./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2112984235 <...> Warning: Permanently added '10.128.1.72' (ED25519) to the list of known hosts. execve("./syz-executor2112984235", ["./syz-executor2112984235"], 0x7ffe24017d60 /* 10 vars */) = 0 brk(NULL) = 0x555555a14000 brk(0x555555a14d00) = 0x555555a14d00 arch_prctl(ARCH_SET_FS, 0x555555a14380) = 0 set_tid_address(0x555555a14650) = 5013 set_robust_list(0x555555a14660, 24) = 0 rseq(0x555555a14ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2112984235", 4096) = 28 getrandom("\xeb\xed\x12\x02\x61\x81\x00\x6e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555a14d00 brk(0x555555a35d00) = 0x555555a35d00 brk(0x555555a36000) = 0x555555a36000 mprotect(0x7f4eadd54000, 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 5014 attached , child_tidptr=0x555555a14650) = 5014 [pid 5014] set_robust_list(0x555555a14660, 24) = 0 [pid 5014] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5014] setsid() = 1 [pid 5014] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5014] unshare(CLONE_NEWNS) = 0 [pid 5014] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5014] unshare(CLONE_NEWIPC) = 0 [pid 5014] unshare(CLONE_NEWCGROUP) = 0 [pid 5014] unshare(CLONE_NEWUTS) = 0 [pid 5014] unshare(CLONE_SYSVSEM) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "16777216", 8) = 8 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "536870912", 9) = 9 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1024", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "8192", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1024", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1024", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5014] close(3) = 0 [pid 5014] getpid() = 1 [pid 5014] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0f b6 04 28 84 c0 0f 85 3d 05 00 00 4c 89 7c 24 18 4c 89 74 24 [ 58.617127][ T5014] RSP: 0018:ffffc90003c0fa60 EFLAGS: 00010a02 [ 58.623174][ T5014] RAX: 1ffff1101bbe34d9 RBX: ffff888072c0d000 RCX: 0000000000000001 [ 58.631145][ T5014] RDX: 0000000000000000 RSI: ffffffff8b58af40 RDI: ffff8880ddf1a6c8 [ 58.639224][ T5014] RBP: ffffc90003c0fb50 R08: ffffffff8e987a2f R09: 1ffffffff1d30f45 [ 58.647177][ T5014] R10: dffffc0000000000 R11: fffffbfff1d30f46 R12: ffff8880ddf1a6b0 [ 58.655133][ T5014] R13: dffffc0000000000 R14: 1ffff92000781f58 R15: ffff888022099c00 [ 58.663107][ T5014] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 58.672106][ T5014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.678668][ T5014] CR2: ffffed101bbe34d9 CR3: 00000000245c4000 CR4: 00000000003506f0 [ 58.686621][ T5014] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.694576][ T5014] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.702621][ T5014] Call Trace: [ 58.705885][ T5014] [ 58.708798][ T5014] ? __die_body+0x5e/0xa0 [ 58.713116][ T5014] ? page_fault_oops+0x802/0xaa0 [ 58.718221][ T5014] ? kernelmode_fixup_or_oops+0x2a0/0x2a0 [ 58.723927][ T5014] ? page_fault_oops+0xaa0/0xaa0 [ 58.728848][ T5014] ? kernelmode_fixup_or_oops+0x225/0x2a0 [ 58.734553][ T5014] ? __bad_area_nosemaphore+0x12a/0x730 [ 58.740083][ T5014] ? __mutex_lock_common+0x42d/0x2530 [ 58.745438][ T5014] ? bad_area_nosemaphore+0x30/0x30 [ 58.750618][ T5014] ? spurious_kernel_fault+0xaf/0x400 [ 58.755975][ T5014] ? exc_page_fault+0x519/0x7c0 [ 58.760809][ T5014] ? mutex_lock_io_nested+0x60/0x60 [ 58.765990][ T5014] ? asm_exc_page_fault+0x26/0x30 [ 58.770997][ T5014] ? udf_close_lvid+0x14c/0x9a0 [ 58.775855][ T5014] ? udf_open_lvid+0x5b0/0x5b0 [ 58.780617][ T5014] ? iput+0x37e/0x8f0 [ 58.784583][ T5014] ? clear_inode+0x150/0x150 [ 58.789174][ T5014] ? module_put+0x136/0x2a0 [ 58.793681][ T5014] udf_put_super+0xcd/0x160 [ 58.798284][ T5014] ? udf_free_in_core_inode+0x30/0x30 [ 58.803927][ T5014] generic_shutdown_super+0x134/0x340 [ 58.809572][ T5014] kill_block_super+0x68/0xa0 [ 58.814241][ T5014] deactivate_locked_super+0xa4/0x110 [ 58.819598][ T5014] cleanup_mnt+0x426/0x4c0 [ 58.824003][ T5014] ? _raw_spin_unlock_irq+0x23/0x50 [ 58.829295][ T5014] task_work_run+0x24a/0x300 [ 58.834014][ T5014] ? kasan_quarantine_put+0xd8/0x230 [ 58.839332][ T5014] ? task_work_cancel+0x2b0/0x2b0 [ 58.844534][ T5014] ? kmem_cache_free+0x292/0x500 [ 58.849460][ T5014] ? do_exit+0x68a/0x2290 [ 58.853776][ T5014] do_exit+0x68f/0x2290 [ 58.858180][ T5014] ? put_task_struct+0x80/0x80 [ 58.863120][ T5014] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 58.869106][ T5014] ? print_irqtrace_events+0x220/0x220 [ 58.874552][ T5014] ? _raw_spin_unlock_irq+0x23/0x50 [ 58.879744][ T5014] ? lockdep_hardirqs_on+0x98/0x140 [ 58.884929][ T5014] do_group_exit+0x206/0x2c0 [ 58.889594][ T5014] __x64_sys_exit_group+0x3f/0x40 [ 58.894630][ T5014] do_syscall_64+0x41/0xc0 [ 58.899026][ T5014] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.904907][ T5014] RIP: 0033:0x7f4eadcbec09 [ 58.909315][ T5014] Code: Unable to access opcode bytes at 0x7f4eadcbebdf. [ 58.916320][ T5014] RSP: 002b:00007ffcd9111c38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 58.924721][ T5014] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4eadcbec09 [ 58.932679][ T5014] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 58.940653][ T5014] RBP: 00007f4eadd5a390 R08: ffffffffffffffb8 R09: 00007ffcd9111d10 [ 58.948619][ T5014] R10: 0000000020000380 R11: 0000000000000246 R12: 00007f4eadd5a390 [ 58.956569][ T5014] R13: 0000000000000000 R14: 00007f4eadd5b100 R15: 00007f4eadc8cee0 [ 58.964527][ T5014] [ 58.967525][ T5014] Modules linked in: [ 58.971401][ T5014] CR2: ffffed101bbe34d9 [ 58.975562][ T5014] ---[ end trace 0000000000000000 ]--- [ 58.980995][ T5014] RIP: 0010:udf_close_lvid+0x14c/0x9a0 [ 58.986448][ T5014] Code: dc 49 83 c4 50 0f 84 f3 00 00 00 49 8d bf c0 00 00 00 48 89 7c 24 40 31 f6 e8 c0 06 c3 07 49 8d 7c 24 18 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 3d 05 00 00 4c 89 7c 24 18 4c 89 74 24 [ 59.006129][ T5014] RSP: 0018:ffffc90003c0fa60 EFLAGS: 00010a02 [ 59.012364][ T5014] RAX: 1ffff1101bbe34d9 RBX: ffff888072c0d000 RCX: 0000000000000001 [ 59.020416][ T5014] RDX: 0000000000000000 RSI: ffffffff8b58af40 RDI: ffff8880ddf1a6c8 [ 59.028377][ T5014] RBP: ffffc90003c0fb50 R08: ffffffff8e987a2f R09: 1ffffffff1d30f45 [ 59.036345][ T5014] R10: dffffc0000000000 R11: fffffbfff1d30f46 R12: ffff8880ddf1a6b0 [ 59.044390][ T5014] R13: dffffc0000000000 R14: 1ffff92000781f58 R15: ffff888022099c00 [ 59.052347][ T5014] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 59.061260][ T5014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.067826][ T5014] CR2: ffffed101bbe34d9 CR3: 00000000245c4000 CR4: 00000000003506f0 [ 59.075786][ T5014] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.083743][ T5014] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.091702][ T5014] Kernel panic - not syncing: Fatal exception [ 59.097967][ T5014] Kernel Offset: disabled [ 59.102281][ T5014] Rebooting in 86400 seconds..