Michael Niedermayer
00a14cfeb2
avcodec/aacenc: Do not divide by lambda_count if it is 0
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Avoids Floating point division by 0
Fixes: Ticket8011
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit c520b98691michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
162f4df07b
avcodec/aacenc: Use FLT_EPSILON for lambda minimum
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(cherry picked from commit 4b89cf7aa4michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
a6dc7ba0ec
avcodec/lpc: Avoid floating point division by 0
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Fixes: Ticket7996
Fixes: CVE-2020-20445
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 38d18fb578michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
f5d0848098
avcodec/aacpsy: Avoid floating point division by 0 of norm_fac
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Fixes: Ticket7995
Fixes: CVE-2020-20446
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 223b5e8ac9michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
d6737266a9
avcodec/aacenc: Avoid 0 lambda
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Fixes: Ticket8003
Fixes: CVE-2020-20453
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit a7a7f32c8amichael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
68d77a5580
avcodec/exr: x/ymax cannot be INT_MAX
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The code uses x/ymax + 1 so the maximum is INT_MAX-1
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 33158/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5545462457303040
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 48342aa075michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
9c85898056
avcodec/vc1: Check remaining bits in ff_vc1_parse_frame_header()
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Fixes: Timeout
Fixes: 33156/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3_fuzzer-6259655027326976
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 38c4761588michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
6838715c82
avcodec/faxcompr: Check for end of bitstream in decode_group3_1d_line() and decode_group3_2d_line()
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Fixes: infinite loop
Fixes: 33674/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-4816457818046464
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 08d2df4153michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
8fd09b2f34
avcodec/utils: treat PAL8 for jpegs similar to other colorspaces
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Fixes: out of array access
Fixes: 33713/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-5778775641030656
Fixes: 33717/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEGLS_fuzzer-4960397238075392
Fixes: 33718/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SMVJPEG_fuzzer-5314270096130048.fuzz
Fixes: 33719/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-5352721864589312
Fixes: 33721/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THP_fuzzer-5938892055379968
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 f0ce023ddbmichael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
241b505b0c
avcodec/jpeglsdec: Set alpha plane in PAL8 so image is not 100% transparent
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Fixes: tickets/3933/128.jls
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 011006874cmichael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
0ccbac1ee8
avcodec/faxcompr: Check remaining bits on error in decode_group3_1d_line()
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Fixes: Timeout
Fixes: 32886/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-4779761466474496
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 7b3881f0damichael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
facc1ef12b
avcodec/utils: Check ima wav duration for overflow
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Fixes: signed integer overflow: 44331634 * 65 cannot be represented in type 'int'
Fixes: 32120/clusterfuzz-testcase-minimized-ffmpeg_dem_RSD_fuzzer-5760221223583744
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 f40e9b1355michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
3f69b4640f
avcodec/dpx: Check bits_per_color earlier
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Fixes: shift exponent 251 is too large for 32-bit type 'int'
Fixes: 32147/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DPX_fuzzer-5519111675314176
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 c093eb3031michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
57685d44ee
avcodec/pnm_parser: Check image size addition for overflow
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Fixes: assertion failure
Fixes: out of array access
Fixes: 32664/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PGMYUV_fuzzer-6533642202513408.fuzz
Fixes: 32669/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PGMYUV_fuzzer-6001928875147264
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 79ac8d5546michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
eca0a942ea
avcodec/h264_slice: Check input SPS in ff_h264_update_thread_context()
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Fixes: crash
Fixes: check_pkt.mp4
Found-by: Rafael Dutra <rafael.dutra@cispa.de >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit ceae92cb29michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
c5a26f4511
avcodec/mpegvideo: Update chroma_?_shift in ff_mpv_common_frame_size_change()
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Fixes: out of array access
Fixes: 31201/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-4627865612189696.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 87d87e6587michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
5079967d37
avcodec/sonic: Use unsigned temporary in predictor_calc_error()
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Fixes: signed integer overflow: -2147471366 - 18638 cannot be represented in type 'int'
Fixes: 30157/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SONIC_fuzzer-5171199746506752
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 075d793ba8michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
698d23aebf
avcodec/h264_slice: Check sps in h264_slice_header_init()
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Fixes: null pointer dereference
Fixes: h264_slice_header_init.mp4
Found-by: Rafael Dutra <rafael.dutra@cispa.de >
Tested-by: Rafael Dutra <rafael.dutra@cispa.de >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 8047243899michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
9a261e5681
