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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-02-04 06:08:26 +02:00

91641 Commits

Author SHA1 Message Date
Michael Niedermayer
bd61ed2c46 avcodec/adpcm: Clip predictor for APC
Fixes: signed integer overflow: -2147483648 - 13 cannot be represented in type 'int'
Fixes: 18893/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_IMA_APC_fuzzer-5630760442920960

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 9fe07908c3f67d59cf4db5668d61b34506189590)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:44 +02:00
Michael Niedermayer
d2b44d0eac avcodec/targa: Check colors vs. available space
Fixes: Timeout (37sec -> 52ms)
Fixes: 18892/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TARGA_fuzzer-5739537854889984

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 01593278cef06dbb4491d50d03b72198d2848adf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:44 +02:00
Michael Niedermayer
deedf60480 avcodec/dstdec: Use get_ur_golomb_jpegls()
Fixes: shift exponent -4 is negative
Fixes: 17793/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DST_fuzzer-5766088435957760
Fixes: 18989/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DST_fuzzer-5175008116867072

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 a76690c02b4fd12d7fac6f753af8bad72c82d55c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:44 +02:00
Michael Niedermayer
2ef00e96b4 avcodec/wmavoice: Check remaining input in parse_packet_header()
Fixes: Infinite loop
Fixes: 18914/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAVOICE_fuzzer-5731902946541568

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 19c41969b26d07519fff8182a0d3266cdb712078)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:44 +02:00
Michael Niedermayer
0f28c101a7 avcodec/wmalosslessdec: Fix 2 overflows in mclms
Fixes: signed integer overflow: 2038337026 + 109343477 cannot be represented in type 'int'
Fixes: 18886/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5673660505653248

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 92455c8c65c403ea696cb8c63d474d386d631bbd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:44 +02:00
Michael Niedermayer
204bdb39a0 avcodec/wmaprodec: Fixes integer overflow with 32bit samples
Fixes: left shift of 1 by 31 places cannot be represented in type 'int'
Fixes: 18860/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAPRO_fuzzer-5755223125786624

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 a9cc69c0d59057ea172a107e0308fdf5fd8fc04e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:44 +02:00
Michael Niedermayer
fc2fa12dba avcodec/adpcm: Fix invalid shift in xa_decode()
Fixes: left shift of negative value -1
Fixes: 18859/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_XA_fuzzer-5748474213040128

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 50db30b47d016fc4e7b47067545b15d22d4faddf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:44 +02:00
Michael Niedermayer
4d305cb9e8 avcodec/wmalosslessdec: Fix several integer issues
Fixes: shift exponent -1 is negative (and others)
Fixes: 18852/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5660855295541248

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 ec3fe67074ad0a6a3a817f6f42175ea63a98092b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:44 +02:00
Michael Niedermayer
e5b6df2eb2 avcodec/wmalosslessdec: Check that padding bits is not more than sample bits
Fixes: left shift of 1 by 31 places cannot be represented in type 'int'
Fixes: 18817/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5713317180211200

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 9d428265808255ad2fc60355fe641aaa4fd3dae4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:44 +02:00
Michael Niedermayer
c8376d43d2 avcodec/iff: Skip overflowing runs in decode_delta_d()
Fixes: Timeout (107sec - 75ms>
Fixes: 18812/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-6295585225441280

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 185f441ba26a2112725db1e8f218e54ac8068bbb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:44 +02:00
Michael Niedermayer
9872730c3c avcodec/pnm: Check that the header is not truncated
Fixes: Ticket8430

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c94cb8d9b21baeeecef962c72965dbedc4e0b0e1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:44 +02:00
Michael Niedermayer
762d17ddac avcodec/mp3_header_decompress_bsf: Check sample_rate_index
Fixes: out of array read
Fixes: 19309/clusterfuzz-testcase-minimized-ffmpeg_BSF_MP3_HEADER_DECOMPRESS_fuzzer-5651002950942720

