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135,929 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
98f3e84f8d |
dma-mapping fix for Linux 5.17
- fix a swiotlb info leak (Halil Pasic) -----BEGIN PGP SIGNATURE----- iQI/BAABCgApFiEEgdbnc3r/njty3Iq9D55TZVIEUYMFAmIbvm8LHGhjaEBsc3Qu ZGUACgkQD55TZVIEUYMcBg/8DD+QsKEEv+D/+bCSWZVbW1ekFDiDyEdO9xuSymxT pf56Dy693G0BoPZ1JFiN17LIOp3vsHQfwE4ZDo/OHmyDTcziepD40SZiHD3eqEDB cl7RXhAcoxnUMkgK+hIb6Q7t/4dXaC3+rVXUuL//xUjXZu7GML46tRzuDoVr9MZp MBSGdZlXIzfvpzNf+yVzpk7sZP/w4nrzyuzeE5T6fdipjN2o78PhWmZzqsHGujeI ptMuZQwwDuXXetQNiA/t0+DkeWCz/+ERI7k/6lAma14aKHjM1Jn8HcNqW0UGUuGV 148V4wKFqhaOXnoWuodrgjo9AJkOVqh+YH4ui60MMOUvZ4MPh4+5muobybzndtNy 3bAM3JbcNUH1/vyyazvwr22My/TapbydwPuXda63Ls/2WbnV66xbgFEm6S9GXC4X 6+ynK5CzWaTF5INgpd6WjrEMPXGCi0hXM9yQmJvlI1I0muFv9mBXhW/wP7OE3Na8 eQXuP/v+QqYaDVTsGTtySNPkwBstFa9GQUTghrnxKzk3giLVZfGPX5Bs4/+gl4gl rrGBNhUAnMOdvBSkLUf4hDgyGvsCiYtB1YX9QYxq2aRCbIT03164VnXB0lQRKnmz Yu547NO96tBnoIT9/gQYMTHvwPU1WjWi3jVbT2zpMKgG4DBUEEIH33P9S1vbgecY vLY= =bR6d -----END PGP SIGNATURE----- Merge tag 'dma-mapping-5.17-1' of git://git.infradead.org/users/hch/dma-mapping Pull dma-mapping fix from Christoph Hellwig: - fix a swiotlb info leak (Halil Pasic) * tag 'dma-mapping-5.17-1' of git://git.infradead.org/users/hch/dma-mapping: swiotlb: fix info leak with DMA_FROM_DEVICE |
||
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Linus Torvalds
|
2293be58d6 |
Tracing fixes for 5.17:
- rtla (Real-Time Linux Analysis tool): fix typo in man page
- rtla: Update API -e to -E before it is released
- rlla: Error message fix and memory leak fix
- Partially uninline trace event soft disable to shrink text
- Fix function graph start up test
- Have triggers affect the trace instance they are in and not top level
- Have osnoise sleep in the units it says it uses
- Remove unused ftrace stub function
- Remove event probe redundant info from event in the buffer
- Fix group ownership setting in tracefs
- Ensure trace buffer is minimum size to prevent crashes
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Merge tag 'trace-v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
- rtla (Real-Time Linux Analysis tool):
- fix typo in man page
- Update API -e to -E before it is released
- Error message fix and memory leak fix
- Partially uninline trace event soft disable to shrink text
- Fix function graph start up test
- Have triggers affect the trace instance they are in and not top level
- Have osnoise sleep in the units it says it uses
- Remove unused ftrace stub function
- Remove event probe redundant info from event in the buffer
- Fix group ownership setting in tracefs
- Ensure trace buffer is minimum size to prevent crashes
* tag 'trace-v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
rtla/osnoise: Fix error message when failing to enable trace instance
rtla/osnoise: Free params at the exit
rtla/hist: Make -E the short version of --entries
tracing: Fix selftest config check for function graph start up test
tracefs: Set the group ownership in apply_options() not parse_options()
tracing/osnoise: Make osnoise_main to sleep for microseconds
ftrace: Remove unused ftrace_startup_enable() stub
tracing: Ensure trace buffer is at least 4096 bytes large
tracing: Uninline trace_trigger_soft_disabled() partly
eprobes: Remove redundant event type information
tracing: Have traceon and traceoff trigger honor the instance
tracing: Dump stacktrace trigger to the corresponding instance
rtla: Fix systme -> system typo on man page
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Linus Torvalds
|
2800b6d0fc |
Power management fixes for 5.17-rc6
Fix the throttle IRQ handling during cpufreq initialization on Qualcomm platforms (Bjorn Andersson). -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAmIY9IwSHHJqd0Byand5 c29ja2kubmV0AAoJEILEb/54YlRxPikP/Apg+pjSPt6OaPB/LxZUbL7OMMn6YkPn YUuxvpw3zznKA/eB6KBnLiwAal5IhRyPUGBRSPq/dKNmd+7+3oJID6xAqcxBGUuI GaA2d4HAqq2k7jDDiGLCiDwIxYPHfeuW6T++dJGQ11QBM1CZYkPXKliUhi0GDFd9 j1aA6Yfo4CHKU7tN97fnCe0sGrxU7GGAUCg5S6w5CC5YRvR0uIb/+gbMwcscS0zi TLHhIARY62nUI4yciqT8enRl8rRyN/wHud2SzKP+Nvt2bktWSIzSbngHe9mxhw19 hw4kGKti/hjlppfvmx0fGRiWYvFaQcccS183WxZmAcUxWNwxB8vghNf19qsRVOIa csbi5WJ73Tnp/ZlcK4etSMXSV8rIWwhker+n5aROL7Nh29qG4vJ3C/XtJPySof+P kMv0NMLyrt4AKiVvC7ncH7XCJMCC3ypUkm27fhW4c4y2n2rv9OFNAu1ieQL2DiIK K1xRwnkO2aWsjiu8BX3UcjwooE4qvPKCCq5pMFp/7tvlwNWLss7gg2pTZF4jkL8b joboftsZqxXSZ5G9U0I18btzJtRuasvxKnpeGG74+H2bhwraqyuilLsiOrVymhyG 0CFrj6ZUKQKwhNvkSjVpHRqMT8HdI/hIkWviHfTDC95/d0ZZ2Pss9YSqKFp/BXz5 v7tRN7mHwZAw =Pi5/ -----END PGP SIGNATURE----- Merge tag 'pm-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management fixes from Rafael Wysocki: "Fix the throttle IRQ handling during cpufreq initialization on Qualcomm platforms (Bjorn Andersson)" * tag 'pm-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: qcom-hw: Delay enabling throttle_irq cpufreq: Reintroduce ready() callback |
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Linus Torvalds
|
c47658311d |
Char/Misc driver fixes for 5.17-rc6
Here are a few small driver fixes for 5.17-rc6 for reported issues. The majority of these are IIO fixes for small things, and the other two are a mvmem and mtd core conflict fix. All of these have been in linux-next with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYhjVGA8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ymtYQCgwSOl1N4iPmv2lpaHmofd+BF4frgAn1DJ0q/A OCG5siwdf3wMxPjL9HIC =AUOQ -----END PGP SIGNATURE----- Merge tag 'char-misc-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fixes from Greg KH: "Here are a few small driver fixes for 5.17-rc6 for reported issues. The majority of these are IIO fixes for small things, and the other two are a mvmem and mtd core conflict fix. All of these have been in linux-next with no reported issues" * tag 'char-misc-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: mtd: core: Fix a conflict between MTD and NVMEM on wp-gpios property nvmem: core: Fix a conflict between MTD and NVMEM on wp-gpios property iio: imu: st_lsm6dsx: wait for settling time in st_lsm6dsx_read_oneshot iio: Fix error handling for PM iio: addac: ad74413r: correct comparator gpio getters mask usage iio: addac: ad74413r: use ngpio size when iterating over mask iio: addac: ad74413r: Do not reference negative array offsets iio: adc: men_z188_adc: Fix a resource leak in an error handling path iio: frequency: admv1013: remove the always true condition iio: accel: fxls8962af: add padding to regmap for SPI iio:imu:adis16480: fix buffering for devices with no burst mode iio: adc: ad7124: fix mask used for setting AIN_BUFP & AIN_BUFM bits iio: adc: tsc2046: fix memory corruption by preventing array overflow |
||
Christophe Leroy
|
bc82c38a69 |
tracing: Uninline trace_trigger_soft_disabled() partly
On a powerpc32 build with CONFIG_CC_OPTIMISE_FOR_SIZE, the inline keyword is not honored and trace_trigger_soft_disabled() appears approx 50 times in vmlinux. Adding -Winline to the build, the following message appears: ./include/linux/trace_events.h:712:1: error: inlining failed in call to 'trace_trigger_soft_disabled': call is unlikely and code size would grow [-Werror=inline] That function is rather big for an inlined function: c003df60 <trace_trigger_soft_disabled>: c003df60: 94 21 ff f0 stwu r1,-16(r1) c003df64: 7c 08 02 a6 mflr r0 c003df68: 90 01 00 14 stw r0,20(r1) c003df6c: bf c1 00 08 stmw r30,8(r1) c003df70: 83 e3 00 24 lwz r31,36(r3) c003df74: 73 e9 01 00 andi. r9,r31,256 c003df78: 41 82 00 10 beq c003df88 <trace_trigger_soft_disabled+0x28> c003df7c: 38 60 00 00 li r3,0 c003df80: 39 61 00 10 addi r11,r1,16 c003df84: 4b fd 60 ac b c0014030 <_rest32gpr_30_x> c003df88: 73 e9 00 80 andi. r9,r31,128 c003df8c: 7c 7e 1b 78 mr r30,r3 c003df90: 41 a2 00 14 beq c003dfa4 <trace_trigger_soft_disabled+0x44> c003df94: 38 c0 00 00 li r6,0 c003df98: 38 a0 00 00 li r5,0 c003df9c: 38 80 00 00 li r4,0 c003dfa0: 48 05 c5 f1 bl c009a590 <event_triggers_call> c003dfa4: 73 e9 00 40 andi. r9,r31,64 c003dfa8: 40 82 00 28 bne c003dfd0 <trace_trigger_soft_disabled+0x70> c003dfac: 73 ff 02 00 andi. r31,r31,512 c003dfb0: 41 82 ff cc beq c003df7c <trace_trigger_soft_disabled+0x1c> c003dfb4: 80 01 00 14 lwz r0,20(r1) c003dfb8: 83 e1 00 0c lwz r31,12(r1) c003dfbc: 7f c3 f3 78 mr r3,r30 c003dfc0: 83 c1 00 08 lwz r30,8(r1) c003dfc4: 7c 08 03 a6 mtlr r0 c003dfc8: 38 21 00 10 addi r1,r1,16 c003dfcc: 48 05 6f 6c b c0094f38 <trace_event_ignore_this_pid> c003dfd0: 38 60 00 01 li r3,1 c003dfd4: 4b ff ff ac b c003df80 <trace_trigger_soft_disabled+0x20> However it is located in a hot path so inlining it is important. But forcing inlining of the entire function by using __always_inline leads to increasing the text size by approx 20 kbytes. Instead, split the fonction in two parts, one part with the likely fast path, flagged __always_inline, and a second part out of line. With this change, on a powerpc32 with CONFIG_CC_OPTIMISE_FOR_SIZE vmlinux text increases by only 1,4 kbytes, which is partly compensated by a decrease of vmlinux data by 7 kbytes. On ppc64_defconfig which has CONFIG_CC_OPTIMISE_FOR_SPEED, this change reduces vmlinux text by more than 30 kbytes. Link: https://lkml.kernel.org/r/69ce0986a52d026d381d612801d978aa4f977460.1644563295.git.christophe.leroy@csgroup.eu Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> |
