67785 Commits

Author SHA1 Message Date
Michael Niedermayer
2a77c0a81e avcodec/vp56: Require a correctly decoded frame before using vp56_conceal_mb()
Fixes timeout with 700/clusterfuzz-testcase-5660909504561152
Fixes timeout with 702/clusterfuzz-testcase-4553541576294400

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 2ce4f28431623cdde4aa496fd10430f6c7bdef63)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
25e65de35e avcodec/vp3: Do not return random positive values but the buf size
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d8094a303ba36344015a44d629bafc6d7094b4ac)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
269ef77f2a avcodec/vp8: Check for bitsteam end in decode_mb_row_no_filter()
Fixes timeout with 686/clusterfuzz-testcase-5853946876788736

this shortcuts (i.e. speeds up) the error and
return-to-user when decoding a truncated frame

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Previous version reviewed by: "Ronald S. Bultje" <rsbultje@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

(cherry picked from commit 7b5ff7d57355dc608f0fd86e3ab32a2fda65e752)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
16e1144633 avcodec/vp56: Factorize vp56_render_mb() out
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4c0139463c8f0a6f28e7b193c2a85608a7635bbd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
a71b23901c avcodec/vp3dsp: Fix multiple signed integer overflow: 46341 * 47523 cannot be represented in type 'int'
Fixes: 664/clusterfuzz-testcase-4917047475568640

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 2b8b7921c55a93049a86cfeb2fda9423d16f8ebe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
6ab9a98908 Add CHECK/SUINT code
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4614bf2caf67a89c2d833b3368f325eab54582bc)
(cherry picked from commit e8d4eacc07c61ae24f48451073a2620d8d257d33)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3f2a09a43f6fade53227804459e6babb1c7248b3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
570826b632 avcodec/mpeg12dec: Fix runtime error: left shift of negative value -1
Fixes: 764/clusterfuzz-testcase-6273034652483584

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 a720b854b0d3f0fae2b1eac644dd39e5821cacb1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
f46482f00c avcodec/vp56: Implement very basic error concealment
This should fix the fate failure due to a truncated last frame.
Alternatively the frame could be dropped.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d34bf886e963445350c4987f7a9ed77bd9c9a5c7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
789da030ff avcodec/amrwbdec: Fix 2 runtime errors: left shift of negative value -1
Fixes: 669/clusterfuzz-testcase-4847965409640448

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 6bd79ba59f46a8b3133f28faae53b75540469803)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
a560bdeacc avcodec/vp56: Fix sign typo
Fixes: 664/clusterfuzz-testcase-4917047475568640

The change to fate is due to a truncated last frames which is now detected as damaged.

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 513a3494396d0a20233273b3cadcb5ee86485d5c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
d506777063 avcodec/mpegaudiodec_template: Correct return code on id3 tag discarding
Fixes: 665/clusterfuzz-testcase-4863789881098240

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 5d81616be332cca99304d0b747c2c8e2d719f349)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
04fc0a8244 avcodec/pictordec: Do not read more than nb_planes
Fixes undefined behavior
Fixes: 622/clusterfuzz-testcase-5745722022428672

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 01d196a67dc55eb01cf3e06d6338c5d096a29b1c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
ac73d88fbc avcodec/mpeg12dec: Fix runtime error: left shift of negative value
Fixes: 608/clusterfuzz-testcase-603978286392934

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 706757d26dd5e606c1745a4bb53fe45f6d6493cf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
42ff6897ca avcodec/wavpacl: Fix runtime error: left shift of negative value -1
Fixes: 607/clusterfuzz-testcase-5108792465293312

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 12eebb845a7fe1ced91606547352cbdd93a2726d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
9ebbce5113 avformat/http: Check for truncated buffers in http_connect()
Reported-by: SleepProgger <security@gnutp.com>
Reviewed-by: Steven Liu <lingjiujianke@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8fa18e042ad2c078f759692f1db5629d16d70595)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Matt Wolenetz
01308b492a lavf/mov.c: Avoid heap allocation wrap in mov_read_uuid
Core of patch is from paul@paulmehta.com
Reference https://crbug.com/643951

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Check value reduced as the code does not support values beyond INT_MAX
Also the check is moved to a more common place and before integer truncation

(cherry picked from commit 2d453188c2303da641dafb048dc1806790526dfd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Matt Wolenetz
bb7fd51239 lavf/mov.c: Avoid heap allocation wrap in mov_read_hdlr
Core of patch is from paul@paulmehta.com
Reference https://crbug.com/643950

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Check value reduced as the code does not support larger lengths

(cherry picked from commit fd30e4d57fe5841385f845440688505b88c0f4a9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
cdbaa022f4 avcodec/pictordec: Fix logic error
Fixes: 559/clusterfuzz-testcase-6424225917173760

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 8c2ea3030af7b40a3c4275696fb5c76cdb80950a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Chris Cunningham
ef1da0bd53 lavf/matroskadec: fix is_keyframe for early Blocks
Blocks are marked as key frames whenever the "reference" field is
zero. This breaks for non-keyframe Blocks with a reference timestamp
of zero.

