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Author SHA1 Message Date
Michael Niedermayer
a911f234e2 Update for 3.2.12 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-18 23:04:10 +02:00
Michael Niedermayer
94fda4f9ec avcodec/dvdsub_parser: Allocate input padding 
Fixes: out of array read
Fixes: 9350/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DVDSUB_fuzzer-5746777750765568

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 cd86b5cfe2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-18 16:57:03 +02:00
Michael Niedermayer
ffc9ef8f4c avcodec/dvdsub_parser: Init output buf/size 
No testcase

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9e6c843776)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-18 16:57:03 +02:00
Michael Niedermayer
fe73afd730 avcodec/dirac_dwt_template: Fix signedness regression in interleave() 
Found-by: <jdarnley>
Tested-by: James Darnley <james.darnley@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 181435a4de)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-18 16:57:03 +02:00
Michael Niedermayer
2c0e98a0b4 avformat/movenc: Write version 2 of audio atom if channels is not known 
The version 1 needs the channel count and would divide by 0
Fixes: division by 0
Fixes: fpe_movenc.c_1108_1.ogg
Fixes: fpe_movenc.c_1108_2.ogg
Fixes: fpe_movenc.c_1108_3.wav

Found-by: #CHEN HONGXU# <HCHEN017@e.ntu.edu.sg>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit fa19fbcf71)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-18 16:57:03 +02:00
Rahul Chaudhry
a1d4de0559 swresample/arm: rename labels to fix xcode build error 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e84212b78e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-18 16:57:03 +02:00
James Almer
e870255e4e avformat/utils: fix mixed declarations and code 
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 31de45d20b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-18 16:57:03 +02:00
Simon Thelen
c773ce32e1 avcodec/imgconvert: fix possible null pointer dereference 
regression since 354b26a394

(cherry picked from commit 8c2c97403b)
 2018-07-15 16:45:45 +03:00
Michael Niedermayer
97321ae360 Update for 3.2.11 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 21:07:45 +02:00
Michael Niedermayer
3571bec56e avformat/movenc: Check input sample count 
Fixes: division by 0
Fixes: fpe_movenc.c_199_1.wav
Fixes: fpe_movenc.c_199_2.wav
Fixes: fpe_movenc.c_199_3.wav
Fixes: fpe_movenc.c_199_4.wav
Fixes: fpe_movenc.c_199_5.wav
Fixes: fpe_movenc.c_199_6.wav
Fixes: fpe_movenc.c_199_7.wav

Found-by: #CHEN HONGXU# <HCHEN017@e.ntu.edu.sg>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3a2d21bc5f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
64993b613b avcodec/mjpegdec: Check for odd progressive RGB 
Fixes: out of array access
Fixes: 9225/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEGLS_fuzzer-5684770334834688

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 ee1e3ca5eb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
92972f1916 avformat/movenc: Check that frame_types other than EAC3_FRAME_TYPE_INDEPENDENT have a supported substream id 
Fixes: out of array access
Fixes: ffmpeg_bof_1.avi

Found-by: Thuan Pham, Marcel Böhme, Andrew Santosa and Alexandru Razvan Caciulescu with AFLSmart
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ed22dc2221)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
f65d6ff9ab avformat/mms: Add missing chunksize check 
Fixes: out of array read
Fixes: mms-crash-01b6c5d85f9d9f40f4e879896103e9f5b222816a

Found-by: Paul Ch <paulcher@icloud.com>
1st hunk by Paul Ch <paulcher@icloud.com>
Tested-by: Paul Ch <paulcher@icloud.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cced03dd66)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
e82a06d2be avformat/pva: Check for EOF before retrying in read_part_of_packet() 
Fixes: Infinite loop
Fixes: pva-4b1835dbc2027bf3c567005dcc78e85199240d06

Found-by: Paul Ch <paulcher@icloud.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9807d3976b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
4a42353c7a avformat/rmdec: Do not pass mime type in rm_read_multi() to ff_rm_read_mdpr_codecdata() 
Fixes: use after free()
Fixes: rmdec-crash-ffe85b4cab1597d1cfea6955705e53f1f5c8a362