avcodec/ffwavesynth: Avoid signed integer overflow in phi_at()
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Fixes: signed integer overflow: 2314885530818453536 - -9070214327174160352 cannot be represented in type 'long'
Fixes: 31000/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-6558389742206976
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Nicolas George <george@nsup.org >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit be08b84f8bmichael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
77cab29a28
avcodec/mpeg4videoenc: Check extradata malloc()
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Fixes: Null pointer dereference
Fixes: any mpeg4 testcase which fails the malloc at that exact spot
Found-by: Rafael Dutra <rafael.dutra@cispa.de >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 33a1687bf6michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
81e27dc15b
avcodec/utils: Use more bits for intermediate for AV_CODEC_ID_ADPCM_MS
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Fixes: signed integer overflow: 1172577312 * 2 cannot be represented in type 'int'
Fixes: 29924/clusterfuzz-testcase-minimized-ffmpeg_dem_BOA_fuzzer-4882912874594304
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 0f441b9063michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
c13d2e47de
avcodec/jpegls: Check A[Q] for overflow in ff_jpegls_update_state_regular()
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Fixes: Timeout
Fixes: 30912/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-5556235476795392
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 8a3fea802amichael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
d446934d39
avcodec/ffv1dec: Check if trailer is available
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Fixes: out of array read
Fixes: 29750/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFV1_fuzzer-4808377272238080.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 36ad2f41e3michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
6f7af297c6
avcodec/4xm: Check pre_gb in decode_i_block()
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Fixes: Timeout
Fixes: 31257/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5150866229297152
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 b87781649emichael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
fcab70315c
avcodec/dcadsp: Fix integer overflow in dmix_add_c()
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Fixes: signed integer overflow: 1515225320 + 759416059 cannot be represented in type 'int'
Fixes: 29256/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DCA_fuzzer-5719088561258496
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 b4ebf483bcmichael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
cf8a7b7b4e
avcodec/aacdec_template: Avoid undefined negation in imdct_and_windowing_eld()
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Fixes: negation of -2147483648 cannot be represented in type 'INTFLOAT' (aka 'int'); cast to an unsigned type to negate this value to itself
Fixes: 29057/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5642758933053440
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 633924539amichael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
c97f77e407
avcodec/alsdec: Check bitstream input in read_block()
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Fixes: Timeout
Fixes: 28110/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5036338973507584
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 53d739db4emichael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
6173ca00f7
avcodec/hapdec: Change compressed_offset to unsigned 32bit
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Fixes: out of array access
Fixes: 29345/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HAP_fuzzer-5401813482340352
Fixes: 30745/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HAP_fuzzer-5762798221131776
Suggested-by: Anton
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 89fe1935b1michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
0146375f9a
avcodec/pnm_parser: Check av_image_get_buffer_size() for failure
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Fixes: out of array access
Fixes: 30135/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PBM_fuzzer-4997145650397184
Fixes: 30208/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PGMYUV_fuzzer-5605891665690624.fuzz
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 5314a4996cmichael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
ecf7cb4579
avcodec/jpeglsdec: Fix k=16 in ls_get_code_regular()
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Fixes: Timeout
Fixes: left shift of 33046 by 16 places cannot be represented in type 'int'
Fixes: 29258/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-4889231489105920
Fixes: 29515/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-6161940391002112
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 980900d991michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
d472de012a
avcodec/hevc_sei: Check payload size in decode_nal_sei_message()
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Fixes: out of array access
Fixes: 29392/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-4821602850177024.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 0791a515d3michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
e2bd33c8de
avcodec/vp9dsp_template: Fix integer overflows in itxfm_wrapper
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Fixes: signed integer overflow: 2147483641 + 32 cannot be represented in type 'int'
Fixes: 27452/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VP9_fuzzer-5078752576667648
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 4dfb7ff528michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
4fdb414590
avcodec/mxpegdec: fix SOF counting
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Fixes: Timeout (>10sec -> 15ms)
Fixes: 27652/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MXPEG_fuzzer-5125920868007936
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 401495def6michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
5ef9f6e6e3
avcodec/rscc: Check inflated_buf size whan it is used
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Fixes: out of array access
Fixes: 27434/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RSCC_fuzzer-5196757675540480
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
(cherry picked from commit a5ed6da9bdmichael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
68b034625c
avcodec/simple_idct: Fix undefined integer overflow in idct4row()
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Fixes: signed integer overflow: -1498310196 - 902891776 cannot be represented in type 'int'
