./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2002059693 <...> Warning: Permanently added '10.128.0.199' (ED25519) to the list of known hosts. execve("./syz-executor2002059693", ["./syz-executor2002059693"], 0x7ffee5262f20 /* 10 vars */) = 0 brk(NULL) = 0x555571150000 brk(0x555571150d00) = 0x555571150d00 arch_prctl(ARCH_SET_FS, 0x555571150380) = 0 set_tid_address(0x555571150650) = 5068 set_robust_list(0x555571150660, 24) = 0 rseq(0x555571150ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2002059693", 4096) = 28 getrandom("\xe0\x28\xda\x2a\x0a\x53\xf7\x35", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555571150d00 brk(0x555571171d00) = 0x555571171d00 brk(0x555571172000) = 0x555571172000 mprotect(0x7fdccb623000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5069 attached , child_tidptr=0x555571150650) = 5069 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] set_robust_list(0x555571150660, 24) = 0 ./strace-static-x86_64: Process 5070 attached [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... clone resumed>, child_tidptr=0x555571150650) = 5070 [pid 5070] set_robust_list(0x555571150660, 24 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5071 attached [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] set_robust_list(0x555571150660, 24 [pid 5069] <... clone resumed>, child_tidptr=0x555571150650) = 5071 ./strace-static-x86_64: Process 5072 attached [pid 5071] <... set_robust_list resumed>) = 0 [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] <... clone resumed>, child_tidptr=0x555571150650) = 5072 [pid 5072] set_robust_list(0x555571150660, 24 [pid 5071] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5073 attached [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... set_robust_list resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555571150650) = 5073 [pid 5073] set_robust_list(0x555571150660, 24 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] setpgid(0, 0 [pid 5073] <... set_robust_list resumed>) = 0 [pid 5071] <... setpgid resumed>) = 0 [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5075 attached ./strace-static-x86_64: Process 5074 attached [pid 5073] setpgid(0, 0 [pid 5071] <... openat resumed>) = 3 [pid 5068] <... clone resumed>, child_tidptr=0x555571150650) = 5075 [pid 5074] set_robust_list(0x555571150660, 24 [pid 5073] <... setpgid resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... set_robust_list resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] set_robust_list(0x555571150660, 24 [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... clone resumed>, child_tidptr=0x555571150650) = 5074 [pid 5071] write(3, "1000", 4 [pid 5075] <... set_robust_list resumed>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5076 attached [pid 5068] <... clone resumed>, child_tidptr=0x555571150650) = 5076 [pid 5074] <... prctl resumed>) = 0 [pid 5073] <... openat resumed>) = 3 [pid 5071] <... write resumed>) = 4 ./strace-static-x86_64: Process 5077 attached [pid 5076] set_robust_list(0x555571150660, 24 [pid 5074] setpgid(0, 0 [pid 5073] write(3, "1000", 4 [pid 5071] close(3 [pid 5076] <... set_robust_list resumed>) = 0 [pid 5074] <... setpgid resumed>) = 0 [pid 5073] <... write resumed>) = 4 [pid 5077] set_robust_list(0x555571150660, 24 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... close resumed>) = 0 [pid 5077] <... set_robust_list resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x555571150650) = 5077 [pid 5071] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] close(3 [pid 5074] <... openat resumed>) = 3 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... close resumed>) = 0 [pid 5077] <... prctl resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5074] write(3, "1000", 4 [pid 5071] <... openat resumed>) = 3 [pid 5071] read(3, ./strace-static-x86_64: Process 5078 attached [pid 5077] setpgid(0, 0 [pid 5074] <... write resumed>) = 4 [pid 5073] <... openat resumed>) = 3 [pid 5078] set_robust_list(0x555571150660, 24 [pid 5077] <... setpgid resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x555571150650) = 