[FFmpeg-trac] #8282(undetermined:new): invalid free at at libavfilter/avfilter.c:771 (was: invalid free at libavutil/dict.c:209)

[FFmpeg]

#8282: invalid free at at libavfilter/avfilter.c:771
-------------------------------------+-------------------------------------
             Reporter:  Suhwan       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by Suhwan):

 {{{
 ffmpeg version N-95389-gdd01947397 Copyright (c) 2000-2019 the FFmpeg
 developers
 built with clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final)
 }}}
 {{{
 free(): invalid size

 Thread 1 "ffmpeg_g" received signal SIGABRT, Aborted.
 __GI_raise (sig=sig at entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
 51      ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
 (gdb) bt
 #0  __GI_raise (sig=sig at entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
 #1  0x00007ffff5cb2801 in __GI_abort () at abort.c:79
 #2  0x00007ffff5cfb897 in __libc_message (action=action at entry=do_abort,
 fmt=fmt at entry=0x7ffff5e28b9a "%s\n") at ../sysdeps/posix/libc_fatal.c:181
 #3  0x00007ffff5d0290a in malloc_printerr (str=str at entry=0x7ffff5e26da0
 "free(): invalid size") at malloc.c:5350
 #4  0x00007ffff5d09e2c in _int_free (have_lock=0, p=0x914a6f0, av=0x0) at
 malloc.c:4161
 #5  __GI___libc_free (mem=0x914a700) at malloc.c:3124
 #6  0x00000000005ca023 in avfilter_free (filter=0x9148440) at
 libavfilter/avfilter.c:771
 #7  0x00000000005d5fd8 in avfilter_graph_free (graph=0x910b710) at
 libavfilter/avfiltergraph.c:126
 #8  0x000000000048814b in ffmpeg_cleanup (ret=0) at fftools/ffmpeg.c:494
 #9  0x0000000000474463 in exit_program (ret=0) at fftools/cmdutils.c:139
 #10 0x0000000000487eef in main (argc=<optimized out>, argv=<optimized
 out>) at fftools/ffmpeg.c:4901
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/8282#comment:1>
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