./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1474318169 <...> Warning: Permanently added '10.128.0.226' (ED25519) to the list of known hosts. execve("./syz-executor1474318169", ["./syz-executor1474318169"], 0x7ffecad8b8d0 /* 10 vars */) = 0 brk(NULL) = 0x555556cd6000 brk(0x555556cd6d00) = 0x555556cd6d00 arch_prctl(ARCH_SET_FS, 0x555556cd6380) = 0 set_tid_address(0x555556cd6650) = 5030 set_robust_list(0x555556cd6660, 24) = 0 rseq(0x555556cd6ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1474318169", 4096) = 28 getrandom("\x04\x94\x2c\xb0\x5d\xfb\xfe\xa4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556cd6d00 brk(0x555556cf7d00) = 0x555556cf7d00 brk(0x555556cf8000) = 0x555556cf8000 mprotect(0x7f08e29d3000, 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 5031 attached , child_tidptr=0x555556cd6650) = 5031 [pid 5031] set_robust_list(0x555556cd6660, 24) = 0 [pid 5031] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5031] setsid() = 1 [pid 5031] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5031] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5031] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5031] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5031] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5031] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5031] unshare(CLONE_NEWNS) = 0 [pid 5031] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5031] unshare(CLONE_NEWIPC) = 0 [pid 5031] unshare(CLONE_NEWCGROUP) = 0 [pid 5031] unshare(CLONE_NEWUTS) = 0 [pid 5031] unshare(CLONE_SYSVSEM) = 0 [pid 5031] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5031] write(3, "16777216", 8) = 8 [pid 5031] close(3) = 0 [pid 5031] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5031] write(3, "536870912", 9) = 9 [pid 5031] close(3) = 0 [pid 5031] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5031] write(3, "1024", 4) = 4 [pid 5031] close(3) = 0 [pid 5031] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5031] write(3, "8192", 4) = 4 [pid 5031] close(3) = 0 [pid 5031] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5031] write(3, "1024", 4) = 4 [pid 5031] close(3) = 0 [pid 5031] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5031] write(3, "1024", 4) = 4 [pid 5031] close(3) = 0 [pid 5031] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5031] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5031] close(3) = 0 [pid 5031] getpid() = 1 [pid 5031] 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 [ 74.694880][ T5031] RSP: 0018:ffffc9000396fa60 EFLAGS: 00010a06 [ 74.700961][ T5031] RAX: 1ffff1101d37140f RBX: ffff88807932e000 RCX: 0000000000000001 [ 74.708958][ T5031] RDX: 0000000000000000 RSI: ffffffff8b599580 RDI: ffff8880e9b8a078 [ 74.716954][ T5031] RBP: ffffc9000396fb58 R08: ffffffff8e9a66ef R09: 1ffffffff1d34cdd [ 74.724939][ T5031] R10: dffffc0000000000 R11: fffffbfff1d34cde R12: ffff8880e9b8a060 [ 74.732917][ T5031] R13: dffffc0000000000 R14: 1ffff9200072df58 R15: ffff88801abe0800 [ 74.740904][ T5031] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 74.749889][ T5031] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.756488][ T5031] CR2: ffffed101d37140f CR3: 000000007d6e8000 CR4: 00000000003506e0 [ 74.764478][ T5031] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.772458][ T5031] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.780433][ T5031] Call Trace: [ 74.783719][ T5031] [ 74.786675][ T5031] ? __die_body+0x8b/0xe0 [ 74.791021][ T5031] ? page_fault_oops+0x802/0xaa0 [ 74.796232][ T5031] ? kernelmode_fixup_or_oops+0x2a0/0x2a0 [ 74.801961][ T5031] ? page_fault_oops+0xaa0/0xaa0 [ 74.806910][ T5031] ? kernelmode_fixup_or_oops+0x225/0x2a0 [ 74.812639][ T5031] ? __bad_area_nosemaphore+0x12a/0x730 [ 74.818216][ T5031] ? __mutex_lock_common+0x42d/0x2530 [ 74.823622][ T5031] ? spurious_kernel_fault_check+0x130/0x130 [ 74.829627][ T5031] ? spurious_kernel_fault+0x11b/0x510 [ 74.835097][ T5031] ? do_kern_addr_fault+0x30/0x80 [ 74.840135][ T5031] ? exc_page_fault+0x5ae/0x860 [ 74.845000][ T5031] ? mutex_lock_io_nested+0x60/0x60 [ 74.850224][ T5031] ? asm_exc_page_fault+0x26/0x30 [ 74.855268][ T5031] ? udf_close_lvid+0x14c/0x9a0 [ 74.860173][ T5031] ? udf_open_lvid+0x5b0/0x5b0 [ 74.864968][ T5031] ? iput+0x37e/0x8f0 [ 74.868980][ T5031] ? clear_inode+0x150/0x150 [ 74.873623][ T5031] ? module_put+0x136/0x2a0 [ 74.878140][ T5031] udf_put_super+0xcd/0x160 [ 74.882656][ T5031] ? udf_free_in_core_inode+0x30/0x30 [ 74.888057][ T5031] generic_shutdown_super+0x13a/0x2c0 [ 74.893460][ T5031] kill_block_super+0x41/0x70 [ 74.898156][ T5031] deactivate_locked_super+0xa4/0x110 [ 74.903547][ T5031] cleanup_mnt+0x426/0x4c0 [ 74.907971][ T5031] ? _raw_spin_unlock_irq+0x23/0x50 [ 74.913177][ T5031] task_work_run+0x24a/0x300 [ 74.917793][ T5031] ? kasan_quarantine_put+0xd8/0x230 [ 74.923091][ T5031] ? task_work_cancel+0x2b0/0x2b0 [ 74.928129][ T5031] ? kmem_cache_free+0x292/0x500 [ 74.933098][ T5031] ? do_exit+0x68a/0x2290 [ 74.937545][ T5031] do_exit+0x68f/0x2290 [ 74.941784][ T5031] ? put_task_struct+0xc0/0xc0 [ 74.946598][ T5031] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 74.952620][ T5031] ? print_irqtrace_events+0x220/0x220 [ 74.958100][ T5031] ? _raw_spin_unlock_irq+0x23/0x50 [ 74.963321][ T5031] ? lockdep_hardirqs_on+0x98/0x140 [ 74.968541][ T5031] do_group_exit+0x206/0x2c0 [ 74.973181][ T5031] __x64_sys_exit_group+0x3f/0x40 [ 74.978237][ T5031] do_syscall_64+0x41/0xc0 [ 74.982682][ T5031] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 74.988638][ T5031] RIP: 0033:0x7f08e293dd89 [ 74.993093][ T5031] Code: Unable to access opcode bytes at 0x7f08e293dd5f. [ 75.000123][ T5031] RSP: 002b:00007ffd96c857b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 75.008568][ T5031] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f08e293dd89 [ 75.016742][ T5031] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 75.024725][ T5031] RBP: 00007f08e29d9390 R08: ffffffffffffffb8 R09: 0000000000000000 [ 75.032704][ T5031] R10: 0000000000000022 R11: 0000000000000246 R12: 00007f08e29d9390 [ 75.040788][ T5031] R13: 0000000000000000 R14: 00007f08e29da100 R15: 00007f08e290c070 [ 75.049009][ T5031] [ 75.052051][ T5031] Modules linked in: [ 75.055963][ T5031] CR2: ffffed101d37140f [ 75.060132][ T5031] ---[ end trace 0000000000000000 ]--- [ 75.068395][ T5031] RIP: 0010:udf_close_lvid+0x14c/0x9a0 [ 75.074071][ T5031] 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 50 78 cb 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 [ 75.093898][ T5031] RSP: 0018:ffffc9000396fa60 EFLAGS: 00010a06 [ 75.100005][ T5031] RAX: 1ffff1101d37140f RBX: ffff88807932e000 RCX: 0000000000000001 [ 75.108005][ T5031] RDX: 0000000000000000 RSI: ffffffff8b599580 RDI: ffff8880e9b8a078 [ 75.116310][ T5031] RBP: ffffc9000396fb58 R08: ffffffff8e9a66ef R09: 1ffffffff1d34cdd [ 75.124663][ T5031] R10: dffffc0000000000 R11: fffffbfff1d34cde R12: ffff8880e9b8a060 [ 75.132675][ T5031] R13: dffffc0000000000 R14: 1ffff9200072df58 R15: ffff88801abe0800 [ 75.140929][ T5031] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 75.149879][ T5031] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.156487][ T5031] CR2: ffffed101d37140f CR3: 000000007d6e8000 CR4: 00000000003506e0 [ 75.164565][ T5031] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.172559][ T5031] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.180738][ T5031] Kernel panic - not syncing: Fatal exception [ 75.187101][ T5031] Kernel Offset: disabled [ 75.191447][ T5031] Rebooting in 86400 seconds..