bond0 (unregistering): Released all slaves
batman_adv: batadv0: Interface deactivated: batadv_slave_0
batman_adv: batadv0: Removing interface: batadv_slave_0
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 4.19.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
RIP: 0010:batadv_iv_ogm_queue_add+0x9b/0xec0 net/batman-adv/bat_iv_ogm.c:612
Code: 44 89 8d 64 ff ff ff c7 02 f1 f1 f1 f1 c7 42 04 04 f2 f2 f2 48 89 fa 65 48 8b 0c 25 28 00 00 00 48 89 4d d0 31 c9 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 cb 0b 00 00
RSP: 0018:ffff8800b40d7ac0 EFLAGS: 00010256
RAX: dffffc0000000000 RBX: ffff8800ab433180 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: ffff8800b40d7bd8 R08: ffff8800ab433180 R09: 0000000000000001
R10: ffffed001681af8f R11: 0000000000000003 R12: ffff8800ab433180
R13: dffffc0000000000 R14: ffff8800ab7b2bc0 R15: 000000000000003c
FS:  0000000000000000(0000) GS:ffff8800ba200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b333379148 CR3: 000000009f54e000 CR4: 0000000000340ef0
Call Trace:
 batadv_iv_ogm_schedule+0xb47/0xe80 net/batman-adv/bat_iv_ogm.c:820
 batadv_iv_send_outstanding_bat_ogm_packet+0x4a2/0x7a0 net/batman-adv/bat_iv_ogm.c:1682
 process_one_work+0x7b9/0x14f0 kernel/workqueue.c:2153
 worker_thread+0x85/0xb60 kernel/workqueue.c:2296
 kthread+0x324/0x3e0 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:413
Modules linked in:
---[ end trace 5f3aadc9215c1ec3 ]---
RIP: 0010:batadv_iv_ogm_queue_add+0x9b/0xec0 net/batman-adv/bat_iv_ogm.c:612
Code: 44 89 8d 64 ff ff ff c7 02 f1 f1 f1 f1 c7 42 04 04 f2 f2 f2 48 89 fa 65 48 8b 0c 25 28 00 00 00 48 89 4d d0 31 c9 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 cb 0b 00 00
RSP: 0018:ffff8800b40d7ac0 EFLAGS: 00010256
RAX: dffffc0000000000 RBX: ffff8800ab433180 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: ffff8800b40d7bd8 R08: ffff8800ab433180 R09: 0000000000000001
R10: ffffed001681af8f R11: 0000000000000003 R12: ffff8800ab433180
R13: dffffc0000000000 R14: ffff8800ab7b2bc0 R15: 000000000000003c
FS:  0000000000000000(0000) GS:ffff8800ba200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b333379148 CR3: 000000009f54e000 CR4: 0000000000340ef0
----------------
Code disassembly (best guess):
   0:	44 89 8d 64 ff ff ff 	mov    %r9d,-0x9c(%rbp)
   7:	c7 02 f1 f1 f1 f1    	movl   $0xf1f1f1f1,(%rdx)
   d:	c7 42 04 04 f2 f2 f2 	movl   $0xf2f2f204,0x4(%rdx)
  14:	48 89 fa             	mov    %rdi,%rdx
  17:	65 48 8b 0c 25 28 00 	mov    %gs:0x28,%rcx
  1e:	00 00
  20:	48 89 4d d0          	mov    %rcx,-0x30(%rbp)
  24:	31 c9                	xor    %ecx,%ecx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	0f b6 04 02          	movzbl (%rdx,%rax,1),%eax <-- trapping instruction
  2e:	48 89 fa             	mov    %rdi,%rdx
  31:	83 e2 07             	and    $0x7,%edx
  34:	38 d0                	cmp    %dl,%al
  36:	7f 08                	jg     0x40
  38:	84 c0                	test   %al,%al
  3a:	0f 85 cb 0b 00 00    	jne    0xc0b