||
|
Linus Torvalds
|
1f840c0ef4 |
x86 host:
* Expose KVM_CAP_ENABLE_CAP since it is supported * Disable KVM_HC_CLOCK_PAIRING in TSC catchup mode * Ensure async page fault token is nonzero * Fix lockdep false negative * Fix FPU migration regression from the AMX changes x86 guest: * Don't use PV TLB/IPI/yield on uniprocessor guests PPC: * reserve capability id (topic branch for ppc/kvm) -----BEGIN PGP SIGNATURE----- iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmIXyQAUHHBib256aW5p QHJlZGhhdC5jb20ACgkQv/vSX3jHroPKJQf/T9NeXOFIPIIlH4ZKM7155qlwX8dx NR2YV+RNYd27MDkaEm9w4ucXacGpPuBPPx9v7UiLlAqAN+NP7nF3rQKC0SpQMC6H EKFtm+8al8EzyDYP36fqnwDne/xWHlOeGXRRJMKPGhXBSoXoY5cK35IXmNZjfteQ hK7siBs2saJ2VFqMCbJ9Pqdu1NDO6OEt8HWz2Dnx6EUd90O0pHWZy5JvWOYfyLjL Y2pP0dZQxuB/PmqkpVj2gV9jK2Zhj33eerzDV4tVXPV7le8fgGeTaJ8ft+SUIizS YCcPR89+u5c9yzlwY2i7mvloayKnuqkECiGtRG6VHNlrPZTPijems8tH1w== =lWjy -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull kvm fixes from Paolo Bonzini: "x86 host: - Expose KVM_CAP_ENABLE_CAP since it is supported - Disable KVM_HC_CLOCK_PAIRING in TSC catchup mode - Ensure async page fault token is nonzero - Fix lockdep false negative - Fix FPU migration regression from the AMX changes x86 guest: - Don't use PV TLB/IPI/yield on uniprocessor guests PPC: - reserve capability id (topic branch for ppc/kvm)" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: x86: nSVM: disallow userspace setting of MSR_AMD64_TSC_RATIO to non default value when tsc scaling disabled KVM: x86/mmu: make apf token non-zero to fix bug KVM: PPC: reserve capability 210 for KVM_CAP_PPC_AIL_MODE_3 x86/kvm: Don't use pv tlb/ipi/sched_yield if on 1 vCPU x86/kvm: Fix compilation warning in non-x86_64 builds x86/kvm/fpu: Remove kvm_vcpu_arch.guest_supported_xcr0 x86/kvm/fpu: Limit guest user_xfeatures to supported bits of XCR0 kvm: x86: Disable KVM_HC_CLOCK_PAIRING if tsc is in always catchup mode KVM: Fix lockdep false negative during host resume KVM: x86: Add KVM_CAP_ENABLE_CAP to x86 |
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Linus Torvalds
|
f672ff9123 |
Networking fixes for 5.17-rc6, including fixes from bpf and netfilter.
Current release - regressions:
- bpf: fix crash due to out of bounds access into reg2btf_ids
- mvpp2: always set port pcs ops, avoid null-deref
- eth: marvell: fix driver load from initrd
- eth: intel: revert "Fix reset bw limit when DCB enabled with 1 TC"
Current release - new code bugs:
- mptcp: fix race in overlapping signal events
Previous releases - regressions:
- xen-netback: revert hotplug-status changes causing devices to
not be configured
- dsa:
- avoid call to __dev_set_promiscuity() while rtnl_mutex isn't held
- fix panic when removing unoffloaded port from bridge
- dsa: microchip: fix bridging with more than two member ports
Previous releases - always broken:
- bpf:
- fix crash due to incorrect copy_map_value when both spin lock
and timer are present in a single value
- fix a bpf_timer initialization issue with clang
- do not try bpf_msg_push_data with len 0
- add schedule points in batch ops
- nf_tables:
- unregister flowtable hooks on netns exit
- correct flow offload action array size
- fix a couple of memory leaks
- vsock: don't check owner in vhost_vsock_stop() while releasing
- gso: do not skip outer ip header in case of ipip and net_failover
- smc: use a mutex for locking "struct smc_pnettable"
- openvswitch: fix setting ipv6 fields causing hw csum failure
- mptcp: fix race in incoming ADD_ADDR option processing
- sysfs: add check for netdevice being present to speed_show
- sched: act_ct: fix flow table lookup after ct clear or switching
zones
- eth: intel: fixes for SR-IOV forwarding offloads
- eth: broadcom: fixes for selftests and error recovery
- eth: mellanox: flow steering and SR-IOV forwarding fixes
Misc:
- make __pskb_pull_tail() & pskb_carve_frag_list() drop_monitor
friends not report freed skbs as drops
- force inlining of checksum functions in net/checksum.h
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf and netfilter.
Current release - regressions:
- bpf: fix crash due to out of bounds access into reg2btf_ids
- mvpp2: always set port pcs ops, avoid null-deref
- eth: marvell: fix driver load from initrd
- eth: intel: revert "Fix reset bw limit when DCB enabled with 1 TC"
Current release - new code bugs:
- mptcp: fix race in overlapping signal events
Previous releases - regressions:
- xen-netback: revert hotplug-status changes causing devices to not
be configured
- dsa:
- avoid call to __dev_set_promiscuity() while rtnl_mutex isn't
held
- fix panic when removing unoffloaded port from bridge
- dsa: microchip: fix bridging with more than two member ports
Previous releases - always broken:
- bpf:
- fix crash due to incorrect copy_map_value when both spin lock
and timer are present in a single value
- fix a bpf_timer initialization issue with clang
- do not try bpf_msg_push_data with len 0
- add schedule points in batch ops
- nf_tables:
- unregister flowtable hooks on netns exit
- correct flow offload action array size
- fix a couple of memory leaks
- vsock: don't check owner in vhost_vsock_stop() while releasing
- gso: do not skip outer ip header in case of ipip and net_failover
- smc: use a mutex for locking "struct smc_pnettable"
- openvswitch: fix setting ipv6 fields causing hw csum failure
- mptcp: fix race in incoming ADD_ADDR option processing
- sysfs: add check for netdevice being present to speed_show
- sched: act_ct: fix flow table lookup after ct clear or switching
zones
- eth: intel: fixes for SR-IOV forwarding offloads
- eth: broadcom: fixes for selftests and error recovery
- eth: mellanox: flow steering and SR-IOV forwarding fixes
Misc:
- make __pskb_pull_tail() & pskb_carve_frag_list() drop_monitor
friends not report freed skbs as drops
- force inlining of checksum functions in net/checksum.h"
* tag 'net-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (85 commits)
net: mv643xx_eth: process retval from of_get_mac_address
ping: remove pr_err from ping_lookup
Revert "i40e: Fix reset bw limit when DCB enabled with 1 TC"
openvswitch: Fix setting ipv6 fields causing hw csum failure
ipv6: prevent a possible race condition with lifetimes
net/smc: Use a mutex for locking "struct smc_pnettable"
bnx2x: fix driver load from initrd
Revert "xen-netback: Check for hotplug-status existence before watching"
Revert "xen-netback: remove 'hotplug-status' once it has served its purpose"
net/mlx5e: Fix VF min/max rate parameters interchange mistake
net/mlx5e: Add missing increment of count
net/mlx5e: MPLSoUDP decap, fix check for unsupported matches
net/mlx5e: Fix MPLSoUDP encap to use MPLS action information
net/mlx5e: Add feature check for set fec counters
net/mlx5e: TC, Skip redundant ct clear actions
net/mlx5e: TC, Reject rules with forward and drop actions
net/mlx5e: TC, Reject rules with drop and modify hdr action
net/mlx5e: kTLS, Use CHECKSUM_UNNECESSARY for device-offloaded packets
net/mlx5e: Fix wrong return value on ioctl EEPROM query failure
net/mlx5: Fix possible deadlock on rule deletion
...
|
||
|
Linus Torvalds
|
73878e5eb1 |
block-5.17-2022-02-24
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Merge tag 'block-5.17-2022-02-24' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- NVMe pull request:
- send H2CData PDUs based on MAXH2CDATA (Varun Prakash)
- fix passthrough to namespaces with unsupported features (Christoph
Hellwig)
- Clear iocb->private at poll completion (Stefano)
* tag 'block-5.17-2022-02-24' of git://git.kernel.dk/linux-block:
nvme-tcp: send H2CData PDUs based on MAXH2CDATA
nvme: also mark passthrough-only namespaces ready in nvme_update_ns_info
nvme: don't return an error from nvme_configure_metadata
block: clear iocb->private in blkdev_bio_end_io_async()
|
||
Rafael J. Wysocki
|
c5eb92f57d |
Merge branch 'cpufreq/arm/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
Pull ARM cpufreq fixes for 5.18-rc6 from Viresh Kumar: "This fixes issues related to throttle IRQ for Qcom SoCs." * 'cpufreq/arm/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm: cpufreq: qcom-hw: Delay enabling throttle_irq cpufreq: Reintroduce ready() callback |
||
Paul Blakey
|
d9b5ae5c1b |
openvswitch: Fix setting ipv6 fields causing hw csum failure
Ipv6 ttl, label and tos fields are modified without first
pulling/pushing the ipv6 header, which would have updated
the hw csum (if available). This might cause csum validation
when sending the packet to the stack, as can be seen in
the trace below.
