./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1096144691 <...> Warning: Permanently added '10.128.1.23' (ED25519) to the list of known hosts. execve("./syz-executor1096144691", ["./syz-executor1096144691"], 0x7ffddef80aa0 /* 10 vars */) = 0 brk(NULL) = 0x555556c9c000 brk(0x555556c9cd00) = 0x555556c9cd00 arch_prctl(ARCH_SET_FS, 0x555556c9c380) = 0 set_tid_address(0x555556c9c650) = 5056 set_robust_list(0x555556c9c660, 24) = 0 rseq(0x555556c9cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1096144691", 4096) = 28 getrandom("\x7b\x34\xa9\x25\xb9\x03\x63\x1f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556c9cd00 brk(0x555556cbdd00) = 0x555556cbdd00 brk(0x555556cbe000) = 0x555556cbe000 mprotect(0x7fcf40ef4000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c9c650) = 5057 ./strace-static-x86_64: Process 5057 attached [pid 5057] set_robust_list(0x555556c9c660, 24) = 0 [pid 5057] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5057] setsid() = 1 [pid 5057] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5057] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5057] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5057] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5057] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5057] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5057] unshare(CLONE_NEWNS) = 0 [pid 5057] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5057] unshare(CLONE_NEWIPC) = 0 [pid 5057] unshare(CLONE_NEWCGROUP) = 0 [pid 5057] unshare(CLONE_NEWUTS) = 0 [pid 5057] unshare(CLONE_SYSVSEM) = 0 [pid 5057] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5057] write(3, "16777216", 8) = 8 [pid 5057] close(3) = 0 [pid 5057] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5057] write(3, "536870912", 9) = 9 [pid 5057] close(3) = 0 [pid 5057] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5057] write(3, "1024", 4) = 4 [pid 5057] close(3) = 0 [pid 5057] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5057] write(3, "8192", 4) = 4 [pid 5057] close(3) = 0 [pid 5057] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5057] write(3, "1024", 4) = 4 [pid 5057] close(3) = 0 [pid 5057] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5057] write(3, "1024", 4) = 4 [pid 5057] close(3) = 0 [pid 5057] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5057] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5057] close(3) = 0 [pid 5057] getpid() = 1 [pid 5057] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< f7 f1 49 89 d4 48 8b 84 24 e8 00 00 00 42 80 3c 28 00 48 8b 9c [ 58.494081][ T5057] RSP: 0018:ffffc900042c77e0 EFLAGS: 00010246 [ 58.500160][ T5057] RAX: 0000000000000003 RBX: 0000000000000003 RCX: 0000000000000000 [ 58.508133][ T5057] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807ace7000 [ 58.516144][ T5057] RBP: ffffc900042c7a50 R08: ffff88807ace7fff R09: 0000000000000000 [ 58.524113][ T5057] R10: ffff88807ace7000 R11: ffffed100f59d000 R12: ffff8880bfec4017 [ 58.532085][ T5057] R13: dffffc0000000000 R14: 0000000000000002 R15: ffff8880bfec4014 [ 58.540054][ T5057] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 58.548995][ T5057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.555599][ T5057] CR2: 00007fcf40ec7db8 CR3: 000000006a0e0000 CR4: 00000000003506f0 [ 58.563594][ T5057] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.571566][ T5057] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.579531][ T5057] Call Trace: [ 58.582806][ T5057] [ 58.585735][ T5057] ? __die_body+0x8b/0xe0 [ 58.590073][ T5057] ? die+0xa1/0xd0 [ 58.593792][ T5057] ? do_trap+0x153/0x380 [ 58.598053][ T5057] ? do_journal_end+0x18fe/0x4b40 [ 58.603077][ T5057] ? do_error_trap+0x1dc/0x2c0 [ 58.607914][ T5057] ? do_journal_end+0x18fe/0x4b40 [ 58.612982][ T5057] ? fs_reclaim_acquire+0x92/0x120 [ 58.618104][ T5057] ? do_int3+0x50/0x50 [ 58.622174][ T5057] ? rcu_is_watching+0x15/0xb0 [ 58.626938][ T5057] ? exc_divide_error+0x39/0x50 [ 58.631806][ T5057] ? do_journal_end+0x18fe/0x4b40 [ 58.636828][ T5057] ? asm_exc_divide_error+0x1a/0x20 [ 58.642027][ T5057] ? do_journal_end+0x18fe/0x4b40 [ 58.647057][ T5057] ? journal_join_abort+0xe0/0xe0 [ 58.652080][ T5057] ? journal_mark_dirty+0xe40/0xe40 [ 58.657279][ T5057] ? dqput+0x450/0x450 [ 58.661348][ T5057] ? journal_end_sync+0x112/0x1e0 [ 58.666371][ T5057] reiserfs_sync_fs+0xce/0x150 [ 58.671136][ T5057] ? handle_attrs+0x1f0/0x1f0 [ 58.675812][ T5057] ? __dentry_kill+0x52e/0x660 [ 58.680583][ T5057] ? __static_call_return0+0x9/0x10 [ 58.685782][ T5057] ? dentry_kill+0xbb/0x290 [ 58.690283][ T5057] ? get_nr_dirty_inodes+0x1c7/0x210 [ 58.695587][ T5057] sync_filesystem+0xec/0x220 [ 58.700290][ T5057] generic_shutdown_super+0x72/0x2c0 [ 58.705576][ T5057] kill_block_super+0x44/0x90 [ 58.710251][ T5057] deactivate_locked_super+0xc1/0x130 [ 58.715618][ T5057] cleanup_mnt+0x426/0x4c0 [ 58.720050][ T5057] ? _raw_spin_unlock_irq+0x23/0x50 [ 58.725267][ T5057] task_work_run+0x24a/0x300 [ 58.729865][ T5057] ? kasan_quarantine_put+0xd8/0x230 [ 58.735169][ T5057] ? task_work_cancel+0x2b0/0x2b0 [ 58.740193][ T5057] ? kmem_cache_free+0x299/0x470 [ 58.745146][ T5057] ? do_exit+0xa2f/0x2750 [ 58.749479][ T5057] do_exit+0xa34/0x2750 [ 58.753638][ T5057] ? put_task_struct+0xb0/0xb0 [ 58.758400][ T5057] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 58.764378][ T5057] ? print_irqtrace_events+0x220/0x220 [ 58.769841][ T5057] ? _raw_spin_unlock_irq+0x23/0x50 [ 58.776772][ T5057] ? lockdep_hardirqs_on+0x98/0x140 [ 58.781968][ T5057] do_group_exit+0x206/0x2c0 [ 58.786563][ T5057] __x64_sys_exit_group+0x3f/0x40 [ 58.791585][ T5057] do_syscall_64+0x45/0x110 [ 58.796095][ T5057] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 58.801994][ T5057] RIP: 0033:0x7fcf40e7d849 [ 58.806408][ T5057] Code: Unable to access opcode bytes at 0x7fcf40e7d81f. [ 58.813422][ T5057] RSP: 002b:00007ffc8057cc08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 58.821843][ T5057] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcf40e7d849 [ 58.829825][ T5057] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 58.837793][ T5057] RBP: 00007fcf40efa2d0 R08: ffffffffffffffb8 R09: 00007ffc8057cce0 [ 58.845761][ T5057] R10: 00007ffc8057cce0 R11: 0000000000000246 R12: 00007fcf40efa2d0 [ 58.853727][ T5057] R13: 0000000000000000 R14: 00007fcf40efb040 R15: 00007fcf40e4bd70 [ 58.861703][ T5057] [ 58.864711][ T5057] Modules linked in: [ 58.868806][ T5057] ---[ end trace 0000000000000000 ]--- [ 58.874323][ T5057] RIP: 0010:do_journal_end+0x18fe/0x4b40 [ 58.880088][ T5057] Code: 28 84 c0 0f 85 ff 2b 00 00 4a 8d 5c 33 01 4c 89 e0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 06 2c 00 00 41 8b 0f 48 89 d8 31 d2 <48> f7 f1 49 89 d4 48 8b 84 24 e8 00 00 00 42 80 3c 28 00 48 8b 9c [ 58.900105][ T5057] RSP: 0018:ffffc900042c77e0 EFLAGS: 00010246 [ 58.906192][ T5057] RAX: 0000000000000003 RBX: 0000000000000003 RCX: 0000000000000000 [ 58.914330][ T5057] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807ace7000 [ 58.922435][ T5057] RBP: ffffc900042c7a50 R08: ffff88807ace7fff R09: 0000000000000000 [ 58.930434][ T5057] R10: ffff88807ace7000 R11: ffffed100f59d000 R12: ffff8880bfec4017 [ 58.938547][ T5057] R13: dffffc0000000000 R14: 0000000000000002 R15: ffff8880bfec4014 [ 58.946703][ T5057] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 58.955726][ T5057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.962352][ T5057] CR2: 00007fcf40ec7db8 CR3: 000000006a0e0000 CR4: 00000000003506f0 [ 58.970357][ T5057] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.978378][ T5057] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.986345][ T5057] Kernel panic - not syncing: Fatal exception [ 58.992481][ T5057] Kernel Offset: disabled [ 58.996793][ T5057] Rebooting in 86400 seconds..