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-rw-r--r--src/common/memarea.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/common/memarea.c b/src/common/memarea.c
index 77579e63b..dac15434c 100644
--- a/src/common/memarea.c
+++ b/src/common/memarea.c
@@ -95,6 +95,7 @@ static memarea_chunk_t *freelist = NULL;
static memarea_chunk_t *
alloc_chunk(size_t sz, int freelist_ok)
{
+ tor_assert(sz < SIZE_T_CEILING);
if (freelist && freelist_ok) {
memarea_chunk_t *res = freelist;
freelist = res->next_chunk;
@@ -211,6 +212,7 @@ memarea_alloc(memarea_t *area, size_t sz)
char *result;
tor_assert(chunk);
CHECK_SENTINEL(chunk);
+ tor_assert(sz < SIZE_T_CEILING);
if (sz == 0)
sz = 1;
if (chunk->next_mem+sz > chunk->u.mem+chunk->mem_size) {
@@ -269,6 +271,7 @@ memarea_strndup(memarea_t *area, const char *s, size_t n)
size_t ln;
char *result;
const char *cp, *end = s+n;
+ tor_assert(n < SIZE_T_CEILING);
for (cp = s; cp < end && *cp; ++cp)
;
/* cp now points to s+n, or to the 0 in the string. */