[FFmpeg-trac] #2093(avcodec:new): ffplay: crash when seeking with the mouse

[FFmpeg]

#2093: ffplay: crash when seeking with the mouse
-------------------------------------+-------------------------------------
             Reporter:  ami_stuff    |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  important    |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  crash        |               Blocked By:
  SIGSEGV leak                       |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by cehoyos):

 When compiling without threads, I see the following invalid read with
 valgrind that corresponds to the crash on Windows from comment:15, I
 cannot reproduce this crash and the invalid read if threads are enabled:
 {{{
 ==11602== Invalid read of size 1
 ==11602==    at 0xAA6B84: ff_er_frame_end (error_resilience.c:1190)
 ==11602==    by 0x911551: ff_rv34_decode_frame (rv34.c:1671)
 ==11602==    by 0x9852A0: avcodec_decode_video2 (utils.c:1940)
 ==11602==    by 0x461A88: video_thread (ffplay.c:1685)
 ==11602==    by 0x5CCDE95: ??? (in /usr/lib64/libSDL-1.2.so.0.11.4)
 ==11602==    by 0x5D10CD8: ??? (in /usr/lib64/libSDL-1.2.so.0.11.4)
 ==11602==    by 0x5F5EE0D: start_thread (in /lib64/libpthread-2.15.so)
 ==11602==    by 0x6B7B2CC: clone (in /lib64/libc-2.15.so)
 ==11602==  Address 0x1 is not stack'd, malloc'd or (recently) free'd
 ==11602==
 }}}

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2093#comment:16>
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