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Linshizhi
ffmpeg.wasm-core
Commits
f5fc28d2
Commit
f5fc28d2
authored
Jul 28, 2004
by
Roman Shaposhnik
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* fixing a buffer overrun in gif.c
Originally committed as revision 3363 to
svn://svn.ffmpeg.org/ffmpeg/trunk
parent
668fe04e
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2 changed files
with
5 additions
and
7 deletions
+5
-7
gif.c
libavformat/gif.c
+3
-5
libav.regression.ref
tests/libav.regression.ref
+2
-2
No files found.
libavformat/gif.c
View file @
f5fc28d2
...
...
@@ -252,7 +252,7 @@ static int gif_image_write_image(ByteIOContext *pb,
gif_put_bits_rev
(
&
p
,
9
,
0x0100
);
/* clear code */
for
(
i
=
0
;
i
<
GIF_CHUNKS
;
i
++
)
{
for
(
i
=
(
left
<
GIF_CHUNKS
)
?
left
:
GIF_CHUNKS
;
i
;
i
--
)
{
if
(
pix_fmt
==
PIX_FMT_RGB24
)
{
v
=
gif_clut_index
(
ptr
[
0
],
ptr
[
1
],
ptr
[
2
]);
ptr
+=
3
;
...
...
@@ -276,12 +276,10 @@ static int gif_image_write_image(ByteIOContext *pb,
put_buffer
(
pb
,
p
.
buf
,
pbBufPtr
(
&
p
)
-
p
.
buf
);
/* the actual buffer */
p
.
buf_ptr
=
p
.
buf
;
/* dequeue the bytes off the bitstream */
}
if
(
left
<=
GIF_CHUNKS
)
{
put_byte
(
pb
,
0x00
);
/* end of image block */
}
left
-=
GIF_CHUNKS
;
}
put_byte
(
pb
,
0x00
);
/* end of image block */
return
0
;
}
...
...
tests/libav.regression.ref
View file @
f5fc28d2
...
...
@@ -37,8 +37,8 @@ b28918de1199e60a7ac235eefacb7d3b *./data/b-libav.dv
0c5fe86621b7377705837f304d4ba1e9 *./data/b-libav.ppm
7603575 ./data/b-libav.ppm
./data/b-libav.ppm CRC=b2bb8e92
1cac531652ea2ff2fb141d5ae992caa8
*./data/b-libav.gif
290
7057
./data/b-libav.gif
88a98269295fbfce7816558ad84e1259
*./data/b-libav.gif
290
6382
./data/b-libav.gif
c39dd19b88f9e0f03a318b51c37edb61 *./data/b-libav.yuv4mpeg
3801810 ./data/b-libav.yuv4mpeg
./data/b-libav%d.pgm CRC=84c09106
...
...
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