85783 Commits

Author SHA1 Message Date
Michael Niedermayer
78b1fbca34 avformat/movenc: Check that frame_types other than EAC3_FRAME_TYPE_INDEPENDENT have a supported substream id
Fixes: out of array access
Fixes: ffmpeg_bof_1.avi

Found-by: Thuan Pham, Marcel Böhme, Andrew Santosa and Alexandru Razvan Caciulescu with AFLSmart
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ed22dc22216f74c75ee7901f82649e1ff725ba50)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
68fb93be04 avcodec/vp8_parser: Do not leave data/size uninitialized
This is identical to what the VP9 parser does

Fixes: 9215/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LIBVPX_VP8_fuzzer-5768227253649408
Fixes: out of memory access

This may also fix oss fuzz issue 9212

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 284dde24dab30225ed3e233b0e5908d67d7e13e7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
4d77a4a54d avformat/mms: Add missing chunksize check
Fixes: out of array read
Fixes: mms-crash-01b6c5d85f9d9f40f4e879896103e9f5b222816a

Found-by: Paul Ch <paulcher@icloud.com>
1st hunk by Paul Ch <paulcher@icloud.com>
Tested-by: Paul Ch <paulcher@icloud.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cced03dd667a5df6df8fd40d8de0bff477ee02e8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
9bb3047060 avformat/pva: Check for EOF before retrying in read_part_of_packet()
Fixes: Infinite loop
Fixes: pva-4b1835dbc2027bf3c567005dcc78e85199240d06

Found-by: Paul Ch <paulcher@icloud.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9807d3976be0e92e4ece3b4b1701be894cd7c2e1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
34654d41d4 avformat/rmdec: Do not pass mime type in rm_read_multi() to ff_rm_read_mdpr_codecdata()
Fixes: use after free()
Fixes: rmdec-crash-ffe85b4cab1597d1cfea6955705e53f1f5c8a362

Found-by: Paul Ch <paulcher@icloud.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a7e032a277452366771951e29fd0bf2bd5c029f0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
c43f5e0dce avcodec/indeo4: Check for end of bitstream in decode_mb_info()
Fixes: Timeout
Fixes: 8776/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INDEO4_fuzzer-5361788798369792

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 267ba2aa96354c5b6a1ea89b2943fbd7a4893862)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
01a694d482 avcodec/shorten: Fix undefined addition in shorten_decode_frame()
Fixes: signed integer overflow: 1139785606 + 1454196085 cannot be represented in type 'int'
Fixes: 8937/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-6202943597445120

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 3b10bb8772c76177cc47b8d15a6970f19dd11039)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
739e3ff475 avcodec/shorten: Fix undefined integer overflow
Fixes: signed integer overflow: 8454144 * 256 cannot be represented in type 'int'
Fixes: 8788/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5728205041303552

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 70832333bba3b915040f415548518e136b44280e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
bba9bb735a avcodec/jpeg2000dec: Fixes invalid shifts in jpeg2000_decode_packets_po_iteration()
Fixes: shift exponent 47 is too large for 32-bit type 'int'
Fixes: 9163/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5661750182543360

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 652d7c6348f96181fa69f8e2afb7b27a14c0a88a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
0bc74532a9 avcodec/jpeg2000dec: Check that there are enough bytes for all tiles
Fixes: OOM
Fixes: 8781/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5810709081358336

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 0898a3d9909960324e27d3a7a4f48c4effbb654a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
672ada0f17 avformat/movenc: Do not pass AVCodecParameters in avpriv_request_sample
Fixes: out of array read
Fixes: ffmpeg_crash_8.avi

Found-by: Thuan Pham, Marcel Böhme, Andrew Santosa and Alexandru Razvan Caciulescu with AFLSmart
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 95556e27e2c1d56d9e18f5db34d6f756f3011148)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
228c05ee54 avcodec/escape124: Fix spelling errors in comment
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f59c4e43915ed0528e2789f27ddb1635b59779df)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
eedde18f1a avcodec/ra144: Fix integer overflow in ff_eval_refl()
Fixes: signed integer overflow: -4096 * -524288 cannot be represented in type 'int'
Fixes: 8650/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RA_144_fuzzer-5734816036159488

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 b31189881a4cf54b0057ecf3eab917ad56eecfea)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
3db270a078 avcodec/cscd: Check output buffer size for lzo.
Fixes: Timeout
Fixes: 8665/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CSCD_fuzzer-5768442610188288

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
(cherry picked from commit 78167b498f53c36c31105a2bf11e90b03637598f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
b0c14b02b0 avcodec/escape124: Check buf_size against num_superblocks
Fixes: Timeout
Fixes: 8722/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ESCAPE124_fuzzer-4843268402577408

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 6677c98626489edfdb4b49b4f66ca91867768a9f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
76c4838a11 avcodec/h264_parser: Reduce needed history for parsing mb index
This fixes a bug/regression with very small packets
Fixes: output_file

