83481 Commits

Author SHA1 Message Date
Michael Niedermayer
4db34eb330 avcodec/vp9dsp_template: Fix integer overflow(s) in iadst16_1d()
Fixes: signed integer overflow: 1080285923 - -1130879337 cannot be represented in type 'int'
Fixes: 22002/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VP9_fuzzer-6260237310099456

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 071e2937236945c168ab99d3e3b01539194466dd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
8c4fcbd4f9 avcodec/h264dec: Disable forced small_padding on flag2 fast
Fixes: 20978/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5746381832847360

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
4ce82f27c7 avformat/oggparsevorbis: Error out on double init of vp
Fixes: memleak
Fixes: 19949/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5743636058210304

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 2a3bbc0086aa608cc0465dd14901178d41cfe113)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
e79c52ad01 avcodec/pnmdec: Use unsigned for maxval rescaling
Fixes: signed integer overflow: 65535 * 55335 cannot be represented in type 'int'
Fixes: 21955/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PGMYUV_fuzzer-5669206981083136

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 49459aca47d4803b2188fbf12b758bd2b01e91d7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
340ac128a2 avcodec/ivi: Clear got_p_frame before decoding a new frame using it
Fixes: assertion failure
Fixes: 21666/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INDEO4_fuzzer-5706468994318336

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 1d633e6a0a61118c9b2d1785d96bdebaa8c38592)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
83ce829db6 avcodec/dsddec: Check channels
Fixes: division by zero
Fixes: 21677/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DSD_MSBF_fuzzer-5712547983654912
Fixes: 21751/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DSD_LSBF_fuzzer-5197097180856320

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 2570a8777e7095358b10f679d35641e114a2ab33)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
71d7c4fbac avcodec/xvididct: Fix integer overflow in idct_row()
Fixes: signed integer overflow: -1238335488 + -1003634688 cannot be represented in type 'int'
Fixes: 21649/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-5112005765890048

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 620236e4d2ac46821911b99fa4551868675d4ed9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
015c164cd4 avcodec/wmalosslessdec: Fix integer overflows in revert_inter_ch_decorr()
Fixes: signed integer overflow: -717241856 + -1434459904 cannot be represented in type 'int'
Fixes: 21405/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5677143666458624

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 e9a4c4fe9918220be492a4a9d74c2293fd706be3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
996ca74081 avformat/mpegenc: Fix integer overflow with AV_NOPTS_VALUE
Fixes: signed integer overflow: -9223372036854775808 - 45000 cannot be represented in type 'long'
Fixes: ticket8187

Found-by: Suhwan
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9874815b1aadadd7fd19aa6aabb7d9193f2f43d5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
35a451d490 avformat/swfenc: Fix integer overflow in frame rate handling
Fixes: signed integer overflow: 30000299 * 256 cannot be represented in type 'int'
Fixes: ticket8184

Found-by: Suhwan
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 31f956acadd994b8c4e22b714aaffee0f527c827)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
d7e9a72060 avformat/aadec: Check toc_size to contain the minimum to demuxer uses
Fixes: out of array access
Fixes: stack-buffer-overflow-READ-0x0831fff1

Found-by: GalyCannon <galycannon@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit daa2482871dffa9af12fa6d874a3d2dedd73f42e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Dale Curtis
e26d6f68bb avformat/mov: Don't allow negative sample sizes.
Signed-off-by: Dale Curtis <dalecurtis@chromium.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2d8d554f15a7a27cfeca81467cc9341a86f784e2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Vitaly Buka
fa10782c02 mpeg4videoenc: Don't crash with -fsanitize=bounds
Also the patch makes this code consistent with mpeg4videodec.c

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f163d30de2090a7275f1fb8ad69258576f12c1a2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
74eb8e83e6 avcodec/binkaudio: Fix 2Ghz sample_rate
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 19950/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BINKAUDIO_DCT_fuzzer-5765514337189888

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Suggested-by: Paul
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f603d10b1e6bb2fbf4dcccc43d3ea2fb911b36ba)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
ecea2efff3 avcodec/adpcm: Fix integer overflow in ADPCM THP
The reference (thp.txt) uses floats so wrap around would seem incorrect.

