[FFmpeg-trac] #8188(undetermined:new): heap-use-after-free from libavformat/mpegenc.c in mpeg_mux_write_packet
FFmpeg
trac at avcodec.org
Fri Sep 20 19:25:56 EEST 2019
#8188: heap-use-after-free from libavformat/mpegenc.c in mpeg_mux_write_packet
-------------------------------------+-------------------------------------
Reporter: Suhwan | Type: defect
Status: new | Priority: important
Component: | Version: git-
undetermined | master
Keywords: asan | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
There is a heap-use-after-free from libavformat/mpegenc.c in
mpeg_mux_write_packet.
{{{
SUMMARY: AddressSanitizer: heap-use-after-free
ffmpeg/libavformat/mpegenc.c:1187:30 in mpeg_mux_write_packet
}}}
How to reproduce:
{{{
% ./ffmpeg_g -stream_loop 14 -y -r 115 -i Event20120111133101017.avi
-loglevel 0 -map 0 -c copy -disposition:s:19 alias_pix tmp.mpeg
ffmpeg version N-94982-gea673a0edb Copyright (c) 2000-2019 the FFmpeg
developers
built with clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final)
configuration: --cc=clang --cxx=clang++ --ld=clang --enable-debug
--toolchain=clang-asan
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/8188>
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