Regression since: 0782fb6bcb32fe3ab956a99af4cc472ff81da0c2

Reported-by: Thierry Foucu <tfoucu@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d25c945247979a88fac6bb3b7a26370262b96ef1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:16:13 +02:00
Michael Niedermayer
4fb69a60f6 avcodec/mjpegdec: Check for end of bitstream in ljpeg_decode_rgb_scan()
Fixes: Timeout
Fixes: 8648/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-5108395525799936

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 540e8c2d641bf90fc28e47e170f8c0b1962197e9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
516f8dbc58 avcodec/aacdec_fixed: Fix undefined integer overflow in apply_independent_coupling_fixed()
Fixes: signed integer overflow: 1195517 * 2048 cannot be represented in type 'int'
Fixes: 8636/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-4695836326887424

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 8bd514d9343746566b123275f8b6d0e9c11ec2b0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
c66723ec49 avcodec/dirac_dwt_template: Fix undefined behavior in interleave()
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 8697/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5197148130902016

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 575d8ca0260fabac29e5b3541154633569ce2b5d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
96cf8a9cf9 avutil/common: Fix undefined behavior in av_clip_uintp2_c()
Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself
Fixes: 8521/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5639024952737792

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 aa41d322be71106ce147445f2b42bb763f1eff86)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
b5d51d23a0 fftools/ffmpeg: Fallback to duration if sample rate is unavailable
Regression since: af1761f7
Fixes: Division by 0
Fixes: ffmpeg_crash_1

Found-by: Thuan Pham, Marcel Böhme, Andrew Santosa and Alexandru Razvan Caciulescu with AFLSmart
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 16d8b13b3b26c19d7f8856e039fe6662d96b4ff3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
98f10ca12c avformat/mov: Only set pkt->duration to non negative values
Reviewed-by: Sasi Inguva <isasi@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8176799f31b23849382623f0f9001acc5edf7c76)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
f4f9bd655d avcodec/h264_ps: Move MAX_LOG2_MAX_FRAME_NUM to header so it can be used in h264_sei
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b796c5ae9299c795cba0d16ce1d8eef05488953b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
5f771a74b2 avcodec/h264_mc_template: Only prefetch motion if the list is used.
Fixes: index 59 out of bounds for type 'H264Ref [48]'
Fixes: 8232/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5703295145345024

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 8b55591757244d8244a2be369c2b54c9ae79b02a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
a16a4fefb6 avcodec/xwddec: Use ff_set_dimensions()
Fixes: OOM
Fixes: 8178/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XWD_fuzzer-4844793342459904

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 c2852e4e00de4073ff7de82d41cb3368702686e8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
719931c036 avcodec/wavpack: Fix overflow in adding tail
Fixes: signed integer overflow: 2146907204 + 26846088 cannot be represented in type 'int'
Fixes: 8105/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVPACK_fuzzer-6233036682166272

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 d13379fb79708f550460dd6d698023bf26f968d5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
3f66c3386c avcodec/shorten: Fix multiple integer overflows
Fixes: signed integer overflow: 3 * 1006632960 cannot be represented in type 'int'
Fixes: 8278/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5692857166856192

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 f2abd36b3863188894fd21964c662b6c17268bfb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
c2d16aafbb avcodec/shorten: Fix undefined shift in fix_bitshift()
Fixes: left shift of negative value -9
Fixes: 8571/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5715966875926528

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 606c7148231404544005c0827b83c165dd6b39a8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
b7134d7fb6 avcodec/shorten: Fix a negative left shift in shorten_decode_frame()
Fixes: left shift of negative value -9057
Fixes: 8527/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5666853924896768

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 a711efe922b2bf1d363bdf7f8357656c3e35021e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
f51163b166 avcodec/shorten: Sanity check nmeans
Fixes: OOM
Fixes: 8195/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5179785826271232

The reference software appears to use longs for 32bits and it uses int for nmeans
hinting that the intended maximum size was not 32bit.

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 d91a0b503d7a886587281bc1ee42476aa5e89f85)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
8da3d69163 avcodec/shorten: Check non COMM chunk len before skip in decode_aiff_header()
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 8024/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5109204648984576

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 424a81df107b63a166894a4aee3d27702ae3f459)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
bb6d47cf35 avcodec/mjpegdec: Fix integer overflow in ljpeg_decode_rgb_scan()
Fixes: signed integer overflow: 32768 + 2147450880 cannot be represented in type 'int'
Fixes: 7885/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THP_fuzzer-5298834394578944

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 936f4a2c2e14ec753e8835f2e820b4cd9aec9a56)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
0f1e6771d0 avcodec/truemotion2: Fix overflow in tm2_apply_deltas()
Fixes: signed integer overflow: 1077952576 + 1077952576 cannot be represented in type 'int'
Fixes: 7712/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5056281753681920

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 79c6047c3668c639f717b3a7001a34dddba0ede2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
412872e6cb avcodec/opus_silk: Change silk_lsf2lpc() slightly toward silk/NLSF2A.c
Fixes: runtime error: signed integer overflow: -1440457022 - 785819492 cannot be represented in type 'int'
Fixes: 7700/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OPUS_fuzzer-6595838684954624

