From 3e361f37643bfaea1b1bc06ab9767b2755deec21 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Thu, 27 Aug 2015 16:01:11 +0200 Subject: login: check return value of digest_alloc digest_alloc can fail, check the return value. Signed-off-by: Sascha Hauer --- common/password.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'common/password.c') diff --git a/common/password.c b/common/password.c index 0cb79b8648..43c5e0cc0e 100644 --- a/common/password.c +++ b/common/password.c @@ -288,6 +288,10 @@ static int check_passwd(unsigned char *passwd, size_t length) hash_len = PBKDF2_LENGTH; } else { d = digest_alloc(PASSWD_SUM); + if (!d) { + pr_err("No such digest: %s\n", PASSWD_SUM); + return -ENOENT; + } hash_len = digest_length(d); } -- cgit v1.2.3