kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN kobject: 'kvm' (ffff8880a6eac250): kobject_uevent_env Modules linked in: CPU: 1 PID: 7923 Comm: syz-executor.1 Not tainted 4.14.134 #30 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88805b2a0100 task.stack: ffff88805b2a8000 RIP: 0010:rxrpc_connect_call+0xc9/0x41a0 net/rxrpc/conn_client.c:684 RSP: 0018:ffff88805b2af738 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90007e5d000 RDX: 0000000000000003 RSI: ffffffff8593c089 RDI: 0000000000000018 kobject: 'kvm' (ffff8880a6eac250): fill_kobj_path: path = '/devices/virtual/misc/kvm' RBP: ffff88805b2af880 R08: 0000000000000001 R09: ffff88805b2a09a0 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888092ecac00 R13: ffff8880610904a0 R14: ffff888061090490 R15: ffff88805b2af998 FS: 00007f0720942700(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000738008 CR3: 000000008b0dd000 CR4: 00000000001426e0 Call Trace: rxrpc_new_client_call+0x8f7/0x1420 net/rxrpc/call_object.c:276 rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:525 [inline] rxrpc_do_sendmsg+0x91a/0x1103 net/rxrpc/sendmsg.c:577 rxrpc_sendmsg+0x48a/0x650 net/rxrpc/af_rxrpc.c:543 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x349/0x840 net/socket.c:2062 __sys_sendmmsg+0x152/0x3a0 net/socket.c:2152 SYSC_sendmmsg net/socket.c:2183 [inline] SyS_sendmmsg+0x35/0x60 net/socket.c:2178 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x459829 RSP: 002b:00007f0720941c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459829 RDX: 0000000000000001 RSI: 0000000020005c00 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f07209426d4 R13: 00000000004c6fe8 R14: 00000000004dc518 R15: 00000000ffffffff Code: e8 03 80 3c 18 00 0f 85 6f 39 00 00 48 8b 85 28 ff ff ff 48 8b 18 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 18 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 8a 39 00 00 48 8b 5b 18 48 8d bb 00 02 00 00 RIP: rxrpc_connect_call+0xc9/0x41a0 net/rxrpc/conn_client.c:684 RSP: ffff88805b2af738 kobject: 'tap1' (ffff88805c409030): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'tap1' (ffff88805c409030): kobject_uevent_env kobject: 'tap1' (ffff88805c409030): fill_kobj_path: path = '/devices/virtual/net/tap1' ---[ end trace ac255180bd6a04a8 ]--- kobject: 'queues' (ffff888099c7d048): kobject_add_internal: parent: 'tap1', set: ''