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1,013,529 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Oleg Nesterov
|
dbb5afad10 |
ptrace: make ptrace() fail if the tracee changed its pid unexpectedly
Suppose we have 2 threads, the group-leader L and a sub-theread T,
both parked in ptrace_stop(). Debugger tries to resume both threads
and does
ptrace(PTRACE_CONT, T);
ptrace(PTRACE_CONT, L);
If the sub-thread T execs in between, the 2nd PTRACE_CONT doesn not
resume the old leader L, it resumes the post-exec thread T which was
actually now stopped in PTHREAD_EVENT_EXEC. In this case the
PTHREAD_EVENT_EXEC event is lost, and the tracer can't know that the
tracee changed its pid.
This patch makes ptrace() fail in this case until debugger does wait()
and consumes PTHREAD_EVENT_EXEC which reports old_pid. This affects all
ptrace requests except the "asynchronous" PTRACE_INTERRUPT/KILL.
The patch doesn't add the new PTRACE_ option to not complicate the API,
and I _hope_ this won't cause any noticeable regression:
- If debugger uses PTRACE_O_TRACEEXEC and the thread did an exec
and the tracer does a ptrace request without having consumed
the exec event, it's 100% sure that the thread the ptracer
thinks it is targeting does not exist anymore, or isn't the
same as the one it thinks it is targeting.
- To some degree this patch adds nothing new. In the scenario
above ptrace(L) can fail with -ESRCH if it is called after the
execing sub-thread wakes the leader up and before it "steals"
the leader's pid.
Test-case:
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <sys/ptrace.h>
#include <sys/wait.h>
#include <errno.h>
#include <pthread.h>
#include <assert.h>
void *tf(void *arg)
{
execve("/usr/bin/true", NULL, NULL);
assert(0);
return NULL;
}
int main(void)
{
int leader = fork();
if (!leader) {
kill(getpid(), SIGSTOP);
pthread_t th;
pthread_create(&th, NULL, tf, NULL);
for (;;)
pause();
return 0;
}
waitpid(leader, NULL, WSTOPPED);
ptrace(PTRACE_SEIZE, leader, 0,
PTRACE_O_TRACECLONE | PTRACE_O_TRACEEXEC);
waitpid(leader, NULL, 0);
ptrace(PTRACE_CONT, leader, 0,0);
waitpid(leader, NULL, 0);
int status, thread = waitpid(-1, &status, 0);
assert(thread > 0 && thread != leader);
assert(status == 0x80137f);
ptrace(PTRACE_CONT, thread, 0,0);
/*
* waitid() because waitpid(leader, &status, WNOWAIT) does not
* report status. Why ????
*
* Why WEXITED? because we have another kernel problem connected
* to mt-exec.
*/
siginfo_t info;
assert(waitid(P_PID, leader, &info, WSTOPPED|WEXITED|WNOWAIT) == 0);
assert(info.si_pid == leader && info.si_status == 0x0405);
/* OK, it sleeps in ptrace(PTRACE_EVENT_EXEC == 0x04) */
assert(ptrace(PTRACE_CONT, leader, 0,0) == -1);
assert(errno == ESRCH);
assert(leader == waitpid(leader, &status, WNOHANG));
assert(status == 0x04057f);
assert(ptrace(PTRACE_CONT, leader, 0,0) == 0);
return 0;
}
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reported-by: Simon Marchi <simon.marchi@efficios.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Pedro Alves <palves@redhat.com>
Acked-by: Simon Marchi <simon.marchi@efficios.com>
Acked-by: Jan Kratochvil <jan.kratochvil@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
Linus Torvalds
|
88b06399c9 |
for-5.13-rc1-part2-tag
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||
Ritesh Harjani
|
9b8a233bc2 |
btrfs: handle transaction start error in btrfs_fileattr_set
Add error handling in btrfs_fileattr_set in case of an error while
starting a transaction. This fixes btrfs/232 which otherwise used to
fail with below signature on Power.
btrfs/232 [ 1119.474650] run fstests btrfs/232 at 2021-04-21 02:21:22
<...>
[ 1366.638585] BUG: Unable to handle kernel data access on read at 0xffffffffffffff86
[ 1366.638768] Faulting instruction address: 0xc0000000009a5c88
cpu 0x0: Vector: 380 (Data SLB Access) at [c000000014f177b0]
pc: c0000000009a5c88: btrfs_update_root_times+0x58/0xc0
lr: c0000000009a5c84: btrfs_update_root_times+0x54/0xc0
<...>
pid = 24881, comm = fsstress
btrfs_update_inode+0xa0/0x140
btrfs_fileattr_set+0x5d0/0x6f0
vfs_fileattr_set+0x2a8/0x390
do_vfs_ioctl+0x1290/0x1ac0
sys_ioctl+0x6c/0x120
system_call_exception+0x3d4/0x410
system_call_common+0xec/0x278
Fixes:
|
||
|
Linus Torvalds
|
1140ab592e |
perf tools fixes for v5.13: 1st batch
- Fix swapping of cpu_map and stat_config records.
- Fix dynamic libbpf linking.
- Disallow -c and -F option at the same time in 'perf record'.
- Update headers with the kernel originals.
- Silence warning for JSON ArchStd files.
- Fix a build error on arm64 with clang.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v5.13-2021-05-10' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Fix swapping of cpu_map and stat_config records.
- Fix dynamic libbpf linking.
- Disallow -c and -F option at the same time in 'perf record'.
- Update headers with the kernel originals.
- Silence warning for JSON ArchStd files.
- Fix a build error on arm64 with clang.
* tag 'perf-tools-fixes-for-v5.13-2021-05-10' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
tools headers UAPI: Sync perf_event.h with the kernel sources
tools headers cpufeatures: Sync with the kernel sources
tools include UAPI powerpc: Sync errno.h with the kernel headers
tools arch: Update arch/x86/lib/mem{cpy,set}_64.S copies used in 'perf bench mem memcpy'
tools headers UAPI: Sync linux/prctl.h with the kernel sources
tools headers UAPI: Sync files changed by landlock, quotactl_path and mount_settattr new syscalls
perf tools: Fix a build error on arm64 with clang
tools headers kvm: Sync kvm headers with the kernel sources
tools headers UAPI: Sync linux/kvm.h with the kernel sources
perf tools: Fix dynamic libbpf link
perf session: Fix swapping of cpu_map and stat_config records
perf jevents: Silence warning for ArchStd files
perf record: Disallow -c and -F option at the same time
tools arch x86: Sync the msr-index.h copy with the kernel sources
tools headers UAPI: Sync drm/i915_drm.h with the kernel sources
tools headers UAPI: Update tools's copy of drm.h headers
|
||
|
Linus Torvalds
|
142b507f91 |
for-5.13-rc1-tag
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||
|
Linus Torvalds
|
0aa099a312 |
* Lots of bug fixes.
