Re: [syzbot] KASAN: use-after-free Read in r871xu_dev_remove

From: syzbot
Date: Wed Jul 21 2021 - 13:12:12 EST


Hello,

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

Reported-and-tested-by: syzbot+5872a520e0ce0a7c7230@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 8cae8cd8 seq_file: disallow extremely large seq buffer..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=f7dfeb6dfc05ea19
dashboard link: https://syzkaller.appspot.com/bug?extid=5872a520e0ce0a7c7230
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1
patch: https://syzkaller.appspot.com/x/patch.diff?x=11291aa2300000

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