Commit Graph

83161 Commits

Author SHA1 Message Date
Michael Niedermayer
0c8edb3d65 avcodec/dvbsubdec: Use ff_set_dimensions()
Fixes: signed integer overflow: 65313 * 65313 cannot be represented in type 'int'
Fixes: 15740/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DVBSUB_fuzzer-5641749164195840

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 5941b7f615)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
6227ab340a avcodec/ffwavesynth: Check if there is enough extradata before allocation
Fixes: OOM
Fixes: 15750/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5702090367696896

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 65bac4a782)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
a7ddecc18f avcodec/ffwavesynth: More correct cast in wavesynth_seek()
Fixes: signed integer overflow: 553590816 - -9223372036315799520 cannot be represented in type 'long'
Fixes: 15743/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5705835377852416

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 f4605770af)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
80a204d616 avcodec/ffwavesynth: Check sample rate before use
Fixes: division by zero
Fixes: 15725/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5641231956180992

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 c95857a423)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
4c8560e743 avformat/utils: Check rfps_duration_sum for overflow
Fixes: signed integer overflow: 9151595917793558550 + 297519050751678697 cannot be represented in type 'long'
Fixes: 15496/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5722866475073536

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 5c46fdf305)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
63e9227f36 avcodec/h264_refs: Also check reference in ff_h264_build_ref_list()
Fixes: out of array read
Fixes: 15409/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5758846959616000

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 7d3581e6bb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
941ca8fb71 avcodec/parser: Check next index validity in ff_combine_frame()
Fixes: out of array access
Fixes: 15522/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DNXHD_fuzzer-5747756078989312

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 15008db0fa)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
d68a494271 avcodec/ivi: Ask for samples with odd tiles
Fixes: Assertion failure
Fixes: 15422/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INDEO5_fuzzer-5676625481433088

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 a7e02cf3ad)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
a1b60ae5e5 avformat/xmv: Make bitrate 64bit
Fixes: signed integer overflow: 32 * 538976288 cannot be represented in type 'int'
Fixes: 15633/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5752273981931520

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 39a6a79bcb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
91915f44f5 avcodec/pngdec: Check that previous_picture has same w/h/format
Fixes: out of array access
Fixes: 15540/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APNG_fuzzer-5684905029140480

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 18c808ffbe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
e638460d74 avcodec/huffyuv: remove gray8a (the format is listed but not supported by the implementation)
Fixes: null pointer dereference
Fixes: 15464/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HYMT_fuzzer-5681391150301184

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 6aaa01afe4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
71100d7102 avcodec/mpc8: Fixes invalid shift in mpc8_decode_frame()
Fixes: left shift of negative value -456
Fixes: 15561/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPC8_fuzzer-5758130404720640

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Suggested-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1dbb67d39b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
cea8e10a0f avcodec/golomb: Correct the doxy about get_ue_golomb() and errors
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1bb3b3f11c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
b735adcec5 avformat/utils: Check timebase before use in estimate_timings()
Fixes: division by 0
Fixes: 15480/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5746727434321920

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 f57e97dfd9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
1da95b4bd1 avcodec/hq_hqa: Use ff_set_dimensions()
Fixes: 15530/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HQ_HQA_fuzzer-5637370344374272
Fixes: signed integer overflow: 65312 * 65312 cannot be represented in type 'int'

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 a6229fcd40)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
0d4df82e2a avcodec/rv10: Fix integer overflow in aspect ratio compare
Fixes: signed integer overflow: 2040 * 1187872 cannot be represented in type 'int'
Fixes: 15368/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RV20_fuzzer-5681657136283648

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 14fcf42958)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
9b01f16af8 avcodec/4xm: Fix signed integer overflows in idct()
Fixes: signed integer overflow: 20242 * 121095 cannot be represented in type 'int'
Fixes: 15310/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5737051745419264

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 2bbea155bf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
3150e804d5 avcodec/qdm2: Check checksum_size for 0
Fixes: Infinite loop
Fixes: 15337/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDM2_fuzzer-5757428949319680

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 7b2ebf89a4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
8a95eef287 avcodec/qdm2: error out of qdm2_fft_decode_tones() before entering endless loop
Fixes: signed integer overflow: 2147483646 + 2 cannot be represented in type 'int'
Fixes: infinite loop
Fixes: 15396/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDM2_fuzzer-5116605501014016

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 694be24bd6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
454bb7e366 avcodec/qdm2: Do not read out of array in fix_coding_method_array()
Instead we ask for a sample, its unclear what to do in this case.

