Michael Niedermayer
9462ca109f
avcodec/sunrast: Check that the input is large enough for the maximally compressed image
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Fixes: Timeout (17sec -> 15ms)
Fixes: 17224/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SUNRAST_fuzzer-5663218491457536
Fixes: 17224/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SUNRAST_fuzzer-5735590015795200
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 bf0ba75c4amichael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
3e5316bf2f
avcodec/sunrast: Check for availability of maplength before allocating image
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 711ad71aeamichael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
d458cfdcca
avcodec/wmaprodec: Check if there is a stream
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Fixes: null pointer dereference
Fixes: signed integer overflow: 512 * 2147483647 cannot be represented in type 'int'
Fixes: 17809/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XMA1_fuzzer-5634409947987968
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 9b533de28emichael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
29f07606b6
avcodec/g2meet: Check for end of input in jpg_decode_block()
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Fixes: Timeout (100sec -> 0.7sec)
Fixes: 8668/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-5174143888130048
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 61dd2e07bemichael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
8ca3bf37ab
avcodec/g2meet: Check if adjusted pixel was on the stack
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This basically checks if a pixel that was coded with prediction
and residual could have been stored using a previous case.
This avoids basically a string of 0 symbols stored in less than
50 bytes to hit a O(n²) codepath.
Fixes: Timeout (too slow to wait -> immediately)
Fixes: 8668/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-4895946310680576
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 9c84c162e9michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
3faa5c0fec
avcodec/utils: Check sample_rate before opening the decoder
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Fixes: signed integer overflow: 2 * -1306460384 cannot be represented in type 'int'
Fixes: 17685/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_fuzzer-5747390337777664
Fixes: 17688/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INTERPLAY_ACM_fuzzer-5739287210885120
Fixes: 17699/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INTERPLAY_ACM_fuzzer-5678394531905536
Fixes: 17738/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TAK_fuzzer-5763415733174272
Fixes: 17746/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BINKAUDIO_RDFT_fuzzer-5703008159006720
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: James Almer <jamrial@gmail.com >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 75fefb1fb7michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
James Almer
64cfde8033
avcodec/fitsdec: fix use of uninitialised values
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header.data_max and header.data_min are not necessarely set on all decoding scenarios.
Fixes a Valgrind reported regression since cfa1937791michael@niedermayer.cc >
Signed-off-by: James Almer <jamrial@gmail.com >
(cherry picked from commit e3f0ecfc57michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
c6c9f2e30e
avcodec/motionpixels: Mark 2 functions as always_inline
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Fixes: Timeout (30sec -> 25sec)
Fixes: 17050/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MOTIONPIXELS_fuzzer-5719149803732992
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 017884bdc3michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
1f2d293fab
avcodec/ralf: Fix integer overflow in decode_channel()
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Fixes: signed integer overflow: -1094995519 * 64 cannot be represented in type 'int'
Fixes: 17030/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5640695838146560
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 fbb314b6f2michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
d5bca31f58
vcodec/vc1: compute rangex/y only for P/B frames
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Fixes: left shift of 1073741824 by 1 places cannot be represented in type 'int'
Fixes: 16976/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1_fuzzer-4847262047404032
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 e75e7fe160michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
4ca1bcdfca
avcodec/vc1_pred: Fix invalid shifts in scaleforopp()
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Fixes: left shift of negative value -2
Fixes: 16964/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-5757853565976576
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 ced9a1cd0amichael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
c92c220d2c
avcodec/vc1_block: Fix invalid shift with rangeredfrm
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Fixes: left shift of negative value -7
Fixes: 16959/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3_fuzzer-5200360825683968
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 c722a69253michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
47e61e223d
avcodec/vc1: Check for excessive resolution
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Fixes: overflow in aspect ratio calculation
Fixes: signed integer overflow: 393215 * 14594 cannot be represented in type 'int'
Fixes: 15728/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3IMAGE_fuzzer-5661588893204480
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 181e138da7michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
bea0915aaf
avcodec/vc1: check REFDIST
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"9.1.1.43 P Reference Distance (REFDIST)"
"The value of REFDIST shall be less than, or equal to, 16."
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 7f7af9e294michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
860ae495c7
avcodec/apedec: Fix several integer overflows in predictor_update_filter() and do_apply_filter()
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Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself
Fixes: signed integer overflow: -14527961 - 2147483425 cannot be represented in type 'int'
Fixes: 16380/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5645957131141120
Fixes: 16968/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5716169901735936
Fixes: 17074/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5198710497083392
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 1e95a3e8a7michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
538bfc6053
avcodec/hevc_cabac: Tighten the limit on k in ff_hevc_cu_qp_delta_abs()
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Values larger would fail subsequent tests.