Fix this by updating skb->csum if available.
Trace resulted by ipv6 ttl dec and then sending packet
to conntrack [actions: set(ipv6(hlimit=63)),ct(zone=99)]:
[295241.900063] s_pf0vf2: hw csum failure
[295241.923191] Call Trace:
[295241.925728] <IRQ>
[295241.927836] dump_stack+0x5c/0x80
[295241.931240] __skb_checksum_complete+0xac/0xc0
[295241.935778] nf_conntrack_tcp_packet+0x398/0xba0 [nf_conntrack]
[295241.953030] nf_conntrack_in+0x498/0x5e0 [nf_conntrack]
[295241.958344] __ovs_ct_lookup+0xac/0x860 [openvswitch]
[295241.968532] ovs_ct_execute+0x4a7/0x7c0 [openvswitch]
[295241.979167] do_execute_actions+0x54a/0xaa0 [openvswitch]
[295242.001482] ovs_execute_actions+0x48/0x100 [openvswitch]
[295242.006966] ovs_dp_process_packet+0x96/0x1d0 [openvswitch]
[295242.012626] ovs_vport_receive+0x6c/0xc0 [openvswitch]
[295242.028763] netdev_frame_hook+0xc0/0x180 [openvswitch]
[295242.034074] __netif_receive_skb_core+0x2ca/0xcb0
[295242.047498] netif_receive_skb_internal+0x3e/0xc0
[295242.052291] napi_gro_receive+0xba/0xe0
[295242.056231] mlx5e_handle_rx_cqe_mpwrq_rep+0x12b/0x250 [mlx5_core]
[295242.062513] mlx5e_poll_rx_cq+0xa0f/0xa30 [mlx5_core]
[295242.067669] mlx5e_napi_poll+0xe1/0x6b0 [mlx5_core]
[295242.077958] net_rx_action+0x149/0x3b0
[295242.086762] __do_softirq+0xd7/0x2d6
[295242.090427] irq_exit+0xf7/0x100
[295242.093748] do_IRQ+0x7f/0xd0
[295242.096806] common_interrupt+0xf/0xf
[295242.100559] </IRQ>
[295242.102750] RIP: 0033:0x7f9022e88cbd
[295242.125246] RSP: 002b:00007f9022282b20 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffda
[295242.132900] RAX: 0000000000000005 RBX: 0000000000000010 RCX: 0000000000000000
[295242.140120] RDX: 00007f9022282ba8 RSI: 00007f9022282a30 RDI: 00007f9014005c30
[295242.147337] RBP: 00007f9014014d60 R08: 0000000000000020 R09: 00007f90254a8340
[295242.154557] R10: 00007f9022282a28 R11: 0000000000000246 R12: 0000000000000000
[295242.161775] R13: 00007f902308c000 R14: 000000000000002b R15: 00007f9022b71f40
Fixes:
|
||
|
Linus Torvalds
|
4eb0a7c8e1 |
slab fixes for 5.17-rc6
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEjUuTAak14xi+SF7M4CHKc/GJqRAFAmIV/fQACgkQ4CHKc/GJ qRBhaAgAoz81fjhlkcCaHdgxVTEx6L93iJQJiZWoE3gTKk2jruun3sIYmPSOiY+b bWR1datDnvaS/Xv04rZ6pm6XPjCT+LmrOQCOlZMjptc6HKoKuDZTvcQ0u5CYOfQS I9ZRtPaHjSmhntS8BErxGes5+PF1hz/q2rGuODt4/DQCNPZNdHXMdym9w4Z4xHXm TuH2VXzv5JXhYlUEDz2HP8LXmbvxA9rGaMgngpX92pCL8uTLqANoZCT+zHEj3cKw db6/A8S7Y4PsfF0JphNup+wcsWj+yfIrfAQwnTgNXR4hlhbUxOHTJqXlQGK/NW7C tg2nXxQQn14MwPlkatdxFYzg1TbMYg== =U6Fu -----END PGP SIGNATURE----- Merge tag 'slab-for-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab Pull slab fixes from Vlastimil Babka: - Build fix (workaround) for clang. - Fix a /proc/kcore based slabinfo script broken by struct slab changes in 5.17-rc1. * tag 'slab-for-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab: tools/cgroup/slabinfo: update to work with struct slab slab: remove __alloc_size attribute from __kmalloc_track_caller |
||
Varun Prakash
|
c2700d2886 |
nvme-tcp: send H2CData PDUs based on MAXH2CDATA
As per NVMe/TCP specification (revision 1.0a, section 3.6.2.3) Maximum Host to Controller Data length (MAXH2CDATA): Specifies the maximum number of PDU-Data bytes per H2CData PDU in bytes. This value is a multiple of dwords and should be no less than 4,096. Current code sets H2CData PDU data_length to r2t_length, it does not check MAXH2CDATA value. Fix this by setting H2CData PDU data_length to min(req->h2cdata_left, queue->maxh2cdata). Also validate MAXH2CDATA value returned by target in ICResp PDU, if it is not a multiple of dword or if it is less than 4096 return -EINVAL from nvme_tcp_init_connection(). Signed-off-by: Varun Prakash <varun@chelsio.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de> |
||
Nicholas Piggin
|
93b71801a8 |
KVM: PPC: reserve capability 210 for KVM_CAP_PPC_AIL_MODE_3
Add KVM_CAP_PPC_AIL_MODE_3 to advertise the capability to set the AIL resource mode to 3 with the H_SET_MODE hypercall. This capability differs between processor types and KVM types (PR, HV, Nested HV), and affects guest-visible behaviour. QEMU will implement a cap-ail-mode-3 to control this behaviour[1], and use the KVM CAP if available to determine KVM support[2]. Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com> Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
||
David S. Miller
|
5663b85462 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says: ==================== Netfilter fixes for net This is fixing up the use without proper initialization in patch 5/5 -o- Hi, The following patchset contains Netfilter fixes for net: 1) Missing #ifdef CONFIG_IP6_NF_IPTABLES in recent xt_socket fix. 2) Fix incorrect flow action array size in nf_tables. 3) Unregister flowtable hooks from netns exit path. 4) Fix missing limit object release, from Florian Westphal. 5) Memleak in nf_tables object update path, also from Florian. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
||
Christophe Kerello
|
f6c052afe6 |
nvmem: core: Fix a conflict between MTD and NVMEM on wp-gpios property
Wp-gpios property can be used on NVMEM nodes and the same property can
be also used on MTD NAND nodes. In case of the wp-gpios property is
defined at NAND level node, the GPIO management is done at NAND driver
level. Write protect is disabled when the driver is probed or resumed
and is enabled when the driver is released or suspended.
When no partitions are defined in the NAND DT node, then the NAND DT node
will be passed to NVMEM framework. If wp-gpios property is defined in
this node, the GPIO resource is taken twice and the NAND controller
driver fails to probe.
It would be possible to set config->wp_gpio at MTD level before calling
nvmem_register function but NVMEM framework will toggle this GPIO on
each write when this GPIO should only be controlled at NAND level driver
to ensure that the Write Protect has not been enabled.
A way to fix this conflict is to add a new boolean flag in nvmem_config
named ignore_wp. In case ignore_wp is set, the GPIO resource will
be managed by the provider.
Fixes:
|
||
Greg Kroah-Hartman
|
93dd04ab0b |
slab: remove __alloc_size attribute from __kmalloc_track_caller
Commit |
||
|
Linus Torvalds
|
0b0894ff78 |
- Fix task exposure order when forking tasks
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||
Pablo Neira Ayuso
|
b1a5983f56 |
netfilter: nf_tables_offload: incorrect flow offload action array size
immediate verdict expression needs to allocate one slot in the flow offload
action array, however, immediate data expression does not need to do so.
fwd and dup expression need to allocate one slot, this is missing.
Add a new offload_action interface to report if this expression needs to
allocate one slot in the flow offload action array.
Fixes:
|
||
|
Christophe Leroy
|
5486f5bf79 |
net: Force inlining of checksum functions in net/checksum.h
All functions defined as static inline in net/checksum.h are meant to be inlined for performance reason. But since commit |
||
Peter Zijlstra
|
b1e8206582 |
sched: Fix yet more sched_fork() races
Where commit |
||
|
Linus Torvalds
|
b9889768bd |
block-5.17-2022-02-17
-----BEGIN PGP SIGNATURE----- iQJEBAABCAAuFiEEwPw5LcreJtl1+l5K99NY+ylx4KYFAmIPE0oQHGF4Ym9lQGtl cm5lbC5kawAKCRD301j7KXHgpq56D/9yUd82CT1c9drWjbANnIuOxxOAauNwDCdH wLAz5FptjRC5ju3Ai9FzklfeXlU8SEBR4/TLp+lO8elA/NS9tOAW3+v/0pZ4oZ4G MwxnE7Zj00AiRZ60w9zcb3Vq5TTXV71kcqbcx8YAh7b8niMDow8boLBY/FkB1EZc 1pwCLjF5I5USmU8zlST5G6ctqcqHmV8TxIU3wijlYmZnkyxMo6UxqCpO5BOZRgGt S5VDvjoVDIQO757wLnaB5tA2NzEmaBG44yFoGkJqlChP7IgJrjTZQGKsqsIKLZzH Btot/FpEjRYzFdgumHxJ9Zjv/5QlzFT115H14e85CtfdeIhfifd8G4JKtPGU24IV 5p/czOP8SA8qnEL6ply6osltzA9OkQBt1xZ6JW+0lK/izcHTIxVevrD8KsNHzh2z lskEn0Sowb1viaGrwuQfWyX7xtJCX2hGOsD2gH95B4FcsPNbfp0u4uGimSYS02bB 2jJIhrhvQZTFyd/qeOGQ4MnJxoLF4Q63l+NzCqVSTBdSTJK/iGiofyqxL0WHB65L /q8J4fTEvDK6Fc3GETwHP70yoGitJ1p2+5n7uB/Ynfh7RHq/b7Ispjv5AenAyo52 2GtY476aaYMdHVOM8h1Fnc8q1Qu4vwFY3Ly23FAhmRxilAXk5roPB6TP6Q6puCKe wqdhwjgVAA== =f22m -----END PGP SIGNATURE----- Merge tag 'block-5.17-2022-02-17' of git://git.kernel.dk/linux-block Pull block fixes from Jens Axboe: - Surprise removal fix (Christoph) - Ensure that pages are zeroed before submitted for userspace IO (Haimin) - Fix blk-wbt accounting issue with BFQ (Laibin) - Use bsize for discard granularity in loop (Ming) - Fix missing zone handling in blk_complete_request() (Pankaj) * tag 'block-5.17-2022-02-17' of git://git.kernel.dk/linux-block: block/wbt: fix negative inflight counter when remove scsi device block: fix surprise removal for drivers calling blk_set_queue_dying block-map: add __GFP_ZERO flag for alloc_page in function bio_copy_kern block: loop:use kstatfs.f_bsize of backing file to set discard granularity block: Add handling for zone append command in blk_complete_request |
||
Eric Dumazet
|
a1cdec57e0 |
net-timestamp: convert sk->sk_tskey to atomic_t
UDP sendmsg() can be lockless, this is causing all kinds
of data races.
