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39442 Commits

Author SHA1 Message Date
Michael Niedermayer
12dfbefda2 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>
 2019-11-14 23:30:38 +01:00
Michael Niedermayer
5bcced7bea 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>
 2019-11-14 23:30:38 +01:00
Michael Niedermayer
c2507e1946 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>
 2019-11-14 23:30:38 +01:00
Michael Niedermayer
0af60924ea 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>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
2b0180f80b 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>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
db136657d4 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>
 2019-11-14 23:30:37 +01:00
James Zern
7a026998b0 avcodec/utils, avcodec_open2: close codec on failure 
after a successful init if the function fails for another reason close
the codec without requiring FF_CODEC_CAP_INIT_CLEANUP which is meant to
cover init failures themselves. fixes a memory leak in those cases.

BUG=oss-fuzz:15529

Signed-off-by: James Zern <jzern@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b1febda061)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
49b4d41ec1 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>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
f095734005 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>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
99c45c0c82 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>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
a7acecb0d9 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>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
c698d9e46b 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>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
a85e0a0b8d 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>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
32902cc988 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>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
388d36101b 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>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
d0651f24ba 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 f76d7352e0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
69a7633a76 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>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
6e050fc931 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>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
98e712bd1c 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>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
eb7a4a27c4 avcodec/flicvideo: Fix off by 1 error in flic_decode_frame_24BPP() 
Fixes: out of array access
Fixes: 15360/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FLIC_fuzzer-5653837190266880
Fixes: 15412/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FLIC_fuzzer-5740537648250880

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 37708cbae8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
8548434337 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>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
ea7aadd74a 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 a6474b899c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
5190d3a2f7 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>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
4852df4a21 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>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
3e491e9c59 avcodec/alsdec: Fixes signed integer overflow in LSB addition 
Fixes: signed integer overflow: 8 * 536870912 cannot be represented in type 'int'
Fixes: 15281/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5744458785619968

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 7f527021df)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
36c278078d 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 0794494c8f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
49cb2d44a4 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 a3bd4b260e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
1ebd25b1f1 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 51f6870c37)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
5f5766691d 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 e131568752)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
ec9a2cb48b avcodec/hevc_ps: Change num_tile_rows/columns checks to sps->ctb_height/weight 
Suggested-by: James Almer <jamrial@gmail.com>
Reviewed-by: James Almer <jamrial@gmail.com
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3b2082c663)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
3bdd16fd68 avcodec/hevc_ps: Fix integer overflow with num_tile_rows and num_tile_columns 
Fixes: signed integer overflow: -2147483648 - 1 cannot be represented in type 'int'
Fixes: 14880/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5130977304641536

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 c692051252)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
9a7d3304ff 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 3d4f4f4a15)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
6aaca5234d avcodec/fitsdec: Check data_min/max 
Fixes: division by 0
Fixes: 15206/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FITS_fuzzer-5657260212092928

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 eb82d19f03)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
80bbb8b851 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 89b96900fa)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
d84f4c0c25 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 8d8b8c4ac6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
9856f1f615 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 cf3c245566)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
ec2b12fa05 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 d33414d2ad)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
f1400191c6 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 247a1de7f7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
55fca6e6e5 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 f30be1ec98)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
fb81fd52d3 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 2db7a3bc4a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
0409e5fe36 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 507ca66ee4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
5a49cad78a 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 ebccd2f778)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
7887aa79de avcodec/qdmc: Fix integer overflows in PRNG 
Fixes: signed integer overflow: 214013 * 2531011 cannot be represented in type 'int'
Fixes: 15254/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDMC_fuzzer-5698137026461696

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 2921b45a38)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
6aa01c0625 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>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
00d5a47039 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 7a072fbcc4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
ed92170916 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>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
65326b27b6 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>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
eca9b4022b avcodec/xpmdec: Do not use context dimensions as temporary variables 
Fixes: Integer overflow
Fixes: 15134/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XPM_fuzzer-5722635939348480

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 5ea7f20500)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
91348aa5ba avcodec/fitsdec: Fix division by 0 in size check 
Fixes: division by zero
Fixes: 15210/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FITS_fuzzer-5746033243455488

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 07ffe94c17)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-14 23:30:37 +01:00
Michael Niedermayer
36f8bb1261 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>
 2019-11-14 23:30:37 +01:00