IPv6: NLM_F_CREATE should be specified when creating new route
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: 1 PID: 27206 Comm: kworker/1:2 Not tainted 4.19.86-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
IPv6: Can't replace route, no match found
Workqueue: krxrpcd rxrpc_peer_keepalive_worker
kobject: 'loop5' (00000000a49e34a1): kobject_uevent_env
RIP: 0010:selinux_socket_sendmsg+0x22/0x40 security/selinux/hooks.c:4911
Code: c3 e8 f2 11 c1 fe eb e8 55 48 89 e5 53 48 89 fb e8 93 79 8a fe 48 8d 7b 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 11 48 8b 7b 20 be 04 00 00 00 e8 0a fc ff ff 5b 5d
RSP: 0018:ffff8880543b79f0 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff83215c35
RDX: 0000000000000004 RSI: ffffffff82e0a5dd RDI: 0000000000000020
kobject: 'loop5' (00000000a49e34a1): fill_kobj_path: path = '/devices/virtual/block/loop5'
RBP: ffff8880543b79f8 R08: ffff888054ee6680 R09: ffff888054ee6f48
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff8880543b7b20 R14: ffff8880543b7b20 R15: 000000000000001d
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'brif' (00000000ac379ad8): kobject_cleanup, parent 00000000a96c6245
CR2: 00000000004c0093 CR3: 000000004d2e1000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 security_socket_sendmsg+0x77/0xc0 security/security.c:1417
 sock_sendmsg+0x45/0x130 net/socket.c:629
 kernel_sendmsg+0x44/0x50 net/socket.c:640
 rxrpc_send_keepalive+0x1ff/0x8e0 net/rxrpc/output.c:658
kobject: 'loop1' (00000000c48101cc): kobject_uevent_env
 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
kobject: 'loop1' (00000000c48101cc): fill_kobj_path: path = '/devices/virtual/block/loop1'
 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:
kobject: 'brif' (00000000ac379ad8): auto cleanup kobject_del
kobject: 'brif' (00000000ac379ad8): calling ktype release
kobject: (00000000ac379ad8): dynamic_kobj_release
kobject: 'brif': free name
IPv6: addrconf: prefix option has invalid lifetime
---[ end trace 108ec1aca4c0b0b9 ]---
RIP: 0010:selinux_socket_sendmsg+0x22/0x40 security/selinux/hooks.c:4911
Code: c3 e8 f2 11 c1 fe eb e8 55 48 89 e5 53 48 89 fb e8 93 79 8a fe 48 8d 7b 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 11 48 8b 7b 20 be 04 00 00 00 e8 0a fc ff ff 5b 5d
RSP: 0018:ffff8880543b79f0 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff83215c35
RDX: 0000000000000004 RSI: ffffffff82e0a5dd RDI: 0000000000000020
RBP: ffff8880543b79f8 R08: ffff888054ee6680 R09: ffff888054ee6f48
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff8880543b7b20 R14: ffff8880543b7b20 R15: 000000000000001d
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000001c6fd48 CR3: 00000000975cb000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'loop1' (00000000c48101cc): kobject_uevent_env
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kobject: 'loop1' (00000000c48101cc): fill_kobj_path: path = '/devices/virtual/block/loop1'