Michael Niedermayer
ee92e68f6c
avformat/flvdec: Check for nesting depth in amf_skip_tag()
...
Fixes: out of array access
Fixes: 29440/clusterfuzz-testcase-minimized-ffmpeg_dem_KUX_fuzzer-5985279812960256.fuzz
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 2ef522c918michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
3db1c93b5c
avformat/flvdec: Check for nesting depth in amf_parse_object()
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Fixes: out of array access
Fixes: 29202/clusterfuzz-testcase-minimized-ffmpeg_dem_KUX_fuzzer-5112845840809984
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 074e204b42michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
6cd5bfe3cd
avformat/asfdec_o: Check for EOF in asf_read_marker()
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Fixes: Timeout
Fixes: 26460/clusterfuzz-testcase-minimized-ffmpeg_dem_ASF_O_fuzzer-5710884393189376
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 9e3d09f435michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
a5d1613f48
avformat/utils: Check dts - (1<<pts_wrap_bits) overflow
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Fixes: signed integer overflow: -9223372036842389247 - 2147483648 cannot be represented in type 'long long'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_FLV_fuzzer-4845007531671552
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 d82ee907d6michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
657efee3d4
avformat/bfi: Check chunk_header
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Fixes: signed integer overflow: -2147483648 - 3 cannot be represented in type 'int'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_BFI_fuzzer-6665764123836416
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 638a151a87michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
d5b6c4dd0e
avformat/ads: Check size
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Fixes: signed integer overflow: -2147483616 - 64 cannot be represented in type 'int'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_ADS_fuzzer-6617769344892928
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 c78b2b138cmichael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
aa63110c1d
avformat/iff: Check block align also for ID_MAUD
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Fixes: Timeout & OOM
Fixes: 28701/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-5185094964871168
Fixes: 29116/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-4874284795297792
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 b17ffe8f8fmichael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
7fcac5c8c3
avcodec/utils: Check for integer overflow in get_audio_frame_duration() for ADPCM_DTK
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Fixes: signed integer overflow: 131203586 * 28 cannot be represented in type 'int'
Fixes: 26817/clusterfuzz-testcase-minimized-ffmpeg_dem_MSF_fuzzer-6296902548848640
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 2488ba85a0michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
d960a7a5d8
avformat/fitsdec: Better size checks
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Fixes: out of array access
Fixes: 26819/clusterfuzz-testcase-minimized-ffmpeg_dem_FITS_fuzzer-5634559355650048
Fixes: 26820/clusterfuzz-testcase-minimized-ffmpeg_dem_FITS_fuzzer-5760774955597824
Fixes: 27379/clusterfuzz-testcase-minimized-ffmpeg_dem_FITS_fuzzer-5129775942991872.fuzz
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 14bbb6bb30michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
34e30575ae
avformat/mxfdec: Fix integer overflow in next position in mxf_read_local_tags()
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Fixes: signed integer overflow: 9223372036854775723 + 8192 cannot be represented in type 'long'
Fixes: 29072/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-4812604904177664
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 d3d9b1fc8emichael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
5367c59d68
avformat/avidec: dv does not support palettes
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Fixes: memleak
Fixes: 26937/clusterfuzz-testcase-minimized-ffmpeg_dem_AVI_fuzzer-5763003338981376
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 1b373b41d9michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
424f434c56
libavformat/utils: consider avio_size() failure in ffio_limit()
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Fixes: Timeout (>20sec -> 3ms)
Fixes: 26918/clusterfuzz-testcase-minimized-ffmpeg_dem_THP_fuzzer-5750425191710720
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 1b1dac2716michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
ca82f2f1e2
avformat/nistspheredec: Check bits_per_coded_sample and channels
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Fixes: signed integer overflow: 80 * 92233009 cannot be represented in type 'int'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_NISTSPHERE_fuzzer-6669100654919680
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 60770a50fbmichael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
891209076d
avformat/asfdec_o: Check size vs. offset in detect_unknown_subobject()
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Fixes: signed integer overflow: 2314885530818453566 + 7503032301549264928 cannot be represented in type 'long'
Fixes: 26639/clusterfuzz-testcase-minimized-ffmpeg_dem_ASF_O_fuzzer-6024222100684800
Alternatively this could be ignored but then the end condition of the loop
would be hard to reach as avio_tell() is int64_t
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 0bee216ad4michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
2382d58689
avformat/utils: check for integer overflow in av_get_frame_filename2()
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Fixes: signed integer overflow: 317316873 * 10 cannot be represented in type 'int'
Fixes: 24708/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5731180885049344
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 03c479ce23michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
4e73410837
avutil/timecode: Avoid undefined behavior with large framenum
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Fixes: signed integer overflow: 2147462079 + 2149596 cannot be represented in type 'int'
Fixes: 27565/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5091972813160448
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 1b19057396michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
bd899b2cee
avformat/mov: Check a.size before computing next_root_atom
