netlink: 'syz-executor0': attribute type 3 has an invalid length.
netlink: 'syz-executor0': attribute type 2 has an invalid length.
bridge0: port 2(bridge_slave_1) entered disabled state
bridge0: port 1(bridge_slave_0) entered disabled state
WARNING: CPU: 1 PID: 9415 at net/netfilter/nfnetlink_cttimeout.c:478 cttimeout_default_get+0x1df/0xb30 net/netfilter/nfnetlink_cttimeout.c:478
Kernel panic - not syncing: panic_on_warn set ...
kobject: '0:44' (0000000024f23961): kobject_uevent_env
CPU: 1 PID: 9415 Comm: syz-executor0 Not tainted 4.20.0-rc1-next-20181109+ #110
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
kobject: '0:44' (0000000024f23961): fill_kobj_path: path = '/devices/virtual/bdi/0:44'
 panic+0x2ad/0x55c kernel/panic.c:188
kobject: '0:45' (000000004b29f62b): kobject_cleanup, parent           (null)
kobject: '0:45' (000000004b29f62b): calling ktype release
 __warn.cold.8+0x20/0x45 kernel/panic.c:540
 report_bug+0x254/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290
kobject: '0:44' (0000000024f23961): kobject_cleanup, parent           (null)
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:969
RIP: 0010:cttimeout_default_get+0x1df/0xb30 net/netfilter/nfnetlink_cttimeout.c:478
Code: 00 0f 87 8d 00 00 00 41 80 ff 06 0f 84 94 07 00 00 41 80 ff 11 0f 84 6c 07 00 00 41 80 ff 01 0f 84 44 07 00 00 e8 11 e5 21 fb <0f> 0b 41 bd a1 ff ff ff eb 06 41 bd a1 ff ff ff e8 fc e4 21 fb 48
kobject: '0:44' (0000000024f23961): calling ktype release
RSP: 0018:ffff88017a1e72b0 EFLAGS: 00010212
RAX: 0000000000040000 RBX: ffffffff88bfe400 RCX: ffffc90005dd5000
RDX: 0000000000015f3e RSI: ffffffff865dc39f RDI: 0000000000000001
RBP: ffff88017a1e73c0 R08: ffff88017a7e0440 R09: ffffed003b5e5b67
R10: 0000000000000002 R11: ffff8801daf2db3b R12: 000000000000002f
R13: ffff8801c9688780 R14: 0000000000000017 R15: 000000000000002f
kobject: '0:45': free name
kobject: '0:44': free name
 nfnetlink_rcv_msg+0xdd3/0x10c0 net/netfilter/nfnetlink.c:228
kobject: 'loop5' (00000000547815f5): kobject_uevent_env
kobject: 'loop5' (00000000547815f5): fill_kobj_path: path = '/devices/virtual/block/loop5'
device bridge0 left promiscuous mode
 netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2477
 nfnetlink_rcv+0x1c0/0x4d0 net/netfilter/nfnetlink.c:560
 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline]
 netlink_unicast+0x5a5/0x760 net/netlink/af_netlink.c:1336
 netlink_sendmsg+0xa18/0xfc0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xd5/0x120 net/socket.c:632
 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2117
bridge0: port 2(bridge_slave_1) entered blocking state
bridge0: port 2(bridge_slave_1) entered forwarding state
 __sys_sendmsg+0x11d/0x280 net/socket.c:2155
bridge0: port 1(bridge_slave_0) entered blocking state
bridge0: port 1(bridge_slave_0) entered forwarding state
kobject: 'loop2' (000000007fc3a38b): kobject_uevent_env
kobject: 'loop2' (000000007fc3a38b): fill_kobj_path: path = '/devices/virtual/block/loop2'
 __do_sys_sendmsg net/socket.c:2164 [inline]
 __se_sys_sendmsg net/socket.c:2162 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2162
device bridge0 entered promiscuous mode
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457569
Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f38e90bfc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569
RDX: 0000000000000000 RSI: 0000000020dddfc8 RDI: 0000000000000003
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f38e90c06d4
R13: 00000000004c3fea R14: 00000000004d6820 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..