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NFSv4.2: fix listxattr to return selinux security label

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Currently, when NFS is queried for all the labels present on the
file via a command example "getfattr -d -m . /mnt/testfile", it
does not return the security label. Yet when asked specifically for
the label (getfattr -n security.selinux) it will be returned.
Include the security label when all attributes are queried.

Signed-off-by: Olga Kornievskaia <okorniev@redhat.com>
Signed-off-by: Anna Schumaker <anna.schumaker@oracle.com>
This commit is contained in:
Olga Kornievskaia 2025-04-25 14:09:21 -04:00 committed by Anna Schumaker
parent aba41e90aa
commit 243fea1346
1 changed files with 10 additions and 2 deletions
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12
fs/nfs/nfs4proc.c
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@ -10858,7 +10858,7 @@ 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;
ssize_t error, error2, error3, error4;
size_t left = size;
error = generic_listxattr(dentry, list, left);
@ -10881,8 +10881,16 @@ static ssize_t nfs4_listxattr(struct dentry *dentry, char *list, size_t size)
error3 = nfs4_listxattr_nfs4_user(d_inode(dentry), list, left);
if (error3 < 0)
return error3;
if (list) {
list += error3;
left -= error3;
}
error += error2 + error3;
error4 = security_inode_listsecurity(d_inode(dentry), list, left);
if (error4 < 0)
return error4;
error += error2 + error3 + error4;
if (size && error > size)
return -ERANGE;
return error;