Fix access dangling pointer after buffer reallocation

dstogov · Mar 26, 2024 · 64798a7 · 64798a7
1 parent f8c348a
commit 64798a7
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/ir_gcm.c b/ir_gcm.c
@@ -376,6 +376,7 @@ static bool ir_split_partially_dead_node(ir_ctx *ctx, ir_ref ref, uint32_t b)
 	clones[0].ref = ref;
 	for (i = 1; i < clones_count; i++) {
 		clones[i].ref = clone = ir_emit(ctx, insn->optx, insn->op1, insn->op2, insn->op3);
+		insn = &ctx->ir_base[ref];
 		if (insn->op1 > 0) ir_use_list_add(ctx, insn->op1, clone);
 		if (insn->op2 > 0) ir_use_list_add(ctx, insn->op2, clone);
 		if (insn->op3 > 0) ir_use_list_add(ctx, insn->op3, clone);