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[BUG] MscBuilder crashes the IDE when building all shared. [message #40196]

Tue, 02 July 2013 07:29

rxantos
Messages: 73
Registered: October 2011

Member

I tracked the bug to:
AddObjectExports

It uses FileMapping, and opens it, but forgets to map it before requesting a pointer (which is NULL unless you map the file.)

Adding

if(!mapping.Map(0, mapping.GetFileSize())) {
 return;
}

before

const byte* begin = mapping.Begin();

prevents the crash.

Note: I'm no expert of the coff format. So I wouldn't know the maximum size it should look for. So instead I try to map the whole file.

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