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Fixes: signed integer overflow: 64 + 9223372036854775799 cannot be represented in type 'long'
Fixes: 27563/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-6244650163372032
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 8c9a5a0fe9michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
1adc349011
avformat/sbgdec: Reduce the amount of floating point in str_to_time()
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Fixes: 1e+75 is outside the range of representable values of type 'long'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_SBG_fuzzer-6626834808700928
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Nicolas George <george@nsup.org >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit ac6c8993f7michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
a0984a153e
avformat/mxfdec: Free all types for both Descriptors
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Fixes: memleak
Fixes: 26352/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5201158714687488
Suggested-by: Tomas Härdin <tjoppen@acc.umu.se >
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 88519be8dbmichael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
d5aa69dbed
uavformat/rsd: check for EOF in extradata
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Fixes: OOM
Fixes: 26503/clusterfuzz-testcase-minimized-ffmpeg_dem_RSD_fuzzer-6530816735444992
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 7186ec88b9michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
24ca658ea6
avcodec/wmaprodec: Check packet size
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Fixes: left shift of negative value -25824
Fixes: 27754/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XMA2_fuzzer-5760255962906624
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 69aeba8a19michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
6b0eacc1c2
avcodec/rasc: Check frame before clearing
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Fixes: null pointer dereference
Fixes: 27737/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RASC_fuzzer-5769028685266944
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 380a3a0adfmichael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
7ce729649f
avformat/vividas: Check number of audio channels
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Fixes: division by 0
Fixes: 28597/clusterfuzz-testcase-minimized-ffmpeg_dem_VIVIDAS_fuzzer-5752201490333696
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 66deab3a26michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
273f53e57d
avcodec/alsdec: Fix integer overflow with quant_cof
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Fixes: signed integer overflow: -210824 * 16384 cannot be represented in type 'int'
Fixes: 28670/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5682310846480384
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 7ce40dde03michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
53da736645
avformat/mpegts: Fix argument type for av_log
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Reviewed-by: Marton Balint <cus@passwd.hu >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 654b21ef17
2021-09-10 16:04:26 +02:00
Michael Niedermayer
2b3c1a3000
avformat/cafdec: clip sample rate
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Fixes: 1.21126e+111 is outside the range of representable values of type 'int'
Fixes: 27398/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-5412960339755008
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 684aec6a68michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
dcb07bee75
avcodec/ffv1dec: Fix off by 1 error with quant tables
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Fixes: assertion failure
Fixes: 28447/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFV1_fuzzer-5369575948550144
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 5cae71d2b7michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
92c1ee9486
avformat/mpegts: Increase pcr_incr width to 64bit
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Fixes: division by zero
Fixes: 26459/clusterfuzz-testcase-minimized-ffmpeg_dem_MPEGTSRAW_fuzzer-5666350112178176
Fixes: 28154/clusterfuzz-testcase-minimized-ffmpeg_dem_MPEGTSRAW_fuzzer-5195728439476224
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Marton Balint <cus@passwd.hu >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit ef7b117b7bmichael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
d84bc6850e
avcodec/utils: Check bitrate for overflow in get_bit_rate()
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Fixes: signed integer overflow: 617890810133996544 * 16 cannot be represented in type 'long'
Fixes: 26565/clusterfuzz-testcase-minimized-ffmpeg_dem_MV_fuzzer-5092054700654592
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 8aadae670fmichael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
eb43e14f8c
avformat/mov: Check if hoov is at the end
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Fixes: Timeout, probably infinite loop
Fixes: 26559/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5391165484171264
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 0afbaabdcamichael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
781f4fc448
avcodec/hevc_ps: check scaling_list_dc_coef
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Fixes: signed integer overflow: 2147483640 + 8 cannot be represented in type 'int'
Fixes: 28449/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5686013259284480
Reviewed-by: James Almer <jamrial@gmail.com >
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 f1700bd8bbmichael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
40932b723f
avformat/iff: Check data_size
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Fixes: infinite loop
Fixes: 27834/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-5694930919620608
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 001bc594d8michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
35076c8f63
avformat/matroskadec: Sanity check codec_id/track type
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Fixes: memleak
Fixes: 27766/clusterfuzz-testcase-minimized-ffmpeg_dem_MATROSKA_fuzzer-5198300814508032
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 7b88dd8f0cmichael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
9ea488e0fb
avformat/rpl: Check the number of streams
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Fixes: out of memory access
Fixes: 27787/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-4743666463408128.fuzz
