Fix possible OOB read (#2825)

Rot127 · web-flow · commit ca42e808a968 · 2025-12-01T11:03:23.000Z
diff --git a/arch/Sparc/SparcInstPrinter.c b/arch/Sparc/SparcInstPrinter.c
@@ -304,7 +304,7 @@ void printMembarTag(MCInst *MI, int opNum, SStream *O)
 	}
 
 	bool First = true;
-	for (unsigned i = 0; i < sizeof(TagNames); i++) {
+	for (unsigned i = 0; i < ARR_SIZE(TagNames); i++) {
 		if (Imm & (1ull << i)) {
 			SStream_concat(O, "%s", (First ? "" : " | "));
 			SStream_concat0(O, TagNames[i]);

Original file line number	Diff line number	Diff line change
`@@ -304,7 +304,7 @@ void printMembarTag(MCInst MI, int opNum, SStream O)`
`304`	`304`	`}`
`305`	`305`
`306`	`306`	`bool First = true;`
`307`		`- for (unsigned i = 0; i < sizeof(TagNames); i++) {`
	`307`	`+ for (unsigned i = 0; i < ARR_SIZE(TagNames); i++) {`
`308`	`308`	`if (Imm & (1ull << i)) {`
`309`	`309`	`SStream_concat(O, "%s", (First ? "" : " \| "));`
`310`	`310`	`SStream_concat0(O, TagNames[i]);`