./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1751085369 <...> Warning: Permanently added '10.128.1.60' (ED25519) to the list of known hosts. execve("./syz-executor1751085369", ["./syz-executor1751085369"], 0x7ffd58b84e10 /* 10 vars */) = 0 brk(NULL) = 0x555555a88000 brk(0x555555a88d00) = 0x555555a88d00 arch_prctl(ARCH_SET_FS, 0x555555a88380) = 0 set_tid_address(0x555555a88650) = 5067 set_robust_list(0x555555a88660, 24) = 0 rseq(0x555555a88ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1751085369", 4096) = 28 getrandom("\xd4\xaa\xd5\x87\x27\x57\x4f\xbf", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555a88d00 brk(0x555555aa9d00) = 0x555555aa9d00 brk(0x555555aaa000) = 0x555555aaa000 mprotect(0x7f0304cae000, 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 5068 attached , child_tidptr=0x555555a88650) = 5068 [pid 5068] set_robust_list(0x555555a88660, 24) = 0 [pid 5068] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5068] setsid() = 1 [pid 5068] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5068] unshare(CLONE_NEWNS) = 0 [pid 5068] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5068] unshare(CLONE_NEWIPC) = 0 [pid 5068] unshare(CLONE_NEWCGROUP) = 0 [pid 5068] unshare(CLONE_NEWUTS) = 0 [pid 5068] unshare(CLONE_SYSVSEM) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "16777216", 8) = 8 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "536870912", 9) = 9 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "8192", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5068] close(3) = 0 [pid 5068] getpid() = 1 [pid 5068] 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 [ 56.164683][ T5068] RSP: 0018:ffffc900037bfc38 EFLAGS: 00010216 [ 56.170736][ T5068] RAX: dffffc0000000000 RBX: ffff8880e41b4060 RCX: 0000000000000000 [ 56.178695][ T5068] RDX: 1ffff1101c83680f RSI: ffffffff8b2efc60 RDI: ffff8880e41b4078 [ 56.186736][ T5068] RBP: ffff88807deeebc8 R08: 0000000000000000 R09: fffffbfff1e327aa [ 56.194709][ T5068] R10: ffffc900037bfc38 R11: 0000000000000001 R12: ffff888020ad0000 [ 56.202676][ T5068] R13: ffff888078baa000 R14: ffff888073958000 R15: ffff888078dd8940 [ 56.210640][ T5068] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 56.219558][ T5068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.226128][ T5068] CR2: ffffed101c83680f CR3: 00000000795bd000 CR4: 0000000000350ef0 [ 56.234086][ T5068] Call Trace: [ 56.237353][ T5068] [ 56.240271][ T5068] ? show_regs+0x8f/0xa0 [ 56.244506][ T5068] ? __die+0x2c/0x80 [ 56.248385][ T5068] ? page_fault_oops+0x398/0xab0 [ 56.253319][ T5068] ? reacquire_held_locks+0x4c0/0x4c0 [ 56.258772][ T5068] ? dump_pagetable+0x530/0x530 [ 56.263608][ T5068] ? search_extable+0x83/0xb0 [ 56.268278][ T5068] ? is_prefetch.constprop.0+0xb6/0x550 [ 56.273812][ T5068] ? __module_address+0x55/0x3b0 [ 56.278745][ T5068] ? bpf_ksym_find+0x124/0x1b0 [ 56.283498][ T5068] ? pgtable_bad+0x80/0x80 [ 56.287912][ T5068] ? fixup_exception+0x110/0xc90 [ 56.292843][ T5068] ? kernelmode_fixup_or_oops+0x23c/0x2b0 [ 56.298551][ T5068] ? __bad_area_nosemaphore+0x390/0x6a0 [ 56.304083][ T5068] ? trace_contention_end+0xd6/0x100 [ 56.309359][ T5068] ? spurious_kernel_fault+0x2f4/0x3c0 [ 