bridge_slave_1: left promiscuous mode
bridge0: port 2(bridge_slave_1) entered disabled state
bridge_slave_0: left promiscuous mode
bridge0: port 1(bridge_slave_0) entered disabled state
Oops: general protection fault, probably for non-canonical address 0xfbd59c0000000024: 0000 [#1] SMP KASAN PTI
KASAN: maybe wild-memory-access in range [0xdead000000000120-0xdead000000000127]
CPU: 0 UID: 0 PID: 16566 Comm: kworker/u8:5 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: netns cleanup_net
RIP: 0010:br_del_frame+0xd1/0x160
Code: f7 4c 8b 73 10 48 83 c3 18 49 89 dd 49 c1 ed 03 43 80 7c 25 00 00 74 08 48 89 df e8 49 a7 93 f7 4c 8b 3b 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 20 a8 93 f7 4d 89 37 4d 85 f6 74
RSP: 0018:ffffc90008dc77e0 EFLAGS: 00010a06
RAX: 1bd5a00000000024 RBX: ffffffff9059e4d8 RCX: ffff888169eb0000
RDX: 0000000000000000 RSI: ffffffff9059e4c0 RDI: ffffffff9059e4d0
RBP: 000000000000001c R08: c200000000000000 R09: 0000000000000000
R10: 0000000000008000 R11: ffff88812103f928 R12: dffffc0000000000
R13: 1ffffffff20b3c9b R14: 0000000000000000 R15: dead000000000122
FS:  0000000000000000(0000) GS:ffff88818d949000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f91cff8 CR3: 0000000111b18000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 br_cfm_port_del+0x106/0x1a0
 del_nbp+0x178/0x9f0
 br_dev_delete+0x6e/0x130
 br_net_exit_rtnl+0xb1/0x120
 ops_undo_list+0x319/0x8d0
 cleanup_net+0x572/0x810
 process_scheduled_works+0xa8e/0x14e0
 worker_thread+0xa47/0xfb0
 kthread+0x388/0x470
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:br_del_frame+0xd1/0x160
Code: f7 4c 8b 73 10 48 83 c3 18 49 89 dd 49 c1 ed 03 43 80 7c 25 00 00 74 08 48 89 df e8 49 a7 93 f7 4c 8b 3b 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 20 a8 93 f7 4d 89 37 4d 85 f6 74
RSP: 0018:ffffc90008dc77e0 EFLAGS: 00010a06
RAX: 1bd5a00000000024 RBX: ffffffff9059e4d8 RCX: ffff888169eb0000
RDX: 0000000000000000 RSI: ffffffff9059e4c0 RDI: ffffffff9059e4d0
RBP: 000000000000001c R08: c200000000000000 R09: 0000000000000000
R10: 0000000000008000 R11: ffff88812103f928 R12: dffffc0000000000
R13: 1ffffffff20b3c9b R14: 0000000000000000 R15: dead000000000122
FS:  0000000000000000(0000) GS:ffff88818d949000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7614557e20 CR3: 0000000174f04000 CR4: 00000000000006f0
