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general protection fault in batadv_iv_ogm_queue_add

Status: upstream: reported syz repro on 2019/11/03 07:10
Reported-by: syzbot+14f7416a2ac72145e08f@syzkaller.appspotmail.com
First crash: 1846d, last: 1707d
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream general protection fault in batadv_iv_ogm_queue_add batman 20 1845d 1859d 0/28 closed as dup on 2019/10/21 06:54
linux-4.19 general protection fault in batadv_iv_ogm_queue_add 4 1851d 1868d 0/1 auto-closed as invalid on 2020/02/25 18:51
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2022/12/10 08:31 9m retest repro linux-4.14.y report log
2022/12/09 22:31 9m retest repro linux-4.14.y report log
2022/12/09 20:31 10m retest repro linux-4.14.y report log
2022/12/09 05:31 10m retest repro linux-4.14.y report log
2022/12/09 04:31 10m retest repro linux-4.14.y report log
2022/12/09 02:31 9m retest repro linux-4.14.y report log
2022/12/08 17:31 11m retest repro linux-4.14.y report log
2022/08/28 09:27 13m retest repro linux-4.14.y report log
2022/08/28 08:27 17m retest repro linux-4.14.y report log
2022/08/28 05:27 14m retest repro linux-4.14.y report log

Sample crash report:
bridge0: port 2(bridge_slave_1) entered disabled state
bridge0: port 1(bridge_slave_0) entered disabled state
batman_adv: batadv0: Removing interface: batadv_slave_0
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
Modules linked in:
CPU: 0 PID: 7893 Comm: kworker/u4:6 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: ffff8880a0598200 task.stack: ffff8880a4970000
RIP: 0010:batadv_iv_ogm_queue_add+0x48/0xe00 net/batman-adv/bat_iv_ogm.c:778
RSP: 0018:ffff8880a4977b88 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff888089eeb7c0 RCX: ffff888089eeb7c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000006 R08: ffff888089eeb7c0 R09: 0000000000000001
R10: ffff8880a0598ad0 R11: ffff8880a0598200 R12: ffff88809a450e40
R13: ffff888089eeb7e8 R14: 0000000000000000 R15: 00000000fffffbbe
FS:  0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055acc22eaaf8 CR3: 00000000822d3000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 batadv_iv_ogm_schedule+0xa38/0xdf0 net/batman-adv/bat_iv_ogm.c:982
 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: 00 00 48 89 4c 24 08 4c 89 44 24 10 44 89 4c 24 20 e8 5d 9b 35 fb 49 8d 7e 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 c5 0b 00 
RIP: batadv_iv_ogm_queue_add+0x48/0xe00 net/batman-adv/bat_iv_ogm.c:778 RSP: ffff8880a4977b88
---[ end trace 30d56f71c38f5082 ]---

