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CB3DMeshFileLoader: abort if offsets point outside of file

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Thanks @sfan5 for patch in Mintest: 195759100f
Forum: https://irrlicht.sourceforge.io/forum/viewtopic.php?f=2&t=52819&p=306518


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6353 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien 2022-04-21 20:50:15 +00:00
parent 0317f678fb
commit 8fcc572845
1 changed files with 6 additions and 3 deletions
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9
source/Irrlicht/CB3DMeshFileLoader.cpp
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@ -136,7 +136,8 @@ bool CB3DMeshFileLoader::load()
else
{
os::Printer::log("Unknown chunk found in mesh base - skipping");
B3DFile->seek(B3dStack.getLast().startposition + B3dStack.getLast().length);
if (!B3DFile->seek(B3dStack.getLast().startposition + B3dStack.getLast().length))
return false;
B3dStack.erase(B3dStack.size()-1);
}
}
@ -232,7 +233,8 @@ bool CB3DMeshFileLoader::readChunkNODE(CSkinnedMesh::SJoint *inJoint)
else
{
os::Printer::log("Unknown chunk found in node chunk - skipping");
B3DFile->seek(B3dStack.getLast().startposition + B3dStack.getLast().length);
if (!B3DFile->seek(B3dStack.getLast().startposition + B3dStack.getLast().length))
return false;
B3dStack.erase(B3dStack.size()-1);
}
}
@ -315,7 +317,8 @@ bool CB3DMeshFileLoader::readChunkMESH(CSkinnedMesh::SJoint *inJoint)
else
{
os::Printer::log("Unknown chunk found in mesh - skipping");
B3DFile->seek(B3dStack.getLast().startposition + B3dStack.getLast().length);
if (!B3DFile->seek(B3dStack.getLast().startposition + B3dStack.getLast().length))
return false;
B3dStack.erase(B3dStack.size()-1);
}
}