Fixes: signed integer overflow: 5 + 2147483646 cannot be represented in type 'int'
Fixes: 16966/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5695709549953024
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 f63cd1963emichael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
5401126753
avcodec/4xm: Check index in decode_i_block() also in the path where its not used.
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Fixes: Infinite loop
Fixes: signed integer overflow: 2147483644 + 16 cannot be represented in type 'int'
Fixes: 16169/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5662570416963584
Fixes: 16782/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5743163859271680
Fixes: 17641/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5711603562971136
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 87ddf9f1efmichael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
6c93707b9f
avcodec/atrac3: Check block_align
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Fixes: Infinite loop
Fixes: 17620/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ATRAC3_fuzzer-5086123012915200
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 2acbbe2623michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
4aedbf234c
avcodec/alsdec: Avoid dereferencing context pointer in inner interleave loop
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This makes the decoder faster
Improves/Fixes: Timeout (22sec -> 20sec)
Testcase: 17619/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5078510820917248
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 581a895c5cmichael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
b6a62d5bd4
avcodec/fitsdec: Prevent division by 0 with huge data_max
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Fixes: division by 0
Fixes: 15657/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FITS_fuzzer-5738154838982656
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 cfa1937791michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
f29bd3930f
avcodec/dstdec: Fix integer overflow in samples_per_frame computation
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Fixes: Timeout (? -> 2ms)
Fixes: 17616/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DST_fuzzer-5198057947267072
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 7dc0943d4amichael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
d7d7c9b2ca
avcodec/g729_parser: Check block_size
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Fixes: Infinite loop
Fixes: 17611/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ACELP_KELVIN_fuzzer-5765134928052224
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 972a0a818fmichael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
7bc4f1452f
avcodec/utils: Optimize ff_color_frame() using memcpy()
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4650975 -> 4493240 dezicycles
This optimizes lines 2 and later. Line 1 still uses av_memcpy_backptr()
This change originally fixed ossfuzz 10790 but this is now fixed by other
optimizations already
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 95e5396919michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
b5a8b3883e
avcodec/aacdec: Check if we run out of input in read_stream_mux_config()
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Fixes: Infinite loop
Fixes: 16920/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_LATM_fuzzer-5653421289373696
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 3dce4d03d5michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
51618d1cbf
avcodec/utils: Use av_memcpy_backptr() in ff_color_frame()
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Fixes: Timeout (191sec -> 53sec)
Fixes: 16908/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5711207859748864
Fixes: 10709/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5630617975259136
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 340ab13504michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
6c4d2cc992
avcodec/smacker: Fix integer overflow in signed int multiply in SMK_BLK_FILL
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Fixes: signed integer overflow: 238 * 16843009 cannot be represented in type 'int'
Fixes: 16958/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SMACKER_fuzzer-5193905355620352
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 033d2c4884michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
9b73ca0bca
avcodec/alac: Fix invalid shifts in 20/24 bps
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Fixes: left shift of negative value -256
Fixes: 16892/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-4880802642395136
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 b30c07cc2bmichael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
8831d1c850
avcodec/alac: fix undefined behavior with INT_MIN in lpc_prediction()
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Fixes: signed integer overflow: -2147483648 * -1 cannot be represented in type 'int'
Fixes: 16786/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-5632818851348480
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 0831cbfe09michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
ad7b379e42
avcodec/ffwavesynth: Fix integer overflow in timestamps
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Fixes: signed integer overflow: 9223371075321077760 * 2 cannot be represented in type 'long'
Fixes: 16447/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5698937431785472
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 c7ccbf40edmichael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
8567a86195
avcodec/adpcm: Check number of channels for MTAF
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Fixes: out of array access
Fixes: 17608/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_MTAF_fuzzer-5074936267276288
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 74bbf9bc82michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
1eb05c3bbb
avcodec/sunrast: Fix indention
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 0728d64497michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
0b8b5fea94
avcodec/sunrast: Fix return type for "unsupported (compression) type"
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Reviewed-by: Paul B Mahol <onemda@gmail.com >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 0e8b7709a9michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
c888b34b1c
avcodec/hevcdec: Fix memleak of a53_caption
