./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3688402116 <...> Warning: Permanently added '10.128.1.88' (ED25519) to the list of known hosts. execve("./syz-executor3688402116", ["./syz-executor3688402116"], 0x7ffd5857f2b0 /* 10 vars */) = 0 brk(NULL) = 0x55555667e000 brk(0x55555667ed00) = 0x55555667ed00 arch_prctl(ARCH_SET_FS, 0x55555667e380) = 0 set_tid_address(0x55555667e650) = 5036 set_robust_list(0x55555667e660, 24) = 0 rseq(0x55555667eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3688402116", 4096) = 28 getrandom("\x1c\x83\x76\xa7\xb3\xd2\xb7\x2e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555667ed00 brk(0x55555669fd00) = 0x55555669fd00 brk(0x5555566a0000) = 0x5555566a0000 mprotect(0x7f85bf60e000, 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=0x55555667e650) = 5037 ./strace-static-x86_64: Process 5037 attached [pid 5037] set_robust_list(0x55555667e660, 24) = 0 [pid 5037] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5037] setsid() = 1 [pid 5037] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5037] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5037] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5037] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5037] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5037] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5037] unshare(CLONE_NEWNS) = 0 [pid 5037] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5037] unshare(CLONE_NEWIPC) = 0 [pid 5037] unshare(CLONE_NEWCGROUP) = 0 [pid 5037] unshare(CLONE_NEWUTS) = 0 [pid 5037] unshare(CLONE_SYSVSEM) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "16777216", 8) = 8 [pid 5037] close(3) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "536870912", 9) = 9 [pid 5037] close(3) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "1024", 4) = 4 [pid 5037] close(3) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "8192", 4) = 4 [pid 5037] close(3) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "1024", 4) = 4 [pid 5037] close(3) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "1024", 4) = 4 [pid 5037] close(3) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5037] close(3) = 0 [pid 5037] getpid() = 1 [pid 5037] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 49 c7 c6 60 52 82 8a 4d 89 f4 eb c5 e8 fd 7d 61 ff 4d 85 e4 [ 46.792170][ T5037] RSP: 0018:ffffc9000399f920 EFLAGS: 00010293 [ 46.798236][ T5037] RAX: 0000000000000000 RBX: ffff888019efa000 RCX: 0000000000000000 [ 46.806214][ T5037] RDX: ffff88802285bb80 RSI: ffffffff82254490 RDI: 0000000000000005 [ 46.814264][ T5037] RBP: ffffc9000399f9f0 R08: 0000000000000005 R09: 0000000000000000 [ 46.822220][ T5037] R10: 0000000080000000 R11: 0000000000000001 R12: ffffffff8a82b8e0 [ 46.830262][ T5037] R13: ffffffff8a82c100 R14: ffffffff8a825220 R15: 0000000000000213 [ 46.838236][ T5037] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 46.847251][ T5037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.853932][ T5037] CR2: 00007ffe9caeafd8 CR3: 000000000c776000 CR4: 00000000003506f0 [ 46.861903][ T5037] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.869860][ T5037] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.877828][ T5037] Call Trace: [ 46.881092][ T5037] [ 46.884008][ T5037] ? die+0x31/0x80 [ 46.887722][ T5037] ? do_trap+0x1ab/0x3b0 [ 46.891960][ T5037] ? __reiserfs_panic+0x100/0x150 [ 46.897060][ T5037] ? do_error_trap+0x9e/0x160 [ 46.901775][ T5037] ? __reiserfs_panic+0x100/0x150 [ 46.906872][ T5037] ? handle_invalid_op+0x2c/0x30 [ 46.911817][ T5037] ? __reiserfs_panic+0x100/0x150 [ 46.916825][ T5037] ? exc_invalid_op+0x2d/0x40 [ 46.921497][ T5037] ? asm_exc_invalid_op+0x1a/0x20 [ 46.926516][ T5037] ? __reiserfs_panic+0x100/0x150 [ 46.931524][ T5037] ? __reiserfs_panic+0x100/0x150 [ 46.936561][ T5037] ? reiserfs_debug+0x10/0x10 [ 46.941224][ T5037] ? preempt_count_sub+0x150/0x150 [ 46.946336][ T5037] do_journal_end+0x40da/0x4c80 [ 46.951279][ T5037] ? reiserfs_prepare_for_journal+0x2b0/0x2b0 [ 46.957457][ T5037] ? dquot_scan_active+0x2f0/0x2f0 [ 46.962566][ T5037] reiserfs_sync_fs+0x10e/0x140 [ 46.967415][ T5037] ? handle_quota_files+0x3b0/0x3b0 [ 46.972606][ T5037] ? get_nr_dirty_inodes+0x176/0x1e0 [ 46.977882][ T5037] ? handle_quota_files+0x3b0/0x3b0 [ 46.983074][ T5037] sync_filesystem+0x109/0x280 [ 46.987825][ T5037] generic_shutdown_super+0x74/0x480 [ 46.993185][ T5037] kill_block_super+0x3b/0xc0 [ 46.997849][ T5037] deactivate_locked_super+0x9a/0x170 [ 47.003214][ T5037] deactivate_super+0xde/0x100 [ 47.007985][ T5037] cleanup_mnt+0x222/0x3d0 [ 47.012396][ T5037] task_work_run+0x14d/0x240 [ 47.016985][ T5037] ? task_work_cancel+0x30/0x30 [ 47.021848][ T5037] ? __put_net+0x61/0x70 [ 47.026078][ T5037] do_exit+0xa99/0x2a20 [ 47.030222][ T5037] ? do_group_exit+0x1c5/0x2a0 [ 47.034977][ T5037] ? reacquire_held_locks+0x4b0/0x4b0 [ 47.040431][ T5037] ? do_raw_spin_lock+0x12e/0x2b0 [ 47.045451][ T5037] ? mm_update_next_owner+0x850/0x850 [ 47.050815][ T5037] ? spin_bug+0x1d0/0x1d0 [ 47.055139][ T5037] ? rcu_is_watching+0x12/0xb0 [ 47.059891][ T5037] do_group_exit+0xd4/0x2a0 [ 47.064388][ T5037] __x64_sys_exit_group+0x3e/0x50 [ 47.069412][ T5037] do_syscall_64+0x38/0xb0 [ 47.073818][ T5037] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 47.079700][ T5037] RIP: 0033:0x7f85bf597749 [ 47.084097][ T5037] Code: Unable to access opcode bytes at 0x7f85bf59771f. [ 47.091094][ T5037] RSP: 002b:00007fff645b3a98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 47.099493][ T5037] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f85bf597749 [ 47.107537][ T5037] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 47.115493][ T5037] RBP: 00007f85bf6142b0 R08: ffffffffffffffb8 R09: 00000000000010ef [ 47.123460][ T5037] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85bf6142b0 [ 47.131416][ T5037] R13: 0000000000000000 R14: 00007f85bf615020 R15: 00007f85bf565c80 [ 47.139377][ T5037] [ 47.142378][ T5037] Modules linked in: [ 47.147263][ T5037] ---[ end trace 0000000000000000 ]--- [ 47.152760][ T5037] RIP: 0010:__reiserfs_panic+0x100/0x150 [ 47.158472][ T5037] Code: 61 ff 4d 89 e8 4c 89 f1 4c 89 e2 48 8d b3 58 06 00 00 49 c7 c1 e0 86 16 92 48 c7 c7 c0 53 82 8a e8 95 b6 44 ff e8 10 7e 61 ff <0f> 0b 49 c7 c6 60 52 82 8a 4d 89 f4 eb c5 e8 fd 7d 61 ff 4d 85 e4 [ 47.178133][ T5037] RSP: 0018:ffffc9000399f920 EFLAGS: 00010293 [ 47.184223][ T5037] RAX: 0000000000000000 RBX: ffff888019efa000 RCX: 0000000000000000 [ 47.192482][ T5037] RDX: ffff88802285bb80 RSI: ffffffff82254490 RDI: 0000000000000005 [ 47.200491][ T5037] RBP: ffffc9000399f9f0 R08: 0000000000000005 R09: 0000000000000000 [ 47.208487][ T5037] R10: 0000000080000000 R11: 0000000000000001 R12: ffffffff8a82b8e0 [ 47.216465][ T5037] R13: ffffffff8a82c100 R14: ffffffff8a825220 R15: 0000000000000213 [ 47.224466][ T5037] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 47.233458][ T5037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.240074][ T5037] CR2: 00007ffe9caeafd8 CR3: 000000000c776000 CR4: 00000000003506f0 [ 47.248093][ T5037] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.256074][ T5037] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.264184][ T5037] Kernel panic - not syncing: Fatal exception [ 47.270347][ T5037] Kernel Offset: disabled [ 47.274749][ T5037] Rebooting in 86400 seconds..