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Author SHA1 Message Date
Michael Niedermayer
7d075c5f33 avformat/aviobuf: Delay buffer downsizing until asserts are met 
Fixes: Assertion failure
Fixes: 15151/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5757079496687616
Fixes: 15205/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5767573242642432
May fix: Ticket7094

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0334632d5c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-30 18:48:42 +02:00
Michael Niedermayer
b5d6b509b1 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>
 2019-06-30 14:41:51 +02:00
Michael Niedermayer
f3bfb07179 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>
 2019-06-29 20:43:54 +02:00
Michael Niedermayer
423d0bbc55 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>
 2019-06-29 20:42:20 +02:00
Michael Niedermayer
1aa0c2a06f 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>
 2019-06-29 20:32:43 +02:00
Michael Niedermayer
5b8bce805c 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 7c30ff3888)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-29 20:32:14 +02:00
Michael Niedermayer
7daa138f68 avcodec/atrac9dec: Check q_unit_cnt in parse_band_ext() 
Fixes: global-buffer-overflow
Fixes: 15247/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ATRAC9_fuzzer-5671602181636096

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 fb4a4557d1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-29 20:30:30 +02:00
Michael Niedermayer
3d1903acfe avcodec/atrac9dec: Check that the reused block has succeeded initilization 
Fixes: global-buffer-overflow
Fixes: 15247/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ATRAC9_fuzzer-5671602181636096

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 ac9af7e9a5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-29 19:36:02 +02:00
Michael Niedermayer
6872daee87 Update for 4.1.4 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 19:52:20 +02:00
Michael Niedermayer
1603661523 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>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
297c5c26cd 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>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
9ede5cab3a 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>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
c434a043ac 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>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
92140d7b24 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>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
1b4b738033 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>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
d00e33ed3a 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>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
9b8a58fa78 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>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
d08d4b1066 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>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
9a68341e9e avcodec/bink: Fix integer overflow in unquantize_dct_coeffs() 
Fixes: signed integer overflow: -3447 * 2883584 cannot be represented in type 'int'
Fixes: 15265/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BINK_fuzzer-5088311799971840

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 62ad08cef9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
da081ecf69 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>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
479b70d2f8 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>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
65e1440140 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>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
529a719a25 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>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
c0e3f54ec0 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>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
26605408f1 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>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
ef73b0da2d avcodec/truemotion2: Fix integer overflow in last loop in tm2_update_block() 
Fixes: signed integer overflow: -1727985666 - 538976288 cannot be represented in type 'int'
Fixes: 15031/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5100228035739648

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3aecd01704)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
8ba9b195e7 avcodec/iff: finetune the palette size check in the mask case 
Fixes: out of array access
Fixes: 15381/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5668057826983936

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0f9789c8e3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
4d2343825c avcodec/iff: Fix mask_buf / mask_palbuf leak 
Fixes: 15372/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5708881759567872

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 92e8db532c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
45d3ba9e5f avformat/icodec: Free ico->images on error paths 
Fixes: 15116/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5715173567889408
Fixes: memleak

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 54918b5116)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
0789b6295b avformat/wsddec: Fix undefined shift 
Fixes: left shift of 1 by 31 places cannot be represented in type 'int'
Fixes: 15123/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5738039235575808

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 112eb17a2b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
a56b96a3da avcodec/fmvc: Check if header fields are available before allocating the image 
Fixes: Timeout (15sec -> 0.5sec)
Fixes: 14846/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FMVC_fuzzer-5068322120400896

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 561cc161ca)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
6e26b1b0b1 avcodec/bink: Reorder operations in init to avoid memleak on error 
Fixes: Direct leak of 536 byte(s) in 1 object(s)
Fixes: 15266/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BINK_fuzzer-5629530426834944

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2603f25d32)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
f487aa964b avformat/wtvdec: Avoid (32bit signed) sectors 
Fixes: left shift of negative value -14614752
Fixes: 15174/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5670543606415360

