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A fuzzer attacked i386-dos32.watcom.le

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This commit is contained in:
John Reiser
2023-07-06 20:25:14 -07:00
committed by Markus F.X.J. Oberhumer
parent 8d41ae09c8
commit 707fb55625
2 changed files with 4 additions and 0 deletions
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src/lefile.cpp
+2
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@@ -146,6 +146,8 @@ unsigned LeFile::getImageSize() const {
void LeFile::readImage() { void LeFile::readImage() {
soimage = pages * mps; soimage = pages * mps;
if (!soimage) // late detection, but protect against .alloc(0)
throwCantPack("no soimage");
mb_iimage.alloc(soimage); mb_iimage.alloc(soimage);
mb_iimage.clear(); mb_iimage.clear();
iimage = mb_iimage; // => now a SPAN_S iimage = mb_iimage; // => now a SPAN_S
src/p_wcle.cpp
+2
View File
@@ -157,6 +157,8 @@ void PackWcle::readObjectTable() {
LeFile::readObjectTable(); LeFile::readObjectTable();
// temporary copy of the object descriptors // temporary copy of the object descriptors
if (!objects) // late detection, but protect against .alloc(0)
throwCantPack("no objects");
iobject_desc.alloc(objects * sizeof(*iobject_table)); iobject_desc.alloc(objects * sizeof(*iobject_table));
memcpy(iobject_desc, iobject_table, objects * sizeof(*iobject_table)); memcpy(iobject_desc, iobject_table, objects * sizeof(*iobject_table));