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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-29 22:00:58 +02:00

88409 Commits

Author SHA1 Message Date
Michael Niedermayer
cb1af09dd0 avcodec/bgmc: Check input space in ff_bgmc_decode_init()
Fixes: Infinite loop
Fixes: 16608/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5636229827133440

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Thilo Borgmann <thilo.borgmann@mail.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b54031a6e93d1abc7fb2d0263e0f6c4b639e423f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
0ccc7efc4d avcodec/truemotion2: Fix multiple integer overflows in tm2_null_res_block()
Fixes: signed integer overflow: 1795032576 + 598344192 cannot be represented in type 'int'
Fixes: 16196/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5636723419119616

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 cc78783ce5e8837d4f4ca43eedf2d299651e65ff)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
befb2f717b avcodec/vc1dec: Require res_sprite for wmv3images
non res_sprite leads to decoder delay which leads to assertion failure
Fixes: Assertion failure
Fixes: 16402/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3IMAGE_fuzzer-5704510034411520
Fixes: left shift of 1073741824 by 1 places cannot be represented in type 'int'
Fixes: 16425/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3IMAGE_fuzzer-5692858838810624

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 9c6b4004928ef41563b0e913666f8da27fdb2399)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
29765b3be3 avcodec/vc1_block: Check for double escapes
Fixes: out of array read
Fixes: 16331/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3IMAGE_fuzzer-5672735195267072

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 6962fd586e1a9a98828866dcfb4114af30c8c756)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
62afc95281 avcodec/vorbisdec: Check get_vlc2() failure
Fixes: out of array read
Fixes: 16510/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VORBIS_fuzzer-5754510382727168

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 07b948fe60789064d7c784d47b8fe798a9a4d2b9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
1b4b7a7de1 avcodec/tta: Fix integer overflow in prediction
Fixes: signed integer overflow: -395281576 + -1827578048 cannot be represented in type 'int'
Fixes: 16038/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TTA_fuzzer-5646109705240576

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 7e9aecc9f358901426c134978e764ee7beac4944)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
697383e178 avcodec/vb: Check input packet size to be large enough to contain flags
Fixes: Timeout (->9sec)
Fixes: 16292/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VB_fuzzer-5747063496638464

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 dea2591d4fbc989ca82bc8a8ad7d16aacdc89af1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
891508dd88 avcodec/cavsdec: Limit the number of access units per packet to 2
Fixes: Timeout (122sec -> 13ms)
Fixes: 15978/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CAVS_fuzzer-5148925004087296

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 37bc8e3249c88b733bcc0d8c74cdf668292e4d63)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
1f47a0135e avcodec/alac: Check for bps of 0
Fixes: shift exponent 32 is too large for 32-bit type 'unsigned int'
Fixes: 15764/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-5102101203517440

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 8f49176e845fee8e4e0aaf06411636b46d1ae3ad)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
cc70b01c39 avcodec/alac: Fix multiple integer overflows in lpc_prediction()
Fixes: signed integer overflow: 2088795537 + 2147254401 cannot be represented in type 'int'
Fixes: signed integer overflow: -1500363496 + -1295351808 cannot be represented in type 'int'
Fixes: signed integer overflow: -79560 * 32640 cannot be represented in type 'int'
Fixes: signed integer overflow: 2088910005 + 2088796058 cannot be represented in type 'int'
Fixes: signed integer overflow: -117258064 - 2088725225 cannot be represented in type 'int'
Fixes: signed integer overflow: 2088725225 - -117258064 cannot be represented in type 'int'
Fixes: 15739/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-5630664122040320

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 ae3d6a337ad25527bcd3172e3885e45fadf9908c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
793ff83b16 avcodec/rl2: set dimensions
The dimensions are always 320x200 they are hardcoded in the demuxer.
Hardcode them instead in the decoder.

