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Author SHA1 Message Date
Michael Niedermayer
0060dc62f1 avcodec/jvdec: Use ff_get_buffer() when the content is not reused 
Fixes: Timeout (11sec -> 5sec)
Fixes: 14473/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JV_fuzzer-5761630857592832

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 09edcd3572)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
5ea8ce3b37 avcodec/truemotion2: Fix 2 integer overflows in tm2_update_block() 
Fixes: signed integer overflow: -2147483648 + -1 cannot be represented in type 'int'
Fixes: 14107/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5694078680825856

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 f4a1b8d409)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
08d736d536 avcodec/gdv: Check input palette size before rescale() 
Fixes: Timeout (22sec -> 11sec)
Fixes: 13576/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_GDV_fuzzer-5681024577568768

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 f857753f56)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
3f950b866a avcodec/jpeg2000: Check stepsize before using it 
Fixes: value 1.87633e+10 is outside the range of representable values of type 'int'
Fixes: Undefined behavior
Fixes: 14246/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5758393601490944

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 06ef186fa1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
d5ba641ff4 avcodec/aacdec_fixed: Fix undefined shift in noise_scale() 
Fixes: 13655/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5120559430500352

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 8ea211ab79)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
d8bdc95457 avutil/avstring: Fix bug and undefined behavior in av_strncasecmp() 
The function in case of n=0 would read more bytes than 0.
The end pointer could be beyond the allocated space, which
is undefined.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6f0e9a8634)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
05a90821d0 avformat/mov: Skip stsd adjustment without chunks 
Fixes: Assertion failure
Fixes: clusterfuzz-testcase-minimized-media_pipeline_integration_fuzzer-5683096400822272

Found-by: Clusterfuzz
Reported-by: Dan Sanders <sandersd@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 18a567c369)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
9b4004c054 avformat/aadec: Check for scanf() failure 
Fixes: use of uninitialized variables
Fixes: blank.aa

Found-by: Chamal De Silva <chamal.desilva@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ed188f6dcd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
d39467262d avcodec/ccaption_dec: Add a blank like at the end to avoid rollup reading from outside 
Fixes: index 20 out of bounds for type 'const char *[4][128]'
Fixes: 14367/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CCAPTION_fuzzer-5718819672162304

Reviewed-by: Paul B Mahol <onemda@gmail.com>
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 f17e8e90bb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
92205c4a1d avcodec/ivi: Move buffer/block end check to caller of ivi_dc_transform() 
Fixes: assertion failure
Fixes: 14078/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INDEO5_fuzzer-5760571284127744

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 110dce9633)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
fb3135ae97 avcodec/diracdec: Use 64bit in intermediate of global motion vector field generation 
It seems the specification does not limit the value to 32bit

Fixes: signed integer overflow: -109611143 * 24 cannot be represented in type 'int'
Fixes: 13477/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5648337460527104

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 837820f385)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Michael Niedermayer
6a0895bdf3 avcodec/truemotion2: Fix integer overflow in tm2_decode_blocks() 
Fixes: signed integer overflow: 255 + 2147483634 cannot be represented in type 'int'
Fixes: 13472/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5712444142387200

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 0ad0533e91)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-06-27 17:50:47 +02:00
Andreas Rheinhardt
b5229a0b3e movsub_bsf: Fix mov2textsub regression 
The mov flavour of timed text uses the first two bytes of the packet as
a length field. And up until 11bef2fe said length field has been read
correctly in the mov2textsub bsf. But since then the next two bytes are
read as if they were the length field. This is fixed in this commit.

Reviewed-by: Philip Langdale <philipl@overt.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 800f618a34)
 2019-06-24 23:55:17 -03:00
Jun Zhao
72f03b2af4 lavc/libaomenc: Add a maximum constraint of 64 encoder threads. 
fixed the error in Intel(R) Xeon(R) Gold 6152 CPU like:
[libaom-av1 @ 0x469f340] Failed to initialize encoder: Invalid parameter
[libaom-av1 @ 0x469f340]   Additional information: g_threads out of range [..MAX_NUM_THREADS]

Signed-off-by: Jun Zhao <mypopydev@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit b87063c06d)
 2019-06-17 18:50:05 -03:00
James Almer
7211e1ca93 avformat/aacdec: fix demuxing of small frames 
10 bytes (id3v2 header amount of bytes) were being read before any checks
were made on the bitstream. The result was that we were overreading into
the next frame if the current one was 8 or 9 bytes long.

Fixes tickets #7271 and #7869.

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit d88193c219)
 2019-05-06 13:53:39 -03:00
Sergey Svechnikov
7c2dd1f969 avcodec/cuviddec: improve progressive frame detection 
There are 2 types of problems when using adaptive deinterlace with cuvid:

1. Sometimes, in the middle of transcoding, cuvid outputs frames with visible horizontal lines (as though weave deinterlace method was chosen);
2. Occasionally, on scene changes, cuvid outputs a wrong frame, which should have been shown several seconds before (as if the frame was assigned some wrong PTS value).

