./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor218567190 <...> Warning: Permanently added '10.128.0.127' (ED25519) to the list of known hosts. execve("./syz-executor218567190", ["./syz-executor218567190"], 0x7ffd54e07ff0 /* 10 vars */) = 0 brk(NULL) = 0x55555d605000 brk(0x55555d605d00) = 0x55555d605d00 arch_prctl(ARCH_SET_FS, 0x55555d605380) = 0 set_tid_address(0x55555d605650) = 5830 set_robust_list(0x55555d605660, 24) = 0 rseq(0x55555d605ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor218567190", 4096) = 27 getrandom("\x50\x2e\x4a\x46\x92\x38\x22\x56", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555d605d00 brk(0x55555d626d00) = 0x55555d626d00 brk(0x55555d627000) = 0x55555d627000 mprotect(0x7fa182fc8000, 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 write(1, "executing program\n", 18executing program ) = 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) [ 76.387276][ T5830] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000014: 0000 [#1] PREEMPT SMP KASAN PTI [ 76.399909][ T5830] KASAN: null-ptr-deref in range [0x00000000000000a0-0x00000000000000a7] [ 76.408315][ T5830] CPU: 0 UID: 0 PID: 5830 Comm: syz-executor218 Not tainted 6.13.0-rc5-syzkaller-00142-g8ce4f287524c #0 [ 76.419417][ T5830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 76.429490][ T5830] RIP: 0010:vsock_connectible_has_data+0x85/0x100 [ 76.435951][ T5830] 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 [ 76.455648][ T5830] RSP: 0018:ffffc90003ad76f8 EFLAGS: 00010206 [ 76.461722][ T5830] RAX: 0000000000000014 RBX: 00000000000000a0 RCX: ffff8880345d8000 [ 76.469691][ T5830] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000005 [ 76.477659][ T5830] RBP: 0000000000000005 R08: ffffffff8ba5fadc R09: 1ffffffff285492b [ 76.485629][ T5830] R10: dffffc0000000000 R11: fffffbfff285492c R12: 0000000000002000 [ 76.493597][ T5830] R13: dffffc0000000000 R14: ffff888031f60000 R15: dffffc0000000000 [ 76.501568][ T5830] FS: 000055555d605380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 76.510500][ T5830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.517085][ T5830] CR2: 00000000200061c8 CR3: 000000007ea7a000 CR4: 00000000003526f0 [ 76.525057][ T5830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.533021][ T5830] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.540998][ T5830] Call Trace: [ 76.544285][ T5830] [ 76.547212][ T5830] ? __die_body+0x5f/0xb0 [ 76.551552][ T5830] ? die_addr+0xb0/0xe0 [ 76.555714][ T5830] ? exc_general_protection+0x3dd/0x5d0 [ 76.561292][ T5830] ? asm_exc_general_protection+0x26/0x30 [ 76.567025][ T5830] ? vsock_connectible_has_data+0x4c/0x100 [ 76.572843][ T5830] ? vsock_connectible_has_data+0x85/0x100 [ 76.578673][ T5830] ? vsock_connectible_has_data+0x77/0x100 [ 76.584507][ T5830] vsock_bpf_recvmsg+0x4b5/0x10a0 [ 76.589542][ T5830] ? vsock_bpf_recvmsg+0xad/0x10a0 [ 76.594657][ T5830] ? aa_sk_perm+0x96d/0xab0 [ 76.599178][ T5830] ? __pfx_vsock_bpf_recvmsg+0x10/0x10 [ 76.604655][ T5830] ? iovec_from_user+0x61/0x240 [ 76.609524][ T5830] ? aa_sock_msg_perm+0x91/0x160 [ 76.614469][ T5830] ? vsock_connectible_recvmsg+0x76/0xe0 [ 76.620114][ T5830] ? __pfx_vsock_connectible_recvmsg+0x10/0x10 [ 76.626289][ T5830] sock_recvmsg+0x22f/0x280 [ 76.630848][ T5830] ____sys_recvmsg+0x1c6/0x480 [ 76.635628][ T5830] ? __pfx_____sys_recvmsg+0x10/0x10 [ 76.640929][ T5830] do_recvmmsg+0x426/0xab0 [ 76.645378][ T5830] ? __pfx_do_recvmmsg+0x10/0x10 [ 76.650342][ T5830] ? do_raw_spin_lock+0x14f/0x370 [ 76.655384][ T5830] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 76.661385][ T5830] ? lockdep_hardirqs_on+0x99/0x150 [ 76.666603][ T5830] ? _raw_spin_unlock_irq+0x2e/0x50 [ 76.671810][ T5830] ? ptrace_notify+0x279/0x380 [ 76.676606][ T5830] __x64_sys_recvmmsg+0x199/0x250 [ 76.681653][ T5830] ? __pfx___x64_sys_recvmmsg+0x10/0x10 [ 76.687216][ T5830] ? exc_page_fault+0x590/0x8b0 [ 76.692168][ T5830] do_syscall_64+0xf3/0x230 [ 76.696690][ T5830] ? clear_bhb_loop+0x35/0x90 [ 76.701391][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.707326][ T5830] RIP: 0033:0x7fa182f555e9 [ 76.711758][ T5830] 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 [ 76.731368][ T5830] RSP: 002b:00007fff83b2f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 76.739793][ T5830] RAX: ffffffffffffffda RBX: 00007fff83b2f298 RCX: 00007fa182f555e9 [ 76.747762][ T5830] RDX: 0000000000000001 RSI: 00000000200061c0 RDI: 0000000000000003 [ 76.755731][ T5830] RBP: 00007fa182fc8610 R08: 0000000000000000 R09: 00007fff83b2f298 [ 76.763707][ T5830] R10: 0000000000002000 R11: 0000000000000246 R12: 0000000000000001 [ 76.771684][ T5830] R13: 00007fff83b2f288 R14: 0000000000000001 R15: 0000000000000001 [ 76.779666][ T5830] [ 76.782685][ T5830] Modules linked in: [ 76.786801][ T5830] ---[ end trace 0000000000000000 ]--- [ 76.793402][ T5830] RIP: 0010:vsock_connectible_has_data+0x85/0x100 [ 76.800130][ T5830] 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 [ 76.819996][ T5830] RSP: 0018:ffffc90003ad76f8 EFLAGS: 00010206 [ 76.826155][ T5830] RAX: 0000000000000014 RBX: 00000000000000a0 RCX: ffff8880345d8000 [ 76.834223][ T5830] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000005 [ 76.842289][ T5830] RBP: 0000000000000005 R08: ffffffff8ba5fadc R09: 1ffffffff285492b [ 76.850276][ T5830] R10: dffffc0000000000 R11: fffffbfff285492c R12: 0000000000002000 [ 76.858307][ T5830] R13: dffffc0000000000 R14: ffff888031f60000 R15: dffffc0000000000 [ 76.866386][ T5830] FS: 000055555d605380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 76.875369][ T5830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.881998][ T5830] CR2: 000000000066c7e0 CR3: 000000007ea7a000 CR4: 00000000003526f0 [ 76.889965][ T5830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.897992][ T5830] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.906042][ T5830] Kernel panic - not syncing: Fatal exception [ 76.912506][ T5830] Kernel Offset: disabled [ 76.916827][ T5830] Rebooting in 86400 seconds..