WARNING: CPU: 1 PID: 12757 at net/vmw_vsock/virtio_transport_common.c:426 virtio_transport_send_pkt_info+0x91d/0x1020 net/vmw_vsock/virtio_transport_common.c:426 Modules linked in: CPU: 1 UID: 0 PID: 12757 Comm: syz.2.2333 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:virtio_transport_send_pkt_info+0x91d/0x1020 net/vmw_vsock/virtio_transport_common.c:426 Code: 59 16 48 f6 84 db 75 26 e8 70 1b 48 f6 c6 05 71 34 20 05 01 90 48 8b 54 24 10 44 89 ee 48 c7 c7 00 4b 13 8d e8 e4 bb 06 f6 90 <0f> 0b 90 90 e8 4a 1b 48 f6 31 ff 44 89 e6 e8 80 16 48 f6 45 85 e4 RSP: 0018:ffffc90003717730 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc90033b12000 RDX: 0000000000080000 RSI: ffffffff817a3365 RDI: 0000000000000001 RBP: ffff8880561b3800 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 74203a7469647561 R12: 0000000000010000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000010000 FS: 00007f9c57aca6c0(0000) GS:ffff8880d67bc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa0fdfb7dac CR3: 00000000518b0000 CR4: 0000000000352ef0 DR0: 0000000000000104 DR1: fffffffffffffffd DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: virtio_transport_stream_enqueue net/vmw_vsock/virtio_transport_common.c:1111 [inline] virtio_transport_seqpacket_enqueue+0x13c/0x1c0 net/vmw_vsock/virtio_transport_common.c:839 vsock_connectible_sendmsg+0xfa1/0x1280 net/vmw_vsock/af_vsock.c:2141 sock_sendmsg_nosec net/socket.c:714 [inline] __sock_sendmsg net/socket.c:729 [inline] ____sys_sendmsg+0xa95/0xc70 net/socket.c:2614 ___sys_sendmsg+0x134/0x1d0 net/socket.c:2668 __sys_sendmmsg+0x200/0x420 net/socket.c:2757 __do_sys_sendmmsg net/socket.c:2784 [inline] __se_sys_sendmmsg net/socket.c:2781 [inline] __x64_sys_sendmmsg+0x9c/0x100 net/socket.c:2781 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9c56b8ebe9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9c57aca038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f9c56db5fa0 RCX: 00007f9c56b8ebe9 RDX: 0000000000000001 RSI: 0000200000000100 RDI: 0000000000000005 RBP: 00007f9c56c11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000024008094 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f9c56db6038 R14: 00007f9c56db5fa0 R15: 00007fff5808c678