./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1239482765 <...> Warning: Permanently added '10.128.0.41' (ED25519) to the list of known hosts. execve("./syz-executor1239482765", ["./syz-executor1239482765"], 0x7ffc76733cf0 /* 10 vars */) = 0 brk(NULL) = 0x555556946000 brk(0x555556946d00) = 0x555556946d00 arch_prctl(ARCH_SET_FS, 0x555556946380) = 0 set_tid_address(0x555556946650) = 5041 set_robust_list(0x555556946660, 24) = 0 rseq(0x555556946ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1239482765", 4096) = 28 getrandom("\x8f\x48\xd7\x8b\x7e\xae\xc0\x29", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556946d00 brk(0x555556967d00) = 0x555556967d00 brk(0x555556968000) = 0x555556968000 mprotect(0x7fcf21d89000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556946650) = 5042 ./strace-static-x86_64: Process 5042 attached [pid 5042] set_robust_list(0x555556946660, 24) = 0 [pid 5042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5042] setpgid(0, 0) = 0 [pid 5042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5042] write(3, "1000", 4) = 4 [pid 5042] close(3) = 0 [pid 5042] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 3 [pid 5042] bind(3, {sa_family=AF_INET, sin_port=htons(20002), sin_addr=inet_addr("255.255.255.255")}, 16) = 0 [pid 5042] setsockopt(3, SOL_SOCKET, SO_REUSEPORT, [7], 4) = 0 [pid 5042] socket(AF_INET6, SOCK_STREAM, IPPROTO_IP) = 4 [pid 5042] setsockopt(4, SOL_SOCKET, SO_REUSEPORT, [2], 4) = 0 [pid 5042] bind(4, {sa_family=AF_INET6, sin6_port=htons(20002), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::ffff:255.255.255.255", &sin6_addr), sin6_scope_id=0}, 28) = 0 [ 96.317359][ T5042] ------------[ cut here ]------------ [ 96.323090][ T5042] WARNING: CPU: 0 PID: 5042 at net/ipv4/inet_connection_sock.c:587 inet_csk_get_port+0xf96/0x2350 [ 96.333809][ T5042] Modules linked in: [ 96.337755][ T5042] CPU: 0 PID: 5042 Comm: syz-executor123 Not tainted 6.6.0-rc6-syzkaller-00043-gdd72f9c7e512 #0 [ 96.348271][ T5042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 96.358397][ T5042] RIP: 0010:inet_csk_get_port+0xf96/0x2350 [ 96.364244][ T5042] Code: 7c 24 08 e8 1c 6a 8b 01 31 d2 be 88 01 00 00 48 c7 c7 e0 4b ae 8b e8 39 a3 a3 f8 2e 2e 2e 31 c0 e9 04 fe ff ff e8 ea 01 d1 f8 <0f> 0b e9 0f f9 ff ff e8 de 01 d1 f8 49 8d 7e 48 e8 35 ce 5a 00 31 [ 96.383973][ T5042] RSP: 0018:ffffc900039bfbf0 EFLAGS: 00010293 [ 96.390112][ T5042] RAX: 0000000000000000 RBX: ffff88802603b080 RCX: 0000000000000000 [ 96.398210][ T5042] RDX: ffff88801e400000 RSI: ffffffff88b6c856 RDI: ffff88807e8312f8 [ 96.406261][ T5042] RBP: ffff88807e8312f0 R08: 0000000000000005 R09: 0000000000000000 [ 96.414250][ T5042] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff925e7900 [ 96.422313][ T5042] R13: ffff88807e830c40 R14: 0000000000000000 R15: ffff88802603b080 [ 96.430370][ T5042] FS: 0000555556946380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 96.439400][ T5042] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.446071][ T5042] CR2: 000000000045ad50 CR3: 000000007409d000 