./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3875230730 <...> Warning: Permanently added '10.128.0.139' (ED25519) to the list of known hosts. execve("./syz-executor3875230730", ["./syz-executor3875230730"], 0x7fff682f9a40 /* 10 vars */) = 0 brk(NULL) = 0x55555581e000 brk(0x55555581ed00) = 0x55555581ed00 arch_prctl(ARCH_SET_FS, 0x55555581e380) = 0 set_tid_address(0x55555581e650) = 5034 set_robust_list(0x55555581e660, 24) = 0 rseq(0x55555581eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3875230730", 4096) = 28 getrandom("\xb7\x17\x81\x0c\xb5\xd1\x34\x60", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555581ed00 brk(0x55555583fd00) = 0x55555583fd00 brk(0x555555840000) = 0x555555840000 mprotect(0x7f4ce223b000, 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./strace-static-x86_64: Process 5035 attached , child_tidptr=0x55555581e650) = 5035 [pid 5035] set_robust_list(0x55555581e660, 24) = 0 [pid 5035] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5035] setsid() = 1 [pid 5035] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5035] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5035] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5035] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5035] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5035] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5035] unshare(CLONE_NEWNS) = 0 [pid 5035] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5035] unshare(CLONE_NEWIPC) = 0 [pid 5035] unshare(CLONE_NEWCGROUP) = 0 [pid 5035] unshare(CLONE_NEWUTS) = 0 [pid 5035] unshare(CLONE_SYSVSEM) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "16777216", 8) = 8 [pid 5035] close(3) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "536870912", 9) = 9 [pid 5035] close(3) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "1024", 4) = 4 [pid 5035] close(3) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "8192", 4) = 4 [pid 5035] close(3) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "1024", 4) = 4 [pid 5035] close(3) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "1024", 4) = 4 [pid 5035] close(3) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5035] close(3) = 0 [pid 5035] getpid() = 1 [pid 5035] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 [ 81.717776][ T5035] RSP: 0018:ffffc90003d7f6e0 EFLAGS: 00010246 [ 81.723855][ T5035] RAX: 0000000000000069 RBX: ffffffff8b1c8da0 RCX: c341c7b8e09b2600 [ 81.732024][ T5035] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 81.740011][ T5035] RBP: ffffc90003d7f7d0 R08: ffffffff817109dc R09: 1ffff920007afe7c [ 81.748086][ T5035] R10: dffffc0000000000 R11: fffff520007afe7d R12: ffffffff8b1c8dc0 [ 81.756065][ T5035] R13: ffffc90003d7f700 R14: ffffffff8cab72e3 R15: ffff88801c6d8658 [ 81.764047][ T5035] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 81.773034][ T5035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.779796][ T5035] CR2: 00007f4ce223f130 CR3: 000000000d130000 CR4: 00000000003506e0 [ 81.787820][ T5035] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.795821][ T5035] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.803890][ T5035] Call Trace: [ 81.807192][ T5035] [ 81.810130][ T5035] ? __die_body+0x8b/0xe0 [ 81.814492][ T5035] ? die+0xa1/0xd0 [ 81.818235][ T5035] ? do_trap+0x153/0x380 [ 81.822498][ T5035] ? __reiserfs_panic+0x13e/0x140 [ 81.827626][ T5035] ? do_error_trap+0x1dc/0x2c0 [ 81.832612][ T5035] ? __reiserfs_panic+0x13e/0x140 [ 81.837735][ T5035] ? do_int3+0x50/0x50 [ 81.841990][ T5035] ? report_bug+0x3e4/0x500 [ 81.846616][ T5035] ? handle_invalid_op+0x34/0x40 [ 81.851575][ T5035] ? __reiserfs_panic+0x13e/0x140 [ 81.856627][ T5035] ? exc_invalid_op+0x33/0x50 [ 81.861402][ T5035] ? asm_exc_invalid_op+0x1a/0x20 [ 81.866436][ T5035] ? __wake_up_klogd+0xcc/0x100 [ 81.871299][ T5035] ? __reiserfs_panic+0x13e/0x140 [ 81.876518][ T5035] ? reiserfs_debug+0x10/0x10 [ 81.881289][ T5035] ? __getblk_gfp+0x52/0x630 [ 81.886145][ T5035] ? mutex_unlock+0x10/0x10 [ 81.890835][ T5035] do_journal_end+0x4604/0x4770 [ 81.895722][ T5035] ? journal_mark_dirty+0xe40/0xe40 [ 81.900935][ T5035] ? dqput+0x440/0x440 [ 81.905015][ T5035] ? journal_end_sync+0x112/0x1e0 [ 81.910312][ T5035] reiserfs_sync_fs+0xce/0x150 [ 81.915209][ T5035] ? handle_attrs+0x1f0/0x1f0 [ 81.919988][ T5035] ? __static_call_return0+0x9/0x10 [ 81.925200][ T5035] ? dentry_kill+0xbb/0x290 [ 81.929716][ T5035] ? get_nr_dirty_inodes+0x1c7/0x210 [ 81.935470][ T5035] sync_filesystem+0xec/0x220 [ 81.940257][ T5035] generic_shutdown_super+0x72/0x2c0 [ 81.945657][ T5035] kill_block_super+0x41/0x70 [ 81.950368][ T5035] deactivate_locked_super+0xa4/0x110 [ 81.955772][ T5035] cleanup_mnt+0x426/0x4c0 [ 81.960226][ T5035] ? _raw_spin_unlock_irq+0x23/0x50 [ 81.965446][ T5035] task_work_run+0x24a/0x300 [ 81.970086][ T5035] ? kasan_quarantine_put+0xd8/0x230 [ 81.975379][ T5035] ? task_work_cancel+0x2b0/0x2b0 [ 81.980420][ T5035] ? kmem_cache_free+0x292/0x500 [ 81.985387][ T5035] ? do_exit+0xa27/0x2650 [ 81.989745][ T5035] do_exit+0xa2c/0x2650 [ 81.993929][ T5035] ? put_task_struct+0xb0/0xb0 [ 81.998717][ T5035] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 82.004798][ T5035] ? print_irqtrace_events+0x220/0x220 [ 82.010272][ T5035] ? _raw_spin_unlock_irq+0x23/0x50 [ 82.015571][ T5035] ? lockdep_hardirqs_on+0x98/0x140 [ 82.020877][ T5035] do_group_exit+0x206/0x2c0 [ 82.025573][ T5035] __x64_sys_exit_group+0x3f/0x40 [ 82.030615][ T5035] do_syscall_64+0x41/0xc0 [ 82.035300][ T5035] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 82.041199][ T5035] RIP: 0033:0x7f4ce21c4749 [ 82.045621][ T5035] Code: Unable to access opcode bytes at 0x7f4ce21c471f. [ 82.052725][ T5035] RSP: 002b:00007ffd37d6e5a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 82.061143][ T5035] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4ce21c4749 [ 82.069124][ T5035] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 82.077097][ T5035] RBP: 00007f4ce22412b0 R08: ffffffffffffffb8 R09: 00000000000010ef [ 82.085105][ T5035] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4ce22412b0 [ 82.093515][ T5035] R13: 0000000000000000 R14: 00007f4ce2242020 R15: 00007f4ce2192c80 [ 82.101504][ T5035] [ 82.104539][ T5035] Modules linked in: [ 82.110515][ T5035] ---[ end trace 0000000000000000 ]--- [ 82.117821][ T5035] RIP: 0010:__reiserfs_panic+0x13e/0x140 [ 82.129577][ T5035] Code: c7 c1 a0 41 1c 8b 48 0f 44 c8 48 0f 44 d8 48 c7 c7 60 42 1c 8b 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 a0 82 01 92 e8 82 7e 98 08 <0f> 0b f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 [ 82.149979][ T5035] RSP: 0018:ffffc90003d7f6e0 EFLAGS: 00010246 [ 82.157197][ T5035] RAX: 0000000000000069 RBX: ffffffff8b1c8da0 RCX: c341c7b8e09b2600 [ 82.165595][ T5035] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 82.174279][ T5035] RBP: ffffc90003d7f7d0 R08: ffffffff817109dc R09: 1ffff920007afe7c [ 82.182651][ T5035] R10: dffffc0000000000 R11: fffff520007afe7d R12: ffffffff8b1c8dc0 [ 82.191014][ T5035] R13: ffffc90003d7f700 R14: ffffffff8cab72e3 R15: ffff88801c6d8658 [ 82.199434][ T5035] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 82.208769][ T5035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.215867][ T5035] CR2: 0000561ef6173088 CR3: 000000001bf53000 CR4: 00000000003506e0 [ 82.224278][ T5035] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 82.232644][ T5035] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 82.240642][ T5035] Kernel panic - not syncing: Fatal exception [ 82.246817][ T5035] Kernel Offset: disabled [ 82.251224][ T5035] Rebooting in 86400 seconds..