ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Sat May 13 01:12:35 2017 +0200| [e66488252335d3e7870c72d1ac7040e8c1853f07] | committer: Michael Niedermayer
avcodec/hq_hqadsp: Fix runtime error: signed integer overflow: 80359 * 30274 cannot be represented in type 'int' Fixes: 1507/clusterfuzz-testcase-minimized-4955228300378112 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e66488252335d3e7870c72d1ac7040e8c1853f07 --- libavcodec/hq_hqadsp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/hq_hqadsp.c b/libavcodec/hq_hqadsp.c index db1ea2e246..1b9f138c72 100644 --- a/libavcodec/hq_hqadsp.c +++ b/libavcodec/hq_hqadsp.c @@ -30,7 +30,7 @@ #define FIX_1_414 23170 #define FIX_2_613 21407 // divided by two to fit the range -#define IDCTMUL(a, b) ((a) * (b) >> 16) +#define IDCTMUL(a, b) ((int)((a) * (unsigned)(b)) >> 16) static inline void idct_row(int16_t *blk) { _______________________________________________ ffmpeg-cvslog mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
