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

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Message-ID: <678c71bd.050a0220.303755.0043.GAE@google.com>
Date: Sat, 18 Jan 2025 19:30:05 -0800
From: syzbot <syzbot+1eb177ecc3943b883f0a@...kaller.appspotmail.com>
To: eadavis@...com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [media?] KASAN: slab-use-after-free Read in dvb_device_open

Hello,

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

Reported-by: syzbot+1eb177ecc3943b883f0a@...kaller.appspotmail.com
Tested-by: syzbot+1eb177ecc3943b883f0a@...kaller.appspotmail.com

Tested on:

commit:         4f88ca5c media: dvbdev: prevent double put of dvb device
git tree:       https://github.com/ea1davis/linux mdbc/syz
console output: https://syzkaller.appspot.com/x/log.txt?x=12fb3fc4580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e8d97faf7b870c89
dashboard link: https://syzkaller.appspot.com/bug?extid=1eb177ecc3943b883f0a
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.