Commit Graph

83506 Commits

Author SHA1 Message Date
Michael Niedermayer
7549beb2a2 avcodec/aacdec_template: Check samplerate
Fixes: signed integer overflow: 2 * 1881153568 cannot be represented in type 'int'
Fixes: 17996/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5687126468853760

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 7730bacb41)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
e7f409662c avcodec/truemotion2: Fix several integer overflows in tm2_low_res_block()
Fixes: signed integer overflow: 1077952576 + 1355863565 cannot be represented in type 'int'
Fixes: 16196/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5679842317565952

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 2b655f55ea)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
f640a2d9a9 avcodec/utils: Check block_align
Fixes: out of array access
Fixes: 18432/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAV2_fuzzer-5675574936207360
Fixes: 18326/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAV2_fuzzer-5071752362721280
Fixes: 18384/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAV1_fuzzer-5769439500304384

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 f011572e66)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
313bdb49a6 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 d3dee676b8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
28ae690805 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 34e701ff93)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
21436750a1 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 f17ea02001)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
3926e909fd 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 069be4aa5d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
a485e375e4 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 698e042c77)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
ae1cc1089f 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 b63fbc19c0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
fee64199d3 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 f4ecf6c39d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
68a9d6b6b3 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 42eb78059d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
1fe652551b 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 09581f7923)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
0799b34bbd 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 1efaac6932)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
5cc96ce0e7 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 a6ad328256)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
4e76df3ead 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 44b73a0568)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
31c2c9e811 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 a76897e19c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
da9b6f9e10 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 8c69310477)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
2a1b7258d8 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 7916b6863c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
2408efea19 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 6fdeb20817)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
3ed8549b5d 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 c1c799271e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
1cff89a11f 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 5f0acc5064)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
1cb06b7a79 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 2fca09bce4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
a2d319fe34 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 2f66e8436d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
462949e087 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 5c072c9ed7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
f884af4573 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 0c61661a2c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
1334b5dae1 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 6a4fdbf112)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
ac28d793c1 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 2b93f52cd6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
7c985c6334 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 8695fbec57)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
53bf9cb31c 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 ea770eb559)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
1af067b06f 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 c8813b1a98)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
e6431d2c2c 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 7f0498ed46)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
5bebc312fe 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 4a660fac98)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
a0453ff7c7 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 9a0d36e562)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
f18a2951aa 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 bf0ba75c4a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
f7395b8343 avcodec/sunrast: Check for availability of maplength before allocating image
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 711ad71aea)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
1b7c5197ab 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 81b53913bb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
da5941248e 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 61dd2e07be)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
4dda4cd775 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 9c84c162e9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
2f10c7553e 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 c4de49edc4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
689af5e194 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 75fefb1fb7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
76b49dad73 avcodec/motionpixels: Mark 2 functions as always_inline
Fixes: Timeout (30sec -> 25sec)
Fixes: 17050/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MOTIONPIXELS_fuzzer-5719149803732992

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 017884bdc3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
70657ae897 avcodec/ralf: Fix integer overflow in decode_channel()
Fixes: signed integer overflow: -1094995519 * 64 cannot be represented in type 'int'
Fixes: 17030/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5640695838146560

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 fbb314b6f2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
0e0eba418f vcodec/vc1: compute rangex/y only for P/B frames
Fixes: left shift of 1073741824 by 1 places cannot be represented in type 'int'
Fixes: 16976/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1_fuzzer-4847262047404032

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 e75e7fe160)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
29bdf27f9d avcodec/vc1_pred: Fix invalid shifts in scaleforopp()
Fixes: left shift of negative value -2
Fixes: 16964/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-5757853565976576

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 ced9a1cd0a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
7c2a7c1a02 avcodec/vc1_block: Fix invalid shift with rangeredfrm
Fixes: left shift of negative value -7
Fixes: 16959/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3_fuzzer-5200360825683968

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 c722a69253)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
ba0294877f avcodec/vc1: Check for excessive resolution
Fixes: overflow in aspect ratio calculation
Fixes: signed integer overflow: 393215 * 14594 cannot be represented in type 'int'
Fixes: 15728/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3IMAGE_fuzzer-5661588893204480

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 181e138da7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
9eef494603 avcodec/vc1: check REFDIST
"9.1.1.43 P Reference Distance (REFDIST)"
"The value of REFDIST shall be less than, or equal to, 16."

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7f7af9e294)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
3ef741291c avcodec/apedec: Fix several integer overflows in predictor_update_filter() and do_apply_filter()
Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself
Fixes: signed integer overflow: -14527961 - 2147483425 cannot be represented in type 'int'
Fixes: 16380/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5645957131141120
Fixes: 16968/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5716169901735936
Fixes: 17074/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5198710497083392

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 1e95a3e8a7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
0791e50495 avcodec/hevc_cabac: Tighten the limit on k in ff_hevc_cu_qp_delta_abs()
Values larger would fail subsequent tests.

Fixes: signed integer overflow: 5 + 2147483646 cannot be represented in type 'int'
Fixes: 16966/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5695709549953024

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 f63cd1963e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
c261eea59a avcodec/4xm: Check index in decode_i_block() also in the path where its not used.
Fixes: Infinite loop
Fixes: signed integer overflow: 2147483644 + 16 cannot be represented in type 'int'
Fixes: 16169/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5662570416963584
Fixes: 16782/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5743163859271680
Fixes: 17641/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5711603562971136

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 87ddf9f1ef)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00