* Fix virtualization of RDPID
* Virtualization of DR6_BUS_LOCK, which on bare metal is new in
the 5.13 merge window
* More nested virtualization migration fixes (nSVM and eVMCS)
* Fix for KVM guest hibernation
* Fix for warning in SEV-ES SRCU usage
* Block KVM from loading on AMD machines with 5-level page tables,
due to the APM not mentioning how host CR4.LA57 exactly impacts
the guest.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
- Lots of bug fixes.
- Fix virtualization of RDPID
- Virtualization of DR6_BUS_LOCK, which on bare metal is new to this
release
- More nested virtualization migration fixes (nSVM and eVMCS)
- Fix for KVM guest hibernation
- Fix for warning in SEV-ES SRCU usage
- Block KVM from loading on AMD machines with 5-level page tables, due
to the APM not mentioning how host CR4.LA57 exactly impacts the
guest.
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (48 commits)
KVM: SVM: Move GHCB unmapping to fix RCU warning
KVM: SVM: Invert user pointer casting in SEV {en,de}crypt helpers
kvm: Cap halt polling at kvm->max_halt_poll_ns
tools/kvm_stat: Fix documentation typo
KVM: x86: Prevent deadlock against tk_core.seq
KVM: x86: Cancel pvclock_gtod_work on module removal
KVM: x86: Prevent KVM SVM from loading on kernels with 5-level paging
KVM: X86: Expose bus lock debug exception to guest
KVM: X86: Add support for the emulation of DR6_BUS_LOCK bit
KVM: PPC: Book3S HV: Fix conversion to gfn-based MMU notifier callbacks
KVM: x86: Hide RDTSCP and RDPID if MSR_TSC_AUX probing failed
KVM: x86: Tie Intel and AMD behavior for MSR_TSC_AUX to guest CPU model
KVM: x86: Move uret MSR slot management to common x86
KVM: x86: Export the number of uret MSRs to vendor modules
KVM: VMX: Disable loading of TSX_CTRL MSR the more conventional way
KVM: VMX: Use common x86's uret MSR list as the one true list
KVM: VMX: Use flag to indicate "active" uret MSRs instead of sorting list
KVM: VMX: Configure list of user return MSRs at module init
KVM: x86: Add support for RDPID without RDTSCP
KVM: SVM: Probe and load MSR_TSC_AUX regardless of RDTSCP support in host
...
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Arnaldo Carvalho de Melo
|
71d7924b3e |
tools headers UAPI: Sync perf_event.h with the kernel sources
To pick up the changes in: |
||
|
Arnaldo Carvalho de Melo
|
6faf64f524 |
tools headers cpufeatures: Sync with the kernel sources
To pick the changes from: |
||
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Arnaldo Carvalho de Melo
|
3916329309 |
tools include UAPI powerpc: Sync errno.h with the kernel headers
To pick the change in:
|
||
|
Arnaldo Carvalho de Melo
|
fb24e308b6 |
tools arch: Update arch/x86/lib/mem{cpy,set}_64.S copies used in 'perf bench mem memcpy'
To bring in the change made in this cset:
|
||
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Arnaldo Carvalho de Melo
|
5a80ee4219 |
tools headers UAPI: Sync linux/prctl.h with the kernel sources
To pick a new prctl introduced in:
|
||
|
Arnaldo Carvalho de Melo
|
f8bcb061ea |
tools headers UAPI: Sync files changed by landlock, quotactl_path and mount_settattr new syscalls
To pick the changes in these csets: |
||
Masami Hiramatsu
|
a00b7e39d6 |
perf tools: Fix a build error on arm64 with clang
Since clang's -Wmissing-field-initializers warns if a data
structure is initialized with a signle NULL as below,
----
tools/perf $ make CC=clang LLVM=1
...
arch/arm64/util/kvm-stat.c:74:9: error: missing field 'ops' initializer [-Werror,-Wmissing-field-initializers]
{ NULL },
^
1 error generated.
----
add another field initializer expressly as same as other
arch's kvm-stat.c code.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Anders Roxell <anders.roxell@linaro.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Link: http://lore.kernel.org/lkml/162037767540.94840.15758657049033010518.stgit@devnote2
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Arnaldo Carvalho de Melo
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b35629bc2f |
tools headers kvm: Sync kvm headers with the kernel sources
To pick the changes in:
|
||
|
Arnaldo Carvalho de Melo
|
0d943d5fde |
tools headers UAPI: Sync linux/kvm.h with the kernel sources
To pick the changes in: |
||
Jiri Olsa
|
ad1237c30d |
perf tools: Fix dynamic libbpf link
Justin reported broken build with LIBBPF_DYNAMIC=1.
When linking libbpf dynamically we need to use perf's
hashmap object, because it's not exported in libbpf.so
(only in libbpf.a).
Following build is now passing:
$ make LIBBPF_DYNAMIC=1
BUILD: Doing 'make -j8' parallel build
...
