ffmpeg | branch: release/3.3 | Vitaly Buka <vitalybuka-at-google....@ffmpeg.org> | Sun Aug 20 11:56:47 2017 -0700| [b6a79b841dcdf8edebc38579088bf48a418c82dc] | committer: Michael Niedermayer
avcodec/utils: Fix signed integer overflow in rc_initial_buffer_occupancy initialization Signed integer overflow is undefined behavior. Detected with clang and -fsanitize=signed-integer-overflow Signed-off-by: Vitaly Buka <vitalyb...@google.com> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 8c2bb10ddfef1f151b9455d152c9aca91140a4b0) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b6a79b841dcdf8edebc38579088bf48a418c82dc --- libavcodec/utils.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/utils.c b/libavcodec/utils.c index 0c6883686e..9363026695 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -1568,7 +1568,7 @@ FF_ENABLE_DEPRECATION_WARNINGS } if (!avctx->rc_initial_buffer_occupancy) - avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3 / 4; + avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3LL / 4; if (avctx->ticks_per_frame && avctx->time_base.num && avctx->ticks_per_frame > INT_MAX / avctx->time_base.num) { _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
