[FFmpeg-trac] #8314(undetermined:new): memory leaks in wtvfile_open_sector()
FFmpeg
trac at avcodec.org
Sat Oct 19 19:43:42 EEST 2019
#8314: memory leaks in wtvfile_open_sector()
-------------------------------------+-------------------------------------
Reporter: Suhwan | Type: defect
Status: new | Priority: important
Component: | Version: git-
undetermined | master
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
There're memory leaks detected in wtvfile_open_sector()
How to reproduce:
{{{
% ffmpeg_g -i $PoC tmp.lxf
ffmpeg version N-95464-g7056ddc0e0 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
}}}
Here's Valgrind log
{{{
==10445== HEAP SUMMARY:
==10445== in use at exit: 5,236 bytes in 38 blocks
==10445== total heap usage: 102 allocs, 64 frees, 79,475 bytes allocated
==10445==
==10445== 4,412 (264 direct, 4,148 indirect) bytes in 1 blocks are
definitely lost in loss record 33 of 33
==10445== at 0x9FE3E76: memalign (in /usr/lib/valgrind
/vgpreload_memcheck-amd64-linux.so)
==10445== by 0x9FE3F91: posix_memalign (in /usr/lib/valgrind
/vgpreload_memcheck-amd64-linux.so)
==10445== by 0x592EC7D: av_malloc (mem.c:87)
==10445== by 0x14731F6: avio_alloc_context (aviobuf.c:140)
==10445== by 0x1AB7BA6: wtvfile_open_sector (wtvdec.c:238)
==10445== by 0x1AB7BA6: wtvfile_open2 (wtvdec.c:289)
==10445== by 0x1AB3355: read_header (wtvdec.c:989)
==10445== by 0x1A145FC: avformat_open_input (utils.c:633)
==10445== by 0x42FFF7: open_input_file (ffmpeg_opt.c:1105)
==10445== by 0x42DE5E: open_files (ffmpeg_opt.c:3283)
==10445== by 0x42DB4F: ffmpeg_parse_options (ffmpeg_opt.c:3323)
==10445== by 0x487BB3: main (ffmpeg.c:4862)
==10445==
==10445== LEAK SUMMARY:
==10445== definitely lost: 264 bytes in 1 blocks
==10445== indirectly lost: 4,148 bytes in 3 blocks
==10445== possibly lost: 0 bytes in 0 blocks
==10445== still reachable: 824 bytes in 34 blocks
==10445== suppressed: 0 bytes in 0 blocks
==10445== Reachable blocks (those to which a pointer was found) are not
shown.
==10445== To see them, rerun with: --leak-check=full --show-leak-kinds=all
==10445==
==10445== For counts of detected and suppressed errors, rerun with: -v
==10445== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)
}}}
Please confirm.
Thanks
--
Ticket URL: <https://trac.ffmpeg.org/ticket/8314>
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