The reason is that sometimes CUVIDPARSERDISPINFO has property progressive_frame equal to 1 with interlaced videos.
In order to fix the problem we should check if the video is interlaced or progressive in the beginning of a video sequence (cuvid_handle_video_sequence).
And then we just use this information instead of the property progressive_frame in CUVIDPARSERDISPINFO (which is unreliable).

Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
 2019-04-23 12:52:02 +02:00
Tristan Matthews
cf7a5c655c avformat/matroskaenc: fix leak on error 
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 1ec777dcdd)
 2019-04-09 12:10:36 -03:00
Jeremy Dorfman
420fe39aff avformat/av1: Initialize padding in ff_isom_write_av1c 
Otherwise, AV1 encodes with FFmpeg trigger use-of-uninitialized-value
warnings under MemorySanitizer, and the output buffer potentially
changes from run to run.

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit bb5efd1727)
 2019-04-09 12:08:30 -03:00
James Almer
ec82b3ecbb avcodec/cbs_av1: fix parsing spatial_id 
Reviewed-by: Mark Thompson <sw@jkqxz.net>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 461303f94a)
 2019-04-02 18:04:53 -03:00
Michael Niedermayer
4154f89678 Changelog: update 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
n4.1.3 		2019-04-01 10:33:02 +02:00
Michael Niedermayer
6c75df556f avcodec/rscc: Check that the to be uncompressed input is large enough 
Fixes: Out of array access
Fixes: 13984/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RSCC_fuzzer-5734128093233152

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 3a0ec1511e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-04-01 10:32:08 +02:00
James Almer
58cd70201e avformat/movenc: free eac3 private data only when closing the stream 
This makes sure the data is available when writing the moov atom during the
second pass triggered by the faststart movflag.

Fixes ticket #7780

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 27c94c57dc)
 2019-03-31 20:36:41 -03:00
Michael Niedermayer
1d720b37f0 Update for 4.1.3 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-31 23:31:47 +02:00
Michael Niedermayer
f1ecebcdb7 avcodec/hevcdec: Avoid only partly skiping duplicate first slices 
Fixes: NULL pointer dereference and out of array access
Fixes: 13871/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5746167087890432
Fixes: 13845/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5650370728034304

This also fixes the return code for explode mode

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 54655623a8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-31 23:30:09 +02:00
Carl Eugen Hoyos
daca529112 lavc/bmp: Avoid a heap buffer overwrite for 1bpp input. 
Found by Mingi Cho, Seoyoung Kim, and Taekyoung Kwon
of the Information Security Lab, Yonsei University.

(cherry picked from commit 1e34014010)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-31 23:30:09 +02:00
Michael Niedermayer
65f94b732a avcodec/mpegpicture: Check size of edge_emu_buffer 
Fixes: OOM
Fixes: 13710/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-5633152942342144

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 635067b75f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-31 23:30:09 +02:00
Michael Niedermayer
ad0f4a7d10 avformat/mov: Fix potential integer overflow in entry check in mov_read_trun() 
No testcase

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ff13a92a6f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-31 23:30:09 +02:00
Michael Niedermayer
cb4768e7f2 avcodec/truemotion2: Fix integer overflow in tm2_null_res_block() 
Fixes: signed integer overflow: 1111638592 - -2122219136 cannot be represented in type 'int'
Fixes: 13441/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5732769815068672

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 1223696c72)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-31 23:30:09 +02:00
James Almer
6972b353b4 avcodec/cbs_av1: fix range of values for Mastering Display Color Volume Metadata OBUs 
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 40490b3a63)
 2019-03-25 19:59:28 -03:00
James Almer
abf36b76de avcodec/av1_parser: don't abort parsing the first frame if extradata parsing fails 
The first frame contains the sequence header, which is needed to parse every
following frame.

This fixes parsing streams with broken extradata but correct packet data.

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 699d0c2a30)
 2019-03-25 19:59:22 -03:00
Michael Niedermayer
a7cb7a2e43 Changelog: update 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
n4.1.2 		2019-03-21 09:02:44 +01:00
Michael Niedermayer
b429df281d avcodec/dfa: Check the chunk header is not truncated 
Fixes: Timeout (11sec -> 3sec)
Fixes: 13218/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DFA_fuzzer-5661074316066816

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 f20760fadb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-21 09:01:42 +01:00
Michael Niedermayer
7ce56329e7 avcodec/clearvideo: Check remaining data in P frames 
Fixes: Timeout (19sec -> 419msec)
Fixes: 13411/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CLEARVIDEO_fuzzer-5733153811988480

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 41f93f9411)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-21 09:01:42 +01:00
James Almer
dbef08b60f avcodec/hevcdec: decode at most one slice reporting being the first in the picture 
Fixes deadlocks when decoding packets containing more than one of the aforementioned
slices when using frame threads.