The likelihood of reference timestamp being zero is increased by a
longstanding bug in muxing that encodes reference timestamp as the
absolute time of the referenced frame (rather than relative to the
current Block timestamp, as described in MKV spec).

Now using INT64_MIN to denote "no reference".

Reported to chromium at http://crbug.com/497889 (contains sample)

(cherry picked from commit ac25840ee32888f0c13118edeb9404a123cd3a79)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
James Almer
f0439a3959 configure: bump year
Happy new year!

(cherry picked from commit d800d48fc67208819c2a4ae5eb214ca5e3ad7e82)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
cc73108b94 avcodec/interplayvideo: Move parameter change check up
Fixes out of array read
Fixes: 544/clusterfuzz-testcase-5936536407244800.f8bd9b24_8ba77916_70c2c7be_3df6a2ea_96cd9f14

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b1e2192007d7026049237c9ab11e05ae71bf4f42)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
7a529a25b1 avcodec/mjpegdec: Check for for the bitstream end in mjpeg_decode_scan_progressive_ac()
Fixes timeout
Fixes: 496/clusterfuzz-testcase-5805083497332736

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 3782656631fa8262528c07794acf7e9c2aab000d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Frank Liberato
9b2591bc2d avformat/flacdec: Check avio_read result when reading flac block header.
Return AVERROR_INVALIDDATA if all four bytes aren't present.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 95bde49982a82bc10470c0adab5969ffe635d064)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
53c6a8d6ef avcodec/utils: correct align value for interplay
Fixes out of array access
Fixes: 452/fuzz-1-ffmpeg_VIDEO_AV_CODEC_ID_INTERPLAY_VIDEO_fuzzer

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 2080bc33717955a0e4268e738acf8c1eeddbf8cb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
8106a84204 avcodec/vp56: Check for the bitstream end, pass error codes on
Fixes timeout
Fixes: 446/fuzz-3-ffmpeg_VIDEO_AV_CODEC_ID_VP6_fuzzer

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 9e6a2427558a718be0c1fffacffd935f630a7a8d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
4445b614fa avcodec/mjpegdec: Check remaining bitstream in ljpeg_decode_yuv_scan()
Fixes timeout
Fixes: 445/fuzz-3-ffmpeg_VIDEO_AV_CODEC_ID_MJPEG_fuzzer
Fixes: 456/fuzz-2-ffmpeg_VIDEO_AV_CODEC_ID_JPEGLS_fuzzer

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 755933cb5cd17decd1838d3d64e07d4157de5638)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
62244f37d1 avcodec/pngdec: Fix off by 1 size in decode_zbuf()
Fixes out of array access
Fixes: 444/fuzz-2-ffmpeg_VIDEO_AV_CODEC_ID_PNG_fuzzer

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 e371f031b942d73e02c090170975561fabd5c264)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
14e5d6a009 avcodec/mjpegdec: Check for rgb before flipping
Fixes assertion failure due to unsupported case

Fixes: 356/fuzz-1-ffmpeg_VIDEO_AV_CODEC_ID_MJPEG_fuzzer
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 25d9643f1172ae6a210c671195ba3135895abaf3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
3490a9f8c8 avutil/random_seed: Reduce the time needed on systems with very low precission clock()
This should fix issues on BSD
CLOCKS_PER_SEC is 128 on BSD while SUSv2 requires it to be a million

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c4152fc42e480c41efb7f761b1bbe5f0bc43d5bc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
4c854138bd avutil/random_seed: Improve get_generic_seed() with higher precission clock()
Tested-by: Thomas Turner <thomastdt@googlemail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit da73d95bad4736c5e0a6b4b1a811f4dd4525bb4c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
702d697c2b avcodec/mpeg4videodec: Fix undefined shifts in mpeg4_decode_sprite_trajectory()
Fixes: part of 670190.ogg

