syzbot


general protection fault in batadv_iv_ogm_schedule

Status: auto-closed as invalid on 2020/07/17 09:16
Reported-by: syzbot+5bcd141e29e0145a9798@syzkaller.appspotmail.com
First crash: 884d, last: 827d
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream general protection fault in batadv_iv_ogm_schedule 2 853d 867d 17/22 fixed on 2020/04/15 17:19
upstream general protection fault in batadv_iv_ogm_schedule (2) 1 652d 652d 0/22 auto-closed as invalid on 2021/01/08 06:33

Sample crash report:
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 ]---

Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/03/19 09:16 linux-4.14.y 12cd844a39ed 2c31c529 .config log report
ci2-linux-4-14 2020/02/18 13:23 linux-4.14.y 98db2bf27b9e 012fbc32 .config log report
ci2-linux-4-14 2020/02/05 14:02 linux-4.14.y 9fa690a2a016 662cf49a .config log report
ci2-linux-4-14 2020/01/22 21:51 linux-4.14.y c1141b3aab36 3334d684 .config log report