Fixes: Timeout (16sec -> 400ms)
Fixes: 15574/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RL2_fuzzer-5158614072819712

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 965e766e4892cfc45c97cca88895248a7735e7d0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
3381c2bd9b avcodec/aacdec: Add FF_CODEC_CAP_INIT_CLEANUP
Fixes: memleaks
Fixes: 16289/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_LATM_fuzzer-5200695692623872

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 48b86dd8a6bf50a7d8ab0343a1535bc4b0b5b196)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
b72b3d43ed avcodec/idcinvideo: Add 320x240 default maximum resolution
Fixes: Timeout (128sec -> 2ms)
Fixes: 16568/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IDCIN_fuzzer-5675004095627264

See: [FFmpeg-devel] [PATCH 4/4] tools/target_dec_fuzzer: Adjust max_pixels for IDCIN

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Tomas Härdin <tjoppen@acc.umu.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c9fcf881e69e34a2acfa2bb7052ca200cab16740)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
032fc5b082 avformat/realtextdec: free queue on error
Fixes: memleak
Fixes: 16277/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5696629440512000

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 493438fafc5c43b7b7c62bf0c21b7cc884034ce9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
9dd231c42c avcodec/alsdec: Fix integer overflow in decode_var_block_data()
Fixes: signed integer overflow: 1927975249 - -514719744 cannot be represented in type 'int'
Fixes: 16413/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5651206856245248

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Thilo Borgmann <thilo.borgmann@mail.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 661a9b274b0181b2e36ff21fd13840f35992bea6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
e37b9df6c9 avcodec/alsdec: Limit maximum channels to 512
There seems to be no limit in the specification and upto 64k could be stored
512 is choosen as limit as thats the maximum in a conformance sample

An alternative to this patch would be a max_channels variable

Fixes: OOM
Fixes: 16200/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5764788793114624

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Suggested-by: Thilo Borgmann <thilo.borgmann@mail.de>
Reviewed-by: Thilo Borgmann <thilo.borgmann@mail.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f51e4d026cc762ff2d47d6107658dbff42ba5ea8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
12f5cb95f8 avcodec/anm: Check input size for a frame with just a stop code
Fixes: Timeout (11sec -> 6sec)
Fixes: 16344/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ANM_fuzzer-5673032000995328

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 1965161ef6d2aac8d3b034570c3da69dabca9e71)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
5349964e02 avcodec/flicvideo: Optimize and Simplify FLI_COPY in flic_decode_frame_24BPP() by using bytestream2_get_buffer()
Fixes: Timeout (31sec  -> 22sec)
Fixes: 16217/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FLIC_fuzzer-5658084189405184

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Tomas Härdin <tjoppen@acc.umu.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e301736862f18a449c317a47d0d60d3484e41667)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
36e3470195 avcodec/loco: Check left column value
Fixes: Timeout (42sec -> 379 ms)
Fixes: 16323/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LOCO_fuzzer-5679178099195904

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 c812db814ebd603106220854e343558ec1115e57)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
50b07e145b avcodec/ffwavesynth: Fixes invalid shift with pink noise seeking
Fixes: left shift of negative value -961533698048
Fixes: 16242/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5738550670131200

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cdea0206efeca83a0a9b57d0764b177b2e11ab7c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
a2d0ed8718 avcodec/ffwavesynth: Fix integer overflow for some corner case values
Fixes: left shift of negative value -14671840
Fixes: 16000/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5145977817661440

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 c4a88fb546b64179aff12c169239285932e570ac)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
66e60b3c96 avcodec/indeo2: Check remaining input more often
Fixes: Timeout (95sec -> 30ms)
Fixes: 14765/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INDEO2_fuzzer-5692455527120896

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpe
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 52939a2c5772ec00101d293695d0a96dcccf99d9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
87a4871571 avcodec/diracdec: Check that slices are fewer than pixels
Fixes: Timeout (197sec ->144ms)
Fixes: 15034/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5733549405110272

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 fbbc8ba67f19d55380b1bc8b5f057328c266d747)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
b9b9106f25 avcodec/vp56: Consider the alpha start as end of the prior header
Fixes: Timeout (23sec -> 71ms)
Fixes: 15661/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VP6A_fuzzer-6257865947348992