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 0677bdb1f5michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
95882fe008
avformat/vividas: Check sample_rate
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Fixes: Assertion c > 0 failed at libavutil/mathematics.c
Fixes: 27001/clusterfuzz-testcase-minimized-ffmpeg_dem_VIVIDAS_fuzzer-5726041328582656
Fixes: 27453/clusterfuzz-testcase-minimized-ffmpeg_dem_VIVIDAS_fuzzer-5716060384526336
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 b1bced5433michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
e1bea3ad03
avformat/vividas: Make len signed
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Fixes: out of array access
Fixes: 27424/clusterfuzz-testcase-minimized-ffmpeg_dem_VIVIDAS_fuzzer-5682070692823040
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 b29d351f97michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
2d73ff7004
avcodec/h264idct_template: Fix integer overflow in ff_h264_chroma422_dc_dequant_idct()
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Fixes: signed integer overflow: -2105540608 - 2105540608 cannot be represented in type 'int'
Fixes: 26870/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5656647567147008
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 51dfd6f1bdmichael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
a643e2e9c1
avformat/dsfdec: Check block_align more completely
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Fixes: infinite loop
Fixes: 26865/clusterfuzz-testcase-minimized-ffmpeg_dem_DSF_fuzzer-5649473830912000
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 65b8974d54michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
fe64c72c5a
avformat/mpc8: Check remaining space in mpc8_parse_seektable()
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Fixes: Fixes infinite loop
Fixes: 26704/clusterfuzz-testcase-minimized-ffmpeg_dem_MPC8_fuzzer-6327056939614208
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 4f66dd13d0michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
ca040d6b65
avformat/id3v2: Sanity check tlen before alloc and uncompress
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Fixes: Timeout (>20sec -> 65ms)
Fixes: 26896/clusterfuzz-testcase-minimized-ffmpeg_dem_DAUD_fuzzer-5691024049176576
Fixes: 27627/clusterfuzz-testcase-minimized-ffmpeg_dem_AEA_fuzzer-4907019324358656
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 d7f87a4b9emichael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
2f16247c99
avformat/vqf: Check len for COMM chunks
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Fixes: Infinite loop
Fixes: 26696/clusterfuzz-testcase-minimized-ffmpeg_dem_VQF_fuzzer-5648269168082944
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 a834af133bmichael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
6718c814aa
avcodec/hevc_cabac: Limit value in coeff_abs_level_remaining_decode() tighter
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The max depth is 16bps, the max allowed coefficient depth is depth+6
Fixes: signed integer overflow: 1074266112 + 1073725439 cannot be represented in type 'int'
Fixes: 26493/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5657763331702784
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 7cf852b03cmichael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
071ae40ee3
avformat/cafdec: Check the return code from av_add_index_entry()
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 9dc3301745michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
f1018f874c
avformat/cafdec: Check for EOF in index read loop
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Fixes: OOM
Fixes: 27398/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-541296033975500
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 eb46939e3amichael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
68dd210aab
avformat/cafdec: Check that bytes_per_packet and frames_per_packet are non negative
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These fields are not signed in the spec (1.0) so they cannot be negative
Changing bytes_per_packet to unsigned would not solve this as it is exported
as block_align which is signed
Fixes: Infinite loop
Fixes: 26492/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-5632087614554112
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 5eed718087michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
f226e4b469
avformat/mpc8: correct integer overflow in mpc8_parse_seektable()
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Fixes: signed integer overflow: -4683718486770919638 * 2 cannot be represented in type 'long'
Fixes: 26704/clusterfuzz-testcase-minimized-ffmpeg_dem_MPC8_fuzzer-6327056939614208
Fixes: 27550/clusterfuzz-testcase-minimized-ffmpeg_dem_MPC8_fuzzer-6259212652642304
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 0897402ac8michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
8d3dd028a5
avformat/mpc8: correct 32bit timestamp truncation
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Fixes: left shift of 65536 by 15 places cannot be represented in type 'int'
Fixes: 26801/clusterfuzz-testcase-minimized-ffmpeg_dem_MPC8_fuzzer-5164313092030464
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 ad3e495657michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
4810fe7936
avcodec/exr: Check ymin vs. h
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Fixes: out of array access
Fixes: 26532/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5613925708857344
Fixes: 27443/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5631239813595136
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 3e5959b345michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
9be82d9ab0
avformat/avs: Use 64bit for the avio_tell() output
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Fixes: signed integer overflow: 9223372036854775807 - -1 cannot be represented in type 'long'
Fixes: 26549/clusterfuzz-testcase-minimized-ffmpeg_dem_AVS_fuzzer-4844306424397824
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 1278f117d7michael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
Michael Niedermayer
a1206b3fc6
avformat/wavdec: More complete size check in find_guid()
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Fixes: signed integer overflow: 9223372036854775807 + 8 cannot be represented in type 'long'
Fixes: 27341/clusterfuzz-testcase-minimized-ffmpeg_dem_W64_fuzzer-5442833206738944
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 a207df2acbmichael@niedermayer.cc >
2021-09-10 16:04:26 +02:00