Fixes: signed integer overflow: 1073741824 + 1073741824 cannot be represented in type 'int'
Fixes: 20658/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_THP_fuzzer-5646302555930624

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 b12b05374f7025167e2c43449ceb8ba3f0a6083f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
a63a292ac8 avcodec/ralf: Check num_blocks before use
Fixes: out of array access
Fixes: 20659/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5739471895265280

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 f0c0471075fe52ed31c46e038df4280aef5b67a1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
d88e50ed61 avcodec/iff: Test video_size being non zero
Fixes: Out of array access
Fixes: 20659/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5658548592967680
Fixes: 20659/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5723561177382912

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 a035fd88ae7341a05c01f3b393921933e4ea9665)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
44710253f4 avcodec/utvideodec: Fix integer overflow in decode_plane()
Fixes: signed integer overflow: 2147483594 + 142 cannot be represented in type 'int'
Fixes: 20492/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_UTVIDEO_fuzzer-5658568101724160

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 876cfa67f37e944b0f42cb67b2de4e2e06f52e82)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
b1046b3b14 avcodec/ttadsp: Fix several integer overflows in tta_filter_process_c()
Fixes: signed integer overflow: 1931744255 + 252497024 cannot be represented in type 'int'
Fixes: 20492/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TTA_fuzzer-5763348114440192

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 8627885172cc54db95f86529d134308d4d095054)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
b87281969a avcodec/ralf: Fix integer overflow in decode_block()
Fixes: signed integer overflow: 289082077 - -2003141111 cannot be represented in type 'int'
Fixes: 20492/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5196077752123392

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 0c4330847c104fcf3ef929c1acee33b5b34c20db)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
3cf22dc460 avcodec/nuv: widen buf_size type
Fixes: signed integer overflow: 65312 * 65312 cannot be represented in type 'int'
Fixes: 20492/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_NUV_fuzzer-5740176118906880

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 1ac106bf5625de6aec31a34319298032e988f349)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
4a41de80ed avcodec/iff: Fix several integer overflows
Fixes: negation of -2147483648 cannot be represented in type 'int32_t' (aka 'int'); cast to an unsigned type to negate this value to itself
Fixes: signed integer overflow: -2147483648 - 1 cannot be represented in type 'int32_t' (aka 'int')
Fixes: 20492/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5764066459254784

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 7a92147f87129851c1cc2c15f4ba714b8cf23f71)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
6ce730d39e avcodec/g729postfilter: Clip gain before scaling with AGC_FAC1
The fixed point integer reference specifies the multiplication used
to have 16bit input and clips so we need to clip the input
The floating point implementation does not seem to do that.

Fixes: signed integer overflow: 6317568 * 410 cannot be represented in type 'int'
Fixes: 20492/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G729_fuzzer-5700189272932352

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 82d4c7b95ed98d38aa834ef5a8fb1d2ef3901698)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
4cbda397c3 avcodec/alac: Fix integer overflow with 24/20bps samples
Fixes: signed integer overflow: 1020048 * 4096 cannot be represented in type 'int'
Fixes: 20492/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-5753877751660544

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 22e51e95ac97864b3d7b21124eaf8fcce147f61e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
efe50a9ce1 avcodec/dstdec: Check sample rate
Fixes: out of array access
Fixes: 20659/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DST_fuzzer-5735812071424000

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 5727b1f13f36c4db30d5d0de51640f740edf01e8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
5be59bb8a1 avformat/thp: Require a video stream
The demuxer code assumes the existence of a video stream

Fixes: assertion failure
Fixes: 21512/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5699660783288320

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 97c78caf3e8f7ec4df3d3123b5e8d0e7541319e6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
3153dae379 avformat/mpeg: Decrease score by 1 for files with very little valid data
Fixes: 8233/PPY6574574605_cut.mp3

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 20f7b4dfc9640c910655bd153c6996e9edd42ff0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
d48569cb5b avcodec/pngdec: Check length in fdAT
Fixes: 21089/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APNG_fuzzer-5135981419429888
Fixes: out of array read

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 79e5c2ee2bbdf462cabd2113c723dfb613d735c2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
74f7e11a98 avcodec/g2meet: Check tile_width in epic_jb_decode_tile()
Fixes: out of array access
Fixes: 21469/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-5199357982015488

Alternatively the arrays can be made bigger or the index can be clipped.
In case a real file with such huge tiles exist we ask the user to upload it.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5501bb28ddfa6441dcbf8ea0a964a13aa33f66fe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
60d36825bc avcodec/vp9dsp_template: Fix integer overflows in idct32_1d()
Fixes: signed integer overflow: -193177 * 11585 cannot be represented in type 'int'
Fixes: 20557/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VP9_fuzzer-5704852816789504

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 e16e3e63f0a96b4e0ec32972c975bc0e339a49d1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
e2a3317510 avcodec/alacdsp: Fix invalid shift in append_extra_bits()
Fixes: left shift of negative value -1
Fixes: 21390/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-6242539519868928

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 49ae034b42234486712a02f9b00253a0975cea02)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
a4e9221bde libavcodec/wmalosslessdec: prevent sum of positive numbers from becoming negative
Fixes: left shift of negative value -8321365
Fixes: 20506/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-4798062906310656

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 62e4003780cad60ac1371fef892da08c27069964)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
3ea3a94a1e avcodec/dstdec: Fix integer overflow in read_table()
Fixes: signed integer overflow: -16 * 134217879 cannot be represented in type 'int'
Fixes: 20492/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DST_fuzzer-5639509530378240