$ ldd perf | grep libbpf
libbpf.so.0 => /lib64/libbpf.so.0 (0x00007fa7630db000)
Fixes:
|
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Dmitry Koshelev
|
a11c9a6e47 |
perf session: Fix swapping of cpu_map and stat_config records
'data' field in perf_record_cpu_map_data struct is 16-bit wide and so should be swapped using bswap_16(). 'nr' field in perf_record_stat_config struct should be swapped before being used for size calculation. Signed-off-by: Dmitry Koshelev <karaghiozis@gmail.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20210506131244.13328-1-karaghiozis@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
||
Ian Rogers
|
7aa3c9eabd |
perf jevents: Silence warning for ArchStd files
JSON files in the level 1 directory are used for ArchStd events (see preprocess_arch_std_files), as such they shouldn't be warned about. Signed-off-by: Ian Rogers <irogers@google.com> Reviewed-by: John Garry <john.garry@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Joakim Zhang <qiangqing.zhang@nxp.com> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Kim Phillips <kim.phillips@amd.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20210506225640.1461000-1-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
||
Namhyung Kim
|
e8c1167606 |
perf record: Disallow -c and -F option at the same time
It's confusing which one is effective when the both options are given. The current code happens to use -c in this case but users might not be aware of it. We can change it to complain about that instead of relying on the implicit priority. Before: $ perf record -c 111111 -F 99 true [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.031 MB perf.data (8 samples) ] $ perf evlist -F cycles: sample_period=111111 $ After: $ perf record -c 111111 -F 99 true cannot set frequency and period at the same time $ So this change can break existing usages, but I think it's rare to have both options and it'd be better changing them. Suggested-by: Alexey Alexandrov <aalexand@google.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20210402094020.28164-1-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
||
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Arnaldo Carvalho de Melo
|
b3172585b1 |
tools arch x86: Sync the msr-index.h copy with the kernel sources
To pick up the changes from these csets:
|
||
|
Arnaldo Carvalho de Melo
|
0fdee797d6 |
tools headers UAPI: Sync drm/i915_drm.h with the kernel sources
To pick the changes in:
|
||
|
Arnaldo Carvalho de Melo
|
a3bc4ffeed |
tools headers UAPI: Update tools's copy of drm.h headers
Picking the changes from:
|
||
|
Linus Torvalds
|
6efb943b86 | Linux 5.13-rc1 v5.13-rc1 | ||
|
Linus Torvalds
|
6dae40aed4 |
fbmem: fix horribly incorrect placement of __maybe_unused
Commit
|
||
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Linus Torvalds
|
efc58a96ad |
drm fixes for 5.13-rc1
amdgpu:
- MPO hang workaround
- Fix for concurrent VM flushes on vega/navi
- dcefclk is not adjustable on navi1x and newer
- MST HPD debugfs fix
- Suspend/resumes fixes
- Register VGA clients late in case driver fails to load
- Fix GEM leak in user framebuffer create
- Add support for polaris12 with 32 bit memory interface
- Fix duplicate cursor issue when using overlay
- Fix corruption with tiled surfaces on VCN3
- Add BO size and stride check to fix BO size verification
radeon:
- Fix off-by-one in power state parsing
- Fix possible memory leak in power state parsing
msm:
- NULL ptr dereference fix
fbdev:
- procfs disabled warning fix
i915:
- gvt: Fix a possible division by zero in vgpu display rate calculation
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Merge tag 'drm-next-2021-05-10' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Bit later than usual, I queued them all up on Friday then promptly
forgot to write the pull request email. This is mainly amdgpu fixes,
with some radeon/msm/fbdev and one i915 gvt fix thrown in.
amdgpu:
- MPO hang workaround
- Fix for concurrent VM flushes on vega/navi
- dcefclk is not adjustable on navi1x and newer
- MST HPD debugfs fix
- Suspend/resumes fixes
- Register VGA clients late in case driver fails to load
- Fix GEM leak in user framebuffer create
- Add support for polaris12 with 32 bit memory interface
- Fix duplicate cursor issue when using overlay
- Fix corruption with tiled surfaces on VCN3
- Add BO size and stride check to fix BO size verification
radeon:
- Fix off-by-one in power state parsing
- Fix possible memory leak in power state parsing
msm:
- NULL ptr dereference fix
fbdev:
- procfs disabled warning fix
i915:
- gvt: Fix a possible division by zero in vgpu display rate
calculation"
* tag 'drm-next-2021-05-10' of git://anongit.freedesktop.org/drm/drm:
drm/amdgpu: Use device specific BO size & stride check.
drm/amdgpu: Init GFX10_ADDR_CONFIG for VCN v3 in DPG mode.
drm/amd/pm: initialize variable
drm/radeon: Avoid power table parsing memory leaks
drm/radeon: Fix off-by-one power_state index heap overwrite
drm/amd/display: Fix two cursor duplication when using overlay
drm/amdgpu: add new MC firmware for Polaris12 32bit ASIC
fbmem: Mark proc_fb_seq_ops as __maybe_unused
drm/msm/dpu: Delete bonkers code
drm/i915/gvt: Prevent divided by zero when calculating refresh rate
amdgpu: fix GEM obj leak in amdgpu_display_user_framebuffer_create
drm/amdgpu: Register VGA clients after init can no longer fail
drm/amdgpu: Handling of amdgpu_device_resume return value for graceful teardown
drm/amdgpu: fix r initial values
drm/amd/display: fix wrong statement in mst hpd debugfs
amdgpu/pm: set pp_dpm_dcefclk to readonly on NAVI10 and newer gpus
amdgpu/pm: Prevent force of DCEFCLK on NAVI10 and SIENNA_CICHLID
drm/amdgpu: fix concurrent VM flushes on Vega/Navi v2
drm/amd/display: Reject non-zero src_y and src_x for video planes
|
||
|
Linus Torvalds
|
506c30790f |
block-5.13-2021-05-09
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||
|
Linus Torvalds
|
0a55a1fbed |
3 small SMB3 chmultichannel related changesets (also for stable)
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||
|
Linus Torvalds
|
9819f682e4 |
A set of scheduler updates:
- Prevent PSI state corruption when schedule() races with cgroup move. A
recent commit combined two PSI callbacks to reduce the number of cgroup
tree updates, but missed that schedule() can drop rq::lock for load
balancing, which opens the race window for cgroup_move_task() which then
observes half updated state. The fix is to solely use task::ps_flags
instead of looking at the potentially mismatching scheduler state
- Prevent an out-of-bounds access in uclamp caused bu a rounding division
which can lead to an off-by-one error exceeding the buckets array size.
- Prevent unfairness caused by missing load decay when a task is attached
to a cfs runqueue. The old load of the task is attached to the runqueue
and never removed. Fix it by enforcing the load update through the
hierarchy for unthrottled run queue instances.
- A documentation fix fot the 'sched_verbose' command line option
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Merge tag 'sched-urgent-2021-05-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Thomas Gleixner:
"A set of scheduler updates:
- Prevent PSI state corruption when schedule() races with cgroup
move.
A recent commit combined two PSI callbacks to reduce the number of
cgroup tree updates, but missed that schedule() can drop rq::lock
for load balancing, which opens the race window for
cgroup_move_task() which then observes half updated state.
The fix is to solely use task::ps_flags instead of looking at the
potentially mismatching scheduler state
- Prevent an out-of-bounds access in uclamp caused bu a rounding
division which can lead to an off-by-one error exceeding the
buckets array size.
- Prevent unfairness caused by missing load decay when a task is
attached to a cfs runqueue.
The old load of the task was attached to the runqueue and never
removed. Fix it by enforcing the load update through the hierarchy
for unthrottled run queue instances.
- A documentation fix fot the 'sched_verbose' command line option"
* tag 'sched-urgent-2021-05-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Fix unfairness caused by missing load decay
sched: Fix out-of-bound access in uclamp
psi: Fix psi state corruption when schedule() races with cgroup move
sched,doc: sched_debug_verbose cmdline should be sched_verbose
|
||
|
Linus Torvalds
|
732a27a089 |
A set of locking related fixes and updates:
- Two fixes for the futex syscall related to the timeout handling.
