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fix issue 486

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This commit is contained in:
goushibee
2021-04-07 15:40:13 +08:00
committed by Markus F.X.J. Oberhumer
parent 3a6f688265
commit bf957f435e
1 changed files with 3 additions and 0 deletions
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src/p_mach.cpp
+3
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@@ -1552,6 +1552,9 @@ int PackMachBase<T>::canUnpack()
if (2048 < headway) { if (2048 < headway) {
infoWarning("Mach_header.sizeofcmds(%d) > 2048", headway); infoWarning("Mach_header.sizeofcmds(%d) > 2048", headway);
} }
if(!headway){
throwCantPack("Mach_header.sizeofcmds == 0");
}
rawmseg_buf.alloc(mhdri.sizeofcmds); rawmseg_buf.alloc(mhdri.sizeofcmds);
rawmseg = (Mach_segment_command *)rawmseg_buf.getVoidPtr(); rawmseg = (Mach_segment_command *)rawmseg_buf.getVoidPtr();
fi->readx(rawmseg, mhdri.sizeofcmds); fi->readx(rawmseg, mhdri.sizeofcmds);