6.6-stable review patch. If anyone has any objections, please let me know.
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From: Olga Kornievskaia okorniev@redhat.com
[ Upstream commit 9acb237deff7667b0f6b10fe6b1b70c4429ea049 ]
Currently, when the server supports NFS4.1 security labels then security.selinux label in included twice. Instead, only add it when the server doesn't possess security label support.
Fixes: 243fea134633 ("NFSv4.2: fix listxattr to return selinux security label") Signed-off-by: Olga Kornievskaia okorniev@redhat.com Link: https://lore.kernel.org/r/20250722205641.79394-1-okorniev@redhat.com Signed-off-by: Trond Myklebust trond.myklebust@hammerspace.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/nfs/nfs4proc.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 3085a2faab2d..89d88d37e0cc 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -10630,7 +10630,7 @@ const struct nfs4_minor_version_ops *nfs_v4_minor_ops[] = {
static ssize_t nfs4_listxattr(struct dentry *dentry, char *list, size_t size) { - ssize_t error, error2, error3, error4; + ssize_t error, error2, error3, error4 = 0; size_t left = size;
error = generic_listxattr(dentry, list, left); @@ -10658,9 +10658,11 @@ static ssize_t nfs4_listxattr(struct dentry *dentry, char *list, size_t size) left -= error3; }
- error4 = security_inode_listsecurity(d_inode(dentry), list, left); - if (error4 < 0) - return error4; + if (!nfs_server_capable(d_inode(dentry), NFS_CAP_SECURITY_LABEL)) { + error4 = security_inode_listsecurity(d_inode(dentry), list, left); + if (error4 < 0) + return error4; + }
error += error2 + error3 + error4; if (size && error > size)