[FFmpeg-trac] #2903(undetermined:new): png: invalid write
FFmpeg
trac at avcodec.org
Mon Aug 26 18:42:47 CEST 2013
#2903: png: invalid write
-------------------------------------+-------------------------------------
Reporter: ami_stuff | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: unspecified | undetermined
Keywords: | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
-------------------------------------+-------------------------------------
Comment (by ami_stuff):
Replying to [comment:2 richardpl]:
> That is unrelated issue that have been fixed.
> Does same happens with -threads 1?
It crashes here with some win32 autobuild which I downloaded when ran with
-threads 2 or 4, but not with 1 or 8.
{{{
{{{
C:\>ffmpeg -threads 4 -i png_fuzz.mov -f null -
ffmpeg version N-55763-g22fbc7f Copyright (c) 2000-2013 the FFmpeg
developers
built on Aug 26 2013 02:23:51 with gcc 4.5.0 (GCC) 20100414 (Fedora
MinGW 4.5.
0-1.fc14)
configuration: --prefix=/var/www/users/research/ffmpeg/snapshots/build
--arch=
x86 --target-os=mingw32 --cross-prefix=i686-pc-mingw32- --cc='ccache i686
-pc-min
gw32-gcc' --enable-pthreads --enable-memalign-hack --enable-runtime-
cpudetect --
enable-cross-compile --enable-static --disable-shared --extra-
libs='-lws2_32 -lw
inmm -lpthread' --extra-cflags='--static
-I/var/www/users/research/ffmpeg/snapsh
ots/build/include' --extra-ldflags='-static
-L/var/www/users/research/ffmpeg/sna
pshots/build/lib' --enable-bzlib --enable-zlib --enable-gpl --enable-
version3 --
enable-nonfree --enable-libx264 --enable-libspeex --enable-libtheora
--enable-li
bvorbis --enable-libfaac --enable-libxvid --enable-libopencore-amrnb
--enable-li
bopencore-amrwb --enable-libmp3lame --enable-libfreetype --enable-libvpx
--disab
le-decoder=libvpx
libavutil 52. 42.100 / 52. 42.100
libavcodec 55. 29.100 / 55. 29.100
libavformat 55. 14.102 / 55. 14.102
libavdevice 55. 3.100 / 55. 3.100
libavfilter 3. 82.102 / 3. 82.102
libswscale 2. 5.100 / 2. 5.100
libswresample 0. 17.103 / 0. 17.103
libpostproc 52. 3.100 / 52. 3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'png_fuzz.mov':
Metadata:
major_brand : qt
minor_version : 537199360
compatible_brands: qt
creation_time : 2012-03-24 20:33:27
Duration: 00:00:05.96, start: 0.000000, bitrate: 7021 kb/s
Stream #0:0(eng): Video: png (png / 0x20676E70), rgba, 189x127 [SAR
2834:28
34 DAR 189:127], 7019 kb/s, 24 fps, 24 tbr, 1000k tbn, 1000k tbc (default)
Metadata:
creation_time : 2012-03-24 20:33:27
handler_name : Procedura obs│ugi skrˇtˇw danych Apple
Output #0, null, to 'pipe:':
Metadata:
major_brand : qt
minor_version : 537199360
compatible_brands: qt
encoder : Lavf55.14.102
Stream #0:0(eng): Video: rawvideo (RGBA / 0x41424752), rgba, 189x127
[SAR 1:
1 DAR 189:127], q=2-31, 200 kb/s, 90k tbn, 24 tbc (default)
Metadata:
creation_time : 2012-03-24 20:33:27
handler_name : Procedura obs│ugi skrˇtˇw danych Apple
Stream mapping:
Stream #0:0 -> #0:0 (png -> rawvideo)
Press [q] to stop, [?] for help
[png @ 0x2127240] chunk too big
[png @ 0x216c000] inflate returned error -3
[null @ 0x2163020] [png @ 0x21284c0] Encoder did not produce proper pts,
making
some up.
inflate returned error -3
[png @ 0x21255e0] Error while decoding stream #0:0: Invalid data found
when proc
essing input
inflate returned error -3
[png @ 0x216c000] Error while decoding stream #0:0: Invalid data found
when proc
essing input
inflate returned error -3
[png @ 0x2127240] Error while decoding stream #0:0: Invalid data found
when proc
essing input
chunk too big
[png @ 0x21284c0] Error while decoding stream #0:0: Invalid data found
when proc
essing input
Missing png signature
Error while decoding stream #0:0: Invalid data found when processing input
[png @ 0x21255e0] inflate returned error -3
[png @ 0x216c000] Error while decoding stream #0:0: Invalid data found
when proc
essing input
chunk too big
[png @ 0x2127240] Error while decoding stream #0:0: Invalid data found
when proc
essing input
chunk too big
[png @ 0x21284c0] Error while decoding stream #0:0: Invalid data found
when proc
essing input
chunk too big
Error while decoding stream #0:0: Invalid data found when processing input
Last message repeated 2 times
}}}
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2903#comment:3>
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