kvm [28859]: vcpu0, guest rIP: 0xcc ignored wrmsr: 0x11e data 0xcf0000000001 kvm [28859]: vcpu0, guest rIP: 0xcc ignored wrmsr: 0x11e data 0xd90000000001 kvm [28859]: vcpu0, guest rIP: 0xcc disabled perfctr wrmsr: 0x186 data 0x450000000001 rxrpc: Assertion failed - 0(0x0) == 18446612683496524800(0xffff888055068c00) is false ------------[ cut here ]------------ kernel BUG at net/rxrpc/conn_client.c:792! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 28841 Comm: syz-executor.1 Not tainted 4.14.222-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88809656e340 task.stack: ffff8880967b8000 RIP: 0010:rxrpc_disconnect_client_call.cold+0x52/0x7a net/rxrpc/conn_client.c:792 RSP: 0018:ffff8880967bf720 EFLAGS: 00010286 RAX: 0000000000000055 RBX: ffff888057d287c0 RCX: 0000000000000000 RDX: 00000000000156e8 RSI: ffffffff81441800 RDI: ffffed1012cf7eda RBP: ffff888098220040 R08: 0000000000000055 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888098220090 R14: ffff888055068c00 R15: ffff8880982200e0 FS: 00007f8f0258a700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8f02548718 CR3: 0000000098640000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rxrpc_connect_call+0x1f57/0x3e10 net/rxrpc/conn_client.c:701 rxrpc_new_client_call+0x8f4/0x1a10 net/rxrpc/call_object.c:276 rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:525 [inline] rxrpc_do_sendmsg+0x8dc/0xfb0 net/rxrpc/sendmsg.c:577 rxrpc_sendmsg+0x3cf/0x5f0 net/rxrpc/af_rxrpc.c:543 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x326/0x800 net/socket.c:2062 __sys_sendmmsg+0x129/0x330 net/socket.c:2152 SYSC_sendmmsg net/socket.c:2183 [inline] SyS_sendmmsg+0x2f/0x50 net/socket.c:2178 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x465ef9 RSP: 002b:00007f8f0258a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 0000000000465ef9 RDX: 0000000000000001 RSI: 0000000020000940 RDI: 0000000000000004 RBP: 00000000004bcd1c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 R13: 00007ffd5eedc8cf R14: 00007f8f0258a300 R15: 0000000000022000 Code: 0f 0b 48 89 34 24 e8 d2 b3 38 fa 48 8b 34 24 4d 89 f1 4d 89 f0 48 c7 c1 e0 81 66 88 48 c7 c7 20 82 66 88 48 89 f2 e8 d6 10 e3 ff <0f> 0b e8 ab b3 38 fa 48 c7 c7 80 82 66 88 e8 c3 10 e3 ff 0f 0b RIP: rxrpc_disconnect_client_call.cold+0x52/0x7a net/rxrpc/conn_client.c:792 RSP: ffff8880967bf720 ---[ end trace f66eeb87a80c8eb8 ]---