tree bbe98bd246c3853f1689737c89fa3e7eaf2622ae
parent f67043b6c83d2c5c60521af0ecde84234ec39ea5
author Wenwen Wang <wenwen@cs.uga.edu> 1566278200 -0500
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1582900930 +0100

ecryptfs: fix a memory leak bug in parse_tag_1_packet()

commit fe2e082f5da5b4a0a92ae32978f81507ef37ec66 upstream.

In parse_tag_1_packet(), if tag 1 packet contains a key larger than
ECRYPTFS_MAX_ENCRYPTED_KEY_BYTES, no cleanup is executed, leading to a
memory leak on the allocated 'auth_tok_list_item'. To fix this issue, go to
the label 'out_free' to perform the cleanup work.

Cc: stable@vger.kernel.org
Fixes: dddfa461fc89 ("[PATCH] eCryptfs: Public key; packet management")
Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu>
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>