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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-24 13:56:33 +02:00

91364 Commits

Author SHA1 Message Date
Michael Niedermayer
775ff2e331 avcodec/wmalosslessdec: Fix some integer anomalies
Fixes: left shift of negative value -341180
Fixes: 18401/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5686380134400000

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d3dee676b8a8ab6752c599e25c9b5461f06a3959)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
6a57429b0c avcodec/adpcm: Fix invalid shifts in ADPCM DTK
Fixes: left shift of negative value -1
Fixes: 18397/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_DTK_fuzzer-5675653487132672

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 34e701ff93b664703e1bc1b1a6073fa058b02f34)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
d2c6061322 avcodec/apedec: Only clear the needed buffer space, instead of all
Fixes: Timeout (15sec -> 0.4sec)
Fixes: 18396/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5730080487112704

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f17ea0200178a4dae446a6bec2f68312f41714a0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
2d8d84b050 avcodec/libvorbisdec: Fix insufficient input checks leading to out of array reads
Fixes: 16144/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LIBVORBIS_fuzzer-5638618940440576
Fixes: out of array read

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 069be4aa5ddce4479b18896d80a852b144e680df)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
7c48066e29 avcodec/g723_1dec: fix invalid shift with negative sid_gain
Fixes: left shift of negative value -1
Fixes: 18395/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G723_1_fuzzer-5710313034350592

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1850c3feaa1c7b5b63a55c61075029fa59c84e66)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
6cc6e8036f avcodec/vp5: Check render_x/y
Fixes: Timeout (15sec -> 91ms)
Fixes: 18353/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VP5_fuzzer-5704150326706176

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 698e042c77ecb5b0d616de254adc783e8b61b9c4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
b4ff22f26b avcodec/qdrw: Check input for header/skiped space before get_buffer()
Fixes: Timeout (21sec -> 0.8sec)
Fixes: 17990/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDRAW_fuzzer-5200374436200448

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b63fbc19c09d0b42da4f83c21fcf362d6ed7c545)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
4404729de7 avcodec/ralf: Skip initializing unused filter variables
Fixes: left shift of negative value -1
Fixes: 17890/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5643307467669504

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f4ecf6c39de9a7cc1dae70cf87c225771001e883)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
f80a9de83f avcodec/takdec: Fix overflow with large sample rates
Fixes: signed integer overflow: 2147483647 + 511 cannot be represented in type 'int'
Fixes: 17899/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TAK_fuzzer-5719753322135552

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 42eb78059d149abcd994f46c8b8a0dd98e86b594)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
fcd38fcb1e avcodec/alsdec: Check that input space for header exists in read_diff_float_data()
Fixes: Timeout (21sec -> 8sec)
Fixes: 17832/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5737092172218368

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 09581f7923ed9af7719762868e8f1ff626ea8374)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
15320f8107 avformat/pjsdec: Check duration for overflow
Fixes: signed integer overflow: -3 - 9223372036854775807 cannot be represented in type 'long'
Fixes: 17828/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5645915116797952

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1efaac69328bdc17680924c71be7ec990f0e8f2c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
13b4f63dd2 avcodec/ptx: Check that the input contains at least one line
Fixes: Timeout (19sec -> 44ms)
Fixes: 17816/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PTX_fuzzer-5704459950227456

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a6ad328256fe6a6ace7d1e15f3515afccf1247fc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
cac656331e avcodec/alac: Fix integer overflow in LPC
Fixes: signed integer overflow: 2147483628 + 128 cannot be represented in type 'int'
Fixes: 17783/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-5146470595952640

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 44b73a0568f8ad5993ec79b29873151f316bf95c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
5d4036d0b2 avcodec/smacker: Fix integer overflows in pred[] in smka_decode_frame()
Fixes: signed integer overflow: -2147481503 + -32732 cannot be represented in type 'int'
Fixes: 17782/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SMACKAUD_fuzzer-5769672225456128

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a76897e19ca96127e07f5acc5a773b904dcf6124)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
188204da6c avcodec/aliaspixdec: Check input size against minimal picture size
Fixes: Timeout (15sec -> 72ms)
Fixes: 17774/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALIAS_PIX_fuzzer-5193929107963904

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8c693104779830028bd5f76bf32a93e059c04d2c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
d999bbe798 avcodec/ffwavesynth: Fix integer overflows in pink noise addition
Fixes: signed integer overflow: -1795675744 + -1926578528 cannot be represented in type 'int'
Fixes: 17741/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5131336402075648

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7916b6863caec55d7e64758a1bfe436834f2faf6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
bd0819ad5b avcodec/vc1_block: Fixes integer overflow in vc1_decode_i_block_adv()
Fixes: signed integer overflow: 62220 * 262144 cannot be represented in type 'int'
Fixes: 17145/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-5667394743173120

