./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4247572278 <...> Warning: Permanently added '10.128.1.188' (ED25519) to the list of known hosts. execve("./syz-executor4247572278", ["./syz-executor4247572278"], 0x7ffcf1a2ca80 /* 10 vars */) = 0 brk(NULL) = 0x555594947000 brk(0x555594947d00) = 0x555594947d00 arch_prctl(ARCH_SET_FS, 0x555594947380) = 0 set_tid_address(0x555594947650) = 5829 set_robust_list(0x555594947660, 24) = 0 rseq(0x555594947ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4247572278", 4096) = 28 getrandom("\xf2\x29\x2e\xf7\x44\x6a\xfd\xd8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555594947d00 brk(0x555594968d00) = 0x555594968d00 brk(0x555594969000) = 0x555594969000 mprotect(0x7fd8e2cc5000, 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) [ 59.665123][ T5829] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000014: 0000 [#1] PREEMPT SMP KASAN PTI [ 59.677847][ T5829] KASAN: null-ptr-deref in range [0x00000000000000a0-0x00000000000000a7] [ 59.686268][ T5829] CPU: 0 UID: 0 PID: 5829 Comm: syz-executor424 Not tainted 6.13.0-rc5-syzkaller-00142-g8ce4f287524c #0 [ 59.697363][ T5829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 59.707510][ T5829] RIP: 0010:vsock_connectible_has_data+0x85/0x100 [ 59.713950][ T5829] 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 [ 59.733552][ T5829] RSP: 0018:ffffc90003e6f6f8 EFLAGS: 00010206 [ 59.739605][ T5829] RAX: 0000000000000014 RBX: 00000000000000a0 RCX: ffff888030ea0000 [ 59.747570][ T5829] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000005 [ 59.755532][ T5829] RBP: 0000000000000005 R08: ffffffff8ba5fadc R09: 1ffffffff203302e [ 59.763519][ T5829] R10: dffffc0000000000 R11: fffffbfff203302f R12: 0000000000002000 [ 59.771507][ T5829] R13: dffffc0000000000 R14: ffff8880354a0000 R15: dffffc0000000000 [ 59.779558][ T5829] FS: 0000555594947380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 59.788477][ T5829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.795048][ T5829] CR2: 00000000200061c8 CR3: 0000000011e8c000 CR4: 00000000003526f0 [ 59.803026][ T5829] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.811351][ T5829] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.819457][ T5829] Call Trace: [ 59.822748][ T5829] [ 59.825703][ T5829] ? __die_body+0x5f/0xb0 [ 59.830039][ T5829] ? die_addr+0xb0/0xe0 [ 59.834200][ T5829] ? exc_general_protection+0x3dd/0x5d0 [ 59.839735][ T5829] ? asm_exc_general_protection+0x26/0x30 [ 59.845463][ T5829] ? vsock_connectible_has_data+0x4c/0x100 [ 59.851270][ T5829] ? vsock_connectible_has_data+0x85/0x100 [ 59.857205][ T5829] ? vsock_connectible_has_data+0x77/0x100 [ 59.863185][ T5829] vsock_bpf_recvmsg+0x4b5/0x10a0 [ 59.868326][ T5829] ? vsock_bpf_recvmsg+0xad/0x10a0 [ 59.873458][ T5829] ? aa_sk_perm+0x96d/0xab0 [ 59.877956][ T5829] ? lock_acquire+0xe3/0x550 [ 59.882539][ T5829] ? rcu_is_watching+0x15/0xb0 [ 59.887290][ T5829] ? __pfx_vsock_bpf_recvmsg+0x10/0x10 [ 59.892736][ T5829] ? lock_release+0xbf/0xa30 [ 59.897313][ T5829] ? iovec_from_user+0x61/0x240 [ 59.902166][ T5829] ? aa_sock_msg_perm+0x91/0x160 [ 59.907127][ T5829] ? vsock_connectible_recvmsg+0x76/0xe0 [ 59.912860][ T5829] ? __pfx_vsock_connectible_recvmsg+0x10/0x10 [ 59.919019][ T5829] sock_recvmsg+0x22f/0x280 [ 59.923865][ T5829] ____sys_recvmsg+0x1c6/0x480 [ 59.928986][ T5829] ? __pfx_____sys_recvmsg+0x10/0x10 [ 59.934830][ T5829] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 59.941266][ T5829] do_recvmmsg+0x426/0xab0 [ 59.945891][ T5829] ? __pfx_do_recvmmsg+0x10/0x10 [ 59.951134][ T5829] ? rcu_is_watching+0x15/0xb0 [ 59.956094][ T5829] ? do_raw_spin_lock+0x14f/0x370 [ 59.961136][ T5829] ? rcu_is_watching+0x15/0xb0 [ 59.966030][ T5829] ? lock_release+0xbf/0xa30 [ 59.970898][ T5829] ? _raw_spin_lock_irq+0xdf/0x120 [ 59.976294][ T5829] ? __pfx__raw_spin_lock_irq+0x10/0x10 [ 59.981868][ T5829] ? __pfx_lock_release+0x10/0x10 [ 59.986898][ T5829] ? rcu_is_watching+0x15/0xb0 [ 59.991705][ T5829] ? _raw_spin_unlock_irq+0x2e/0x50 [ 59.997043][ T5829] ? ptrace_notify+0x279/0x380 [ 60.002175][ T5829] __x64_sys_recvmmsg+0x199/0x250 [ 60.007203][ T5829] ? __pfx___x64_sys_recvmmsg+0x10/0x10 [ 60.012798][ T5829] do_syscall_64+0xf3/0x230 [ 60.017316][ T5829] ? clear_bhb_loop+0x35/0x90 [ 60.022084][ T5829] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 60.028000][ T5829] RIP: 0033:0x7fd8e2c525e9 [ 60.032431][ T5829] 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 [ 60.052124][ T5829] RSP: 002b:00007ffd46cd8678 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 60.060970][ T5829] RAX: ffffffffffffffda RBX: 00007ffd46cd8848 RCX: 00007fd8e2c525e9 [ 60.068926][ T5829] RDX: 0000000000000001 RSI: 00000000200061c0 RDI: 0000000000000003 [ 60.076884][ T5829] RBP: 00007fd8e2cc5610 R08: 0000000000000000 R09: 00007ffd46cd8848 [ 60.084952][ T5829] R10: 0000000000002000 R11: 0000000000000246 R12: 0000000000000001 [ 60.093202][ T5829] R13: 00007ffd46cd8838 R14: 0000000000000001 R15: 0000000000000001 [ 60.101450][ T5829] [ 60.104462][ T5829] Modules linked in: [ 60.108939][ T5829] ---[ end trace 0000000000000000 ]--- [ 60.114929][ T5829] RIP: 0010:vsock_connectible_has_data+0x85/0x100 [ 60.122723][ T5829] 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 [ 60.142491][ T5829] RSP: 0018:ffffc90003e6f6f8 EFLAGS: 00010206 [ 60.148660][ T5829] RAX: 0000000000000014 RBX: 00000000000000a0 RCX: ffff888030ea0000 [ 60.156851][ T5829] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000005 [ 60.165001][ T5829] RBP: 0000000000000005 R08: ffffffff8ba5fadc R09: 1ffffffff203302e [ 60.173189][ T5829] R10: dffffc0000000000 R11: fffffbfff203302f R12: 0000000000002000 [ 60.181238][ T5829] R13: dffffc0000000000 R14: ffff8880354a0000 R15: dffffc0000000000 [ 60.189337][ T5829] FS: 0000555594947380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 60.198392][ T5829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.205153][ T5829] CR2: 00000000200061c8 CR3: 0000000011e8c000 CR4: 00000000003526f0 [ 60.213459][ T5829] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.221530][ T5829] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.229870][ T5829] Kernel panic - not syncing: Fatal exception [ 60.236469][ T5829] Kernel Offset: disabled [ 60.240817][ T5829] Rebooting in 86400 seconds..