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Merge pull request #800 from marler8997/fixUbInGC

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add NULL check in gc.c to avoid UB
This commit is contained in:
Calvin Rose
2021-09-14 16:04:12 -05:00
committed by GitHub
parent b799223ebc e381622a9a
commit 92c02449f4
1 changed files with 2 additions and 0 deletions
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src/core/gc.c
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@@ -123,6 +123,8 @@ static void janet_mark_abstract(void *adata) {
/* Mark a bunch of items in memory */ /* Mark a bunch of items in memory */
static void janet_mark_many(const Janet *values, int32_t n) { static void janet_mark_many(const Janet *values, int32_t n) {
if (values == NULL)
return;
const Janet *end = values + n; const Janet *end = values + n;
while (values < end) { while (values < end) {
janet_mark(*values); janet_mark(*values);