lkml.org 
[lkml]   [2020]   [Aug]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectKASAN: use-after-free Read in corrupted (4)
From
Hello,

syzbot found the following issue on:

HEAD commit: d6efb3ac Merge tag 'tty-5.9-rc1' of git://git.kernel.org/p..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=172b6976900000
kernel config: https://syzkaller.appspot.com/x/.config?x=ff87594cecb7e666
dashboard link: https://syzkaller.appspot.com/bug?extid=48135e34de22e3a82c99
compiler: gcc (GCC) 10.1.0-syz 20200507
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1373613a900000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+48135e34de22e3a82c99@syzkaller.appspotmail.com

netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
==================================================================
BUG: KASAN: use-after-free in __lock_acquire+0x41d0/0x5640 kernel/locking/lockdep.c:4296
Read of size 8 at addr ffff8880936320a0 by task syz-executor.0/6858

CPU: 1 PID: 6858 Comm: syz-executor.0 Not tainted 5.8.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
dump_sta


---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.

syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot can test patches for this issue, for details see:
https://goo.gl/tpsmEJ#testing-patches

\
 
 \ /
  Last update: 2020-08-11 14:47    [W:0.062 / U:3.580 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site