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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-06-04 05:57:49 +02:00

92795 Commits

Author SHA1 Message Date
Michael Niedermayer
c1e67ca966 avcodec/atrac9dec: Check grad_range[1] more tightly
Alternatively the array could be made bigger but the extra values
would not be read without other changes.

Fixes: Out of array access
Fixes: 15658/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ATRAC9_fuzzer-5738260074070016

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Lynne <dev@lynne.ee>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 208225bd782207aaf2b380522f96fd4fe4dc3441)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
73302b0d97 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>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
4b335031d0 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>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
14df7f8cbc 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>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
46a1b4e8ac 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>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
38de5403c8 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>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
9431f39c91 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>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
7dbc888de6 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>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
102bc56731 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>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
7431c6224b 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>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
09d321d711 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>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
9738f204ce 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>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
16f98b9c29 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>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
904a8616a5 avcodec/brenderpix: Check input size before allocating image
An incomplete image is not supported prior to this and will
not produce any output. This commit moves the failure before
time consuming operations.

Fixes: Timeout (81sec -> 76ms)
Fixes: 15723/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BRENDER_PIX_fuzzer-5147265653538816

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 38b6c48c4300343f4703019a90a332773e64e11b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Matt Wolenetz
b68589b40a lafv/wavdec: Fail bext parsing on incomplete reads
avio_read can successfully return even when less than the requested
amount of input was read. wavdec's bext parsing mistakenly assumed a
successful avio_read always read the full amount that was requested.
The result could be dictionary tags populated with partially
uninitialized values.

This change also fixes a broken assertion in wav_parse_bext_string that
was off-by-one, though no known current usage of that method hits that
broken case.

Chromium bug: 987270

Signed-off-by: Matt Wolenetz <wolenetz@chromium.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 052d41377a02f480f8e7135c0f7d418e9a405215)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
bf28f5f367 avcodec/utils: fix leak of subtitle_header on error path
Fixes: memleak
Fixes: 15528/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_STL_fuzzer-5735993371525120
Fixes: 15792/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SAMI_fuzzer-5737754232619008
Fixes: 16008/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SSA_fuzzer-5650582821404672

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 923d5c489fd4ffd0b9dbfdc6c14f594bd134ab47)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
f2c01cc90b avcodec/utils: Check close before calling it
Fixes: NULL pointer dereference
Fixes: 15733/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IDF_fuzzer-5658616977162240

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 8df6884832ec413cf032dfaa45c23b1c7876670c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
7cfc42151e tools/target_dec_fuzzer: Free parser in case of avcodec_open2() failure
Fixes: memleak
Fixes: part of 15529/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LIBVPX_VP8_fuzzer-5140143700180992

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 508ce5839e0bf78ce8813eb1b38cce0d416a408e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
c24ff0743f avcodec/vorbisdec: Check vlc for floor0 dec vector offset
Fixes: out of array access
Fixes: 15649/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VORBIS_fuzzer-5729191309344768

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 99f95f39c6978f0d91e42b3bced126a98173dbef)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
19866e4d63 avcodec/vorbisdec: amplitude bits can be more than 25 bits
Fixes: assertion failure, invalid shift
Fixes: 15583/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VORBIS_fuzzer-5640157484548096

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 308771a73870863d1b4f630234fbb5bc7aec8252)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
61632a78db avutil/softfloat_ieee754: Fix odd bit position for exponent and sign in av_bits2sf_ieee754()
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 82e389d066923412dd945543418e8cb6c63d0997)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
f02de2f599 avcodec/apedec: Fix various integer overflows
Fixes: signed integer overflow: -538976267 * 31 cannot be represented in type 'int'
Fixes: left shift of 65312 by 16 places cannot be represented in type 'int'
Fixes: 15255/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5718831688843264
Fixes: 15547/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5691384901664768