5078 [pid 5074] close(3 [pid 5073] read(3, [pid 5071] <... read resumed>"ob", 2) = 2 [pid 5078] <... set_robust_list resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... close resumed>) = 0 [pid 5073] <... read resumed>"ob", 2) = 2 [pid 5071] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5077] <... openat resumed>) = 3 [pid 5074] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5073] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5071] <... openat resumed>) = 4 [pid 5078] <... prctl resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5077] write(3, "1000", 4 [pid 5074] <... openat resumed>) = 3 [pid 5073] <... openat resumed>) = 4 [pid 5078] setpgid(0, 0 [pid 5077] <... write resumed>) = 4 [pid 5074] read(3, [pid 5071] <... openat resumed>) = 5 [pid 5078] <... setpgid resumed>) = 0 [pid 5077] close(3 [pid 5074] <... read resumed>"ob", 2) = 2 [pid 5073] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] <... close resumed>) = 0 [pid 5073] <... openat resumed>) = 5 [pid 5071] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000100 [pid 5078] <... openat resumed>) = 3 [pid 5077] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5074] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5073] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000100 [pid 5071] <... ioctl resumed>) = 0 [pid 5078] write(3, "1000", 4 [pid 5077] <... openat resumed>) = 3 [pid 5074] <... openat resumed>) = 4 [pid 5073] <... ioctl resumed>) = 0 [pid 5078] <... write resumed>) = 4 [pid 5077] read(3, [pid 5074] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5073] ioctl(4, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000180 [pid 5071] ioctl(4, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000180 [pid 5078] close(3 [pid 5077] <... read resumed>"ob", 2) = 2 [pid 5074] <... openat resumed>) = 5 [pid 5073] <... ioctl resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5078] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5077] <... openat resumed>) = 4 [pid 5074] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000100 [pid 5073] ioctl(6, SYNC_IOC_MERGE, 0x200000c0 [pid 5071] ioctl(6, SYNC_IOC_MERGE, 0x200000c0 [pid 5078] <... openat resumed>) = 3 [pid 5077] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5074] <... ioctl resumed>) = 0 [pid 5073] <... ioctl resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 5077] <... openat resumed>) = 5 [pid 5078] read(3, "ob", 2) = 2 [pid 5074] ioctl(4, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000180 [pid 5073] poll([{fd=8, events=0}, {fd=6, events=0}], 2, 32766 [pid 5071] poll([{fd=8, events=0}, {fd=6, events=0}], 2, 32766 [pid 5078] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5077] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000100 [pid 5074] <... ioctl resumed>) = 0 [pid 5078] <... openat resumed>) = 4 [pid 5077] <... ioctl resumed>) = 0 [pid 5074] ioctl(6, SYNC_IOC_MERGE, 0x200000c0 [pid 5078] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5077] ioctl(4, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000180 [pid 5078] <... openat resumed>) = 5 [pid 5074] <... ioctl resumed>) = 0 [pid 5077] <... ioctl resumed>) = 0 [pid 5074] poll([{fd=8, events=0}, {fd=6, events=0}], 2, 32766 [pid 5078] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000100 [pid 5077] ioctl(6, SYNC_IOC_MERGE, 0x200000c0 [pid 5078] <... ioctl resumed>) = 0 [pid 5077] <... ioctl resumed>) = 0 [pid 5078] ioctl(4, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000180 [pid 5077] poll([{fd=8, events=0}, {fd=6, events=0}], 2, 32766 [pid 5078] <... ioctl resumed>) = 0 [pid 5078] ioctl(6, SYNC_IOC_MERGE, 0x200000c0) = 0 [pid 5078] poll([{fd=8, events=0}, {fd=6, events=0}], 2, 32766 [pid 5069] kill(-5071, SIGKILL [pid 5071] <... poll resumed> ) = ? [pid 5069] <... kill resumed>) = 0 [pid 5069] kill(5071, SIGKILL) = 0 [pid 5070] kill(-5073, SIGKILL [pid 5075] kill(-5077, SIGKILL [pid 5077] <... poll resumed> ) = ? [pid 5075] <... kill resumed>) = 0 [pid 5072] kill(-5074, SIGKILL [pid 5070] <... kill resumed>) = 0 [pid 