[FFmpeg-trac] #8311(undetermined:new): memory leaks in ff_frame_pool_get()

FFmpeg trac at avcodec.org
Sat Oct 19 09:52:40 EEST 2019


#8311: memory leaks in ff_frame_pool_get()
-------------------------------------+-------------------------------------
             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 are memory leaks detected in ff_frame_pool_get()
 How to reproduce:
 {{{
 % ffmpeg_g -y -i $PoC -filter_complex decimate -target svcd -loglevel 0
 -vbsf vp9_superframe -c:s:17 g726le tmp.s16le

 ffmpeg version N-95458-g9f023017ab 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

 {{{
 ==17566== HEAP SUMMARY:
 ==17566==     in use at exit: 13,525 bytes in 17 blocks
 ==17566==   total heap usage: 3,135 allocs, 3,118 frees, 2,049,475 bytes
 allocated
 ==17566==
 ==17566== 13,493 (536 direct, 12,957 indirect) bytes in 1 blocks are
 definitely lost in loss record 7 of 7
 ==17566==    at 0x9FE2E76: memalign (in /usr/lib/valgrind
 /vgpreload_memcheck-amd64-linux.so)
 ==17566==    by 0x9FE2F91: posix_memalign (in /usr/lib/valgrind
 /vgpreload_memcheck-amd64-linux.so)
 ==17566==    by 0x592E8E9: av_malloc (mem.c:87)
 ==17566==    by 0x592E8E9: av_mallocz (mem.c:238)
 ==17566==    by 0x5902A7D: av_frame_alloc (frame.c:191)
 ==17566==    by 0x64FD65: ff_frame_pool_get (framepool.c:201)
 ==17566==    by 0xFB85EC: ff_default_get_video_buffer (video.c:90)
 ==17566==    by 0xD1FF43: scale_frame (vf_scale.c:460)
 ==17566==    by 0xD1F15C: filter_frame (vf_scale.c:549)
 ==17566==    by 0x5D002C: ff_filter_frame_framed (avfilter.c:1084)
 ==17566==    by 0x5D002C: ff_filter_frame_to_filter (avfilter.c:1232)
 ==17566==    by 0x5D002C: ff_filter_activate_default (avfilter.c:1281)
 ==17566==    by 0x5D002C: ff_filter_activate (avfilter.c:1443)
 ==17566==    by 0x5F4434: push_frame (buffersrc.c:187)
 ==17566==    by 0x5F4434: av_buffersrc_add_frame_internal
 (buffersrc.c:261)
 ==17566==    by 0x5F300D: av_buffersrc_add_frame_flags (buffersrc.c:170)
 ==17566==    by 0x4CAD7F: ifilter_send_frame (ffmpeg.c:2186)
 ==17566==    by 0x4CAD7F: send_frame_to_filters (ffmpeg.c:2260)
 ==17566==
 ==17566== LEAK SUMMARY:
 ==17566==    definitely lost: 536 bytes in 1 blocks
 ==17566==    indirectly lost: 12,957 bytes in 15 blocks
 ==17566==      possibly lost: 0 bytes in 0 blocks
 ==17566==    still reachable: 32 bytes in 1 blocks
 ==17566==         suppressed: 0 bytes in 0 blocks
 ==17566== Reachable blocks (those to which a pointer was found) are not
 shown.
 ==17566== To see them, rerun with: --leak-check=full --show-leak-kinds=all
 ==17566==
 ==17566== For counts of detected and suppressed errors, rerun with: -v
 ==17566== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)

 }}}
 Please confirm.
 Thanks

--
Ticket URL: <https://trac.ffmpeg.org/ticket/8311>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker


More information about the FFmpeg-trac mailing list