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: 1 PID: 21 Comm: kworker/u4:1 Not tainted 5.3.0-rc6-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/0xe50 net/batman-adv/bat_iv_ogm.c:605
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 99 0b 00 00
RSP: 0018:ffff8880b5157aa8 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff8880b4798b40 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: ffff8880b5157bc0 R08: ffff888098089b80 R09: 0000000000000001
R10: ffffed1016a2af8c R11: 0000000000000003 R12: ffff888098089b80
R13: dffffc0000000000 R14: ffffed101301137e R15: 000000000000003c
FS:  0000000000000000(0000) GS:ffff8880ba300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555e16f97618 CR3: 00000000a4248000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 batadv_iv_ogm_schedule+0xb47/0xe80 net/batman-adv/bat_iv_ogm.c:813
 batadv_iv_send_outstanding_bat_ogm_packet+0x570/0x7d0 net/batman-adv/bat_iv_ogm.c:1675
 process_one_work+0x7d2/0x1560 kernel/workqueue.c:2269
 worker_thread+0x85/0xb60 kernel/workqueue.c:2415
 kthread+0x331/0x3f0 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace c1b749d253670edc ]---
RIP: 0010:batadv_iv_ogm_queue_add+0x9b/0xe50 net/batman-adv/bat_iv_ogm.c:605
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 99 0b 00 00
RSP: 0018:ffff8880b5157aa8 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff8880b4798b40 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: ffff8880b5157bc0 R08: ffff888098089b80 R09: 0000000000000001
R10: ffffed1016a2af8c R11: 0000000000000003 R12: ffff888098089b80
R13: dffffc0000000000 R14: ffffed101301137e R15: 000000000000003c
FS:  0000000000000000(0000) GS:ffff8880ba200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555e16f9ff28 CR3: 00000000af9cd000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400