56.314813][ T5068] ? __mutex_lock+0x1a6/0x9d0 [ 56.319474][ T5068] ? do_kern_addr_fault+0x5b/0x80 [ 56.324573][ T5068] ? exc_page_fault+0xae/0xc0 [ 56.329243][ T5068] ? asm_exc_page_fault+0x26/0x30 [ 56.334252][ T5068] ? udf_close_lvid+0x13b/0x5c0 [ 56.339090][ T5068] ? udf_close_lvid+0x126/0x5c0 [ 56.343923][ T5068] ? fscrypt_destroy_keyring+0x1e/0x3d0 [ 56.349460][ T5068] udf_put_super+0x19c/0x200 [ 56.354037][ T5068] ? udf_close_lvid+0x5c0/0x5c0 [ 56.358873][ T5068] generic_shutdown_super+0x161/0x3d0 [ 56.364239][ T5068] kill_block_super+0x3b/0x90 [ 56.368901][ T5068] deactivate_locked_super+0xbc/0x1a0 [ 56.374260][ T5068] deactivate_super+0xde/0x100 [ 56.379033][ T5068] cleanup_mnt+0x222/0x450 [ 56.383449][ T5068] task_work_run+0x14d/0x240 [ 56.388042][ T5068] ? task_work_cancel+0x30/0x30 [ 56.392883][ T5068] do_exit+0xa8a/0x2ad0 [ 56.397022][ T5068] ? do_group_exit+0x1c5/0x2a0 [ 56.401769][ T5068] ? reacquire_held_locks+0x4c0/0x4c0 [ 56.407135][ T5068] ? do_raw_spin_lock+0x12e/0x2b0 [ 56.412145][ T5068] ? mm_update_next_owner+0x840/0x840 [ 56.417502][ T5068] ? spin_bug+0x1d0/0x1d0 [ 56.421821][ T5068] do_group_exit+0xd4/0x2a0 [ 56.426333][ T5068] __x64_sys_exit_group+0x3e/0x50 [ 56.431363][ T5068] do_syscall_64+0x40/0x110 [ 56.435869][ T5068] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 56.441752][ T5068] RIP: 0033:0x7f0304c18d89 [ 56.446148][ T5068] Code: Unable to access opcode bytes at 0x7f0304c18d5f. [ 56.453148][ T5068] RSP: 002b:00007ffdf21b6aa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 56.461552][ T5068] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0304c18d89 [ 56.469508][ T5068] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 56.477466][ T5068] RBP: 00007f0304cb4390 R08: ffffffffffffffb8 R09: 000000000001f200 [ 56.485424][ T5068] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0304cb4390 [ 56.493381][ T5068] R13: 0000000000000000 R14: 00007f0304cb5100 R15: 00007f0304be7070 [ 56.501347][ T5068] [ 56.504351][ T5068] Modules linked in: [ 56.508224][ T5068] CR2: ffffed101c83680f [ 56.512359][ T5068] ---[ end trace 0000000000000000 ]--- [ 56.517795][ T5068] RIP: 0010:udf_close_lvid+0x13b/0x5c0 [ 56.523243][ T5068] Code: 84 24 c0 00 00 00 31 f6 48 89 c7 48 89 44 24 08 e8 ea 16 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 [ 56.542840][ T5068] RSP: 0018:ffffc900037bfc38 EFLAGS: 00010216 [ 56.548893][ T5068] RAX: dffffc0000000000 RBX: ffff8880e41b4060 RCX: 0000000000000000 [ 56.556851][ T5068] RDX: 1ffff1101c83680f RSI: ffffffff8b2efc60 RDI: ffff8880e41b4078 [ 56.564990][ T5068] RBP: ffff88807deeebc8 R08: 0000000000000000 R09: fffffbfff1e327aa [ 56.572946][ T5068] R10: ffffc900037bfc38 R11: 0000000000000001 R12: ffff888020ad0000 [ 56.580904][ T5068] R13: ffff888078baa000 R14: ffff888073958000 R15: ffff888078dd8940 [ 56.588864][ T5068] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 56.597779][ T5068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.604349][ T5068] CR2: ffffed101c83680f CR3: 00000000795bd000 CR4: 0000000000350ef0 [ 56.612311][ T5068] Kernel panic - not syncing: Fatal exception [ 56.618582][ T5068] Kernel Offset: disabled [ 56.622889][ T5068] Rebooting in 86400 seconds..