Crashes (502):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/03/15 18:57 linux-4.14.y 12cd844a39ed 749688d2 .config console log report syz ci2-linux-4-14
2020/03/09 12:44 linux-4.14.y 78d697fc93f9 2e9971bb .config console log report syz ci2-linux-4-14
2020/02/02 05:38 linux-4.14.y 9fa690a2a016 2274ad39 .config console log report syz ci2-linux-4-14
2020/01/25 13:18 linux-4.14.y 8bac50406cca 2e95ab33 .config console log report syz ci2-linux-4-14
2020/01/22 11:56 linux-4.14.y c1141b3aab36 8eda0b95 .config console log report syz ci2-linux-4-14
2020/01/22 08:33 linux-4.14.y c1141b3aab36 8eda0b95 .config console log report syz ci2-linux-4-14
2020/01/22 03:16 linux-4.14.y c1141b3aab36 8eda0b95 .config console log report syz ci2-linux-4-14
2020/03/20 09:44 linux-4.14.y 12cd844a39ed 2c31c529 .config console log report ci2-linux-4-14
2020/03/20 07:30 linux-4.14.y 12cd844a39ed 2c31c529 .config console log report ci2-linux-4-14
2020/03/20 01:31 linux-4.14.y 12cd844a39ed 2c31c529 .config console log report ci2-linux-4-14
2020/03/19 21:04 linux-4.14.y 12cd844a39ed 2c31c529 .config console log report ci2-linux-4-14
2020/03/19 14:42 linux-4.14.y 12cd844a39ed 2c31c529 .config console log report ci2-linux-4-14
2020/03/19 13:19 linux-4.14.y 12cd844a39ed 2c31c529 .config console log report ci2-linux-4-14
2020/03/19 10:54 linux-4.14.y 12cd844a39ed 2c31c529 .config console log report ci2-linux-4-14
2020/03/19 09:01 linux-4.14.y 12cd844a39ed 2c31c529 .config console log report ci2-linux-4-14
2020/03/19 00:32 linux-4.14.y 12cd844a39ed 2c31c529 .config console log report ci2-linux-4-14
2020/03/18 14:01 linux-4.14.y 12cd844a39ed 0a96a13c .config console log report ci2-linux-4-14
2020/03/18 08:55 linux-4.14.y 12cd844a39ed 97bc55ce .config console log report ci2-linux-4-14
2020/03/17 18:07 linux-4.14.y 12cd844a39ed 749688d2 .config console log report ci2-linux-4-14
2020/03/17 15:38 linux-4.14.y 12cd844a39ed 749688d2 .config console log report ci2-linux-4-14
2020/03/17 06:24 linux-4.14.y 12cd844a39ed 749688d2 .config console log report ci2-linux-4-14
2020/03/17 02:19 linux-4.14.y 12cd844a39ed 749688d2 .config console log report ci2-linux-4-14
2020/03/16 15:04 linux-4.14.y 12cd844a39ed 749688d2 .config console log report ci2-linux-4-14
2020/03/16 07:57 linux-4.14.y 12cd844a39ed 749688d2 .config console log report ci2-linux-4-14
2020/03/16 02:55 linux-4.14.y 12cd844a39ed 749688d2 .config console log report ci2-linux-4-14
2020/03/15 18:32 linux-4.14.y 12cd844a39ed 749688d2 .config console log report ci2-linux-4-14
2020/03/15 16:20 linux-4.14.y 12cd844a39ed 749688d2 .config console log report ci2-linux-4-14
2020/03/15 12:53 linux-4.14.y 12cd844a39ed 749688d2 .config console log report ci2-linux-4-14
2020/03/15 09:48 linux-4.14.y 12cd844a39ed 749688d2 .config console log report ci2-linux-4-14
2020/03/15 07:51 linux-4.14.y 12cd844a39ed 749688d2 .config console log report ci2-linux-4-14
2020/03/15 04:27 linux-4.14.y 12cd844a39ed 749688d2 .config console log report ci2-linux-4-14
2020/03/14 23:25 linux-4.14.y 12cd844a39ed 749688d2 .config console log report ci2-linux-4-14
2020/03/14 22:13 linux-4.14.y 12cd844a39ed 749688d2 .config console log report ci2-linux-4-14
2020/03/14 10:54 linux-4.14.y 12cd844a39ed 749688d2 .config console log report ci2-linux-4-14
2020/03/12 09:44 linux-4.14.y 12cd844a39ed d850e9d0 .config console log report ci2-linux-4-14
2020/03/12 05:32 linux-4.14.y 12cd844a39ed d850e9d0 .config console log report ci2-linux-4-14
2020/03/11 06:17 linux-4.14.y 78d697fc93f9 35f53e45 .config console log report ci2-linux-4-14
2020/03/10 17:46 linux-4.14.y 78d697fc93f9 35f53e45 .config console log report ci2-linux-4-14
2020/03/10 04:00 linux-4.14.y 78d697fc93f9 35f53e45 .config console log report ci2-linux-4-14
2020/03/09 14:47 linux-4.14.y 78d697fc93f9 35f53e45 .config console log report ci2-linux-4-14
2020/03/09 09:16 linux-4.14.y 78d697fc93f9 2e9971bb .config console log report ci2-linux-4-14
2020/03/09 05:46 linux-4.14.y 78d697fc93f9 2e9971bb .config console log report ci2-linux-4-14
2020/03/08 23:53 linux-4.14.y 78d697fc93f9 2e9971bb .config console log report ci2-linux-4-14
2020/03/08 05:34 linux-4.14.y 78d697fc93f9 2e9971bb .config console log report ci2-linux-4-14
2020/03/06 17:52 linux-4.14.y 78d697fc93f9 7fb694ef .config console log report ci2-linux-4-14
2020/03/06 01:45 linux-4.14.y 78d697fc93f9 b655d91b .config console log report ci2-linux-4-14
2020/03/06 00:45 linux-4.14.y 78d697fc93f9 b655d91b .config console log report ci2-linux-4-14
2020/03/05 21:27 linux-4.14.y 78d697fc93f9 b655d91b .config console log report ci2-linux-4-14
2020/03/05 06:51 linux-4.14.y 78d697fc93f9 576fb9bc .config console log report ci2-linux-4-14
2019/11/03 06:09 linux-4.14.y ddef1e8e3f6e d603afc9 .config console log report ci2-linux-4-14
* Struck through repros no longer work on HEAD.