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authorEric Biggers <ebiggers@google.com>2018-07-17 10:36:04 -0700
committerJames Morris <james.morris@microsoft.com>2018-07-17 21:27:06 -0700
commit87ea58433208d17295e200d56be5e2a4fe4ce7d6 (patch)
tree923d0e0a46960ca912f279e6c16bf758c6217d86 /security
parent83a68a06795fa47e77ea758f293a5946e9e02e84 (diff)
downloadlinux-stericsson-87ea58433208d17295e200d56be5e2a4fe4ce7d6.tar.gz
security: check for kstrdup() failure in lsm_append()
lsm_append() should return -ENOMEM if memory allocation failed. Fixes: d69dece5f5b6 ("LSM: Add /sys/kernel/security/lsm") Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: James Morris <james.morris@microsoft.com>
Diffstat (limited to 'security')
-rw-r--r--security/security.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/security/security.c b/security/security.c
index 6e149d0ffe33..b49ee810371b 100644
--- a/security/security.c
+++ b/security/security.c
@@ -118,6 +118,8 @@ static int lsm_append(char *new, char **result)
if (*result == NULL) {
*result = kstrdup(new, GFP_KERNEL);
+ if (*result == NULL)
+ return -ENOMEM;
} else {
/* Check if it is the last registered name */
if (match_last_lsm(*result, new))