./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor251409108 <...> Warning: Permanently added '10.128.1.116' (ED25519) to the list of known hosts. execve("./syz-executor251409108", ["./syz-executor251409108"], 0x7ffc4579bb20 /* 10 vars */) = 0 brk(NULL) = 0x555555aa5000 brk(0x555555aa5d00) = 0x555555aa5d00 arch_prctl(ARCH_SET_FS, 0x555555aa5380) = 0 set_tid_address(0x555555aa5650) = 5060 set_robust_list(0x555555aa5660, 24) = 0 rseq(0x555555aa5ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor251409108", 4096) = 27 getrandom("\x92\x01\xbc\x3e\xff\xa5\xb2\x2b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555aa5d00 brk(0x555555ac6d00) = 0x555555ac6d00 brk(0x555555ac7000) = 0x555555ac7000 mprotect(0x7fe929697000, 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 5061 attached , child_tidptr=0x555555aa5650) = 5061 [pid 5061] set_robust_list(0x555555aa5660, 24) = 0 [pid 5061] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5061] setsid() = 1 [pid 5061] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5061] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5061] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5061] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5061] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5061] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5061] unshare(CLONE_NEWNS) = 0 [pid 5061] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5061] unshare(CLONE_NEWIPC) = 0 [pid 5061] unshare(CLONE_NEWCGROUP) = 0 [pid 5061] unshare(CLONE_NEWUTS) = 0 [pid 5061] unshare(CLONE_SYSVSEM) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "16777216", 8) = 8 [pid 5061] close(3) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "536870912", 9) = 9 [pid 5061] close(3) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "1024", 4) = 4 [pid 5061] close(3) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "8192", 4) = 4 [pid 5061] close(3) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "1024", 4) = 4 [pid 5061] close(3) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "1024", 4) = 4 [pid 5061] close(3) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5061] close(3) = 0 [pid 5061] getpid() = 1 [pid 5061] 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 [ 56.976836][ T5061] RSP: 0018:ffffc900042cf7e0 EFLAGS: 00010246 [ 56.982923][ T5061] RAX: 0000000000000003 RBX: 0000000000000003 RCX: 0000000000000000 [ 56.990897][ T5061] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880239fc000 [ 56.998856][ T5061] RBP: ffffc900042cfa50 R08: ffff8880239fcfff R09: 0000000000000000 [ 57.006829][ T5061] R10: ffff8880239fc000 R11: ffffed100473fa00 R12: ffff888074265017 [ 57.014783][ T5061] R13: dffffc0000000000 R14: 0000000000000002 R15: ffff888074265014 [ 57.022746][ T5061] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 57.031667][ T5061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.038268][ T5061] CR2: 000055e39ca0c7f8 CR3: 0000000029971000 CR4: 00000000003506f0 [ 57.046227][ T5061] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.054180][ T5061] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.062142][ T5061] Call Trace: [ 57.065402][ T5061] [ 57.068318][ T5061] ? __die_body+0x8b/0xe0 [ 57.072634][ T5061] ? die+0xa1/0xd0 [ 57.076341][ T5061] ? do_trap+0x153/0x380 [ 57.080563][ T5061] ? do_journal_end+0x18fe/0x4b40 [ 57.085566][ T5061] ? do_error_trap+0x1dc/0x2c0 [ 57.090309][ T5061] ? do_journal_end+0x18fe/0x4b40 [ 57.095322][ T5061] ? fs_reclaim_acquire+0x92/0x120 [ 57.100412][ T5061] ? do_int3+0x50/0x50 [ 57.104550][ T5061] ? rcu_is_watching+0x15/0xb0 [ 57.109308][ T5061] ? exc_divide_error+0x39/0x50 [ 57.114168][ T5061] ? do_journal_end+0x18fe/0x4b40 [ 57.119251][ T5061] ? asm_exc_divide_error+0x1a/0x20 [ 57.124449][ T5061] ? do_journal_end+0x18fe/0x4b40 [ 57.129482][ T5061] ? journal_join_abort+0xe0/0xe0 [ 57.134582][ T5061] ? journal_mark_dirty+0xe40/0xe40 [ 57.139761][ T5061] ? dqput+0x450/0x450 [ 57.143815][ T5061] ? journal_end_sync+0x112/0x1e0 [ 57.148819][ T5061] reiserfs_sync_fs+0xce/0x150 [ 57.153566][ T5061] ? handle_attrs+0x1f0/0x1f0 [ 57.158236][ T5061] ? __dentry_kill+0x52e/0x660 [ 57.162985][ T5061] ? __static_call_return0+0x9/0x10 [ 57.168175][ T5061] ? dentry_kill+0xbb/0x290 [ 57.172688][ T5061] ? get_nr_dirty_inodes+0x1c7/0x210 [ 57.177971][ T5061] sync_filesystem+0xec/0x220 [ 57.182635][ T5061] generic_shutdown_super+0x72/0x2c0 [ 57.187904][ T5061] kill_block_super+0x44/0x90 [ 57.192560][ T5061] deactivate_locked_super+0xc1/0x130 [ 57.197919][ T5061] cleanup_mnt+0x426/0x4c0 [ 57.202314][ T5061] ? _raw_spin_unlock_irq+0x23/0x50 [ 57.207498][ T5061] task_work_run+0x24a/0x300 [ 57.212098][ T5061] ? kasan_quarantine_put+0xd8/0x230 [ 57.217364][ T5061] ? task_work_cancel+0x2b0/0x2b0 [ 57.222370][ T5061] ? kmem_cache_free+0x299/0x470 [ 57.227308][ T5061] ? do_exit+0xa27/0x2740 [ 57.231650][ T5061] do_exit+0xa2c/0x2740 [ 57.235800][ T5061] ? put_task_struct+0xb0/0xb0 [ 57.240550][ T5061] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 57.246526][ T5061] ? print_irqtrace_events+0x220/0x220 [ 57.251970][ T5061] ? _raw_spin_unlock_irq+0x23/0x50 [ 57.257164][ T5061] ? lockdep_hardirqs_on+0x98/0x140 [ 57.262341][ T5061] do_group_exit+0x206/0x2c0 [ 57.266934][ T5061] __x64_sys_exit_group+0x3f/0x40 [ 57.271941][ T5061] do_syscall_64+0x45/0x110 [ 57.276426][ T5061] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 57.282301][ T5061] RIP: 0033:0x7fe929620809 [ 57.286695][ T5061] Code: Unable to access opcode bytes at 0x7fe9296207df. [ 57.293687][ T5061] RSP: 002b:00007ffd984e0278 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 57.302096][ T5061] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe929620809 [ 57.310046][ T5061] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 57.317994][ T5061] RBP: 00007fe92969d2d0 R08: ffffffffffffffb8 R09: 00007ffd984e0350 [ 57.325944][ T5061] R10: 00007ffd984e0350 R11: 0000000000000246 R12: 00007fe92969d2d0 [ 57.333893][ T5061] R13: 0000000000000000 R14: 00007fe92969e040 R15: 00007fe9295eed40 [ 57.341845][ T5061] [ 57.344842][ T5061] Modules linked in: [ 57.349057][ T5061] ---[ end trace 0000000000000000 ]--- [ 57.354549][ T5061] RIP: 0010:do_journal_end+0x18fe/0x4b40 [ 57.360197][ T5061] 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 [ 57.380001][ T5061] RSP: 0018:ffffc900042cf7e0 EFLAGS: 00010246 [ 57.386389][ T5061] RAX: 0000000000000003 RBX: 0000000000000003 RCX: 0000000000000000 [ 57.394410][ T5061] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880239fc000 [ 57.402381][ T5061] RBP: ffffc900042cfa50 R08: ffff8880239fcfff R09: 0000000000000000 [ 57.410374][ T5061] R10: ffff8880239fc000 R11: ffffed100473fa00 R12: ffff888074265017 [ 57.418365][ T5061] R13: dffffc0000000000 R14: 0000000000000002 R15: ffff888074265014 [ 57.426349][ T5061] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 57.435308][ T5061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.441882][ T5061] CR2: 000055e39ca0c7f8 CR3: 0000000029971000 CR4: 00000000003506f0 [ 57.449880][ T5061] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.457876][ T5061] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.465865][ T5061] Kernel panic - not syncing: Fatal exception [ 57.472008][ T5061] Kernel Offset: disabled [ 57.476313][ T5061] Rebooting in 86400 seconds..