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pefile: Allow overlap of MZ header and PE header (h.nexepos==0x10)

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https://github.com/upx/upx/issues/169
This means .codebase is aliased to .nexepos, with both equal to 0x10.
	modified:   pefile.cpp
This commit is contained in:
John Reiser
2018-01-21 10:20:53 -08:00
parent 8ab180edf8
commit f056ecdcd5
1 changed files with 1 additions and 1 deletions
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src/pefile.cpp
+1 -1
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@@ -164,7 +164,7 @@ int PeFile::readFileHeader()
{ {
unsigned const delta = (h.relocoffs >= 0x40) unsigned const delta = (h.relocoffs >= 0x40)
? h.nexepos // new format exe ? h.nexepos // new format exe
: (h.p512*512+h.m512 - h.m512 ? 512 : 0); : (h.p512*512+h.m512 - h.m512 ? 512 : h.nexepos);
if ((pe_offset + delta) < delta // wrap-around if ((pe_offset + delta) < delta // wrap-around
|| (pe_offset + delta) > (unsigned)file_size) { || (pe_offset + delta) > (unsigned)file_size) {