general protection fault, probably for non-canonical address 0xdffffc0080000002: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range [0x0000000400000010-0x0000000400000017]
CPU: 1 PID: 47 Comm: kworker/u4:3 Not tainted 6.5.0-rc7-syzkaller-00018-g89bf6209cad6 #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_deactivate lib/debugobjects.c:785 [inline]
RIP: 0010:debug_object_deactivate+0x175/0x320 lib/debugobjects.c:771
Code: da 48 c1 ea 03 80 3c 02 00 0f 85 54 01 00 00 48 8b 1b 48 85 db 0f 84 82 00 00 00 48 8d 7b 18 41 83 c4 01 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 11 01 00 00 4c 3b 7b 18 75 c4 48 8d 7b 10 48 b8
RSP: 0018:ffffc900001e0d40 EFLAGS: 00010013
RAX: dffffc0000000000 RBX: 00000003ffffffff RCX: ffffffff816785ee
RDX: 0000000080000002 RSI: 0000000000000012 RDI: 0000000400000017
RBP: ffffc900001e0e30 R08: 0000000000000001 R09: fffff5200003c196
R10: 0000000000000003 R11: ffffc900001e0ff8 R12: 0000000000000002
R13: 1ffff9200003c1ac R14: ffffffff8a6efbe0 R15: ffffc90005217c58
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007febd7a1493a CR3: 0000000017f80000 CR4: 0000000000350ee0
Call Trace:
 <IRQ>
 debug_hrtimer_deactivate kernel/time/hrtimer.c:427 [inline]
 debug_deactivate kernel/time/hrtimer.c:483 [inline]
 __run_hrtimer kernel/time/hrtimer.c:1656 [inline]
 __hrtimer_run_queues+0x470/0xc10 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1098 [inline]
 __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1115
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1109
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x8/0x20 kernel/kcov.c:290
Code: 00 00 f3 0f 1e fa 48 8b 0c 24 48 89 f2 48 89 fe bf 06 00 00 00 e9 f8 fe ff ff 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 8b 0c 24 <40> 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 e9 d6 fe ff ff 66 0f 1f 44
RSP: 0018:ffffc90000b87b40 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff888078d54278 RCX: ffffffff89fc52f4
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88807504c440
R13: ffffffff89fc47c0 R14: 0000000000000001 R15: 000000000000004f
 rcu_read_lock include/linux/rcupdate.h:750 [inline]
 batadv_nc_process_nc_paths.part.0+0x284/0x3f0 net/batman-adv/network-coding.c:687
 batadv_nc_process_nc_paths net/batman-adv/network-coding.c:679 [inline]
 batadv_nc_worker+0xd5b/0x10f0 net/batman-adv/network-coding.c:728
 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2600
 worker_thread+0x687/0x1110 kernel/workqueue.c:2751
 kthread+0x33a/0x430 kernel/kthread.c:389
 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
 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_deactivate lib/debugobjects.c:785 [inline]
RIP: 0010:debug_object_deactivate+0x175/0x320 lib/debugobjects.c:771
Code: da 48 c1 ea 03 80 3c 02 00 0f 85 54 01 00 00 48 8b 1b 48 85 db 0f 84 82 00 00 00 48 8d 7b 18 41 83 c4 01 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 11 01 00 00 4c 3b 7b 18 75 c4 48 8d 7b 10 48 b8
RSP: 0018:ffffc900001e0d40 EFLAGS: 00010013
RAX: dffffc0000000000 RBX: 00000003ffffffff RCX: ffffffff816785ee
RDX: 0000000080000002 RSI: 0000000000000012 RDI: 0000000400000017
RBP: ffffc900001e0e30 R08: 0000000000000001 R09: fffff5200003c196
R10: 0000000000000003 R11: ffffc900001e0ff8 R12: 0000000000000002
R13: 1ffff9200003c1ac R14: ffffffff8a6efbe0 R15: ffffc90005217c58
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007febd7a1493a CR3: 0000000017f80000 CR4: 0000000000350ee0
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	48 c1 ea 03          	shr    $0x3,%rdx
   4:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   8:	0f 85 54 01 00 00    	jne    0x162
   e:	48 8b 1b             	mov    (%rbx),%rbx
  11:	48 85 db             	test   %rbx,%rbx
  14:	0f 84 82 00 00 00    	je     0x9c
  1a:	48 8d 7b 18          	lea    0x18(%rbx),%rdi
  1e:	41 83 c4 01          	add    $0x1,%r12d
  22:	48 89 fa             	mov    %rdi,%rdx
  25:	48 c1 ea 03          	shr    $0x3,%rdx
* 29:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2d:	0f 85 11 01 00 00    	jne    0x144
  33:	4c 3b 7b 18          	cmp    0x18(%rbx),%r15
  37:	75 c4                	jne    0xfffffffd
  39:	48 8d 7b 10          	lea    0x10(%rbx),%rdi
  3d:	48                   	rex.W
  3e:	b8                   	.byte 0xb8