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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-19 05:49:09 +02:00

75503 Commits

Author SHA1 Message Date
Michael Niedermayer
87cc0b0474 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>
2017-02-08 21:17:51 +01:00
Frank Liberato
d59582a567 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>
2017-02-08 21:17:51 +01:00
Michael Niedermayer
17a9e90d1f 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>
2017-02-08 21:17:51 +01:00
Michael Niedermayer
3aca3f1257 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>
2017-02-08 21:17:51 +01:00
Michael Niedermayer
9f2e4c26a0 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>
2017-02-08 21:17:51 +01:00
Michael Niedermayer
1febd817b1 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>
2017-02-08 21:17:51 +01:00
Tobias Rapp
3f3ee3e62f avformat/avidec: skip odml master index chunks in avi_sync
Fixes pts gaps when reading AVI files > 256GiB generated by FFmpeg.

Signed-off-by: Tobias Rapp <t.rapp@noa-archive.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6d579d7c1bdc4126955cae7f385208e455685986)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-02-08 21:17:51 +01:00
Michael Niedermayer
8be687a81f 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>
2017-02-08 21:17:50 +01:00
Michael Niedermayer
1827fe0989 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>
2017-02-08 21:17:50 +01:00
Michael Niedermayer
02073b5ab1 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>
2017-02-08 21:17:50 +01:00
Michael Niedermayer
1825f7670a avformat/utils: Print verbose error message if stream count exceeds max_streams
Reviewed-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f0bdd538712d8ed34120ab2b7bd1409fcc99fb45)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-02-08 21:17:50 +01:00
Michael Niedermayer
2647ca4581 avformat/options_table: Set the default maximum number of streams to 1000
Fixes CVE-2016-9561, Note the security relevance of this is disputed as
running out of memory can happen with valid files

Suggested-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com>
Reviewed-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 30581c51e72a7a7ea1572c1c6039f6e4c590a55c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-02-08 21:17:50 +01:00
Michael Niedermayer
2e44b10418 avutil: Add av_image_check_size2()
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f542b152aa2086b30d1089162d79f5c136905c0c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-02-08 21:17:50 +01:00
Michael Niedermayer
c6fbff1358 avformat: Add max_streams option
This allows user apps to stop OOM due to excessive number of streams

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1296f844955e513d19051c962656f829479d4fb9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-02-08 21:17:50 +01:00
Michael Niedermayer
774461ea62 avcodec/ffv1enc: Allocate smaller packet if the worst case size cannot be allocated
We are checking during encoding if there is enough space as version 4 needs that
check.

Fixes Ticket6005

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 38a7834bbb24ef62466b076715e0add60e1d6962)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-02-08 21:17:50 +01:00
Michael Niedermayer
94a0a484b7 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>
2017-02-08 21:17:50 +01:00
Michael Niedermayer
a127f51140 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>
2017-02-08 21:17:50 +01:00
Michael Niedermayer
07ca8300a6 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>
2017-02-08 21:17:50 +01:00
Andreas Cadhalpun
f7e18dea7a pgssubdec: reset rle_data_len/rle_remaining_len on allocation error
The code relies on their validity and otherwise can try to access a NULL
object->rle pointer, causing segmentation faults.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
(cherry picked from commit 842e98b4d83d8cf297e2bc2761f1f47eb89e49e4)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
2017-02-01 02:29:08 +01:00
Michael Niedermayer
16c0d8aa46 update for ffmpeg 2.8.10
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
n2.8.10
2016-12-06 03:50:50 +01:00
Michael Niedermayer
1ec9fd15b9 avformat/http: Match chunksize checks to master..3.0
Fixes warning about impossible condition

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2016-12-06 03:30:10 +01:00
Michael Niedermayer
4a947f4385 Changelog: fix typos
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2016-12-06 01:19:34 +01:00
Michael Niedermayer
e0cb113f9b 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>
2016-12-06 00:59:22 +01:00
Michael Niedermayer
15abba737b 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>
2016-12-06 00:59:22 +01:00
Michael Niedermayer
5bfb0b02b6 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>
2016-12-06 00:59:22 +01:00
Timothy Gu
c472c1b3e7 zmqsend: Initialize ret to 0
Fixes CID1396857.

(cherry picked from commit d903b4e3ad4a81b3dd79f12c2f3b9cb16e511173)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2016-12-06 00:59:22 +01:00
James Almer
e8dfe3f34a configure: check for strtoull on msvc
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit b52d3574d466e745834d1283b55570dee1e2d4cd)
2016-12-05 19:19:11 -03:00
Ronald S. Bultje
d3fc5c17de http: move chunk handling from http_read_stream() to http_buf_read().
(cherry picked from commit 845bb401781ef04e342bd558df16a8dbf5f800f9)
2016-12-05 16:20:58 -05:00
Ronald S. Bultje
606b21353d http: make length/offset-related variables unsigned.
Fixes #5992, reported and found by Paul Cher <paulcher@icloud.com>.

