Commit graph

83339 commits

Author SHA1 Message Date
Michael Niedermayer
bc8dcbedca avcodec/g729dec: Use 64bit and clip in scalar product
The G729 reference decoder clips after each individual operation and keeps track if overflow
occurred (in the fixed point implementation), this here is
simpler and faster but not 1:1 the same what the reference does.

Non fuzzed samples which trigger any such overflow are welcome, so
the need and impact of different clipping solutions can be evaluated.

Fixes: signed integer overflow: 1271483721 + 1073676289 cannot be represented in type 'int'
Fixes: 18617/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ACELP_KELVIN_fuzzer-5137705679978496

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 bf9c4a1275)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
e3ac98dab2 avcodec/mxpegdec: Check for multiple SOF
Fixes: Timeout (14sec -> 9ms)
Fixes: 18598/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MXPEG_fuzzer-5726095261564928

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 75b64e5aa3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
c998f15357 avcodec/nuv: Move comptype check up
Fixes: Timeout (23sec -> 5ms)
Fixes: 18517/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_NUV_fuzzer-5753135536013312

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 1138cdecbe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
1d19208020 avcodec/wmavoice: Fix integer overflow in synth_frame()
Fixes: left shift of negative value -3
Fixes: 18518/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAVOICE_fuzzer-6560514359951360

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 cf323f4d38)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
ed0fa59bd7 avcodec/rawdec: Check bits_per_coded_sample more pedantically for 16bit cases
Fixes: shift exponent -14 is negative
Fixes: 18335/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RAWVIDEO_fuzzer-5723267192586240

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 5634e20525)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
7a159bec19 avutil/lfg: Correct index increment type to avoid undefined behavior
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 18333/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_COMFORTNOISE_fuzzer-5668481831272448

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 6014bcf1b7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
afbca5bd83 avcodec/cngdec: Remove AV_CODEC_CAP_DELAY
As is the decoder will never stop, it will cause an infinite loop. The RFC seems only
to speak of non empty packets so endlessly generating noise from the last empty flush
packets seems wrong.

Fixes: infinite loop
Fixes: 18333/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_COMFORTNOISE_fuzzer-5668481831272448

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 327a968817)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
3910ae5d4d avcodec/iff: Move index use after check in decodeplane8()
Fixes: index 9 out of bounds for type 'const uint64_t [8][256]'
Fixes: 18409/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5767030560522240
Fixes: 18720/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5651995784642560

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 a1f8b36cc4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
d9a8345d21 avcodec/atrac3: Check for huge block aligns
The largest documented frame size = block align is 1024 bytes
(https://wiki.multimedia.cx/index.php/ATRAC3)

Without a limit this can allocate arbitrary memory and trigger OOM
Fixes: OOM
Fixes: 18337/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ATRAC3_fuzzer-5763861478637568
Fixes: 18556/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ATRAC3AL_fuzzer-5646183334936576

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 f09151fff9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
5454e8d95f avcodec/ralf: use multiply instead of shift to avoid undefined behavior in decode_block()
Fixes: left shift of negative value -249
Fixes: 18566/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5649394561187840

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 1b7d02642b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
9a1b08f6d3 avcodec/wmadec: Require previous exponents for reuse
Fixes: division by zero
Fixes: 18474/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAV2_fuzzer-5764986962182144

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 c54b9fc42f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
ec0ab97fac avcodec/vc1_block: Fix undefined behavior in ac prediction rescaling
The intermediates are required to fit in 12bit (8.1.3.9 Coefficient Scaling)
See SMPTE 421M-2006 and Amendment 1-2007

Fixes: signed integer overflow: -20691 * 262144 cannot be represented in type 'int'
Fixes: 18479/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1_fuzzer-5128912371187712

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 7fc1baf0ca)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
0c67877df2 avcodec/apedec: Fixes integer overflow of res+*data in do_apply_filter()
Fixes: signed integer overflow: 7400 + 2147482786 cannot be represented in type 'int'
Fixes: 18405/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5708834760294400

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 dc3f327e74)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
bcfc8ccd04 avcodec/sonic: Fix integer overflow in predictor_calc_error()
Fixes: signed integer overflow: 5 * -1094995529 cannot be represented in type 'int'
Fixes: 18346/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SONIC_fuzzer-5709623893426176

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 c8c17b8cef)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
b1af78f526 avformat/mp3dec: Check that the frame fits within the probe buffer
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e9a335150a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Carl Eugen Hoyos
4b857fc113 lavc/tableprint_vlc: Remove avpriv_request_sample() from included files.
Fixes compilation with --enable-hardcoded-tables.
Fixes ticket #7962.