5077] +++ killed by SIGKILL +++ [pid 5075] kill(5077, SIGKILL [pid 5073] <... poll resumed> ) = ? [pid 5075] <... kill resumed>) = 0 [pid 5074] <... poll resumed> ) = ? [pid 5073] +++ killed by SIGKILL +++ [pid 5072] <... kill resumed>) = 0 [pid 5070] kill(5073, SIGKILL [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5077, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 5070] <... kill resumed>) = 0 [pid 5076] kill(-5078, SIGKILL [pid 5074] +++ killed by SIGKILL +++ [pid 5072] kill(5074, SIGKILL [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5073, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 5078] <... poll resumed> ) = ? [pid 5076] <... kill resumed>) = 0 [pid 5078] +++ killed by SIGKILL +++ [pid 5076] kill(5078, SIGKILL [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... kill resumed>) = 0 [pid 5076] <... kill resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5074, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5078, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5081 attached [pid 5075] <... clone resumed>, child_tidptr=0x555571150650) = 5079 [pid 5081] set_robust_list(0x555571150660, 24) = 0 [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5082 attached [pid 5076] <... clone resumed>, child_tidptr=0x555571150650) = 5080 [pid 5082] set_robust_list(0x555571150660, 24 [pid 5081] <... prctl resumed>) = 0 [pid 5081] setpgid(0, 0 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5081] <... setpgid resumed>) = 0 [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5082] <... prctl resumed>) = 0 [pid 5081] <... openat resumed>) = 3 [pid 5072] <... clone resumed>, child_tidptr=0x555571150650) = 5082 [pid 5070] <... clone resumed>, child_tidptr=0x555571150650) = 5081 [pid 5082] setpgid(0, 0) = 0 [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 67.721223][ C0] [ 67.723601][ C0] ================================ [ 67.728697][ C0] WARNING: inconsistent lock state [ 67.734586][ C0] 6.8.0-syzkaller-08073-g480e035fc4c7 #0 Not tainted [ 67.741258][ C0] -------------------------------- [ 67.746571][ C0] inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. [ 67.753473][ C0] syz-executor200/5071 [HC1[1]:SC0[0]:HE0:SE1] takes: [ 67.760256][ C0] ffffffff8ea9c5d8 (sync_timeline_list_lock){?.+.}-{2:2}, at: sync_timeline_debug_remove+0x2c/0x150 [ 67.771884][ C0] {HARDIRQ-ON-W} state was registered at: [ 67.777699][ C0] trace_hardirqs_on+0x28/0x40 [ 67.782547][ C0] _raw_spin_unlock_irq+0x23/0x50 [ 67.787713][ C0] sync_info_debugfs_show+0x158/0x4d0 [ 67.793189][ C0] seq_read_iter+0x445/0xd60 [ 67.797867][ C0] seq_read+0x3a4/0x4f0 [ 67.802127][ C0] vfs_read+0x204/0xb70 [ 67.806400][ C0] ksys_read+0x1a0/0x2c0 [ 67.810748][ C0] do_syscall_64+0xfb/0x240 [ 67.815355][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 67.821330][ C0] irq event stamp: 1628 [ 67.825595][ C0] hardirqs last enabled at (1627): [] _raw_spin_unlock_irq+0x23/0x50 [ 67.835358][ C0] hardirqs last disabled at (1628): [] sysvec_irq_work+0xe/0xc0 [ 67.844818][ C0] softirqs last enabled at (696): [] __irq_exit_rcu+0xf2/0x1c0 [ 67.854019][ C0] softirqs last disabled at (679): [] __irq_exit_rcu+0xf2/0x1c0 [ 67.863215][ C0] [ 67.863215][ C0] other info that might help us debug this: [ 67.871359][ C0] Possible unsafe locking scenario: [ 67.871359][ C0] [ 67.878789][ C0] CPU0 [ 67.882060][ C0] ---- [ 67.885341][ C0] lock(sync_timeline_list_lock); [ 67.890444][ C0] [ 67.893880][ C0] lock(sync_timeline_list_lock); [ 67.899154][ C0] [ 67.899154][ C0] *** DEADLOCK *** [ 67.899154][ C0] [ 67.907542][ C0] no locks held by syz-executor200/5071. [ 67.913176][ C0] [ 67.913176][ C0] stack backtrace: [ 67.919147][ C0] CPU: 0 PID: 5071 Comm: syz-executor200 Not tainted 6.8.0-syzkaller-08073-g480e035fc4c7 #0 [ 67.929207][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 67.939350][ C0] Call Trace: [ 67.942642][ C0] [ 67.945474][ C0] dump_stack_lvl+0x241/0x360 [ 67.950157][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 67.955390][ C0] ? print_usage_bug+0x61a/0x8a0 [ 67.960363][ C0] ? is_bpf_text_address+0x28d/0x2b0 [ 67.965665][ C0] valid_state+0x13a/0x1c0 [ 67.970298][ C0] mark_lock_irq+0xbb/0xc20 [ 67.974825][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 67.979758][ C0] ? __pfx_mark_lock_irq+0x10/0x10 [ 67.984856][ C0] ? stack_trace_save+0x118/0x1d0 [ 67.989883][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 67.995271][ C0] ? lockdep_lock+0x123/0x2b0 [ 68.000043][ C0] ? save_trace+0x5a/0xb40 [ 68.004466][ C0] ? do_raw_spin_unlock+0x13c/0x8b0 [ 68.009831][ C0] mark_lock+0x223/0x350 [ 68.014070][ C0] __lock_acquire+0xb8e/0x1fd0 [ 68.018855][ C0] lock_acquire+0x1e4/0x530 [ 68.023343][ C0] ? sync_timeline_debug_remove+0x2c/0x150 [ 68.029142][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 68.034151][ C0] ? timeline_fence_release+0x1ce/0x250 [ 68.039689][ C0] ? do_raw_spin_lock+0x14f/0x370 [ 68.044716][ C0] ? __pfx_lock_release+0x10/0x10 [ 68.049746][ C0] ? do_raw_spin_unlock+0x13c/0x8b0 [ 68.054934][ C0] _raw_spin_lock_irqsave+0xd5/0x120 [ 68.060207][ C0] ? sync_timeline_debug_remove+0x2c/0x150 [ 68.066083][ C0] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 68.072058][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 68.077938][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 68.084266][ C0] ? kvfree_call_rcu+0x48c/0x790 [ 68.089193][ C0] sync_timeline_debug_remove+0x2c/0x150 [ 68.094814][ C0] timeline_fence_release+0x204/0x250 [ 68.100186][ C0] dma_fence_array_release+0x13e/0x240 [ 68.105653][ C0] irq_work_single+0xe2/0x240 [ 68.110319][ C0] irq_work_run+0x18b/0x350 [ 68.114807][ C0] ? __pfx_irq_work_run+0x10/0x10 [ 68.119820][ C0] ? __irq_exit_rcu+0xfe/0x1c0 [ 68.124653][ C0] ? __pfx___irq_exit_rcu+0x10/0x10 [ 68.129837][ C0] __sysvec_irq_work+0xa8/0x3e0 [ 68.134686][ C0] sysvec_irq_work+0x9e/0xc0 [ 68.139263][ C0] [ 68.142176][ C0] [ 68.145085][ C0] asm_sysvec_irq_work+0x1a/0x20 [ 68.150031][ C0] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 68.155853][ C0] Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ba c4 f2 f5 48 89 df e8 72 04 f4 f5 e8 cd 29 1d f6 fb bf 01 00 00 00 02 f1 e5 f5 65 8b 05 53 d5 84 74 85 c0 74 06 5b c3 cc cc cc cc [ 68.175453][ C0] RSP: 0018:ffffc90003a578f0 EFLAGS: 00000286 [ 68.181511][ C0] RAX: c4e6677360525400 RBX: ffff88802e792650 RCX: ffffffff944d9603 [ 68.189470][ C0] RDX: dffffc0000000000 RSI: ffffffff8baac1e0 RDI: 0000000000000001 [ 68.197427][ C0] RBP: ffff888028f18c3c R08: ffffffff8f872cef R09: 1ffffffff1f0e59d [ 68.205416][ C0] R10: dffffc0000000000 R11: fffffbfff1f0e59e R12: ffff88802e792640 [ 68.213388][ C0] R13: ffff888028f18c00 R14: dffffc0000000000 R15: ffff88802e792600 [ 68.221386][ C0] sw_sync_debugfs_release+0x14b/0x1d0 [ 68.226836][ C0] ? __pfx_sw_sync_debugfs_release+0x10/0x10 [ 68.232972][ C0] __fput+0x429/0x8a0 [ 68.236944][ C0] task_work_run+0x24f/0x310 [ 68.241541][ C0] ? __pfx_task_work_run+0x10/0x10 [ 68.246666][ C0] ? switch_task_namespaces+0xe1/0x110 [ 68.252122][ C0] do_exit+0xa1b/0x27e0 [ 68.256347][ C0] ? __pfx_do_exit+0x10/0x10 [ 68.260961][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 68.266325][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 68.272588][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 68.279101][ C0] ? _raw_spin_lock_irq+0xdf/0x120 [ 68.284256][ C0] do_group_exit+0x207/0x2c0 [ 68.288872][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 68.294149][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 68.299337][ C0] get_signal+0x176e/0x1850 [ 68.303861][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 68.310207][ C0] ? __pfx_get_signal+0x10/0x10 [ 68.315064][ C0] arch_do_signal_or_restart+0x96/0x860 [ 68.320652][ C0] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 68.326920][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 68.332916][ C0] ? syscall_exit_to_user_mode+0xa3/0x360 [ 68.338651][ C0] syscall_exit_to_user_mode+0xc9/0x360 [ 68.344209][ C0] do_syscall_64+0x10a/0x240 [ 68.348818][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 68.354697][ C0] RIP: 0033:0x7fdccb5afd29 [ 68.359196][ C0] Code: Unable to access opcode bytes at 0x7fdccb5afcff. [pid 