From: orkunsari via B4 Relay <devnull+sariorkunemin.gmail.com@kernel.org>
To: Chuck Lever <cel@kernel.org>, Jeff Layton <jlayton@kernel.org>,
NeilBrown <neil@brown.name>,
Olga Kornievskaia <okorniev@redhat.com>,
Dai Ngo <Dai.Ngo@oracle.com>, Tom Talpey <tom@talpey.com>
Cc: linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org,
orkunsari <sariorkunemin@gmail.com>
Subject: [PATCH 0/2] nfsd: fix two mount-crossing regressions from the v7.4 merge window
Date: Wed, 04 Nov 2026 14:56:14 +0300 [thread overview]
Message-ID: <20261104-nfsd-cross-mnt-v1-0-5ec5fca0a553@gmail.com> (raw)
Two fixes for code merged for v7.4-rc1; released kernels are not
affected.
Patch 1 fixes the NFSv2/v3 CREATE paths, which pass the dentry returned
by nfsd_cross_mnt() to end_creating() and so unlock the wrong directory
when the target file has something mounted on it.
Patch 2 makes nfsd_cross_mnt() check access to the export being entered
rather than the one being left, and restores the check after ".." in
nfsd_lookup(). SECINFO keeps its previous behaviour and does not return
NFS4ERR_WRONGSEC.
Both were found by AI-assisted code review (Claude Code). The fixes are
build-tested with W=1 only; no reproducer was run.
---
orkunsari (2):
nfsd: unlock the locked parent after crossing a mount in CREATE
nfsd: check access to the export being entered when crossing mounts
fs/nfsd/nfs3proc.c | 14 +++++++++++---
fs/nfsd/nfsproc.c | 14 +++++++++++---
fs/nfsd/vfs.c | 46 +++++++++++++++++++++++++++++++++++++++-------
3 files changed, 61 insertions(+), 13 deletions(-)
---
base-commit: 6628e7d4c6b25c8d18f1345e3a20d21829aae7e4
change-id: 20261104-nfsd-cross-mnt-1f84d7972869
Best regards,
--
orkunsari <sariorkunemin@gmail.com>
next reply other threads:[~2026-11-04 11:56 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-04 11:56 orkunsari via B4 Relay [this message]
2026-11-04 11:56 ` [PATCH 1/2] nfsd: unlock the locked parent after crossing a mount in CREATE orkunsari via B4 Relay
2026-11-04 11:56 ` [PATCH 2/2] nfsd: check access to the export being entered when crossing mounts orkunsari via B4 Relay
2026-11-04 18:52 ` Chuck Lever
2026-11-04 19:48 ` [PATCH 0/2] nfsd: fix two mount-crossing regressions from the v7.4 merge window Chuck Lever
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