general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 7598 Comm: kworker/u4:5 Not tainted 4.14.173-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 task: ffff8880566943c0 task.stack: ffff8880566a0000 RIP: 0010:batadv_iv_ogm_schedule+0x247/0xdf0 net/batman-adv/bat_iv_ogm.c:951 RSP: 0018:ffff8880566a7c40 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: 0000000000006c00 RCX: 1ffff1100acd2991 RDX: 0000000000000002 RSI: ffff888056694c68 RDI: 0000000000000016 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000007 R13: ffff88808de768c0 R14: ffff8880a4b77cc0 R15: ffff8880a4b77cc0 FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020418340 CR3: 0000000056654000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: batadv_iv_send_outstanding_bat_ogm_packet+0x4ad/0x6a0 net/batman-adv/bat_iv_ogm.c:1809 process_one_work+0x813/0x1540 kernel/workqueue.c:2114 worker_thread+0x5d1/0x1070 kernel/workqueue.c:2248 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Code: df 48 c1 ea 03 80 3c 02 00 0f 85 7f 0b 00 00 49 8b af 80 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7d 16 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 RIP: batadv_iv_ogm_schedule+0x247/0xdf0 net/batman-adv/bat_iv_ogm.c:951 RSP: ffff8880566a7c40 ---[ end trace 373d8afef9ac426f ]---