5081] write(3, "1000", 4 [pid 5082] <... openat resumed>) = 3 [pid 5081] <... write resumed>) = 4 [pid 5081] close(3) = 0 [pid 5082] write(3, "1000", 4 [pid 5081] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5082] <... write resumed>) = 4 [pid 5081] <... openat resumed>) = 3 [pid 5082] close(3) = 0 [pid 5081] read(3, [pid 5082] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5081] <... read resumed>"ob", 2) = 2 [pid 5082] <... openat resumed>) = 3 [pid 5081] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5082] read(3, [pid 5081] <... openat resumed>) = 4 [pid 5082] <... read resumed>"ob", 2) = 2 [pid 5081] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5082] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5081] <... openat resumed>) = 5 [pid 5082] <... openat resumed>) = 4 [pid 5081] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000100 [pid 5082] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5081] <... ioctl resumed>) = 0 [pid 5082] <... openat resumed>) = 5 [pid 5081] ioctl(4, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000180 [pid 5082] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000100 [pid 5081] <... ioctl resumed>) = 0 [pid 5082] <... ioctl resumed>) = 0 [pid 5082] ioctl(4, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000180 [pid 5081] ioctl(6, SYNC_IOC_MERGE, 0x200000c0 [pid 5082] <... ioctl resumed>) = 0 [pid 5081] <... ioctl resumed>) = 0 [pid 5082] ioctl(6, SYNC_IOC_MERGE, 0x200000c0 [pid 5081] poll([{fd=8, events=0}, {fd=6, events=0}], 2, 32766 [pid 5082] <... ioctl resumed>) = 0 [pid 5082] poll([{fd=8, events=0}, {fd=6, events=0}], 2, 32766./strace-static-x86_64: Process 5079 attached [pid 5079] set_robust_list(0x555571150660, 24) = 0 [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5080 attached [pid 5080] set_robust_list(0x555571150660, 24 [pid 5079] setpgid(0, 0 [pid 5080] <... set_robust_list resumed>) = 0 [pid 5079] <... setpgid resumed>) = 0 [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] <... prctl resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5080] setpgid(0, 0) = 0 [pid 5079] write(3, "1000", 4 [pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... write resumed>) = 4 [pid 5080] <... openat resumed>) = 3 [pid 5079] close(3) = 0 [pid 5080] write(3, "1000", 4 [pid 5079] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5080] <... write resumed>) = 4 [pid 5079] <... openat resumed>) = 3 [pid 5080] close(3) = 0 [pid 5080] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5079] read(3, "ob", 2) = 2 [pid 5080] <... openat resumed>) = 3 [pid 5079] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 4 [pid 5080] read(3, [pid 5079] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5080] <... read resumed>"ob", 2) = 2 [pid 5079] <... openat resumed>) = 5 [pid 5080] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 4 [pid 5079] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000100) = 0 [pid 5079] ioctl(4, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000180) = 0 [pid 5080] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5079] ioctl(6, SYNC_IOC_MERGE, 0x200000c0 [pid 5080] <... openat resumed>) = 5 [pid 5079] <... ioctl resumed>) = 0 [pid 5080] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000100 [pid 5079] poll([{fd=8, events=0}, {fd=6, events=0}], 2, 32766 [pid 5080] <... ioctl resumed>) = 0 [pid 5080] ioctl(4, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000180) = 0 [pid 5080] ioctl(6, SYNC_IOC_MERGE, 0x200000c0) = 0 [pid 5080] poll([{fd=8, events=0}, {fd=6, events=0}], 2, 32766 [pid 5069] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(3, 0x5555711516f0 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(3, 0x5555711516f0 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5071] +++ killed by SIGKILL +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5071, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5083 attached [pid 5083] set_robust_list(0x555571150660, 24 [pid 5069] <... clone resumed>, child_tidptr=0x555571150650) = 5083 [pid 5083] <... set_robust_list resumed>) = 