This patch converts sk->sk_tskey to remove one of these races.
BUG: KCSAN: data-race in __ip_append_data / __ip_append_data
read to 0xffff8881035d4b6c of 4 bytes by task 8877 on cpu 1:
__ip_append_data+0x1c1/0x1de0 net/ipv4/ip_output.c:994
ip_make_skb+0x13f/0x2d0 net/ipv4/ip_output.c:1636
udp_sendmsg+0x12bd/0x14c0 net/ipv4/udp.c:1249
inet_sendmsg+0x5f/0x80 net/ipv4/af_inet.c:819
sock_sendmsg_nosec net/socket.c:705 [inline]
sock_sendmsg net/socket.c:725 [inline]
____sys_sendmsg+0x39a/0x510 net/socket.c:2413
___sys_sendmsg net/socket.c:2467 [inline]
__sys_sendmmsg+0x267/0x4c0 net/socket.c:2553
__do_sys_sendmmsg net/socket.c:2582 [inline]
__se_sys_sendmmsg net/socket.c:2579 [inline]
__x64_sys_sendmmsg+0x53/0x60 net/socket.c:2579
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
write to 0xffff8881035d4b6c of 4 bytes by task 8880 on cpu 0:
__ip_append_data+0x1d8/0x1de0 net/ipv4/ip_output.c:994
ip_make_skb+0x13f/0x2d0 net/ipv4/ip_output.c:1636
udp_sendmsg+0x12bd/0x14c0 net/ipv4/udp.c:1249
inet_sendmsg+0x5f/0x80 net/ipv4/af_inet.c:819
sock_sendmsg_nosec net/socket.c:705 [inline]
sock_sendmsg net/socket.c:725 [inline]
____sys_sendmsg+0x39a/0x510 net/socket.c:2413
___sys_sendmsg net/socket.c:2467 [inline]
__sys_sendmmsg+0x267/0x4c0 net/socket.c:2553
__do_sys_sendmmsg net/socket.c:2582 [inline]
__se_sys_sendmmsg net/socket.c:2579 [inline]
__x64_sys_sendmmsg+0x53/0x60 net/socket.c:2579
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
value changed: 0x0000054d -> 0x0000054e
Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 8880 Comm: syz-executor.5 Not tainted 5.17.0-rc2-syzkaller-00167-gdcb85f85fa6f-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Fixes:
|
||
Jakub Kicinski
|
7a2fb91285 |
Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Alexei Starovoitov says: ==================== pull-request: bpf 2022-02-17 We've added 8 non-merge commits during the last 7 day(s) which contain a total of 8 files changed, 119 insertions(+), 15 deletions(-). The main changes are: 1) Add schedule points in map batch ops, from Eric. 2) Fix bpf_msg_push_data with len 0, from Felix. 3) Fix crash due to incorrect copy_map_value, from Kumar. 4) Fix crash due to out of bounds access into reg2btf_ids, from Kumar. 5) Fix a bpf_timer initialization issue with clang, from Yonghong. * https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: bpf: Add schedule points in batch ops bpf: Fix crash due to out of bounds access into reg2btf_ids. selftests: bpf: Check bpf_msg_push_data return value bpf: Fix a bpf_timer initialization issue bpf: Emit bpf_timer in vmlinux BTF selftests/bpf: Add test for bpf_timer overwriting crash bpf: Fix crash due to incorrect copy_map_value bpf: Do not try bpf_msg_push_data with len 0 ==================== Link: https://lore.kernel.org/r/20220217190000.37925-1-alexei.starovoitov@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Linus Torvalds
|
8b97cae315 |
Networking fixes for 5.17-rc5, including fixes from wireless and
netfilter.
Current release - regressions:
- dsa: lantiq_gswip: fix use after free in gswip_remove()
- smc: avoid overwriting the copies of clcsock callback functions
Current release - new code bugs:
- iwlwifi:
- fix use-after-free when no FW is present
- mei: fix the pskb_may_pull check in ipv4
- mei: retry mapping the shared area
- mvm: don't feed the hardware RFKILL into iwlmei
Previous releases - regressions:
- ipv6: mcast: use rcu-safe version of ipv6_get_lladdr()
- tipc: fix wrong publisher node address in link publications
- iwlwifi: mvm: don't send SAR GEO command for 3160 devices,
avoid FW assertion
- bgmac: make idm and nicpm resource optional again
- atl1c: fix tx timeout after link flap
Previous releases - always broken:
- vsock: remove vsock from connected table when connect is
interrupted by a signal
- ping: change destination interface checks to match raw sockets
- crypto: af_alg - get rid of alg_memory_allocated to avoid confusing
semantics (and null-deref) after SO_RESERVE_MEM was added
- ipv6: make exclusive flowlabel checks per-netns
- bonding: force carrier update when releasing slave
- sched: limit TC_ACT_REPEAT loops
- bridge: multicast: notify switchdev driver whenever MC processing
gets disabled because of max entries reached
- wifi: brcmfmac: fix crash in brcm_alt_fw_path when WLAN not found
- iwlwifi: fix locking when "HW not ready"
- phy: mediatek: remove PHY mode check on MT7531
- dsa: mv88e6xxx: flush switchdev FDB workqueue before removing VLAN
- dsa: lan9303:
- fix polarity of reset during probe
- fix accelerated VLAN handling
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from wireless and netfilter.
Current release - regressions:
- dsa: lantiq_gswip: fix use after free in gswip_remove()
- smc: avoid overwriting the copies of clcsock callback functions
Current release - new code bugs:
- iwlwifi:
- fix use-after-free when no FW is present
- mei: fix the pskb_may_pull check in ipv4
- mei: retry mapping the shared area
- mvm: don't feed the hardware RFKILL into iwlmei
Previous releases - regressions:
- ipv6: mcast: use rcu-safe version of ipv6_get_lladdr()
- tipc: fix wrong publisher node address in link publications
- iwlwifi: mvm: don't send SAR GEO command for 3160 devices, avoid FW
assertion
- bgmac: make idm and nicpm resource optional again
- atl1c: fix tx timeout after link flap
Previous releases - always broken:
- vsock: remove vsock from connected table when connect is
interrupted by a signal
- ping: change destination interface checks to match raw sockets
- crypto: af_alg - get rid of alg_memory_allocated to avoid confusing
semantics (and null-deref) after SO_RESERVE_MEM was added
- ipv6: make exclusive flowlabel checks per-netns
- bonding: force carrier update when releasing slave
- sched: limit TC_ACT_REPEAT loops
- bridge: multicast: notify switchdev driver whenever MC processing
gets disabled because of max entries reached
- wifi: brcmfmac: fix crash in brcm_alt_fw_path when WLAN not found
- iwlwifi: fix locking when "HW not ready"
- phy: mediatek: remove PHY mode check on MT7531
- dsa: mv88e6xxx: flush switchdev FDB workqueue before removing VLAN
- dsa: lan9303:
- fix polarity of reset during probe
- fix accelerated VLAN handling"
* tag 'net-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (65 commits)
bonding: force carrier update when releasing slave
nfp: flower: netdev offload check for ip6gretap
ipv6: fix data-race in fib6_info_hw_flags_set / fib6_purge_rt
ipv4: fix data races in fib_alias_hw_flags_set
net: dsa: lan9303: add VLAN IDs to master device
net: dsa: lan9303: handle hwaccel VLAN tags
vsock: remove vsock from connected table when connect is interrupted by a signal
Revert "net: ethernet: bgmac: Use devm_platform_ioremap_resource_byname"
ping: fix the dif and sdif check in ping_lookup
net: usb: cdc_mbim: avoid altsetting toggling for Telit FN990
net: sched: limit TC_ACT_REPEAT loops
tipc: fix wrong notification node addresses
net: dsa: lantiq_gswip: fix use after free in gswip_remove()
ipv6: per-netns exclusive flowlabel checks
net: bridge: multicast: notify switchdev driver whenever MC processing gets disabled
CDC-NCM: avoid overflow in sanity checking
mctp: fix use after free
net: mscc: ocelot: fix use-after-free in ocelot_vlan_del()
bonding: fix data-races around agg_select_timer
dpaa2-eth: Initialize mutex used in one step timestamping path
...
