Re: [syzbot] KASAN: slab-out-of-bounds Read in do_wait_for_common

From: syzbot
Date: Wed Jul 21 2021 - 12:53:18 EST


Hello,

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

Reported-and-tested-by: syzbot+cc699626e48a6ebaf295@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 8cae8cd8 seq_file: disallow extremely large seq buffer..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=300aea483211c875
dashboard link: https://syzkaller.appspot.com/bug?extid=cc699626e48a6ebaf295
compiler: Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.1
patch: https://syzkaller.appspot.com/x/patch.diff?x=1174d0d4300000

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