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| author | Aurelien Aptel <aaptel@suse.com> | 2018-01-25 15:59:39 +0100 |
|---|---|---|
| committer | Steve French <smfrench@gmail.com> | 2018-01-26 17:03:00 -0600 |
| commit | 97f4b7276b829a8927ac903a119bef2f963ccc58 (patch) | |
| tree | 51545e98eaf4b2bacaf6aeb19dabe57453fc77b7 /fs/cifs/cifsencrypt.c | |
| parent | 2026b06e9ce8521dae1a71654dc5a39e7ce3b871 (diff) | |
| download | linux-97f4b7276b829a8927ac903a119bef2f963ccc58.tar.gz linux-97f4b7276b829a8927ac903a119bef2f963ccc58.tar.bz2 linux-97f4b7276b829a8927ac903a119bef2f963ccc58.zip | |
CIFS: zero sensitive data when freeing
also replaces memset()+kfree() by kzfree().
Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Cc: <stable@vger.kernel.org>
Diffstat (limited to 'fs/cifs/cifsencrypt.c')
| -rw-r--r-- | fs/cifs/cifsencrypt.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c index 68abbb0db608..f2b0a7f124da 100644 --- a/fs/cifs/cifsencrypt.c +++ b/fs/cifs/cifsencrypt.c @@ -325,9 +325,8 @@ int calc_lanman_hash(const char *password, const char *cryptkey, bool encrypt, { int i; int rc; - char password_with_pad[CIFS_ENCPWD_SIZE]; + char password_with_pad[CIFS_ENCPWD_SIZE] = {0}; - memset(password_with_pad, 0, CIFS_ENCPWD_SIZE); if (password) strncpy(password_with_pad, password, CIFS_ENCPWD_SIZE); |