FUTEX_LOCK_PI does not support the FUTEX_CLOCK_REALTIME bit and because
it's not set the time namespace adjustment for clock MONOTONIC is
applied wrongly.
FUTEX_WAIT cannot support the FUTEX_CLOCK_REALTIME bit because its
always a relative timeout.
- Cleanups in the futex syscall entry points which became obvious when
the two timeout handling bugs were fixed.
- Cleanup of queued_write_lock_slowpath() as suggested by Linus
- Fixup of the smp_call_function_single_async() prototype
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Merge tag 'locking-urgent-2021-05-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Thomas Gleixner:
"A set of locking related fixes and updates:
- Two fixes for the futex syscall related to the timeout handling.
FUTEX_LOCK_PI does not support the FUTEX_CLOCK_REALTIME bit and
because it's not set the time namespace adjustment for clock
MONOTONIC is applied wrongly.
FUTEX_WAIT cannot support the FUTEX_CLOCK_REALTIME bit because its
always a relative timeout.
- Cleanups in the futex syscall entry points which became obvious
when the two timeout handling bugs were fixed.
- Cleanup of queued_write_lock_slowpath() as suggested by Linus
- Fixup of the smp_call_function_single_async() prototype"
* tag 'locking-urgent-2021-05-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
futex: Make syscall entry points less convoluted
futex: Get rid of the val2 conditional dance
futex: Do not apply time namespace adjustment on FUTEX_LOCK_PI
Revert
|
||
|
Linus Torvalds
|
85bbba1c07 |
Handle power-gating of AMD IOMMU perf counters properly when they are used.
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||
|
Linus Torvalds
|
dd3e4012dd |
- Fix guest vtime accounting so that ticks happening while the guest is running
can also be accounted to it. Along with a consolidation to the guest-specific context
tracking helpers.
- Provide for the host NMI handler running after a VMX VMEXIT to be able to run
on the kernel stack correctly.
- Initialize MSR_TSC_AUX when RDPID is supported and not RDTSCP (virt relevant -
real hw supports both)
- A code generation improvement to TASK_SIZE_MAX through the use of alternatives
- The usual misc. and related cleanups and improvements
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Merge tag 'x86_urgent_for_v5.13_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
"A bunch of things accumulated for x86 in the last two weeks:
- Fix guest vtime accounting so that ticks happening while the guest
is running can also be accounted to it. Along with a consolidation
to the guest-specific context tracking helpers.
- Provide for the host NMI handler running after a VMX VMEXIT to be
able to run on the kernel stack correctly.
- Initialize MSR_TSC_AUX when RDPID is supported and not RDTSCP (virt
relevant - real hw supports both)
- A code generation improvement to TASK_SIZE_MAX through the use of
alternatives
- The usual misc and related cleanups and improvements"
* tag 'x86_urgent_for_v5.13_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
KVM: x86: Consolidate guest enter/exit logic to common helpers
context_tracking: KVM: Move guest enter/exit wrappers to KVM's domain
context_tracking: Consolidate guest enter/exit wrappers
sched/vtime: Move guest enter/exit vtime accounting to vtime.h
sched/vtime: Move vtime accounting external declarations above inlines
KVM: x86: Defer vtime accounting 'til after IRQ handling
context_tracking: Move guest exit vtime accounting to separate helpers
context_tracking: Move guest exit context tracking to separate helpers
KVM/VMX: Invoke NMI non-IST entry instead of IST entry
x86/cpu: Remove write_tsc() and write_rdtscp_aux() wrappers
x86/cpu: Initialize MSR_TSC_AUX if RDTSCP *or* RDPID is supported
x86/resctrl: Fix init const confusion
x86: Delete UD0, UD1 traces
x86/smpboot: Remove duplicate includes
x86/cpu: Use alternative to generate the TASK_SIZE_MAX constant
|
||
Jens Axboe
|
35c820e715 |
Revert "bio: limit bio max size"
This reverts commit
|
||
|
Linus Torvalds
|
b741596468 |
RISC-V Fixes for the Merge Window, Part 2
* A fix to avoid over-allocating the kernel's mapping on !MMU systems, which could lead to up to 2MiB of lost memory. * The SiFive address extension errata only manifest on rv64, they are now disabled on rv32 where they are unnecessary. There are also a pair of late-landing cleanups. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEKzw3R0RoQ7JKlDp6LhMZ81+7GIkFAmCWw5QTHHBhbG1lckBk YWJiZWx0LmNvbQAKCRAuExnzX7sYiRKiEACIVsjL+QmsgpAxAK9z4YokneXl+bBw PN401kDpyijVhHCmwXHr1eNilwc2FMkVsfjtGGp4mIgjYnzEoMd8wfaI9b7/1+Rk 73uYF6V/oJCrWvLQ/gIULp8D385F5vjGQDjuFm9mlQuhR1kpGTbvvliVoYwevQ8B PqVn+zWPqqGyFUEnNNLXhVtTRntGrfZwIz/bxpZOtn/IN3BE1oEQW51+5rbfXpFr eK59b808lfd5qlbSJ4Dgpwv1TAa01gM9TPYpxqSO/4mo9C1eZsBqS2/LxaJHDqBQ CENkujqd0qMDq4CP/SN4pBxHWTFyR9wfE8u2d4hqrNwhJivFHM9+yP84ayElfBXh IhM6PiMnW2N618DeMq92bqpGwrNAUdAVby+B38jpo9z+GCKVqgdMeAnTaBO4ApLx Hgo6pOknJZxnta6Wmsog8/hNnONSkGDBrzcP7+bdNvsCG6j07P5wLtvsf05yPnIe 6BB/xGePYxaSWtFwebBenSrOYU5mEKV44yOnHvWuy9TwFx6khxb5xCGKtB8I16vy f3kUG9TXJx6CqDmhsl12YGYHdT13l3YttRAN1MzMazFmzSKcbsmsDDsEmmN/zmXh qkAXk0yRVxwBqxvehNw2PE0ViNYTpS31qmOHns7pcA85VEzAJSC0yD/k+qZcRuus a/+f66xSe2KqbQ== =mEPT -----END PGP SIGNATURE----- Merge tag 'riscv-for-linus-5.13-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V fixes from Palmer Dabbelt: - A fix to avoid over-allocating the kernel's mapping on !MMU systems, which could lead to up to 2MiB of lost memory - The SiFive address extension errata only manifest on rv64, they are now disabled on rv32 where they are unnecessary - A pair of late-landing cleanups * tag 'riscv-for-linus-5.13-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: remove unused handle_exception symbol riscv: Consistify protect_kernel_linear_mapping_text_rodata() use riscv: enable SiFive errata CIP-453 and CIP-1200 Kconfig only if CONFIG_64BIT=y riscv: Only extend kernel reservation if mapped read-only |
||
|
Linus Torvalds
|
fec4d42724 |
drm/i915/display: fix compiler warning about array overrun
intel_dp_check_mst_status() uses a 14-byte array to read the DPRX Event
Status Indicator data, but then passes that buffer at offset 10 off as
an argument to drm_dp_channel_eq_ok().
