[FFmpeg-trac] #8314(undetermined:new): memory leaks in wtvfile_open_sector()

[FFmpeg]

#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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