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Code Issues 1 Releases Wiki Activity

Add another bounds check for updating labels. Related to #1700

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Calvin Rose
2026-01-31 13:20:45 -06:00
parent 8f8382eead
commit 8481da18d0
1 changed files with 1 additions and 1 deletions
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src/core/specials.c
+1 -1
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@@ -688,7 +688,7 @@ static JanetSlot janetc_if(JanetFopts opts, int32_t argn, const Janet *argv) {
labeld = janet_v_count(c->buffer);
if (labeljr < labeld) {
c->buffer[labeljr] |= (labelr - labeljr) << 16;
if (!tail) c->buffer[labeljd] |= (labeld - labeljd) << 8;
if (!tail && labeljd < labeld) c->buffer[labeljd] |= (labeld - labeljd) << 8;
}
if (tail) target.flags |= JANET_SLOT_RETURNED;