eliott/ghidra
1
0
Fork 0
mirror of https://github.com/NationalSecurityAgency/ghidra.git synced 2026-04-26 01:35:22 +02:00
Code Issues Packages Projects Releases Wiki Activity

GP-5389 added check in vmi structure creation so numBases is valid

Browse Source
This commit is contained in:
ghidra007
2025-02-18 21:41:38 +00:00
parent 5b017d065e
commit 1b6254547c
1 changed files with 7 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
Ghidra/Features/Decompiler/ghidra_scripts/classrecovery/RTTIGccClassRecoverer.java
View File

@@ -2371,6 +2371,7 @@ public class RTTIGccClassRecoverer extends RTTIClassRecoverer {
if (newStructure == null) {
// is a typeinfo that inherits a non class typeinfo so skip it
// or there was an issue creating it so skip it
continue;
}
@@ -2741,6 +2742,12 @@ public class RTTIGccClassRecoverer extends RTTIClassRecoverer {
int numBases;
try {
numBases = api.getInt(typeinfoAddress.add(offsetOfNumBases));
if (numBases <= 0) {
Msg.debug(this, typeinfoAddress.toString() +
": VmiTypeinfoStructure has invalid number of bases: " + numBases);
return null;
}
}
// if there isn't enough memory to get the int then return null
catch (MemoryAccessException | AddressOutOfBoundsException e) {