general protection fault, probably for non-canonical address 0xed8670bbe0000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0x6c33a5df00000000-0x6c33a5df00000007]
CPU: 0 PID: 1078 Comm: kworker/u4:5 Not tainted 6.7.0-rc7-syzkaller-00003-gfbafc3e621c3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Workqueue: bat_events batadv_mcast_mla_update
RIP: 0010:batadv_mcast_mla_softif_get_ipv6 net/batman-adv/multicast.c:428 [inline]
RIP: 0010:batadv_mcast_mla_softif_get net/batman-adv/multicast.c:504 [inline]
RIP: 0010:__batadv_mcast_mla_update net/batman-adv/multicast.c:878 [inline]
RIP: 0010:batadv_mcast_mla_update+0x7b0/0x2e20 net/batman-adv/multicast.c:915
Code: ff df 48 c1 e8 03 4c 89 74 24 28 48 01 e8 48 89 44 24 20 e8 52 a4 3f f7 49 8d 7c 24 01 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 <0f> b6 04 28 38 d0 7f 08 84 c0 0f 85 76 25 00 00 45 0f b6 74 24 01
RSP: 0018:ffffc900046d7b50 EFLAGS: 00010202
RAX: 0d8674bbe0000000 RBX: 0000000000000001 RCX: ffffffff8a47d046
RDX: 0000000000000001 RSI: ffffffff8a47cd7e RDI: 6c33a5df00000001
RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: 6c33a5df00000000
R13: 0000000000000002 R14: ffff8880241231c0 R15: 0000000000003333
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f31ac6535e8 CR3: 000000006dd8c000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 process_one_work+0x886/0x15d0 kernel/workqueue.c:2627
 process_scheduled_works kernel/workqueue.c:2700 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2781
 kthread+0x2c6/0x3a0 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:242
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:batadv_mcast_mla_softif_get_ipv6 net/batman-adv/multicast.c:428 [inline]
RIP: 0010:batadv_mcast_mla_softif_get net/batman-adv/multicast.c:504 [inline]
RIP: 0010:__batadv_mcast_mla_update net/batman-adv/multicast.c:878 [inline]
RIP: 0010:batadv_mcast_mla_update+0x7b0/0x2e20 net/batman-adv/multicast.c:915
Code: ff df 48 c1 e8 03 4c 89 74 24 28 48 01 e8 48 89 44 24 20 e8 52 a4 3f f7 49 8d 7c 24 01 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 <0f> b6 04 28 38 d0 7f 08 84 c0 0f 85 76 25 00 00 45 0f b6 74 24 01
RSP: 0018:ffffc900046d7b50 EFLAGS: 00010202
RAX: 0d8674bbe0000000 RBX: 0000000000000001 RCX: ffffffff8a47d046
RDX: 0000000000000001 RSI: ffffffff8a47cd7e RDI: 6c33a5df00000001
RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: 6c33a5df00000000
R13: 0000000000000002 R14: ffff8880241231c0 R15: 0000000000003333
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff6afc6ba8 CR3: 000000007d0d2000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	df 48 c1             	fisttps -0x3f(%rax)
   3:	e8 03 4c 89 74       	call   0x74894c0b
   8:	24 28                	and    $0x28,%al
   a:	48 01 e8             	add    %rbp,%rax
   d:	48 89 44 24 20       	mov    %rax,0x20(%rsp)
  12:	e8 52 a4 3f f7       	call   0xf73fa469
  17:	49 8d 7c 24 01       	lea    0x1(%r12),%rdi
  1c:	48 89 f8             	mov    %rdi,%rax
  1f:	48 89 fa             	mov    %rdi,%rdx
  22:	48 c1 e8 03          	shr    $0x3,%rax
  26:	83 e2 07             	and    $0x7,%edx
* 29:	0f b6 04 28          	movzbl (%rax,%rbp,1),%eax <-- trapping instruction
  2d:	38 d0                	cmp    %dl,%al
  2f:	7f 08                	jg     0x39
  31:	84 c0                	test   %al,%al
  33:	0f 85 76 25 00 00    	jne    0x25af
  39:	45 0f b6 74 24 01    	movzbl 0x1(%r12),%r14d