Fixes: index 30 out of bounds for type 'int8_t [30][64]'
Fixes: 15339/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDM2_fuzzer-5749441484554240

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 ae021c1239)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
d293006885 avcodec/svq3: Use ff_set_dimension()
Fixes: OOM
Fixes: 15410/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SVQ3_fuzzer-5659464805384192

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 7b114d7687)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
5749fb774c avcodec/iff: Check ham vs bpp
This checks the ham value much stricter and avoids hitting cases which cannot be reached
with data from the libavformat demuxer.

Fixes: out of array access
Fixes: 15320/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5080476840099840
Fixes: 15423/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5630765833912320

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 f76d7352e05526fde7c607b9a9db536a5760af29)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
e6aaa2a989 avcodec/ffwavesynth: use uint32_t to compute difference, it is enough
Fixes: signed integer overflow: 6494225984479297536 - -6043795377581187040 cannot be represented in type 'long'
Fixes: 15285/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5632780307791872

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 e9dd3c7126)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
f7e9ce34c5 avcodec/ffwavesynth: Simplify lcg_seek(), avoid negative case
Fixes: negation of -9223372036854775808 cannot be represented in type 'int64_t' (aka 'long'); cast to an unsigned type to negate this value to itself
Fixes: 15289/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5709034499342336

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 8c02209935)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
18beff1709 avcodec/ffwavesynth: Fix backward lcg_seek()
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cf2bd3ce79)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
5e5577ff87 avcodec/vc1_block: Check for vlc error in vc1_decode_ac_coeff()
Fixes: index -1 out of bounds for type 'const uint8_t [185][2]'
Fixes: 15250/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3IMAGE_fuzzer-5648992869810176

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 79204a1fc8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
345a3b8edf avcodec/alac: Check lpc_quant
lpc_quant of 0 produces undefined behavior, thus disallow this.
If valid samples use this then such a sample would be quite
usefull to confirm the correct&lossles handling of this.

Fixes: libavcodec/alac.c:218:25: runtime error: shift exponent -1 is negative
Fixes: 15273/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-5656388535058432
Fixes: 15276/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-5761238417539072
Fixes: 15315/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-5767260766994432

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 a6474b899c1153e3bb95e399b6605c3507aea0d0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
bf0af79cbc avcodec/alsdec: Add FF_CODEC_CAP_INIT_CLEANUP
Fixes: multiple memleaks
Fixes: 15293/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5642409288925184

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 b7b6ddd596)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
213304972e avcodec/alsdec: Fix integer overflow with buffer number
Fixes: signed integer overflow: 65313 * 65313 cannot be represented in type 'int'
Fixes: 15290/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5738074249625600

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 5f64f6058e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
b1334c7740 avcodec/alsdec: Check opt_order / sb_length in ra_block handling
Fixes: out of array access
Fixes: 15277/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5184853437317120
Fixes: 15280/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5741062137577472

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 0794494c8f2f756e3c9384dba21c54f7d4ba9286)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
9dd910ad2a avcodec/alsdec: Fix integer overflow with shifting samples
Fixes: signed integer overflow: -346039050 * 8 cannot be represented in type 'int'
Fixes: 15283/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5692700268953600

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 a3bd4b260eb9f0d5817f9b3d672844f127c51a0b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
b5c293030a avcodec/alsdec: Fix undefined behavior in decode_rice()
Fixes: left shift of 72 by 26 places cannot be represented in type 'int'
Fixes: 15279/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5700665621348352

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 51f6870c37cc29e1ea7e0c66df2fe505938b7561)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
dc94ace788 avcodec/alsdec: Fixes invalid shifts in read_var_block_data() and INTERLEAVE_OUTPUT()
Fixes: left shift of negative value -6
Fixes: 15275/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5742361767837696
Fixes: signed integer overflow: 41582592 * 256 cannot be represented in type 'int'
Fixes: 15296/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5739558227935232

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 e131568752ad41222946304c61eadb87b0a24791)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
5cbd861f0f avcodec/apedec: Add k < 24 check to the only k++ case which lacks such a check
Fixes: 15255/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5718831688843264
Fixes: left shift of 1 by 31 places cannot be represented in type 'int'

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 3d4f4f4a15e79c96c3613e5c252b2f5cc4190e18)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
07af2b695d avcodec/m101: Fix off be 2 error
Fixes: out of array read
Fixes: 15263/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_M101_fuzzer-5728999453491200

