9pnet: p9_fd_create_tcp (30343): problem connecting socket to 127.0.0.1 9pnet: p9_fd_create_tcp (30343): problem connecting socket to 127.0.0.1 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 7921 Comm: kworker/0:3 Not tainted 4.19.64 #38 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: krxrpcd rxrpc_peer_keepalive_worker RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline] RIP: 0010:__in_dev_get_rcu include/linux/inetdevice.h:218 [inline] RIP: 0010:__mkroute_output net/ipv4/route.c:2236 [inline] RIP: 0010:ip_route_output_key_hash_rcu+0x460/0x30e0 net/ipv4/route.c:2541 Code: 00 0f 85 64 28 00 00 48 8b 85 70 ff ff ff 4c 89 f2 48 c1 ea 03 48 8b 40 10 48 89 85 30 ff ff ff 48 b8 00 00 00 00 00 fc ff df <80> 3c 02 00 0f 85 09 28 00 00 48 8b 85 68 ff ff ff 4c 8b b8 28 03 RSP: 0018:ffff88805e887550 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff88805e8878d0 RCX: 0000000000000000 RDX: 0000000000000065 RSI: ffffffff85c8493e RDI: ffff88805e887676 RBP: ffff88805e887628 R08: ffff88805e87e040 R09: ffffed1015d04733 R10: ffffed1015d04732 R11: ffff8880ae823993 R12: ffff88806217c140 R13: 0000000000000000 R14: 0000000000000328 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000606ed8 CR3: 000000008ecf9000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ip_route_output_key_hash+0x212/0x380 net/ipv4/route.c:2370 __ip_route_output_key include/net/route.h:124 [inline] ip_route_output_flow+0x28/0xc0 net/ipv4/route.c:2625 udp_sendmsg+0x1adb/0x25e0 net/ipv4/udp.c:1094 inet_sendmsg+0x141/0x5d0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 kernel_sendmsg+0x44/0x50 net/socket.c:640 rxrpc_send_keepalive+0x1ff/0x8e0 net/rxrpc/output.c:658 rxrpc_peer_keepalive_dispatch net/rxrpc/peer_event.c:366 [inline] rxrpc_peer_keepalive_worker+0x7be/0xd02 net/rxrpc/peer_event.c:427 process_one_work+0x989/0x1750 kernel/workqueue.c:2153 worker_thread+0x98/0xe40 kernel/workqueue.c:2296 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Modules linked in: ---[ end trace 009ab2e060adbc82 ]--- RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline] RIP: 0010:__in_dev_get_rcu include/linux/inetdevice.h:218 [inline] RIP: 0010:__mkroute_output net/ipv4/route.c:2236 [inline] RIP: 0010:ip_route_output_key_hash_rcu+0x460/0x30e0 net/ipv4/route.c:2541 Code: 00 0f 85 64 28 00 00 48 8b 85 70 ff ff ff 4c 89 f2 48 c1 ea 03 48 8b 40 10 48 89 85 30 ff ff ff 48 b8 00 00 00 00 00 fc ff df <80> 3c 02 00 0f 85 09 28 00 00 48 8b 85 68 ff ff ff 4c 8b b8 28 03 RSP: 0018:ffff88805e887550 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff88805e8878d0 RCX: 0000000000000000 RDX: 0000000000000065 RSI: ffffffff85c8493e RDI: ffff88805e887676 RBP: ffff88805e887628 R08: ffff88805e87e040 R09: ffffed1015d04733 R10: ffffed1015d04732 R11: ffff8880ae823993 R12: ffff88806217c140 R13: 0000000000000000 R14: 0000000000000328 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0661ad9570 CR3: 00000000874fd000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400