./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2483101164 <...> Warning: Permanently added '10.128.0.30' (ED25519) to the list of known hosts. execve("./syz-executor2483101164", ["./syz-executor2483101164"], 0x7fff25453df0 /* 10 vars */) = 0 brk(NULL) = 0x55558cd0a000 brk(0x55558cd0ad00) = 0x55558cd0ad00 arch_prctl(ARCH_SET_FS, 0x55558cd0a380) = 0 set_tid_address(0x55558cd0a650) = 5177 set_robust_list(0x55558cd0a660, 24) = 0 rseq(0x55558cd0aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2483101164", 4096) = 28 getrandom("\x75\xca\x22\xe4\xc9\x53\xe8\xde", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558cd0ad00 brk(0x55558cd2bd00) = 0x55558cd2bd00 brk(0x55558cd2c000) = 0x55558cd2c000 mprotect(0x7f300204e000, 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, child_tidptr=0x55558cd0a650) = 5178 ./strace-static-x86_64: Process 5178 attached [pid 5178] set_robust_list(0x55558cd0a660, 24) = 0 [pid 5178] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5178] setsid() = 1 [pid 5178] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5178] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5178] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5178] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5178] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5178] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5178] unshare(CLONE_NEWNS) = 0 [pid 5178] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5178] unshare(CLONE_NEWIPC) = 0 [pid 5178] unshare(CLONE_NEWCGROUP) = 0 [pid 5178] unshare(CLONE_NEWUTS) = 0 [pid 5178] unshare(CLONE_SYSVSEM) = 0 [pid 5178] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5178] write(3, "16777216", 8) = 8 [pid 5178] close(3) = 0 [pid 5178] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5178] write(3, "536870912", 9) = 9 [pid 5178] close(3) = 0 [pid 5178] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5178] write(3, "1024", 4) = 4 [pid 5178] close(3) = 0 [pid 5178] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5178] write(3, "8192", 4) = 4 [pid 5178] close(3) = 0 [pid 5178] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5178] write(3, "1024", 4) = 4 [pid 5178] close(3) = 0 [pid 5178] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5178] write(3, "1024", 4) = 4 [pid 5178] close(3) = 0 [pid 5178] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5178] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5178] close(3) = 0 [pid 5178] getpid() = 1 [pid 5178] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 188.891102][ T5181] dump_stack_lvl+0x216/0x2d0 [ 188.895928][ T5181] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 188.901901][ T5181] dump_stack+0x1e/0x30 [ 188.906201][ T5181] panic+0x4e2/0xcd0 [ 188.910266][ T5181] ? kmsan_get_metadata+0x81/0x1c0 [ 188.915659][ T5181] kmsan_report+0x2c7/0x2d0 [ 188.920318][ T5181] ? __msan_warning+0x95/0x120 [ 188.925247][ T5181] ? udf_get_fileshortad+0x174/0x1c0 [ 188.930712][ T5181] ? udf_current_aext+0x6cb/0x950 [ 188.935871][ T5181] ? udf_next_aext+0x94/0x500 [ 188.940678][ T5181] ? udf_discard_prealloc+0x47c/0x830 [ 188.946208][ T5181] ? udf_release_file+0xfd/0x160 [ 188.951361][ T5181] ? __fput+0x344/0x1160 [ 188.955767][ T5181] ? __fput_sync+0x74/0x90 [ 188.960469][ T5181] ? __se_sys_close+0x290/0x4d0 [ 188.965470][ T5181] ? __x64_sys_close+0x48/0x60 [ 188.970377][ T5181] ? x64_sys_call+0x2c26/0x3ba0 [ 188.975426][ T5181] ? do_syscall_64+0xcd/0x1e0 [ 188.980315][ T5181] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 188.986549][ T5181] ? stack_depot_save_flags+0x2c/0x6e0 [ 188.992171][ T5181] ? kmsan_get_metadata+0x13e/0x1c0 [ 188.997525][ T5181] ? stack_depot_save+0x12/0x20 [ 189.002539][ T5181] ? kmsan_internal_chain_origin+0xb0/0xd0 [ 189.008651][ T5181] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 189.014646][ T5181] ? kmsan_internal_chain_origin+0x57/0xd0 [ 189.020638][ T5181] ? kmsan_internal_memmove_metadata+0x17b/0x230 [ 189.027116][ T5181] ? __msan_memcpy+0x108/0x1c0 [ 189.032029][ T5181] ? udf_discard_prealloc+0x37d/0x830 [ 189.037589][ T5181] ? udf_release_file+0xfd/0x160 [ 189.042712][ T5181] ? __fput+0x344/0x1160 [ 189.047086][ T5181] ? __fput_sync+0x74/0x90 [ 189.051633][ T5181] ? __se_sys_close+0x290/0x4d0 [ 189.056624][ T5181] ? __x64_sys_close+0x48/0x60 [ 189.061528][ T5181] ? x64_sys_call+0x2c26/0x3ba0 [ 189.066543][ T5181] ? do_syscall_64+0xcd/0x1e0 [ 189.071391][ T5181] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 189.077697][ T5181] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 189.083694][ T5181] ? __wait_on_bit+0x1f8/0x4b0 [ 189.088596][ T5181] ? kmsan_get_metadata+0x13e/0x1c0 [ 189.093967][ T5181] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 189.100010][ T5181] __msan_warning+0x95/0x120 [ 189.104732][ T5181] udf_get_fileshortad+0x174/0x1c0 [ 189.109971][ T5181] udf_current_aext+0x6cb/0x950 [ 189.114987][ T5181] udf_next_aext+0x94/0x500 [ 189.119645][ T5181] udf_discard_prealloc+0x47c/0x830 [ 189.125027][ T5181] udf_release_file+0xfd/0x160 [ 189.130008][ T5181] ? __pfx_udf_release_file+0x10/0x10 [ 189.135528][ T5181] __fput+0x344/0x1160 [ 189.139818][ T5181] ? kmsan_get_metadata+0x80/0x1c0 [ 189.145172][ T5181] __fput_sync+0x74/0x90 [ 189.149617][ T5181] __se_sys_close+0x290/0x4d0 [ 189.154463][ T5181] __x64_sys_close+0x48/0x60 [ 189.159201][ T5181] x64_sys_call+0x2c26/0x3ba0 [ 189.164052][ T5181] do_syscall_64+0xcd/0x1e0 [ 189.168738][ T5181] ? clear_bhb_loop+0x25/0x80 [ 189.173568][ T5181] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 189.179621][ T5181] RIP: 0033:0x7f3001fd8660 [ 189.184135][ T5181] Code: ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 80 3d 41 aa 07 00 00 74 17 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c [ 189.204013][ T5181] RSP: 002b:00007ffe9d3124a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 189.212635][ T5181] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3001fd8660 [ 189.220783][ T5181] RDX: 00000000200000c0 RSI: 0000000000004c02 RDI: 0000000000000004 [ 189.228910][ T5181] RBP: 0000000000000000 R08: 0023706f6f6c2f76 R09: 0000555500000000 [ 189.237010][ T5181] R10: 000000000000000f R11: 0000000000000202 R12: 00000000000f4240 [ 189.245090][ T5181] R13: 00007f300202819c R14: 00007f30020220ea R15: 00007ffe9d3124e0 [ 189.253212][ T5181] [ 189.256617][ T5181] Kernel Offset: disabled [ 189.261117][ T5181] Rebooting in 86400 seconds..