linux-kernel - [PATCH AUTOSEL 6.9 01/21] NFSv4: Fix memory leak in nfs4_set_security

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Message-ID: <20240623134405.809025-1-sashal@kernel.org>
Date: Sun, 23 Jun 2024 09:43:34 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Dmitry Mastykin <mastichi@...il.com>,
	Trond Myklebust <trond.myklebust@...merspace.com>,
	Sasha Levin <sashal@...nel.org>,
	trondmy@...nel.org,
	anna@...nel.org,
	linux-nfs@...r.kernel.org
Subject: [PATCH AUTOSEL 6.9 01/21] NFSv4: Fix memory leak in nfs4_set_security_label

From: Dmitry Mastykin <mastichi@...il.com>

[ Upstream commit aad11473f8f4be3df86461081ce35ec5b145ba68 ]

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

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

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 3a816c4a6d5e2..a691fa10b3e95 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6289,6 +6289,7 @@ 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