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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-02-09 14:14:39 +02:00

75934 Commits

Author SHA1 Message Date
Michael Niedermayer
acfdaa463e 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
6fdc61b8f6 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
f41da2bd5f 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
ce4cb475a3 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
ea0734e3f0 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
4c3a7aaea8 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
832d9accfc 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
17ed3c809d 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
674929cd46 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
f98794c73a 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
781dcd5db6 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
4c2bb473d3 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
6bbef93883 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
3d4e0858d6 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
931f837731 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
854835966b 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
a89f074d89 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
888bdb127b 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
fc097bf1cd 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
c10babcadc 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>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
4e9e1ab815 avcodec/jpeg2000dec: Skip init for component in CPRL if nothing is to be done
Fixes: assertion failure
Fixes: 7949/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-4819602782552064

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 a96c131eb53b00de154f4773d96a3b323ea3daed)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
02f4e846d2 avcodec/g2meet: Change order of operations to avoid undefined behavior
Fixes: signed integer overflow: 65280 * 196032 cannot be represented in type 'int'
Fixes: 7279/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-5977332473921536

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 0a4745145840d97619c424961c1b5c625dbf516c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
8e3918f1db avcodec/flac_parser: Fix infinite loop
Fixes: crbug/827204

Reported-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 15a2e35e9e74bba5a27e39c26da5be2361f27945)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
f20c62538b avcodec/wavpack: Fix integer overflow in DEC_MED() / INC_MED()
Fixes: runtime error: signed integer overflow: 2147483637 + 128 cannot be represented in type 'int'
Fixes: 6701/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVPACK_fuzzer-5358324934508544

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 6e95d80e6fae978f8a44afc24b0c5097a062719f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:56 +02:00
Michael Niedermayer
9a7a3b2262 avcodec/error_resilience: Fix integer overflow in filter181()
Fixes: runtime error: signed integer overflow: 197710 * 10923 cannot be represented in type 'int'
Fixes: 7010/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-5667127596941312

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 1c97035e3b1677d6f0c5b6161ebfeffcf7bb638d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Michael Niedermayer
1f057b23c7 avcodec/h263dec: Check slice_ret in mspeg4 slice loop
Fixes infinite loop
Fixes: 6858/clusterfuzz-testcase-ffmpeg_AV_CODEC_ID_MSMPEG4V3_fuzzer-4681563766784000
Fixes: 6890/clusterfuzz-testcase-ffmpeg_AV_CODEC_ID_WMV1_fuzzer-4756103142309888

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 de841fbea7655b74a9663001e01008a86c88779a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Michael Niedermayer
6f68d2ca0b avcodec/elsdec: Fix memleaks
Fixes: 6798/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-5135899701542912

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 0bd0401336df4e4ca7f3da6a7e226904fd7d5add)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Michael Niedermayer
60e7be58d9 avcodec/vc1_block: simplify ac_val computation
also fixes: runtime error: index 1456 out of bounds for type 'int16_t [16]'

Found-by: durandal_1707
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d06b01fc2d4f5e031d45f9460d1eea610d23d6c5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Michael Niedermayer
8eee712737 avcodec/ffv1enc: Check that the crc + version combination is supported
The crc flag is only stored since version 3 thus before this crcs do not
work. We increase the version as needed same as we do with pix_fmts

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d9706f79c17a33bf97e51a7d6ab211ce83a463ee)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Stephan Holljes
1877282323 lavf/http.c: Free allocated client URLContext in case of error.
Signed-off-by: Stephan Holljes <klaxa1337@googlemail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7b6b8c92652d6683d97515352e4a9a4147b7da7c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Michael Niedermayer
c7329c733c avcodec/dsicinvideo: Fail if there is only a small fraction of the data available that comprises a full frame
Fixes: Timeout
Fixes: 6306/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DSICINVIDEO_fuzzer-5079253549842432

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 5549488bbf3a23c0fb9833cefc6354f97055dd96)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Michael Niedermayer
a868e804d9 avcodec/dsicinvideo: Propagate errors from cin_decode_rle()
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 942217b153a9bff2d17463957abd772fcd72b400)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Michael Niedermayer
79cc326bab avcodec/dfa: Check dimension against maximum
The headers from where the dimensions are read in actual files
are limited to 16bit per component.

Fixes: Timeout
Fixes: 6305/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DFA_fuzzer-4824270749302784

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 9d5a4fcfbb51edc871bdb1c67a88223cbfb1c0e4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Michael Niedermayer
bd7231cad1 avcodec/cinepak: Skip empty frames
Speeds up decoding from 3 to 0.1 seconds for 6302/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CINEPAK_fuzzer-5626371985375232
Fixes: Timeout

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 9033920bec9ccf17de205fc17c2b330906b200f5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Michael Niedermayer
173e04ee85 avcodec/cinepak: move some checks prior to frame allocation
Speeds up decoding from 8 to 3 seconds for 6302/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CINEPAK_fuzzer-5626371985375232
Fixes: Timeout

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 2324ef1ff32e5effd6f295bca80580ae4816be0b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Rahul Chaudhry
e5b29c60f0 swresample/arm: remove unintentional relocation.
Branch to global symbol results in reference to PLT, and when compiling
for THUMB-2 - in a R_ARM_THM_JUMP19 relocation. Some linkers don't
support this relocation (ld.gold), while others can end up truncating
the relocation to fit (ld.bfd).

