./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3644472758 <...> Warning: Permanently added '10.128.1.185' (ECDSA) to the list of known hosts. execve("./syz-executor3644472758", ["./syz-executor3644472758"], 0x7ffdc997a2f0 /* 10 vars */) = 0 brk(NULL) = 0x55555726c000 brk(0x55555726cc40) = 0x55555726cc40 arch_prctl(ARCH_SET_FS, 0x55555726c300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3644472758", 4096) = 28 brk(0x55555728dc40) = 0x55555728dc40 brk(0x55555728e000) = 0x55555728e000 mprotect(0x7f52f59b6000, 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 5000 attached , child_tidptr=0x55555726c5d0) = 5000 [pid 5000] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5000] setsid() = 1 [pid 5000] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5000] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5000] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5000] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5000] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5000] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5000] unshare(CLONE_NEWNS) = 0 [pid 5000] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5000] unshare(CLONE_NEWIPC) = 0 [pid 5000] unshare(CLONE_NEWCGROUP) = 0 [pid 5000] unshare(CLONE_NEWUTS) = 0 [pid 5000] unshare(CLONE_SYSVSEM) = 0 [pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5000] write(3, "16777216", 8) = 8 [pid 5000] close(3) = 0 [pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5000] write(3, "536870912", 9) = 9 [pid 5000] close(3) = 0 [pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5000] write(3, "1024", 4) = 4 [pid 5000] close(3) = 0 [pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5000] write(3, "8192", 4) = 4 [pid 5000] close(3) = 0 [pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5000] write(3, "1024", 4) = 4 [pid 5000] close(3) = 0 [pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5000] write(3, "1024", 4) = 4 [pid 5000] close(3) = 0 [pid 5000] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5000] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5000] close(3) = 0 [pid 5000] getpid() = 1 [pid 5000] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 49 c7 c6 e0 e2 61 8a 4d 89 f4 eb c5 e8 26 8e 64 ff 4d 85 e4 [ 42.126066][ T5000] RSP: 0018:ffffc90003a7f8e8 EFLAGS: 00010293 [ 42.132123][ T5000] RAX: 0000000000000000 RBX: ffff88807d3dc000 RCX: 0000000000000000 [ 42.140073][ T5000] RDX: ffff8880270b1dc0 RSI: ffffffff821fbb27 RDI: 0000000000000005 [ 42.148022][ T5000] RBP: ffffc90003a7f9b8 R08: 0000000000000005 R09: 0000000000000000 [ 42.155970][ T5000] R10: 0000000080000000 R11: 0000000000000001 R12: ffffffff8a624de0 [ 42.163936][ T5000] R13: ffffffff8a625600 R14: ffffffff8a61e320 R15: 0000000000000216 [ 42.171903][ T5000] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 42.180814][ T5000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.187381][ T5000] CR2: 000056216e1e5ff0 CR3: 000000001e319000 CR4: 0000000000350ef0 [ 42.195336][ T5000] Call Trace: [ 42.198600][ T5000] [ 42.201512][ T5000] ? die+0x32/0x90 [ 42.205230][ T5000] ? do_trap+0x1b2/0x3f0 [ 42.209458][ T5000] ? __reiserfs_panic+0xf7/0x150 [ 42.214401][ T5000] ? __reiserfs_panic+0xf7/0x150 [ 42.219417][ T5000] ? do_error_trap+0xb1/0x170 [ 42.224080][ T5000] ? __reiserfs_panic+0xf7/0x150 [ 42.229010][ T5000] ? handle_invalid_op+0x2c/0x30 [ 42.233933][ T5000] ? __reiserfs_panic+0xf7/0x150 [ 42.238860][ T5000] ? exc_invalid_op+0x2f/0x50 [ 42.243536][ T5000] ? asm_exc_invalid_op+0x1a/0x20 [ 42.248579][ T5000] ? __reiserfs_panic+0xf7/0x150 [ 42.253504][ T5000] ? __reiserfs_panic+0xf7/0x150 [ 42.258434][ T5000] ? __reiserfs_panic+0xf7/0x150 [ 42.263365][ T5000] ? reiserfs_debug+0x10/0x10 [ 42.268041][ T5000] do_journal_end+0x3f31/0x4af0 [ 42.272899][ T5000] ? reiserfs_prepare_for_journal+0x2b0/0x2b0 [ 42.278996][ T5000] ? mark_held_locks+0x9f/0xe0 [ 42.283752][ T5000] ? dquot_scan_active+0x2d0/0x2d0 [ 42.288852][ T5000] reiserfs_sync_fs+0xfc/0x130 [ 42.293603][ T5000] ? handle_quota_files+0x3b0/0x3b0 [ 42.298790][ T5000] ? get_nr_dirty_inodes+0x60/0x1d0 [ 42.303983][ T5000] ? handle_quota_files+0x3b0/0x3b0 [ 42.309177][ T5000] sync_filesystem.part.0+0x75/0x1d0 [ 42.314450][ T5000] sync_filesystem+0x8f/0xc0 [ 42.319027][ T5000] generic_shutdown_super+0x74/0x480 [ 42.324306][ T5000] kill_block_super+0xa1/0x100 [ 42.329056][ T5000] deactivate_locked_super+0x98/0x160 [ 42.334417][ T5000] deactivate_super+0xb1/0xd0 [ 42.339085][ T5000] cleanup_mnt+0x2ae/0x3d0 [ 42.343487][ T5000] task_work_run+0x16f/0x270 [ 42.348070][ T5000] ? task_work_cancel+0x30/0x30 [ 42.352906][ T5000] do_exit+0xaa3/0x29b0 [ 42.357133][ T5000] ? lock_downgrade+0x690/0x690 [ 42.362031][ T5000] ? do_raw_spin_lock+0x124/0x2b0 [ 42.367080][ T5000] ? mm_update_next_owner+0x7b0/0x7b0 [ 42.372525][ T5000] ? spin_bug+0x1c0/0x1c0 [ 42.376853][ T5000] ? _raw_spin_unlock_irq+0x23/0x50 [ 42.382045][ T5000] do_group_exit+0xd4/0x2a0 [ 42.386533][ T5000] __x64_sys_exit_group+0x3e/0x50 [ 42.391544][ T5000] do_syscall_64+0x39/0xb0 [ 42.395964][ T5000] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 42.401852][ T5000] RIP: 0033:0x7f52f59469b9 [ 42.406249][ T5000] Code: Unable to access opcode bytes at 0x7f52f594698f. [ 42.413334][ T5000] RSP: 002b:00007ffdbfb9cfc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 42.421730][ T5000] RAX: ffffffffffffffda RBX: 00007f52f59bc330 RCX: 00007f52f59469b9 [ 42.429817][ T5000] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 42.437776][ T5000] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000000010ef [ 42.445732][ T5000] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f52f59bc330 [ 42.453689][ T5000] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 42.461735][ T5000] [ 42.464741][ T5000] Modules linked in: [ 42.468750][ T5000] ---[ end trace 0000000000000000 ]--- [ 42.474212][ T5000] RIP: 0010:__reiserfs_panic+0xf7/0x150 [ 42.480162][ T5000] Code: 64 ff 4d 89 e8 4c 89 f1 4c 89 e2 48 8d b3 a8 06 00 00 49 c7 c1 60 d8 f0 91 48 c7 c7 80 e4 61 8a e8 de 6e 48 ff e8 39 8e 64 ff <0f> 0b 49 c7 c6 e0 e2 61 8a 4d 89 f4 eb c5 e8 26 8e 64 ff 4d 85 e4 [ 42.499868][ T5000] RSP: 0018:ffffc90003a7f8e8 EFLAGS: 00010293 [ 42.506103][ T5000] RAX: 0000000000000000 RBX: ffff88807d3dc000 RCX: 0000000000000000 [ 42.514153][ T5000] RDX: ffff8880270b1dc0 RSI: ffffffff821fbb27 RDI: 0000000000000005 [ 42.522178][ T5000] RBP: ffffc90003a7f9b8 R08: 0000000000000005 R09: 0000000000000000 [ 42.530171][ T5000] R10: 0000000080000000 R11: 0000000000000001 R12: ffffffff8a624de0 [ 42.538165][ T5000] R13: ffffffff8a625600 R14: ffffffff8a61e320 R15: 0000000000000216 [ 42.546128][ T5000] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 42.555071][ T5000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.561683][ T5000] CR2: 000056216e1f5698 CR3: 0000000029aae000 CR4: 0000000000350ee0 [ 42.569673][ T5000] Kernel panic - not syncing: Fatal exception [ 42.576591][ T5000] Kernel Offset: disabled [ 42.580897][ T5000] Rebooting in 86400 seconds..