End result: there are only 4 bytes remaining of the buffer, yet
drm_dp_channel_eq_ok() wants a 6-byte buffer. gcc-11 correctly warns
about this case:
drivers/gpu/drm/i915/display/intel_dp.c: In function ‘intel_dp_check_mst_status’:
drivers/gpu/drm/i915/display/intel_dp.c:3491:22: warning: ‘drm_dp_channel_eq_ok’ reading 6 bytes from a region of size 4 [-Wstringop-overread]
3491 | !drm_dp_channel_eq_ok(&esi[10], intel_dp->lane_count)) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/display/intel_dp.c:3491:22: note: referencing argument 1 of type ‘const u8 *’ {aka ‘const unsigned char *’}
In file included from drivers/gpu/drm/i915/display/intel_dp.c:38:
include/drm/drm_dp_helper.h:1466:6: note: in a call to function ‘drm_dp_channel_eq_ok’
1466 | bool drm_dp_channel_eq_ok(const u8 link_status[DP_LINK_STATUS_SIZE],
| ^~~~~~~~~~~~~~~~~~~~
6:14 elapsed
This commit just extends the original array by 2 zero-initialized bytes,
avoiding the warning.
There may be some underlying bug in here that caused this confusion, but
this is at least no worse than the existing situation that could use
random data off the stack.
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
Linus Torvalds
|
07db05638a |
SCSI misc on 20210508
This is a set of minor fixes in various drivers (qla2xxx, ufs, scsi_debug, lpfc) one doc fix and a fairly large update to the fnic driver to remove the open coded iteration functions in favour of the scsi provided ones. Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com> -----BEGIN PGP SIGNATURE----- iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCYJa23iYcamFtZXMuYm90 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishVhnAP0WVxjv V+L6SAyssgzN3Nbq/nY18qMU1/yeA5jVljRW1gD+JaQKpkOmU+lsldauwW2a3v0G 9XPGTricrtYOu1j3t7c= =F0aC -----END PGP SIGNATURE----- Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull more SCSI updates from James Bottomley: "This is a set of minor fixes in various drivers (qla2xxx, ufs, scsi_debug, lpfc) one doc fix and a fairly large update to the fnic driver to remove the open coded iteration functions in favour of the scsi provided ones" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: fnic: Use scsi_host_busy_iter() to traverse commands scsi: fnic: Kill 'exclude_id' argument to fnic_cleanup_io() scsi: scsi_debug: Fix cmd_per_lun, set to max_queue scsi: ufs: core: Narrow down fast path in system suspend path scsi: ufs: core: Cancel rpm_dev_flush_recheck_work during system suspend scsi: ufs: core: Do not put UFS power into LPM if link is broken scsi: qla2xxx: Prevent PRLI in target mode scsi: qla2xxx: Add marginal path handling support scsi: target: tcmu: Return from tcmu_handle_completions() if cmd_id not found scsi: ufs: core: Fix a typo in ufs-sysfs.c scsi: lpfc: Fix bad memory access during VPD DUMP mailbox command scsi: lpfc: Fix DMA virtual address ptr assignment in bsg scsi: lpfc: Fix illegal memory access on Abort IOCBs scsi: blk-mq: Fix build warning when making htmldocs |
||
|
Linus Torvalds
|
0f979d815c |
Kbuild updates for v5.13 (2nd)
- Convert sh and sparc to use generic shell scripts to generate the
syscall headers
- refactor .gitignore files
- Update kernel/config_data.gz only when the content of the .config is
really changed, which avoids the unneeded re-link of vmlinux
- move "remove stale files" workarounds to scripts/remove-stale-files
- suppress unused-but-set-variable warnings by default for Clang as well
- fix locale setting LANG=C to LC_ALL=C
- improve 'make distclean'
- always keep intermediate objects from scripts/link-vmlinux.sh
- move IF_ENABLED out of <linux/kconfig.h> to make it self-contained
- misc cleanups
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Merge tag 'kbuild-v5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull more Kbuild updates from Masahiro Yamada:
- Convert sh and sparc to use generic shell scripts to generate the
syscall headers
- refactor .gitignore files
- Update kernel/config_data.gz only when the content of the .config
is really changed, which avoids the unneeded re-link of vmlinux
- move "remove stale files" workarounds to scripts/remove-stale-files
- suppress unused-but-set-variable warnings by default for Clang
as well
- fix locale setting LANG=C to LC_ALL=C
- improve 'make distclean'
- always keep intermediate objects from scripts/link-vmlinux.sh
- move IF_ENABLED out of <linux/kconfig.h> to make it self-contained
- misc cleanups
* tag 'kbuild-v5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (25 commits)
linux/kconfig.h: replace IF_ENABLED() with PTR_IF() in <linux/kernel.h>
kbuild: Don't remove link-vmlinux temporary files on exit/signal
kbuild: remove the unneeded comments for external module builds
kbuild: make distclean remove tag files in sub-directories
kbuild: make distclean work against $(objtree) instead of $(srctree)
kbuild: refactor modname-multi by using suffix-search
kbuild: refactor fdtoverlay rule
kbuild: parameterize the .o part of suffix-search
arch: use cross_compiling to check whether it is a cross build or not
kbuild: remove ARCH=sh64 support from top Makefile
.gitignore: prefix local generated files with a slash
kbuild: replace LANG=C with LC_ALL=C
Makefile: Move -Wno-unused-but-set-variable out of GCC only block
kbuild: add a script to remove stale generated files
kbuild: update config_data.gz only when the content of .config is changed
.gitignore: ignore only top-level modules.builtin
.gitignore: move tags and TAGS close to other tag files
kernel/.gitgnore: remove stale timeconst.h and hz.bc
usr/include: refactor .gitignore
genksyms: fix stale comment
...