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 f064c7c449f162a9011ad890f26ceeca26934d22)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:44 +02:00
Michael Niedermayer
2715341726 avformat/rmdec: Initialize and sanity check offset in ivr_read_header()
Fixes: signed integer overflow: -9223372036854775808 - 17 cannot be represented in type 'long'
Fixes: 18768/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5674385247830016

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 7e665e4a81e2e96eb45138a1dfa38617de2631a4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:44 +02:00
Michael Niedermayer
c61db4d654 avcodec/apedec: Fix 2 integer overflows
Fixes: signed integer overflow: 2119056926 - -134217728 cannot be represented in type 'int'
Fixes: 18728/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5747539563511808

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 6e15ba2d1f688c61759001839811b11903de9ce0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:44 +02:00
Andreas Rheinhardt
dc0c981850 avformat/id3v2: Fix double-free on error
ff_id3v2_parse_priv_dict() uses av_dict_set() with the flags
AV_DICT_DONT_STRDUP_KEY and AV_DICT_DONT_STRDUP_VAL. In this case both
key and value are freed on error (and owned by the destination
dictionary on success), so that freeing them again on error is a
double-free and therefore forbidden. But it nevertheless happened.

Fixes CID 1452489 and 1452421.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 67d4940a7795aa3afc8d1e624de33b030e0be51e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
046e053272 avcodec/wmaprodec: Set packet_loss when we error out on a sanity check
Fixes: left shift of negative value -34
Fixes: 18719/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAPRO_fuzzer-5642658173419520

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 a9cbd25d89dbdf72f7b616fdf672d7da36143cfe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
d4af9987cf avcodec/wmaprodec: Check offset
Fixes: index 33280 out of bounds for type 'float [32768]'
Fixes: 18718/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XMA2_fuzzer-5635373899710464

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 5473c7825ea627a115155313a56a907d67a0d0c1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
d35091e6fe avcodec/truemotion2: Fix 2 integer overflows in tm2_low_res_block()
Fixes: signed integer overflow: 1778647621 + 574372924 cannot be represented in type 'int'
Fixes: 18692/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-6248679635943424

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 93d52a181ec050d3a4fb68f526604d39cd006be5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
724e1f89b6 avcodec/wmaprodec: Check if the channel sum of all internal contexts match the external
Fixes: NULL pointer dereference
Fixes: 18689/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XMA1_fuzzer-5715114640015360

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 090ac5799751c6f52358da4e5201a3845760db93)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
027fd7079f avcodec/g729dec: require buf_size to be non 0
The 0 case was added with the support for multiple packets. It
appears unintended and causes extra complexity and out of array
accesses (though within padding)

No testcase

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f64be9da4c8b16071ec84056a61d1fc0d5d6728c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
17152cc43a avcodec/alac: Fix integer overflow in lpc_prediction() with sign
Fixes: signed integer overflow: -2147483648 * -1 cannot be represented in type 'int'
Fixes: 18643/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-5672182449700864

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 7686ba1f149a94c3bac235589de8aa8db92be4e5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
0d4c8bd5d3 avcodec/wmaprodec: Fix buflen computation in save_bits()
Fixes: Assertion failure
Fixes: 18630/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAPRO_fuzzer-5201588654440448

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 589cb44498b5e9683c95746255a2abd6d1e74f94)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
09afd4e02b avcodec/vc1_block: Fix integer overflow in AC rescaling in vc1_decode_i_block_adv()
Fixes: signed integer overflow: 50176 * 262144 cannot be represented in type 'int'
Fixes: 18629/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-5182370286403584

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 0e010e489b70c044a67c47083cf8eb03209ee89f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
74dd55bc0b avcodec/vmdaudio: Check chunk counts to avoid integer overflow
Fixes: signed integer overflow: 4 * 538976288 cannot be represented in type 'int'
Fixes: 18622/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VMDAUDIO_fuzzer-5092166174507008

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 47d963335eb2c36c0e6615d7971c762458e813dd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
e83b585160 avformat/mxfdec: Clear metadata_sets_count in mxf_read_close()
This avoids problems if the function is called twice

