diff options
| -rw-r--r-- | reftable/basics.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/reftable/basics.c b/reftable/basics.c index 4adc98cf5d..3350bbffa2 100644 --- a/reftable/basics.c +++ b/reftable/basics.c @@ -37,9 +37,16 @@ void reftable_free(void *p) void *reftable_calloc(size_t nelem, size_t elsize) { - size_t sz = st_mult(nelem, elsize); - void *p = reftable_malloc(sz); - memset(p, 0, sz); + void *p; + + if (nelem && elsize > SIZE_MAX / nelem) + return NULL; + + p = reftable_malloc(nelem * elsize); + if (!p) + return NULL; + + memset(p, 0, nelem * elsize); return p; } |