linux-kernel - Re: [syzbot] KASAN: use-after-free Read in __snd_rawmidi_transmit

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Date:   Mon, 18 Apr 2022 19:25:10 -0700
From:   syzbot <syzbot+70e777a39907d6d5fd0a@...kaller.appspotmail.com>
To:     hdanton@...a.com, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] KASAN: use-after-free Read in __snd_rawmidi_transmit_peek

Hello,

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

Reported-and-tested-by: syzbot+70e777a39907d6d5fd0a@...kaller.appspotmail.com

Tested on:

commit:         a1994480 Merge tag 'hardening-v5.18-rc3' of git://git...
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/
kernel config:  https://syzkaller.appspot.com/x/.config?x=eb177500e563582f
dashboard link: https://syzkaller.appspot.com/bug?extid=70e777a39907d6d5fd0a
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
patch:          https://syzkaller.appspot.com/x/patch.diff?x=1096d994f00000

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