Re: KASAN: slab-out-of-bounds Read in ovl_check_fb_len

From: syzbot
Date: Sat May 23 2020 - 07:33:30 EST


Hello,

syzbot has tested the proposed patch and the reproducer did not trigger crash:

Reported-and-tested-by: syzbot+61958888b1c60361a791@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 30981015 ovl: fix out of bounds access warning in ovl_chec..
git tree: https://github.com/amir73il/linux.git ovl-fixes
kernel config: https://syzkaller.appspot.com/x/.config?x=b3368ce0cc5f5ace
dashboard link: https://syzkaller.appspot.com/bug?extid=61958888b1c60361a791
compiler: gcc (GCC) 9.0.0 20181231 (experimental)

Note: testing is done by a robot and is best-effort only.