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6fdeb208172dc95b29b965a0cc365ca0925e151e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
b91ae0cd39 avcodec/wmalosslessdec: Check block_align
Fixes: NULL pointer dereference
Fixes: 18331/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5652847445671936

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c1c799271eefb8afe22804a710baa5cbaad57d91)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
fa713c4c24 avcodec/g729postfilter: Fix left shift of negative value
Fixes: Ticket8176

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5f0acc5064ed501cb40d4aaccae2b3ce5c4552fd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
9614740bbd avcodec/binkaudio: Check sample rate
Fixes: signed integer overflow: 1092624416 * 2 cannot be represented in type 'int'
Fixes: 18045/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BINKAUDIO_RDFT_fuzzer-5718519492116480

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2fca09bce49c7de590560d9517fd2414b6c0c14f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
f00822d049 avcodec/sbcdec: Fix integer overflows in sbc_synthesize_eight()
Fixes: signed integer overflow: 518484152 + 1868182638 cannot be represented in type 'int'
Fixes: 17732/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SBC_fuzzer-5663738132168704

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c70d547751cb3b536f9bca8b060d94f527695b71)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
801eeb948b avcodec/adpcm: Check initial predictor for ADPCM_IMA_EA_EACS
Fixes: signed integer overflow: -2147483360 - 631 cannot be represented in type 'int'
Fixes: 17701/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_IMA_EA_EACS_fuzzer-5711517319692288

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2f66e8436d89963362acf533a60ed4fedb42546e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
9d6b1a9c2b avcodec/g723_1dec: Fix overflow in shift
Fixes: shift exponent 1008 is too large for 32-bit type 'int'
Fixes: 17700/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G723_1_fuzzer-5707633436131328

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 07732f12a43ac3048e44c086c9a8c811452ba31c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
298408431f avcodec/apedec: Fix integer overflow in predictor_update_3930()
Fixes: signed integer overflow: -69555262 * 31 cannot be represented in type 'int'
Fixes: 17698/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5728970447781888

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5c072c9ed7c6f173b8a0a886fb7fe1e8e4c1fadd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
ac36c00a44 avcodec/g729postfilter: Fix undefined intermediate pointers
Fixes: index -49 out of bounds for type 'int16_t [192]'
Fixes: 17689/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ACELP_KELVIN_fuzzer-5756275014500352

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0c61661a2cbe1b8b284c80ada1c2fdddf4992cad)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
4474fbd9dc avcodec/g729postfilter: Fix undefined shifts
Fixes: left shift of negative value -12
Fixes: 17689/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ACELP_KELVIN_fuzzer-5756275014500352

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6a4fdbf112385824fc9b7d7739685359213b579a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
fb680f6d08 avcodec/lsp: Fix undefined shifts in lsp2poly()
Fixes: left shift of negative value -30635
Fixes: 17689/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ACELP_KELVIN_fuzzer-5756275014500352

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2b93f52cd635f372b7b22396939e840c63e8edf3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
47cf3051fb avcodec/adpcm: Fix left shifts in AV_CODEC_ID_ADPCM_EA
Fixes: left shift of negative value -1
Fixes: 17683/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_EA_R2_fuzzer-5111690013704192

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8695fbec573b0d434cf2e703a0d45742a09a5d94)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
1487993fae avformat/shortendec: Check k in probe
Fixes: Assertion failure
Fixes: 17640/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5708767475269632

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ea770eb55941a6ed7b86828d6ea2f4e718a4b337)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
d8658b51b7 avfilter/vf_geq: Use av_clipd() instead of av_clipf()
With floats we cannot represent all 32bit integer dimensions

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c8813b1a984714f0027cabeea2394035df20cf38)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
448b4cbefe avcodec/wmaprodec: Check that the streams channels do not exceed the overall channels
Fixes: NULL pointer dereference
Fixes: 18075/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XMA1_fuzzer-5708262036471808
Fixes: 18087/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XMA1_fuzzer-5740627634946048

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e418b315ddd0505e707860f8cc8b796ce06f3458)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
0cdd0486ef avcodec/qdmc: Check input space in qdmc_get_vlc()
Fixes: Timeout (125sec -> 0.4sec)
Fixes: 18059/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDMC_fuzzer-5656195825664000

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2c7975fe6f5c734fce9c59e8418c7f2de15a558d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
6996d323a0 avcodec/pcm: Check bits_per_coded_sample
Fixes: shift exponent -2 is negative
Fixes: 17736/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PCM_F16LE_fuzzer-5742815929171968
Fixes: 17998/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PCM_F24LE_fuzzer-5716980383875072

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5de19160a3c0dedb3cefd00e863a8d8f74ca2ad0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
94125bb1d6 avcodec/exr: Allow duplicate use of channel indexes
Fixes: Ticket #8203

Reported-by: durandal_1707
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 080819b3b4b59ef498511ac349414af85728349c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
df8caf9a76 avcodec/fitsdec: Fail on 0 naxisn
Fixes: Timeout (100+ sec -> 23ms)
Fixes: 17769/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FITS_fuzzer-5678314672357376

