general protection fault, probably for non-canonical address 0xdffffc007ffff113: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range [0x00000003ffff8898-0x00000003ffff889f]
CPU: 1 PID: 76 Comm: kworker/u4:4 Not tainted 6.5.0-syzkaller-12567-g2ab35ce202f8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: bat_events batadv_nc_worker
RIP: 0010:lookup_object lib/debugobjects.c:195 [inline]
RIP: 0010:debug_object_active_state lib/debugobjects.c:969 [inline]
RIP: 0010:debug_object_active_state+0x17d/0x350 lib/debugobjects.c:954
Code: 1a 48 89 d8 48 c1 e8 03 42 80 3c 28 00 0f 85 44 01 00 00 48 8b 1b 48 85 db 74 69 48 8d 7b 18 41 83 c4 01 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 fc 00 00 00 4c 3b 73 18 75 c6 48 8d 7b 10 48
RSP: 0018:ffffc900001f0d30 EFLAGS: 00010012
RAX: 000000007ffff113 RBX: 00000003ffff8880 RCX: 0000000000000000
RDX: 1ffffffff2490641 RSI: 0000000000000212 RDI: 00000003ffff8898
RBP: ffffc900001f0e18 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000003 R11: ffffc900001f0ff8 R12: 0000000000000003
R13: dffffc0000000000 R14: ffff888028967e10 R15: 1ffff9200003e1aa
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd1cac66e4 CR3: 0000000067841000 CR4: 0000000000350ee0
Call Trace:
 <IRQ>
 debug_rcu_head_unqueue kernel/rcu/rcu.h:235 [inline]
 rcu_do_batch kernel/rcu/tree.c:2132 [inline]
 rcu_core+0x7a3/0x1bb0 kernel/rcu/tree.c:2403
 __do_softirq+0x218/0x965 kernel/softirq.c:553
 do_softirq kernel/softirq.c:454 [inline]
 do_softirq+0xaa/0xe0 kernel/softirq.c:441
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0xf8/0x120 kernel/softirq.c:381
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 batadv_nc_purge_paths+0x1ce/0x3c0 net/batman-adv/network-coding.c:471
 batadv_nc_worker+0x986/0x10f0 net/batman-adv/network-coding.c:720
 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:lookup_object lib/debugobjects.c:195 [inline]
RIP: 0010:debug_object_active_state lib/debugobjects.c:969 [inline]
RIP: 0010:debug_object_active_state+0x17d/0x350 lib/debugobjects.c:954
Code: 1a 48 89 d8 48 c1 e8 03 42 80 3c 28 00 0f 85 44 01 00 00 48 8b 1b 48 85 db 74 69 48 8d 7b 18 41 83 c4 01 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 fc 00 00 00 4c 3b 73 18 75 c6 48 8d 7b 10 48
RSP: 0018:ffffc900001f0d30 EFLAGS: 00010012

RAX: 000000007ffff113 RBX: 00000003ffff8880 RCX: 0000000000000000
RDX: 1ffffffff2490641 RSI: 0000000000000212 RDI: 00000003ffff8898
RBP: ffffc900001f0e18 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000003 R11: ffffc900001f0ff8 R12: 0000000000000003
R13: dffffc0000000000 R14: ffff888028967e10 R15: 1ffff9200003e1aa
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd1cac66e4 CR3: 0000000067841000 CR4: 0000000000350ee0
----------------
Code disassembly (best guess):
   0:	1a 48 89             	sbb    -0x77(%rax),%cl
   3:	d8 48 c1             	fmuls  -0x3f(%rax)
   6:	e8 03 42 80 3c       	call   0x3c80420e
   b:	28 00                	sub    %al,(%rax)
   d:	0f 85 44 01 00 00    	jne    0x157
  13:	48 8b 1b             	mov    (%rbx),%rbx
  16:	48 85 db             	test   %rbx,%rbx
  19:	74 69                	je     0x84
  1b:	48 8d 7b 18          	lea    0x18(%rbx),%rdi
  1f:	41 83 c4 01          	add    $0x1,%r12d
  23:	48 89 f8             	mov    %rdi,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1) <-- trapping instruction
  2f:	0f 85 fc 00 00 00    	jne    0x131
  35:	4c 3b 73 18          	cmp    0x18(%rbx),%r14
  39:	75 c6                	jne    0x1
  3b:	48 8d 7b 10          	lea    0x10(%rbx),%rdi
  3f:	48                   	rex.W