From: David Howells <dhowells@redhat.com>
To: Christian Brauner <christian@brauner.io>
Cc: David Howells <dhowells@redhat.com>,
Paulo Alcantara <pc@manguebit.org>,
netfs@lists.linux.dev, linux-afs@lists.infradead.org,
linux-cifs@vger.kernel.org, ceph-devel@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 0/3] netfs, cachefiles: Miscellaneous fixes
Date: Mon, 24 Aug 2026 13:02:19 +0100 [thread overview]
Message-ID: <20260824120224.504575-1-dhowells@redhat.com> (raw)
Hi Christian,
Here are a couple of miscellaneous fixes for netfslib and one for cachefiles,
if you could pick them up?
(1) Fix an uninitialised return value from netfs_unbuffered_write().
(2) Fix read progress reporting to avoid 64-bit tearing on a 32-bit
machine. This has been modified from the previous submission as part
of a different series to take account of a sashiko reported issue[1].
(3) Fix a potential UAF/KASAN warning reported by sashiko[1] in cachefiles in
which the coherency data buffer is cast to a __be64* and dereferenced in
a tracepoint - even though it might not be at least that large (or
aligned).
The patches can also be found here:
https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/log/?h=netfs-fixes
Thanks,
David
[1] https://sashiko.dev/#/patchset/20260810144746.574036-1-dhowells%40redhat.com
David Howells (2):
netfs: Fix read progress reporting
cachefiles: Fix potential UAF/KASAN warning
Karl Mehltretter (1):
netfs: Fix uninitialized return value in netfs_unbuffered_write()
fs/cachefiles/xattr.c | 16 ++++-----
fs/netfs/buffered_read.c | 4 +++
fs/netfs/direct_write.c | 2 +-
fs/netfs/internal.h | 1 +
fs/netfs/objects.c | 32 ++++++++++-------
fs/netfs/read_collect.c | 58 +++++++++++++++++++++++--------
fs/netfs/read_single.c | 2 ++
include/linux/netfs.h | 2 +-
include/trace/events/cachefiles.h | 19 ++++++++--
include/trace/events/netfs.h | 21 +++++++++++
10 files changed, 119 insertions(+), 38 deletions(-)
next reply other threads:[~2026-08-24 12:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-24 12:02 David Howells [this message]
2026-08-24 12:02 ` [PATCH 1/3] netfs: Fix uninitialized return value in netfs_unbuffered_write() David Howells
2026-08-24 12:02 ` [PATCH 2/3] netfs: Fix read progress reporting David Howells
2026-08-24 12:02 ` [PATCH 3/3] cachefiles: Fix potential UAF/KASAN warning David Howells
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