[FFmpeg-trac] #4507(undetermined:new): smbclient cause ffmpeg crash

[FFmpeg]

#4507: smbclient cause ffmpeg crash
-------------------------------------+-------------------------------------
             Reporter:  chuan        |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 I enable smbclient.
 When read system hidden file, ffmpeg crash.
 As command, "AlbumArtSmall.jpg" is windows system hidden file,
 if set it as input file, then ffmpeg crashed

 How to reproduce:
 {{{
 % gdb --args ./ffmpeg_g -i smb://Samba:123456@mi-
 20141201vdpk/users/Administrator/Music//AlbumArtSmall.jpg -f ffmetas

 stacks:
 #0  0x00007ffff40d4841 in ?? () from /usr/lib/x86_64-linux-
 gnu/libsmbclient.so.0
 #1  0x00007ffff74d054f in ?? () from /usr/local/lib/libavformat.so.56
 #2  0x00007ffff74ebb59 in ?? () from /usr/local/lib/libavformat.so.56
 #3  0x00007ffff74ebb93 in ffurl_close () from
 /usr/local/lib/libavformat.so.56
 #4  0x00007ffff75ee6af in avformat_close_input () from
 /usr/local/lib/libavformat.so.56
 #5  0x0000000000423110 in ffmpeg_cleanup (ret=1) at ffmpeg.c:498
 #6  0x000000000040aae1 in exit_program (ret=1) at cmdutils.c:124
 #7  0x000000000040875f in main (argc=5, argv=0x7fffffffe098) at
 ffmpeg.c:4055


 version:
 ffmpeg version N-43282-gc4b2017 Copyright (c) 2000-2015 the FFmpeg
 developers
 built with gcc 4.9.1 (Ubuntu 4.9.1-16ubuntu6)
 configuration: --enable-shared --enable-gpl --enable-libsmbclient
 --enable-version3
 libavutil      54. 22.100 / 54. 22.100
 libavcodec     56. 34.100 / 56. 34.100
 libavformat    56. 29.100 / 56. 29.100
 libavdevice    56.  4.100 / 56.  4.100
 libavfilter     5. 13.101 /  5. 13.101
 libswscale      3.  1.101 /  3.  1.101
 libswresample   1.  1.100 /  1.  1.100
 libpostproc    53.  3.100 / 53.  3.100


 built on:
 built with gcc 4.9.1 (Ubuntu 4.9.1-16ubuntu6)
 }}}

 thanks

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4507>
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