git.videolan.org
/
ffmpeg.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
fc4f883
)
avcodec/mjpegdec: Fix runtime error: signed integer overflow: -24543 * 2031616 cannot...
author
Michael Niedermayer
<michael@niedermayer.cc>
Thu, 27 Apr 2017 13:10:25 +0000
(15:10 +0200)
committer
Michael Niedermayer
<michael@niedermayer.cc>
Thu, 4 May 2017 18:42:54 +0000
(20:42 +0200)
Fixes: 943/clusterfuzz-testcase-
5114865297391616
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/mjpegdec.c
patch
|
blob
|
history
diff --git
a/libavcodec/mjpegdec.c
b/libavcodec/mjpegdec.c
index
a86f6b2
..
ed381de
100644
(file)
--- a/
libavcodec/mjpegdec.c
+++ b/
libavcodec/mjpegdec.c
@@
-776,7
+776,8
@@
static int decode_block_progressive(MJpegDecodeContext *s, int16_t *block,
uint16_t *quant_matrix,
int ss, int se, int Al, int *EOBRUN)
{
- int code, i, j, level, val, run;
+ int code, i, j, val, run;
+ unsigned level;
if (*EOBRUN) {
(*EOBRUN)--;