[PATCH AUTOSEL 6.1 01/12] NFSv4: Fix memory leak in nfs4_set_security_label

From: Sasha Levin
Date: Sun Jun 23 2024 - 09:55:11 EST


From: Dmitry Mastykin <mastichi@xxxxxxxxx>

[ Upstream commit aad11473f8f4be3df86461081ce35ec5b145ba68 ]

We leak nfs_fattr and nfs4_label every time we set a security xattr.

Signed-off-by: Dmitry Mastykin <mastichi@xxxxxxxxx>
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
fs/nfs/nfs4proc.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index ec641a8f6604b..cc620fc7aaf7b 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6274,6 +6274,7 @@ nfs4_set_security_label(struct inode *inode, const void *buf, size_t buflen)
if (status == 0)
nfs_setsecurity(inode, fattr);

+ nfs_free_fattr(fattr);
return status;
}
#endif /* CONFIG_NFS_V4_SECURITY_LABEL */
--
2.43.0