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 13816a1d085fdb6598ea6dc92ed3a1e6aff0cc1f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
03504fe94f avcodec/nuv: Use ff_set_dimensions()
Fixes: OOM
Fixes: 18956/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_NUV_fuzzer-5766505644163072

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 1ca978d6366f3c7d7df6b3d50566e892f8da605a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
8aef56ca7c avcodec/ffwavesynth: Fix integer overflow with pink_ts_cur/next
Fixes: signed integer overflow: 6175076100092079360 - -5034989061050195840 cannot be represented in type 'long'
Fixes: 18614/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5704508847423488

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 d82ab96e76bfec6568d059df7c8591dda4317c62)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
f1e69e4d31 avcodec/ralf: Fix integer overflows with the filter coefficient in decode_channel()
Fixes: signed integer overflow: 1145975808 - -1146173210 cannot be represented in type 'int'
Fixes: 18616/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5121296757424128

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 721624c2f67545989626ba4413f7b8dbd7dff678)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
64d4c90723 avcodec/g729dec: Use 64bit and clip in scalar product
The G729 reference decoder clips after each individual operation and keeps track if overflow
occurred (in the fixed point implementation), this here is
simpler and faster but not 1:1 the same what the reference does.

Non fuzzed samples which trigger any such overflow are welcome, so
the need and impact of different clipping solutions can be evaluated.

Fixes: signed integer overflow: 1271483721 + 1073676289 cannot be represented in type 'int'
Fixes: 18617/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ACELP_KELVIN_fuzzer-5137705679978496

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 bf9c4a12750e593d753011166b066efce208d9e0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
c6dfec88ab avcodec/mxpegdec: Check for multiple SOF
Fixes: Timeout (14sec -> 9ms)
Fixes: 18598/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MXPEG_fuzzer-5726095261564928

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 75b64e5aa36e7796a0460415a1f3fd7372029525)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
705a4bb98a avcodec/nuv: Move comptype check up
Fixes: Timeout (23sec -> 5ms)
Fixes: 18517/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_NUV_fuzzer-5753135536013312

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 1138cdecbe0164ab1f07768418e794fddfdc636d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
763427d44b avcodec/wmavoice: Fix integer overflow in synth_frame()
Fixes: left shift of negative value -3
Fixes: 18518/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAVOICE_fuzzer-6560514359951360

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 cf323f4d38f5756ecdb8fb4f72c80a8069da832e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
460dc59b28 avcodec/rawdec: Check bits_per_coded_sample more pedantically for 16bit cases
Fixes: shift exponent -14 is negative
Fixes: 18335/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RAWVIDEO_fuzzer-5723267192586240

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 5634e2052533fcce46f20c2720b0c8d5f55143ce)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
e24195a9cc avutil/lfg: Correct index increment type to avoid undefined behavior
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 18333/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_COMFORTNOISE_fuzzer-5668481831272448

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 6014bcf1b74e903f535461ade4aa5fb44dbf5d8b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Michael Niedermayer
38a57d81b3 avcodec/cngdec: Remove AV_CODEC_CAP_DELAY
As is the decoder will never stop, it will cause an infinite loop. The RFC seems only
to speak of non empty packets so endlessly generating noise from the last empty flush
packets seems wrong.

Fixes: infinite loop
Fixes: 18333/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_COMFORTNOISE_fuzzer-5668481831272448

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 327a968817a366c24d1513526258a3dbbcf888a7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:43 +02:00
Andreas Rheinhardt
3e082343c1 libavcodec/libvpxenc: Don't free user-provided AVPacket
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 26b45096906097a73ba587bf3b98dada4e795224)
2020-05-23 20:40:53 +02:00
Andreas Rheinhardt
7038c58d2a libavcodec/libmp3lame: Don't free user-provided AVPacket
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 7e6941e185649409f44fb5aa31207bd7b00d23cd)
2020-05-23 20:40:52 +02:00
Andreas Rheinhardt
2becd7548a avcodec/libopusenc: Don't free user-provided AVPacket
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit b803993b6d99423c8c1e01e7e206e3916a98d5d5)
2020-05-23 20:40:52 +02:00
James Almer
e4c8d7d5da avcodec/cbs_h265: fix writing extension_data bits
We only care about the right most bit.