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Fixes: 15295/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5675655187922944
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 ef50cf7b32michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
a77652e93e
avcodec/hevcdec: repeat character in skiped
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit d2d8e797ccmichael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
71e74978b4
avcodec/gdv: Replace assert() checking bitstream by if()
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit a9fae76370michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
1b90d7bbde
libavcodec/utils: Free threads on init failure
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Fixes: Multiple memleaks
Fixes: ffmpeg-memory-leak
Found-by: Francis Provencher <francis@protekresearchlab.com >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 61b055bed0michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
a663d186a6
avcodec/htmlsubtitles: Avoid locale dependant isdigit()
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit b94cf549e2michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
a003c985bb
avcodec/alsdec: Check k from being outside what our implementation can handle
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The specification does not seem to list what the maximum valid
value is
Fixes: shift exponent 32 is too large for 32-bit type 'unsigned int'
Fixes: 16268/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5638164544225280
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 e125578994michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
da76ca5551
avcodec/takdec: Fix integer overflow in decorrelate()
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Fixes: signed integer overflow: -2424832 - 2145653689 cannot be represented in type 'int'
Fixes: 16138/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TAK_fuzzer-5643451346976768
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 f119273649michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
089b1e1677
avcodec/aacps: Fix integer overflows in hybrid_synthesis()
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Fixes: signed integer overflow: -822667928 + -1399761199 cannot be represented in type 'int'
Fixes: 15756/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5645182051024896
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 ec749ed222michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
bc2fb4cf8a
avcodec/vp56rac: delay signaling an error on truncated input
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A threshold of 1 is sufficient for simple_dump_cut.webm, 10 is used
just to be sure the next truncated file doesnt cause the same issue
Obvious alternative fixes are to simply accept that the file is broken or to
write some advanced error concealment or to
simply accept that the decoder wont stop at the end of input.
Fixes: Ticket 8069 (artifacts not the differing md5 which was there before 1afd2469601afd246960michael@niedermayer.cc >
(cherry picked from commit b6b9ac5698michael@niedermayer.cc >
(cherry picked from commit 70fb3fa990d604211d5b24fc43cdfe31560de250)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
2019-11-15 12:25:46 +01:00
Michael Niedermayer
8e41f41077
avcodec/vp5/6/8: use vpX_rac_is_end()
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Reviewed-by: Peter Ross <pross@xvid.org >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit ab56e62e8fmichael@niedermayer.cc >
(cherry picked from commit 1dd89192c59df0d6655e9308a0782d8c7b259b18)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
2019-11-15 12:25:45 +01:00
Michael Niedermayer
ad3452eb25
avcodec/vp56: Add vpX_rac_is_end() to check for the end of input
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 0fb83b4c91michael@niedermayer.cc >
2019-11-15 12:25:45 +01:00
Michael Niedermayer
f1b943df92
avcodec/qdm2: Check frame size
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Fixes: index 2304 out of bounds for type 'float [2304]'
Fixes: 16332/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDM2_fuzzer-5679142481166336
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 12b909ba31michael@niedermayer.cc >
2019-11-15 12:25:45 +01:00
Michael Niedermayer
18c0c14a05
avcodec/vc1_pred: Fix refdist in scaleforopp()
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Fixes: out of array access
Fixes: 16601/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-5656105392275456
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 413e0f2516michael@niedermayer.cc >
2019-11-15 12:25:45 +01:00
Michael Niedermayer
eeb1e37e76
avcodec/vorbisdec: fix FASTDIV usage for vr_type == 2
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This reverts a hunk from f1ca40ee00https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 722fd46965michael@niedermayer.cc >
2019-11-15 12:25:45 +01:00
Michael Niedermayer
79e06f4d31
avcodec/iff: Check for overlap in cmap_read_palette()
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Fixes: undefined memcpy() use
Fixes: 16302/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5678750575886336
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 dfa5d1a366michael@niedermayer.cc >
2019-11-15 12:25:45 +01:00
Michael Niedermayer
6d1f143ae1
avcodec/apedec: Fix 32bit int overflow in do_apply_filter()
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Fixes: signed integer overflow: 2147480546 + 4096 cannot be represented in type 'int'
Fixes: 16280/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5123442566758400
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Tomas Härdin <tjoppen@acc.umu.se >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 9d3ddef519michael@niedermayer.cc >
2019-11-15 12:25:45 +01:00
Michael Niedermayer
aefa5dd5a4
avcodec/ralf: fix undefined shift in extend_code()
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Fixes: left shift of negative value -3
Fixes: 16147/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5658392722407424
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 4778407ab3michael@niedermayer.cc >
2019-11-15 12:25:45 +01:00
Michael Niedermayer
7096eb193c
avcodec/ralf: fix undefined shift
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Fixes: left shift of negative value -2
Fixes: 16145/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5146671058518016
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 0ee886988emichael@niedermayer.cc >
2019-11-15 12:25:45 +01:00
