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Author SHA1 Message Date
Michael Niedermayer
f3e553e36a 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>
 2019-12-01 17:46:48 +01:00
Michael Niedermayer
650ce5047c 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>
 2019-12-01 17:45:46 +01:00
Michael Niedermayer
e2def5f382 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>
 2019-12-01 17:44:36 +01:00
Michael Niedermayer
e5baac772c Changelog: update 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-22 22:46:42 +01:00
Michael Niedermayer
b9735a0271 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>
 2019-11-21 23:44:49 +01:00
Michael Niedermayer
eabece8639 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>
 2019-11-21 23:44:21 +01:00
Michael Niedermayer
978aa2ae50 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>
 2019-11-21 23:43:52 +01:00
Michael Niedermayer
b385b34761 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>
 2019-11-21 23:43:14 +01:00
Michael Niedermayer
313af22942 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>
 2019-11-21 23:42:51 +01:00
Michael Niedermayer
0e96cffff6 avcodec/qdm2: The smallest header seems to have 2 bytes so treat 1 as invalid 
Fixes: Timeout (217sec -> 2ms)
Fixes: 18488/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDM2_fuzzer-5708293662310400

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 e36ccb5048)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-21 23:42:36 +01:00
Michael Niedermayer
5222756b36 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>
 2019-11-21 23:41:47 +01:00
Michael Niedermayer
c2f81cfc78 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>
 2019-11-21 23:40:46 +01:00
Michael Niedermayer
0a4d2b5f67 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>
 2019-11-21 23:27:24 +01:00
Michael Niedermayer
6e208e78d3 Update for 3.4.7 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-15 17:19:45 +01:00
Carl Eugen Hoyos
1b814e6aff 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>
 2019-11-15 17:03:14 +01:00
Michael Niedermayer
955c310b75 avcodec/wmaprodec: get frame during frame decode 
Fixes: memleak
Fixes: 17615/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XMA2_fuzzer-5681306024804352

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 0f89a2293e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
9e635252fb 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>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
965b610359 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>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
07f16ceb8e 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>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
d737429008 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>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
d3fe22a1dc 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>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
a76e4ba104 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>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
25727befcc 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>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
8255244f19 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>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
f94127a40e 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>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
4b8a0ce8f7 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>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
ffc4603e61 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>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
5ebee49b34 avutil/lfg: Document the AVLFG struct 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d6fea2ef22)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
a687664dd4 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>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
aaa9b96cf6 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>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
3de0c702bd 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>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
2258982c8b 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>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
e0d167051e avcodec/snowenc: Set mb_num to avoid ratecontrol floating point divisions by 0.0 
Fixes: Ticket7990

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 55279d699f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
0c9ad1c746 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>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
f4103876f9 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>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
eda9406895 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>
 2019-11-15 12:25:47 +01:00
Michael Niedermayer
a154ec5f43 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>
 2019-11-15 12:25:46 +01:00
Michael Niedermayer
64b961273a 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>
 2019-11-15 12:25:46 +01:00
Michael Niedermayer
2635bfb2b3 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>
 2019-11-15 12:25:46 +01:00
Michael Niedermayer
7369aa201e 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>
 2019-11-15 12:25:46 +01:00
Michael Niedermayer
132e4e5460 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>
 2019-11-15 12:25:46 +01:00
Michael Niedermayer
490f931494 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>
 2019-11-15 12:25:46 +01:00
Michael Niedermayer
a1d6813649 avcodec/g723_1dec: fix invalid shift with negative sid_gain 
Fixes: left shift of negative value -1
Fixes: 18395/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G723_1_fuzzer-5710313034350592

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 1850c3feaa)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-11-15 12:25:46 +01:00
Michael Niedermayer
68274f568e 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>
 2019-11-15 12:25:46 +01:00
Michael Niedermayer
7b0ad24b10 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>
 2019-11-15 12:25:46 +01:00
Michael Niedermayer
4ed397df65 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>
 2019-11-15 12:25:46 +01:00
Michael Niedermayer
e02dedf267 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>
 2019-11-15 12:25:46 +01:00
Michael Niedermayer
09e942aa4d 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>
 2019-11-15 12:25:46 +01:00
Michael Niedermayer
b3d6eabd78 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>
 2019-11-15 12:25:46 +01:00
Michael Niedermayer
8d483f9849 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>
 2019-11-15 12:25:46 +01:00