CR4: 00000000003506f0 [ 96.454074][ T5042] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 96.462096][ T5042] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 96.470131][ T5042] Call Trace: [ 96.473447][ T5042] [ 96.476460][ T5042] ? show_regs+0x8f/0xa0 [ 96.480798][ T5042] ? __warn+0xe6/0x380 [ 96.484924][ T5042] ? inet_csk_get_port+0xf96/0x2350 [ 96.490214][ T5042] ? report_bug+0x3bc/0x580 [ 96.494802][ T5042] ? handle_bug+0x3c/0x70 [ 96.499191][ T5042] ? exc_invalid_op+0x17/0x40 [ 96.503906][ T5042] ? asm_exc_invalid_op+0x1a/0x20 [ 96.509016][ T5042] ? inet_csk_get_port+0xf96/0x2350 [ 96.514254][ T5042] ? inet_csk_get_port+0xf96/0x2350 [ 96.519540][ T5042] ? mark_lock+0x105/0x1950 [ 96.524096][ T5042] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 96.530174][ T5042] ? inet_csk_update_fastreuse+0xb00/0xb00 [ 96.536034][ T5042] ? print_usage_bug.part.0+0x670/0x670 [ 96.541608][ T5042] ? lockdep_init_map_type+0x16d/0x7c0 [ 96.547142][ T5042] ? rcu_is_watching+0x12/0xb0 [ 96.551942][ T5042] ? trace_inet_sock_set_state+0x188/0x1d0 [ 96.557823][ T5042] ? inet_csk_update_fastreuse+0xb00/0xb00 [ 96.563681][ T5042] inet_csk_listen_start+0x155/0x360 [ 96.569048][ T5042] __inet_listen_sk+0x1b8/0x5c0 [ 96.573957][ T5042] ? inet_recvmsg+0x630/0x630 [ 96.578725][ T5042] ? reacquire_held_locks+0x4b0/0x4b0 [ 96.584161][ T5042] ? mark_held_locks+0x9f/0xe0 [ 96.589039][ T5042] ? __local_bh_enable_ip+0xa4/0x120 [ 96.594388][ T5042] inet_listen+0x93/0xd0 [ 96.598740][ T5042] __sys_listen+0x194/0x270 [ 96.603297][ T5042] ? __ia32_sys_bind+0xb0/0xb0 [ 96.608153][ T5042] ? _raw_spin_unlock_irq+0x2e/0x50 [ 96.613423][ T5042] ? ptrace_notify+0xf4/0x130 [ 96.618177][ T5042] __x64_sys_listen+0x53/0x80 [ 96.622910][ T5042] do_syscall_64+0x38/0xb0 [ 96.627391][ T5042] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 96.633328][ T5042] RIP: 0033:0x7fcf21d16af9 [ 96.637796][ T5042] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 [ 96.657483][ T5042] RSP: 002b:00007ffd79f0d7d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000032 [ 96.666002][ T5042] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcf21d16af9 [ 96.674049][ T5042] RDX: 00007fcf21d16af9 RSI: 0000000000000000 RDI: 0000000000000003 [ 96.682095][ T5042] RBP: 00007fcf21d895f0 R08: 0000000000000006 R09: 0000000000000006 [ 96.690130][ T5042] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000001 [ 96.698167][ T5042] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 96.706225][ T5042] [ 96.709275][ T5042] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 96.716562][ T5042] CPU: 0 PID: 5042 Comm: syz-executor123 Not tainted 6.6.0-rc6-syzkaller-00043-gdd72f9c7e512 #0 [ 96.726986][ T5042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 96.737066][ T5042] Call Trace: [ 96.740371][ T5042] [ 96.743328][ T5042] dump_stack_lvl+0xd9/0x1b0 [ 96.747971][ T5042] panic+0x6a6/0x750 [ 96.751897][ T5042] ? panic_smp_self_stop+0xa0/0xa0 [ 96.757072][ T5042] ? inet_csk_get_port+0xf96/0x2350 [ 96.762292][ T5042] check_panic_on_warn+0xab/0xb0 [ 96.767254][ T5042] __warn+0xf2/0x380 [ 96.771167][ T5042] ? inet_csk_get_port+0xf96/0x2350 [ 96.776378][ T5042] report_bug+0x3bc/0x580 [ 96.780758][ T5042] handle_bug+0x3c/0x70 [ 96.784941][ T5042] exc_invalid_op+0x17/0x40 [ 96.789454][ T5042] asm_exc_invalid_op+0x1a/0x20 [ 96.794338][ T5042] RIP: 0010:inet_csk_get_port+0xf96/0x2350 [ 96.800160][ T5042] Code: 7c 24 08 e8 1c 6a 8b 01 31 d2 be 88 01 00 00 48 c7 c7 e0 4b ae 8b e8 39 a3 a3 f8 2e 2e 2e 31 c0 e9 04 fe ff ff e8 ea 01 d1 f8 <0f> 0b e9 0f f9 ff ff e8 de 01 d1 f8 49 8d 7e 48 e8 35 ce 5a 00 31 [ 96.819777][ T5042] RSP: 0018:ffffc900039bfbf0 EFLAGS: 00010293 [ 96.825859][ T5042] RAX: 0000000000000000 RBX: ffff88802603b080 RCX: 0000000000000000 [ 96.833852][ T5042] RDX: ffff88801e400000 RSI: ffffffff88b6c856 RDI: ffff88807e8312f8 [ 96.841856][ T5042] RBP: ffff88807e8312f0 R08: 0000000000000005 R09: 0000000000000000 [ 96.849846][ T5042] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff925e7900 [ 96.857841][ T5042] R13: ffff88807e830c40 R14: 0000000000000000 R15: ffff88802603b080 [ 96.865854][ T5042] ? inet_csk_get_port+0xf96/0x2350 [ 96.871115][ T5042] ? mark_lock+0x105/0x1950 [ 96.875677][ T5042] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 96.881731][ T5042] ? inet_csk_update_fastreuse+0xb00/0xb00 [ 96.887572][ T5042] ? print_usage_bug.part.0+0x670/0x670 [ 96.893169][ T5042] ? lockdep_init_map_type+0x16d/0x7c0 [ 96.898678][ T5042] ? rcu_is_watching+0x12/0xb0 [ 96.903454][ T5042] ? trace_inet_sock_set_state+0x188/0x1d0 [ 96.909289][ T5042] ? inet_csk_update_fastreuse+0xb00/0xb00 [ 96.915133][ T5042] inet_csk_listen_start+0x155/0x360 [ 96.920438][ T5042] __inet_listen_sk+0x1b8/0x5c0 [ 96.925318][ T5042] ? inet_recvmsg+0x630/0x630 [ 96.930044][ T5042] ? reacquire_held_locks+0x4b0/0x4b0 [ 96.935467][ T5042] ? mark_held_locks+0x9f/0xe0 [ 96.940264][ T5042] ? __local_bh_enable_ip+0xa4/0x120 [ 96.945582][ T5042] inet_listen+0x93/0xd0 [ 96.949858][ T5042] __sys_listen+0x194/0x270 [ 96.954377][ T5042] ? __ia32_sys_bind+0xb0/0xb0 [ 96.959197][ T5042] ? _raw_spin_unlock_irq+0x2e/0x50 [ 96.964424][ T5042] ? ptrace_notify+0xf4/0x130 [ 96.969142][ T5042] __x64_sys_listen+0x53/0x80 [ 96.973878][ T5042] do_syscall_64+0x38/0xb0 [ 96.978306][ T5042] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 96.984239][ T5042] RIP: 0033:0x7fcf21d16af9 [ 96.988684][ T5042] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 [ 97.008824][ T5042] RSP: 002b:00007ffd79f0d7d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000032 [ 97.017260][ T5042] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcf21d16af9 [ 97.025267][ T5042] RDX: 00007fcf21d16af9 RSI: 0000000000000000 RDI: 0000000000000003 [ 97.033259][ T5042] RBP: 00007fcf21d895f0 R08: 0000000000000006 R09: 0000000000000006 [ 97.041258][ T5042] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000001 [ 97.049243][ T5042] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 97.057256][ T5042] [ 97.060588][ T5042] Kernel Offset: disabled [ 97.065015][ T5042] Rebooting in 86400 seconds..