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 5.4.0-rc4+ #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+0x47/0xbc0 net/batman-adv/bat_iv_ogm.c:605 Code: 89 4d b8 41 89 d6 48 89 f3 49 89 fc 49 bf 00 00 00 00 00 fc ff df e8 f8 0c 1c fa 48 89 5d a0 48 83 c3 03 48 89 d8 48 c1 e8 03 <42> 8a 04 38 84 c0 0f 85 eb 09 00 00 0f b6 33 83 e6 04 31 ff 89 75 RSP: 0018:ffff8880a988fad8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffff8880a98821c0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805f334b40 RBP: ffff8880a988fb80 R08: ffff88805be71000 R09: 0000000000000001 R10: ffffed100be66970 R11: 0000000000000000 R12: ffff88805f334b40 R13: dffffc0000000000 R14: 0000000000000018 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f378adc8000 CR3: 000000009483d000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: batadv_iv_ogm_schedule+0x711/0xaf0 net/batman-adv/bat_iv_ogm.c:797 batadv_iv_send_outstanding_bat_ogm_packet+0x665/0x770 net/batman-adv/bat_iv_ogm.c:1675 process_one_work+0x7ef/0x10e0 kernel/workqueue.c:2269 worker_thread+0xc01/0x1630 kernel/workqueue.c:2415 kthread+0x332/0x350 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace af3b943e338393c9 ]--- RIP: 0010:batadv_iv_ogm_queue_add+0x47/0xbc0 net/batman-adv/bat_iv_ogm.c:605 Code: 89 4d b8 41 89 d6 48 89 f3 49 89 fc 49 bf 00 00 00 00 00 fc ff df e8 f8 0c 1c fa 48 89 5d a0 48 83 c3 03 48 89 d8 48 c1 e8 03 <42> 8a 04 38 84 c0 0f 85 eb 09 00 00 0f b6 33 83 e6 04 31 ff 89 75 RSP: 0018:ffff8880a988fad8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffff8880a98821c0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88805f334b40 RBP: ffff8880a988fb80 R08: ffff88805be71000 R09: 0000000000000001 R10: ffffed100be66970 R11: 0000000000000000 R12: ffff88805f334b40 R13: dffffc0000000000 R14: 0000000000000018 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f378adc8000 CR3: 000000009483d000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400