./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor275707305 <...> Warning: Permanently added '10.128.1.156' (ED25519) to the list of known hosts. execve("./syz-executor275707305", ["./syz-executor275707305"], 0x7ffeea880330 /* 10 vars */) = 0 brk(NULL) = 0x555556f51000 brk(0x555556f51d00) = 0x555556f51d00 arch_prctl(ARCH_SET_FS, 0x555556f51380) = 0 set_tid_address(0x555556f51650) = 5834 set_robust_list(0x555556f51660, 24) = 0 rseq(0x555556f51ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor275707305", 4096) = 27 getrandom("\x6f\xa2\xf9\x5e\xd2\xb3\x1b\xb9", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556f51d00 brk(0x555556f72d00) = 0x555556f72d00 brk(0x555556f73000) = 0x555556f73000 mprotect(0x7ff0df411000, 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) [ 77.883353][ T5834] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000014: 0000 [#1] PREEMPT SMP KASAN PTI [ 77.895983][ T5834] KASAN: null-ptr-deref in range [0x00000000000000a0-0x00000000000000a7] [ 77.904419][ T5834] CPU: 1 UID: 0 PID: 5834 Comm: syz-executor275 Not tainted 6.13.0-rc5-syzkaller-00142-g8ce4f287524c #0 [ 77.915620][ T5834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 77.925686][ T5834] RIP: 0010:vsock_connectible_has_data+0x85/0x100 [ 77.932151][ T5834] 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 [ 77.951760][ T5834] RSP: 0018:ffffc90003d5f6f8 EFLAGS: 00010206 [ 77.957856][ T5834] RAX: 0000000000000014 RBX: 00000000000000a0 RCX: ffff88802ace5a00 [ 77.965844][ T5834] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000005 [ 77.973821][ T5834] RBP: 0000000000000005 R08: ffffffff8ba5fadc R09: 1ffffffff285492b [ 77.981887][ T5834] R10: dffffc0000000000 R11: fffffbfff285492c R12: 0000000000002000 [ 77.989859][ T5834] R13: dffffc0000000000 R14: ffff88807aae8000 R15: dffffc0000000000 [ 77.997852][ T5834] FS: 0000555556f51380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 78.006796][ T5834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.013395][ T5834] CR2: 00000000200061c8 CR3: 0000000074c12000 CR4: 00000000003526f0 [ 78.021379][ T5834] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.029356][ T5834] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.037334][ T5834] Call Trace: [ 78.040613][ T5834] [ 78.043542][ T5834] ? __die_body+0x5f/0xb0 [ 78.047894][ T5834] ? die_addr+0xb0/0xe0 [ 78.052106][ T5834] ? exc_general_protection+0x3dd/0x5d0 [ 78.057677][ T5834] ? asm_exc_general_protection+0x26/0x30 [ 78.063415][ T5834] ? vsock_connectible_has_data+0x4c/0x100 [ 78.069369][ T5834] ? vsock_connectible_has_data+0x85/0x100 [ 78.075322][ T5834] ? vsock_connectible_has_data+0x77/0x100 [ 78.081180][ T5834] vsock_bpf_recvmsg+0x4b5/0x10a0 [ 78.086257][ T5834] ? vsock_bpf_recvmsg+0xad/0x10a0 [ 78.091409][ T5834] ? aa_sk_perm+0x96d/0xab0 [ 78.095961][ T5834] ? __pfx_vsock_bpf_recvmsg+0x10/0x10 [ 78.101450][ T5834] ? iovec_from_user+0x61/0x240 [ 78.106342][ T5834] ? aa_sock_msg_perm+0x91/0x160 [ 78.111284][ T5834] ? vsock_connectible_recvmsg+0x76/0xe0 [ 78.116927][ T5834] ? __pfx_vsock_connectible_recvmsg+0x10/0x10 [ 78.123090][ T5834] sock_recvmsg+0x22f/0x280 [ 78.127627][ T5834] ____sys_recvmsg+0x1c6/0x480 [ 78.132529][ T5834] ? __pfx_____sys_recvmsg+0x10/0x10 [ 78.137841][ T5834] do_recvmmsg+0x426/0xab0 [ 78.142365][ T5834] ? __pfx_do_recvmmsg+0x10/0x10 [ 78.147350][ T5834] ? do_raw_spin_lock+0x14f/0x370 [ 78.152463][ T5834] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 78.158498][ T5834] ? lockdep_hardirqs_on+0x99/0x150 [ 78.163739][ T5834] ? _raw_spin_unlock_irq+0x2e/0x50 [ 78.169130][ T5834] ? ptrace_notify+0x279/0x380 [ 78.173912][ T5834] __x64_sys_recvmmsg+0x199/0x250 [ 78.178970][ T5834] ? __pfx___x64_sys_recvmmsg+0x10/0x10 [ 78.184530][ T5834] ? exc_page_fault+0x590/0x8b0 [ 78.189401][ T5834] do_syscall_64+0xf3/0x230 [ 78.193932][ T5834] ? clear_bhb_loop+0x35/0x90 [ 78.198661][ T5834] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.204656][ T5834] RIP: 0033:0x7ff0df39e5e9 [ 78.209082][ T5834] 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 [ 78.228693][ T5834] RSP: 002b:00007ffd0352f8c8 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 78.237202][ T5834] RAX: ffffffffffffffda RBX: 00007ffd0352fa98 RCX: 00007ff0df39e5e9 [ 78.245804][ T5834] RDX: 0000000000000001 RSI: 00000000200061c0 RDI: 0000000000000003 [ 78.253810][ T5834] RBP: 00007ff0df411610 R08: 0000000000000000 R09: 00007ffd0352fa98 [ 78.261974][ T5834] R10: 0000000000002000 R11: 0000000000000246 R12: 0000000000000001 [ 78.269957][ T5834] R13: 00007ffd0352fa88 R14: 0000000000000001 R15: 0000000000000001 [ 78.278040][ T5834] [ 78.281083][ T5834] Modules linked in: [ 78.285246][ T5834] ---[ end trace 0000000000000000 ]--- [ 78.291007][ T5834] RIP: 0010:vsock_connectible_has_data+0x85/0x100 [ 78.297544][ T5834] 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 [ 78.318069][ T5834] RSP: 0018:ffffc90003d5f6f8 EFLAGS: 00010206 [ 78.324242][ T5834] RAX: 0000000000000014 RBX: 00000000000000a0 RCX: ffff88802ace5a00 [ 78.332398][ T5834] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000005 [ 78.340557][ T5834] RBP: 0000000000000005 R08: ffffffff8ba5fadc R09: 1ffffffff285492b [ 78.348581][ T5834] R10: dffffc0000000000 R11: fffffbfff285492c R12: 0000000000002000 [ 78.356585][ T5834] R13: dffffc0000000000 R14: ffff88807aae8000 R15: dffffc0000000000 [ 78.364698][ T5834] FS: 0000555556f51380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 78.373707][ T5834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.380367][ T5834] CR2: 00000000200061c8 CR3: 0000000074c12000 CR4: 00000000003526f0 [ 78.388489][ T5834] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.396618][ T5834] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.404725][ T5834] Kernel panic - not syncing: Fatal exception [ 78.411253][ T5834] Kernel Offset: disabled [ 78.415604][ T5834] Rebooting in 86400 seconds..