Opened 5 years ago
Closed 5 years ago
#8238 closed defect (fixed)
left shift of 255 by 24 places cannot be represented in type 'int' at libavfilter/vsrc_testsrc.c:994
Reported by: | Suhwan | Owned by: | |
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Priority: | normal | Component: | undetermined |
Version: | git-master | Keywords: | ubsan |
Cc: | Blocked By: | ||
Blocking: | Reproduced by developer: | no | |
Analyzed by developer: | no |
Description
Summary of the bug:
There is a left shift of 255 by 24 places cannot be represented in type 'int' at libavfilter/vsrc_testsrc.c:994
libavfilter/vsrc_testsrc.c:994:93: runtime error: left shift of 255 by 24 places cannot be represented in type 'int' SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior libavfilter/vsrc_testsrc.c:994:93 in
How to reproduce:
% ffmpeg_g -t 3 -y -i $PoC -filter_complex rgbtestsrc -target dv -loglevel 0 -map 0 -c:a:6 sgi -disposition:s:7 mjpeg -vframes 68 -r 47 -ar 22050 tmp.mpegtsraw ffmpeg version N-95291-g5345965b3f 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-usan
Attachments (2)
Change History (3)
by , 5 years ago
Attachment: | gdb-vsrc_testsrc994 added |
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by , 5 years ago
Attachment: | PoC_vsrc_test994.tga added |
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comment:1 by , 5 years ago
Resolution: | → fixed |
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Status: | new → closed |
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