#8149: singed integer overflow in libavformat/avidec.c
-------------------------------------+-------------------------------------
Reporter: Suhwan | Type: defect
Status: new | Priority: important
Component: | Version: git-
undetermined | master
Keywords: ubsan | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
There's a singed integer overflow in libavformat/avidec.c:1536:30
{{{
libavformat/avidec.c:1536:30: runtime error: signed integer overflow: 0 -
-9223372036854775808 cannot be represented in type 'long'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior
libavformat/avidec.c:1536:30 in
}}}
How to reproduce:
{{{
% ./ffmpeg_g -t 2 -stream_loop 14 -y -r 58 -i camcorder.avi -target dv
-map 0 -vframes 91 -aframes 106 -r 16 -b:v 38k output/tmp.stl
ffmpeg version N-94887-ge55018ee11 (git master)
built on ... ubuntu 18.04 with clang-6 and UBSAN option.
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/8149>
FFmpeg <https://ffmpeg.org>
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