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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-24 13:56:33 +02:00

91352 Commits

Author SHA1 Message Date
Michael Niedermayer
2f81dc8ce0 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
8827dd34ac 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
0fcc5b9a80 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
ae339717ca 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
9c24fb25fe 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
ba67c68044 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
f01618f84b 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
a4ee356189 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
e711ee19c5 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
0ab43786f9 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
7ce04a5e63 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
68f395f417 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
1533f2a135 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
d103c07fc2 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
dd6ad87a91 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
2cce17339c 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
2ce3997846 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
999a7532a4 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
6356e85feb 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
db3a640bd2 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
48d80f3b6b 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
2588a10aa6 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
336a864f27 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>
2019-11-11 20:18:47 +01:00
Andreas Rheinhardt
29381c66b2 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
56a2469104 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
ce2caf5674 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
e385d1f2f7 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
1308a9ac43 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
76c54a084b 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>
2019-11-11 20:18:47 +01:00
Michael Niedermayer
a56d56378e 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>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
240c7ec6bf 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>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
78ec060eda 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>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
7dfa2bc0f6 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>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
c3b4278b01 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>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
1bfaa22889 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>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
fa7de3ba8a 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>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
4546ac5e80 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>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
37d4ad2fb4 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>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
8393102856 avcodec/hnm4video: Forward errors of decode_interframe_v4()
Fixes: Timeout (108sec -> 160ms)
Fixes: 15570/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HNM4_VIDEO_fuzzer-5085482213441536

Reviewed-by: Tomas Härdin <tjoppen@acc.umu.se>
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 9af8ce754b705c36ad4d2b6fd0f73f87ca4381c4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
34479be7a6 avcodec/clearvideo: fix invalid shift in tile size check
Fixes: left shift of 1 by 31 places cannot be represented in type 'int'
Fixes: 15631/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CLEARVIDEO_fuzzer-5690110605000704

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 5dc94924d0fbdedba4356c21ec7de0347b8e4757)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
2736e0875c avcodec/vp3: Check that theora is theora
Theora is forced to be non zero if it is zero and a sample
is asked for, as suggested by reimar

Fixes: Timeout (2min -> 600ms)
Fixes: 15366/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THEORA_fuzzer-5737849938247680

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 b4bf7226aff28e9ca379c5a3dedf745a2d316739)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
fff10e2c71 avcodec/vc1_pred: Fix invalid shift in scaleforsame()
Fixes: left shift of negative value -1
Fixes: 15531/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-5759556258365440

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 6dfda35dd29d2e2a86554d2c05d957a09ab79b0c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
ef20f0a0c2 avcodec/vc1_block: Fix integer overflow in ff_vc1_pred_dc()
Fixes: signed integer overflow: 32796 * 65536 cannot be represented in type 'int'
Fixes: 15430/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-5735424087031808

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 f31ed8f3b00ec7afe87092798bf0b397f6e19ed5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
a4cb2955e3 avcodec/truemotion2: Fix several integer overflows in tm2_motion_block()
Fixes: 15524/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5173148372172800
Fixes: signed integer overflow: 13701388 - -2134868270 cannot be represented in type 'int'

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9a353ea8766206bd302f3f12ca1d226237542908)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
f1e20d7d90 avcodec/apedec: make left/right unsigned to avoid undefined behavior
Fixes: signed integer overflow: 755176387 + 1515360583 cannot be represented in type 'int'
Fixes: 15506/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5706859232624640

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 bf778af1493b0814696307432763246fb53c75e7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
ceafee40e1 avcodec/apedec: Fix multiple integer overflows and undefined behaviorin filter_3800()
Fixes: left shift of negative value -4
Fixes: signed integer overflow: -15091694 * 167 cannot be represented in type 'int'
Fixes: signed integer overflow: 1898547155 + 453967445 cannot be represented in type 'int'
Fixes: 15258/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5759095564402688
Fixes: signed integer overflow: 962196438 * 31 cannot be represented in type 'int'
Fixes: 15364/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5718799845687296

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 267eb2ab7f87696e1a156ca9a5ff1b1628d170c1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
73ce6c9c26 avformat/mpc: deallocate frames array on errors
Fixes: memleak on error path
Fixes: 15984/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5679918412726272

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 da5039415c2bd625085d15e6c92e0b64eefddcbf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
fcbeb3460f avcodec/eatqi: Check for minimum frame size
The minimum header is 8 bytes, the smallest bitstream that is passed to
the MB decode code is 4 bytes

Fixes: Timeout (35sec -> 18sec)
Fixes: 15800/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EATQI_fuzzer-5684154517159936

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 5ffb8e879389fb0642654e3233cfeca1f9841e52)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
cacc0c1bd6 avcodec/eatgv: Check remaining size after the keyframe header
The minimal size which unpack() will not fail on is 5 bytes
Fixes: Timeout (14sec -> 77ms) (testcase 15508)
Fixes: 15508/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EATGV_fuzzer-5700053513011200
Fixes: 15996/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EATGV_fuzzer-5751353223151616

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 009ec8dc3345353b1cd2316423918533fcb89552)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:46 +01:00
Michael Niedermayer
9701fc0ad6 avcodec/assdec: undefined use of memcpy()
Fixes: null pointer passed as argument 2, which is declared to never be null
Fixes: 16008/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SSA_fuzzer-5650582821404672 (this is a separate issue found in this testcase)

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 47b6ca0b022a413e392707464f2423795aa89bfb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-11 20:18:46 +01:00