[FFmpeg-trac] #4369(undetermined:new): FFmpeg uses 100% cpu while processing an invalid gif
FFmpeg
trac at avcodec.org
Tue Mar 17 16:15:54 CET 2015
#4369: FFmpeg uses 100% cpu while processing an invalid gif
--------------------------------------+----------------------------------
Reporter: masom | Type: defect
Status: new | Priority: normal
Component: undetermined | Version: 2.5.4
Keywords: gif | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
--------------------------------------+----------------------------------
Summary of the bug:
We received a weird gif that keeps ffmpeg transcoding at 100% cpu forever.
The gif data ( from `identify gif_timing0_loop_bomb.gif` returns the
following data:
{{{
tmpMh68Z4.gif[0] GIF 600x436 600x436+0+0 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[1] GIF 53x42 600x436+547+177 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[2] GIF 212x42 600x436+388+177 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[3] GIF 307x45 600x436+247+178 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[4] GIF 254x42 600x436+159+182 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[5] GIF 27x36 600x436+154+190 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[6] GIF 62x85 600x436+538+111 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[7] GIF 128x125 600x436+472+111 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[8] GIF 163x138 600x436+437+115 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[9] GIF 138x155 600x436+420+104 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[10] GIF 160x155 600x436+343+104 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[11] GIF 169x120 600x436+312+116 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[12] GIF 175x138 600x436+293+105 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[13] GIF 156x156 600x436+259+98 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[14] GIF 151x156 600x436+190+98 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[15] GIF 168x121 600x436+160+119 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[16] GIF 159x159 600x436+160+97 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[17] GIF 139x159 600x436+138+97 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[18] GIF 157x130 600x436+138+111 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[19] GIF 260x247 600x436+65+94 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[20] GIF 259x247 600x436+65+94 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[21] GIF 256x245 600x436+65+96 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[22] GIF 254x243 600x436+65+98 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[23] GIF 251x240 600x436+65+101 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[24] GIF 249x238 600x436+65+103 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[25] GIF 246x236 600x436+65+105 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[26] GIF 244x234 600x436+65+107 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[27] GIF 242x232 600x436+65+109 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[28] GIF 239x230 600x436+65+111 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[29] GIF 237x227 600x436+65+113 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[30] GIF 234x225 600x436+65+115 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[31] GIF 232x223 600x436+65+117 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[32] GIF 231x221 600x436+64+119 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[33] GIF 228x219 600x436+64+121 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[34] GIF 226x216 600x436+64+124 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[35] GIF 223x214 600x436+64+126 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[36] GIF 221x212 600x436+64+128 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[37] GIF 218x210 600x436+64+130 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[38] GIF 216x208 600x436+64+132 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[39] GIF 214x206 600x436+64+134 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[40] GIF 211x204 600x436+64+136 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[41] GIF 209x202 600x436+64+138 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[42] GIF 206x200 600x436+64+140 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[43] GIF 204x198 600x436+64+142 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[44] GIF 202x195 600x436+64+145 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[45] GIF 199x193 600x436+64+147 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[46] GIF 197x191 600x436+64+149 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[47] GIF 194x189 600x436+64+151 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[48] GIF 192x187 600x436+64+153 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[49] GIF 190x185 600x436+64+155 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[50] GIF 187x183 600x436+64+157 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[51] GIF 185x181 600x436+64+159 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[52] GIF 182x179 600x436+64+161 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[53] GIF 180x177 600x436+64+163 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[54] GIF 177x175 600x436+64+165 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[55] GIF 175x173 600x436+64+167 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[56] GIF 173x170 600x436+64+170 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[57] GIF 171x168 600x436+63+172 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[58] GIF 168x166 600x436+64+174 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[59] GIF 166x164 600x436+63+176 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[60] GIF 164x162 600x436+63+178 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[61] GIF 162x160 600x436+63+180 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[62] GIF 159x158 600x436+63+182 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[63] GIF 157x156 600x436+63+184 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[64] GIF 154x154 600x436+63+186 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[65] GIF 152x152 600x436+63+188 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[66] GIF 149x150 600x436+63+190 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[67] GIF 147x147 600x436+63+193 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[68] GIF 144x145 600x436+63+195 