./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2832934913 <...> Warning: Permanently added '10.128.0.95' (ED25519) to the list of known hosts. execve("./syz-executor2832934913", ["./syz-executor2832934913"], 0x7ffee4e6d3a0 /* 10 vars */) = 0 brk(NULL) = 0x555556b60000 brk(0x555556b60e00) = 0x555556b60e00 arch_prctl(ARCH_SET_FS, 0x555556b60480) = 0 set_tid_address(0x555556b60750) = 5066 set_robust_list(0x555556b60760, 24) = 0 rseq(0x555556b60da0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2832934913", 4096) = 28 getrandom("\xef\x2d\x67\xd4\x7f\xa4\xd4\x48", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556b60e00 brk(0x555556b81e00) = 0x555556b81e00 brk(0x555556b82000) = 0x555556b82000 mprotect(0x7f4ef7565000, 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 getpid() = 5066 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 write(3, "5066", 4) = 4 close(3) = 0 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f4ef74b8480, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f4ef74c0ac0}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f4ef74b8480, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f4ef74c0ac0}, NULL, 8) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5067 attached [pid 5067] set_robust_list(0x555556b60760, 24 [pid 5066] <... clone resumed>, child_tidptr=0x555556b60750) = 5067 [pid 5067] <... set_robust_list resumed>) = 0 [pid 5067] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5067] setsid() = 1 [pid 5067] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5067] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5067] unshare(CLONE_NEWNS) = 0 [pid 5067] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5067] unshare(CLONE_NEWIPC) = 0 [pid 5067] unshare(CLONE_NEWCGROUP) = 0 [pid 5067] unshare(CLONE_NEWUTS) = 0 [pid 5067] unshare(CLONE_SYSVSEM) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "16777216", 8) = 8 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "536870912", 9) = 9 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1024", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "8192", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1024", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1024", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5067] close(3) = 0 [pid 5067] getpid() = 1 [pid 5067] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 b2 03 00 00 [ 60.251718][ T5067] RSP: 0018:ffffc9000396fc38 EFLAGS: 00010212 [ 60.257763][ T5067] RAX: dffffc0000000000 RBX: ffff8880c00ed2f8 RCX: 0000000000000000 [ 60.265715][ T5067] RDX: 1ffff1101801da62 RSI: ffffffff8b2f01e0 RDI: ffff8880c00ed310 [ 60.273667][ T5067] RBP: ffff888059192d98 R08: 0000000000000000 R09: fffffbfff1e3279a [ 60.281620][ T5067] R10: ffffc9000396fc38 R11: 0000000000000001 R12: ffff888026e5a000 [ 60.289578][ T5067] R13: ffff88801ebe4000 R14: ffff888077d7b000 R15: ffff888015a64ac0 [ 60.297536][ T5067] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 60.306454][ T5067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.313029][ T5067] CR2: ffffed101801da62 CR3: 000000000cd77000 CR4: 0000000000350ef0 [ 60.320991][ T5067] Call Trace: [ 60.324257][ T5067] [ 60.327171][ T5067] ? show_regs+0x8f/0xa0 [ 60.331409][ T5067] ? __die+0x2c/0x80 [ 60.335295][ T5067] ? page_fault_oops+0x398/0xab0 [ 60.340218][ T5067] ? reacquire_held_locks+0x4c0/0x4c0 [ 60.345589][ T5067] ? dump_pagetable+0x530/0x530 [ 60.350427][ T5067] ? search_extable+0x83/0xb0 [ 60.355088][ T5067] ? is_prefetch.constprop.0+0xb6/0x550 [ 60.360620][ T5067] ? __module_address+0x55/0x3b0 [ 60.365544][ T5067] ? bpf_ksym_find+0x124/0x1b0 [ 60.370290][ T5067] ? pgtable_bad+0x80/0x80 [ 60.374687][ T5067] ? fixup_exception+0x110/0xc90 [ 60.379606][ T5067] ? kernelmode_fixup_or_oops+0x23c/0x2b0 [ 60.385310][ T5067] ? __bad_area_nosemaphore+0x390/0x6a0 [ 60.390837][ T5067] ? trace_contention_end+0xd6/0x100 [ 60.396103][ T5067] ? spurious_kernel_fault+0x2f4/0x3c0 [ 60.401542][ T5067] ? __mutex_lock+0x1a6/0x9d0 [ 60.406206][ T5067] ? do_kern_addr_fault+0x5b/0x80 [ 60.411228][ T5067] ? exc_page_fault+0xae/0xc0 [ 60.415898][ T5067] ? asm_exc_page_fault+0x26/0x30 [ 60.420904][ T5067] ? udf_close_lvid+0x13b/0x5c0 [ 60.425745][ T5067] ? udf_close_lvid+0x126/0x5c0 [ 60.430605][ T5067] ? fscrypt_destroy_keyring+0x1e/0x3d0 [ 60.436167][ T5067] udf_put_super+0x19c/0x200 [ 60.440774][ T5067] ? udf_close_lvid+0x5c0/0x5c0 [ 60.445624][ T5067] generic_shutdown_super+0x161/0x3d0 [ 60.450986][ T5067] kill_block_super+0x3b/0x90 [ 60.455648][ T5067] deactivate_locked_super+0xbc/0x1a0 [ 60.461006][ T5067] deactivate_super+0xde/0x100 [ 60.465753][ T5067] cleanup_mnt+0x222/0x450 [ 60.470153][ T5067] task_work_run+0x14d/0x240 [ 60.474727][ T5067] ? task_work_cancel+0x30/0x30 [ 60.479562][ T5067] do_exit+0xa8a/0x2ad0 [ 60.483699][ T5067] ? do_group_exit+0x1c5/0x2a0 [ 60.488440][ T5067] ? reacquire_held_locks+0x4c0/0x4c0 [ 60.493796][ T5067] ? do_raw_spin_lock+0x12e/0x2b0 [ 60.498804][ T5067] ? mm_update_next_owner+0x840/0x840 [ 60.504157][ T5067] ? spin_bug+0x1d0/0x1d0 [ 60.508464][ T5067] do_group_exit+0xd4/0x2a0 [ 60.512954][ T5067] __x64_sys_exit_group+0x3e/0x50 [ 60.517961][ T5067] do_syscall_64+0x40/0x110 [ 60.522454][ T5067] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 60.528341][ T5067] RIP: 0033:0x7f4ef74f32f9 [ 60.532739][ T5067] Code: Unable to access opcode bytes at 0x7f4ef74f32cf. [ 60.539750][ T5067] RSP: 002b:00007ffcb2f69718 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 60.548181][ T5067] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4ef74f32f9 [ 60.556145][ T5067] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 60.564104][ T5067] RBP: 00007f4ef756b2d0 R08: ffffffffffffffb8 R09: 00007f4ef7538149 [ 60.572062][ T5067] R10: 00007f4ef7538149 R11: 0000000000000246 R12: 00007f4ef756b2d0 [ 60.580020][ T5067] R13: 0000000000000000 R14: 00007f4ef756d0a0 R15: 00007f4ef74b9bc0 [ 60.587982][ T5067] [ 60.590985][ T5067] Modules linked in: [ 60.594856][ T5067] CR2: ffffed101801da62 [ 60.599017][ T5067] ---[ end trace 0000000000000000 ]--- [ 60.604483][ T5067] RIP: 0010:udf_close_lvid+0x13b/0x5c0 [ 60.609986][ T5067] Code: 84 24 c0 00 00 00 31 f6 48 89 c7 48 89 44 24 08 e8 3a 33 8f 07 48 8d 7b 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 b2 03 00 00 [ 60.629630][ T5067] RSP: 0018:ffffc9000396fc38 EFLAGS: 00010212 [ 60.635699][ T5067] RAX: dffffc0000000000 RBX: ffff8880c00ed2f8 RCX: 0000000000000000 [ 60.643657][ T5067] RDX: 1ffff1101801da62 RSI: ffffffff8b2f01e0 RDI: ffff8880c00ed310 [ 60.651607][ T5067] RBP: ffff888059192d98 R08: 0000000000000000 R09: fffffbfff1e3279a [ 60.659556][ T5067] R10: ffffc9000396fc38 R11: 0000000000000001 R12: ffff888026e5a000 [ 60.667501][ T5067] R13: ffff88801ebe4000 R14: ffff888077d7b000 R15: ffff888015a64ac0 [ 60.675453][ T5067] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 60.684365][ T5067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.690947][ T5067] CR2: ffffed101801da62 CR3: 000000000cd77000 CR4: 0000000000350ef0 [ 60.698901][ T5067] Kernel panic - not syncing: Fatal exception [ 60.705203][ T5067] Kernel Offset: disabled [ 60.709508][ T5067] Rebooting in 86400 seconds..