linux-kernel - Re: [syzbot] [dri?] KASAN: slab-use-after-free Read in drm_atomic_helper_wait_for

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Date: Wed, 14 Feb 2024 03:55:04 -0800
From: syzbot <syzbot+0f999d26a4fd79c3a23b@...kaller.appspotmail.com>
To: hdanton@...a.com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [dri?] KASAN: slab-use-after-free Read in
 drm_atomic_helper_wait_for_vblanks (2)

Hello,

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

Reported-and-tested-by: syzbot+0f999d26a4fd79c3a23b@...kaller.appspotmail.com

Tested on:

commit:         7e90b5c2 Merge tag 'trace-tools-v6.8-rc4' of git://git..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=1790f698180000
kernel config:  https://syzkaller.appspot.com/x/.config?x=df82262440d95bc4
dashboard link: https://syzkaller.appspot.com/bug?extid=0f999d26a4fd79c3a23b
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=12fa241c180000

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