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Author SHA1 Message Date
Michael Niedermayer
6102e7ca96 avformat/fitsdec: Better size checks 
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 14bbb6bb30)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
39006dfef8 avformat/mxfdec: Fix integer overflow in next position in mxf_read_local_tags() 
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 d3d9b1fc8e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
53fccd5726 avformat/avidec: dv does not support palettes 
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 1b373b41d9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
be9ba46370 avformat/dhav: Break out of infinite dhav search loop 
Fixes: Infinite loop
Fixes: 26922/clusterfuzz-testcase-minimized-ffmpeg_dem_DHAV_fuzzer-5794549613723648

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 7540d60bf6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
10a0989e03 libavformat/utils: consider avio_size() failure in ffio_limit() 
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 1b1dac2716)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
49cb678028 avformat/nistspheredec: Check bits_per_coded_sample and channels 
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 60770a50fb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
29848f2a78 avformat/asfdec_o: Check size vs. offset in detect_unknown_subobject() 
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 0bee216ad4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
16e0f2f9b4 avformat/utils: check for integer overflow in av_get_frame_filename2() 
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 03c479ce23)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
d0da49f368 avutil/timecode: Avoid undefined behavior with large framenum 
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 1b19057396)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
3d5610712f avformat/mov: Check a.size before computing next_root_atom 
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 8c9a5a0fe9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
fefb5d52ca avformat/sbgdec: Reduce the amount of floating point in str_to_time() 
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 ac6c8993f7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
010898a676 avformat/mxfdec: Free all types for both Descriptors 
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 88519be8db)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
7d7ca25b40 uavformat/rsd: check for EOF in extradata 
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 7186ec88b9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
7ed39616ab avcodec/wmaprodec: Check packet size 
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 69aeba8a19)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
ef2e673f8f avformat/dhav: Check position for overflow 
Fixes: signed integer overflow: 9223372036854775807 + 32768 cannot be represented in type 'long'
Fixes: 27744/clusterfuzz-testcase-minimized-ffmpeg_dem_DHAV_fuzzer-5179319491756032

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 0a0b92b4b2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
50ac656fdd avcodec/rasc: Check frame before clearing 
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 380a3a0adf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
c4da89d962 avformat/vividas: Check number of audio channels 
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 66deab3a26)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
67e2eab73e avcodec/alsdec: Fix integer overflow with quant_cof 
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 7ce40dde03)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
b5d5ccb050 avformat/mpegts: Fix argument type for av_log 
Reviewed-by: Marton Balint <cus@passwd.hu>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 654b21ef17)
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
36a58566d6 avformat/cafdec: clip sample rate 
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 684aec6a68)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
554eee05f2 avcodec/ffv1dec: Fix off by 1 error with quant tables 
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 5cae71d2b7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
684b4a1dec avformat/mpegts: Increase pcr_incr width to 64bit 
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 ef7b117b7b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
e7001f7b3c avcodec/utils: Check bitrate for overflow in get_bit_rate() 
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 8aadae670f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
30aadcc78b avformat/mov: Check if hoov is at the end 
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 0afbaabdca)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
c8419c23dc avcodec/hevc_ps: check scaling_list_dc_coef 
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 f1700bd8bb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
3e83476a6e avformat/iff: Check data_size 
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 001bc594d8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
9a032dfd5f avformat/matroskadec: Sanity check codec_id/track type 
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 7b88dd8f0c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
07d20683c6 avformat/rpl: Check the number of streams 
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 0677bdb1f5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
a3763e63a6 avformat/vividas: Check sample_rate 
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 b1bced5433)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
be6695995d avformat/vividas: Make len signed 
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 b29d351f97)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
eeef4189a4 avcodec/h264idct_template: Fix integer overflow in ff_h264_chroma422_dc_dequant_idct() 
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 51dfd6f1bd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
783ff18bea avformat/dsfdec: Check block_align more completely 
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 65b8974d54)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
40ad3111be avformat/mpc8: Check remaining space in mpc8_parse_seektable() 
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 4f66dd13d0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
b9ea0689ea avformat/id3v2: Sanity check tlen before alloc and uncompress 
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 d7f87a4b9e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
6acd99576b avformat/vqf: Check len for COMM chunks 
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 a834af133b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
c1f7a4153e avformat/mov: Avoid overflow in end computation in mov_read_custom() 
Fixes: signed integer overflow: 18 + 9223372036854775799 cannot be represented in type 'long'
Fixes: 26731/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5696846019952640

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 7d75ecf8d2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
57c535996e avcodec/hevc_cabac: Limit value in coeff_abs_level_remaining_decode() tighter 
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 7cf852b03c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
1121985dbd avformat/cafdec: Check the return code from av_add_index_entry() 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9dc3301745)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
c15e4b5a20 avformat/cafdec: Check for EOF in index read loop 
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 eb46939e3a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
aa4d9952c9 avformat/cafdec: Check that bytes_per_packet and frames_per_packet are non negative 
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 5eed718087)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
61c4d6963f avformat/mpc8: correct integer overflow in mpc8_parse_seektable() 
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 0897402ac8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
d2af5614ff avformat/mpc8: correct 32bit timestamp truncation 
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 ad3e495657)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
a53ffb15d8 avcodec/exr: Check ymin vs. h 
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 3e5959b345)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
16654970c6 avformat/avs: Use 64bit for the avio_tell() output 
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 1278f117d7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
76db6abd3d avformat/wavdec: More complete size check in find_guid() 
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 a207df2acb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
7612e1b4e5 avcodec/mv30: Use unsigned in idct_1d() 
Fixes: signed integer overflow: 2110302399 + 39074947 cannot be represented in type 'int'
Fixes: 27330/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MV30_fuzzer-5664923153334272

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 2eb6417417)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
e0c1af04b2 avformat/iff: Check size before skip 
Fixes: Infinite loop
Fixes: 27292/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-5731168991051776

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 8b50e8bc29)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
aa11e4c712 avformat/rmdec: Check for EOF in index packet reading 
Fixes: Timeout(>10sec -> 1ms)
Fixes: 27284/clusterfuzz-testcase-minimized-ffmpeg_dem_RM_fuzzer-6304211110985728

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 ebf4bc629e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
1dfa422f73 avcodec/vp3dsp: Use unsigned constant to avoid undefined integer overflow in ff_vp3dsp_set_bounding_values() 
Fixes: signed integer overflow: 64 * 33686018 cannot be represented in type 'int'
Fixes: 26911/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THEORA_fuzzer-4904975073017856

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 c7e775f712)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00
Michael Niedermayer
aed96e94c7 avformat/icodec: Check for zero streams and stream creation failure 
Fixes: NULL pointer dereference
Fixes: 26814/clusterfuzz-testcase-minimized-ffmpeg_dem_ICO_fuzzer-5758487797432320

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 b33233bd53)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-02-02 14:18:21 +01:00