./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1203506266 <...> Warning: Permanently added '10.128.0.108' (ED25519) to the list of known hosts. execve("./syz-executor1203506266", ["./syz-executor1203506266"], 0x7ffc629eaa50 /* 10 vars */) = 0 brk(NULL) = 0x555564c28000 brk(0x555564c28d00) = 0x555564c28d00 arch_prctl(ARCH_SET_FS, 0x555564c28380) = 0 set_tid_address(0x555564c28650) = 5091 set_robust_list(0x555564c28660, 24) = 0 rseq(0x555564c28ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1203506266", 4096) = 28 getrandom("\x74\xdd\x61\xa6\xbd\x8e\x9d\x16", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555564c28d00 brk(0x555564c49d00) = 0x555564c49d00 brk(0x555564c4a000) = 0x555564c4a000 mprotect(0x7f1320649000, 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 5092 attached , child_tidptr=0x555564c28650) = 5092 [pid 5092] set_robust_list(0x555564c28660, 24) = 0 [pid 5092] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5092] setsid() = 1 [pid 5092] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5092] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5092] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5092] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5092] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5092] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5092] unshare(CLONE_NEWNS) = 0 [pid 5092] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5092] unshare(CLONE_NEWIPC) = 0 [pid 5092] unshare(CLONE_NEWCGROUP) = 0 [pid 5092] unshare(CLONE_NEWUTS) = 0 [pid 5092] unshare(CLONE_SYSVSEM) = 0 [pid 5092] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "16777216", 8) = 8 [pid 5092] close(3) = 0 [pid 5092] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "536870912", 9) = 9 [pid 5092] close(3) = 0 [pid 5092] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "1024", 4) = 4 [pid 5092] close(3) = 0 [pid 5092] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "8192", 4) = 4 [pid 5092] close(3) = 0 [pid 5092] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "1024", 4) = 4 [pid 5092] close(3) = 0 [pid 5092] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "1024", 4) = 4 [pid 5092] close(3) = 0 [pid 5092] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5092] close(3) = 0 [pid 5092] getpid() = 1 [pid 5092] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 e9 59 fe ff ff e8 57 84 98 f7 90 0f 0b 90 e9 e6 fe ff ff [ 71.383711][ T5102] RSP: 0018:ffffc90003657c40 EFLAGS: 00010293 [ 71.389890][ T5102] RAX: ffffffff89fdad6b RBX: 0000000000000000 RCX: ffff88802bda3c00 [ 71.398007][ T5102] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 71.406221][ T5102] RBP: 0000000000000005 R08: ffffffff89fdabbc R09: 1ffffffff25f38c7 [ 71.414480][ T5102] R10: dffffc0000000000 R11: fffffbfff25f38c8 R12: ffff888071ef6000 [ 71.422566][ T5102] R13: 1ffff920006caf94 R14: ffff888071ef7200 R15: ffff88802b582700 [ 71.430581][ T5102] FS: 0000555564c28380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 71.439592][ T5102] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.446246][ T5102] CR2: 0000000020000044 CR3: 00000000279f0000 CR4: 00000000003506f0 [ 71.454290][ T5102] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.462333][ T5102] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.470332][ T5102] Call Trace: [ 71.473784][ T5102] [ 71.476832][ T5102] ? __warn+0x163/0x4e0 [ 71.481073][ T5102] ? __inet_accept+0x22c/0x2e0 [ 71.485878][ T5102] ? report_bug+0x2b3/0x500 [ 71.490401][ T5102] ? __inet_accept+0x22c/0x2e0 [ 71.495260][ T5102] ? handle_bug+0x3e/0x70 [ 71.499627][ T5102] ? exc_invalid_op+0x1a/0x50 [ 71.504411][ T5102] ? asm_exc_invalid_op+0x1a/0x20 [ 71.509677][ T5102] ? __inet_accept+0x7c/0x2e0 [ 71.514560][ T5102] ? __inet_accept+0x22b/0x2e0 [ 71.519382][ T5102] ? __inet_accept+0x22c/0x2e0 [ 71.524250][ T5102] inet_accept+0x138/0x1d0 [ 71.528805][ T5102] ? __pfx_inet_accept+0x10/0x10 [ 71.533806][ T5102] ? bpf_lsm_socket_accept+0x9/0x10 [ 71.539028][ T5102] do_accept+0x49d/0x670 [ 71.543543][ T5102] ? __pfx_do_accept+0x10/0x10 [ 71.548350][ T5102] ? alloc_fd+0x59d/0x640 [ 71.553029][ T5102] __sys_accept4+0x9b/0x110 [ 71.557557][ T5102] __x64_sys_accept+0x7d/0x90 [ 71.562671][ T5102] do_syscall_64+0xf5/0x240 [ 71.567557][ T5102] ? clear_bhb_loop+0x35/0x90 [ 71.572353][ T5102] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 71.578448][ T5102] RIP: 0033:0x7f13205d0ae9 [ 71.583143][ T5102] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 71.602824][ T5102] RSP: 002b:00007ffda0aaa338 EFLAGS: 00000246 ORIG_RAX: 000000000000002b [ 71.611321][ T5102] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f13205d0ae9 [ 71.619321][ T5102] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 71.627417][ T5102] RBP: 00000000000f4240 R08: 0000000100000000 R09: 0000000100000000 [ 71.635466][ T5102] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffda0aaa390 [ 71.643534][ T5102] R13: 0000000000000001 R14: 00007ffda0aaa390 R15: 0000000000000003 [ 71.651884][ T5102] [ 71.655009][ T5102] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 71.662286][ T5102] CPU: 1 PID: 5102 Comm: syz-executor120 Not tainted 6.9.0-syzkaller-08544-g4b377b4868ef #0 [ 71.672434][ T5102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 71.682852][ T5102] Call Trace: [ 71.686670][ T5102] [ 71.689884][ T5102] dump_stack_lvl+0x241/0x360 [ 71.695496][ T5102] ? __pfx_dump_stack_lvl+0x10/0x10 [ 71.700709][ T5102] ? __pfx__printk+0x10/0x10 [ 71.705299][ T5102] ? vscnprintf+0x5d/0x90 [ 71.709794][ T5102] panic+0x349/0x860 [ 71.713788][ T5102] ? __warn+0x172/0x4e0 [ 71.718158][ T5102] ? __pfx_panic+0x10/0x10 [ 71.722732][ T5102] __warn+0x346/0x4e0 [ 71.726711][ T5102] ? __inet_accept+0x22c/0x2e0 [ 71.731471][ T5102] report_bug+0x2b3/0x500 [ 71.735809][ T5102] ? __inet_accept+0x22c/0x2e0 [ 71.740562][ T5102] handle_bug+0x3e/0x70 [ 71.744850][ T5102] exc_invalid_op+0x1a/0x50 [ 71.749350][ T5102] asm_exc_invalid_op+0x1a/0x20 [ 71.754197][ T5102] RIP: 0010:__inet_accept+0x22c/0x2e0 [ 71.759591][ T5102] Code: 04 20 84 c0 0f 85 8a 00 00 00 41 c7 06 03 00 00 00 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 65 84 98 f7 90 <0f> 0b 90 e9 59 fe ff ff e8 57 84 98 f7 90 0f 0b 90 e9 e6 fe ff ff [ 71.781032][ T5102] RSP: 0018:ffffc90003657c40 EFLAGS: 00010293 [ 71.787106][ T5102] RAX: ffffffff89fdad6b RBX: 0000000000000000 RCX: ffff88802bda3c00 [ 71.795739][ T5102] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 71.807112][ T5102] RBP: 0000000000000005 R08: ffffffff89fdabbc R09: 1ffffffff25f38c7 [ 71.815344][ T5102] R10: dffffc0000000000 R11: fffffbfff25f38c8 R12: ffff888071ef6000 [ 71.823489][ T5102] R13: 1ffff920006caf94 R14: ffff888071ef7200 R15: ffff88802b582700 [ 71.831559][ T5102] ? __inet_accept+0x7c/0x2e0 [ 71.836238][ T5102] ? __inet_accept+0x22b/0x2e0 [ 71.841357][ T5102] inet_accept+0x138/0x1d0 [ 71.845769][ T5102] ? __pfx_inet_accept+0x10/0x10 [ 71.851063][ T5102] ? bpf_lsm_socket_accept+0x9/0x10 [ 71.856258][ T5102] do_accept+0x49d/0x670 [ 71.860767][ T5102] ? __pfx_do_accept+0x10/0x10 [ 71.865805][ T5102] ? alloc_fd+0x59d/0x640 [ 71.870139][ T5102] __sys_accept4+0x9b/0x110 [ 71.874647][ T5102] __x64_sys_accept+0x7d/0x90 [ 71.879508][ T5102] do_syscall_64+0xf5/0x240 [ 71.884545][ T5102] ? clear_bhb_loop+0x35/0x90 [ 71.889241][ T5102] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 71.895433][ T5102] RIP: 0033:0x7f13205d0ae9 [ 71.900376][ T5102] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 71.924586][ T5102] RSP: 002b:00007ffda0aaa338 EFLAGS: 00000246 ORIG_RAX: 000000000000002b [ 71.933266][ T5102] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f13205d0ae9 [ 71.941628][ T5102] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 71.949694][ T5102] RBP: 00000000000f4240 R08: 0000000100000000 R09: 0000000100000000 [ 71.957934][ T5102] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffda0aaa390 [ 71.965995][ T5102] R13: 0000000000000001 R14: 00007ffda0aaa390 R15: 0000000000000003 [ 71.975936][ T5102] [ 71.979443][ T5102] Kernel Offset: disabled [ 71.983825][ T5102] Rebooting in 86400 seconds..