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Author SHA1 Message Date
Michael Niedermayer
e038ecf707 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 bc41a29a5a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
f0f164f8c5 avcodec/pngdec: Pass ret from decode_iccp_chunk() 
Found while reviewing a patch fixing a similar issue

Reviewed-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4c7bcaa385)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
4e4fc148d0 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 13171ad2e3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
5c1985f22b 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 8e30502abe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
725a2495f8 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 55f9683cf6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
4eccd91899 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 abb5762e98)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
63c6e55edf 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 20ade59d96)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
bc624d1853 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 3935c891e9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
a8ba25defd 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 7ccb576191)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
4a60aa9bd3 avcodec/ffwavesynth: Correct undefined overflow of PINK_UNIT 
Fixes: signed integer overflow: 9223372036854775775 + 128 cannot be represented in type 'long'
Fixes: 20054/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5686385113825280

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 187161d62f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
658085fbcf avcodec/ffwavesynth: Fix integer overflow in computation of ddphi 
Fixes: signed integer overflow: 1302123111085380114 - -8319005078741256972 cannot be represented in type 'long'
Fixes: 20991/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5148554161291264

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 c85bf16318)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
807af72750 avcodec/adpcm: Fix invalid shift in AV_CODEC_ID_ADPCM_PSX 
Fixes: left shift of negative value -1
Fixes: 20859/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_PSX_fuzzer-5720391507247104

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 0a11ef68f0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
51d2137b98 avcodec/mpeg12dec: Fix invalid shift in mpeg2_fast_decode_block_intra() 
Fixes: left shift of negative value -695
Fixes: 19232/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG1VIDEO_fuzzer-5702856963522560
Fixes: 19555/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG1VIDEO_fuzzer-5741218147598336

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 c40df2166c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
2e893054bf avcodec/mpegaudioenc_template: fix invalid shift of sample 
Fixes: Ticket8010

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a2c97a8342)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
3a2dfcf3a1 avcodec/motion_est_template: Fix invalid shifts in no_sub_motion_search() 
Fixes: Ticket8167

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e13eee37ee)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
80d6a3c271 avcodec/magicyuv: Check that there are enough lines for interlacing to be possible 
Fixes: out of array access
Fixes: 20763/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MAGICYUV_fuzzer-5759562508664832

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 f8a0e9f9f7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
8c594a9070 avcodec/pcm: Fix invalid shift in AV_CODEC_ID_PCM_LXF 
Fixes: left shift of 233 by 24 places cannot be represented in type 'int'
Fixes: 20736/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PCM_LXF_fuzzer-4829212685107200

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 051d11f659)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
b2c54369fe avcodec/qdm2: Check fft_coefs_index 
Fixes: out of array access
Fixes: 20660/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDM2_fuzzer-5658290216501248

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 9fc73bf022)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
f6d0260a81 avcodec/apedec: Fix invalid shift with 24 bps 
Fixes: left shift of negative value -463
Fixes: 20542/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5688714435231744

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 8e27867229)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
e4921f409d avcodec/dpcm: Fix integer overflow in AV_CODEC_ID_GREMLIN_DPCM 
Fixes: signed integer overflow: -2147479324 + -32568 cannot be represented in type 'int'
Fixes: 20103/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_GREMLIN_DPCM_fuzzer-5667667579240448

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 b1aecad9ea)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
d60daf43bc avcodec/wmalosslessdec: Fix integer overflow with sliding in padding bits 
Fixes: signed integer overflow: -53716100 * 256 cannot be represented in type 'int'
Fixes: 20143/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5716604000403456

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 b8a0be9352)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
41447fcbcb avcodec/wmalosslessdec: Fix loop in revert_acfilter() 
Fixes: out of array read
Fixes: 20059/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5691776237305856

No testcase except the fuzzed one.

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 5584c0bb94)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
b6e15c1156 avcodec/lagarith: Sanity check scale 
A value of 24 and above can collaps the range to 0 which would not work.

Fixes: Timeout (75sec -> 21sec)
Fixes: 18707/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LAGARITH_fuzzer-5708950892969984

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 fb3855342b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
c3e113d705 avcodec/apedec: Fix integer overflows in predictor_decode_mono_3950() 
Fixes: signed integer overflow: -2147407150 + -1871606 cannot be represented in type 'int'
Fixes: 18702/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5679095417667584

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 eb64a5c6f9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
4c1c8ea33e avcodec/ralf: Fix integer overflow in apply_lpc() 
Fixes: signed integer overflow: 2147482897 + 2048 cannot be represented in type 'int'
Fixes: 19240/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5743240326414336
Fixes: 19869/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5150136636538880

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 fd313d8cf8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
57879ec143 avcodec/dca_lbr: Fix some error codes and error passing 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bfea054a75)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
168e6748ee avcodec/wmavoice: Fix rounding and integer anomalies in calc_input_response() 
Fixes: out of array access
Fixes: inf is outside the range of representable values of type 'int'
Fixes: signed integer overflow: -9223372036854775808 - 1 cannot be represented in type 'long'
Fixes: 19316/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAVOICE_fuzzer-5677369365102592

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 38d3758444)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
a344f245c4 avcodec/wmavoice: sanity check block_align 
This limit is roughly based on the bitreader limit, its likely a much tighter limit
could be used

Fixes: left shift of 1965039647 by 1 places cannot be represented in type 'int'
Fixes: 19545/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAVOICE_fuzzer-5695391899320320