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 89b96900fa7c17d0770c9af26af7c3ae36ae0253)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
6e1ea9c2c5 avcodec/qdm2: Move fft_order check up
This avoids undefined computations with unchecked values

Fixes: shift exponent -21 is negative
Fixes: 15262/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDM2_fuzzer-5651261753393152

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 8d8b8c4ac6fb5b5d40bd131f2d2ea9d85b8759a6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
758f16b475 avcodec/libvorbisdec: Check extradata size
Fixes: out of array read
Fixes: 15261/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LIBVORBIS_fuzzer-5764908467093504

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 cf3c245566e8a8d45ed2ad9fdff9ef50327ba2d3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
e6641846b0 avformat/vqf: Check header_size
Fixes: 15271/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5735262606327808
Fixes: signed integer overflow: -2147483648 - 8 cannot be represented in type 'int'

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 7c30ff38880570377168096417f714b21102b343)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
6f4e118f63 avcodec/utils: Check bits_per_coded_sample
This avoids the need for each decoder separately having to handle this case

Fixes: shift exponent -100663046 is negative
Fixes: out of array access
Fixes: 15270/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5727829913763840

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 d33414d2ad27a5d2193c9ab0948ba7a282c2f910)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
0f89ff5b11 avcodec/videodsp_template: Fix overflow of addition
Fixes: addition of unsigned offset to 0x7f56fc26a9b6 overflowed to 0x7f56fc26a8be*
Fixes: clusterfuzz-testcase-minimized-mediasource_MP4_AVC1_pipeline_integration_fuzzer-4917949056679936

Reported-by: Matt Wolenetz <wolenetz@google.com>
Reviewed-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 247a1de7f7d9c5628cf188e677d10ce9e12bd2f2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
70afff15e5 avcodec/alsdec: Fix invalid shift in multiply()
Fixes: shift exponent -24 is negative
Fixes: 15292/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5768533318828032

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 f30be1ec9856551d96f3876eec5f8b8abf456b81)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
424a6cda84 avcodec/ffwavesynth: Check ts_end - ts_start for overflow
Fixes: signed integer overflow: 2314885530818453536 - -8926099139098304480 cannot be represented in type 'long'
Fixes: 15259/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5764366093254656

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 2db7a3bc4acdd293ed10b71e55f16a45ca28b629)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
2e01ce019f avcodec/vc1dsp: Avoid undefined shifts in vc1_v_s_overlap_c / vc1_h_s_overlap_c
Fixes: left shift of negative value -13
Fixes: 15260/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1_fuzzer-5702076048343040

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 507ca66ee41aa8a95b75654163f77af0a99a25b1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
97d7505017 avcodec/tta: Fix undefined shift
Fixes: left shift of negative value -4483
Fixes: 15256/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TTA_fuzzer-5738691617619968

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 ebccd2f778a861b41ad38a8464ea120d4f16b2d7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
dd79db8188 avcodec/bintext: Check font height
Fixes: division by zero
Fixes: 15257/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BINTEXT_fuzzer-5757352881422336

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 bfb58bdd70)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
de1524267e avcodec/binkdsp: Fix integer overflows in idct
Fixes: signed integer overflow: 3784 * 682038 cannot be represented in type 'int'
Fixes: 15265/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BINK_fuzzer-5088311799971840
Fixes: 15268/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BINK_fuzzer-5666502344179712

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7a072fbcc4c6f8ddbf37b131c2d141589118abcd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
39f5835d89 avcodec/motionpixels: Check for vlc error in mp_get_vlc()
Fixes: 15246/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MOTIONPIXELS_fuzzer-5168534407086080
Fixes: runtime error: index -1 out of bounds for type 'HuffCode [16]'

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 930cdef80a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
5449787c47 avcodec/loco: Limit lossy parameter so it is sane and does not overflow
Fixes: 15248/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LOCO_fuzzer-5087440458481664
Fixes: signed integer overflow: 3 + 2147483647 cannot be represented in type 'int'

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 ce3b0b9066)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
857ecd6f2e avformat/mov: Set fragment.found_tfhd only after TFHD has been parsed
Fixes: Assertion failure
Fixes: crbug971646.mp4

Reported-by: Matt Wolenetz <wolenetz@google.com>
Reviewed-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 696312c487)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00
Michael Niedermayer
93f48a978b avcodec/aacpsdsp_template: Fix integer overflow in ps_hybrid_analysis_c()
Fixes: signed integer overflow: -1539565182 + -798086761 cannot be represented in type 'int'
Fixes: 14807/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-564925382682214

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 f8f5668df5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:11:55 +02:00