|
||
|
Eric Dumazet
|
d95d6320ba |
ipv6: fix data-race in fib6_info_hw_flags_set / fib6_purge_rt
Because fib6_info_hw_flags_set() is called without any synchronization, all accesses to gi6->offload, fi->trap and fi->offload_failed need some basic protection like READ_ONCE()/WRITE_ONCE(). BUG: KCSAN: data-race in fib6_info_hw_flags_set / fib6_purge_rt read to 0xffff8881087d5886 of 1 bytes by task 13953 on cpu 0: fib6_drop_pcpu_from net/ipv6/ip6_fib.c:1007 [inline] fib6_purge_rt+0x4f/0x580 net/ipv6/ip6_fib.c:1033 fib6_del_route net/ipv6/ip6_fib.c:1983 [inline] fib6_del+0x696/0x890 net/ipv6/ip6_fib.c:2028 __ip6_del_rt net/ipv6/route.c:3876 [inline] ip6_del_rt+0x83/0x140 net/ipv6/route.c:3891 __ipv6_dev_ac_dec+0x2b5/0x370 net/ipv6/anycast.c:374 ipv6_dev_ac_dec net/ipv6/anycast.c:387 [inline] __ipv6_sock_ac_close+0x141/0x200 net/ipv6/anycast.c:207 ipv6_sock_ac_close+0x79/0x90 net/ipv6/anycast.c:220 inet6_release+0x32/0x50 net/ipv6/af_inet6.c:476 __sock_release net/socket.c:650 [inline] sock_close+0x6c/0x150 net/socket.c:1318 __fput+0x295/0x520 fs/file_table.c:280 ____fput+0x11/0x20 fs/file_table.c:313 task_work_run+0x8e/0x110 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop kernel/entry/common.c:175 [inline] exit_to_user_mode_prepare+0x160/0x190 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 write to 0xffff8881087d5886 of 1 bytes by task 1912 on cpu 1: fib6_info_hw_flags_set+0x155/0x3b0 net/ipv6/route.c:6230 nsim_fib6_rt_hw_flags_set drivers/net/netdevsim/fib.c:668 [inline] nsim_fib6_rt_add drivers/net/netdevsim/fib.c:691 [inline] nsim_fib6_rt_insert drivers/net/netdevsim/fib.c:756 [inline] nsim_fib6_event drivers/net/netdevsim/fib.c:853 [inline] nsim_fib_event drivers/net/netdevsim/fib.c:886 [inline] nsim_fib_event_work+0x284f/0x2cf0 drivers/net/netdevsim/fib.c:1477 process_one_work+0x3f6/0x960 kernel/workqueue.c:2307 worker_thread+0x616/0xa70 kernel/workqueue.c:2454 kthread+0x2c7/0x2e0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 value changed: 0x22 -> 0x2a Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 1912 Comm: kworker/1:3 Not tainted 5.16.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_fib_event_work Fixes: |
||
Christoph Hellwig
|
7a5428dcb7 |
block: fix surprise removal for drivers calling blk_set_queue_dying
Various block drivers call blk_set_queue_dying to mark a disk as dead due to surprise removal events, but since commit |
||
Willem de Bruijn
|
0b0dff5b3b |
ipv6: per-netns exclusive flowlabel checks
Ipv6 flowlabels historically require a reservation before use. Optionally in exclusive mode (e.g., user-private). Commit |
||
|
Linus Torvalds
|
c24449b321 |
hyperv-fixes for 5.17-rc5
-----BEGIN PGP SIGNATURE----- iQFHBAABCAAxFiEEIbPD0id6easf0xsudhRwX5BBoF4FAmILjZgTHHdlaS5saXVA a2VybmVsLm9yZwAKCRB2FHBfkEGgXuPAB/96ls6ZaUrvAEseODu9N+qbCKCjqjGx LBqP5gzzG71LoFLlvvGp7quwDXkSlfzMmZM1oxBrsRN4TiexdQ4b9tR2jNqxUBS0 pR7efRpR4YN1TrvxCr0lgfbKV6F3EC4YqMwK2Tf7zMRkzAbMQmw500JTkAdtplUT opSZKlWt1Q66Iudz7vwz2e2D/NnAg03icB7lZUNulV1WTDfDfBUZyAphAnOqpty9 Y9UlVjFYSozOA6dv3HClYiJPjxhzUev88W/Sld81+2+gGCngWRT4a2OyUvCqNWXD P8EswLHuqECpkz6uxnbQOLDBgdiMXigtANNky/E4Za8r9MqpZT3+ueLf =/jBG -----END PGP SIGNATURE----- Merge tag 'hyperv-fixes-signed-20220215' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux Pull hyperv fixes from Wei Liu: - Rework use of DMA_BIT_MASK in vmbus to work around a clang bug (Michael Kelley) - Fix NUMA topology (Long Li) - Fix a memory leak in vmbus (Miaoqian Lin) - One minor clean-up patch (Cai Huoqing) * tag 'hyperv-fixes-signed-20220215' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: Drivers: hv: utils: Make use of the helper macro LIST_HEAD() Drivers: hv: vmbus: Rework use of DMA_BIT_MASK(64) Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj PCI: hv: Fix NUMA node assignment when kernel boots with custom NUMA topology |
||
|
Eric Dumazet
|
9ceaf6f76b |
bonding: fix data-races around agg_select_timer
syzbot reported that two threads might write over agg_select_timer
at the same time. Make agg_select_timer atomic to fix the races.
BUG: KCSAN: data-race in bond_3ad_initiate_agg_selection / bond_3ad_state_machine_handler
read to 0xffff8881242aea90 of 4 bytes by task 1846 on cpu 1:
bond_3ad_state_machine_handler+0x99/0x2810 drivers/net/bonding/bond_3ad.c:2317
process_one_work+0x3f6/0x960 kernel/workqueue.c:2307
worker_thread+0x616/0xa70 kernel/workqueue.c:2454
kthread+0x1bf/0x1e0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30
write to 0xffff8881242aea90 of 4 bytes by task 25910 on cpu 0:
bond_3ad_initiate_agg_selection+0x18/0x30 drivers/net/bonding/bond_3ad.c:1998
bond_open+0x658/0x6f0 drivers/net/bonding/bond_main.c:3967
__dev_open+0x274/0x3a0 net/core/dev.c:1407
dev_open+0x54/0x190 net/core/dev.c:1443
bond_enslave+0xcef/0x3000 drivers/net/bonding/bond_main.c:1937
do_set_master net/core/rtnetlink.c:2532 [inline]
do_setlink+0x94f/0x2500 net/core/rtnetlink.c:2736
__rtnl_newlink net/core/rtnetlink.c:3414 [inline]
rtnl_newlink+0xfeb/0x13e0 net/core/rtnetlink.c:3529
rtnetlink_rcv_msg+0x745/0x7e0 net/core/rtnetlink.c:5594
netlink_rcv_skb+0x14e/0x250 net/netlink/af_netlink.c:2494
rtnetlink_rcv+0x18/0x20 net/core/rtnetlink.c:5612
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x602/0x6d0 net/netlink/af_netlink.c:1343
netlink_sendmsg+0x728/0x850 net/netlink/af_netlink.c:1919
sock_sendmsg_nosec net/socket.c:705 [inline]
sock_sendmsg net/socket.c:725 [inline]
____sys_sendmsg+0x39a/0x510 net/socket.c:2413
___sys_sendmsg net/socket.c:2467 [inline]
__sys_sendmsg+0x195/0x230 net/socket.c:2496
__do_sys_sendmsg net/socket.c:2505 [inline]
__se_sys_sendmsg net/socket.c:2503 [inline]
__x64_sys_sendmsg+0x42/0x50 net/socket.c:2503
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
value changed: 0x00000050 -> 0x0000004f
Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 25910 Comm: syz-executor.1 Tainted: G W 5.17.0-rc4-syzkaller-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Fixes:
|
||
|
Eric Dumazet
|
5891cd5ec4 |
net_sched: add __rcu annotation to netdev->qdisc
syzbot found a data-race [1] which lead me to add __rcu
annotations to netdev->qdisc, and proper accessors
to get LOCKDEP support.
[1]
BUG: KCSAN: data-race in dev_activate / qdisc_lookup_rcu
write to 0xffff888168ad6410 of 8 bytes by task 13559 on cpu 1:
attach_default_qdiscs net/sched/sch_generic.c:1167 [inline]
dev_activate+0x2ed/0x8f0 net/sched/sch_generic.c:1221
__dev_open+0x2e9/0x3a0 net/core/dev.c:1416
__dev_change_flags+0x167/0x3f0 net/core/dev.c:8139
rtnl_configure_link+0xc2/0x150 net/core/rtnetlink.c:3150
__rtnl_newlink net/core/rtnetlink.c:3489 [inline]
rtnl_newlink+0xf4d/0x13e0 net/core/rtnetlink.c:3529
rtnetlink_rcv_msg+0x745/0x7e0 net/core/rtnetlink.c:5594
netlink_rcv_skb+0x14e/0x250 net/netlink/af_netlink.c:2494
rtnetlink_rcv+0x18/0x20 net/core/rtnetlink.c:5612
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x602/0x6d0 net/netlink/af_netlink.c:1343
netlink_sendmsg+0x728/0x850 net/netlink/af_netlink.c:1919
sock_sendmsg_nosec net/socket.c:705 [inline]
sock_sendmsg net/socket.c:725 [inline]
____sys_sendmsg+0x39a/0x510 net/socket.c:2413
___sys_sendmsg net/socket.c:2467 [inline]
__sys_sendmsg+0x195/0x230 net/socket.c:2496
__do_sys_sendmsg net/socket.c:2505 [inline]
__se_sys_sendmsg net/socket.c:2503 [inline]
__x64_sys_sendmsg+0x42/0x50 net/socket.c:2503
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
read to 0xffff888168ad6410 of 8 bytes by task 13560 on cpu 0:
qdisc_lookup_rcu+0x30/0x2e0 net/sched/sch_api.c:323
__tcf_qdisc_find+0x74/0x3a0 net/sched/cls_api.c:1050
tc_del_tfilter+0x1c7/0x1350 net/sched/cls_api.c:2211
rtnetlink_rcv_msg+0x5ba/0x7e0 net/core/rtnetlink.c:5585
netlink_rcv_skb+0x14e/0x250 net/netlink/af_netlink.c:2494
rtnetlink_rcv+0x18/0x20 net/core/rtnetlink.c:5612
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x602/0x6d0 net/netlink/af_netlink.c:1343
netlink_sendmsg+0x728/0x850 net/netlink/af_netlink.c:1919
sock_sendmsg_nosec net/socket.c:705 [inline]
sock_sendmsg net/socket.c:725 [inline]
____sys_sendmsg+0x39a/0x510 net/socket.c:2413
___sys_sendmsg net/socket.c:2467 [inline]
__sys_sendmsg+0x195/0x230 net/socket.c:2496
__do_sys_sendmsg net/socket.c:2505 [inline]
__se_sys_sendmsg net/socket.c:2503 [inline]
__x64_sys_sendmsg+0x42/0x50 net/socket.c:2503
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
value changed: 0xffffffff85dee080 -> 0xffff88815d96ec00
Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 13560 Comm: syz-executor.2 Not tainted 5.17.0-rc3-syzkaller-00116-gf1baf68e1383-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Fixes:
|
||
Vladimir Oltean
|
a2614140dc |
net: dsa: mv88e6xxx: flush switchdev FDB workqueue before removing VLAN
mv88e6xxx is special among DSA drivers in that it requires the VTU to contain the VID of the FDB entry it modifies in mv88e6xxx_port_db_load_purge(), otherwise it will return -EOPNOTSUPP. Sometimes due to races this is not always satisfied even if external code does everything right (first deletes the FDB entries, then the VLAN), because DSA commits to hardware FDB entries asynchronously since commit |
||
Ignat Korchagin
|
26394fc118 |
ipv6: mcast: use rcu-safe version of ipv6_get_lladdr()
Some time ago |
||
Halil Pasic
|
ddbd89deb7 |
swiotlb: fix info leak with DMA_FROM_DEVICE
The problem I'm addressing was discovered by the LTP test covering
cve-2018-1000204.
