./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1297779261 <...> Warning: Permanently added '10.128.1.66' (ED25519) to the list of known hosts. execve("./syz-executor1297779261", ["./syz-executor1297779261"], 0x7fffaf421a40 /* 10 vars */) = 0 brk(NULL) = 0x555555f05000 brk(0x555555f05d00) = 0x555555f05d00 arch_prctl(ARCH_SET_FS, 0x555555f05380) = 0 set_tid_address(0x555555f05650) = 5054 set_robust_list(0x555555f05660, 24) = 0 rseq(0x555555f05ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1297779261", 4096) = 28 getrandom("\xcf\xb1\xe4\xf4\x67\x9e\x52\xd8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555f05d00 brk(0x555555f26d00) = 0x555555f26d00 brk(0x555555f27000) = 0x555555f27000 mprotect(0x7f46d2907000, 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=0x555555f05650) = 5055 ./strace-static-x86_64: Process 5055 attached [pid 5055] set_robust_list(0x555555f05660, 24) = 0 [pid 5055] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5055] setsid() = 1 [pid 5055] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5055] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5055] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5055] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5055] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5055] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5055] unshare(CLONE_NEWNS) = 0 [pid 5055] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5055] unshare(CLONE_NEWIPC) = 0 [pid 5055] unshare(CLONE_NEWCGROUP) = 0 [pid 5055] unshare(CLONE_NEWUTS) = 0 [pid 5055] unshare(CLONE_SYSVSEM) = 0 [pid 5055] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5055] write(3, "16777216", 8) = 8 [pid 5055] close(3) = 0 [pid 5055] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5055] write(3, "536870912", 9) = 9 [pid 5055] close(3) = 0 [pid 5055] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5055] write(3, "1024", 4) = 4 [pid 5055] close(3) = 0 [pid 5055] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5055] write(3, "8192", 4) = 4 [pid 5055] close(3) = 0 [pid 5055] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5055] write(3, "1024", 4) = 4 [pid 5055] close(3) = 0 [pid 5055] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5055] write(3, "1024", 4) = 4 [pid 5055] close(3) = 0 [pid 5055] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5055] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5055] close(3) = 0 [pid 5055] getpid() = 1 [pid 5055] 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 [ 71.109433][ T5055] RSP: 0018:ffffc90003bdf7e0 EFLAGS: 00010246 [ 71.115496][ T5055] RAX: 0000000000000003 RBX: 0000000000000003 RCX: 0000000000000000 [ 71.123458][ T5055] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888079b4a000 [ 71.131422][ T5055] RBP: ffffc90003bdfa50 R08: ffff888079b4afff R09: 0000000000000000 [ 71.139389][ T5055] R10: ffff888079b4a000 R11: ffffed100f369600 R12: ffff8880791e6017 [ 71.147362][ T5055] R13: dffffc0000000000 R14: 0000000000000002 R15: ffff8880791e6014 [ 71.155324][ T5055] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 71.164242][ T5055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.170818][ T5055] CR2: 000055fd15867a20 CR3: 000000001ec8c000 CR4: 00000000003506f0 [ 71.178791][ T5055] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.186846][ T5055] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.194818][ T5055] Call Trace: [ 71.198095][ T5055] [ 71.201030][ T5055] ? __die_body+0x8b/0xe0 [ 71.205366][ T5055] ? die+0xa1/0xd0 [ 71.209086][ T5055] ? do_trap+0x153/0x380 [ 71.213337][ T5055] ? do_journal_end+0x18fe/0x4b40 [ 71.218362][ T5055] ? do_error_trap+0x1dc/0x2c0 [ 71.223137][ T5055] ? do_journal_end+0x18fe/0x4b40 [ 71.228155][ T5055] ? fs_reclaim_acquire+0x92/0x120 [ 71.233269][ T5055] ? do_int3+0x50/0x50 [ 71.237346][ T5055] ? rcu_is_watching+0x15/0xb0 [ 71.242114][ T5055] ? exc_divide_error+0x39/0x50 [ 71.246986][ T5055] ? do_journal_end+0x18fe/0x4b40 [ 71.252006][ T5055] ? asm_exc_divide_error+0x1a/0x20 [ 71.257210][ T5055] ? do_journal_end+0x18fe/0x4b40 [ 71.262240][ T5055] ? journal_join_abort+0xe0/0xe0 [ 71.267262][ T5055] ? journal_mark_dirty+0xe40/0xe40 [ 71.272453][ T5055] ? dqput+0x450/0x450 [ 71.276524][ T5055] ? journal_end_sync+0x112/0x1e0 [ 71.281549][ T5055] reiserfs_sync_fs+0xce/0x150 [ 71.286332][ T5055] ? handle_attrs+0x1f0/0x1f0 [ 71.291007][ T5055] ? __dentry_kill+0x52e/0x660 [ 71.295795][ T5055] ? __static_call_return0+0x9/0x10 [ 71.300991][ T5055] ? dentry_kill+0xbb/0x290 [ 71.305509][ T5055] ? get_nr_dirty_inodes+0x1c7/0x210 [ 71.310818][ T5055] sync_filesystem+0xec/0x220 [ 71.315488][ T5055] generic_shutdown_super+0x72/0x2c0 [ 71.320809][ T5055] kill_block_super+0x44/0x90 [ 71.325502][ T5055] deactivate_locked_super+0xc1/0x130 [ 71.330874][ T5055] cleanup_mnt+0x426/0x4c0 [ 71.335295][ T5055] ? _raw_spin_unlock_irq+0x23/0x50 [ 71.340495][ T5055] task_work_run+0x24a/0x300 [ 71.345107][ T5055] ? kasan_quarantine_put+0xd8/0x230 [ 71.350398][ T5055] ? task_work_cancel+0x2b0/0x2b0 [ 71.355446][ T5055] ? kmem_cache_free+0x299/0x470 [ 71.360384][ T5055] ? do_exit+0xa27/0x2740 [ 71.364730][ T5055] do_exit+0xa2c/0x2740 [ 71.368908][ T5055] ? put_task_struct+0xb0/0xb0 [ 71.373690][ T5055] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 71.379676][ T5055] ? print_irqtrace_events+0x220/0x220 [ 71.385141][ T5055] ? _raw_spin_unlock_irq+0x23/0x50 [ 71.390336][ T5055] ? lockdep_hardirqs_on+0x98/0x140 [ 71.395527][ T5055] do_group_exit+0x206/0x2c0 [ 71.400122][ T5055] __x64_sys_exit_group+0x3f/0x40 [ 71.405148][ T5055] do_syscall_64+0x45/0x110 [ 71.409648][ T5055] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 71.415540][ T5055] RIP: 0033:0x7f46d2890809 [ 71.419946][ T5055] Code: Unable to access opcode bytes at 0x7f46d28907df. [ 71.426950][ T5055] RSP: 002b:00007ffd77345e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 71.435357][ T5055] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f46d2890809 [ 71.443323][ T5055] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 71.451288][ T5055] RBP: 00007f46d290d2d0 R08: ffffffffffffffb8 R09: 00007ffd77345f40 [ 71.459253][ T5055] R10: 00007ffd77345f40 R11: 0000000000000246 R12: 00007f46d290d2d0 [ 71.467221][ T5055] R13: 0000000000000000 R14: 00007f46d290e040 R15: 00007f46d285ed40 [ 71.475197][ T5055] [ 71.478212][ T5055] Modules linked in: [ 71.484756][ T5055] ---[ end trace 0000000000000000 ]--- [ 71.490246][ T5055] RIP: 0010:do_journal_end+0x18fe/0x4b40 [ 71.496029][ T5055] 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 [ 71.515664][ T5055] RSP: 0018:ffffc90003bdf7e0 EFLAGS: 00010246 [ 71.521765][ T5055] RAX: 0000000000000003 RBX: 0000000000000003 RCX: 0000000000000000 [ 71.529918][ T5055] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888079b4a000 [ 71.537925][ T5055] RBP: ffffc90003bdfa50 R08: ffff888079b4afff R09: 0000000000000000 [ 71.545935][ T5055] R10: ffff888079b4a000 R11: ffffed100f369600 R12: ffff8880791e6017 [ 71.553960][ T5055] R13: dffffc0000000000 R14: 0000000000000002 R15: ffff8880791e6014 [ 71.561923][ T5055] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 71.570915][ T5055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.577529][ T5055] CR2: 0000000020150000 CR3: 000000000d731000 CR4: 00000000003506f0 [ 71.585533][ T5055] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.593504][ T5055] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.601537][ T5055] Kernel panic - not syncing: Fatal exception [ 71.607870][ T5055] Kernel Offset: disabled [ 71.612187][ T5055] Rebooting in 86400 seconds..