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 db78bc1297ebaa51cfe5c80775808ec11ed7512b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
32b4512aec avcodec/4xm: Check for end of input in decode_p_block()
Fixes: Timeout (81sec -> 0.2sec)
Fixes: 16169/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5662570416963584

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 8f92eb05e063e6c4d6e36521020620d4e6e1c21d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
1adb5720a2 avcodec/hevcdec: Check delta_luma_weight_l0/1
Fixes: signed integer overflow: 1 + 2147483647 cannot be represented in type 'int'
Fixes: 16041/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5685680656613376

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 021f29506b493376d62cdb5b9cb66a6b85e5361f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
0ca85d1326 avcodec/hnm4video: Optimize postprocess_current_frame()
Improves: Timeout (220sec -> 108sec)
Improves: 15570/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HNM4_VIDEO_fuzzer-5085482213441536

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Tomas Härdin <tjoppen@acc.umu.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cd460f4da04c05d6ba93ccbbe294e948768f0937)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
23f54b4db2 avcodec/hevc_refs: Optimize 16bit generate_missing_ref()
Fixes: Timeout (86sec -> 8sec) [these numbers assume also "[FFmpeg-devel] [PATCH 2/5] [RFC] avcodec/hevcdec: Check for overread in hls_decode_entry()"]
Fixes: 15702/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5657764929470464

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 da8936969fe695a042282d5686e12227745d299a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
fd897acc35 avcodec/scpr: Use av_memcpy_backptr() in type 17 and 33
This makes the changed code-path faster.

Change not tested except with the fuzzer testcase as I found no other testcase.

Improves: Timeout (136sec -> 74sec)
Improves: 16040/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SCPR_fuzzer-5705876062601216

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
(cherry picked from commit 950a21e83c742714d6afbecd3e3fd1887e80fa40)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
26d48144e5 avcodec/dds: Use ff_set_dimensions()
Fixes: signed integer overflow: 2082471995 * 36 cannot be represented in type 'int'
Fixes: 16025/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DDS_fuzzer-5136663778426880

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 9cd1e939cf26e7a53f28cbbda22d27535981b9db)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
dbc9f38aac avcodec/mpc8: Fix 32bit mask/enum
Fixes: left shift of 1 by 31 places cannot be represented in type 'int'
Fixes: 15817/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPC8_fuzzer-5636626409062400

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 e8bb949ade4078ca318a9b3475cb7a6cfc7e4639)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
e80c90eadb avcodec/alsdec: Fix integer overflows of raw_samples in decode_var_block_data()
This also makes the code consistent with the existing similar MUL64()
in decode_var_block_data()

Fixes: signed integer overflow: -7277630735906765035 + -3272193951413647896 cannot be represented in type 'long'
Fixes: 16015/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5666552818434048

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 fad3ec89b7a664b93b5e29bdb0db0cab0272a0c4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
fb12d635c5 avcodec/alsdec: Fix integer overflow of raw_samples in decode_blocks()
Fixes: signed integer overflow: 2147483424 - -1772303236 cannot be represented in type 'int'
Fixes: 15708/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5067890362941440

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 ce652324062a2c72f92e40699797630ef7f1ec5a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
351381a3e3 avcodec/alsdec: fix mantisse shift
Fixes: shift exponent -1 is negative
Fixes: 16039/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5656825657032704

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 02346292a334a51f6da802146b782bdb01ae9b4e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
e5661aa706 avcodec/aacdec_template: fix integer overflow in imdct_and_windowing()
Fixes: signed integer overflow: 2147483645 + 4 cannot be represented in type 'int'
Fixes: 15418/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5685269069561856

