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

From: syzbot
Date: Wed Mar 18 2020 - 23:48:05 EST


syzbot has bisected this bug to:

commit 5f71c84038d39def573744a145c573758f52a949
Author: Prashant Malani <pmalani@xxxxxxxxxxxx>
Date: Tue Oct 1 08:35:57 2019 +0000

r8152: Factor out OOB link list waits

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15f5b973e00000
start commit: 63623fd4 Merge tag 'for-linus' of git://git.kernel.org/pub..
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=17f5b973e00000
console output: https://syzkaller.appspot.com/x/log.txt?x=13f5b973e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=5d2e033af114153f
dashboard link: https://syzkaller.appspot.com/bug?extid=a66a7c2e996797bb4acb
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13c25a81e00000

Reported-by: syzbot+a66a7c2e996797bb4acb@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 5f71c84038d3 ("r8152: Factor out OOB link list waits")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection