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: 19012 Comm: kworker/u4:8 Not tainted 5.3.0-rc3-next-20190807 #61 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+0x49/0x1120 net/batman-adv/bat_iv_ogm.c:599 Code: 48 89 75 b8 48 89 4d c0 4c 89 45 b0 44 89 4d d0 e8 9c 8a 52 fa 48 8d 7b 03 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 18 0d 00 00 RSP: 0018:ffff888064c9fb78 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff88808fae6d00 RDX: 0000000000000000 RSI: ffffffff871f8214 RDI: 0000000000000003 RBP: ffff888064c9fc10 R08: ffff88808fae6d00 R09: 0000000000000001 R10: ffffed10110cad1f R11: ffff8880886568ff R12: ffff8880886568fc R13: 000000010000cef0 R14: ffff88808fae6d00 R15: 000000010000cf56 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001c58000 CR3: 000000009a94c000 CR4: 00000000001426f0 Call Trace: batadv_iv_ogm_schedule+0x783/0xe50 net/batman-adv/bat_iv_ogm.c:791 batadv_iv_send_outstanding_bat_ogm_packet+0x5ba/0x760 net/batman-adv/bat_iv_ogm.c:1669 process_one_work+0x9af/0x1740 kernel/workqueue.c:2269 worker_thread+0x98/0xe40 kernel/workqueue.c:2415 kthread+0x361/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace 23ab42c1282b7591 ]--- RIP: 0010:batadv_iv_ogm_queue_add+0x49/0x1120 net/batman-adv/bat_iv_ogm.c:599 Code: 48 89 75 b8 48 89 4d c0 4c 89 45 b0 44 89 4d d0 e8 9c 8a 52 fa 48 8d 7b 03 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 18 0d 00 00 RSP: 0018:ffff888064c9fb78 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff88808fae6d00 RDX: 0000000000000000 RSI: ffffffff871f8214 RDI: 0000000000000003 RBP: ffff888064c9fc10 R08: ffff88808fae6d00 R09: 0000000000000001 R10: ffffed10110cad1f R11: ffff8880886568ff R12: ffff8880886568fc R13: 000000010000cef0 R14: ffff88808fae6d00 R15: 000000010000cf56 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001c58000 CR3: 000000009a94c000 CR4: 00000000001426f0