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 da93e2b14218c4ab0fda60e21882a4633aac5748)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Andreas Rheinhardt
dbc9034dc2 libavcodec/iff: Use unsigned to avoid undefined behaviour
The initialization of the uint32_t plane32_lut matrix uses left shifts
of the form 1 << plane; plane can be as big as 31 which means that this
is undefined behaviour as 1 will be simply an int. So make it unsigned
to avoid this.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f12e662a3d3f489eec887b5f2ab20a550caed9cf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
c3ab134903 avcodec/alsdec: Check for block_length <= 0 in read_var_block_data()
Fixes: left shift of negative value -1
Fixes: 15719/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5685731105701888

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 be4fb282f9fb00d9c267dcc477745e2e468e758f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
4aaf644892 avcodec/vqavideo: Set video size
Fixes: out of array access
Fixes: 15919/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VQA_fuzzer-5657368257363968

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 02f909dc24b1f05cfbba75077c7707b905e63cd2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
e17bf0ab54 avcodec/sanm: Check extradata_size before allocations
Fixes: Leaks
Fixes: 15349/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SANM_fuzzer-5102530557640704

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 172a43ce36e671fdab63afe1c06876bba91445b3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
703ddaeac2 avcodec/mss1: check for overread and forward errors
Fixes: Timeout (106sec -> 14ms)
Fixes: 15576/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSS1_fuzzer-5688080461201408

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 43015afd7ce9055f1fa2d7648c3fcd9b7cfd7721)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
fbb686fe1a avcodec/dirac_parser: Fix overflow in dts
Fixes: signed integer overflow: -2147483648 - 1 cannot be represented in type 'int'
Fixes: 15568/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5634719611355136

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 549fcba8fc83330763ccd3cc67233037c96bc6d9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
499ec067ad avcodec/ralf: Fix undefined pointer in decode_channel()
Fixes: 16203/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5086088934195200

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 3c06ba171697b665ef4b2b47fe0008199b3eff86)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
0f11aa263e avcodec/ralf: Fix integer overflow in apply_lpc()
Fixes: signed integer overflow: 1603085316 + 1238786562 cannot be represented in type 'int'
Fixes: 16203/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5086088934195200

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 ccca484324e04dff4cb81d0f9018ae828e6b5c89)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
5a16b294ed avcodec/vorbisdec: Implement vr->classifications = 1
It appears no valid file uses this, so this is not testable with
a valid file.

Fixes: assertion failure
Fixes: 16187/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VORBIS_fuzzer-5638880618872832

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 5a5f12e3b3f2177ede5839ff4141228666b8436f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
8f14f06595 avcodec/vorbisdec: Check parameters in vorbis_floor0_decode() before divide
Fixes: division by zero
Fixes: 16183/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VORBIS_fuzzer-5688966782648320

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 aecc9b96d613f54d772e9475738bb54e0e1f182e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
b7fcf8bf26 avformat/realtextdec: Check for duplicate extradata in realtext_read_header()
Fixes: memleak
Fixes: 16140/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5684008052064256

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 652ea23cb34bc59b38c0088865600e2b86079815)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
e7efe2aacf avcodec/apedec: Fix 2 signed overflows
Fixes: left shift of 1073741824 by 1 places cannot be represented in type 'int'
Fixes: signed integer overflow: 2049431315 + 262759074 cannot be represented in type 'int'
Fixes: 16012/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5719016003338240

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 392c028cd23d128f33d93b2159eed5de42f72b4d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
003bb6616c avcodec/mss3: Check for the rac stream being invalid in rac_normalize()
Fixes: out of array read
Fixes: 15982/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSA1_fuzzer-5630676251967488

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 99a172f3f4d0bef024c6293f575caaaddce0b267)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
5d353f32c6 avcodec/vc1_block: Check get_vlc2() return before use
Fixes: index -1 out of bounds for type 'const uint8_t [185][2]'
Fixes: 15720/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSS2_fuzzer-5666071933091840

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 2cb1f797350875ec45cb20d59dc0684fcbac20fc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00
Michael Niedermayer
bf3520cd64 avcodec/apedec: Do not partially clear data array
Fixes: Assertion failure and memleak
Fixes: 15709/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5182435093905408

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 8e4b522c9146b9c14579ae7381fb1043b7423578)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-15 12:25:45 +01:00