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Code Pull Requests Activity

CMemoryFile: fix seek bounds-checking

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This commit is contained in:
sfan5 2021-03-12 18:28:10 +01:00
parent 57ff34b1ed
commit a3d848ff8b
1 changed files with 4 additions and 4 deletions
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8
source/Irrlicht/CMemoryFile.cpp
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@ -52,14 +52,14 @@ bool CMemoryReadFile::seek(long finalPos, bool relativeMovement)
{ {
if (relativeMovement) if (relativeMovement)
{ {
if (Pos + finalPos > Len) if (Pos + finalPos < 0 || Pos + finalPos > Len)
return false; return false;
Pos += finalPos; Pos += finalPos;
} }
else else
{ {
if (finalPos > Len) if (finalPos < 0 || finalPos > Len)
return false; return false;
Pos = finalPos; Pos = finalPos;
@ -133,14 +133,14 @@ bool CMemoryWriteFile::seek(long finalPos, bool relativeMovement)
{ {
if (relativeMovement) if (relativeMovement)
{ {
if (Pos + finalPos > Len) if (Pos + finalPos < 0 || Pos + finalPos > Len)
return false; return false;
Pos += finalPos; Pos += finalPos;
} }
else else
{ {
if (finalPos > Len) if (finalPos < 0 || finalPos > Len)
return false; return false;
Pos = finalPos; Pos = finalPos;