0 [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5083] setpgid(0, 0) = 0 [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5083] write(3, "1000", 4) = 4 [pid 5083] close(3) = 0 [pid 5083] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5083] read(3, "ob", 2) = 2 [pid 5083] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 4 [pid 5083] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [ 68.366402][ C0] RSP: 002b:00007fffbdea6c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 [ 68.374912][ C0] RAX: fffffffffffffdfc RBX: 0000000000000000 RCX: 00007fdccb5afd29 [ 68.382914][ C0] RDX: 0000000000007ffe RSI: 0000000000000002 RDI: 0000000020000280 [ 68.391018][ C0] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 68.399070][ C0] R10: 00000000000000a0 R11: 0000000000000246 R12: 0000000000000001 [ 68.407230][ C0] R13: 00007fffbdea6e88 R14: 00007fffbdea6c90 R15: 00007fffbdea6c80 [ 68.415401][ C0] [pid 5083] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000100) = 0 [pid 5083] ioctl(4, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000180) = 0 [pid 5083] ioctl(6, SYNC_IOC_MERGE, 0x200000c0) = 0 [pid 5083] poll([{fd=8, events=0}, {fd=6, events=0}], 2, 32766 [pid 5076] kill(-5080, SIGKILL [pid 5072] kill(-5082, SIGKILL [pid 5070] kill(-5081, SIGKILL [pid 5080] <... poll resumed> ) = ? [pid 5076] <... kill resumed>) = 0 [pid 5072] <... kill resumed>) = 0 [pid 5082] <... poll resumed> ) = ? [pid 5081] <... poll resumed> ) = ? [pid 5076] kill(5080, SIGKILL [pid 5072] kill(5082, SIGKILL [pid 5070] <... kill resumed>) = 0 [pid 5076] <... kill resumed>) = 0 [pid 5072] <... kill resumed>) = 0 [pid 5082] +++ killed by SIGKILL +++ [pid 5080] +++ killed by SIGKILL +++ [pid 5081] +++ killed by SIGKILL +++ [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5080, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5082, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 5070] kill(5081, SIGKILL) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5081, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] kill(-5079, SIGKILL./strace-static-x86_64: Process 5084 attached [pid 5079] <... poll resumed> ) = ? [pid 5075] <... kill resumed>) = 0 ./strace-static-x86_64: Process 5085 attached [pid 5085] set_robust_list(0x555571150660, 24 [pid 5084] set_robust_list(0x555571150660, 24 [pid 5085] <... set_robust_list resumed>) = 0 [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5085] setpgid(0, 0 [pid 5072] <... clone resumed>, child_tidptr=0x555571150650) = 5085 [pid 5085] <... setpgid resumed>) = 0 [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] +++ killed by SIGKILL +++ [pid 5076] <... clone resumed>, child_tidptr=0x555571150650) = 5084 [pid 5084] <... set_robust_list resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5079, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5085] write(3, "1000", 4) = 4 [pid 5085] close(3./strace-static-x86_64: Process 5086 attached [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] kill(5079, SIGKILL) = 0 [pid 5086] set_robust_list(0x555571150660, 24 [pid 5085] <... close resumed>) = 0 [pid 5084] <... prctl resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555571150650) = 5086 [pid 5086] <... set_robust_list resumed>) = 0 [pid 5085] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5084] setpgid(0, 0 [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] <... openat resumed>) = 3 [pid 5084] <... setpgid resumed>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5086] <... prctl resumed>) = 0 [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5086] setpgid(0, 0) = 0 [pid 5085] read(3, [pid 5084] <... openat resumed>) = 3 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5085] <... read resumed>"ob", 2) = 2 [pid 5085] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5086] <... openat resumed>) = 3 [pid 5084] write(3, "1000", 4 [pid 5085] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5087 attached [pid 5086] write(3, "1000", 4 [pid 5085] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5084] <... write resumed>) = 4 [pid 