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authorOz Linden <oz@lindenlab.com>2015-10-13 08:43:03 -0400
committerOz Linden <oz@lindenlab.com>2015-10-13 08:43:03 -0400
commit69ff937e47248eca0a4f876efebe97ee57bd4da9 (patch)
tree4fde61ed0ed439b0bf033b15f6703d72bee6f561 /indra/llimage/llimagebmp.cpp
parent9367a3787929dfff8b46763d9a7b4872c469e85a (diff)
parent4312629e7c5749b86add9d42e6e550602f34dbf5 (diff)
merge changes for 3.8.5-release
Diffstat (limited to 'indra/llimage/llimagebmp.cpp')
-rwxr-xr-xindra/llimage/llimagebmp.cpp14
1 files changed, 14 insertions, 0 deletions
diff --git a/indra/llimage/llimagebmp.cpp b/indra/llimage/llimagebmp.cpp
index 8573fe0d91..a2ce2fee86 100755
--- a/indra/llimage/llimagebmp.cpp
+++ b/indra/llimage/llimagebmp.cpp
@@ -443,6 +443,10 @@ BOOL LLImageBMP::decodeColorMask32( U8* dst, U8* src )
mBitfieldMask[2] = 0x000000FF;
}
+ if (getWidth() * getHeight() * 4 > getDataSize() - mBitmapOffset)
+ { //here we have situation when data size in src less than actually needed
+ return FALSE;
+ }
S32 src_row_span = getWidth() * 4;
S32 alignment_bytes = (3 * src_row_span) % 4; // round up to nearest multiple of 4
@@ -476,6 +480,11 @@ BOOL LLImageBMP::decodeColorTable8( U8* dst, U8* src )
S32 src_row_span = getWidth() * 1;
S32 alignment_bytes = (3 * src_row_span) % 4; // round up to nearest multiple of 4
+ if ((getWidth() * getHeight()) + getHeight() * alignment_bytes > getDataSize() - mBitmapOffset)
+ { //here we have situation when data size in src less than actually needed
+ return FALSE;
+ }
+
for( S32 row = 0; row < getHeight(); row++ )
{
for( S32 col = 0; col < getWidth(); col++ )
@@ -501,6 +510,11 @@ BOOL LLImageBMP::decodeTruecolor24( U8* dst, U8* src )
S32 src_row_span = getWidth() * 3;
S32 alignment_bytes = (3 * src_row_span) % 4; // round up to nearest multiple of 4
+ if ((getWidth() * getHeight() * 3) + getHeight() * alignment_bytes > getDataSize() - mBitmapOffset)
+ { //here we have situation when data size in src less than actually needed
+ return FALSE;
+ }
+
for( S32 row = 0; row < getHeight(); row++ )
{
for( S32 col = 0; col < getWidth(); col++ )