syzbot


BUG: unable to handle kernel NULL pointer dereference at ADDR

Status: fixed on 2017/10/24 06:54
Fix commit: 3fd871270732 strparser: initialize all callbacks
First crash: 2434d, last: 2419d

Sample crash report:
IP: 0x286
PGD 0 
P4D 0 

Oops: 0010 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 34 Comm: kworker/u4:2 Not tainted 4.13.0-rc6+ #18
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: kstrp strp_work
task: ffff8801d99540c0 task.stack: ffff8801d9960000
RIP: 0010:0x286
RSP: 0018:ffff8801d9967540 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff8801d5ec5d60 RCX: 0000000000000000
RDX: 1ffff1003abd8bbd RSI: ffffffff85b38240 RDI: ffff8801d5ec5c48
RBP: ffff8801d9967558 R08: ffffffff866ad872 R09: 0000000000000000
R10: ffff8801d9967438 R11: 0000000000000001 R12: ffff8801d5ec5c48
R13: ffff8801d9805718 R14: ffff8801d9967980 R15: ffff8801d9805700
FS:  0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000286 CR3: 0000000005a22000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 process_one_work+0xbf3/0x1bc0 kernel/workqueue.c:2097
 worker_thread+0x223/0x1860 kernel/workqueue.c:2231
 kthread+0x35e/0x430 kernel/kthread.c:231
 ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:425
Code:  Bad RIP value.
RIP: 0x286 RSP: ffff8801d9967540
CR2: 0000000000000286
---[ end trace 2def06b95cc33aaa ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (63):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2017/08/22 18:10 net-next-old e2a7c34fb285 f238fbd4 .config console log report syz C ci-upstream-net-kasan-gce
2017/08/20 01:59 net-next-old 91558e76c8f1 f238fbd4 .config console log report syz C ci-upstream-net-kasan-gce
2017/08/19 09:06 net-next-old 1547f538c145 4802b0fb .config console log report syz C ci-upstream-net-kasan-gce
2017/08/13 03:17 net-next-old aa69ff9e9c32 360f0528 .config console log report syz C ci-upstream-net-kasan-gce
2017/08/28 07:14 linux-next 7159188b70e3 4074aed7 .config console log report syz C ci-upstream-next-kasan-gce
2017/08/28 06:59 linux-next 7159188b70e3 4074aed7 .config console log report syz C ci-upstream-next-kasan-gce
2017/08/23 11:33 linux-next cc6d46bb99b5 f238fbd4 .config console log report syz C ci-upstream-next-kasan-gce
2017/08/23 09:35 linux-next cc6d46bb99b5 f238fbd4 .config console log report syz C ci-upstream-next-kasan-gce
2017/08/20 01:59 linux-next bb70832dd42b f238fbd4 .config console log report syz C ci-upstream-next-kasan-gce
2017/08/20 01:44 linux-next bb70832dd42b f238fbd4 .config console log report syz C ci-upstream-next-kasan-gce
2017/08/19 09:07 linux-next bb70832dd42b f238fbd4 .config console log report syz C ci-upstream-next-kasan-gce
2017/08/19 08:51 linux-next bb70832dd42b f238fbd4 .config console log report syz C ci-upstream-next-kasan-gce
2017/08/17 07:47 linux-next bb70832dd42b f238fbd4 .config console log report syz C skylake-linux-next-kasan-qemu
2017/08/17 07:26 linux-next bb70832dd42b f238fbd4 .config console log report syz C skylake-linux-next-kasan-qemu
2017/08/17 07:15 linux-next bb70832dd42b f238fbd4 .config console log report syz C skylake-linux-next-kasan-qemu
2017/08/13 04:22 linux-next 91dfed74eabc 6a0246bf .config console log report syz C skylake-linux-next-kasan-qemu
2017/08/24 08:31 net-next-old 110d8465a66a 3f1aca48 .config console log report ci-upstream-net-kasan-gce
2017/08/24 08:03 net-next-old 110d8465a66a 3f1aca48 .config console log report ci-upstream-net-kasan-gce
2017/08/19 04:00 net-next-old 1547f538c145 4802b0fb .config console log report ci-upstream-net-kasan-gce
2017/08/16 22:19 net-next-old 251564f601a2 f93be584 .config console log report ci-upstream-net-kasan-gce
2017/08/28 09:16 linux-next 7159188b70e3 4074aed7 .config console log report ci-upstream-next-kasan-gce
2017/08/28 09:15 linux-next 7159188b70e3 4074aed7 .config console log report ci-upstream-next-kasan-gce
2017/08/28 08:41 linux-next 7159188b70e3 4074aed7 .config console log report ci-upstream-next-kasan-gce
2017/08/28 07:54 linux-next 7159188b70e3 4074aed7 .config console log report ci-upstream-next-kasan-gce
2017/08/28 07:40 linux-next 7159188b70e3 4074aed7 .config console log report ci-upstream-next-kasan-gce
2017/08/28 07:00 linux-next 7159188b70e3 4074aed7 .config console log report ci-upstream-next-kasan-gce
2017/08/28 03:15 linux-next 7159188b70e3 4074aed7 .config console log report ci-upstream-next-kasan-gce
2017/08/27 22:21 linux-next 7159188b70e3 4074aed7 .config console log report ci-upstream-next-kasan-gce
2017/08/27 11:43 linux-next 7159188b70e3 4074aed7 .config console log report skylake-linux-next-kasan-qemu
2017/08/27 09:20 linux-next 7159188b70e3 4074aed7 .config console log report ci-upstream-next-kasan-gce
2017/08/27 09:20 linux-next 7159188b70e3 4074aed7 .config console log report ci-upstream-next-kasan-gce
2017/08/27 05:42 linux-next 7159188b70e3 4074aed7 .config console log report ci-upstream-next-kasan-gce
2017/08/25 16:28 linux-next 7159188b70e3 4074aed7 .config console log report ci-upstream-next-kasan-gce
2017/08/25 16:28 linux-next 7159188b70e3 4074aed7 .config console log report ci-upstream-next-kasan-gce
2017/08/24 09:31 linux-next 9506597de2cd 3f1aca48 .config console log report ci-upstream-next-kasan-gce
2017/08/20 01:13 linux-next bb70832dd42b f238fbd4 .config console log report ci-upstream-next-kasan-gce
* Struck through repros no longer work on HEAD.