Michael Niedermayer
a9fba357e5
avcodec/loco: Fix integer overflow with large values from loco_get_rice()
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Fixes: signed integer overflow: 155 + 2147483647 cannot be represented in type 'int'
Fixes: 23421/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LOCO_fuzzer-5652849097965568
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 3ddc5e1f3cmichael@niedermayer.cc >
2020-07-07 19:29:28 +02:00
Michael Niedermayer
ad609996e6
avformat/smjpegdec: Check the existence of referred streams
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Fixes: Assertion failure
Fixes: 23758/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5160954605338624.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 321ea59dacmichael@niedermayer.cc >
2020-07-07 19:28:34 +02:00
Michael Niedermayer
adffd9d909
avcodec/pnmdec: Fix misaligned reads
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Found-by: "Steinar H. Gunderson" <steinar+ffmpeg@gunderson.no >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit ea28ce9bc1michael@niedermayer.cc >
2020-07-06 01:51:19 +02:00
Michael Niedermayer
98ce6fd8e7
Update for 2.8.17
2020-07-05 13:01:36 +02:00
Michael Niedermayer
542bfa483c
avformat/utils: reorder duration computation to avoid overflow
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Fixes: signed integer overflow: 8 * 9223372036854774783 cannot be represented in type 'long'
Fixes: 23381/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4818340509122560
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 10cc82c35bmichael@niedermayer.cc >
2020-07-05 13:01:36 +02:00
Michael Niedermayer
8cae3778ea
avcodec/pngdec: Check for fctl after idat
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Fixes: out of array access
Fixes: 23554/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APNG_fuzzer-4796622520451072.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 65b1ba680fmichael@niedermayer.cc >
2020-07-05 13:01:36 +02:00
Ronald S. Bultje
453519af0d
png: split header state and data state in two separate variables.
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Fixes a reported (but false) race condition in tsan for fate-apng:
WARNING: ThreadSanitizer: data race (pid=6274)
Read of size 4 at 0x7d680001ec78 by main thread (mutexes: write M1338):
#0 update_thread_context src/libavcodec/pngdec.c:1456 (ffmpeg+0x000000dacf0c)
[..]
Previous write of size 4 at 0x7d680001ec78 by thread T1 (mutexes: write M1335):
#0 decode_idat_chunk src/libavcodec/pngdec.c:737 (ffmpeg+0x000000dae951)
(cherry picked from commit 478f1c3d5emichael@niedermayer.cc >
2020-07-05 13:01:36 +02:00
Michael Niedermayer
0f6fa27b24
avformat/hls: Pass a copy of the URL for probing
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The segments / url can be modified by the io read when reloading
This may be an alternative or additional fix for Ticket8673
as a further alternative the reload stuff could be disabled during
probing
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit b5e39880fbmichael@niedermayer.cc >
2020-07-05 13:01:36 +02:00
Steven Liu
6959358683
avformat/hls: check segment duration value of EXTINF
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fix ticket: 8673
set the default EXTINF duration to 1ms if duration is smaller than 1ms
Signed-off-by: Steven Liu <lq@chinaffmpeg.org >
(cherry picked from commit 9dfb19baeb
2020-07-05 13:01:36 +02:00
Michael Niedermayer
449bdf05f8
avutil/common: Fix integer overflow in av_ceil_log2_c()
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Fixes: left shift of 1913647649 by 1 places cannot be represented in type 'int'
Fixes: 23572/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5082619795734528
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 e409262837michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
204a7255fa
avformat/microdvddec: skip malformed lines without frame number.
