Commit graph

38372 commits

Author SHA1 Message Date
Michael Niedermayer
ecbf42e13a avcodec/mpegaudio_parser: Consume more than 0 bytes in case of the unsupported mp3adu case
Fixes: Timeout
Fixes: 10966/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MP3ADU_fuzzer-5348695024336896
Fixes: 10969/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MP3ADUFLOAT_fuzzer-5691669402877952

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 df91af140c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-04 20:24:19 +01:00
Michael Niedermayer
2405af5081 avcodec/msrle: Check that the input is large enough to contain a end of picture code
Fixes: Timeout
Fixes: 10625/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSRLE_fuzzer-5659651283091456

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 203ccb8746)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
98444e0222 avcodec/jpeg2000dec: Fix off by 1 error in JPEG2000_PGOD_CPRL handling
Fixes: assertion failure
Fixes: 10785/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5672160496975872

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 305e523105)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
947f7af048 avcodec/mpeg4videodec: Fix typo in sprite delta check
Fixes: Integer overflow
Fixes: 10890/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-5636062181851136

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 b737317a88)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
65710b7e6c avcodec/h264_cavlc: Check mb_skip_run
Fixes: 10300/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-6292205497483264
Fixes: signed integer overflow: -2147483648 - 1 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 f72b9904fe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
caddb7890a avcodec/ra144: Fix integer overflow in add_wav()
Fixes: signed integer overflow: -2144033225 + -5208934 cannot be represented in type 'int'
Fixes: 10633/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RA_144_fuzzer-5679133791617024

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 c6282141cb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
a9ce7cfc59 avcodec/unary: Improve get_unary() docs
Found-by: kierank
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ad89e203bf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
6177ed2a9b avcodec/dvdsubdec: Sanity check len in decode_rle()
Fixes: Timeout
Fixes: 9778/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DVDSUB_fuzzer-5186007132536832

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 e7b023e1db)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
43a80efee6 avcodec/mpeg4videodec: Fix undefined shift in get_amv()
Fixes: runtime error: shift exponent -1 is negative
Fixes: 9938/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-5653783529914368

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 c88afa44c4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
7fb45ccf4e avcodec/zmbv: Check that the decompressed data size is correct
This checks the value exactly for intra frames and checks it against a
minimum for inter frames as they can be variable.

Fixes: Timeout
Fixes: 10182/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ZMBV_fuzzer-6245951174344704

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 e33b28cc79)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
bf4026fcbe avcodec/zmbv: Update decomp_len in raw frames
decomp_len is used in raw frames, so it should not be left at the value from
whatever was decoded previously (which may be any other frame)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3d201b83cd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
3c3b437d79 avcodec/shorten: Fix bitstream end check in read_header()
Fixes: Timeout
Fixes: 9961/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5687856176562176

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 28b80c2d52)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
46875255bc avcodec/dvdsubdec: Avoid branch in decode_run_8bit()
Speed improvment 35.5 sec -> 34.7sec

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 71bf033050)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
fa5498cb4d avcodec/h264_refs: Document last if() in ff_h264_execute_ref_pic_marking()
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 697984b9db)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
5c91bb1881 avcodec/ra144: Fix undefined integer overflow in add_wav()
Fixes: signed integer overflow: -26884 * 91439 cannot be represented in type 'int'
Fixes: 9687/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RA_144_fuzzer-4995588121690112

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 93a203662f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
78a1db00c4 avcodec/indeo4: Check dimensions in decode_pic_hdr()
Fixes: Timeout
Fixes: 9654/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INDEO4_fuzzer-6289863463665664

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 7592e88bfe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
66331499a7 avcodec/hq_hqa: Check remaining input bits in hqa_decode_mb()
Fixes: Timeout
Fixes: 9634/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HQ_HQA_fuzzer-6267852259590144

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 c9222b972d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
347c50b0d4 avcodec/vb: Check for end of bytestream before reading blocktype
Fixes: Timeout
Fixes: 9601/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VB_fuzzer-4550228702134272

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 1cbac9ce20)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
dc8ec1a5bc avcodec/snowdec: Fix integer overflow with motion vector residual
Fixes: signed integer overflow: -19818 + -2147483648 cannot be represented in type 'int'
Fixes: 9545/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SNOW_fuzzer-4928769537081344

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 acba153a14)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
907699d120 avcodec/scpr: Check for min > max in decompress_p()
Fixes: Timeout
Fixes: 9342/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SCPR_fuzzer-4795990841229312

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 3378194ce8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
298ca73ab1 avcodec/shorten: Fix signed 32bit overflow in shift in shorten_decode_frame()
Fixes: runtime error: left shift of 1 by 31 places cannot be represented in type 'int'
Fixes: 9480/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-6647324284551168 -rss_limit_mb=2000

