend/resume
devlink: Don't throw an error if flash notification sent before devlink visible
page_pool: Revert "page_pool: disable dma mapping support..."
ethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port()
octeontx2-af: debugfs: don't corrupt user memory
NFC: add NCI_UNREG flag to eliminate the race
NFC: reorder the logic in nfc_{un,}register_device
NFC: reorganize the functions in nci_request
tipc: check for null after calling kmemdup
i40e: Fix display error code in dmesg
i40e: Fix creation of first queue by omitting it if is not power of two
i40e: Fix warning message and call stack during rmmod i40e driver
i40e: Fix ping is lost after configuring ADq on VF
i40e: Fix changing previously set num_queue_pairs for PFs
i40e: Fix NULL ptr dereference on VSI filter sync
i40e: Fix correct max_pkt_size on VF RX queue
...
|
||
Matthew Wilcox (Oracle)
|
c035713998 |
mm: Add functions to zero portions of a folio
These functions are wrappers around zero_user_segments(), which means that zero_user_segments() can now be called for compound pages even when CONFIG_TRANSPARENT_HUGEPAGE is disabled. Use 'xend' as the name of the parameter to indicate that this is an excluded end, not the more usual included end. Excluding the end makes more sense to the callers, but can cause confusion to readers who are more used to seeing included ends. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <djwong@kernel.org> |