./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2793215580 <...> Warning: Permanently added '10.128.0.141' (ED25519) to the list of known hosts. execve("./syz-executor2793215580", ["./syz-executor2793215580"], 0x7ffd4ca52ce0 /* 10 vars */) = 0 brk(NULL) = 0x555575c75000 brk(0x555575c75d00) = 0x555575c75d00 arch_prctl(ARCH_SET_FS, 0x555575c75380) = 0 set_tid_address(0x555575c75650) = 5074 set_robust_list(0x555575c75660, 24) = 0 rseq(0x555575c75ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2793215580", 4096) = 28 getrandom("\x1c\x9d\x01\xca\xc8\x89\x38\xf6", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555575c75d00 brk(0x555575c96d00) = 0x555575c96d00 brk(0x555575c97000) = 0x555575c97000 mprotect(0x7f072deff000, 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 openat(AT_FDCWD, "/dev/vhost-vsock", O_RDWR) = 3 ioctl(3, VHOST_SET_OWNER, 0) = 0 openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0777) = 4 write(4, "\x7f\x45\x4c\x46\xfc\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x38\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 120) = 120 close(4) = 0 execveat(AT_FDCWD, "./file1", NULL, NULL, 0) = 0 --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 73.103673][ T5074] process 'syz-executor279' launched './file1' with NULL argv: empty string added [ 73.126563][ T5074] ------------[ cut here ]------------ [ 73.132339][ T5074] WARNING: CPU: 1 PID: 5074 at kernel/signal.c:762 signal_wake_up_state+0xec/0x120 [ 73.141957][ T5074] Modules linked in: [ 73.145864][ T5074] CPU: 1 PID: 5074 Comm: file1 Not tainted 6.8.0-syzkaller-08073-g480e035fc4c7 #0 [ 73.155314][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 73.165568][ T5074] RIP: 0010:signal_wake_up_state+0xec/0x120 [ 73.171490][ T5074] Code: 10 e8 68 75 39 00 5b 41 5e 41 5f 5d c3 cc cc cc cc e8 58 75 39 00 48 89 df 5b 41 5e 41 5f 5d e9 ea 01 0a 00 e8 45 75 39 00 90 <0f> 0b 90 eb a3 48 c7 c1 1c 60 87 8f 80 e1 07 80 c1 03 38 c1 0f 8c [ 73.191125][ T5074] RSP: 0018:ffffc900039c7918 EFLAGS: 00010093 [ 73.197222][ T5074] RAX: ffffffff815b800b RBX: ffff888028c50000 RCX: ffff888022170000 [ 73.205207][ T5074] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 73.213216][ T5074] RBP: 0000000000000000 R08: ffffffff815b7fa4 R09: fffff52000738f04 [ 73.221204][ T5074] R10: dffffc0000000000 R11: fffff52000738f04 R12: ffff888028c50000 [ 73.229183][ T5074] R13: ffff888022170908 R14: 0000000000000108 R15: dffffc0000000000 [ 73.237162][ T5074] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 73.246125][ T5074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.252717][ T5074] CR2: 0000000000000000 CR3: 000000001e71a000 CR4: 00000000003506f0 [ 73.260782][ T5074] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.268809][ T5074] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.276805][ T5074] Call Trace: [ 73.280107][ T5074] [ 73.283071][ T5074] ? __warn+0x163/0x4b0 [ 73.287256][ T5074] ? signal_wake_up_state+0xec/0x120 [ 73.292560][ T5074] ? report_bug+0x2b3/0x500 [ 73.297081][ T5074] ? signal_wake_up_state+0xec/0x120 [ 73.302410][ T5074] ? handle_bug+0x3e/0x70 [ 73.306754][ T5074] ? exc_invalid_op+0x1a/0x50 [ 73.311446][ T5074] ? asm_exc_invalid_op+0x1a/0x20 [ 73.316574][ T5074] ? signal_wake_up_state+0x84/0x120 [ 73.321875][ T5074] ? signal_wake_up_state+0xeb/0x120 [ 73.327443][ T5074] ? signal_wake_up_state+0xec/0x120 [ 73.332746][ T5074] ? signal_wake_up_state+0xeb/0x120 [ 73.338305][ T5074] do_coredump+0x8ec/0x2b50 [ 73.343101][ T5074] ? do_raw_spin_lock+0x14f/0x370 [ 73.348167][ T5074] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 73.353559][ T5074] ? __pfx_do_coredump+0x10/0x10 [ 73.363490][ T5074] ? _raw_spin_unlock_irq+0x23/0x50 [ 73.368705][ T5074] ? lockdep_hardirqs_on+0x99/0x150 [ 73.373915][ T5074] get_signal+0x146b/0x1850 [ 73.378468][ T5074] ? __pfx_get_signal+0x10/0x10 [ 73.383358][ T5074] ? __pfx_force_sig_fault+0x10/0x10 [ 73.388673][ T5074] arch_do_signal_or_restart+0x96/0x860 [ 73.394254][ T5074] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 73.400450][ T5074] ? irqentry_exit_to_user_mode+0x53/0x270 [ 73.406388][ T5074] irqentry_exit_to_user_mode+0x79/0x270 [ 73.412065][ T5074] exc_page_fault+0x585/0x890 [ 73.416811][ T5074] asm_exc_page_fault+0x26/0x30 [ 73.421682][ T5074] RIP: 0033:0x0 [ 73.425151][ T5074] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 73.432607][ T5074] RSP: 002b:00007ffd6b832b30 EFLAGS: 00010202 [ 73.438688][ T5074] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 73.446717][ T5074] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 73.454714][ T5074] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 73.462803][ T5074] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 73.470827][ T5074] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 73.478854][ T5074] [ 73.481905][ T5074] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 73.489194][ T5074] CPU: 1 PID: 5074 Comm: file1 Not tainted 6.8.0-syzkaller-08073-g480e035fc4c7 #0 [ 73.498514][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 73.509299][ T5074] Call Trace: [ 73.512614][ T5074] [ 73.515589][ T5074] dump_stack_lvl+0x241/0x360 [ 73.520320][ T5074] ? __pfx_dump_stack_lvl+0x10/0x10 [ 73.525552][ T5074] ? __pfx__printk+0x10/0x10 [ 73.530162][ T5074] ? _printk+0xd5/0x120 [ 73.534788][ T5074] ? vscnprintf+0x5d/0x90 [ 73.539249][ T5074] panic+0x349/0x860 [ 73.543173][ T5074] ? __warn+0x172/0x4b0 [ 73.547353][ T5074] ? __pfx_panic+0x10/0x10 [ 73.551784][ T5074] ? show_trace_log_lvl+0x4e6/0x520 [ 73.557108][ T5074] __warn+0x31e/0x4b0 [ 73.561103][ T5074] ? signal_wake_up_state+0xec/0x120 [ 73.566406][ T5074] report_bug+0x2b3/0x500 [ 73.570806][ T5074] ? signal_wake_up_state+0xec/0x120 [ 73.576131][ T5074] handle_bug+0x3e/0x70 [ 73.580320][ T5074] exc_invalid_op+0x1a/0x50 [ 73.584856][ T5074] asm_exc_invalid_op+0x1a/0x20 [ 73.589730][ T5074] RIP: 0010:signal_wake_up_state+0xec/0x120 [ 73.596199][ T5074] Code: 10 e8 68 75 39 00 5b 41 5e 41 5f 5d c3 cc cc cc cc e8 58 75 39 00 48 89 df 5b 41 5e 41 5f 5d e9 ea 01 0a 00 e8 45 75 39 00 90 <0f> 0b 90 eb a3 48 c7 c1 1c 60 87 8f 80 e1 07 80 c1 03 38 c1 0f 8c [ 73.615916][ T5074] RSP: 0018:ffffc900039c7918 EFLAGS: 00010093 [ 73.622263][ T5074] RAX: ffffffff815b800b RBX: ffff888028c50000 RCX: ffff888022170000 [ 73.630264][ T5074] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 73.638259][ T5074] RBP: 0000000000000000 R08: ffffffff815b7fa4 R09: fffff52000738f04 [ 73.646243][ T5074] R10: dffffc0000000000 R11: fffff52000738f04 R12: ffff888028c50000 [ 73.654224][ T5074] R13: ffff888022170908 R14: 0000000000000108 R15: dffffc0000000000 [ 73.662213][ T5074] ? signal_wake_up_state+0x84/0x120 [ 73.667516][ T5074] ? signal_wake_up_state+0xeb/0x120 [ 73.672829][ T5074] ? signal_wake_up_state+0xeb/0x120 [ 73.678132][ T5074] do_coredump+0x8ec/0x2b50 [ 73.682719][ T5074] ? do_raw_spin_lock+0x14f/0x370 [ 73.687790][ T5074] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 73.693198][ T5074] ? __pfx_do_coredump+0x10/0x10 [ 73.698446][ T5074] ? _raw_spin_unlock_irq+0x23/0x50 [ 73.703659][ T5074] ? lockdep_hardirqs_on+0x99/0x150 [ 73.709164][ T5074] get_signal+0x146b/0x1850 [ 73.713753][ T5074] ? __pfx_get_signal+0x10/0x10 [ 73.718727][ T5074] ? __pfx_force_sig_fault+0x10/0x10 [ 73.724052][ T5074] arch_do_signal_or_restart+0x96/0x860 [ 73.729750][ T5074] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 73.735949][ T5074] ? irqentry_exit_to_user_mode+0x53/0x270 [ 73.741784][ T5074] irqentry_exit_to_user_mode+0x79/0x270 [ 73.747433][ T5074] exc_page_fault+0x585/0x890 [ 73.752126][ T5074] asm_exc_page_fault+0x26/0x30 [ 73.756983][ T5074] RIP: 0033:0x0 [ 73.760447][ T5074] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 73.767823][ T5074] RSP: 002b:00007ffd6b832b30 EFLAGS: 00010202 [ 73.773903][ T5074] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 73.781895][ T5074] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 73.789875][ T5074] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 73.797893][ T5074] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 73.806044][ T5074] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 73.814580][ T5074] [ 73.817925][ T5074] Kernel Offset: disabled [ 73.822502][ T5074] Rebooting in 86400 seconds..