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4a3303d52096337dc109fbd523ecb4b46cddace1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
3d55f7782d avcodec/dxv: Subtract 12 earlier in dxv_decompress_cocg()
the data_start is after reading 12 bytes and if its subtracted
at the very end the intermediate might overflow

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit dd9e6d077ea3259cc6c1896334bbbc7f948979b7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:48 +01:00
Michael Niedermayer
30265f2778 libavcodec/dxv: Remove redundant seek
This seeks to the position the previous call to dxv_decompress_opcodes()
positioned us in case of success

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c371e50b4f125361eb183ac3c226f4044ae64b08)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
7cdf991e37 avcodec/ituh263dec: Check input for minimal frame size
Fixes: Timeout (28sec -> 3sec)
Fixes: 17559/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H263_fuzzer-5681050776240128

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7f0498ed461987b62bb97ff6463b4df108d60d78)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
c5cf948e20 avcodec/truemotion1: Check that the input has enough space for a minimal index_stream
Fixes: Timeout (18sec -> 0.4sec)
Fixes: 17585/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION1_fuzzer-5117015135617024

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4a660fac9899191d4121cde02f2a98977b1303b6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
86d36769e9 avformat/mpsubdec: Clear queue on error
Fixes: Memleaks
Fixes: 17219/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5720539124989952

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9a0d36e562d53716cf000895c2f892fb1f48165d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
8c550c8e25 avcodec/sunrast: Check that the input is large enough for the maximally compressed image
Fixes: Timeout (17sec -> 15ms)
Fixes: 17224/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SUNRAST_fuzzer-5663218491457536
Fixes: 17224/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SUNRAST_fuzzer-5735590015795200

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bf0ba75c4a9231ed62afe60bed5bde2728971e30)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
3a45323c97 avcodec/sunrast: Check for availability of maplength before allocating image
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 711ad71aea7847883662bf95e01640d9745b313b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
878ba99316 avformat/subtitles: Check nb_subs in ff_subtitles_queue_finalize()
Fixes: null pointer dereference
Fixes: 17828/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5645915116797952
Fixes: Ticket8147

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 81b53913bbb97234e22187d1122948c351a3466d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
2f20bd7076 avcodec/wmaprodec: Check if there is a stream
Fixes: null pointer dereference
Fixes: signed integer overflow: 512 * 2147483647 cannot be represented in type 'int'
Fixes: 17809/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XMA1_fuzzer-5634409947987968

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9b533de28eb19c660c75823ff2af2f8549c4095a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
fe82ca8709 avcodec/g2meet: Check for end of input in jpg_decode_block()
Fixes: Timeout (100sec -> 0.7sec)
Fixes: 8668/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-5174143888130048

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 61dd2e07be7ca636e1d3d868f90dde1b10985f4c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
b736f5be19 avcodec/g2meet: Check if adjusted pixel was on the stack
This basically checks if a pixel that was coded with prediction
and residual could have been stored using a previous case.
This avoids basically a string of 0 symbols stored in less than
50 bytes to hit a O(n²) codepath.

Fixes: Timeout (too slow to wait -> immediately)
Fixes: 8668/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-4895946310680576

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9c84c162e9f9f000ef47d4fcd07354805f38d455)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
07e77be69f avformat/electronicarts: If no packet has been read at the end do not treat it as if theres a packet
Fixes: Assertion failure
Fixes: 17770/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5700606668308480

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c4de49edc4652e2f17c8747a6dd9b36ff362017a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
22b9eaf4e6 avcodec/dxv: Check op_offset in dxv_decompress_yo()
Fixes: signed integer overflow: -2147483648 - 8 cannot be represented in type 'int'
Fixes: 17745/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXV_fuzzer-5734628463214592

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 97450d2b6a08769cbc4665bc66f6db9e8c5da2a4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
d8e3ea8400 avcodec/utils: Check sample_rate before opening the decoder
Fixes: signed integer overflow: 2 * -1306460384 cannot be represented in type 'int'
Fixes: 17685/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_fuzzer-5747390337777664
Fixes: 17688/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INTERPLAY_ACM_fuzzer-5739287210885120
Fixes: 17699/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INTERPLAY_ACM_fuzzer-5678394531905536
Fixes: 17738/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TAK_fuzzer-5763415733174272
Fixes: 17746/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BINKAUDIO_RDFT_fuzzer-5703008159006720

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 75fefb1fb7ac8b423e08a8dca19b19884a325ebf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
d44ac91b17 avcodec/aptx: Fix multiple shift anomalies
Fixes: left shift of negative value -24576
Fixes: 17719/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APTX_fuzzer-5710508002377728

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 675f62a202be7cfe9576b48679b8e6bc1183e84e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:47 +01:00