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: 3286d, last: 3271d
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..
* Struck through repros no longer work on HEAD.