(cherry picked from commit 2a05c8f813de6f2278827734bf8102291e7484aa)
2016-12-05 16:20:40 -05:00
Michael Niedermayer
fb93771072 Changelog: update
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
n2.8.9
2016-12-04 01:42:53 +01:00
Michael Niedermayer
3f8bb78f3e 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>
2016-12-04 01:05:02 +01:00
Michael Niedermayer
a5989651f0 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>
2016-12-04 01:03:53 +01:00
Michael Niedermayer
1e512388ee avformat/ffmdec: Check media type for chunks
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e706e2e775730db5dfa9103628cd70704dd13cef)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2016-12-03 17:46:37 +01:00
Michael Niedermayer
31d46dc97d 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>
2016-12-03 17:32:54 +01:00
Michael Niedermayer
5790ce6273 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>
2016-12-03 17:32:33 +01:00
Michael Niedermayer
f202fefdb0 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>
2016-12-03 04:10:31 +01:00
Michael Niedermayer
3af916db37 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>
2016-12-03 04:10:19 +01:00
Michael Niedermayer
518beeb72f Changelog: Update
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2016-12-02 00:47:39 +01:00
Michael Niedermayer
46edc6d5ef 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>
2016-12-01 23:50:40 +01:00
Michael Niedermayer
046cc06f5a 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>
2016-12-01 23:50:40 +01:00
Andreas Cadhalpun
970781f5f2 Update Changelog 2016-11-27 00:47:03 +01:00
Andreas Cadhalpun
d8ec9e97b9 filmstripdec: correctly check image dimensions
This prevents a division by zero in read_packet.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
(cherry picked from commit 25012c56448a48487cdc9699465e640871dbcd60)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
2016-11-27 00:46:36 +01:00
Andreas Cadhalpun
028c87be95 mss2: only use error correction for matching block counts
This fixes a heap-buffer-overflow in ff_er_frame_end when decoding mss2
with coded_width/coded_height larger than width/height.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
(cherry picked from commit 2566ad98b01538ea589e5ee07b69fc566aadc348)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
2016-11-27 00:46:36 +01:00
Andreas Cadhalpun
b45e112bbd softfloat: decrease MIN_EXP to cover full float range
floats are not necessarily normalized, so a normalized softfloat needs
MIN_EXP lowered by 23 to cover that range.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
(cherry picked from commit 2d6f46d801bab990b7e742b8a8e5c5b0cb70a80e)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
2016-11-27 00:46:35 +01:00
Andreas Cadhalpun
56b120630f libopusdec: default to stereo for invalid number of channels
This fixes an out-of-bounds read if avc->channels is 0.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
(cherry picked from commit 8c8f543b81aa2b50bb6a6cfd370a0061281492a3)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
2016-11-27 00:46:35 +01:00
Andreas Cadhalpun
22cd4aa221 sbgdec: prevent NULL pointer access
Reviewed-by: Josh de Kock <josh@itanimul.li>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
(cherry picked from commit dbefbb61b785cd77810c032f5cdb499d2a92df07)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
2016-11-27 00:46:35 +01:00
Andreas Cadhalpun
8a7b2fbf6f smacker: limit recursion depth of smacker_decode_bigtree
This fixes segmentation faults due to stack-overflow caused by too deep
recursion.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
(cherry picked from commit 946ecd19ea752399bccc751c9339ff74b815587e)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
2016-11-27 00:46:35 +01:00
Andreas Cadhalpun
8f27508f1c mxfdec: fix NULL pointer dereference in mxf_read_packet_old
Metadata streams have priv_data set to NULL.

Reviewed-by: Josh de Kock <josh@itanimul.li>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
(cherry picked from commit fdb8c455b637f86e2e85503b7e090fa448164398)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
2016-11-27 00:46:35 +01:00
Andreas Cadhalpun
7552f6fc1b libschroedingerdec: fix leaking of framewithpts
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
(cherry picked from commit 3c0328d58d98664b05efdd377d3fe66a569d385e)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
2016-11-27 00:46:35 +01:00
Andreas Cadhalpun
70ca4ce17a libschroedingerdec: don't produce empty frames
They are not valid and can cause problems/crashes for API users.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
(cherry picked from commit a86ebbf7f641bc797002ddea7fb517759722cd1b)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
2016-11-27 00:46:35 +01:00