|
||
Steve French
|
c1f8a398b6 |
smb3: if max_channels set to more than one channel request multichannel
Mounting with "multichannel" is obviously implied if user requested more than one channel on mount (ie mount parm max_channels>1). Currently both have to be specified. Fix that so that if max_channels is greater than 1 on mount, enable multichannel rather than silently falling back to non-multichannel. Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-By: Tom Talpey <tom@talpey.com> Cc: <stable@vger.kernel.org> # v5.11+ Reviewed-by: Shyam Prasad N <sprasad@microsoft.com> |
||
|
Steve French
|
9c2dc11df5 |
smb3: do not attempt multichannel to server which does not support it
We were ignoring CAP_MULTI_CHANNEL in the server response - if the server doesn't support multichannel we should not be attempting it. See MS-SMB2 section 3.2.5.2 Reviewed-by: Shyam Prasad N <sprasad@microsoft.com> Reviewed-By: Tom Talpey <tom@talpey.com> Cc: <stable@vger.kernel.org> # v5.8+ Signed-off-by: Steve French <stfrench@microsoft.com> |
||
|
Linus Torvalds
|
ab159ac569 |
powerpc fixes for 5.13 #2
- Remove the nvlink support now that it's only user has been removed. - Enable huge vmalloc mappings for Radix MMU (P9). - Fix KVM conversion to gfn-based MMU notifier callbacks. - Fix a kexec/kdump crash with hot plugged CPUs. - Fix boot failure on 32-bit with CONFIG_STACKPROTECTOR. - Restore alphabetic order of the selects under CONFIG_PPC. Thanks to: Christophe Leroy, Christoph Hellwig, Nicholas Piggin, Sandipan Das, Sourabh Jain. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEJFGtCPCthwEv2Y/bUevqPMjhpYAFAmCWjQsTHG1wZUBlbGxl cm1hbi5pZC5hdQAKCRBR6+o8yOGlgAeMD/0V0eVXtpYiPHZpEaRJS8H/ANInBdMz +PxgCkeX97e+eiufq6IMJO5H5tbWdVIMGRTrhUipZG25M88pU4toRyZwdtdtW2x8 /BjRnmaOAyoTx2LbDTn5qJQmee3jHIVBZINKpVk+vVXwbs6Wmc+qJTVTwvOOPVZm vgJzQL08JaA6F/y1CLCFnw+GXMdN/e0Nkrz89wu3YHCCPkHi0mZkQrKaEb7QRvU4 s9wbhBz0caFRNsGSXn6kUduBjOLZ/PZ70Dr1HOX4JF5F4gPgH/sjAmUscrKo9s2b x4/LH0bxQ6zsjNOknBWtPuDOEEm1D6VGPSf/JUdhuOoErJHJBiMqWCljQhSwsHW7 vEB4TGY5mMpoGB4RhSSdl6VgnlwCAsntUx+3PidSSLTGmkUrj+M+oH97NGY1/UD4 JwuiAtdM66KNx7Xmoa8R9mNxS09hjWcCCUWVe0ezZ/6L+4HMgiozWg9xdhmfD2ec NB4ibqzYxSznvjzljmzrIg8nZSf7KSFxPVs6ivB90X8fQoBsq8H021n0wbVut9+W +75XKQnuCnfLFtHDZQjw+JxiDZzml5ccEBcwA59t09se34L6oG2k9n7xq01v/Qii sg83LcB+gmlcRR3DjzLpwDuoUovAc9QGABXFRWuKVc4mc7guXI412HbNKEoHgzqn je3PDrLwILElOQ== =2P8l -----END PGP SIGNATURE----- Merge tag 'powerpc-5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates and fixes from Michael Ellerman: "A bit of a mixture of things, tying up some loose ends. There's the removal of the nvlink code, which dependend on a commit in the vfio tree. Then the enablement of huge vmalloc which was in next for a few weeks but got dropped due to conflicts. And there's also a few fixes. Summary: - Remove the nvlink support now that it's only user has been removed. - Enable huge vmalloc mappings for Radix MMU (P9). - Fix KVM conversion to gfn-based MMU notifier callbacks. - Fix a kexec/kdump crash with hot plugged CPUs. - Fix boot failure on 32-bit with CONFIG_STACKPROTECTOR. - Restore alphabetic order of the selects under CONFIG_PPC. Thanks to: Christophe Leroy, Christoph Hellwig, Nicholas Piggin, Sandipan Das, and Sourabh Jain" * tag 'powerpc-5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: KVM: PPC: Book3S HV: Fix conversion to gfn-based MMU notifier callbacks powerpc/kconfig: Restore alphabetic order of the selects under CONFIG_PPC powerpc/32: Fix boot failure with CONFIG_STACKPROTECTOR powerpc/powernv/memtrace: Fix dcache flushing powerpc/kexec_file: Use current CPU info while setting up FDT powerpc/64s/radix: Enable huge vmalloc mappings powerpc/powernv: remove the nvlink support |
||
|
Steve French
|
679971e721 |
smb3: when mounting with multichannel include it in requested capabilities
In the SMB3/SMB3.1.1 negotiate protocol request, we are supposed to advertise CAP_MULTICHANNEL capability when establishing multiple channels has been requested by the user doing the mount. See MS-SMB2 sections 2.2.3 and 3.2.5.2 Without setting it there is some risk that multichannel could fail if the server interpreted the field strictly. Reviewed-By: Tom Talpey <tom@talpey.com> Reviewed-by: Shyam Prasad N <sprasad@microsoft.com> Cc: <stable@vger.kernel.org> # v5.8+ Signed-off-by: Steve French <stfrench@microsoft.com> |
||
|
Linus Torvalds
|
fc858a5231 |
Networking fixes for 5.13-rc1, including fixes from bpf, can
and netfilter trees. Self-contained fixes, nothing risky.
Current release - new code bugs:
- dsa: ksz: fix a few bugs found by static-checker in the new driver
- stmmac: fix frame preemption handshake not triggering after
interface restart
Previous releases - regressions:
- make nla_strcmp handle more then one trailing null character
- fix stack OOB reads while fragmenting IPv4 packets in openvswitch
and net/sched
- sctp: do asoc update earlier in sctp_sf_do_dupcook_a
- sctp: delay auto_asconf init until binding the first addr
- stmmac: clear receive all(RA) bit when promiscuous mode is off
- can: mcp251x: fix resume from sleep before interface was brought up
Previous releases - always broken:
- bpf: fix leakage of uninitialized bpf stack under speculation
- bpf: fix masking negation logic upon negative dst register
- netfilter: don't assume that skb_header_pointer() will never fail
- only allow init netns to set default tcp cong to a restricted algo
- xsk: fix xp_aligned_validate_desc() when len == chunk_size to
avoid false positive errors
- ethtool: fix missing NLM_F_MULTI flag when dumping
- can: m_can: m_can_tx_work_queue(): fix tx_skb race condition
- sctp: fix a SCTP_MIB_CURRESTAB leak in sctp_sf_do_dupcook_b
- bridge: fix NULL-deref caused by a races between assigning
rx_handler_data and setting the IFF_BRIDGE_PORT bit
Latecomer:
- seg6: add counters support for SRv6 Behaviors
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Networking fixes for 5.13-rc1, including fixes from bpf, can and
netfilter trees. Self-contained fixes, nothing risky.
