[FFmpeg-trac] #410(undetermined:new): Gwenview crashing with Ffmpeg 0.7.3

[FFmpeg]

#410: Gwenview crashing with Ffmpeg 0.7.3
------------------------+---------------------------
Reporter:  Wonko        |       Owner:
    Type:  defect       |      Status:  new
Priority:  normal       |   Component:  undetermined
 Version:  unspecified  |  Resolution:
Keywords:               |  Blocked By:
Blocking:               |  Reproduced:  0
Analyzed:  0            |
------------------------+---------------------------

Comment (by Wonko):

 Yes, that's line 543. It also has a comment "don't leak custom pb if it
 wasn't set above". Gentoo often introduces its own patches, but the
 version number should get a _rc<n> suffix then, which is not the case.

 {{{
 (gdb) disass $pc-32,$pc+32
 Dump of assembler code from 0x7fffd5f8b8d7 to 0x7fffd5f8b917:
    0x00007fffd5f8b8d7 <av_open_input_stream+119>:       lea
 0x48(%rsp),%r14
    0x00007fffd5f8b8dc <av_open_input_stream+124>:       lea
 0x40(%rsp),%rdi
    0x00007fffd5f8b8e1 <av_open_input_stream+129>:       mov    %rbx,%rdx
    0x00007fffd5f8b8e4 <av_open_input_stream+132>:       mov    %r13,%rsi
    0x00007fffd5f8b8e7 <av_open_input_stream+135>:       mov    %r14,%rcx
    0x00007fffd5f8b8ea <av_open_input_stream+138>:       callq
 0x7fffd5f8b460 <avformat_open_input>
    0x00007fffd5f8b8ef <av_open_input_stream+143>:       mov
 0x40(%rsp),%rdi
    0x00007fffd5f8b8f4 <av_open_input_stream+148>:       mov    %eax,%r15d
 => 0x00007fffd5f8b8f7 <av_open_input_stream+151>:       mov
 0x20(%rdi),%rax
    0x00007fffd5f8b8fb <av_open_input_stream+155>:       mov    %rdi,(%r12)
    0x00007fffd5f8b8ff <av_open_input_stream+159>:       test   %rax,%rax
    0x00007fffd5f8b902 <av_open_input_stream+162>:       cmove  %rbp,%rax
    0x00007fffd5f8b906 <av_open_input_stream+166>:       mov
 %rax,0x20(%rdi)
    0x00007fffd5f8b90a <av_open_input_stream+170>:       callq
 0x7fffd5f41c70 <ff_metadata_demux_compat>
    0x00007fffd5f8b90f <av_open_input_stream+175>:       mov    %r14,%rdi
    0x00007fffd5f8b912 <av_open_input_stream+178>:       callq
 0x7fffd5f076e8 <av_dict_free at plt>
 End of assembler dump.
 (gdb) info registers
 rax            0xffffffff       4294967295
 rbx            0x7fffd61c1420   140736785552416
 rcx            0xffffffff       4294967295
 rdx            0x145ee80        21360256
 rsi            0x0      0
 rdi            0x0      0
 rbp            0x7fffffff8570   0x7fffffff8570
 rsp            0x7fffffff0170   0x7fffffff0170
 r8             0x7ffff4ce0ea0   140737300532896
 r9             0x7ffff4ce0ef0   140737300532976
 r10            0x7ffff4ce0ef0   140737300532976
 r11            0x7fffd5cdb900   140736780417280
 r12            0x7fffffff88a8   140737488324776
 r13            0x7fffd6e726a2   140736798860962
 r14            0x7fffffff01b8   140737488290232
 r15            0xffffffff       4294967295
 rip            0x7fffd5f8b8f7   0x7fffd5f8b8f7 <av_open_input_stream+151>
 eflags         0x10202  [ IF RF ]
 cs             0x33     51
 ss             0x2b     43
 ds             0x0      0
 es             0x0      0
 fs             0x0      0
 gs             0x0      0
 (gdb) print ic
 $1 = (AVFormatContext *) 0x0
 (gdb) print filename
 $2 = 0x7fffd6e726a2 ""
 (gdb) print **ic_ptr
 $6 = {av_class = 0x145ee80, iformat = 0x7ffff4ce0ef8, oformat = 0x0,
 priv_data = 0x0,
   pb = 0x7fffffff8570, nb_streams = 2, streams = {0x13ce6e0, 0x145ee90,
     0x0 <repeats 18 times>}, filename = '\000' <repeats 1023 times>,
 timestamp = 0,
   title = '\000' <repeats 511 times>, author = '\000' <repeats 511 times>,
   copyright = '\000' <repeats 511 times>, comment = '\000' <repeats 511
 times>,
   album = '\000' <repeats 511 times>, year = 0, track = 0,
   genre = '\000' <repeats 31 times>, ctx_flags = 0, packet_buffer = 0x0,
   start_time = -9223372036854775808, duration = -9223372036854775808,
 file_size = 0,
   bit_rate = 0, cur_st = 0x0, cur_ptr_deprecated = 0x0, cur_len_deprecated
 = 0,
   cur_pkt_deprecated = {pts = 0, dts = 0, data = 0x0, size = 0,
 stream_index = 0,
     flags = 0, duration = 0, destruct = 0, priv = 0x0, pos = 0,
     convergence_duration = 0}, data_offset = 0, index_built = 0, mux_rate
 = 0,
   packet_size = 0, preload = 0, max_delay = 0, loop_output = 0, flags =
 128,
   loop_input = 0, probesize = 5000000, max_analyze_duration = 5000000, key
 = 0x0,
   keylen = 0, nb_programs = 0, programs = 0x0, video_codec_id =
 CODEC_ID_NONE,
   audio_codec_id = CODEC_ID_NONE, subtitle_codec_id = CODEC_ID_NONE,
   max_index_size = 1048576, max_picture_buffer = 3041280, nb_chapters =
 4294967295,
   chapters = 0x0, debug = 0, raw_packet_buffer = 0x0,
 raw_packet_buffer_end = 0x0,
   packet_buffer_end = 0x0, metadata = 0x0,
 raw_packet_buffer_remaining_size = 0,
   start_time_realtime = 0, fps_probe_size = -1, ts_id = 0}
 (gdb) print err
 $10 = -1
 }}}

-- 
Ticket URL: <https://avcodec.org/trac/ffmpeg/ticket/410#comment:7>
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