linux-kernel - Re: [syzbot] KASAN: slab-out-of-bounds Read in thrustmaster

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Message-ID: <43992c7a-c8e7-29a6-d0f0-f69abccd62a1@gmail.com>
Date:   Mon, 21 Feb 2022 11:12:03 +0300
From:   Pavel Skripkin <paskripkin@...il.com>
To:     Jiri Kosina <jikos@...nel.org>
Cc:     syzbot <syzbot+35eebd505e97d315d01c@...kaller.appspotmail.com>,
        alexandre.torgue@...s.st.com, benjamin.tissoires@...hat.com,
        linux-arm-kernel@...ts.infradead.org, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        mcoquelin.stm32@...il.com, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] KASAN: slab-out-of-bounds Read in thrustmaster_probe

Hi Jiri,

On 2/21/22 11:01, Jiri Kosina wrote:
>> Looks like missing check for malicious device. Need to check number of
>> endpoints before accessing endpoints array
>> 
>> 
>> #syz test
>> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> 
> Thanks Pavel. Could you please send the patch with proper changelog and
> SOB my way?
> 

I've already posted the patch :) You can find it here [1] (you are in CC 
of course)



[1] 
https://lore.kernel.org/all/20220220160114.26882-1-paskripkin@gmail.com/




With regards,
Pavel Skripkin