ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Wed May 10 18:51:58 2017 +0200| [6ea428789371fa0601e9ebb5b7f2216d4e73e831] | committer: Michael Niedermayer
avcodec/dss_sp: Fix runtime error: signed integer overflow: 2147481189 + 4096 cannot be represented in type 'int' Fixes: 1441/clusterfuzz-testcase-minimized-6223152357048320 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=6ea428789371fa0601e9ebb5b7f2216d4e73e831 --- libavcodec/dss_sp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/dss_sp.c b/libavcodec/dss_sp.c index 2100936e51..14025fcdde 100644 --- a/libavcodec/dss_sp.c +++ b/libavcodec/dss_sp.c @@ -529,7 +529,7 @@ static void dss_sp_shift_sq_sub(const int32_t *filter_buf, for (i = 14; i > 0; i--) error_buf[i] = error_buf[i - 1]; - tmp = (tmp + 4096) >> 13; + tmp = (int)(tmp + 4096U) >> 13; error_buf[1] = tmp; _______________________________________________ ffmpeg-cvslog mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