Found-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8258e363851434ad5662c19d036fddb3e3f27683)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
28def574c0 avformat/oggdec: Skip streams in duration correction that did not had their duration set.
Fixes: part of 670190.ogg
Fixes integer overflow

Found-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ee2a6f5df8c6a151c3e3826872f1b0a07401c62a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
844ce50f9f avcodec/ffv1enc: Fix size of first slice
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cff1c0edaa797eca96663d9b83e4b8c1b609ff19)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
a07cf6423e ffserver: Check chunk size
Fixes out of array access

Fixes: poc_ffserver.py
Found-by: Paul Cher <paulcher@icloud.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a5d25faa3f4b18dac737fdb35d0dd68eb0dc2156)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
19239c983e Avoid using the term "file" and prefer "url" in some docs and comments
This should make it less ambigous that these are URLs

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a5f27a9c3aa973c543bd8bbf2a78363700bbc03e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
4c5ebe4b01 avformat/rtmppkt: Check for packet size mismatches
Fixes out of array access

Found-by: Paul Cher <paulcher@icloud.com>
Reviewed-by: Paul Cher <paulcher@icloud.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7d57ca4d9a75562fa32e40766211de150f8b3ee7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Timothy Gu
cdea949fcf zmqsend: Initialize ret to 0
Fixes CID1396857.

(cherry picked from commit d903b4e3ad4a81b3dd79f12c2f3b9cb16e511173)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
ac0cdddc78 avcodec/flacdec: Fix undefined shift in decode_subframe()
Fixes undefined behavior
Fixes: 639961-media

Found-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1f5630af51f24d79053b6bef5b8b3ba93d637306)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
2e7800778c avcodec/get_bits: Fix get_sbits_long(0)
Fixes undefined behavior
Fixes: 640889-media

Found-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c72fa432349881d5a445cd110abf698cc94d490d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
a9479bbc57 avcodec/flacdec: Fix signed integer overflow in decode_subframe_fixed()
Fixes undefined behavior
Fixes: 640912-media

Found-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 83a75bf6c31b3c0ce2ca7e1426d1f2e3df634239)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
483204b5c4 avcodec/flacdsp_template: Fix undefined shift in flac_decorrelate_indep_c
Fixes: left shift of negative value
Fixes: 668346-media

Found-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit acc163c6ab52d2235767852262c64c7f6b273d1c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
aef73c3676 avformat/oggparsespeex: Check frames_per_packet and packet_size
The speex specification does not seem to restrict these values, thus
the limits where choosen so as to avoid multiplicative overflow

Fixes undefined behavior
Fixes: 635422.ogg

Found-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit afcf15b0dbb4b6429be5083e50b296cdca61875e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
1a383992ee avformat/utils: Check start/end before computing duration in update_stream_timings()
Fixes undefined behavior
Fixes: 637428.ogg

Found-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 90da187f1d334422477886a19eca3c1da29c59a7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
364f7ad5b0 avcodec/flac_parser: Update nb_headers_buffered
Fixes infinite loop
Fixes: fuzz.flac

Found-by: Frank Liberato <liberato@google.com>
Reviewed-by: Frank Liberato <liberato@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2475858889cde6221677473b663df6f985add33d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
5497fa83f9 avformat/idroqdec: Check chunk_size for being too large
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 744a0b5206634e5de04d5c31f08cc3640faf800d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
8e7f5ecfca avformat/mpeg: Adjust vid probe threshold to correct mis-detection
Fixes: _ij.mp3

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4e5049a2303ae7fe74216a83206239e4de42c965)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
238a17fd54 avcodec/rv40: Test remaining space in loop of get_dimension()
Fixes infinite loop
Fixes: 178/fuzz-3-ffmpeg_VIDEO_AV_CODEC_ID_RV40_fuzzer

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 1546d487cf12da37d90a080813f8d57ac33036bf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
32c51deb3c avcodec/ituh263dec: Avoid spending a long time in slice sync
Fixes: 177/fuzz-3-ffmpeg_VIDEO_AV_CODEC_ID_FLV1_fuzzer

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 2baf36caed98cfdc7f6a2086fbf26f1a172f16cf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
24195619f6 avcodec/sunrast: Fix input buffer pointer check
Fixes: out of array read
Fixes: poc.dat

Found-by: Bingchang, Liu @VARAS of IIE
Tested-by: bc L <l.bing.chang.bc@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 37138338ff602803d174b13fecd363a083bc2f9a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
Michael Niedermayer
934c315c20 avcodec/tscc: Check side data size before use
Fixes out of array read

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 979bca513424879ed0c653cb1b55fc4156a89576)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00