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 9b604e96a5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
d16d851238 avcodec/shorten: Fix integer overflow in residual/LPC combination
Fixes: signed integer overflow: -540538872 + -2012739576 cannot be represented in type 'int'
Fixes: 9255/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5758630052757504

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 db7e9082e1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
488c246bf5 avcodec/shorten: Check verbatim length
Fixes: Timeout
Fixes: 9252/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5780720709533696

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 7007dabec0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
0ea1b62b9a avcodec/mpegaudio_parser: Initialize poutbuf*
Possibly fixes: null pointer dereference
Possibly fixes: 9352/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MP3ADUFLOAT_fuzzer-5146068961460224
Fixes: Heap-use-after-free
Fixes: 9453/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MP3ADUFLOAT_fuzzer-5137954375729152

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 0f4c3b0b8e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
0678985c14 avcodec/aacpsdsp_template: Fix integer overflow in ps_stereo_interpolate_c()
Fixes: signed integer overflow: -1813244069 + -1407981383 cannot be represented in type 'int'
Fixes: 8823/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5643295618236416

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 47db5763e2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Nikolas Bowe
e2d052d5c8 lavc/svq3: Fix regression decoding some files.
Fixes some SVQ3 encoded files which fail to decode correctly after 6d6faa2a2d.
These files exhibit lots of artifacts and logs show "Media key encryption is not implemented".
However they decode without artifacts before 6d6faa2a2d.
The attatched patch allows these files to successfully decode, but also reject media key files.

Tested on the files in #6094 and http://samples.mplayerhq.hu/V-codecs/SVQ3/Vertical400kbit.sorenson3.mov

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5aeb3b0080)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
1e1c02c51b avcodec/qtrle: Check remaining bytestream in qtrle_decode_XYbpp()
Fixes: Timeout
Fixes: 9213/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QTRLE_fuzzer-5649753332252672

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 7dd836a3f9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
c1a3212d45 avcodec/diracdec: Check bytes count in else branch in decode_lowdelay() too
Fixes: signed integer overflow: 8 * 340018243 cannot be represented in type 'int'
Fixes: 9441/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5194665207791616

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 bed125b710)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
c07d568603 avcodec/diracdec: Check slice numbers for overflows in relation to picture dimensions
Fixes: signed integer overflow: 88 * 33685506 cannot be represented in type 'int'
Fixes: 9433/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5725943535501312

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 f457c0ad7f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
ee5b42ce2f avcodec/diracdec: Change frame_number to 64bit as its a 32bit from the bitstream and we also have a -1 special case
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 9291/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-6324345860259840

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 462d1be6de)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
d5c48e8536 avcodec/dirac_dwt_template: Fix several integer overflows in horizontal_compose_daub97i()
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 8926/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-6047609228623872

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 69cac9e130)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Michael Niedermayer
922a29142e avcodec/diracdec: Prevent integer overflow in intermediate in global_mv()
Fixes: signed integer overflow: -393471 * 5460 cannot be represented in type 'int'
Fixes: 8890/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-6299775379963904

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 5129040646)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-01 00:52:46 +01:00
Timo Rothenpieler
5c98f8d80a avcodec/cuviddec: properly take deinterlacing and display delay into account for buffer_full check
Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
2018-10-14 18:33:55 +02:00
James Almer
660e4c0c96 avcodec/bitstream_filters: check the input argument of av_bsf_get_by_name() for NULL
Fixes crashes like "ffmpeg -h bsf" caused by passing NULL to strcmp()

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 3258cc6507)
2018-07-28 22:45:02 -03:00
Michael Niedermayer
eae9ab0193 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>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
db85ff3578 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>
2018-07-16 19:16:13 +02:00
Simon Thelen
28e0e494ee avcodec/imgconvert: fix possible null pointer dereference
regression since 354b26a394

(cherry picked from commit 8c2c97403b)
(cherry picked from commit c1e172c2e1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
c8ca54961d 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>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
314ca5672d 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>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
68fb93be04 avcodec/vp8_parser: Do not leave data/size uninitialized
This is identical to what the VP9 parser does

Fixes: 9215/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LIBVPX_VP8_fuzzer-5768227253649408
Fixes: out of memory access

This may also fix oss fuzz issue 9212

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 284dde24da)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
c43f5e0dce 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>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
01a694d482 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>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
739e3ff475 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>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
bba9bb735a 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>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
0bc74532a9 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>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
228c05ee54 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>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
eedde18f1a 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>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
3db270a078 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>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
b0c14b02b0 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>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
76c4838a11 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>
2018-07-16 19:16:13 +02:00