(cherry picked from commit c8232e5007)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
f6c2f3c762 avcodec/interplayacm: Fix overflow of last unused value
Fixes: signed integer overflow: -2147450880 - 65535 cannot be represented in type 'int'
Fixes: 18393/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INTERPLAY_ACM_fuzzer-5667520110919680

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 10eabb8e40)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
3db973db96 avcodec/adpcm: Fix undefined behavior with negative predictions in IMA OKI
Fixes: left shift of negative value -30
Fixes: 18392/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_IMA_OKI_fuzzer-5631771831435264

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 7786f6c30e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
31ded792d4 avcodec/cook: Move up and extend block_align check
Fixes: signed integer overflow: 2046820356 * 8 cannot be represented in type 'int'
Fixes: 18391/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_COOK_fuzzer-5631674666188800

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 1c63edcdd2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
87b41afe27 avcodec/twinvq: Check block_align
Fixes: signed integer overflow: 538976288 * 8 cannot be represented in type 'int'
Fixes: 18348/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_METASOUND_fuzzer-6681325716635648

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 97f778e9c5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
9fa00a6ade avcodec/cook: Enlarge gain table
Fixes: index 25 out of bounds for type 'float [23]'
Fixes: 18355/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_COOK_fuzzer-5641398941908992

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 50001cd440)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
e67955dcc6 avcodec/cook: Check samples_per_channel earlier
Fixes: division by zero
Fixes: 18362/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_COOK_fuzzer-5653727679086592

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 57750bb629)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
61cee1d67f avcodec/atrac3plus: Check split point in fill mode 3
Fixes: index 32 out of bounds for type 'int [32]'
Fixes: 18350/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ATRAC3P_fuzzer-5643794862571520

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 de5102fd92)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
b06f9b00ca avcodec/wmavoice: Check sample_rate
Fixes: left shift of 538976288 by 8 places cannot be represented in type 'int'
Fixes: 18376/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAVOICE_fuzzer-5741645391200256

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 55c97a7637)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
1c61c36389 avcodec/xsubdec: fix overflow in alpha handling
Fixes: left shift of 255 by 24 places cannot be represented in type 'int'
Fixes: 18368/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XSUB_fuzzer-5702665442426880

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 9ea9973959)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
577f91346f avcodec/iff: Check available space before entering loop in decode_long_vertical_delta2() / decode_long_vertical_delta()
Fixes: Timeout (31sec -> 41ms)
Fixes: 18380/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5645210121404416

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 32b3c8ce7d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
d549c5d81f avcodec/apedec: Fix integer overflow in filter_3800()
Fixes: signed integer overflow: 2117181180 + 60483298 cannot be represented in type 'int'
Fixes: 18344/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5685327791915008

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 1c038c5c63)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
2acb1c9059 avcodec/ffv1dec: Use a different error message for the slice level CRC
This way they can be told apart easily

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit df498cf544)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
53f61bdcea avcodec/apedec: Fix undefined integer overflow in long_filter_ehigh_3830()
Fixes: signed integer overflow: -1094995529 * 2 cannot be represented in type 'int'
Fixes: 18281/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5692589180715008

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 1d1719a44d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
120ab2375c avcodec/dstdec: Check that AC probabilities are within range
ISO/IEC 14496-3:2005(E): "Each entry of P_one[ ][ ] is in the range of 1 to
128, corresponding to a probability of 1/256 to 128/256 of the next error bit (bit E, See Figure 10.5)..."

Fixes: Timeout (42sec ->1sec)
Fixes: 18181/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DST_fuzzer-5736646250594304

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 0c3e1b395b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
47e60b2020 avcodec/dstdec: Check read_table() for failure
Fixes: Timeout (too long -> 42sec)
Fixes: 18181/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DST_fuzzer-5736646250594304

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 03ea8d8cd4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
e0983daf05 avcodec/snowenc: Fix 2 undefined shifts
Fixes: Ticket7990

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8802e329c8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
2720888c60 avformat/nutenc: Do not pass NULL to memcmp() in get_needed_flags()
This compared to the other suggestions is cleaner and easier to understand
keeping the condition in the if() simple.