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit dd357d76e5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
0ccdabffd7 avcodec/bitstream: Check for more conflicting codes in build_table() 
Fixes: out of array read
Fixes: 14563/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AGM_fuzzer-5646451545210880

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 a7e3b271fc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
ec23fe0fd9 avcodec/bitstream: Check for integer code truncation in build_table() 
Fixes: out of array read
Fixes: 14563/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AGM_fuzzer-5646451545210880

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 e78b0f8374)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
837e9e8898 avformat/sbgdec: Fixes integer overflow in str_to_time() with hours 
Fixes: signed integer overflow: 904444 * 3600 cannot be represented in type 'int'
Fixes: 15113/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5764083346833408

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 2a0f23b9d6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
e73ef454e8 avformat/vpk: Check offset for validity 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit aa003019ab)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
a2ebfb6afe avformat/vpk: Fix integer overflow in samples_per_block computation 
Fixes: signed integer overflow: 84026453 * 28 cannot be represented in type 'int'
Fixes: 15111/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5675630072430592

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 8c6c4129b4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
1a022c66c8 avcodec/mjpegdec: Check for non ls PAL8 
Fixes: Null-dereference READ in av_malloc
Fixes: 15002/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THP_fuzzer-5643474625363968

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 442375fee7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
c4a14a6303 avcodec/interplayvideo: check decoding_map_size with video_data_size 
Fixes: Timeout (90543 ms -> 59 ms)
Fixes: 14721/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INTERPLAY_VIDEO_fuzzer-5697492148027392

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 914d6a7c1a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
66cbac4a0b avcodec/h264_parse: Use 64bit for expectedpoc and expected_delta_per_poc_cycle 
Fixes: signed integer overflow: -2142516591 + -267814575 cannot be represented in type 'int'
Fixes: 14450/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5716105319940096

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 4896fa18ad)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
f021c40c30 avcodec/mss4: Check input size against skip bits 
Fixes: Timeout (17sec -> 20ms)
Fixes: 14615/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MTS2_fuzzer-5093007763701760
Fixes: 14797/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MTS2_fuzzer-5651696119709696

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 0fef412dff)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
43afeaa086 avcodec/dxv: Check op_offset in dxv_decompress_cocg() 
Fixes: signed integer overflow: -2147483648 - 12 cannot be represented in type 'int'
Fixes: 14732/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXV_fuzzer-5735273129836544

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 8e520843dd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
04c3e3d4e2 avcodec/diracdec: Fix integer overflow in global_mv() 
Fixes: signed integer overflow: 16384 * 196607 cannot be represented in type 'int'
Fixes: 14810/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5091232683917312

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 a99ffb5bb4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
eed8561f7c avcodec/vmnc: Check available space against chunks before reget_buffer() 
Fixes: Timeout (16sec -> 60ms)
Fixes: 14673/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VMNC_fuzzer-5640217517621248

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 279d9a84af)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
5fbc6dcdcc avcodec/aacdec_template: skip apply_tns() if max_sfb is 0 (from previous header decode failure) 
Fixes: NULL pointer dereference
Fixes: 14723/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_LATM_fuzzer-5654612436058112
Fixes: 14724/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_LATM_fuzzer-5712607111020544

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 cf3156e762)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
42245d49a4 avcodec/aacdec_fixed: Handle more extreem cases in noise_scale() 
Its unclear if these cases have any relevance in real files

Fixes: shift exponent -2 is negative
Fixes: 14489/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5681941631729664

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3d14663f83)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
11f5eb0f16 avcodec/aacdec_template: Merge 3 #ifs related to noise handling 
Fewer #if and fewer lines

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bc33c99d56)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
a527b49cb9 avcodec/aacdec_fixed: ssign seems always -1 in noise_scale(), simplify 
(cherry picked from commit 3d5863d739)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
3760f17e9b avformat/mp3enc: Avoid SEEK_END as it is unsupported 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bf3ee6a130)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00