From: Dmitry Antipov <dmantipov@yandex.ru>
To: Mateusz Guzik <mjguzik@gmail.com>
Cc: Tycho Andersen <tandersen@netflix.com>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
lvc-project@linuxtesting.org,
syzbot+03e1af5c332f7e0eb84b@syzkaller.appspotmail.com,
vbabka@suse.cz
Subject: Re: [PATCH] exec: do not pass invalid pointer to kfree() from free_bprm()
Date: Tue, 5 Nov 2024 16:08:47 +0300 [thread overview]
Message-ID: <8d260125-ebd8-4862-bb00-41c2b76326bb@yandex.ru> (raw)
In-Reply-To: <m4ws43n63iaxuyx7qm667ppsloc63aex34erarrflp6huzlaru@xrpnve3kjluy>
On 11/5/24 2:30 PM, Mateusz Guzik wrote:
> The specific instance aside, perhaps kfree could get patched up to
> complain about it (when debug is enabled)?
Yes, it may be useful to have WARN_ON() from kfree() for such a case when debugging.
Dmitry
next prev parent reply other threads:[~2024-11-05 13:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-05 11:13 Dmitry Antipov
2024-11-05 11:30 ` Mateusz Guzik
2024-11-05 13:08 ` Dmitry Antipov [this message]
2024-11-05 13:35 ` Kirill A. Shutemov
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