bridge_slave_0: left allmulticast mode
bridge_slave_0: left promiscuous mode
bridge0: port 1(bridge_slave_0) entered disabled state
Oops: general protection fault, probably for non-canonical address 0xdffffc001fffe1ac: 0000 [#1] SMP KASAN PTI
KASAN: probably user-memory-access in range [0x00000000ffff0d60-0x00000000ffff0d67]
CPU: 1 UID: 0 PID: 5996 Comm: kworker/u8:9 Not tainted 6.16.0-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: netns cleanup_net
RIP: 0010:ip_mc_hash_remove net/ipv4/igmp.c:1431 [inline]
RIP: 0010:__ip_mc_dec_group+0x2fd/0x690 net/ipv4/igmp.c:1774
Code: c9 14 d0 f7 c6 05 a5 80 9a 05 01 48 c7 c7 00 86 9c 8c be 97 05 00 00 48 c7 c2 80 86 9c 8c e8 6a 53 ae f7 4c 89 e3 48 c1 eb 03 <42> 80 3c 2b 00 74 08 4c 89 e7 e8 d4 fb 2f f8 4d 8b 2c 24 4d 39 f5
RSP: 0018:ffffc90004ee7498 EFLAGS: 00010206
RAX: ffffffff89f010be RBX: 000000001fffe1ac RCX: ffff88807b5ada00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff88805982d820 R08: ffffffff8f509ea7 R09: 1ffffffff1ea13d4
R10: dffffc0000000000 R11: fffffbfff1ea13d5 R12: 00000000ffff0d60
R13: dffffc0000000000 R14: ffff888062de0000 R15: 1ffff1100b305b04
FS:  0000000000000000(0000) GS:ffff888125d57000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f657c183ad8 CR3: 000000004de1e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 inetdev_event+0x2a7/0x15b0 net/ipv4/devinet.c:1642
 notifier_call_chain+0x1b3/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2268 [inline]
 call_netdevice_notifiers net/core/dev.c:2282 [inline]
 dev_close_many+0x29c/0x410 net/core/dev.c:1785
 unregister_netdevice_many_notify+0x834/0x2320 net/core/dev.c:12047
 ops_exit_rtnl_list net/core/net_namespace.c:188 [inline]
 ops_undo_list+0x3dc/0x990 net/core/net_namespace.c:249
 cleanup_net+0x4c5/0x800 net/core/net_namespace.c:686
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3321
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402
 kthread+0x70e/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ip_mc_hash_remove net/ipv4/igmp.c:1431 [inline]
RIP: 0010:__ip_mc_dec_group+0x2fd/0x690 net/ipv4/igmp.c:1774
Code: c9 14 d0 f7 c6 05 a5 80 9a 05 01 48 c7 c7 00 86 9c 8c be 97 05 00 00 48 c7 c2 80 86 9c 8c e8 6a 53 ae f7 4c 89 e3 48 c1 eb 03 <42> 80 3c 2b 00 74 08 4c 89 e7 e8 d4 fb 2f f8 4d 8b 2c 24 4d 39 f5
RSP: 0018:ffffc90004ee7498 EFLAGS: 00010206
RAX: ffffffff89f010be RBX: 000000001fffe1ac RCX: ffff88807b5ada00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff88805982d820 R08: ffffffff8f509ea7 R09: 1ffffffff1ea13d4
R10: dffffc0000000000 R11: fffffbfff1ea13d5 R12: 00000000ffff0d60
R13: dffffc0000000000 R14: ffff888062de0000 R15: 1ffff1100b305b04
FS:  0000000000000000(0000) GS:ffff888125c57000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f54afdb5f40 CR3: 00000000213f6000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	c9                   	leave
   1:	14 d0                	adc    $0xd0,%al
   3:	f7 c6 05 a5 80 9a    	test   $0x9a80a505,%esi
   9:	05 01 48 c7 c7       	add    $0xc7c74801,%eax
   e:	00 86 9c 8c be 97    	add    %al,-0x68417364(%rsi)
  14:	05 00 00 48 c7       	add    $0xc7480000,%eax
  19:	c2 80 86             	ret    $0x8680
  1c:	9c                   	pushf
  1d:	8c e8                	mov    %gs,%eax
  1f:	6a 53                	push   $0x53
  21:	ae                   	scas   %es:(%rdi),%al
  22:	f7 4c 89 e3 48 c1 eb 	testl  $0x3ebc148,-0x1d(%rcx,%rcx,4)
  29:	03
* 2a:	42 80 3c 2b 00       	cmpb   $0x0,(%rbx,%r13,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 e7             	mov    %r12,%rdi
  34:	e8 d4 fb 2f f8       	call   0xf82ffc0d
  39:	4d 8b 2c 24          	mov    (%r12),%r13
  3d:	4d 39 f5             	cmp    %r14,%r13