5087] set_robust_list(0x555571150660, 24 [pid 5086] <... write resumed>) = 4 [pid 5085] <... openat resumed>) = 5 [pid 5084] close(3 [pid 5075] <... clone resumed>, child_tidptr=0x555571150650) = 5087 [pid 5087] <... set_robust_list resumed>) = 0 [pid 5086] close(3 [pid 5085] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000100 [pid 5084] <... close resumed>) = 0 [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5086] <... close resumed>) = 0 [pid 5085] <... ioctl resumed>) = 0 [pid 5087] <... prctl resumed>) = 0 [pid 5084] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5087] setpgid(0, 0 [pid 5086] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5085] ioctl(4, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000180 [pid 5084] <... openat resumed>) = 3 [pid 5087] <... setpgid resumed>) = 0 [pid 5086] <... openat resumed>) = 3 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5085] <... ioctl resumed>) = 0 [pid 5084] read(3, [pid 5087] <... openat resumed>) = 3 [pid 5086] read(3, [pid 5085] ioctl(6, SYNC_IOC_MERGE, 0x200000c0 [pid 5084] <... read resumed>"ob", 2) = 2 [pid 5086] <... read resumed>"ob", 2) = 2 [pid 5087] write(3, "1000", 4) = 4 [pid 5087] close(3 [pid 5086] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5085] <... ioctl resumed>) = 0 [pid 5084] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5087] <... close resumed>) = 0 [pid 5087] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5086] <... openat resumed>) = 4 [pid 5085] poll([{fd=8, events=0}, {fd=6, events=0}], 2, 32766 [pid 5084] <... openat resumed>) = 4 [pid 5086] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5087] <... openat resumed>) = 3 [pid 5086] <... openat resumed>) = 5 [pid 5084] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5087] read(3, "ob", 2) = 2 [pid 5086] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000100 [pid 5084] <... openat resumed>) = 5 [pid 5087] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 4 [pid 5086] <... ioctl resumed>) = 0 [pid 5086] ioctl(4, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000180 [pid 5084] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000100) = 0 [pid 5087] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5086] <... ioctl resumed>) = 0 [pid 5087] <... openat resumed>) = 5 [pid 5084] ioctl(4, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000180 [pid 5087] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000100) = 0 [pid 5086] ioctl(6, SYNC_IOC_MERGE, 0x200000c0 [pid 5084] <... ioctl resumed>) = 0 [pid 5087] ioctl(4, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000180 [pid 5086] <... ioctl resumed>) = 0 [pid 5087] <... ioctl resumed>) = 0 [pid 5084] ioctl(6, SYNC_IOC_MERGE, 0x200000c0 [pid 5087] ioctl(6, SYNC_IOC_MERGE, 0x200000c0 [pid 5086] poll([{fd=8, events=0}, {fd=6, events=0}], 2, 32766 [pid 5084] <... ioctl resumed>) = 0 [pid 5087] <... ioctl resumed>) = 0 [pid 5084] poll([{fd=8, events=0}, {fd=6, events=0}], 2, 32766 [pid 5087] poll([{fd=8, events=0}, {fd=6, events=0}], 2, 32766 [pid 5069] kill(-5083, SIGKILL) = 0 [pid 5083] <... poll resumed> ) = ? [pid 5069] kill(5083, SIGKILL) = 0 [pid 5083] +++ killed by SIGKILL +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5083, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5088 attached [pid 5088] set_robust_list(0x555571150660, 24 [pid 5069] <... clone resumed>, child_tidptr=0x555571150650) = 5088 [pid 5088] <... set_robust_list resumed>) = 0 [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5088] setpgid(0, 0) = 0 [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5088] write(3, "1000", 4) = 4 [pid 5088] close(3) = 0 [pid 5088] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5088] read(3, "ob", 2) = 2 [pid 5088] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 4 [pid 5088] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [pid 5088] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000100) = 0 [pid 5088] ioctl(4, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000180) = 0 [pid 5088] ioctl(6, SYNC_IOC_MERGE, 0x200000c0) = 0