[Scummvm-git-logs] scummvm master -> 1d8af3ea43abb11de89266038c3c2512d07a13f3

[Strangerke]

This automated email contains information about 1 new commit which have been
pushed to the 'scummvm' repo located at https://api.github.com/repos/scummvm/scummvm .

Summary:
1d8af3ea43 M4: Add safeguards to fix coverity issues 1532905 and 1532953


Commit: 1d8af3ea43abb11de89266038c3c2512d07a13f3
    https://github.com/scummvm/scummvm/commit/1d8af3ea43abb11de89266038c3c2512d07a13f3
Author: Strangerke (arnaud.boutonne at gmail.com)
Date: 2025-06-09T00:00:47+01:00

Commit Message:
M4: Add safeguards to fix coverity issues 1532905 and 1532953

Changed paths:
    engines/m4/wscript/ws_machine.cpp


diff --git a/engines/m4/wscript/ws_machine.cpp b/engines/m4/wscript/ws_machine.cpp
index 8713e53b736..799647e2220 100644
--- a/engines/m4/wscript/ws_machine.cpp
+++ b/engines/m4/wscript/ws_machine.cpp
@@ -875,8 +875,13 @@ static int32 StepAt(int32 *pcOffset, machine *m) {
 	*pcOffset += (byte *)myPC - (byte *)oldPC;
 
 	if (myInstruction >= 64) {
+		if (myInstruction > 74)
+			error("Unexpected instruction %d", myInstruction);
 		condOpTable[myInstruction - 64](m, pcOffset);
 	} else if (myInstruction > 0) {
+		if (myInstruction > 15)
+			error("Unexpected instruction %d", myInstruction);
+		
 		bool keepProcessing = immOpTable[myInstruction](m, pcOffset);
 
 		if (!keepProcessing) {