Tested-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 70c8c8a818)
 2019-03-20 20:28:04 -03:00
Michael Niedermayer
77d244e7a9 Update for 4.1.2 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-14 17:31:54 +01:00
Michael Niedermayer
8cee4190f3 avcodec/dvbsubdec: Check object position 
Reference: ETSI EN 300 743 V1.2.1  7.2.2 Region composition segment

Fixes: Timeout
Fixes: 13325/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DVBSUB_fuzzer-5143979392237568

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 a8c5ae4511)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-14 16:54:31 +01:00
Michael Niedermayer
04ce4cc072 avcodec/cdgraphics: Use ff_set_dimensions() 
Fixes: Timeout (17 sec -> 65 milli sec)
Fixes: 13264/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CDGRAPHICS_fuzzer-5711167941509120

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 9a9f0e239c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-14 16:54:10 +01:00
Michael Niedermayer
5d208aac52 avformat/gdv: Check fps 
Fixes: Division by 0
Fixes: ffmpeg_zero_division.bin

Found-by: Anatoly Trosinenko <anatoly.trosinenko@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 38381400fc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-14 16:53:57 +01:00
Guo, Yejun
83bfd4f3b5 configure: use vpx_codec_vp8_dx/cx for libvpx-vp8 checking 
Signed-off-by: Guo, Yejun <yejun.guo@intel.com>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit d9b2668766)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-14 11:51:09 +01:00
Guo, Yejun
9bf40978c6 configure: add missing pthreads extralibs dependency for libvpx-vp9 
Signed-off-by: Guo, Yejun <yejun.guo@intel.com>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 402bf26237)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-14 11:49:55 +01:00
Michael Niedermayer
1e50a327c6 avcodec/mpeg4videodec: Check idx in mpeg4_decode_studio_block() 
Fixes: Out of array access
Fixes: 13500/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-5769760178962432

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Kieran Kunhya <kierank@obe.tv>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d227ed5d59)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-14 00:24:44 +01:00
Michael Niedermayer
ad12d9df1e avcodec/dxv: Correct integer overflow in get_opcodes() 
Fixes: 13099/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXV_fuzzer-5665598896340992
Fixes: signed integer overflow: 2147483647 + 7 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 6e0b5d3a20)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-14 00:24:44 +01:00
Michael Niedermayer
67d030787e avcodec/scpr: Fix use of uninitialized variable 
Fixes: Undefined shift
Fixes: 12911/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SCPR_fuzzer-5677102915911680

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 53248acfb3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-14 00:24:44 +01:00
Michael Niedermayer
c90836cc3d avcodec/qpeg: Limit copy in qpeg_decode_intra() to the available bytes 
Fixes: Timeout (27 sec -> 39 milli sec)
Fixes: 13151/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QPEG_fuzzer-5717536023248896

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 b819472995)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-14 00:24:44 +01:00
Michael Niedermayer
6c0124d392 avcodec/aic: Check remaining bits in aic_decode_coeffs() 
Fixes: Timeout (78 seconds -> 2 seconds)
Fixes: 13186/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AIC_fuzzer-5639516533030912

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 951bb7632f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-14 00:24:44 +01:00
Michael Niedermayer
29619a8ac2 avcodec/gdv: Check for truncated tags in decompress_5() 
Testcase: 13169/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_GDV_fuzzer-5666354038833152

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 5cf42f65b6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-14 00:24:44 +01:00
Michael Niedermayer
09683e1f4e avcodec/bethsoftvideo: Check block_type 
Fixes: Timeout (17 seconds -> 1 second)
Fixes: 13184/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BETHSOFTVID_fuzzer-5711446296494080

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 b8ecadec05)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-14 00:24:44 +01:00
Michael Niedermayer
662b6351c8 avcodec/jpeg2000dwt: Fix integer overflow in dwt_decode97_int() 
Fixes: runtime error: signed integer overflow: 2147483598 + 128 cannot be represented in type 'int'
Fixes: 12926/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5705100733972480

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 4801eea0d4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-14 00:24:44 +01:00
Michael Niedermayer
b8dd1d2d4b avcodec/error_resilience: Use a symmetric check for skipping MV estimation 
This speeds up the testcase by a factor of 4

Fixes: Timeout
Fixes: 13100/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV2_fuzzer-5767533905313792

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 e4289cb253)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-14 00:24:44 +01:00
Michael Niedermayer
92335fc02b avcodec/mlpdec: Insuffient typo 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit fc32e08941)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-14 00:24:44 +01:00