Commit Graph

67691 Commits

Author SHA1 Message Date
Michael Niedermayer
72854fcf93 avcodec/mlpdec: Check that there is enough data for headers
Fixes: out of array access
Fixes: 1541/clusterfuzz-testcase-minimized-6403410590957568

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e3e51f8c14)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
273d58eeaa avcodec/ac3dec: Keep track of band structure
It is needed in some corner cases that seem not to be forbidden
Fixes: out of array index
Fixes: 1538/clusterfuzz-testcase-minimized-4696904925446144

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9351a156de)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
ad90dc21e3 avcodec/webp: Add missing input padding
Fixes: 1536/clusterfuzz-testcase-minimized-5973925404082176

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a3508cc3fe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
34e5c8d0cb avcodec/aacsbr_template: Do not change bs_num_env before its checked
Fixes: 1489/clusterfuzz-testcase-minimized-5075102901207040
Fixes: out of array access

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 87b08ee6d2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
aadfb596c5 avcodec/mlp: Fix multiple runtime error: left shift of negative value -1
Fixes: 1512/clusterfuzz-testcase-minimized-4713846423945216

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 74dc728a2c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
36337acfc3 avcodec/vp8dsp: vp7_luma_dc_wht_c: Fix multiple runtime error: signed integer overflow: -1366381240 + -1262413604 cannot be represented in type 'int'
Fixes: 1440/clusterfuzz-testcase-minimized-5785716111966208

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ccce2248bf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
091f90c9e5 avcodec/avcodec: Limit the number of side data elements per packet
Fixes: 1293/clusterfuzz-testcase-minimized-6054752074858496

See: [FFmpeg-devel] [PATCH] avcodec/avcodec: Limit the number of side data elements per packet

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d5711cb891)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
8959891e27 avcodec/wmv2dsp: Fix runtime error: signed integer overflow: 181 * -17047030 cannot be represented in type 'int'
Fixes: 1503/clusterfuzz-testcase-minimized-5369271855087616

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit df640dbbc9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
631f6eddd3 avcodec/diracdec: Fix Assertion frame->buf[0] failed at libavcodec/decode.c:610
Fixes: 1487/clusterfuzz-testcase-minimized-6288036495097856

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6899e6e560)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
7a0aa0b354 avcodec/msmpeg4dec: Check for cbpy VLC errors
Fixes: runtime error: left shift of negative value -1
Fixes: 1480/clusterfuzz-testcase-minimized-5188321007370240

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 15e892aad1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
2660338548 avcodec/cllc: Check num_bits
Fixes: runtime error: shift exponent -2 is negative
Fixes: 1479/clusterfuzz-testcase-minimized-6638493360979968

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2bfd0a9758)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
7f386b5487 avcodec/cllc: Factor VLC_BITS/DEPTH out, do not use repeated literal numbers
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e717fa1f0a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
542f44aff0 avcodec/dvbsubdec: Check entry_id
Fixes: randomly writing over the array end
Fixes: 1473/clusterfuzz-testcase-minimized-5768907824562176

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8a69f2602f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
3f8882fa5b avcodec/webp: Always set pix_fmt
Fixes: out of array access
Fixes: 1434/clusterfuzz-testcase-minimized-6314998085189632
Fixes: 1435/clusterfuzz-testcase-minimized-6483783723253760

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Reviewed-by: "Ronald S. Bultje" <rsbultje@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6b5d3fb26f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
1a1cc48424 avcodec/truemotion1: Fix multiple runtime error: left shift of negative value -1
Fixes: 1446/clusterfuzz-testcase-minimized-5577409124368384

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit db5fae3229)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
cd300c5601 avcodec/eatqi: Fix runtime error: signed integer overflow: 4466147 * 1075 cannot be represented in type 'int'
Fixes: 1443/clusterfuzz-testcase-minimized-4826998612426752

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a8de60ba27)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
李赞
889450b2b2 avformat/wavdec: Check chunk_size
Fixes integer overflow and out of array access

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3d23219637)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
62210e895b avcodec/cavs: Check updated MV
Fixes: runtime error: signed integer overflow: 251 + 2147483647 cannot be represented in type 'int'
Fixes: 1438/clusterfuzz-testcase-minimized-4917542646710272

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5871adc90f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
61fc2a351c avcodec/svq3: Fix multiple runtime error: signed integer overflow: -237341 * 24552 cannot be represented in type 'int'
Fixes: 1429/clusterfuzz-testcase-minimized-5959951610544128

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ae6fd1790f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
cc44663a2c avcodec/lagarith: Check scale_factor
Fixes: 1425/clusterfuzz-testcase-minimized-6295712339853312

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ed3c9b5b0d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
61e69cbb61 avcodec/lagarith: Fix runtime error: left shift of negative value -1
Fixes: 1424/clusterfuzz-testcase-minimized-6088327159611392

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ddb2dd7edb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
5817946f52 avcodec/bmvvideo: Fix runtime error: left shift of 137 by 24 places cannot be represented in type 'int'
Fixes: 1411/clusterfuzz-testcase-minimized-5776085184675840

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 29692023b2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
493dc7bb12 avcodec/dvbsubdec: check region dimensions
Fixes: 1408/clusterfuzz-testcase-minimized-6529985844084736
Fixes: integer overflow

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0075d9eced)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
42ae8705fa avcodec/vp8dsp: Fixes: runtime error: signed integer overflow: 1330143360 - -1023040530 cannot be represented in type 'int'
Fixes: 1406/clusterfuzz-testcase-minimized-5064865125236736

