Re: KASAN: use-after-free Read in rds_cong_queue_updates (2)

From: Santosh Shilimkar
Date: Mon Jul 23 2018 - 13:39:13 EST


On 7/23/2018 10:30 AM, syzbot wrote:
Hello,

syzbot found the following crash on:

HEAD commit:ÂÂÂ fcf4793e278e tls: check RCV_SHUTDOWN in tls_wait_data
git tree:ÂÂÂÂÂÂ net
console output: https://syzkaller.appspot.com/x/log.txt?x=1738cb2c400000
kernel config:Â https://syzkaller.appspot.com/x/.config?x=c0bdc4175608181c
dashboard link: https://syzkaller.appspot.com/bug?extid=470ae97a39f16146af45
compiler:ÂÂÂÂÂÂ gcc (GCC) 8.0.1 20180413 (experimental)

Unfortunately, I don't have any reproducer for this crash yet.

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+470ae97a39f16146af45@xxxxxxxxxxxxxxxxxxxxxxxxx

dup: syzbot+4c20b3866171ce8441d2@xxxxxxxxxxxxxxxxxxxxxxxxx