Fixes: 28445/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-5075163389493248
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 57f7e5caa3michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
05efd2ec5c
avcodec/vp3: Check input amount in theora_decode_header()
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Fixes: Timeout
Fixes: 29226/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THEORA_fuzzer-6195092572471296
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 869fe41d10michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
e37c5f6d6a
avcodec/utils: Check for integer overflow in get_audio_frame_duration() for ADPCM_DTK
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Fixes: signed integer overflow: 131203586 * 28 cannot be represented in type 'int'
Fixes: 26817/clusterfuzz-testcase-minimized-ffmpeg_dem_MSF_fuzzer-6296902548848640
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 2488ba85a0michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
c9138413c9
avcodec/wmaprodec: Check packet size
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Fixes: left shift of negative value -25824
Fixes: 27754/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XMA2_fuzzer-5760255962906624
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 69aeba8a19michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
6cdbedbfb7
avcodec/ffv1dec: Fix off by 1 error with quant tables
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Fixes: assertion failure
Fixes: 28447/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFV1_fuzzer-5369575948550144
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 5cae71d2b7michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
e46b067199
avcodec/hevc_ps: check scaling_list_dc_coef
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Fixes: signed integer overflow: 2147483640 + 8 cannot be represented in type 'int'
Fixes: 28449/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5686013259284480
Reviewed-by: James Almer <jamrial@gmail.com >
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit f1700bd8bbmichael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
896720925a
avcodec/h264idct_template: Fix integer overflow in ff_h264_chroma422_dc_dequant_idct()
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Fixes: signed integer overflow: -2105540608 - 2105540608 cannot be represented in type 'int'
Fixes: 26870/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5656647567147008
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 51dfd6f1bdmichael@niedermayer.cc >
2021-10-09 22:02:19 +02:00
Michael Niedermayer
4314f97f65
avcodec/hevc_cabac: Limit value in coeff_abs_level_remaining_decode() tighter
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The max depth is 16bps, the max allowed coefficient depth is depth+6
Fixes: signed integer overflow: 1074266112 + 1073725439 cannot be represented in type 'int'
Fixes: 26493/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5657763331702784
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 7cf852b03cmichael@niedermayer.cc >
2021-10-09 22:02:19 +02:00
Michael Niedermayer
30102ee94e
avcodec/exr: Check ymin vs. h
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Fixes: out of array access
Fixes: 26532/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5613925708857344
Fixes: 27443/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5631239813595136
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 3e5959b345michael@niedermayer.cc >
2021-10-09 22:02:19 +02:00
Michael Niedermayer
4ecce5f256
avcodec/utils: Check sample rate before use for AV_CODEC_ID_BINKAUDIO_DCT in get_audio_frame_duration()
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Fixes: shift exponent 95 is too large for 32-bit type 'int'
Fixes: 26590/clusterfuzz-testcase-minimized-ffmpeg_dem_SMACKER_fuzzer-5120609937522688
Reviewed-by: Peter Ross <pross@xvid.org >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit ec7e0d4288michael@niedermayer.cc >
2021-10-09 22:02:19 +02:00
Michael Niedermayer
8206115257
avcodec/dirac_parser: do not offset AV_NOPTS_OFFSET
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Fixes: signed integer overflow: -9223372036854775807 - 48000 cannot be represented in type 'long long'
Fixes: 26521/clusterfuzz-testcase-minimized-ffmpeg_dem_DIRAC_fuzzer-5635536506847232
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Lynne <dev@lynne.ee >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 343c3149abmichael@niedermayer.cc >
2021-10-09 22:02:19 +02:00
Michael Niedermayer
c4b7fbc981
avcodec/vp9dsp_template: Fix some overflows in iadst8_1d()
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Fixes: signed integer overflow: 190587 * 11585 cannot be represented in type 'int'
Fixes: 26407/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VP9_fuzzer-5086348408782848
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 bca0735be5michael@niedermayer.cc >
2021-10-09 22:02:19 +02:00
Michael Niedermayer
5c607d895d
avcodec/magicyuv: Check slice size before reading flags and pred
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Fixes: heap-buffer-overflow
Fixes: 26487/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MAGICYUV_fuzzer-5742553675333632
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 0dc42147b6michael@niedermayer.cc >
2021-10-09 22:02:19 +02:00
Michael Niedermayer
40edc35fcf
avcodec/exr: Check limits to avoid overflow in delta computation
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Fixes: signed integer overflow: 553590816 - -2145378049 cannot be represented in type 'int'
Fixes: 26315/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5938755121446912
Fixes: 26340/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5644316208529408
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 6910e0f4e5michael@niedermayer.cc >
2021-10-09 22:02:19 +02:00
Michael Niedermayer
cfce46eb2e
avcodec/h264idct_template: Fix integer overflow in ff_h264_chroma422_dc_dequant_idct()
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Fixes: signed integer overflow: 241173056 + 1953511200 cannot be represented in type 'int'
Fixes: 26086/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5068366420901888
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 d198362839michael@niedermayer.cc >
2021-10-09 22:02:19 +02:00
Michael Niedermayer
2f0b704093
avcodec/aacdec_fixed: Limit index in vector_pow43()
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Fixes: out of array access
Fixes: 26087/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5724825462767616
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 4f83a53638michael@niedermayer.cc >
2021-10-09 22:02:19 +02:00
