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Author SHA1 Message Date
Michael Niedermayer
186599c86f 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 0c4330847c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-05 12:43:08 +02:00
Michael Niedermayer
24f824af86 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 1ac106bf56)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-05 12:43:08 +02:00
Michael Niedermayer
8970824856 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 82d4c7b95e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-05 12:43:08 +02:00
Michael Niedermayer
8a359e077f 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 79e5c2ee2b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-05 12:43:08 +02:00
Michael Niedermayer
e060f917f2 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 5501bb28dd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-05 12:43:08 +02:00
Michael Niedermayer
189d849aa5 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 e16e3e63f0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-05 12:43:08 +02:00
Michael Niedermayer
1c200201cd 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 62e4003780)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-05 12:43:08 +02:00
Michael Niedermayer
b055fa4b1c 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 aeb4e43584)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-05 12:43:08 +02:00
Michael Niedermayer
54ec335e83 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 55e344ee5a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-05 12:43:08 +02:00
Andreas Rheinhardt
1662f9bb1c libavcodec/libvpxenc: Don't free user-provided AVPacket 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 26b4509690)
 2020-05-23 21:38:49 +02:00
Andreas Rheinhardt
49a9b454b3 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 b803993b6d)
 2020-05-23 21:38:21 +02:00
Michael Niedermayer
a1c51c0713 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 ae2537f53e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
56774297bb 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 b4a33387cb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
0516f88c76 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
9a636c5a76 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
d0d0962a8b 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
f983115644 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
9a82db1ce9 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
e6dcdee170 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
da076d4aa2 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
e0916c7fb5 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
834c9968a0 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
c00a5fc71f 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
2df0d6520c 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
781636afa0 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
8aee7f743f 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
63abfc87a4 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
69f0f5a93d 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
bc1e30adc6 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
661446f9d6 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
67f6cab06f 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
0590a8c671 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
cd9734b52e 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
e4c08e9419 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
bfdc0b24a9 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
0a8e5bab37 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
f3dfc3bf86 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
43222c987f 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
cee643d7fb 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
d641368fc2 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
ee3429d72c 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
51f6e2d7b8 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
ff7e2172d3 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
0dc4c9f745 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
aefc24beb2 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
20acb6d1be 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
e095298478 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
6be091ce22 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
92503fd8a9 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>
 2020-04-23 21:29:01 +02:00
Michael Niedermayer
9f9cedf29f 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>
 2020-04-23 21:29:01 +02:00