A short description of what happens follows:
1) The test case issues a command code 00 (TEST UNIT READY) via the SG_IO
interface with: dxfer_len == 524288, dxdfer_dir == SG_DXFER_FROM_DEV
and a corresponding dxferp. The peculiar thing about this is that TUR
is not reading from the device.
2) In sg_start_req() the invocation of blk_rq_map_user() effectively
bounces the user-space buffer. As if the device was to transfer into
it. Since commit
|
||
|
Linus Torvalds
|
42964a18f8 |
- Fix a case where objtool would mistakenly warn about instructions being unreachable
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmII/BUACgkQEsHwGGHe VUr5VBAAhK4/Hqe5wgbbKE2CwUfvCd7KBbKQb0FbBguO9Sg9NkQhD0ROE5qQCsRE AMBJKuC4AahoVIsPuJ2nr73iaM5UY3xx6Dth6qPnA7VEwpWM/h/A2t0D9bgm5PdR 1FK5QnmIP+o/astYTvP8YpIlhRqHK97fZM0KYZX8SfLG2sbnYiBANj7YiwafNLQs 7FR/J+LH2PRAU1sBrdrhvd/u4jvSTjcbutPEETGuTTMoPiJj4TGa0XyZNQR4/br+ WTnbzLFJpRabBMVE2ELzbzSXnEeUZpSKe79G9LW5AFaGa9UpyooXVUn4PcPNXTia Q8zkMKusNFUlQc0pbcUxaS/g+UnC7koFn/XvPxp5k9tL7x4exq9hhOn/F+K9Ctuw jUVrg63+/VFYtMwbZpYd81k5I/rx+o7t8rkmUrk0Wz/gpE9CDgbjfhGyAFqmXAFU mGAGcFHbBaG6J5/XGqOGZR42yajlg9lwxpaj+taCtfbf46/48E6mTtLG2qQRDAqW QlGVS8H9t+vmwfO8oAt2tWwLTyZqt+6VmNTbwerKSEblEC+yB/lLO5AcWsnNwHVl 9ZwSRTPw8ejkj/AdyoTSedMJHzcsAXT8PtIr2rSjuX1b8SubN8GmbsApyQmzV3G0 n5DLTcKvpCPjtWjtpF44yjP1rfdDLFBIh+RYHF7iNPFo0uhQFOg= =+cTD -----END PGP SIGNATURE----- Merge tag 'objtool_urgent_for_v5.17_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull objtool fix from Borislav Petkov: "Fix a case where objtool would mistakenly warn about instructions being unreachable" * tag 'objtool_urgent_for_v5.17_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/bug: Merge annotate_reachable() into _BUG_FLAGS() asm |
||
|
Linus Torvalds
|
9917ff5f31 |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton: "5 patches. Subsystems affected by this patch series: binfmt, procfs, and mm (vmscan, memcg, and kfence)" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: kfence: make test case compatible with run time set sample interval mm: memcg: synchronize objcg lists with a dedicated spinlock mm: vmscan: remove deadlock due to throttling failing to make progress fs/proc: task_mmu.c: don't read mapcount for migration entry fs/binfmt_elf: fix PT_LOAD p_align values for loaders |
||
Peng Liu
|
8913c61001 |
kfence: make test case compatible with run time set sample interval
The parameter kfence_sample_interval can be set via boot parameter and late shell command, which is convenient for automated tests and KFENCE parameter optimization. However, KFENCE test case just uses compile-time CONFIG_KFENCE_SAMPLE_INTERVAL, which will make KFENCE test case not run as users desired. Export kfence_sample_interval, so that KFENCE test case can use run-time-set sample interval. Link: https://lkml.kernel.org/r/20220207034432.185532-1-liupeng256@huawei.com Signed-off-by: Peng Liu <liupeng256@huawei.com> Reviewed-by: Marco Elver <elver@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: Christian Knig <christian.koenig@amd.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Roman Gushchin
|
0764db9b49 |
mm: memcg: synchronize objcg lists with a dedicated spinlock
Alexander reported a circular lock dependency revealed by the mmap1 ltp
test:
LOCKDEP_CIRCULAR (suite: ltp, case: mtest06 (mmap1))
WARNING: possible circular locking dependency detected
5.17.0-20220113.rc0.git0.f2211f194038.300.fc35.s390x+debug #1 Not tainted
------------------------------------------------------
mmap1/202299 is trying to acquire lock:
00000001892c0188 (css_set_lock){..-.}-{2:2}, at: obj_cgroup_release+0x4a/0xe0
but task is already holding lock:
00000000ca3b3818 (&sighand->siglock){-.-.}-{2:2}, at: force_sig_info_to_task+0x38/0x180
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&sighand->siglock){-.-.}-{2:2}:
__lock_acquire+0x604/0xbd8
lock_acquire.part.0+0xe2/0x238
lock_acquire+0xb0/0x200
_raw_spin_lock_irqsave+0x6a/0xd8
__lock_task_sighand+0x90/0x190
cgroup_freeze_task+0x2e/0x90
cgroup_migrate_execute+0x11c/0x608
cgroup_update_dfl_csses+0x246/0x270
cgroup_subtree_control_write+0x238/0x518
kernfs_fop_write_iter+0x13e/0x1e0
new_sync_write+0x100/0x190
vfs_write+0x22c/0x2d8
ksys_write+0x6c/0xf8
__do_syscall+0x1da/0x208
system_call+0x82/0xb0
-> #0 (css_set_lock){..-.}-{2:2}:
check_prev_add+0xe0/0xed8
validate_chain+0x736/0xb20
__lock_acquire+0x604/0xbd8
lock_acquire.part.0+0xe2/0x238
lock_acquire+0xb0/0x200
_raw_spin_lock_irqsave+0x6a/0xd8
obj_cgroup_release+0x4a/0xe0
percpu_ref_put_many.constprop.0+0x150/0x168
drain_obj_stock+0x94/0xe8
refill_obj_stock+0x94/0x278
obj_cgroup_charge+0x164/0x1d8
kmem_cache_alloc+0xac/0x528
__sigqueue_alloc+0x150/0x308
__send_signal+0x260/0x550
send_signal+0x7e/0x348
force_sig_info_to_task+0x104/0x180
force_sig_fault+0x48/0x58
__do_pgm_check+0x120/0x1f0
pgm_check_handler+0x11e/0x180
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&sighand->siglock);
lock(css_set_lock);
lock(&sighand->siglock);
lock(css_set_lock);
*** DEADLOCK ***
2 locks held by mmap1/202299:
#0: 00000000ca3b3818 (&sighand->siglock){-.-.}-{2:2}, at: force_sig_info_to_task+0x38/0x180
#1: 00000001892ad560 (rcu_read_lock){....}-{1:2}, at: percpu_ref_put_many.constprop.0+0x0/0x168
stack backtrace:
CPU: 15 PID: 202299 Comm: mmap1 Not tainted 5.17.0-20220113.rc0.git0.f2211f194038.300.fc35.s390x+debug #1
Hardware name: IBM 3906 M04 704 (LPAR)
Call Trace:
dump_stack_lvl+0x76/0x98
check_noncircular+0x136/0x158
check_prev_add+0xe0/0xed8
validate_chain+0x736/0xb20
__lock_acquire+0x604/0xbd8
lock_acquire.part.0+0xe2/0x238
lock_acquire+0xb0/0x200
_raw_spin_lock_irqsave+0x6a/0xd8
obj_cgroup_release+0x4a/0xe0
percpu_ref_put_many.constprop.0+0x150/0x168
drain_obj_stock+0x94/0xe8
refill_obj_stock+0x94/0x278
obj_cgroup_charge+0x164/0x1d8
kmem_cache_alloc+0xac/0x528
__sigqueue_alloc+0x150/0x308
__send_signal+0x260/0x550
send_signal+0x7e/0x348
force_sig_info_to_task+0x104/0x180
force_sig_fault+0x48/0x58
__do_pgm_check+0x120/0x1f0
pgm_check_handler+0x11e/0x180
INFO: lockdep is turned off.
In this example a slab allocation from __send_signal() caused a
refilling and draining of a percpu objcg stock, resulted in a releasing
of another non-related objcg. Objcg release path requires taking the
css_set_lock, which is used to synchronize objcg lists.
This can create a circular dependency with the sighandler lock, which is
taken with the locked css_set_lock by the freezer code (to freeze a
task).
In general it seems that using css_set_lock to synchronize objcg lists
makes any slab allocations and deallocation with the locked css_set_lock
and any intervened locks risky.
To fix the problem and make the code more robust let's stop using
css_set_lock to synchronize objcg lists and use a new dedicated spinlock
instead.
Link: https://lkml.kernel.org/r/Yfm1IHmoGdyUR81T@carbon.dhcp.thefacebook.com
Fixes:
|
||
|
Linus Torvalds
|
83e3966411 |
ARM: SoC fixes for 5.17
This is a fairly large set of bugfixes, most of which had
been sent a while ago but only now made it into the soc tree:
Maintainer file updates:
- Claudiu Beznea now co-maintains the at91 soc family,
replacing Ludovic Desroches.
- Michael Walle maintains the sl28cpld drivers
- Alain Volmat and Raphael Gallais-Pou take over some
drivers for ST platforms
- Alim Akhtar is an additional reviewer for Samsung platforms
Code fixes:
- Op-tee had a problem with object lifetime that needs
a slightly complex fix, as well as another bug with
error handling.
- Several minor issues for the OMAP platform, including
a regression with the timer
- A Kconfig change to fix a build-time issue on Intel
SoCFPGA
Device tree fixes:
- The Amlogic Meson platform fixes a boot regression on
am1-odroid, a spurious interrupt, and a problem with
reserved memory regions
- In the i.MX platform, several bug fixes are needed to
make devices work correctly: SD card detection,
alarmtimer, and sound card on some board. One patch
for the GPU got in there by accident and gets reverted
again.
- TI K3 needs a fix for J721S2 serial port numbers
- ux500 needs a fix to mount the SD card as root on
the Skomer phone.
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Merge tag 'soc-fixes-5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"This is a fairly large set of bugfixes, most of which had been sent a
while ago but only now made it into the soc tree:
Maintainer file updates:
- Claudiu Beznea now co-maintains the at91 soc family, replacing
Ludovic Desroches.
- Michael Walle maintains the sl28cpld drivers
- Alain Volmat and Raphael Gallais-Pou take over some drivers for ST
platforms
- Alim Akhtar is an additional reviewer for Samsung platforms
Code fixes:
- Op-tee had a problem with object lifetime that needs a slightly
complex fix, as well as another bug with error handling.
