./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor976976920 <...> Warning: Permanently added '10.128.1.68' (ED25519) to the list of known hosts. execve("./syz-executor976976920", ["./syz-executor976976920"], 0x7ffeceeded50 /* 10 vars */) = 0 brk(NULL) = 0x5555565ca000 brk(0x5555565cad00) = 0x5555565cad00 arch_prctl(ARCH_SET_FS, 0x5555565ca380) = 0 set_tid_address(0x5555565ca650) = 5828 set_robust_list(0x5555565ca660, 24) = 0 rseq(0x5555565caca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor976976920", 4096) = 27 getrandom("\x73\xae\x08\x1f\x1b\x61\x77\x4f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555565cad00 brk(0x5555565ebd00) = 0x5555565ebd00 brk(0x5555565ec000) = 0x5555565ec000 mprotect(0x7fb38b2b9000, 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 executing program write(1, "executing program\n", 18) = 18 bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 close(3) = 0 socket(AF_VSOCK, SOCK_SEQPACKET, 0) = 3 connect(3, {sa_family=AF_VSOCK, svm_cid=VMADDR_CID_ANY, svm_port=0, svm_flags=0}, 16) = -1 ECONNRESET (Connection reset by peer) bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 bpf(BPF_MAP_UPDATE_ELEM, {map_fd=4, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32) = 0 connect(3, {sa_family=AF_VSOCK, svm_cid=VMADDR_CID_HOST, svm_port=0x2711, svm_flags=0}, 16) = -1 ESOCKTNOSUPPORT (Socket type not supported) [ 63.139775][ T5828] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000014: 0000 [#1] PREEMPT SMP KASAN PTI [ 63.152402][ T5828] KASAN: null-ptr-deref in range [0x00000000000000a0-0x00000000000000a7] [ 63.160829][ T5828] CPU: 1 UID: 0 PID: 5828 Comm: syz-executor976 Not tainted 6.13.0-rc5-syzkaller-00142-g8ce4f287524c #0 [ 63.171915][ T5828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 63.181962][ T5828] RIP: 0010:vsock_connectible_has_data+0x85/0x100 [ 63.188393][ T5828] Code: 80 3c 38 00 74 08 48 89 df e8 e7 e0 5f f6 48 8b 1b 66 83 fd 05 75 3a e8 d9 78 f9 f5 48 81 c3 a0 00 00 00 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 bc e0 5f f6 4c 8b 1b 4c 89 f7 41 [ 63.208004][ T5828] RSP: 0018:ffffc900015976f8 EFLAGS: 00010206 [ 63.214069][ T5828] RAX: 0000000000000014 RBX: 00000000000000a0 RCX: ffff888033e09e00 [ 63.222035][ T5828] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000005 [ 63.230000][ T5828] RBP: 0000000000000005 R08: ffffffff8ba5fadc R09: 1ffffffff285492b [ 63.237964][ T5828] R10: dffffc0000000000 R11: fffffbfff285492c R12: 0000000000002000 [ 63.245926][ T5828] R13: dffffc0000000000 R14: ffff888033e18000 R15: dffffc0000000000 [ 63.253895][ T5828] FS: 00005555565ca380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 63.262815][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.269388][ T5828] CR2: 00000000200061c8 CR3: 0000000074f74000 CR4: 00000000003526f0 [ 63.277354][ T5828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.285316][ T5828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.293280][ T5828] Call Trace: [ 63.296551][ T5828] [ 63.299473][ T5828] ? __die_body+0x5f/0xb0 [ 63.303800][ T5828] ? die_addr+0xb0/0xe0 [ 63.307948][ T5828] ? exc_general_protection+0x3dd/0x5d0 [ 63.313489][ T5828] ? asm_exc_general_protection+0x26/0x30 [ 63.319207][ T5828] ? vsock_connectible_has_data+0x4c/0x100 [ 63.325009][ T5828] ? vsock_connectible_has_data+0x85/0x100 [ 63.330807][ T5828] ? vsock_connectible_has_data+0x77/0x100 [ 63.336607][ T5828] vsock_bpf_recvmsg+0x4b5/0x10a0 [ 63.341631][ T5828] ? vsock_bpf_recvmsg+0xad/0x10a0 [ 63.346739][ T5828] ? aa_sk_perm+0x96d/0xab0 [ 63.351254][ T5828] ? __pfx_vsock_bpf_recvmsg+0x10/0x10 [ 63.356708][ T5828] ? iovec_from_user+0x61/0x240 [ 63.361554][ T5828] ? aa_sock_msg_perm+0x91/0x160 [ 63.366490][ T5828] ? vsock_connectible_recvmsg+0x76/0xe0 [ 63.372117][ T5828] ? __pfx_vsock_connectible_recvmsg+0x10/0x10 [ 63.378271][ T5828] sock_recvmsg+0x22f/0x280 [ 63.382772][ T5828] ____sys_recvmsg+0x1c6/0x480 [ 63.387532][ T5828] ? __pfx_____sys_recvmsg+0x10/0x10 [ 63.392819][ T5828] do_recvmmsg+0x426/0xab0 [ 63.397232][ T5828] ? __pfx_do_recvmmsg+0x10/0x10 [ 63.402166][ T5828] ? do_raw_spin_lock+0x14f/0x370 [ 63.407185][ T5828] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 63.413161][ T5828] ? lockdep_hardirqs_on+0x99/0x150 [ 63.418356][ T5828] ? _raw_spin_unlock_irq+0x2e/0x50 [ 63.423551][ T5828] ? ptrace_notify+0x279/0x380 [ 63.428309][ T5828] __x64_sys_recvmmsg+0x199/0x250 [ 63.433329][ T5828] ? __pfx___x64_sys_recvmmsg+0x10/0x10 [ 63.438876][ T5828] ? exc_page_fault+0x590/0x8b0 [ 63.443725][ T5828] do_syscall_64+0xf3/0x230 [ 63.448226][ T5828] ? clear_bhb_loop+0x35/0x90 [ 63.452893][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.458784][ T5828] RIP: 0033:0x7fb38b2465e9 [ 63.463203][ T5828] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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 [ 63.482804][ T5828] RSP: 002b:00007fffd43f6938 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 63.491213][ T5828] RAX: ffffffffffffffda RBX: 00007fffd43f6b08 RCX: 00007fb38b2465e9 [ 63.499177][ T5828] RDX: 0000000000000001 RSI: 00000000200061c0 RDI: 0000000000000003 [ 63.507140][ T5828] RBP: 00007fb38b2b9610 R08: 0000000000000000 R09: 00007fffd43f6b08 [ 63.515105][ T5828] R10: 0000000000002000 R11: 0000000000000246 R12: 0000000000000001 [ 63.523065][ T5828] R13: 00007fffd43f6af8 R14: 0000000000000001 R15: 0000000000000001 [ 63.531034][ T5828] [ 63.534051][ T5828] Modules linked in: [ 63.538080][ T5828] ---[ end trace 0000000000000000 ]--- [ 63.543722][ T5828] RIP: 0010:vsock_connectible_has_data+0x85/0x100 [ 63.550200][ T5828] Code: 80 3c 38 00 74 08 48 89 df e8 e7 e0 5f f6 48 8b 1b 66 83 fd 05 75 3a e8 d9 78 f9 f5 48 81 c3 a0 00 00 00 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 bc e0 5f f6 4c 8b 1b 4c 89 f7 41 [ 63.569860][ T5828] RSP: 0018:ffffc900015976f8 EFLAGS: 00010206 [ 63.575934][ T5828] RAX: 0000000000000014 RBX: 00000000000000a0 RCX: ffff888033e09e00 [ 63.583931][ T5828] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000005 [ 63.591932][ T5828] RBP: 0000000000000005 R08: ffffffff8ba5fadc R09: 1ffffffff285492b [ 63.599924][ T5828] R10: dffffc0000000000 R11: fffffbfff285492c R12: 0000000000002000 [ 63.607900][ T5828] R13: dffffc0000000000 R14: ffff888033e18000 R15: dffffc0000000000 [ 63.615905][ T5828] FS: 00005555565ca380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 63.624867][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.631498][ T5828] CR2: 000000000066c7e0 CR3: 0000000074f74000 CR4: 00000000003526f0 [ 63.639497][ T5828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.647453][ T5828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.655738][ T5828] Kernel panic - not syncing: Fatal exception [ 63.662070][ T5828] Kernel Offset: disabled [ 63.666388][ T5828] Rebooting in 86400 seconds..