This is a note to let you know that I've just added the patch titled
nfsd: put the export reference in nfsd4_verify_deleg_dentry
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
nfsd-put-the-export-reference-in-nfsd4_verify_deleg_.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 08f2fbc5a45813543bf070175234a8057eabeb72
Author: Jeff Layton <jlayton@xxxxxxxxxx>
Date: Tue Nov 8 11:23:11 2022 -0500
nfsd: put the export reference in nfsd4_verify_deleg_dentry
[ Upstream commit 50256e4793a5e5ab77703c82a47344ad2e774a59 ]
nfsd_lookup_dentry returns an export reference in addition to the dentry
ref. Ensure that we put it too.
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2138866
Fixes: 876c553cb410 ("NFSD: verify the opened dentry after setting a delegation")
Reported-by: Yongcheng Yang <yoyang@xxxxxxxxxx>
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index d19629de2af5d..7cfc92aa2a236 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -5397,6 +5397,7 @@ nfsd4_verify_deleg_dentry(struct nfsd4_open *open, struct nfs4_file *fp,
if (err)
return -EAGAIN;
+ exp_put(exp);
dput(child);
if (child != file_dentry(fp->fi_deleg_file->nf_file))
return -EAGAIN;
