netdev - Re: KASAN: use-after-free Read in slcan

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Message-ID: <2f8c5b49-ae02-e269-97cf-b4a979f950ac@hartkopp.net>
Date:   Mon, 2 Mar 2020 09:31:58 +0100
From:   Oliver Hartkopp <socketcan@...tkopp.net>
To:     syzbot <syzbot+b5ec6fd05ab552a78532@...kaller.appspotmail.com>,
        davem@...emloft.net, dvyukov@...gle.com, jouni.hogander@...kie.com,
        linux-can@...r.kernel.org, linux-kernel@...r.kernel.org,
        mkl@...gutronix.de, netdev@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, wg@...ndegger.com
Subject: Re: KASAN: use-after-free Read in slcan_open

#sys fix: can: slcan: Fix use-after-free Read in slcan_open

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/net/can/slcan.c?id=9ebd796e24008f33f06ebea5a5e6aceb68b51794

Thanks,
Oliver

On 02/03/2020 07.30, syzbot wrote:
> This bug is marked as fixed by commit:
> slcan: Fix use-after-free Read in slcan_open
> But I can't find it in any tested tree for more than 90 days.
> Is it a correct commit? Please update it by replying:
> #syz fix: exact-commit-title
> Until then the bug is still considered open and
> new crashes with the same signature are ignored.
>