./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2555201120 <...> Warning: Permanently added '10.128.0.233' (ED25519) to the list of known hosts. execve("./syz-executor2555201120", ["./syz-executor2555201120"], 0x7ffcc67369a0 /* 10 vars */) = 0 brk(NULL) = 0x5555562e9000 brk(0x5555562e9d00) = 0x5555562e9d00 arch_prctl(ARCH_SET_FS, 0x5555562e9380) = 0 set_tid_address(0x5555562e9650) = 5055 set_robust_list(0x5555562e9660, 24) = 0 rseq(0x5555562e9ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2555201120", 4096) = 28 getrandom("\xfa\xf5\xd8\x17\x92\x2d\x14\xef", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555562e9d00 brk(0x55555630ad00) = 0x55555630ad00 brk(0x55555630b000) = 0x55555630b000 mprotect(0x7fb455fc2000, 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=0x5555562e9650) = 5056 ./strace-static-x86_64: Process 5056 attached [pid 5056] set_robust_list(0x5555562e9660, 24) = 0 [pid 5056] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5056] setsid() = 1 [pid 5056] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5056] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5056] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5056] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5056] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5056] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5056] unshare(CLONE_NEWNS) = 0 [pid 5056] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5056] unshare(CLONE_NEWIPC) = 0 [pid 5056] unshare(CLONE_NEWCGROUP) = 0 [pid 5056] unshare(CLONE_NEWUTS) = 0 [pid 5056] unshare(CLONE_SYSVSEM) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "16777216", 8) = 8 [pid 5056] close(3) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "536870912", 9) = 9 [pid 5056] close(3) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "1024", 4) = 4 [pid 5056] close(3) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "8192", 4) = 4 [pid 5056] close(3) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "1024", 4) = 4 [pid 5056] close(3) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "1024", 4) = 4 [pid 5056] close(3) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5056] close(3) = 0 [pid 5056] getpid() = 1 [pid 5056] 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 [ 61.332127][ T5056] RSP: 0018:ffffc900040d77e0 EFLAGS: 00010246 [ 61.338189][ T5056] RAX: 0000000000000003 RBX: 0000000000000003 RCX: 0000000000000000 [ 61.346237][ T5056] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888025171000 [ 61.354203][ T5056] RBP: ffffc900040d7a50 R08: ffff888025171fff R09: 0000000000000000 [ 61.362177][ T5056] R10: ffff888025171000 R11: ffffed1004a2e400 R12: ffff88807d728017 [ 61.370144][ T5056] R13: dffffc0000000000 R14: 0000000000000002 R15: ffff88807d728014 [ 61.378100][ T5056] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 61.387133][ T5056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.393712][ T5056] CR2: 00007fb455f95db8 CR3: 000000000d730000 CR4: 00000000003506f0 [ 61.401691][ T5056] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.409675][ T5056] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.417987][ T5056] Call Trace: [ 61.421265][ T5056] [ 61.424184][ T5056] ? __die_body+0x8b/0xe0 [ 61.428535][ T5056] ? die+0xa1/0xd0 [ 61.432260][ T5056] ? do_trap+0x153/0x380 [ 61.436875][ T5056] ? do_journal_end+0x1901/0x4b40 [ 61.442001][ T5056] ? do_error_trap+0x1dc/0x2c0 [ 61.446796][ T5056] ? do_journal_end+0x1901/0x4b40 [ 61.452083][ T5056] ? fs_reclaim_acquire+0x92/0x120 [ 61.458485][ T5056] ? do_int3+0x50/0x50 [ 61.462546][ T5056] ? rcu_is_watching+0x15/0xb0 [ 61.467305][ T5056] ? exc_divide_error+0x38/0x50 [ 61.472154][ T5056] ? do_journal_end+0x1901/0x4b40 [ 