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[69] GIF 142x143 600x436+63+197 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[70] GIF 140x141 600x436+63+199 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[71] GIF 137x139 600x436+63+201 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[72] GIF 135x137 600x436+63+203 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[73] GIF 132x135 600x436+63+205 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[74] GIF 130x133 600x436+63+207 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[75] GIF 127x131 600x436+63+209 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[76] GIF 125x129 600x436+63+211 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[77] GIF 123x126 600x436+63+214 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[78] GIF 120x124 600x436+63+216 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[79] GIF 118x122 600x436+63+218 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[80] GIF 115x120 600x436+63+220 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[81] GIF 113x118 600x436+63+222 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[82] GIF 248x340 600x436+63+0 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[83] GIF 283x340 600x436+62+0 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[84] GIF 283x340 600x436+62+0 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[85] GIF 284x344 600x436+64+0 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[86] GIF 172x184 600x436+49+173 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[87] GIF 214x199 600x436+18+171 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[88] GIF 220x165 600x436+18+204 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[89] GIF 234x97 600x436+20+201 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[90] GIF 263x167 600x436+17+195 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[91] GIF 272x170 600x436+17+195 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[92] GIF 211x57 600x436+43+318 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[93] GIF 573x436 600x436+27+0 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[94] GIF 467x365 600x436+133+0 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[95] GIF 266x182 600x436+150+80 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[96] GIF 445x365 600x436+155+0 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[97] GIF 415x365 600x436+185+0 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[98] GIF 172x365 600x436+428+0 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[99] GIF 172x365 600x436+428+0 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[100] GIF 171x365 600x436+429+0 8-bit sRGB 256c 859KB 0.000u
0:00.000
tmpMh68Z4.gif[101] GIF 170x365 600x436+430+0 8-bit sRGB 256c 859KB 0.000u
0:00.000
}}}
How to reproduce:
{{{
% ffmpeg -y -f gif -i gif_timing0_loop_bomb.gif test.mp4
ffmpeg version 2.5.4 Copyright (c) 2000-2015 the FFmpeg developers
built on Feb 15 2015 20:17:10 with Apple LLVM version 6.0
(clang-600.0.56) (based on LLVM 3.5svn)
configuration: --prefix=/usr/local/Cellar/ffmpeg/2.5.4 --enable-shared
--enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables
--enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-
libx264 --enable-libmp3lame --enable-libvo-aacenc --enable-libxvid
--enable-vda
libavutil 54. 15.100 / 54. 15.100
libavcodec 56. 13.100 / 56. 13.100
libavformat 56. 15.102 / 56. 15.102
libavdevice 56. 3.100 / 56. 3.100
libavfilter 5. 2.103 / 5. 2.103
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 3.100 / 53. 3.100
Input #0, gif, from 'tmpMh68Z4.gif':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: gif, bgra, 600x436, 0k fps, 6.67 tbr, 100 tbn, 100
tbc
No pixel format specified, yuv444p for H.264 encoding chosen.
Use -pix_fmt yuv420p for compatibility with outdated media players.
[libx264 @ 0x7fe5ca800c00] using cpu capabilities: MMX2 SSE2Fast SSSE3
SSE4.2 AVX
[libx264 @ 0x7fe5ca800c00] profile High 4:4:4 Predictive, level 2.2, 4:4:4
8-bit
[libx264 @ 0x7fe5ca800c00] 264 - core 142 r2495 6a301b6 - H.264/MPEG-4 AVC
codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options:
cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1
psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1
cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=4 threads=12
lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0
bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1
b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=6
scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0
qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'test.mp4':
Metadata:
encoder : Lavf56.15.102
Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv444p,
600x436, q=-1--1, 6.67 fps, 10240 tbn, 6.67 tbc
Metadata:
encoder : Lavc56.13.100 libx264
Stream mapping:
Stream #0:0 -> #0:0 (gif (native) -> h264 (libx264))
Press [q] to stop, [?] for help
frame= 8738 fps=1810 q=24.0 size= 668kB time=00:21:42.00 bitrate=
4.2kbits/s dup=8736 drop=0
Last message repeated 1289 times
frame=52428 fps=820 q=-1.0 Lsize= 4450kB time=02:10:55.50 bitrate=
4.6kbits/s dup=52416 drop=0
video:4570kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
[libx264 @ 0x7fe5ca800c00] frame I:210 Avg QP: 3.46 size: 16470
[libx264 @ 0x7fe5ca800c00] frame P:13216 Avg QP: 4.30 size: 33
[libx264 @ 0x7fe5ca800c00] frame B:39002 Avg QP: 8.67 size: 20
[libx264 @ 0x7fe5ca800c00] consecutive B-frames: 0.8% 0.0% 0.0% 99.2%
[libx264 @ 0x7fe5ca800c00] mb I I16..4: 84.0% 0.8% 15.2%
[libx264 @ 0x7fe5ca800c00] mb P I16..4: 0.0% 0.0% 0.0% P16..4: 0.0%
0.0% 0.0% 0.0% 0.0% skip:100.0%
[libx264 @ 0x7fe5ca800c00] mb B I16..4: 0.0% 0.0% 0.0% B16..8: 0.0%
0.0% 0.0% direct: 0.0% skip:100.0% L0:23.5% L1:76.5% BI: 0.0%
[libx264 @ 0x7fe5ca800c00] 8x8 transform intra:0.9% inter:0.4%
[libx264 @ 0x7fe5ca800c00] coded y,u,v intra: 12.3% 6.3% 7.6% inter: 0.0%
0.0% 0.0%
[libx264 @ 0x7fe5ca800c00] i16 v,h,dc,p: 95% 1% 4% 0%
[libx264 @ 0x7fe5ca800c00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 59% 15% 25% 0%
0% 0% 0% 0% 0%
[libx264 @ 0x7fe5ca800c00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 18% 20% 14% 4%
8% 24% 4% 4% 3%
[libx264 @ 0x7fe5ca800c00] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x7fe5ca800c00] ref P L0: 90.9% 0.2% 6.0% 2.9%
[libx264 @ 0x7fe5ca800c00] ref B L0: 52.6% 47.4%
[libx264 @ 0x7fe5ca800c00] ref B L1: 100.0% 0.0%
[libx264 @ 0x7fe5ca800c00] kb/s:4.76
Received signal 2: terminating.
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/4369>
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