Current release - new code bugs:
- dsa: ksz: fix a few bugs found by static-checker in the new driver
- stmmac: fix frame preemption handshake not triggering after
interface restart
Previous releases - regressions:
- make nla_strcmp handle more then one trailing null character
- fix stack OOB reads while fragmenting IPv4 packets in openvswitch
and net/sched
- sctp: do asoc update earlier in sctp_sf_do_dupcook_a
- sctp: delay auto_asconf init until binding the first addr
- stmmac: clear receive all(RA) bit when promiscuous mode is off
- can: mcp251x: fix resume from sleep before interface was brought up
Previous releases - always broken:
- bpf: fix leakage of uninitialized bpf stack under speculation
- bpf: fix masking negation logic upon negative dst register
- netfilter: don't assume that skb_header_pointer() will never fail
- only allow init netns to set default tcp cong to a restricted algo
- xsk: fix xp_aligned_validate_desc() when len == chunk_size to avoid
false positive errors
- ethtool: fix missing NLM_F_MULTI flag when dumping
- can: m_can: m_can_tx_work_queue(): fix tx_skb race condition
- sctp: fix a SCTP_MIB_CURRESTAB leak in sctp_sf_do_dupcook_b
- bridge: fix NULL-deref caused by a races between assigning
rx_handler_data and setting the IFF_BRIDGE_PORT bit
Latecomer:
- seg6: add counters support for SRv6 Behaviors"
* tag 'net-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (73 commits)
atm: firestream: Use fallthrough pseudo-keyword
net: stmmac: Do not enable RX FIFO overflow interrupts
mptcp: fix splat when closing unaccepted socket
i40e: Remove LLDP frame filters
i40e: Fix PHY type identifiers for 2.5G and 5G adapters
i40e: fix the restart auto-negotiation after FEC modified
i40e: Fix use-after-free in i40e_client_subtask()
i40e: fix broken XDP support
netfilter: nftables: avoid potential overflows on 32bit arches
netfilter: nftables: avoid overflows in nft_hash_buckets()
tcp: Specify cmsgbuf is user pointer for receive zerocopy.
mlxsw: spectrum_mr: Update egress RIF list before route's action
net: ipa: fix inter-EE IRQ register definitions
can: m_can: m_can_tx_work_queue(): fix tx_skb race condition
can: mcp251x: fix resume from sleep before interface was brought up
can: mcp251xfd: mcp251xfd_probe(): add missing can_rx_offload_del() in error path
can: mcp251xfd: mcp251xfd_probe(): fix an error pointer dereference in probe
netfilter: nftables: Fix a memleak from userdata error path in new objects
netfilter: remove BUG_ON() after skb_header_pointer()
netfilter: nfnetlink_osf: Fix a missing skb_header_pointer() NULL check
...
|
||
Masahiro Yamada
|
0ab1438bad |
linux/kconfig.h: replace IF_ENABLED() with PTR_IF() in <linux/kernel.h>
<linux/kconfig.h> is included from all the kernel-space source files, including C, assembly, linker scripts. It is intended to contain a minimal set of macros to evaluate CONFIG options. IF_ENABLED() is an intruder here because (x ? y : z) is C code, which should not be included from assembly files or linker scripts. Also, <linux/kconfig.h> is no longer self-contained because NULL is defined in <linux/stddef.h>. Move IF_ENABLED() out to <linux/kernel.h> as PTR_IF(). PTF_IF() takes the general boolean expression instead of a CONFIG option so that it fits better in <linux/kernel.h>. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Kees Cook <keescook@chromium.org> |
||
Michael Ellerman
|
f96271cefe |
Merge branch 'master' into next
Merge master back into next, this allows us to resolve some conflicts in arch/powerpc/Kconfig, and also re-sort the symbols under config PPC so that they are in alphabetical order again. |
||
Jakub Kicinski
|
55bc1af3d9 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says: ==================== Netfilter fixes for net 1) Add SECMARK revision 1 to fix incorrect layout that prevents from remove rule with this target, from Phil Sutter. 2) Fix pernet exit path spat in arptables, from Florian Westphal. 3) Missing rcu_read_unlock() for unknown nfnetlink callbacks, reported by syzbot, from Eric Dumazet. 4) Missing check for skb_header_pointer() NULL pointer in nfnetlink_osf. 5) Remove BUG_ON() after skb_header_pointer() from packet path in several conntrack helper and the TCP tracker. 6) Fix memleak in the new object error path of userdata. 7) Avoid overflows in nft_hash_buckets(), reported by syzbot, also from Eric. 8) Avoid overflows in 32bit arches, from Eric. * git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf: netfilter: nftables: avoid potential overflows on 32bit arches netfilter: nftables: avoid overflows in nft_hash_buckets() netfilter: nftables: Fix a memleak from userdata error path in new objects netfilter: remove BUG_ON() after skb_header_pointer() netfilter: nfnetlink_osf: Fix a missing skb_header_pointer() NULL check netfilter: nfnetlink: add a missing rcu_read_unlock() netfilter: arptables: use pernet ops struct during unregister netfilter: xt_SECMARK: add new revision to fix structure layout ==================== Link: https://lore.kernel.org/r/20210507174739.1850-1-pablo@netfilter.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Jakub Kicinski
|
e4d4a27220 |
Merge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Nguyen, Anthony L says: ==================== Intel Wired LAN Driver Updates 2021-05-07 This series contains updates to i40e driver only. Magnus fixes XDP by adding and correcting checks that were caused by a previous commit which introduced a new variable but did not account for it in all paths. Yunjian Wang adds a return in an error path to prevent reading a freed pointer. Jaroslaw forces link reset when changing FEC so that changes take affect. Mateusz fixes PHY types for 2.5G and 5G as there is a differentiation on PHY identifiers based on operation. Arkadiusz removes filtering of LLDP frames for software DCB as this is preventing them from being properly transmitted. * '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue: i40e: Remove LLDP frame filters i40e: Fix PHY type identifiers for 2.5G and 5G adapters i40e: fix the restart auto-negotiation after FEC modified i40e: Fix use-after-free in i40e_client_subtask() i40e: fix broken XDP support ==================== Link: https://lore.kernel.org/r/20210507164151.2878147-1-anthony.l.nguyen@intel.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