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 38d1815cc65dd447de80760895ee008cfc9a0091)
2020-05-03 18:52:03 -03:00
Andreas Rheinhardt
293c389812 avformat/matroskadec: Fix default value of BlockAddID
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit dbc50f8a935043243232b2e01f3c012ab6d49928)
2020-04-03 21:44:01 +02:00
Michael Niedermayer
26e1d0d015 Changelog: update n4.0.5 2019-11-21 23:45:58 +01:00
Michael Niedermayer
70bf2bdf31 avcodec/iff: Move index use after check in decodeplane8()
Fixes: index 9 out of bounds for type 'const uint64_t [8][256]'
Fixes: 18409/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5767030560522240
Fixes: 18720/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5651995784642560

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 a1f8b36cc45406f66aac635a4db32d2a5cc29f43)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-21 23:44:49 +01:00
Michael Niedermayer
ed04ecd2d3 avcodec/atrac3: Check for huge block aligns
The largest documented frame size = block align is 1024 bytes
(https://wiki.multimedia.cx/index.php/ATRAC3)

Without a limit this can allocate arbitrary memory and trigger OOM
Fixes: OOM
Fixes: 18337/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ATRAC3_fuzzer-5763861478637568
Fixes: 18556/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ATRAC3AL_fuzzer-5646183334936576

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 f09151fff9c754fbc1d2560adf18b14957f8b181)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-21 23:44:21 +01:00
Michael Niedermayer
38cfa9d5f9 avcodec/ralf: use multiply instead of shift to avoid undefined behavior in decode_block()
Fixes: left shift of negative value -249
Fixes: 18566/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5649394561187840

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 1b7d02642b2096622cee6165fea1301bb9ad54ff)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-21 23:43:52 +01:00
Michael Niedermayer
aca0578002 avcodec/wmadec: Require previous exponents for reuse
Fixes: division by zero
Fixes: 18474/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAV2_fuzzer-5764986962182144

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 c54b9fc42fee613e2c4c0dae2052ff94cd15e254)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-21 23:43:13 +01:00
Michael Niedermayer
2850004c6d avcodec/vc1_block: Fix undefined behavior in ac prediction rescaling
The intermediates are required to fit in 12bit (8.1.3.9 Coefficient Scaling)
See SMPTE 421M-2006 and Amendment 1-2007

Fixes: signed integer overflow: -20691 * 262144 cannot be represented in type 'int'
Fixes: 18479/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1_fuzzer-5128912371187712

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 7fc1baf0ca83ef06014878290339a59735603959)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-21 23:42:51 +01:00
Michael Niedermayer
61620896a1 avcodec/qdm2: The smallest header seems to have 2 bytes so treat 1 as invalid
Fixes: Timeout (217sec -> 2ms)
Fixes: 18488/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDM2_fuzzer-5708293662310400

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 e36ccb5048f052b8b2ef08281cb607fa53a7b7e4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-21 23:42:35 +01:00
Michael Niedermayer
6b430f066b avcodec/apedec: Fixes integer overflow of res+*data in do_apply_filter()
Fixes: signed integer overflow: 7400 + 2147482786 cannot be represented in type 'int'
Fixes: 18405/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5708834760294400

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 dc3f327e7403a34c88a900f0b8de55b4afd7cf6c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-21 23:41:47 +01:00
Michael Niedermayer
17d5c21b3d avcodec/sonic: Fix integer overflow in predictor_calc_error()
Fixes: signed integer overflow: 5 * -1094995529 cannot be represented in type 'int'
Fixes: 18346/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SONIC_fuzzer-5709623893426176

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 c8c17b8cef77dc052e8845e5fd86daf2983fd7dd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-21 23:40:45 +01:00
Michael Niedermayer
a6eb5e1f70 avformat/mp3dec: Check that the frame fits within the probe buffer
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e9a335150a62bb377a26ce096187b4476145d02b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-11-21 23:27:23 +01:00