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 6847e22c8c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
7a0317e38c avcodec/pcm: Fix invalid shift in pcm_decode_frame for LXF 
Fixes: left shift of 32 by 28 places cannot be represented in type 'int'
Fixes: 19472/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PCM_LXF_fuzzer-5704364320096256

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 985d3666f6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
2b57b593b5 avcodec/snappy: Sanity check bytestream2_get_levarint() 
Fixes: left shift of 79 by 28 places cannot be represented in type 'int'
Fixes: 20202/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HAP_fuzzer-5719004081815552
Fixes: 20219/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HAP_fuzzer-5641738677125120
Fixes: 20389/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HAP_fuzzer-5680721517871104

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 be54da2117)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
afc97ceb22 avcodec/mlpdsp: Fix a invalid shift in ff_mlp_rematrix_channel() 
Fixes: left shift of negative value -2
Fixes: 20305/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEHD_fuzzer-5677196618498048

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Jai Luthra <me@jailuthra.in>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit fcc9f13717)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
344368df55 avcodec/avdct: Clear IDCTDSPContext context 
Fixes use of uninitialized variable and segfault

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b82825eba8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
06f3cea696 avcodec/x86/diracdsp: Fix high bits on Windows x86_64 
Found-by: james
(cherry picked from commit 24af459d1e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
05cafd2a0e avcodec/wmalosslessdec: Fix multiple integer overflows 
Fixes: left shift of 3329 by 20 places cannot be represented in type 'int'
Fixes: signed integer overflow: -199378355 + -1948950833 cannot be represented in type 'int'
Fixes: 19837/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5752565837070336
Fixes: 19839/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5767483265122304

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 422202516c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
848a93b8c8 avcodec/apedec: Fix undefined integer overflow in decode_array_0000() 
Fixes: signed integer overflow: -2143289344 - 6246400 cannot be represented in type 'int'
Fixes: 19239/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5173755680915456

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 a3655bb02c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
1dc2117513 avcodec/smacker: Check space before decoding type 
Fixes: Timeout (232sec -> 280ms)
Fixes: 19682/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SMACKER_fuzzer-5654129649385472

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 6f5c18da59)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
6452023550 avcodec/rawdec: Use linesize in b64a 
Fixes: out of array access
Fixes: 19750/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RAWVIDEO_fuzzer-5074834119983104

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 2b5b9d5dac)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
a45cc681cc avcodec/iff: Over-allocate ham_palbuf for HAM6 IFF-PBM 
IFF-PBM-HAM6 can read out of array without this overallocation
Fixes: Out of array read
Fixes: 19752/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5675331403120640

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 8652f4e7a1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
f2c99c2f88 avcodec/x86/diracdsp: Fix incorrect src addressing in dequant_subband_32() 
Fixes: Segfault (not reproducable with asm, which made this hard to debug)
Fixes: decoding errors
Fixes: 19854/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5729372837511168

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 0694b60b7b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
a0868285c0 avcodec/hevc_mp4toannexb_bsf: check that nalu size doesnt overflow 
Fixes: Out of array access
Fixes: 19299/clusterfuzz-testcase-minimized-ffmpeg_BSF_HEVC_MP4TOANNEXB_fuzzer-5169193398042624

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 a8ceb2a72f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
0ab57e0626 avcodec/hevc_mp4toannexb_bsf: Avoid NULL memcpy() 
Fixes: invalid memcpy use
Fixes: 19299/clusterfuzz-testcase-minimized-ffmpeg_BSF_HEVC_MP4TOANNEXB_fuzzer-5169193398042624

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 1e23b5a706)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
04ef299aa0 avcodec/wmalosslessdec: move channel check up 
Fixes: out of array access
Fixes: 2nd part of 18429/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-6210814364614656

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 891bcc4acc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
bdb0af634e avcodec/adpcm: Fix overflow in FFABS() IMA_EA_EACS 
Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself
Fixes: 19235/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_IMA_EA_EACS_fuzzer-5680878952382464

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 794352ae9d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
5684147644 avcodec/alac: Fix integer overflow in LPC coefficient adaption 
Fixes: signed integer overflow: 267693597 * 10 cannot be represented in type 'int'
Fixes: 19237/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-5755407700328448

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 6a865cec5e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
4f739a5879 avcodec/g729postfilter: Optimize out overflowing multiplication from apply_tilt_comp() 
Fixes: signed integer overflow: -1114392282 * 2 cannot be represented in type 'int'
Fixes: 19236/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G729_fuzzer-5741678938030080

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 c0bd5fa43d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
bcc836d1f2 avcodec/vc1dec: Check field_mode for sprites 
Fixes: Out of array read
Fixes: 19263/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-5389219325542400

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 32fb919836)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
5e874507e1 avcodec/vc1dec: Limit bits by the actual bitstream size 
Fixes: Timeout (350 ->19sec)
Fixes: 19249/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-6566896438870016

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 c56a52a82c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
b4e369cf36 avcodec/vmdaudio: Check block_align more 
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 19788/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VMDAUDIO_fuzzer-5743379690553344

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 06f6857b54)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
0b05ea827e avcodec/pgssubdec: Free subtitle on error 
Fixes: Assertion failure
Fixes: 19753/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PGSSUB_fuzzer-5688461843759104

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 b0a718923b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00
Michael Niedermayer
b9b2ac5dbb avcodec/ffwavesynth: Fix undefined overflow in wavesynth_synth_sample() 
Fixes: signed integer overflow: 2147464192 + 21176 cannot be represented in type 'int'
Fixes: 19042/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5719828090585088

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 fa47f6412d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 19:55:09 +02:00