Found-by: Paul Ch <paulcher@icloud.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a7e032a277)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
2b8c152327 avcodec/indeo4: Check for end of bitstream in decode_mb_info() 
Fixes: Timeout
Fixes: 8776/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INDEO4_fuzzer-5361788798369792

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 267ba2aa96)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
c7dca18226 avcodec/shorten: Fix undefined addition in shorten_decode_frame() 
Fixes: signed integer overflow: 1139785606 + 1454196085 cannot be represented in type 'int'
Fixes: 8937/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-6202943597445120

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 3b10bb8772)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
e1d4289596 avcodec/shorten: Fix undefined integer overflow 
Fixes: signed integer overflow: 8454144 * 256 cannot be represented in type 'int'
Fixes: 8788/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5728205041303552

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 70832333bb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
c68a8137ce avcodec/jpeg2000dec: Fixes invalid shifts in jpeg2000_decode_packets_po_iteration() 
Fixes: shift exponent 47 is too large for 32-bit type 'int'
Fixes: 9163/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5661750182543360

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 652d7c6348)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
636081c982 avcodec/jpeg2000dec: Check that there are enough bytes for all tiles 
Fixes: OOM
Fixes: 8781/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5810709081358336

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 0898a3d990)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
e6d3fd942f avformat/movenc: Do not pass AVCodecParameters in avpriv_request_sample 
Fixes: out of array read
Fixes: ffmpeg_crash_8.avi

Found-by: Thuan Pham, Marcel Böhme, Andrew Santosa and Alexandru Razvan Caciulescu with AFLSmart
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 95556e27e2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
09e4f84365 avcodec/escape124: Fix spelling errors in comment 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f59c4e4391)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
4bb368e6d9 avcodec/ra144: Fix integer overflow in ff_eval_refl() 
Fixes: signed integer overflow: -4096 * -524288 cannot be represented in type 'int'
Fixes: 8650/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RA_144_fuzzer-5734816036159488

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 b31189881a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
28a0f69987 avcodec/cscd: Check output buffer size for lzo. 
Fixes: Timeout
Fixes: 8665/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CSCD_fuzzer-5768442610188288

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
(cherry picked from commit 78167b498f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
dac23ef23c avcodec/escape124: Check buf_size against num_superblocks 
Fixes: Timeout
Fixes: 8722/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ESCAPE124_fuzzer-4843268402577408

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 6677c98626)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
2a30376e50 avcodec/h264_parser: Reduce needed history for parsing mb index 
This fixes a bug/regression with very small packets
Fixes: output_file

Regression since: 0782fb6bcb

Reported-by: Thierry Foucu <tfoucu@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d25c945247)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
be9424966f avcodec/mjpegdec: Check for end of bitstream in ljpeg_decode_rgb_scan() 
Fixes: Timeout
Fixes: 8648/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-5108395525799936

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 540e8c2d64)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
5cf8268b03 avcodec/aacdec_fixed: Fix undefined integer overflow in apply_independent_coupling_fixed() 
Fixes: signed integer overflow: 1195517 * 2048 cannot be represented in type 'int'
Fixes: 8636/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-4695836326887424

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 8bd514d934)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
836a9d62d1 avcodec/dirac_dwt_template: Fix undefined behavior in interleave() 
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 8697/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5197148130902016

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 575d8ca026)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
75c0be5b93 avutil/common: Fix undefined behavior in av_clip_uintp2_c() 
Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself
Fixes: 8521/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5639024952737792

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 aa41d322be)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
699e09f0de fftools/ffmpeg: Fallback to duration if sample rate is unavailable 
Regression since: af1761f7
Fixes: Division by 0
Fixes: ffmpeg_crash_1

Found-by: Thuan Pham, Marcel Böhme, Andrew Santosa and Alexandru Razvan Caciulescu with AFLSmart
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 16d8b13b3b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
39723d1ccb avformat/mov: Only set pkt->duration to non negative values 
Reviewed-by: Sasi Inguva <isasi@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8176799f31)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
35cd7417f9 avcodec/h264_ps: Move MAX_LOG2_MAX_FRAME_NUM to header so it can be used in h264_sei 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b796c5ae92)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
7281cf7195 avcodec/h264_mc_template: Only prefetch motion if the list is used. 
Fixes: index 59 out of bounds for type 'H264Ref [48]'
Fixes: 8232/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5703295145345024