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 e7dda51150b73e5fbdccf4c2d3a72e356980fba3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
6577ae7119 avcodec/amrwbdec: Fix division by 0 in find_hb_gain()
This restructures the code slightly toward D_UTIL_dec_synthesis()

Fixes: 7420/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AMRWB_fuzzer-6577305112543232

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 dce80a4b47efaba97707bda781a9ee57f5a26974)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
9ecb1998b0 avformat/mov: replace a value error by clipping into valid range in mov_read_stsc()
Fixes: #7165

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit fe84f70819d6f5aab3c4823290e0d32b99d6de78)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
aa50d67cc7 avformat/mov: Break out early if chunk_count is 0 in mov_build_index()
Without this some operations might overflow (undefined behavior)
even though the index adding loop would never execute

No testcase known

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 56e76bd0579cc7f7b28860885d9e569a39daf41b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
05e253684e avcodec/fic: Avoid some magic numbers related to cursors
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c6a11714c4b1227be62cbc36651ccfc415e8e623)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
3be0bcbef6 avcodec/g2meet: ask for sample with overflowing RGB
Suggested-by: Tomas Härdin <tjoppen@acc.umu.se>

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ab834b8f36c8157b7015e849405cbf6ae21e672f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
6d8859e234 avcodec/aacdec_fixed: use 64bit to avoid overflow in rounding in apply_dependent_coupling_fixed()
Fixes: signed integer overflow: -2141499320 + -14469590 cannot be represented in type 'int'
Fixes: 7351/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-6351214791884800

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 90475db97e2e5931d295df6ab86519fa2e14d259)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
e95a0e261f oavcodec/aacpsdsp_template: Use unsigned for hs0X to prevent undefined behavior
Fixes: signed integer overflow: 1073741842 + 1784008138 cannot be represented in type 'int'
Fixes: 6792/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5677589835284480

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 62cb6fadf33de6db386deac92853d4b95c930015)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
45ce622f90 avcodec/g723_1dec: Clip bits2 in both directions
Fixes: shift exponent 33 is too large for 32-bit type 'int'
Fixes: 6743/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G723_1_fuzzer-5823772687859712

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 53f241218d9eac368e2e1c58bcca9bbdf10fd0e1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
d1bac7f777 avcodec/mpeg4videoenc: Use 64 bit for times in mpeg4_encode_gop_header()
Fixes truncation
Fixes Assertion n <= 31 && value < (1U << n) failed at libavcodec/put_bits.h:169
Fixes: ffmpeg_crash_2.avi

Found-by: Thuan Pham <thuanpv@comp.nus.edu.sg>, Marcel Böhme, Andrew Santosa and Alexandru RazvanCaciulescu with AFLSmart

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e1182fac1afba92a4975917823a5f644bee7e6e8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
fdab123c03 avcodec/mlpdec: Only change noise_type if the related fields are valid
Fixes: inconsistency
Fixes:runtime error: index 8 out of bounds for type 'int32_t [8]'
Fixes: 6686/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEHD_fuzzer-5191383498358784

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 63c4a4b0d692bc86142790276358ba35129f2290)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
b0207c5b2a indeo4: Decode all or nothing of a band header.
This avoids inconsistent value combinations.
Alternatively it would be possible to add more checks and careful use of
temporary variables, but my try of this quickly seemed to become
a rather large change.
The disadvantage of this, is that the struct is copied back and forth.

Fixes: index 6 out of bounds for type 'const uint16_t [5][16]'
Fixes: 6557/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INDEO4_fuzzer-4787296550256640

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 10c8521265da86118597336c5589e26de377a374)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
c48ac14c06 avformat/mov: Only fail for STCO/STSC contradictions if both exist
Fixes regression with playback of GF9720Repeal20the20Eighth20with20Helen20Linehan.m4a
See: crbug 822666

Found-by: "Mattias Wadman <mattias.wadman@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2c2d689c56646cce64d02a3b75f61c12c5589260)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
8283586dce avcodec/dirac_dwt: Fix integer overflow in COMPOSE_DD97iH0 / COMPOSE_DD137iL0
Fixes: negation of -2147483648 cannot be represented in type 'int32_t' (aka 'int');
Fixes: 6500/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-4523620274536448

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 cb944fc7f1327443a0cf449afbce5a3e8712f90f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
38fd80c656 avcodec/fic: Check available input space for cursor
Fixes: out of array read
Fixes: 6546/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FIC_fuzzer-6317064647081984

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 cb2f7ea96b4f6e03ebf0c0563677745fc65f148e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
d48738bd67 avcodec/g2meet: Check RGB upper limit
Fixes: runtime error: left shift of 1876744317 by 16 places cannot be represented in type 'int'
Fixes: 6799/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-5115274731716608

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 4dd2c8b9ea46b4e008a8bfc2077834428cd5a17c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:27 +02:00
Michael Niedermayer
716ab0f2f4 avcodec/jpeg2000dec: Fix undefined shift in the jpeg2000_decode_packets_po_iteration() CPRL case
Fixes: shift exponent 47 is too large for 32-bit type 'int'
Fixes: 7955/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-6016721977606144

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 652ba72ed3124f201f98eea9bafb2232b535f549)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-16 19:06:26 +02:00