Convert this branch through PLT into a direct branch that the assembler
can resolve locally.

See https://github.com/android-ndk/ndk/issues/337 for background.

The current workaround is to disable neon during gstreamer build,
which is not optimal and can be reverted after this patch:
41556c4157

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b22db4f465c9adb2cf1489e04f7b65ef6bb55b8b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Michael Niedermayer
f337adcd28 doc/APIchanges: Fix typos in hashes
Thanks-to: Moritz Barsnick <barsnick@gmx.net> for finding the correct ones

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ec8a5262b03f85158d722dbc8b8f30cb6bd67e0f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Michael Niedermayer
25ecdac8be avformat/utils: Check cur_dts in update_initial_timestamps() more
Fixes: runtime error: signed integer overflow: 18133149658382192 - -9223090561878065151 cannot be represented in type 'long long'
Fixes: crbug 831552

Reported-by: Matt Wolenetz <wolenetz@google.com>
Reviewed-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 37d46dc21d708192b12aa13617ebe6a117b07363)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Michael Niedermayer
9af1e014f7 avcodec/utils: Enforce minimum width also for VP5/6
Fixes: out of array access
Fixes: poc_0411

Found-by: GwanYeong Kim <gy741.kim@gmail.com>
Tested-by: GwanYeong Kim <gy741.kim@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 544324827e0131e43af1a54fb790a48a25fd7ba4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Michael Niedermayer
6186bfad38 avcodec/truemotion2: Propagate out of bounds error from GET_TOK()
Fixes: Timeout
Fixes: 6389/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5695918121680896

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 f6304af2341d0cee51c2116766622e3ac567b7a0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Michael Niedermayer
23dcc9ff7c avcodec/mjpegdec: Check input buffer size.
Fixes: Timeout
Fixes: 6381/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEGLS_fuzzer-5665032743419904

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 8d381b57fd9d17fb5c3a851ca46c738b3afc33a2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Matt Wolenetz
54bde32f37 lavc/libopusdec: Allow avcodec_open2 to call .close
If there is a decoder initialization failure detected in avcodec_open2
after .init is called, allow graceful decoder .close to prevent leaking
libopus decoder allocations.

BUG=828526

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e43e97f0e0f0596b56ceb2f887fe7414f202f081)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Michael Niedermayer
07cd51f10e avcodec/movtextdec: Check style_start/end
Limits based on 3GPP TS 26.245 V14.0.0
Fixes: Timeout
Fixes: 6377/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MOVTEXT_fuzzer-5175929115508736

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Philip Langdale <philipl@overt.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 249aca8f98ff7fb09c12ea68e23c862c62203b95)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Michael Niedermayer
01f124da7f avcodec/aacsbr_fixed: Fix integer overflow in sbr_hf_assemble()
Fixes: runtime error: signed integer overflow: 2052929346 + 204817098 cannot be represented in type 'int'

This was missed in b1bef755f617af9685b592d866b3eb7f3c4b02b1
Fixes: 5275/clusterfuzz-testcase-minimized-5367635958038528

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 c837918f50a7bbd6150afd340857ea43fe4717c7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:52:55 +02:00
Hendrik Schreiber
fe4e35e202 swresample/swresample: Fix for seg fault in swr_convert_internal() -> sum2_float during dithering.
Removed +len1 in call to s->mix_2_1_f() as I found no logical explanation for it. After removal, problem was gone.

Signed-off-by: Hendrik Schreiber <hs@tagtraum.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 647fd4b8292e3bfae30b1086aa842a5ee47ee868)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:18:52 +02:00
Michael Niedermayer
d3d5382dad avcodec/aacdec_fixed: Fix integer overflow in apply_independent_coupling_fixed()
I was not able to reproduce this, this fix is based on just the fuzzer log.
Fixes: 4959/clusterfuzz-testcase-minimized-6035350934781952

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 197a4e8feed45b2e5868760240e83636818f32a9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:18:52 +02:00
Michael Niedermayer
704bebc91f avcodec/cscd: Error out when LZ* decompression fails
Fixes: Timeout
Fixes: 6304/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CSCD_fuzzer-5754772461191168

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 d52be5d4e91871a22dac70af3e0ab429e95a2d10)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:18:52 +02:00
heimdallr
eb86546109 avcodec/imgconvert: Fix loss mask bug in avcodec_find_best_pix_fmt_of_list()
example:

AVPixelFormat pixFmts[] = { AV_PIX_FMT_RGB24, AV_PIX_FMT_RGBA };
int loss = 0;
AVPixelFormat best = avcodec_find_best_pix_fmt_of_list(pixFmts, AV_PIX_FMT_BGRA, 1, &loss);

best is AV_PIX_FMT_RGB24. But AV_PIX_FMT_RGBA is better.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 354b26a3945eadd4ed8fcd801dfefad2566241de)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:18:52 +02:00
Michael Niedermayer
367d459f78 avcodec/wmalosslessdec: Fix null pointer dereference in decode_frame()
Fixes: 2018_03_23_poc.wav
Found-by: GwanYeong Kim <gy741.kim@gmail.com>

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ea15915b2dc5aaa80c91879fbd183475a7e66e54)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:18:52 +02:00
Michael Niedermayer
e1aec9bb8d avcodec/tableprint_vlc: Fix build failure with --enable-hardcoded-tables
Found-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5c75438b893539dd17998c489fb4c540fc5a6e48)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-07-10 01:18:52 +02:00