- Several minor issues for the OMAP platform, including a regression
with the timer
- A Kconfig change to fix a build-time issue on Intel SoCFPGA
Device tree fixes:
- The Amlogic Meson platform fixes a boot regression on am1-odroid, a
spurious interrupt, and a problem with reserved memory regions
- In the i.MX platform, several bug fixes are needed to make devices
work correctly: SD card detection, alarmtimer, and sound card on
some board. One patch for the GPU got in there by accident and gets
reverted again.
- TI K3 needs a fix for J721S2 serial port numbers
- ux500 needs a fix to mount the SD card as root on the Skomer phone"
* tag 'soc-fixes-5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (46 commits)
Revert "arm64: dts: imx8mn-venice-gw7902: disable gpu"
arm64: Remove ARCH_VULCAN
MAINTAINERS: add myself as a maintainer for the sl28cpld
MAINTAINERS: add IRC to ARM sub-architectures and Devicetree
MAINTAINERS: arm: samsung: add Git tree and IRC
ARM: dts: Fix boot regression on Skomer
ARM: dts: spear320: Drop unused and undocumented 'irq-over-gpio' property
soc: aspeed: lpc-ctrl: Block error printing on probe defer cases
docs/ABI: testing: aspeed-uart-routing: Escape asterisk
MAINTAINERS: update drm/stm drm/sti and cec/sti maintainers
MAINTAINERS: Update Benjamin Gaignard maintainer status
ARM: socfpga: fix missing RESET_CONTROLLER
arm64: dts: meson-sm1-odroid: fix boot loop after reboot
arm64: dts: meson-g12: drop BL32 region from SEI510/SEI610
arm64: dts: meson-g12: add ATF BL32 reserved-memory region
arm64: dts: meson-gx: add ATF BL32 reserved-memory region
arm64: dts: meson-sm1-bananapi-m5: fix wrong GPIO domain for GPIOE_2
arm64: dts: meson-sm1-odroid: use correct enable-gpio pin for tf-io regulator
arm64: dts: meson-g12b-odroid-n2: fix typo 'dio2133'
optee: use driver internal tee_context for some rpc
...
|
||
Yonghong Song
|
5eaed6eedb |
bpf: Fix a bpf_timer initialization issue
The patch in [1] intends to fix a bpf_timer related issue,
but the fix caused existing 'timer' selftest to fail with
hang or some random errors. After some debug, I found
an issue with check_and_init_map_value() in the hashtab.c.
More specifically, in hashtab.c, we have code
l_new = bpf_map_kmalloc_node(&htab->map, ...)
check_and_init_map_value(&htab->map, l_new...)
Note that bpf_map_kmalloc_node() does not do initialization
so l_new contains random value.
The function check_and_init_map_value() intends to zero the
bpf_spin_lock and bpf_timer if they exist in the map.
But I found bpf_spin_lock is zero'ed but bpf_timer is not zero'ed.
With [1], later copy_map_value() skips copying of
bpf_spin_lock and bpf_timer. The non-zero bpf_timer caused
random failures for 'timer' selftest.
Without [1], for both bpf_spin_lock and bpf_timer case,
bpf_timer will be zero'ed, so 'timer' self test is okay.
For check_and_init_map_value(), why bpf_spin_lock is zero'ed
properly while bpf_timer not. In bpf uapi header, we have
struct bpf_spin_lock {
__u32 val;
};
struct bpf_timer {
__u64 :64;
__u64 :64;
} __attribute__((aligned(8)));
The initialization code:
*(struct bpf_spin_lock *)(dst + map->spin_lock_off) =
(struct bpf_spin_lock){};
*(struct bpf_timer *)(dst + map->timer_off) =
(struct bpf_timer){};
It appears the compiler has no obligation to initialize anonymous fields.
For example, let us use clang with bpf target as below:
$ cat t.c
struct bpf_timer {
unsigned long long :64;
};
struct bpf_timer2 {
unsigned long long a;
};
void test(struct bpf_timer *t) {
*t = (struct bpf_timer){};
}
void test2(struct bpf_timer2 *t) {
*t = (struct bpf_timer2){};
}
$ clang -target bpf -O2 -c -g t.c
$ llvm-objdump -d t.o
...
0000000000000000 <test>:
0: 95 00 00 00 00 00 00 00 exit
0000000000000008 <test2>:
1: b7 02 00 00 00 00 00 00 r2 = 0
2: 7b 21 00 00 00 00 00 00 *(u64 *)(r1 + 0) = r2
3: 95 00 00 00 00 00 00 00 exit
gcc11.2 does not have the above issue. But from
INTERNATIONAL STANDARD ©ISO/IEC ISO/IEC 9899:201x
Programming languages — C
http://www.open-std.org/Jtc1/sc22/wg14/www/docs/n1547.pdf
page 157:
Except where explicitly stated otherwise, for the purposes of
this subclause unnamed members of objects of structure and union
type do not participate in initialization. Unnamed members of
structure objects have indeterminate value even after initialization.
To fix the problem, let use memset for bpf_timer case in
check_and_init_map_value(). For consistency, memset is also
used for bpf_spin_lock case.
[1] https://lore.kernel.org/bpf/20220209070324.1093182-2-memxor@gmail.com/
Fixes:
|
||
Kumar Kartikeya Dwivedi
|
a8abb0c3dc |
bpf: Fix crash due to incorrect copy_map_value
When both bpf_spin_lock and bpf_timer are present in a BPF map value,
copy_map_value needs to skirt both objects when copying a value into and
out of the map. However, the current code does not set both s_off and
t_off in copy_map_value, which leads to a crash when e.g. bpf_spin_lock
is placed in map value with bpf_timer, as bpf_map_update_elem call will
be able to overwrite the other timer object.
When the issue is not fixed, an overwriting can produce the following
splat:
[root@(none) bpf]# ./test_progs -t timer_crash
[ 15.930339] bpf_testmod: loading out-of-tree module taints kernel.
[ 16.037849] ==================================================================
[ 16.038458] BUG: KASAN: user-memory-access in __pv_queued_spin_lock_slowpath+0x32b/0x520
[ 16.038944] Write of size 8 at addr 0000000000043ec0 by task test_progs/325
[ 16.039399]
[ 16.039514] CPU: 0 PID: 325 Comm: test_progs Tainted: G OE 5.16.0+ #278
[ 16.039983] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS ArchLinux 1.15.0-1 04/01/2014
[ 16.040485] Call Trace:
[ 16.040645] <TASK>
[ 16.040805] dump_stack_lvl+0x59/0x73
[ 16.041069] ? __pv_queued_spin_lock_slowpath+0x32b/0x520
[ 16.041427] kasan_report.cold+0x116/0x11b
[ 16.041673] ? __pv_queued_spin_lock_slowpath+0x32b/0x520
[ 16.042040] __pv_queued_spin_lock_slowpath+0x32b/0x520
[ 16.042328] ? memcpy+0x39/0x60
[ 16.042552] ? pv_hash+0xd0/0xd0
[ 16.042785] ? lockdep_hardirqs_off+0x95/0xd0
[ 16.043079] __bpf_spin_lock_irqsave+0xdf/0xf0
[ 16.043366] ? bpf_get_current_comm+0x50/0x50
[ 16.043608] ? jhash+0x11a/0x270
[ 16.043848] bpf_timer_cancel+0x34/0xe0
[ 16.044119] bpf_prog_c4ea1c0f7449940d_sys_enter+0x7c/0x81
[ 16.044500] bpf_trampoline_6442477838_0+0x36/0x1000
[ 16.044836] __x64_sys_nanosleep+0x5/0x140
[ 16.045119] do_syscall_64+0x59/0x80
[ 16.045377] ? lock_is_held_type+0xe4/0x140
[ 16.045670] ? irqentry_exit_to_user_mode+0xa/0x40
[ 16.046001] ? mark_held_locks+0x24/0x90
[ 16.046287] ? asm_exc_page_fault+0x1e/0x30
[ 16.046569] ? asm_exc_page_fault+0x8/0x30
[ 16.046851] ? lockdep_hardirqs_on+0x7e/0x100
[ 16.047137] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 16.047405] RIP: 0033:0x7f9e4831718d
[ 16.047602] Code: b4 0c 00 0f 05 eb a9 66 0f 1f 44 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b3 6c 0c 00 f7 d8 64 89 01 48
[ 16.048764] RSP: 002b:00007fff488086b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000023
[ 16.049275] RAX: ffffffffffffffda RBX: 00007f9e48683740 RCX: 00007f9e4831718d
[ 16.049747] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff488086d0
[ 16.050225] RBP: 00007fff488086f0 R08: 00007fff488085d7 R09: 00007f9e4cb594a0
[ 16.050648] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9e484cde30
[ 16.051124] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 16.051608] </TASK>
[ 16.051762] ==================================================================
Fixes:
|
||
|
Linus Torvalds
|
883fd0aba1 |
ACPI fixes for 5.17-rc4
- Revert a recent change that attempted to avoid issues with
conflicting address ranges during PCI initialization, because it
turned out to introduce a regression (Hans de Goede).
- Revert a change that limited EC GPE wakeups from suspend-to-idle
to systems based on Intel hardware, because it turned out that
systems based on hardware from other vendors depended on that
functionality too (Mario Limonciello).
- Fix two issues related to the handling of wakeup interrupts and
wakeup events signaled through the EC GPE during suspend-to-idle
on x86 (Rafael Wysocki).
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Merge tag 'acpi-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These revert two commits that turned out to be problematic and fix two
issues related to wakeup from suspend-to-idle on x86.
Specifics:
- Revert a recent change that attempted to avoid issues with
conflicting address ranges during PCI initialization, because it
turned out to introduce a regression (Hans de Goede).
- Revert a change that limited EC GPE wakeups from suspend-to-idle to
systems based on Intel hardware, because it turned out that systems
based on hardware from other vendors depended on that functionality
too (Mario Limonciello).
- Fix two issues related to the handling of wakeup interrupts and
wakeup events signaled through the EC GPE during suspend-to-idle on
x86 (Rafael Wysocki)"
* tag 'acpi-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
x86/PCI: revert "Ignore E820 reservations for bridge windows on newer systems"
PM: s2idle: ACPI: Fix wakeup interrupts handling
ACPI: PM: s2idle: Cancel wakeup before dispatching EC GPE
ACPI: PM: Revert "Only mark EC GPE for wakeup on Intel systems"
|
||
|
Linus Torvalds
|
f1baf68e13 |
Networking fixes for 5.17-rc4, including fixes from netfilter and can.
