./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4200966907 <...> Warning: Permanently added '10.128.0.223' (ED25519) to the list of known hosts. execve("./syz-executor4200966907", ["./syz-executor4200966907"], 0x7ffdf1e97720 /* 10 vars */) = 0 brk(NULL) = 0x55556ece2000 brk(0x55556ece2d00) = 0x55556ece2d00 arch_prctl(ARCH_SET_FS, 0x55556ece2380) = 0 set_tid_address(0x55556ece2650) = 5062 set_robust_list(0x55556ece2660, 24) = 0 rseq(0x55556ece2ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4200966907", 4096) = 28 getrandom("\x60\x6c\x48\xf3\xe9\x76\x39\x80", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556ece2d00 brk(0x55556ed03d00) = 0x55556ed03d00 brk(0x55556ed04000) = 0x55556ed04000 mprotect(0x7f1ff9919000, 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 5063 attached , child_tidptr=0x55556ece2650) = 5063 [pid 5063] set_robust_list(0x55556ece2660, 24) = 0 [pid 5063] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5063] setsid() = 1 [pid 5063] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5063] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5063] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5063] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5063] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5063] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5063] unshare(CLONE_NEWNS) = 0 [pid 5063] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5063] unshare(CLONE_NEWIPC) = 0 [pid 5063] unshare(CLONE_NEWCGROUP) = 0 [pid 5063] unshare(CLONE_NEWUTS) = 0 [pid 5063] unshare(CLONE_SYSVSEM) = 0 [pid 5063] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "16777216", 8) = 8 [pid 5063] close(3) = 0 [pid 5063] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "536870912", 9) = 9 [pid 5063] close(3) = 0 [pid 5063] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "1024", 4) = 4 [pid 5063] close(3) = 0 [pid 5063] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "8192", 4) = 4 [pid 5063] close(3) = 0 [pid 5063] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "1024", 4) = 4 [pid 5063] close(3) = 0 [pid 5063] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "1024", 4) = 4 [pid 5063] close(3) = 0 [pid 5063] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5063] close(3) = 0 [pid 5063] getpid() = 1 [pid 5063] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c [ 76.181378][ C0] RSP: 0018:ffffc90000007f30 EFLAGS: 00010046 [ 76.187632][ C0] RAX: 523087a126cc6d00 RBX: ffff88807be77148 RCX: ffffffff8de94680 [ 76.195612][ C0] RDX: 0000000080010002 RSI: 0000000000000000 RDI: 0000000000000000 [ 76.203589][ C0] RBP: 0000000000000000 R08: ffffffff8157cb22 R09: 1ffff110172851a2 [ 76.211565][ C0] R10: dffffc0000000000 R11: ffffed10172851a3 R12: ffff8880b9439030 [ 76.219544][ C0] R13: 0000000000000000 R14: 1ffff11017287206 R15: ffff8880b9439030 [ 76.227521][ C0] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 76.236457][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.243042][ C0] CR2: 0000560ac9f1ebd0 CR3: 000000007c7fa000 CR4: 00000000003506f0 [ 76.251020][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.258997][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.266976][ C0] Call Trace: [ 76.270265][ C0] [ 76.273120][ C0] ? __warn+0x163/0x4b0 [ 76.277289][ C0] ? invalidate_bh_lru+0x102/0x1b0 [ 76.282420][ C0] ? report_bug+0x2b3/0x500 [ 76.286945][ C0] ? invalidate_bh_lru+0x102/0x1b0 [ 76.292080][ C0] ? handle_bug+0x3e/0x70 [ 76.296418][ C0] ? exc_invalid_op+0x1a/0x50 [ 76.301179][ C0] ? asm_exc_invalid_op+0x1a/0x20 [ 76.306223][ C0] ? __warn_printk+0x292/0x360 [ 76.311004][ C0] ? invalidate_bh_lru+0x102/0x1b0 [ 76.316130][ C0] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 76.321612][ C0] __flush_smp_call_function_queue+0x3ec/0x15b0 [ 76.327862][ C0] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 76.333341][ C0] __sysvec_call_function_single+0xa8/0x3e0 [ 76.339247][ C0] sysvec_call_function_single+0x9e/0xc0 [ 76.344912][ C0] [ 76.347867][ C0] [ 76.350808][ C0] asm_sysvec_call_function_single+0x1a/0x20 [ 76.356802][ C0] RIP: 0010:acpi_safe_halt+0x21/0x30 [ 76.362096][ C0] Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 40 d0 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 95 ec 9b 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 [ 76.381712][ C0] RSP: 0018:ffffffff8de07ca8 EFLAGS: 00000246 [ 76.387787][ C0] RAX: ffffffff8de94680 RBX: ffff88801b2eb064 RCX: 0000000000017b41 [ 76.395763][ C0] RDX: 0000000000000001 RSI: ffff88801b2eb000 RDI: ffff88801b2eb064 [ 76.403738][ C0] RBP: 000000000003a0f8 R08: ffff8880b9437d0b R09: 1ffff11017286fa1 [ 76.411800][ C0] R10: dffffc0000000000 R11: ffffffff8b6bc600 R12: ffff88801aede000 [ 76.419777][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8e8948a0 [ 76.427758][ C0] ? __pfx_acpi_idle_enter+0x10/0x10 [ 76.433062][ C0] acpi_idle_enter+0xe4/0x140 [ 76.437749][ C0] cpuidle_enter_state+0x118/0x490 [ 76.442866][ C0] ? __pfx_menu_select+0x10/0x10 [ 76.447823][ C0] cpuidle_enter+0x5d/0xa0 [ 76.452249][ C0] do_idle+0x375/0x5d0 [ 76.456328][ C0] ? __pfx___schedule+0x10/0x10 [ 76.461201][ C0] ? __pfx_do_idle+0x10/0x10 [ 76.465804][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 76.471797][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 76.478137][ C0] ? rest_init+0x35/0x300 [ 76.482474][ C0] ? rest_init+0x35/0x300 [ 76.486811][ C0] cpu_startup_entry+0x42/0x60 [ 76.491582][ C0] rest_init+0x2e0/0x300 [ 76.495831][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 76.501387][ C0] arch_call_rest_init+0xe/0x10 [ 76.506250][ C0] start_kernel+0x47a/0x500 [ 76.510767][ C0] x86_64_start_reservations+0x2a/0x30 [ 76.516233][ C0] x86_64_start_kernel+0x99/0xa0 [ 76.521178][ C0] common_startup_64+0x13e/0x147 [ 76.526137][ C0] [ 76.529162][ C0] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 76.536447][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 76.545731][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 76.555787][ C0] Call Trace: [ 76.559071][ C0] [ 76.561919][ C0] dump_stack_lvl+0x241/0x360 [ 76.566615][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.571905][ C0] ? __pfx__printk+0x10/0x10 [ 76.576515][ C0] ? _printk+0xd5/0x120 [ 76.580714][ C0] ? vscnprintf+0x5d/0x90 [ 76.585055][ C0] panic+0x349/0x860 [ 76.588970][ C0] ? __warn+0x172/0x4b0 [ 76.593147][ C0] ? __pfx_panic+0x10/0x10 [ 76.597574][ C0] ? show_trace_log_lvl+0x4e6/0x520 [ 76.602808][ C0] ? common_startup_64+0x13e/0x147 [ 76.607935][ C0] __warn+0x31e/0x4b0 [ 76.611932][ C0] ? invalidate_bh_lru+0x102/0x1b0 [ 76.617061][ C0] report_bug+0x2b3/0x500 [ 76.621405][ C0] ? invalidate_bh_lru+0x102/0x1b0 [ 76.626538][ C0] handle_bug+0x3e/0x70 [ 76.630701][ C0] exc_invalid_op+0x1a/0x50 [ 76.635241][ C0] asm_exc_invalid_op+0x1a/0x20 [ 76.640105][ C0] RIP: 0010:invalidate_bh_lru+0x102/0x1b0 [ 76.645841][ C0] Code: 64 41 dd ff f0 ff 0b eb 25 e8 ba 3d 7d ff 41 80 3c 2e 00 75 2a eb 30 e8 ac 3d 7d ff 90 48 c7 c7 20 d0 b8 8b e8 df 11 40 ff 90 <0f> 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c [ 76.665456][ C0] RSP: 0018:ffffc90000007f30 EFLAGS: 00010046 [ 76.671547][ C0] RAX: 523087a126cc6d00 RBX: ffff88807be77148 RCX: ffffffff8de94680 [ 76.679571][ C0] RDX: 0000000080010002 RSI: 0000000000000000 RDI: 0000000000000000 [ 76.687577][ C0] RBP: 0000000000000000 R08: ffffffff8157cb22 R09: 1ffff110172851a2 [ 76.695570][ C0] R10: dffffc0000000000 R11: ffffed10172851a3 R12: ffff8880b9439030 [ 76.703551][ C0] R13: 0000000000000000 R14: 1ffff11017287206 R15: ffff8880b9439030 [ 76.711541][ C0] ? __warn_printk+0x292/0x360 [ 76.716331][ C0] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 76.721809][ C0] __flush_smp_call_function_queue+0x3ec/0x15b0 [ 76.728064][ C0] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 76.733542][ C0] __sysvec_call_function_single+0xa8/0x3e0 [ 76.739445][ C0] sysvec_call_function_single+0x9e/0xc0 [ 76.745094][ C0] [ 76.748029][ C0] [ 76.750966][ C0] asm_sysvec_call_function_single+0x1a/0x20 [ 76.756958][ C0] RIP: 0010:acpi_safe_halt+0x21/0x30 [ 76.762256][ C0] Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 40 d0 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 95 ec 9b 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 [ 76.781868][ C0] RSP: 0018:ffffffff8de07ca8 EFLAGS: 00000246 [ 76.787946][ C0] RAX: ffffffff8de94680 RBX: ffff88801b2eb064 RCX: 0000000000017b41 [ 76.795925][ C0] RDX: 0000000000000001 RSI: ffff88801b2eb000 RDI: ffff88801b2eb064 [ 76.803899][ C0] RBP: 000000000003a0f8 R08: ffff8880b9437d0b R09: 1ffff11017286fa1 [ 76.811878][ C0] R10: dffffc0000000000 R11: ffffffff8b6bc600 R12: ffff88801aede000 [ 76.819858][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8e8948a0 [ 76.827840][ C0] ? __pfx_acpi_idle_enter+0x10/0x10 [ 76.833269][ C0] acpi_idle_enter+0xe4/0x140 [ 76.837958][ C0] cpuidle_enter_state+0x118/0x490 [ 76.843106][ C0] ? __pfx_menu_select+0x10/0x10 [ 76.848058][ C0] cpuidle_enter+0x5d/0xa0 [ 76.852488][ C0] do_idle+0x375/0x5d0 [ 76.856563][ C0] ? __pfx___schedule+0x10/0x10 [ 76.861435][ C0] ? __pfx_do_idle+0x10/0x10 [ 76.866037][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 76.871966][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 76.878348][ C0] ? rest_init+0x35/0x300 [ 76.882707][ C0] ? rest_init+0x35/0x300 [ 76.887052][ C0] cpu_startup_entry+0x42/0x60 [ 76.891829][ C0] rest_init+0x2e0/0x300 [ 76.896087][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 76.901640][ C0] arch_call_rest_init+0xe/0x10 [ 76.906503][ C0] start_kernel+0x47a/0x500 [ 76.911019][ C0] x86_64_start_reservations+0x2a/0x30 [ 76.916485][ C0] x86_64_start_kernel+0x99/0xa0 [ 76.921430][ C0] common_startup_64+0x13e/0x147 [ 76.926390][ C0] [ 76.929756][ C0] Kernel Offset: disabled [ 76.934109][ C0] Rebooting in 86400 seconds..