bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 14586 Comm: syz.0.2343 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:llc_conn_state_process+0xd09/0x1360 net/llc/llc_conn.c:-1
Code: 4c 89 f7 e8 19 e7 cf f8 31 c0 84 db 0f 94 c0 4d 8b 36 8d 5c 00 01 b8 01 00 00 00 bd 07 00 00 00 0f 44 e8 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 0e 06 00 00 41 89 1e 43 0f b6 04 2c 84
RSP: 0018:ffffc90000a08b70 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000100
RDX: ffff888029e6db80 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 0000000000000007 R08: ffff888029e6db80 R09: 0000000000000005
R10: 0000000000000005 R11: 0000000000000100 R12: 1ffff110041d3802
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888020e9c012
FS:  00007fed271dc6c0(0000) GS:ffff888125f35000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc7904294ac CR3: 000000007d9bc000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 llc_process_tmr_ev net/llc/llc_c_ac.c:1448 [inline]
 llc_conn_tmr_common_cb+0x34a/0x830 net/llc/llc_c_ac.c:1331
 call_timer_fn+0x16e/0x590 kernel/time/timer.c:1748
 expire_timers kernel/time/timer.c:1799 [inline]
 __run_timers kernel/time/timer.c:2373 [inline]
 __run_timer_base+0x61a/0x860 kernel/time/timer.c:2385
 run_timer_base kernel/time/timer.c:2394 [inline]
 run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2404
 handle_softirqs+0x27d/0x850 kernel/softirq.c:622
 do_softirq+0xec/0x180 kernel/softirq.c:523
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:450
 sock_orphan include/net/sock.h:2120 [inline]
 llc_ui_release+0x3cd/0x4a0 net/llc/af_llc.c:229
 __sock_release net/socket.c:662 [inline]
 sock_close+0xc3/0x240 net/socket.c:1455
 __fput+0x44c/0xa70 fs/file_table.c:468
 task_work_run+0x1d4/0x260 kernel/task_work.c:233
 get_signal+0x11ec/0x1340 kernel/signal.c:2807
 arch_do_signal_or_restart+0x9a/0x7a0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline]
 exit_to_user_mode_loop+0x87/0x4f0 kernel/entry/common.c:75
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
 do_syscall_64+0x2d0/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fed2638f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fed271dc038 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: fffffffffffffe00 RBX: 00007fed265e5fa0 RCX: 00007fed2638f749
RDX: 0000000000000010 RSI: 00002000000001c0 RDI: 0000000000000006
RBP: 00007fed26413f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fed265e6038 R14: 00007fed265e5fa0 R15: 00007ffcbef0c188
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:llc_conn_state_process+0xd09/0x1360 net/llc/llc_conn.c:-1
Code: 4c 89 f7 e8 19 e7 cf f8 31 c0 84 db 0f 94 c0 4d 8b 36 8d 5c 00 01 b8 01 00 00 00 bd 07 00 00 00 0f 44 e8 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 0e 06 00 00 41 89 1e 43 0f b6 04 2c 84
RSP: 0018:ffffc90000a08b70 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000100
RDX: ffff888029e6db80 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 0000000000000007 R08: ffff888029e6db80 R09: 0000000000000005
R10: 0000000000000005 R11: 0000000000000100 R12: 1ffff110041d3802
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888020e9c012
FS:  00007fed271dc6c0(0000) GS:ffff888125f35000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc7904294ac CR3: 000000007d9bc000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	4c 89 f7             	mov    %r14,%rdi
   3:	e8 19 e7 cf f8       	call   0xf8cfe721
   8:	31 c0                	xor    %eax,%eax
   a:	84 db                	test   %bl,%bl
   c:	0f 94 c0             	sete   %al
   f:	4d 8b 36             	mov    (%r14),%r14
  12:	8d 5c 00 01          	lea    0x1(%rax,%rax,1),%ebx
  16:	b8 01 00 00 00       	mov    $0x1,%eax
  1b:	bd 07 00 00 00       	mov    $0x7,%ebp
  20:	0f 44 e8             	cmove  %eax,%ebp
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 0e 06 00 00    	jne    0x645
  37:	41 89 1e             	mov    %ebx,(%r14)
  3a:	43 0f b6 04 2c       	movzbl (%r12,%r13,1),%eax
  3f:	84                   	.byte 0x84