./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2561507133 <...> Warning: Permanently added '10.128.1.133' (ED25519) to the list of known hosts. execve("./syz-executor2561507133", ["./syz-executor2561507133"], 0x7fff339d0c50 /* 10 vars */) = 0 brk(NULL) = 0x55555561e000 brk(0x55555561ed00) = 0x55555561ed00 arch_prctl(ARCH_SET_FS, 0x55555561e380) = 0 set_tid_address(0x55555561e650) = 5055 set_robust_list(0x55555561e660, 24) = 0 rseq(0x55555561eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2561507133", 4096) = 28 getrandom("\x17\x99\x22\xa1\x3e\x3d\x98\x8f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555561ed00 brk(0x55555563fd00) = 0x55555563fd00 brk(0x555555640000) = 0x555555640000 mprotect(0x7ff1c7e14000, 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 5056 attached , child_tidptr=0x55555561e650) = 5056 [pid 5056] set_robust_list(0x55555561e660, 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 [ 53.960004][ T5056] RSP: 0018:ffffc900041df7e0 EFLAGS: 00010246 [ 53.966068][ T5056] RAX: 0000000000000003 RBX: 0000000000000003 RCX: 0000000000000000 [ 53.974016][ T5056] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88801e495000 [ 53.981965][ T5056] RBP: ffffc900041dfa50 R08: ffff88801e495fff R09: 0000000000000000 [ 53.989915][ T5056] R10: ffff88801e495000 R11: ffffed1003c92c00 R12: ffff88807c2f8017 [ 53.997866][ T5056] R13: dffffc0000000000 R14: 0000000000000002 R15: ffff88807c2f8014 [ 54.005820][ T5056] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 54.014739][ T5056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.021319][ T5056] CR2: 00007ff1c7de7db8 CR3: 000000000d730000 CR4: 00000000003506f0 [ 54.029275][ T5056] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.037230][ T5056] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.045180][ T5056] Call Trace: [ 54.048443][ T5056] [ 54.051362][ T5056] ? __die_body+0x8b/0xe0 [ 54.055680][ T5056] ? die+0xa1/0xd0 [ 54.059382][ T5056] ? do_trap+0x153/0x380 [ 54.063611][ T5056] ? do_journal_end+0x1901/0x4b50 [ 54.068618][ T5056] ? do_error_trap+0x1dc/0x2c0 [ 54.073361][ T5056] ? do_journal_end+0x1901/0x4b50 [ 54.078366][ T5056] ? fs_reclaim_acquire+0x92/0x120 [ 54.083478][ T5056] ? do_int3+0x50/0x50 [ 54.087529][ T5056] ? rcu_is_watching+0x15/0xb0 [ 54.092273][ T5056] ? exc_divide_error+0x39/0x50 [ 54.097127][ T5056] ? do_journal_end+0x1901/0x4b50 [ 54.102148][ T5056] ? asm_exc_divide_error+0x1a/0x20 [ 54.107332][ T5056] ? do_journal_end+0x1901/0x4b50 [ 54.112367][ T5056] ? journal_join_abort+0xe0/0xe0 [ 54.117376][ T5056] ? journal_mark_dirty+0xe40/0xe40 [ 54.122555][ T5056] ? dqput+0x450/0x450 [ 54.126606][ T5056] ? journal_end_sync+0x112/0x1e0 [ 54.131607][ T5056] reiserfs_sync_fs+0xce/0x150 [ 54.136353][ T5056] ? handle_attrs+0x1f0/0x1f0 [ 54.141010][ T5056] ? __dentry_kill+0x52e/0x660 [ 54.145755][ T5056] ? __static_call_return0+0x9/0x10 [ 54.150953][ T5056] ? dentry_kill+0xbb/0x290 [ 54.155451][ T5056] ? get_nr_dirty_inodes+0x1c7/0x210 [ 54.160718][ T5056] sync_filesystem+0xec/0x220 [ 54.165376][ T5056] generic_shutdown_super+0x72/0x2c0 [ 54.170643][ T5056] kill_block_super+0x44/0x90 [ 54.175297][ T5056] deactivate_locked_super+0xc1/0x130 [ 54.180647][ T5056] cleanup_mnt+0x426/0x4c0 [ 54.185060][ T5056] ? _raw_spin_unlock_irq+0x23/0x50 [ 54.190259][ T5056] task_work_run+0x24a/0x300 [ 54.194844][ T5056] ? kasan_quarantine_put+0xd8/0x230 [ 54.200112][ T5056] ? task_work_cancel+0x2b0/0x2b0 [ 54.205114][ T5056] ? kmem_cache_free+0x299/0x470 [ 54.210033][ T5056] ? do_exit+0xa2f/0x2750 [ 54.214346][ T5056] do_exit+0xa34/0x2750 [ 54.218490][ T5056] ? put_task_struct+0xb0/0xb0 [ 54.223254][ T5056] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 54.229216][ T5056] ? print_irqtrace_events+0x220/0x220 [ 54.234654][ T5056] ? _raw_spin_unlock_irq+0x23/0x50 [ 54.239834][ T5056] ? lockdep_hardirqs_on+0x98/0x140 [ 54.245013][ T5056] do_group_exit+0x206/0x2c0 [ 54.249604][ T5056] __x64_sys_exit_group+0x3f/0x40 [ 54.254625][ T5056] do_syscall_64+0x45/0x110 [ 54.259109][ T5056] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 54.264997][ T5056] RIP: 0033:0x7ff1c7d9d849 [ 54.269393][ T5056] Code: Unable to access opcode bytes at 0x7ff1c7d9d81f. [ 54.276385][ T5056] RSP: 002b:00007fff33386eb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 54.284772][ T5056] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff1c7d9d849 [ 54.292722][ T5056] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 54.300674][ T5056] RBP: 00007ff1c7e1a2d0 R08: ffffffffffffffb8 R09: 00007fff33386f90 [ 54.308625][ T5056] R10: 00007fff33386f90 R11: 0000000000000246 R12: 00007ff1c7e1a2d0 [ 54.316577][ T5056] R13: 0000000000000000 R14: 00007ff1c7e1b040 R15: 00007ff1c7d6bd70 [ 54.324530][ T5056] [ 54.327544][ T5056] Modules linked in: [ 54.331714][ T5056] ---[ end trace 0000000000000000 ]--- [ 54.337218][ T5056] RIP: 0010:do_journal_end+0x1901/0x4b50 [ 54.342877][ 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 [ 54.363915][ T5056] RSP: 0018:ffffc900041df7e0 EFLAGS: 00010246 [ 54.370156][ T5056] RAX: 0000000000000003 RBX: 0000000000000003 RCX: 0000000000000000 [ 54.378165][ T5056] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88801e495000 [ 54.386152][ T5056] RBP: ffffc900041dfa50 R08: ffff88801e495fff R09: 0000000000000000 [ 54.394102][ T5056] R10: ffff88801e495000 R11: ffffed1003c92c00 R12: ffff88807c2f8017 [ 54.402077][ T5056] R13: dffffc0000000000 R14: 0000000000000002 R15: ffff88807c2f8014 [ 54.410059][ T5056] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 54.418994][ T5056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.425573][ T5056] CR2: 00007ff1c7de7db8 CR3: 000000000d730000 CR4: 00000000003506f0 [ 54.433552][ T5056] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.441542][ T5056] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.449545][ T5056] Kernel panic - not syncing: Fatal exception [ 54.455784][ T5056] Kernel Offset: disabled [ 54.460095][ T5056] Rebooting in 86400 seconds..