(gdb) r -i f.wav
Starting program: /media/sdb1/ffmpeg-snapshot/ffmpeg_g -i f.wav
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
ffmpeg version 2.3.git Copyright (c) 2000-2014 the FFmpeg developers
built on Aug 14 2014 23:56:56 with gcc 4.7 (Debian 4.7.2-5)
configuration: --disable-yasm --enable-gpl --disable-ffserver --disable-ffprobe
libavutil 54. 3.100 / 54. 3.100
libavcodec 56. 0.101 / 56. 0.101
libavformat 56. 1.100 / 56. 1.100
libavdevice 56. 0.100 / 56. 0.100
libavfilter 5. 0.100 / 5. 0.100
libswscale 3. 0.100 / 3. 0.100
libswresample 1. 0.100 / 1. 0.100
libpostproc 53. 0.100 / 53. 0.100
[wav @ 0x93af340] too big INFO subchunk
Program received signal SIGFPE, Arithmetic exception.
0x08a1261b in __divdi3 ()
(gdb) bt
#0 0x08a1261b in __divdi3 ()
#1 0x0829a043 in wav_read_header (s=0x93af340) at libavformat/wavdec.c:405
#2 0x08294543 in avformat_open_input (ps=ps@entry=0xbffff44c,
filename=filename@entry=0xbffffb7b "f.wav", fmt=fmt@entry=0x0,
options=0x93a884c) at libavformat/utils.c:437
#3 0x080be28d in open_input_file (o=o@entry=0xbffff54c,
filename=<optimized out>) at ffmpeg_opt.c:870
#4 0x080b7d17 in open_files (inout=inout@entry=0x8a76cbb "input",
open_file=open_file@entry=0x80bdf90 <open_input_file>,
l=<error reading variable: Unhandled dwarf expression opcode 0xfa>,
l=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
at ffmpeg_opt.c:2670
#5 0x080bff09 in ffmpeg_parse_options (argc=argc@entry=3,
argv=argv@entry=0xbffff9f4) at ffmpeg_opt.c:2707
#6 0x080af43a in main (argc=3, argv=0xbffff9f4) at ffmpeg.c:3824
(gdb)
knoppix@Microknoppix:/media/sdb1$ valgrind --leak-check=full ffmpeg-snapshot/ffmpeg_g -i f.wav
==8353== Memcheck, a memory error detector
==8353== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.
==8353== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright info
==8353== Command: ffmpeg-snapshot/ffmpeg_g -i f.wav
==8353==
ffmpeg version 2.3.git Copyright (c) 2000-2014 the FFmpeg developers
built on Aug 14 2014 23:56:56 with gcc 4.7 (Debian 4.7.2-5)
configuration: --disable-yasm --enable-gpl --disable-ffserver --disable-ffprobe
libavutil 54. 3.100 / 54. 3.100
libavcodec 56. 0.101 / 56. 0.101
libavformat 56. 1.100 / 56. 1.100
libavdevice 56. 0.100 / 56. 0.100
libavfilter 5. 0.100 / 5. 0.100
libswscale 3. 0.100 / 3. 0.100
libswresample 1. 0.100 / 1. 0.100
libpostproc 53. 0.100 / 53. 0.100
[wav @ 0x4226560] too big INFO subchunk
==8353==
==8353== Process terminating with default action of signal 8 (SIGFPE)
==8353== Integer divide by zero at address 0x65A0A7AD
==8353== at 0x8A12614: __divdi3 (in /media/sdb1/ffmpeg-snapshot/ffmpeg_g)
==8353== by 0x829A042: wav_read_header (wavdec.c:405)
==8353== by 0x8294542: avformat_open_input (utils.c:437)
==8353== by 0x18: ???
==8353==
==8353== HEAP SUMMARY:
==8353== in use at exit: 87,026 bytes in 52 blocks
==8353== total heap usage: 80 allocs, 28 frees, 125,442 bytes allocated
==8353==
==8353== LEAK SUMMARY:
==8353== definitely lost: 0 bytes in 0 blocks
==8353== indirectly lost: 0 bytes in 0 blocks
==8353== possibly lost: 0 bytes in 0 blocks
==8353== still reachable: 87,026 bytes in 52 blocks
==8353== suppressed: 0 bytes in 0 blocks
==8353== Reachable blocks (those to which a pointer was found) are not shown.
==8353== To see them, rerun with: --leak-check=full --show-reachable=yes
==8353==
==8353== For counts of detected and suppressed errors, rerun with: -v
==8353== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 59 from 6)
Floating point exception
Fixed in 853c1fb66835123c87178420816cff58c18548ed