Current release - new code bugs:
- sparx5: fix get_stat64 out-of-bound access and crash
- smc: fix netdev ref tracker misuse
Previous releases - regressions:
- eth: ixgbevf: require large buffers for build_skb on 82599VF,
avoid overflows
- eth: ocelot: fix all IP traffic getting trapped to CPU with PTP
over IP
- bonding: fix rare link activation misses in 802.3ad mode
Previous releases - always broken:
- tcp: fix tcp sock mem accounting in zero-copy corner cases
- remove the cached dst when uncloning an skb dst and its metadata,
since we only have one ref it'd lead to an UaF
- netfilter:
- conntrack: don't refresh sctp entries in closed state
- conntrack: re-init state for retransmitted syn-ack, avoid
connection establishment getting stuck with strange stacks
- ctnetlink: disable helper autoassign, avoid it getting lost
- nft_payload: don't allow transport header access for fragments
- dsa: fix use of devres for mdio throughout drivers
- eth: amd-xgbe: disable interrupts during pci removal
- eth: dpaa2-eth: unregister netdev before disconnecting the PHY
- eth: ice: fix IPIP and SIT TSO offload
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter and can.
Current release - new code bugs:
- sparx5: fix get_stat64 out-of-bound access and crash
- smc: fix netdev ref tracker misuse
Previous releases - regressions:
- eth: ixgbevf: require large buffers for build_skb on 82599VF, avoid
overflows
- eth: ocelot: fix all IP traffic getting trapped to CPU with PTP
over IP
- bonding: fix rare link activation misses in 802.3ad mode
Previous releases - always broken:
- tcp: fix tcp sock mem accounting in zero-copy corner cases
- remove the cached dst when uncloning an skb dst and its metadata,
since we only have one ref it'd lead to an UaF
- netfilter:
- conntrack: don't refresh sctp entries in closed state
- conntrack: re-init state for retransmitted syn-ack, avoid
connection establishment getting stuck with strange stacks
- ctnetlink: disable helper autoassign, avoid it getting lost
- nft_payload: don't allow transport header access for fragments
- dsa: fix use of devres for mdio throughout drivers
- eth: amd-xgbe: disable interrupts during pci removal
- eth: dpaa2-eth: unregister netdev before disconnecting the PHY
- eth: ice: fix IPIP and SIT TSO offload"
* tag 'net-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (53 commits)
net: dsa: mv88e6xxx: fix use-after-free in mv88e6xxx_mdios_unregister
net: mscc: ocelot: fix mutex lock error during ethtool stats read
ice: Avoid RTNL lock when re-creating auxiliary device
ice: Fix KASAN error in LAG NETDEV_UNREGISTER handler
ice: fix IPIP and SIT TSO offload
ice: fix an error code in ice_cfg_phy_fec()
net: mpls: Fix GCC 12 warning
dpaa2-eth: unregister the netdev before disconnecting from the PHY
skbuff: cleanup double word in comment
net: macb: Align the dma and coherent dma masks
mptcp: netlink: process IPv6 addrs in creating listening sockets
selftests: mptcp: add missing join check
net: usb: qmi_wwan: Add support for Dell DW5829e
vlan: move dev_put into vlan_dev_uninit
vlan: introduce vlan_dev_free_egress_priority
ax25: fix UAF bugs of net_device caused by rebinding operation
net: dsa: fix panic when DSA master device unbinds on shutdown
net: amd-xgbe: disable interrupts during pci removal
tipc: rate limit warning for received illegal binding update
net: mdio: aspeed: Add missing MODULE_DEVICE_TABLE
...
|
||
|
Linus Torvalds
|
f4bc5bbb5f |
Notable bug fixes:
Ensure that NFS clients cannot send file size or offset values that can cause the NFS server to crash or to return incorrect or surprising results. In particular, fix how the NFS server handles values larger than OFFSET_MAX. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmIDzr4ACgkQM2qzM29m f5eJRBAAikdh0PYOlZbvy9M1eY6wq3k+Y10JsnCZk4T8Uq0NJF/7CJ3R4/4+xGOh ZA/2vE1dN4IfqnIOdxw1cXbzzgAO5p/nDLMo9wC6NimrVLkE+S8j38oWvEHOCJXC TzUbIKkxqBBcfDw4pO4BT42iHx+cqVUuRFd2qkob1ZRoe+BKI+F4+7QNVc8iEw5z j85i2/h6JohsItzekRbMO1q1iXxBc+IZRYafjibtVRWxRuNUWP8C1cv0eXrlSy3O L07kZRwzrd52PAi1Q8K07Ip+yTHUMZptyHoB6S863uuz/mOzlpXewvXHMGA1btlr POHYG/lBXpDS0e2pjksyXXp2I7HJV/HuaMyyLveWRO0qleBc3G5PsvIJNBW7xl5f NPGdgfaa+8ZeOCGolvPruykL9Eh7QAyWTdPKz1J+NuhjkAB4p6ba9QcKVwP7kYTi I8zdeUPgbjuFW35hal0ZIlNi2RfcuSGk1FKjotrQ6J3XNIaqPkUWK+1Zz3MzqPUW +1ElzoXQugJASPBkEZuf1aXr8/vRjKT16l8EX1kbtJ5wjj2OPbnWWZk03ZncLVfv CzbJTZLqiM0JuRqXvYpUGAQdryWcwvTCAuWxcqrt4ALNWW6Z4Y35Vl8H4sTh8wkr Q3m6bAVYJx3FmFop7y5ubVH137k1SFJ0NzGJJK0mYoZQSMZoPZI= =64n/ -----END PGP SIGNATURE----- Merge tag 'nfsd-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux Pull more nfsd fixes from Chuck Lever: "Ensure that NFS clients cannot send file size or offset values that can cause the NFS server to crash or to return incorrect or surprising results. In particular, fix how the NFS server handles values larger than OFFSET_MAX" * tag 'nfsd-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: NFSD: Deprecate NFS_OFFSET_MAX NFSD: Fix offset type in I/O trace points NFSD: COMMIT operations must not return NFS?ERR_INVAL NFSD: Clamp WRITE offsets NFSD: Fix NFSv3 SETATTR/CREATE's handling of large file sizes NFSD: Fix ia_size underflow NFSD: Fix the behavior of READ near OFFSET_MAX |
||
Chuck Lever
|
c306d73769 |
NFSD: Deprecate NFS_OFFSET_MAX
NFS_OFFSET_MAX was introduced way back in Linux v2.3.y before there was a kernel-wide OFFSET_MAX value. As a clean up, replace the last few uses of it with its generic equivalent, and get rid of it. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> |
||
Antoine Tenart
|
9eeabdf17f |
net: fix a memleak when uncloning an skb dst and its metadata
When uncloning an skb dst and its associated metadata, a new
dst+metadata is allocated and later replaces the old one in the skb.
This is helpful to have a non-shared dst+metadata attached to a specific
skb.
The issue is the uncloned dst+metadata is initialized with a refcount of
1, which is increased to 2 before attaching it to the skb. When
tun_dst_unclone returns, the dst+metadata is only referenced from a
single place (the skb) while its refcount is 2. Its refcount will never
drop to 0 (when the skb is consumed), leading to a memory leak.
Fix this by removing the call to dst_hold in tun_dst_unclone, as the
dst+metadata refcount is already 1.
Fixes:
|
||
|
Antoine Tenart
|
cfc56f85e7 |
net: do not keep the dst cache when uncloning an skb dst and its metadata
When uncloning an skb dst and its associated metadata a new dst+metadata
is allocated and the tunnel information from the old metadata is copied
over there.
The issue is the tunnel metadata has references to cached dst, which are
copied along the way. When a dst+metadata refcount drops to 0 the
metadata is freed including the cached dst entries. As they are also
referenced in the initial dst+metadata, this ends up in UaFs.
In practice the above did not happen because of another issue, the
dst+metadata was never freed because its refcount never dropped to 0
(this will be fixed in a subsequent patch).
Fix this by initializing the dst cache after copying the tunnel
information from the old metadata to also unshare the dst cache.
Fixes:
|
||
Bjorn Andersson
|
4f774c4a65 |
cpufreq: Reintroduce ready() callback
This effectively revert '
|
||
|
Linus Torvalds
|
e6251ab455 |
NFS Client Bugfixes for Linux 5.17-rc
- Stable Fixes:
- Fix initialization of nfs_client cl_flags
- Other Fixes:
- Fix performance issues with uncached readdir calls
- Fix potential pointer dereferences in rpcrdma_ep_create
- Fix nfs4_proc_get_locations() kernel-doc comment
- Fix locking during sunrpc sysfs reads
- Update my email address in the MAINTAINERS file to my new kernel.org email
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Merge tag 'nfs-for-5.17-2' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client fixes from Anna Schumaker:
"Stable Fixes:
- Fix initialization of nfs_client cl_flags
Other Fixes:
- Fix performance issues with uncached readdir calls
- Fix potential pointer dereferences in rpcrdma_ep_create
- Fix nfs4_proc_get_locations() kernel-doc comment
- Fix locking during sunrpc sysfs reads
- Update my email address in the MAINTAINERS file to my new
kernel.org email"
* tag 'nfs-for-5.17-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
SUNRPC: lock against ->sock changing during sysfs read
MAINTAINERS: Update my email address
NFS: Fix nfs4_proc_get_locations() kernel-doc comment
xprtrdma: fix pointer derefs in error cases of rpcrdma_ep_create
NFS: Fix initialisation of nfs_client cl_flags field
NFS: Avoid duplicate uncached readdir calls on eof
NFS: Don't skip directory entries when doing uncached readdir
NFS: Don't overfill uncached readdir pages
|
||
|
Rafael J. Wysocki
|
cb1f65c1e1 |
PM: s2idle: ACPI: Fix wakeup interrupts handling
After commit |
||
Michael Kelley
|
6bf625a414 |
Drivers: hv: vmbus: Rework use of DMA_BIT_MASK(64)
Using DMA_BIT_MASK(64) as an initializer for a global variable
causes problems with Clang 12.0.1. The compiler doesn't understand
that value 64 is excluded from the shift at compile time, resulting
in a build error.
While this is a compiler problem, avoid the issue by setting up
the dma_mask memory as part of struct hv_device, and initialize
it using dma_set_mask().
Reported-by: Nathan Chancellor <nathan@kernel.org>
Reported-by: Vitaly Chikunov <vt@altlinux.org>
Reported-by: Jakub Kicinski <kuba@kernel.org>
Fixes:
|