Patch "ext4: fix memory leak when symlink decryption fails" has been added to the 4.8-stable tree

Patch "ext4: fix memory leak when symlink decryption fails" has been added to the 4.8-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    ext4: fix memory leak when symlink decryption fails

to the 4.8-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:
     ext4-fix-memory-leak-when-symlink-decryption-fails.patch
and it can be found in the queue-4.8 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From dcce7a46c6f28f41447272fb44348ead8f584573 Mon Sep 17 00:00:00 2001
From: Eric Biggers <ebiggers@google.com>
Date: Thu, 15 Sep 2016 13:13:13 -0400
Subject: ext4: fix memory leak when symlink decryption fails

From: Eric Biggers <ebiggers@google.com>

commit dcce7a46c6f28f41447272fb44348ead8f584573 upstream.

This bug was introduced in v4.8-rc1.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/ext4/symlink.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/fs/ext4/symlink.c
+++ b/fs/ext4/symlink.c
@@ -65,13 +65,12 @@ static const char *ext4_encrypted_get_li
 	res = fscrypt_fname_alloc_buffer(inode, cstr.len, &pstr);
 	if (res)
 		goto errout;
+	paddr = pstr.name;
 
 	res = fscrypt_fname_disk_to_usr(inode, 0, 0, &cstr, &pstr);
 	if (res < 0)
 		goto errout;
 
-	paddr = pstr.name;
-
 	/* Null-terminate the name */
 	if (res <= pstr.len)
 		paddr[res] = '\0';


Patches currently in stable-queue which might be from ebiggers@google.com are

queue-4.8/ext4-fix-memory-leak-when-symlink-decryption-fails.patch