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Linshizhi
ffmpeg.wasm-core
Commits
1eda5551
Commit
1eda5551
authored
May 16, 2015
by
Carl Eugen Hoyos
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lavc/qdrw: Fix overwrite when reading invalid Quickdraw images.
parent
e609cfd6
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qdrw.c
libavcodec/qdrw.c
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libavcodec/qdrw.c
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1eda5551
...
@@ -95,6 +95,8 @@ static int decode_rle(AVCodecContext *avctx, AVFrame *p, GetByteContext *gbc,
...
@@ -95,6 +95,8 @@ static int decode_rle(AVCodecContext *avctx, AVFrame *p, GetByteContext *gbc,
pos
-=
offset
;
pos
-=
offset
;
pos
++
;
pos
++
;
}
}
if
(
pos
>=
offset
)
return
AVERROR_INVALIDDATA
;
}
}
left
-=
2
;
left
-=
2
;
}
else
{
/* copy */
}
else
{
/* copy */
...
@@ -105,6 +107,8 @@ static int decode_rle(AVCodecContext *avctx, AVFrame *p, GetByteContext *gbc,
...
@@ -105,6 +107,8 @@ static int decode_rle(AVCodecContext *avctx, AVFrame *p, GetByteContext *gbc,
pos
-=
offset
;
pos
-=
offset
;
pos
++
;
pos
++
;
}
}
if
(
pos
>=
offset
)
return
AVERROR_INVALIDDATA
;
}
}
left
-=
2
+
code
;
left
-=
2
+
code
;
}
}
...
...
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