Wei Ming Chen
|
7d18dbddb7 |
atm: firestream: Use fallthrough pseudo-keyword
Add pseudo-keyword macro fallthrough[1] [1] https://www.kernel.org/doc/html/latest/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through Signed-off-by: Wei Ming Chen <jj251510319013@gmail.com> Link: https://lore.kernel.org/r/20210507123843.10602-1-jj251510319013@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
Yannick Vignon
|
8a7cb245cf |
net: stmmac: Do not enable RX FIFO overflow interrupts
The RX FIFO overflows when the system is not able to process all received packets and they start accumulating (first in the DMA queue in memory, then in the FIFO). An interrupt is then raised for each overflowing packet and handled in stmmac_interrupt(). This is counter-productive, since it brings the system (or more likely, one CPU core) to its knees to process the FIFO overflow interrupts. stmmac_interrupt() handles overflow interrupts by writing the rx tail ptr into the corresponding hardware register (according to the MAC spec, this has the effect of restarting the MAC DMA). However, without freeing any rx descriptors, the DMA stops right away, and another overflow interrupt is raised as the FIFO overflows again. Since the DMA is already restarted at the end of stmmac_rx_refill() after freeing descriptors, disabling FIFO overflow interrupts and the corresponding handling code has no side effect, and eliminates the interrupt storm when the RX FIFO overflows. Signed-off-by: Yannick Vignon <yannick.vignon@nxp.com> Link: https://lore.kernel.org/r/20210506143312.20784-1-yannick.vignon@oss.nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
Paolo Abeni
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578c18eff1 |
mptcp: fix splat when closing unaccepted socket
If userspace exits before calling accept() on a listener that had at least
one new connection ready, we get:
Attempt to release TCP socket in state 8
This happens because the mptcp socket gets cloned when the TCP connection
is ready, but the socket is never exposed to userspace.
The client additionally sends a DATA_FIN, which brings connection into
CLOSE_WAIT state. This in turn prevents the orphan+state reset fixup
in mptcp_sock_destruct() from doing its job.
Fixes:
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Linus Torvalds
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dd860052c9 |
chrome platform changes for 5.13
cros_ec_typec: * Changes around DP mode check, hard reset, tracking port change. cros_ec misc: * wilco_ec: Convert stream-like files from nonseekable to stream open * cros_usbpd_notify: Listen to EC_HSOT_EVENT_USB_MUX host event * fix format warning in cros_ec_typec -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQCtZK6p/AktxXfkOlzbaomhzOwwgUCYJWylAAKCRBzbaomhzOw ws4SAQD9Alp6FpY6ne62JRHCyQBdEHwDWGQGBvE8NRkHSRcSWAD8C5vgBLGX7Zx8 wLfzrZ6x3BKGkOJuuk3+zhVu8He7WQQ= =caTR -----END PGP SIGNATURE----- Merge tag 'tag-chrome-platform-for-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux Pull chrome platform updates from Benson Leung: "cros_ec_typec: - Changes around DP mode check, hard reset, tracking port change. cros_ec misc: - wilco_ec: Convert stream-like files from nonseekable to stream open - cros_usbpd_notify: Listen to EC_HSOT_EVENT_USB_MUX host event - fix format warning in cros_ec_typec" * tag 'tag-chrome-platform-for-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux: platform/chrome: cros_ec_lpc: Use DEFINE_MUTEX() for mutex lock platform/chrome: cros_usbpd_notify: Listen to EC_HOST_EVENT_USB_MUX host event platform/chrome: cros_ec_typec: Add DP mode check platform/chrome: cros_ec_typec: Handle hard reset platform/chrome: cros_ec: Add Type C hard reset platform/chrome: cros_ec_typec: Track port role platform/chrome: cros_ec_typec: fix clang -Wformat warning platform/chrome: cros_ec_typec: Check for device within remove function platform/chrome: wilco_ec: convert stream-like files from nonseekable_open -> stream_open |
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Linus Torvalds
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1ad77a05cf |
I3C for 5.13
Subsystem: - Fix i3c_master_register error path. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEycoQi/giopmpPgB12wIijOdRNOUFAmCVk+oACgkQ2wIijOdR NOX+sw/8C6tJ+PSd0hNJB6WGExcabQyCdgHGPteyzp3LMvKt8V3sPpDLgK0g8jjC Na17CmooWQ8cQz2s/AbVhaGBi/V3HCmWhtaYPaFl/KvDVBL7RVD5NVUsqukykYaG DT0Wg15Wlm7ESLD059uhSl2BSSvwMB8cV/uh2zItg7dyKYfiUtrdHWHBMrWt31nQ VNz7T7DdKKJUQasFLDHbg1Cc1jJdextGbrNPu7gJHArGo7Gj5zbx5/HIPuy9Clro yUbV/n2/q/ljhM5YUFeosbOOy3FBaDJ3WK4mLV2dXYWfArsNKPfSYCmovaTwAdxV UI5pC3t9aiXBWFOweMUCW76//KJPjS+0lFAC/5NIBtDty1BcX7kEq9+xnKETxosq qMDLf0DLJHyV6ZYNF1x92QqKWxWtYG+YE6oEp7aHiQMGeGP96xp2keJFBV0mX4+4 0t8ideDTEH8DqNV4gOBTM3qfnJN3CgWbiBS5LUqvimt1BC+Ne0IAE9mATxk+wqtn 9v/JlM02JuaEEDIIBsBYVvP4fmpk7NzAfZxGG02o+cUAjXyH7gHdtQZGpxeSfD8U DttAEHNL/ZgbYtHPUFeDjoI/OyWiv/YBLR+6TJENrUDFMhXOE4O80nPUc4YJnGr6 0G8NMjOF+HlKhf6j7YsLv9lBOIXF8s4aMv03u7YZf7zyfI22bR4= =KJ9U -----END PGP SIGNATURE----- Merge tag 'i3c/for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux Pull i3cupdates from Alexandre Belloni: "Fix i3c_master_register error path" * tag 'i3c/for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: Revert "i3c master: fix missing destroy_workqueue() on error in i3c_master_register" dt-bindings: i3c: Fix silvaco,i3c-master-v1 compatible string i3c: master: svc: remove redundant assignment to cmd->read_len |