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 240bf0e5960fca424e43b7ab1048897fdecabf26)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
14b5fa9e4e avcodec/apedec: Fix multiple integer overflows in predictor_update_filter()
Fixes: signed integer overflow: -829262115 + -1410750414 cannot be represented in type 'int'
Fixes: 15251/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5651742252859392

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 0af08cb803844b9eba4ff3e552c26452ec6fa7d2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
aee5c9494d avcodec/alsdec: fix undefined shift in multiply()
Fixes: left shift of negative value -6
Fixes: 15564/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5701655938465792

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 b880b3b236ddd00f85ea502b4c17a145fd26c790)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
882dee37cc avcodec/alsdec: Fix 2 integer overflows
Fixes: signed integer overflow: 1270564968 + 904828220 cannot be represented in type 'int'
Fixes: 15402/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5755426823471104

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 9cd0d94f59d05e7bfaae9690e827752e7717eda3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
6a7e27f675 avcodec/flicvideo: Make line_packets int
Fixes: signed integer overflow: -32768 * 196032 cannot be represented in type 'int'
Fixes: 15300/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FLIC_fuzzer-5733319519502336

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 54bd47f861e8cdc74aea816ebfbbaac25fefd0d1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
ee2abfe7d4 avcodec/dvbsubdec: Use ff_set_dimensions()
Fixes: signed integer overflow: 65313 * 65313 cannot be represented in type 'int'
Fixes: 15740/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DVBSUB_fuzzer-5641749164195840

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 5941b7f615b0c0cab0d8f8613b918de75d3c1222)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
dda10a2995 avcodec/ffwavesynth: Check if there is enough extradata before allocation
Fixes: OOM
Fixes: 15750/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5702090367696896

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 65bac4a7825e1f2bbf4112569ffa363cc1fdbce5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
8e2a5f951f avcodec/ffwavesynth: More correct cast in wavesynth_seek()
Fixes: signed integer overflow: 553590816 - -9223372036315799520 cannot be represented in type 'long'
Fixes: 15743/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5705835377852416

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 f4605770af712dd9d7b0136fe298f8aa52101011)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
d69822bd9a avcodec/ffwavesynth: Check sample rate before use
Fixes: division by zero
Fixes: 15725/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5641231956180992

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 c95857a4237d7a0c55378a44f51d2d809f3bc8f5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
cacf998071 avcodec/dnxhd_parser: Fix parser when input does not have nicely sized packets
Fixes: out of array access
Fixes: 15522/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DNXHD_fuzzer-5747756078989312

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 2d900d8fe0aaf9c984e024956eb537ecdfe2c949)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
01f9c1540a avcodec/dnxhd_parser: remove unneeded code
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1707dbdf49b22021b0845482806b881093534f2f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
b60455c715 avformat/utils: Check rfps_duration_sum for overflow
Fixes: signed integer overflow: 9151595917793558550 + 297519050751678697 cannot be represented in type 'long'
Fixes: 15496/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5722866475073536

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 5c46fdf305caac8bf2f270e69e60ae3d614df468)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
6c821c1dee avcodec/h264_refs: Also check reference in ff_h264_build_ref_list()
Fixes: out of array read
Fixes: 15409/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5758846959616000

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 7d3581e6bbec309ca0cc617c37cf6e87547764ef)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
6d3c6e8b96 avcodec/atrac9dec: Check conditions before apply_band_extension() to avoid out of array read in initialization of unused variables
Fixes: global-buffer-overflow
Fixes: 15247/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ATRAC9_fuzzer-5671602181636096

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 c5f265bb2468c3e0996329ada11b2792dd9bd1a2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
a6d1e2c40a avcodec/parser: Check next index validity in ff_combine_frame()
Fixes: out of array access
Fixes: 15522/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DNXHD_fuzzer-5747756078989312

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 15008db0fac6d97bb939fa7ef9e92d79bf1f7cb1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
5c2cbf36dd avcodec/ivi: Ask for samples with odd tiles
Fixes: Assertion failure
Fixes: 15422/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INDEO5_fuzzer-5676625481433088

