./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4088607801 <...> Warning: Permanently added '10.128.1.47' (ED25519) to the list of known hosts. execve("./syz-executor4088607801", ["./syz-executor4088607801"], 0x7ffe758aa9b0 /* 10 vars */) = 0 brk(NULL) = 0x555556e1e000 brk(0x555556e1ed00) = 0x555556e1ed00 arch_prctl(ARCH_SET_FS, 0x555556e1e380) = 0 set_tid_address(0x555556e1e650) = 5071 set_robust_list(0x555556e1e660, 24) = 0 rseq(0x555556e1eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4088607801", 4096) = 28 getrandom("\x59\x6d\x70\x09\x5a\xd7\x06\x14", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556e1ed00 brk(0x555556e3fd00) = 0x555556e3fd00 brk(0x555556e40000) = 0x555556e40000 mprotect(0x7fe966dc0000, 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=0x555556e1e650) = 5072 ./strace-static-x86_64: Process 5072 attached [pid 5072] set_robust_list(0x555556e1e660, 24) = 0 [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5072] setpgid(0, 0) = 0 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "1000", 4) = 4 [pid 5072] close(3) = 0 [pid 5072] socket(AF_INET6, SOCK_STREAM, IPPROTO_IP) = 3 [pid 5072] close(3) = 0 [pid 5072] socket(AF_INET6, SOCK_STREAM, IPPROTO_MPTCP) = 3 [pid 5072] bind(3, {sa_family=AF_INET6, sin6_port=htons(20002), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5072] listen(3, 0) = 0 [pid 5072] socket(AF_NETLINK, SOCK_RAW, NETLINK_SOCK_DIAG) = 4 [pid 5072] writev(4, [{iov_base="\x58\x00\x00\x00\x15\x00\xad\xd4\x27\x32\x3b\x47\x0c\x45\xb4\x56\x02\x06\x7f\xff\xff\xff\x81\x00\x4e\x22\x00\x0d\x00\xff\x00\x28\x92\x5a\xa8\x00\x20\x00\xea\xa5\x7b\x00\x09\x00\x80\x00\x0e\xff\xfe\xff\xe8\x09\x00\x00\x00\xff\x00\x00\xf0\x3a\x02\x00\xf0\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xe7\xee\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=120}], 1) = 120 [pid 5072] exit_group(0) = ? [ 72.414402][ T5072] ------------[ cut here ]------------ [ 72.420154][ T5072] WARNING: CPU: 0 PID: 5072 at net/mptcp/protocol.c:2999 mptcp_check_listen_stop.part.0+0x17b/0x240 [ 72.431039][ T5072] Modules linked in: [ 72.435027][ T5072] CPU: 0 PID: 5072 Comm: syz-executor408 Not tainted 6.7.0-rc5-syzkaller-00230-g3b8a9b2e6809 #0 [ 72.445506][ T5072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 72.455638][ T5072] RIP: 0010:mptcp_check_listen_stop.part.0+0x17b/0x240 [ 72.462529][ T5072] Code: 00 00 00 0f b6 45 12 88 44 24 20 44 0f b6 6c 24 20 bf 0a 00 00 00 44 89 ee e8 d1 59 24 f7 41 80 fd 0a 74 2b e8 96 5e 24 f7 90 <0f> 0b 90 e8 8d 5e 24 f7 48 b8 00 00 00 00 00 fc ff df 49 c7 04 04 [ 72.482572][ T5072] RSP: 0018:ffffc9000401fb50 EFLAGS: 00010293 [ 72.488720][ T5072] RAX: 0000000000000000 RBX: ffff8880252a0000 RCX: ffffffff8a63102f [ 72.496787][ T5072] RDX: ffff888016b28000 RSI: ffffffff8a63103a RDI: 0000000000000001 [ 72.504852][ T5072] RBP: ffff888025290d00 R08: 0000000000000001 R09: 000000000000000a [ 72.512844][ T5072] R10: 0000000000000007 R11: 0000000000000002 R12: 1ffff92000803f6a [ 72.520926][ T5072] R13: 0000000000000007 R14: ffff8880252a0012 R15: 000000000000000a [ 72.528954][ T5072] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 72.538091][ T5072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.544730][ T5072] CR2: 00007fe966dc7110 CR3: 000000000cd77000 CR4: 00000000003506f0 [ 72.552704][ T5072] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.560765][ T5072] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.568780][ T5072] Call Trace: [ 72.572056][ T5072] [ 72.575046][ T5072] ? show_regs+0x8f/0xa0 [ 72.579309][ T5072] ? __warn+0xe6/0x390 [ 72.583376][ T5072] ? mptcp_check_listen_stop.part.0+0x17b/0x240 [ 72.589684][ T5072] ? report_bug+0x3bc/0x580 [ 72.594208][ T5072] ? handle_bug+0x3d/0x70 [ 72.598618][ T5072] ? exc_invalid_op+0x17/0x40 [ 72.603314][ T5072] ? asm_exc_invalid_op+0x1a/0x20 [ 72.608509][ T5072] ? mptcp_check_listen_stop.part.0+0x16f/0x240 [ 72.614857][ T5072] ? mptcp_check_listen_stop.part.0+0x17a/0x240 [ 72.621102][ T5072] ? mptcp_check_listen_stop.part.0+0x17b/0x240 [ 72.627422][ T5072] ? __bpf_trace_subflow_check_data_avail+0x110/0x110 [ 72.634227][ T5072] __mptcp_close+0x888/0xa10 [ 72.638924][ T5072] ? __sock_release+0x260/0x260 [ 72.643797][ T5072] ? __mptcp_unaccepted_force_close+0x120/0x120 [ 72.650085][ T5072] ? __local_bh_enable_ip+0xa4/0x120 [ 72.655463][ T5072] ? __sock_release+0x260/0x260 [ 72.660399][ T5072] mptcp_close+0x28/0xf0 [ 72.664701][ T5072] inet_release+0x132/0x270 [ 72.669228][ T5072] inet6_release+0x4f/0x70 [ 72.673671][ T5072] __sock_release+0xae/0x260 [ 72.678351][ T5072] sock_close+0x1c/0x20 [ 72.682608][ T5072] __fput+0x270/0xb70 [ 72.686641][ T5072] task_work_run+0x14d/0x240 [ 72.691244][ T5072] ? task_work_cancel+0x30/0x30 [ 72.696155][ T5072] ? do_raw_spin_unlock+0x173/0x230 [ 72.701373][ T5072] do_exit+0xa8a/0x2ad0 [ 72.705575][ T5072] ? do_group_exit+0x1c5/0x2a0 [ 72.710364][ T5072] ? reacquire_held_locks+0x4c0/0x4c0 [ 72.715893][ T5072] ? do_raw_spin_lock+0x12e/0x2b0 [ 72.720939][ T5072] ? mm_update_next_owner+0x840/0x840 [ 72.726399][ T5072] ? spin_bug+0x1d0/0x1d0 [ 72.730756][ T5072] do_group_exit+0xd4/0x2a0 [ 72.735353][ T5072] __x64_sys_exit_group+0x3e/0x50 [ 72.740399][ T5072] do_syscall_64+0x40/0x110 [ 72.744982][ T5072] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 72.750907][ T5072] RIP: 0033:0x7fe966d4bc09 [ 72.755401][ T5072] Code: Unable to access opcode bytes at 0x7fe966d4bbdf. [ 72.762441][ T5072] RSP: 002b:00007ffd9abaaef8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 72.770927][ T5072] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe966d4bc09 [ 72.779002][ T5072] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 72.787068][ T5072] RBP: 00007fe966dc62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 72.795287][ T5072] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe966dc62b0 [ 72.803254][ T5072] R13: 0000000000000000 R14: 00007fe966dc6d00 R15: 00007fe966d1ce70 [ 72.811287][ T5072] [ 72.814324][ T5072] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 72.821613][ T5072] CPU: 0 PID: 5072 Comm: syz-executor408 Not tainted 6.7.0-rc5-syzkaller-00230-g3b8a9b2e6809 #0 [ 72.832016][ T5072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 72.842082][ T5072] Call Trace: [ 72.845352][ T5072] [ 72.848289][ T5072] dump_stack_lvl+0xd9/0x1b0 [ 72.852918][ T5072] panic+0x6dc/0x790 [ 72.857028][ T5072] ? panic_smp_self_stop+0xa0/0xa0 [ 72.862228][ T5072] ? show_trace_log_lvl+0x363/0x4f0 [ 72.867449][ T5072] ? check_panic_on_warn+0x1f/0xb0 [ 72.872584][ T5072] ? mptcp_check_listen_stop.part.0+0x17b/0x240 [ 72.878847][ T5072] check_panic_on_warn+0xab/0xb0 [ 72.883801][ T5072] __warn+0xf2/0x390 [ 72.887707][ T5072] ? mptcp_check_listen_stop.part.0+0x17b/0x240 [ 72.893956][ T5072] report_bug+0x3bc/0x580 [ 72.898301][ T5072] handle_bug+0x3d/0x70 [ 72.902466][ T5072] exc_invalid_op+0x17/0x40 [ 72.906984][ T5072] asm_exc_invalid_op+0x1a/0x20 [ 72.911841][ T5072] RIP: 0010:mptcp_check_listen_stop.part.0+0x17b/0x240 [ 72.918700][ T5072] Code: 00 00 00 0f b6 45 12 88 44 24 20 44 0f b6 6c 24 20 bf 0a 00 00 00 44 89 ee e8 d1 59 24 f7 41 80 fd 0a 74 2b e8 96 5e 24 f7 90 <0f> 0b 90 e8 8d 5e 24 f7 48 b8 00 00 00 00 00 fc ff df 49 c7 04 04 [ 72.938315][ T5072] RSP: 0018:ffffc9000401fb50 EFLAGS: 00010293 [ 72.944393][ T5072] RAX: 0000000000000000 RBX: ffff8880252a0000 RCX: ffffffff8a63102f [ 72.952372][ T5072] RDX: ffff888016b28000 RSI: ffffffff8a63103a RDI: 0000000000000001 [ 72.960345][ T5072] RBP: ffff888025290d00 R08: 0000000000000001 R09: 000000000000000a [ 72.968349][ T5072] R10: 0000000000000007 R11: 0000000000000002 R12: 1ffff92000803f6a [ 72.976341][ T5072] R13: 0000000000000007 R14: ffff8880252a0012 R15: 000000000000000a [ 72.984345][ T5072] ? mptcp_check_listen_stop.part.0+0x16f/0x240 [ 72.990606][ T5072] ? mptcp_check_listen_stop.part.0+0x17a/0x240 [ 72.996863][ T5072] ? __bpf_trace_subflow_check_data_avail+0x110/0x110 [ 73.003639][ T5072] __mptcp_close+0x888/0xa10 [ 73.008242][ T5072] ? __sock_release+0x260/0x260 [ 73.013110][ T5072] ? __mptcp_unaccepted_force_close+0x120/0x120 [ 73.019368][ T5072] ? __local_bh_enable_ip+0xa4/0x120 [ 73.024669][ T5072] ? __sock_release+0x260/0x260 [ 73.029622][ T5072] mptcp_close+0x28/0xf0 [ 73.033902][ T5072] inet_release+0x132/0x270 [ 73.038437][ T5072] inet6_release+0x4f/0x70 [ 73.042876][ T5072] __sock_release+0xae/0x260 [ 73.047491][ T5072] sock_close+0x1c/0x20 [ 73.051657][ T5072] __fput+0x270/0xb70 [ 73.055659][ T5072] task_work_run+0x14d/0x240 [ 73.060435][ T5072] ? task_work_cancel+0x30/0x30 [ 73.065299][ T5072] ? do_raw_spin_unlock+0x173/0x230 [ 73.070517][ T5072] do_exit+0xa8a/0x2ad0 [ 73.074679][ T5072] ? do_group_exit+0x1c5/0x2a0 [ 73.079447][ T5072] ? reacquire_held_locks+0x4c0/0x4c0 [ 73.084834][ T5072] ? do_raw_spin_lock+0x12e/0x2b0 [ 73.089865][ T5072] ? mm_update_next_owner+0x840/0x840 [ 73.095243][ T5072] ? spin_bug+0x1d0/0x1d0 [ 73.099586][ T5072] do_group_exit+0xd4/0x2a0 [ 73.104095][ T5072] __x64_sys_exit_group+0x3e/0x50 [ 73.109126][ T5072] do_syscall_64+0x40/0x110 [ 73.113644][ T5072] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 73.119544][ T5072] RIP: 0033:0x7fe966d4bc09 [ 73.123961][ T5072] Code: Unable to access opcode bytes at 0x7fe966d4bbdf. [ 73.130977][ T5072] RSP: 002b:00007ffd9abaaef8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 73.139396][ T5072] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe966d4bc09 [ 73.147369][ T5072] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 73.155342][ T5072] RBP: 00007fe966dc62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 73.163314][ T5072] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe966dc62b0 [ 73.171288][ T5072] R13: 0000000000000000 R14: 00007fe966dc6d00 R15: 00007fe966d1ce70 [ 73.179284][ T5072] [ 73.182513][ T5072] Kernel Offset: disabled [ 73.186906][ T5072] Rebooting in 86400 seconds..