netlink: 'syz-executor4': attribute type 5 has an invalid length.
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 32461 Comm: syz-executor0 Not tainted 5.0.0-rc4+ #41
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'loop2' (000000000908e6ae): kobject_uevent_env
RIP: 0010:rt_cache_valid+0x33/0x190 net/ipv4/route.c:1510
Code: 31 e4 53 48 89 fb e8 4c de 9e fb 48 85 db 74 4f e8 42 de 9e fb 48 8d 7b 3a 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 07
kobject: 'loop2' (000000000908e6ae): fill_kobj_path: path = '/devices/virtual/block/loop2'
RSP: 0018:ffff888060787938 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 000000000000012b RCX: ffffc90005deb000
RDX: 000000000000002c RSI: ffffffff85d0fd7e RDI: 0000000000000165
RBP: ffff888060787950 R08: ffff88805fd68100 R09: ffffed1015d25bc8
R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: 0000000000000000
R13: 0000000000000000 R14: 000000000000012b R15: ffff88809af78340
FS:  00007fb4cb859700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'loop4' (00000000b5dcb35f): kobject_uevent_env
CR2: 000000000073c000 CR3: 000000009f601000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kobject: 'loop4' (00000000b5dcb35f): fill_kobj_path: path = '/devices/virtual/block/loop4'
Call Trace:
netlink: 'syz-executor4': attribute type 5 has an invalid length.
 __mkroute_output net/ipv4/route.c:2260 [inline]
 ip_route_output_key_hash_rcu+0x89d/0x30e0 net/ipv4/route.c:2492
kobject: 'loop4' (00000000b5dcb35f): kobject_uevent_env
 ip_route_output_key_hash+0x212/0x380 net/ipv4/route.c:2321
kobject: 'loop4' (00000000b5dcb35f): fill_kobj_path: path = '/devices/virtual/block/loop4'
 __ip_route_output_key include/net/route.h:124 [inline]
 ip_route_connect include/net/route.h:302 [inline]
 tcp_v4_connect+0x7ec/0x1c40 net/ipv4/tcp_ipv4.c:233
netlink: 'syz-executor4': attribute type 5 has an invalid length.
 __inet_stream_connect+0x83f/0xea0 net/ipv4/af_inet.c:655
kobject: 'loop2' (000000000908e6ae): kobject_uevent_env
kobject: 'loop2' (000000000908e6ae): fill_kobj_path: path = '/devices/virtual/block/loop2'
 inet_stream_connect+0x58/0xa0 net/ipv4/af_inet.c:719
 __sys_connect+0x266/0x330 net/socket.c:1664
kobject: 'loop4' (00000000b5dcb35f): kobject_uevent_env
kobject: 'loop4' (00000000b5dcb35f): fill_kobj_path: path = '/devices/virtual/block/loop4'
 __do_sys_connect net/socket.c:1675 [inline]
 __se_sys_connect net/socket.c:1672 [inline]
 __x64_sys_connect+0x73/0xb0 net/socket.c:1672
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e39
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fb4cb858c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
kobject: 'loop2' (000000000908e6ae): kobject_uevent_env
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e39
RDX: 0000000000000010 RSI: 00000000200000c0 RDI: 0000000000000003
kobject: 'loop2' (000000000908e6ae): fill_kobj_path: path = '/devices/virtual/block/loop2'
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb4cb8596d4
R13: 00000000004be264 R14: 00000000004ce898 R15: 00000000ffffffff
Modules linked in:
kobject: 'loop4' (00000000b5dcb35f): kobject_uevent_env
kobject: 'loop4' (00000000b5dcb35f): fill_kobj_path: path = '/devices/virtual/block/loop4'
---[ end trace 4abb4d524c6cfa8e ]---
RIP: 0010:rt_cache_valid+0x33/0x190 net/ipv4/route.c:1510
Code: 31 e4 53 48 89 fb e8 4c de 9e fb 48 85 db 74 4f e8 42 de 9e fb 48 8d 7b 3a 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 07
kobject: 'loop1' (000000002fd4b943): kobject_uevent_env
RSP: 0018:ffff888060787938 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 000000000000012b RCX: ffffc90005deb000
RDX: 000000000000002c RSI: ffffffff85d0fd7e RDI: 0000000000000165
kobject: 'loop1' (000000002fd4b943): fill_kobj_path: path = '/devices/virtual/block/loop1'
RBP: ffff888060787950 R08: ffff88805fd68100 R09: ffffed1015d25bc8
kobject: 'loop3' (00000000f8196469): kobject_uevent_env
R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: 0000000000000000
kobject: 'loop3' (00000000f8196469): fill_kobj_path: path = '/devices/virtual/block/loop3'
R13: 0000000000000000 R14: 000000000000012b R15: ffff88809af78340
kobject: 'loop5' (000000007f9bae14): kobject_uevent_env
FS:  00007fb4cb859700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
kobject: 'loop5' (000000007f9bae14): fill_kobj_path: path = '/devices/virtual/block/loop5'
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'loop2' (000000000908e6ae): kobject_uevent_env
CR2: 00007fff3c1d6b90 CR3: 000000009f601000 CR4: 00000000001406e0
kobject: 'loop2' (000000000908e6ae): fill_kobj_path: path = '/devices/virtual/block/loop2'
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kobject: 'loop5' (000000007f9bae14): kobject_uevent_env
kobject: 'loop5' (000000007f9bae14): fill_kobj_path: path = '/devices/virtual/block/loop5'