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-rw-r--r--tests/libtest/lib510.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/tests/libtest/lib510.c b/tests/libtest/lib510.c
index 68588cfe6..4c290f1ef 100644
--- a/tests/libtest/lib510.c
+++ b/tests/libtest/lib510.c
@@ -48,6 +48,10 @@ static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *userp)
if(data) {
size_t len = strlen(data);
+ if(size*nmemb < len) {
+ fprintf(stderr, "read buffer is too small to run test\n");
+ return 0;
+ }
memcpy(ptr, data, len);
pooh->counter++; /* advance pointer */
return len;