[FFmpeg-trac] #7985(undetermined:new): undefined-behavior at libavcodec/vc2enc_dwt.c:69
FFmpeg
trac at avcodec.org
Tue Jul 2 06:07:19 EEST 2019
#7985: undefined-behavior at libavcodec/vc2enc_dwt.c:69
-------------------------------------+-------------------------------------
Reporter: Suhwan | Type: defect
Status: new | Priority: important
Component: | Version: git-
undetermined | master
Keywords: vc2enc_dwt | Blocked By:
ubsan |
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
There's an undefined-behavior at libavcodec/vc2enc_dwt.c:69:34
How to reproduce:
{{{
% ffmpeg_g -y -r 74 -i tmp.tiff -map 0 -c:a mpeg1video -c:v vc2
-disposition:a pgm -disposition:a flv -vframes 46 -r 3 -ab 731 -ar 22050
-b:v 716k tmp_.adx
ffmpeg version N-94149-g50e194e6e1 Copyright (c) 2000-2019 the FFmpeg
developers
built with clang version 9.0.0 (https://github.com/llvm/llvm-project.git
442a120567a4bc6c59bc754f9edabfb770086f36)
}}}
Patches should be submitted to the ffmpeg-devel mailing list and not this
bug tracker.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7985>
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