| From 41c0880241317cae42f4a7498c67b51da1186fc4 Mon Sep 17 00:00:00 2001 |
| From: Wenwen Wang <wenwen@cs.uga.edu> |
| Date: Tue, 20 Aug 2019 00:33:54 -0500 |
| Subject: [PATCH] ecryptfs: fix a memory leak bug in ecryptfs_init_messaging() |
| |
| commit b4a81b87a4cfe2bb26a4a943b748d96a43ef20e8 upstream. |
| |
| In ecryptfs_init_messaging(), if the allocation for 'ecryptfs_msg_ctx_arr' |
| fails, the previously allocated 'ecryptfs_daemon_hash' is not deallocated, |
| leading to a memory leak bug. To fix this issue, free |
| 'ecryptfs_daemon_hash' before returning the error. |
| |
| Cc: stable@vger.kernel.org |
| Fixes: 88b4a07e6610 ("[PATCH] eCryptfs: Public key transport mechanism") |
| Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu> |
| Signed-off-by: Tyler Hicks <tyhicks@canonical.com> |
| Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> |
| |
| diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c |
| index d668e60b85b5..c05ca39aa449 100644 |
| --- a/fs/ecryptfs/messaging.c |
| +++ b/fs/ecryptfs/messaging.c |
| @@ -379,6 +379,7 @@ int __init ecryptfs_init_messaging(void) |
| * ecryptfs_message_buf_len), |
| GFP_KERNEL); |
| if (!ecryptfs_msg_ctx_arr) { |
| + kfree(ecryptfs_daemon_hash); |
| rc = -ENOMEM; |
| goto out; |
| } |
| -- |
| 2.7.4 |
| |