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 8b55591757)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
d18d83f5a1 avcodec/xwddec: Use ff_set_dimensions() 
Fixes: OOM
Fixes: 8178/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XWD_fuzzer-4844793342459904

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 c2852e4e00)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
e1eebcbe3b avcodec/wavpack: Fix overflow in adding tail 
Fixes: signed integer overflow: 2146907204 + 26846088 cannot be represented in type 'int'
Fixes: 8105/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVPACK_fuzzer-6233036682166272

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 d13379fb79)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
eba50bdadc avcodec/shorten: Fix multiple integer overflows 
Fixes: signed integer overflow: 3 * 1006632960 cannot be represented in type 'int'
Fixes: 8278/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5692857166856192

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 f2abd36b38)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
72aac791f1 avcodec/shorten: Fix undefined shift in fix_bitshift() 
Fixes: left shift of negative value -9
Fixes: 8571/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5715966875926528

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 606c714823)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
e2207d5c46 avcodec/shorten: Fix a negative left shift in shorten_decode_frame() 
Fixes: left shift of negative value -9057
Fixes: 8527/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5666853924896768

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 a711efe922)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
9b1cbcdafb avcodec/shorten: Sanity check nmeans 
Fixes: OOM
Fixes: 8195/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5179785826271232

The reference software appears to use longs for 32bits and it uses int for nmeans
hinting that the intended maximum size was not 32bit.

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 d91a0b503d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
60021049be avcodec/shorten: Check non COMM chunk len before skip in decode_aiff_header() 
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 8024/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5109204648984576

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 424a81df10)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
e520692e14 avcodec/mjpegdec: Fix integer overflow in ljpeg_decode_rgb_scan() 
Fixes: signed integer overflow: 32768 + 2147450880 cannot be represented in type 'int'
Fixes: 7885/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THP_fuzzer-5298834394578944

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 936f4a2c2e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
89c2b51579 avcodec/truemotion2: Fix overflow in tm2_apply_deltas() 
Fixes: signed integer overflow: 1077952576 + 1077952576 cannot be represented in type 'int'
Fixes: 7712/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5056281753681920

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 79c6047c36)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:47 +02:00
Michael Niedermayer
5acbb27cbd avcodec/opus_silk: Change silk_lsf2lpc() slightly toward silk/NLSF2A.c 
Fixes: runtime error: signed integer overflow: -1440457022 - 785819492 cannot be represented in type 'int'
Fixes: 7700/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OPUS_fuzzer-6595838684954624

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 e7dda51150)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:46 +02:00
Michael Niedermayer
008288c2c4 avcodec/amrwbdec: Fix division by 0 in find_hb_gain() 
This restructures the code slightly toward D_UTIL_dec_synthesis()

Fixes: 7420/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AMRWB_fuzzer-6577305112543232

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 dce80a4b47)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:46 +02:00
Michael Niedermayer
6a11c4955c avformat/mov: replace a value error by clipping into valid range in mov_read_stsc() 
Fixes: #7165

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit fe84f70819)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:46 +02:00
Michael Niedermayer
d1f924319e avformat/mov: Break out early if chunk_count is 0 in mov_build_index() 
Without this some operations might overflow (undefined behavior)
even though the index adding loop would never execute

No testcase known

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 56e76bd057)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:46 +02:00
Michael Niedermayer
6ad66ddce3 avcodec/fic: Avoid some magic numbers related to cursors 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c6a11714c4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:46 +02:00
Michael Niedermayer
9797767ff7 avcodec/g2meet: ask for sample with overflowing RGB 
Suggested-by: Tomas Härdin <tjoppen@acc.umu.se>

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ab834b8f36)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:46 +02:00
Michael Niedermayer
ec1aca8500 avcodec/aacdec_fixed: use 64bit to avoid overflow in rounding in apply_dependent_coupling_fixed() 
Fixes: signed integer overflow: -2141499320 + -14469590 cannot be represented in type 'int'
Fixes: 7351/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-6351214791884800

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 90475db97e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2018-07-08 19:45:46 +02:00