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 2d465a401dd790e2ca126ecb9cbda43f898a492f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
76ad5d0351 avcodec/txd: Check for input size against the header size.
Fixes: Timeout (21sec -> 80ms)
Fixes: 20673/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TXD_fuzzer-5177453863763968

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 aeb4e435847e0c970bcb1a835fe5eda17a4e1ce3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
ae8e215c41 avcodec/svq1dec: Check that there is data left after the header
Fixes: Timeout (21sec -> 255ms)
Fixes: 20709/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SVQ1_fuzzer-5085075089915904

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 55e344ee5aa6f6e04e50bbac457e0ca53433ab75)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
01436cc976 avcodec/intrax8: Check for end of bitstream in ff_intrax8_decode_picture()
Fixes: Timeout (105sec -> 1sec)
Fixes: 20479/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1_fuzzer-5769846937878528

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 0a9ccc2514da82812584b0e49a30625151d225e9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
0734772b79 avformat/mpegts: Shuffle avio_seek
This avoids accessing an old, no longer valid buffer.
Fixes: out of array access
Fixes: crash_audio-2020

Found-by: le wu <shoulewoba@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Martin Storsjö
4b19bb49bc rtmpdh: Don't use the OpenSSL DH struct
Instead use our own struct, which we already use when using
gcrypt and gnutls.

In OpenSSL 1.1, the DH struct has been made opaque.

Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 568c906501001b5a3469c8cf720ce27d9693352f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
3402904943 avcodec/hevc_mp4toannexb_bsf: Check nalu_size
Fixes: Timeout (29sec -> 5ms)
Fixes: 20237/clusterfuzz-testcase-minimized-ffmpeg_BSF_HEVC_MP4TOANNEXB_fuzzer-5165615044362240

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 ae2537f53e8ebfa36345241b5b70c0b1aef66dd2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
c2fd7070d4 avcodec/iff: Check length before memcpy() in decode_deep_rle32()
Fixes: out of array read
Fixes: 20796/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5111364702175232.fuzz

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 b4a33387cb1cd3f4c5036e65e0fdd953c6b5012f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
bedf686d5b avcodec/iff: Fix invalid pointer intermediates in decode_deep_rle32()
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bc41a29a5aa3c3dedba0a85b4aeb79a07eeeb1b4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
5e9fa514a4 avcodec/rv40dsp: Fix integer overflows in rv40_weight_func_*()
Fixes: signed integer overflow: 40550400 * 128 cannot be represented in type 'int'
Fixes: 20331/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RV40_fuzzer-5676685725007872

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 13171ad2e304b2a7d959429527b98c68ec5ea320)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
ff3ea90d6b avcodec/ac3dec_fixed: Fix several invalid left shifts in scale_coefs()
Fixes: left shift of negative value -14336
Fixes: 20298/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AC3_FIXED_fuzzer-5675484201615360

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 8e30502abe62f741cfef1e7b75048ae86a99a50f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
541298cef7 avcodec/flac_parser: Do not lose header count in find_headers_search()
Fixes: Timeout
Fixes: out of array access
Fixes: 20274/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FLAC_fuzzer-5649631988154368
Fixes: 19275/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FLAC_fuzzer-5757535722405888

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 55f9683cf6be97f4b398a7a35ee5bfd1208ac2a5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
2d3dd65a4b avcodec/audiodsp: Fix integer overflow in scalarproduct_int16_c()
Fixes: signed integer overflow: 2145417478 + 76702564 cannot be represented in type 'int'
Fixes: 20313/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RA_144_fuzzer-5734487724130304

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 abb5762e985f4ce34e97c1b2fa6d1108ce8a881f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
94af3d9ca6 avformat/oggdec: Check for EOF after page header
Fixes: Infinite loop
Fixes: Ticket8594

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f1589be9fda00c417f9bcccb55dbbea998ee08ac)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
6e768588c3 swscale/yuv2rgb: Fix vertical dither offset with slices
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit be3c29e3795cb2499e3b96335286d6a8423c0bcf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
7164a168fb avcodec/dpcm: clip exponent into supported range in XAN DPCM
Fixes: shift exponent 32 is too large for 32-bit type 'int'
Fixes: 21200/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XAN_DPCM_fuzzer-5754704894361600

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 20ade59d9633def4ebf84ec170f56367bfb6aa6c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
51e0e2deaf avcodec/flacdsp_template: Fix invalid shifts in decorrelate
Fixes: left shift of negative value -2
Fixes: 20303/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FLAC_fuzzer-5096829297623040

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 3935c891e96c0819439da43d1b862652bbbdf065)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00
Michael Niedermayer
dad6714ce6 avcodec/xvididct: Fix integer overflow in MULT()
Fixes: signed integer overflow: 23170 * 95058 cannot be represented in type 'int'
Fixes: 20295/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-5800212870463488

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 7ccb576191e91b393041b14917f1b681ec75ed3b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 12:49:26 +02:00