61.477173][ T5056] ? asm_exc_divide_error+0x1a/0x20 [ 61.482455][ T5056] ? do_journal_end+0x1901/0x4b40 [ 61.487595][ T5056] ? journal_join_abort+0xe0/0xe0 [ 61.492701][ T5056] ? journal_mark_dirty+0xe40/0xe40 [ 61.498199][ T5056] ? dqput+0x450/0x450 [ 61.502375][ T5056] ? journal_end_sync+0x112/0x1e0 [ 61.507500][ T5056] reiserfs_sync_fs+0xce/0x150 [ 61.512275][ T5056] ? handle_attrs+0x1f0/0x1f0 [ 61.517064][ T5056] ? __dentry_kill+0x52e/0x650 [ 61.522025][ T5056] ? __static_call_return0+0x9/0x10 [ 61.527306][ T5056] ? dentry_kill+0xbb/0x290 [ 61.531888][ T5056] ? get_nr_dirty_inodes+0x1c7/0x210 [ 61.537175][ T5056] sync_filesystem+0xec/0x220 [ 61.541861][ T5056] generic_shutdown_super+0x72/0x2c0 [ 61.547236][ T5056] kill_block_super+0x44/0x90 [ 61.551933][ T5056] deactivate_locked_super+0xc1/0x130 [ 61.557324][ T5056] cleanup_mnt+0x426/0x4c0 [ 61.561822][ T5056] ? _raw_spin_unlock_irq+0x23/0x50 [ 61.567012][ T5056] task_work_run+0x24a/0x300 [ 61.571598][ T5056] ? kasan_quarantine_put+0xd8/0x230 [ 61.576883][ T5056] ? task_work_cancel+0x2b0/0x2b0 [ 61.581986][ T5056] ? kmem_cache_free+0x297/0x500 [ 61.586913][ T5056] ? do_exit+0xa2f/0x2750 [ 61.591236][ T5056] do_exit+0xa34/0x2750 [ 61.595395][ T5056] ? put_task_struct+0xb0/0xb0 [ 61.600236][ T5056] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 61.606205][ T5056] ? print_irqtrace_events+0x220/0x220 [ 61.611656][ T5056] ? _raw_spin_unlock_irq+0x23/0x50 [ 61.616951][ T5056] ? lockdep_hardirqs_on+0x98/0x140 [ 61.622426][ T5056] do_group_exit+0x206/0x2c0 [ 61.627033][ T5056] __x64_sys_exit_group+0x3f/0x40 [ 61.632075][ T5056] do_syscall_64+0x44/0x110 [ 61.636715][ T5056] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 61.642706][ T5056] RIP: 0033:0x7fb455f4b849 [ 61.647131][ T5056] Code: Unable to access opcode bytes at 0x7fb455f4b81f. [ 61.654325][ T5056] RSP: 002b:00007ffe08daf6e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 61.662730][ T5056] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb455f4b849 [ 61.670692][ T5056] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 61.678658][ T5056] RBP: 00007fb455fc82d0 R08: ffffffffffffffb8 R09: 00007ffe08daf7c0 [ 61.686625][ T5056] R10: 00007ffe08daf7c0 R11: 0000000000000246 R12: 00007fb455fc82d0 [ 61.694786][ T5056] R13: 0000000000000000 R14: 00007fb455fc9040 R15: 00007fb455f19d70 [ 61.703803][ T5056] [ 61.706810][ T5056] Modules linked in: [ 61.710943][ T5056] ---[ end trace 0000000000000000 ]--- [ 61.716545][ T5056] RIP: 0010:do_journal_end+0x1901/0x4b40 [ 61.722254][ T5056] Code: 28 84 c0 0f 85 05 2c 00 00 4a 8d 5c 33 01 4c 89 e0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 0c 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 [ 61.742687][ T5056] RSP: 0018:ffffc900040d77e0 EFLAGS: 00010246 [ 61.748784][ T5056] RAX: 0000000000000003 RBX: 0000000000000003 RCX: 0000000000000000 [ 61.757360][ T5056] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888025171000 [ 61.767219][ T5056] RBP: ffffc900040d7a50 R08: ffff888025171fff R09: 0000000000000000 [ 61.775396][ T5056] R10: ffff888025171000 R11: ffffed1004a2e400 R12: ffff88807d728017 [ 61.783601][ T5056] R13: dffffc0000000000 R14: 0000000000000002 R15: ffff88807d728014 [ 61.791686][ T5056] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 61.801208][ T5056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.808313][ T5056] CR2: 00005613d6657088 CR3: 00000000296ad000 CR4: 00000000003506f0 [ 61.816678][ T5056] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.824889][ T5056] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.833111][ T5056] Kernel panic - not syncing: Fatal exception [ 61.839389][ T5056] Kernel Offset: disabled [ 61.843713][ T5056] Rebooting in 86400 seconds..