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-rw-r--r--security/keys/keyctl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index e26f860..eff88a5 100644
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -37,6 +37,8 @@ static int key_get_type_from_user(char *type,
return ret;
if (ret == 0 || ret >= len)
return -EINVAL;
+ if (type[0] == '.')
+ return -EPERM;
type[len - 1] = '\0';
return 0;
}
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