From: David Howells <dhowells@redhat.com>
To: Dmitry Antipov <dmantipov@yandex.ru>
Cc: dhowells@redhat.com, Jeff Layton <jlayton@kernel.org>,
Christian Brauner <brauner@kernel.org>,
netfs@lists.linux.dev, linux-fsdevel@vger.kernel.org,
lvc-project@linuxtesting.org,
syzbot+404b4b745080b6210c6c@syzkaller.appspotmail.com
Subject: Re: [PATCH v2] netfs: fix kernel BUG in iov_iter_revert()
Date: Wed, 04 Dec 2024 14:03:03 +0000 [thread overview]
Message-ID: <1128190.1733320983@warthog.procyon.org.uk> (raw)
In-Reply-To: <20241202093943.227786-1-dmantipov@yandex.ru>
Hi Dmitry,
> So wrap 'netfs_prepare_read_iterator()' to handle all possible
> -ENOMEM cases and mark the corresponding subrequest as cancelled.
I think there's a slightly better way to do it. There are three users of
netfs_prepare_read_iterator() but there's also the call to ->prepare_read()
which I think can all be combined.
(And I've just realised that the patch I asked syzbot to test has a bug in it)
David
prev parent reply other threads:[~2024-12-04 14:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-02 9:39 [PATCH v2] netfs: fix kernel BUG in iov_iter_revert() Dmitry Antipov
2024-12-04 9:56 ` syzbot program that crashes netfslib can also crash fuse David Howells
2024-12-04 12:41 ` Miklos Szeredi
2024-12-04 13:13 ` Dmitry Antipov
2024-12-04 13:41 ` David Howells
2024-12-06 12:41 ` Bernd Schubert
2024-12-13 16:13 ` Miklos Szeredi
2024-12-04 14:03 ` David Howells [this message]
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