linux-kernel - Re: [syzbot] KASAN: use-after-free Read in i2c_put

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Message-ID: <YqjlvenfDHjY0ziL@shikoro>
Date:   Tue, 14 Jun 2022 21:47:09 +0200
From:   Wolfram Sang <wsa@...nel.org>
To:     syzbot <syzbot+509a39149506f9c2fe34@...kaller.appspotmail.com>
Cc:     linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] KASAN: use-after-free Read in i2c_put_adapter

Hiya,

> syzbot found the following issue on:
> 
> HEAD commit:    f022814633e1 Merge tag 'trace-v5.18-1' of git://git.kernel..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=10f37405700000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=8ca27d4f6e8fcfba
> dashboard link: https://syzkaller.appspot.com/bug?extid=509a39149506f9c2fe34
> compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

We have now a patch under review fixing this.

Thanks,

   Wolfram


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