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 a7e02cf3ad6f6eaae07fa68ecb93014e1dfd224e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
24ed399e57 avformat/xmv: Make bitrate 64bit
Fixes: signed integer overflow: 32 * 538976288 cannot be represented in type 'int'
Fixes: 15633/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5752273981931520

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 39a6a79bcbe3c2d239ed207a34c5fb3ca7bfdaf0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
fe36a3005b avcodec/pngdec: Check that previous_picture has same w/h/format
Fixes: out of array access
Fixes: 15540/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APNG_fuzzer-5684905029140480

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 18c808ffbed81ea580fe6ddd6524dd7bea3f8d0e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
ec806c3da8 avcodec/huffyuv: remove gray8a (the format is listed but not supported by the implementation)
Fixes: null pointer dereference
Fixes: 15464/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HYMT_fuzzer-5681391150301184

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 6aaa01afe4fb774d0767684aa00f075b0ee5fca6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Michael Niedermayer
41c9e6128c avcodec/mpc8: Fixes invalid shift in mpc8_decode_frame()
Fixes: left shift of negative value -456
Fixes: 15561/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPC8_fuzzer-5758130404720640

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Suggested-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1dbb67d39b21ed320edd2b1599b502518250cfd3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
James Zern
e8b0f20e51 avcodec/utils, avcodec_open2: close codec on failure
after a successful init if the function fails for another reason close
the codec without requiring FF_CODEC_CAP_INIT_CLEANUP which is meant to
cover init failures themselves. fixes a memory leak in those cases.

BUG=oss-fuzz:15529

Signed-off-by: James Zern <jzern@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b1febda061955c6f4bfbc1a75918b5e75e7d7f80)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
Cameron Cawley
7c1b403365 avformat/rpl: Replace strcpy with av_strlcpy
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 94d45a13c7e893538ca59bf6605a772c13f64f95)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-01-06 11:30:42 +01:00
James Almer
08d3cc2f1d avcodec/amfnec: allocate packets using av_new_packet()
This ensures they will be reference counted, as required by the AVCodec.receive_packet()
API.

Should fix ticket #8386.

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit fdf46b4a6b36dd8551adc29c455326b1a13b4acb)
2019-11-19 19:49:09 -03:00
Timo Rothenpieler
4df5dfabcc avcodec/nvenc: make sure newly allocated packets are refcounted
Fixes ticket 8383

Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
2019-11-17 01:47:49 +01:00
Jun Zhao
4fbeaaa220 lavc/mpeg4audio: add chan_config check to avoid indeterminate channels
add chan_config check to avoid indeterminate channels.

Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 333109f46961946d3c6fab05210a8d543697c91b)
2019-09-27 22:25:13 -03:00
James Almer
3ecbb180ef aformat/movenc: add missing padding to output track extradata
Fixes ticket #8183.

Tested-by: Thierry Foucu <tfoucu@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 58aa0ed8f10753ee90f4a4a1f4f3da803cf7c145)
2019-09-27 22:22:01 -03:00
Timo Rothenpieler
fe1064f779 avcodec/nvenc: add driver version info for latest SDKs
Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
2019-09-24 12:07:39 +02:00
James Almer
11cce24e04 avcodec/bsf: check that AVBSFInternal was allocated before dereferencing it
This can happen when av_bsf_free() is called on av_bsf_alloc() failure.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit d889ae33962e4ad2b24175418fe89d72ce712179)
2019-09-23 10:11:02 -03:00
Carl Eugen Hoyos
60094fc2f5 lavf/rawenc: Only accept the appropriate stream type for raw muxers.
This does not affect the rawvideo muxer.

Fixes ticket #7979.

(cherry picked from commit aef24efb0c1e65097ab77a4bf9264189bdf3ace3)
2019-09-06 16:26:57 -03:00