mirrors/janet
1
0
Fork 0
mirror of https://github.com/janet-lang/janet synced 2025-10-31 07:33:01 +00:00
Code Issues 1 Releases Wiki Activity

add NULL check in gc.c to avoid UB

Browse Source 
After the UB was fixed in value.c, I tried running the build again and encoutered another instance of UB in gc.c.  With this fixed I can now build janet with ubsan enabled, meaning there's no more UB encountered in janet_boot during the build.
This commit is contained in:
Jonathan Marler
2021-09-11 19:49:16 -06:00
parent b799223ebc
commit e381622a9a
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/core/gc.c
View File

@@ -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);