This affects alot of fate tests.

See: [FFmpeg-devel] [PATCH 05/11] avformat/nutenc: Don't pass NULL to memcmp
See: [FFmpeg-devel] [PATCH]lavf/nutenc: Do not call memcmp() with NULL argument

Fixes: Ticket 7980

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e4fdeb3fce)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
7549beb2a2 avcodec/aacdec_template: Check samplerate
Fixes: signed integer overflow: 2 * 1881153568 cannot be represented in type 'int'
Fixes: 17996/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5687126468853760

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 7730bacb41)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
e7f409662c avcodec/truemotion2: Fix several integer overflows in tm2_low_res_block()
Fixes: signed integer overflow: 1077952576 + 1355863565 cannot be represented in type 'int'
Fixes: 16196/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5679842317565952

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 2b655f55ea)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
f640a2d9a9 avcodec/utils: Check block_align
Fixes: out of array access
Fixes: 18432/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAV2_fuzzer-5675574936207360
Fixes: 18326/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAV2_fuzzer-5071752362721280
Fixes: 18384/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAV1_fuzzer-5769439500304384

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 f011572e66)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
313bdb49a6 avcodec/wmalosslessdec: Fix some integer anomalies
Fixes: left shift of negative value -341180
Fixes: 18401/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5686380134400000

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 d3dee676b8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
28ae690805 avcodec/adpcm: Fix invalid shifts in ADPCM DTK
Fixes: left shift of negative value -1
Fixes: 18397/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_DTK_fuzzer-5675653487132672

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 34e701ff93)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
21436750a1 avcodec/apedec: Only clear the needed buffer space, instead of all
Fixes: Timeout (15sec -> 0.4sec)
Fixes: 18396/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5730080487112704

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 f17ea02001)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
3926e909fd avcodec/libvorbisdec: Fix insufficient input checks leading to out of array reads
Fixes: 16144/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LIBVORBIS_fuzzer-5638618940440576
Fixes: out of array read

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 069be4aa5d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
a485e375e4 avcodec/vp5: Check render_x/y
Fixes: Timeout (15sec -> 91ms)
Fixes: 18353/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VP5_fuzzer-5704150326706176

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 698e042c77)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
ae1cc1089f avcodec/qdrw: Check input for header/skiped space before get_buffer()
Fixes: Timeout (21sec -> 0.8sec)
Fixes: 17990/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDRAW_fuzzer-5200374436200448

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 b63fbc19c0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
fee64199d3 avcodec/ralf: Skip initializing unused filter variables
Fixes: left shift of negative value -1
Fixes: 17890/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5643307467669504

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 f4ecf6c39d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
68a9d6b6b3 avcodec/takdec: Fix overflow with large sample rates
Fixes: signed integer overflow: 2147483647 + 511 cannot be represented in type 'int'
Fixes: 17899/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TAK_fuzzer-5719753322135552

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 42eb78059d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
1fe652551b avcodec/alsdec: Check that input space for header exists in read_diff_float_data()
Fixes: Timeout (21sec -> 8sec)
Fixes: 17832/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5737092172218368

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 09581f7923)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
0799b34bbd avformat/pjsdec: Check duration for overflow
Fixes: signed integer overflow: -3 - 9223372036854775807 cannot be represented in type 'long'
Fixes: 17828/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5645915116797952

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 1efaac6932)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
5cc96ce0e7 avcodec/ptx: Check that the input contains at least one line
Fixes: Timeout (19sec -> 44ms)
Fixes: 17816/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PTX_fuzzer-5704459950227456

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 a6ad328256)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
4e76df3ead avcodec/alac: Fix integer overflow in LPC
Fixes: signed integer overflow: 2147483628 + 128 cannot be represented in type 'int'
Fixes: 17783/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-5146470595952640

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 44b73a0568)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
31c2c9e811 avcodec/smacker: Fix integer overflows in pred[] in smka_decode_frame()
Fixes: signed integer overflow: -2147481503 + -32732 cannot be represented in type 'int'
Fixes: 17782/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SMACKAUD_fuzzer-5769672225456128

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 a76897e19c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
da9b6f9e10 avcodec/aliaspixdec: Check input size against minimal picture size
Fixes: Timeout (15sec -> 72ms)
Fixes: 17774/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALIAS_PIX_fuzzer-5193929107963904

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 8c69310477)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00