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8824b7370a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
429b5210b1 avcodec/cavsdec: Check sym_factor
Fixes: runtime error: signed integer overflow: 25984 * 130560 cannot be represented in type 'int'

Fixes: 1404/clusterfuzz-testcase-minimized-5000441286885376

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 279420b5a6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
7c1be72e24 avcodec/cdxl: Check format for BGR24
Fixes: out of array access
Fixes: 1427/clusterfuzz-testcase-minimized-5020737339392000

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1e42736b95)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
6aee15ecbc avcodec/ffv1dec: Fix copying planes of paletted formats
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3a4d387195)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
4515c5ef24 avcodec/wmv2dsp: Fix runtime error: signed integer overflow: 181 * -12156865 cannot be represented in type 'int'
Fixes: 1401/clusterfuzz-testcase-minimized-6526248148795392

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8b1f66cf5c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
a579264bc9 avcodec/xwddec: Check bpp more completely
Fixes out of array access
Fixes: 1399/clusterfuzz-testcase-minimized-4866094172995584

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 441026fcb1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
87ee5473c2 avcodec/s302m: Fix left shift of 8 by 28 places cannot be represented in type 'int'
Fixes: 1395/clusterfuzz-testcase-minimized-5330939741732864

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a38e9797cb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
851129e019 avcodec/eamad: Fix runtime error: signed integer overflow: 49674 * 49858 cannot be represented in type 'int'
Fixes: 1394/clusterfuzz-testcase-minimized-6493376885030912

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0ac1c87194)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
df8880db96 avcodec/g726: Fix runtime error: left shift of negative value -2
Fixes: 1393/clusterfuzz-testcase-minimized-5948366791901184

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c04aa14882)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
b92defbcaf avcodec/ra144: Fix runtime error: left shift of negative value -798
Fixes: 1388/clusterfuzz-testcase-minimized-6680800936329216

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 78bf446852)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
5e07278783 avcodec/mss34dsp: Fix multiple signed integer overflow
Fixes: 1387/clusterfuzz-testcase-minimized-4802757766676480

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 464c4b86ee)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
7bf97c4039 avcodec/targa_y216dec: Fix width type
Fixes out of array access
Fixes: 1376/clusterfuzz-testcase-minimized-6361794975105024

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3e56db8926)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
7e15899654 avcodec/ivi_dsp: Fix multiple left shift of negative value -2
Fixes: 1385/clusterfuzz-testcase-minimized-5552882663292928

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9e88cc94e5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
47ed6f1c4a avcodec/svq3: Fix multiple runtime error: signed integer overflow: 44161 * 61694 cannot be represented in type 'int'
Fixes: 1382/clusterfuzz-testcase-minimized-6013445293998080

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 669419939c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
a530ce3b5c avcodec/msmpeg4dec: Correct table depth
Fixes undefined shift
Fixes: 1381/clusterfuzz-testcase-minimized-5513944540119040

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1121d92707)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
e334e402fe avcodec/cdxl: Check format parameter
Fixes out of array access
Fixes: 1378/clusterfuzz-testcase-minimized-5715088008806400

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e1b60aad77)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
1d0d5d323e avcodec/mss3: Change types in rac_get_model_sym() to match the types they are initialized from
Fixes integer overflow
Fixes: 1372/clusterfuzz-testcase-minimized-5712192982745088

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2ef0f39271)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
83a499cb51 avcodec/shorten: Check k in get_uint()
Fixes: undefined shift
Fixes: 1371/clusterfuzz-testcase-minimized-5770822591447040

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7b6a51f59c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
05a3c8d1fe avcodec/webp: Fix null pointer dereference
Fixes: 1369/clusterfuzz-testcase-minimized-5048908029886464

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9bf4523e40)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
c767fc96e7 avcodec/dfa: Fix signed integer overflow: -2147483648 - 1 cannot be represented in type 'int'
Fixes: 1368/clusterfuzz-testcase-minimized-4507293276176384

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 12936a4585)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
b7a69943e8 avcodec/mimic: Fix runtime error: left shift of negative value -1
Fixes: 1365/clusterfuzz-testcase-minimized-5624158450876416

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit fc2c420b82)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
7a37ef34fb avcodec/fic: Fix multiple left shift of negative value -15
Fixes: 1356/clusterfuzz-testcase-minimized-6008489086287872

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b20c71409b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
a75075fc58 avcodec/mlpdec: Fix runtime error: left shift of negative value -22
Fixes: 1355/clusterfuzz-testcase-minimized-6662205472768000

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c535436cbe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
697187a6f3 avcodec/snowdec: Check qbias
Fixes: signed integer overflow: -1094995529 * 131 cannot be represented in type 'int'
Fixes: 1353/clusterfuzz-testcase-minimized-5208180449607680

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 523205ce1e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
2b3b77e722 avcodec/aacsbr_template: Do not leave bs_num_env invalid
Fixes out of array read
Fixes: 1349/clusterfuzz-testcase-minimized-5370707196248064

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a8ad83b793)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
766c53f9e5 avcodec/mdec: Fix signed integer overflow: 28835400 * 83 cannot be represented in type 'int'
Fixes: 1346/clusterfuzz-testcase-minimized-5776732600664064

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a234b5ade3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00
Michael Niedermayer
5204a50013 avcodec/dfa: Fix off by 1 error
Fixes out of array access
Fixes: 1345/clusterfuzz-testcase-minimized-6062963045695488

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f52fbf4f3e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:17 +02:00