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Fixes: signed integer overflow: 1 - -9223372036854775808 cannot be represented in type 'long'
Fixes: 23490/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5133490093031424
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 a8fb7612a9michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
22669e38e4
avformat/4xm: Check that a video stream was created before returning packets for it
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Fixes: assertion failure
Fixes: 23434/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5227750851084288.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 c517c3f474michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
30242bcb00
avcodec/ffwavesynth: Avoid undefined operation on ts overflow
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Alternatively these conditions could be treated as errors
Fixes: 23147/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5639254549200896
Fixes: signed integer overflow: 9223372036854775807 + 1 cannot be represented in type 'int64_t' (aka 'long')
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 584d334afdmichael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
425c0eafae
avcodec/mpeg4videodec: Fix 2 integer overflows in get_amv()
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Fixes: signed integer overflow: -144876608 * 16 cannot be represented in type 'int'
Fixes: 22782/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-6039584977977344
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 e361785ee0michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
c11634ad75
avcodec/lossless_audiodsp: Fix undefined overflows in scalarproduct_and_madd_int16_c()
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Fixes: signed integer overflow: 2142077091 + 6881070 cannot be represented in type 'int'
Fixes: 22737/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5958388889681920
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 c0dfe134bemichael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
bb5e4743d9
avcodec/sonic: Fix several integer overflows
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Fixes: signed integer overflow: 2129689466 + 2129689466 cannot be represented in type 'int'
Fixes: 20715/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SONIC_fuzzer-5155263109922816
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 75d520e337michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
c837abe0a9
avcodec/iff: Fix off by x error
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Fixes: out of array access
Fixes: 23245/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5723121327013888.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 51225dee0amichael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
08f49d5085
avcodec/wmalosslessdec: Check block_align maximum
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Fixes: Assertion failure
Fixes: 22737/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5958388889681920
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 314d10f7a6michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
5663dd6662
avcodec/loco: Fix signed integer overflow in loco_get_rice()
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Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 22975/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LOCO_fuzzer-5658160970072064
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 aa88cdfd90michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
f46d338341
avformat/thp: Check fps
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Fixes: division by zero
Fixes: 23162/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4856420817436672
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 0e15b01b4emichael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
60568d2841
avformat/mpl2dec: Fix integer overflow with duration
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Fixes: signed integer overflow: 9223372036854775807 - -1 cannot be represented in type 'long'
Fixes: 23167/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6425051741290496
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 9a42a67c5cmichael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
a1cfe7baed
avcodec/mpeg12dec: remove outdated comments
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Found-by: Kieran
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 48de8f5816michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
0d92707437
avcodec/snowdec: Avoid integer overflow with huge qlog
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Fixes: integer overflow
Fixes: 22285/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SNOW_fuzzer-5682428762128384
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 38fbf33c72michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
02361a13ef
avcodec/mpeg12dec: Fix got_output
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This makes got_output consistent with the code in slice_end() which sets the output
in slice_end()
if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
int ret = av_frame_ref(pict, s->current_picture_ptr->f);
...
} else {
Fixes: assertion failure
Fixes: 22178/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG1VIDEO_fuzzer-5664234440753152
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 4f33a9803amichael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
13f9cfbf2b
avformat/4xm: Cleanup on GET_LIST_HEADER() failure
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Fixes: memleak
Fixes: 23142/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5932860820422656
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 a5313ce654michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
39806a275e
avformat/mlvdec: fail reading a packet with 0 streams
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Fixes: NULL pointer dereference
Fixes: 22604/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5667739074297856.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 5bd5c31087michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
2d29c01766
avformat/thp: Check compcount
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Fixes: out of array access
Fixes: 22520/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5100297658826752
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 1ba8484559michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
387ba3cb35
avcodec/adpcm: XA: Check shift similar to filter
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Fixes: negative shift
Fixes: 22499/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_XA_fuzzer-5765452130418688
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 6d96bae9c4michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
9b432f0e85
avcodec/huffyuvdec: Test vertical coordinate more often
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Fixes: out of array access
Fixes: 22892/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HYMT_fuzzer-5135996772679680.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 a1223ddc56michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
849affacb2
avcodec/hq_hqa: Check info size
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Fixes: assertion failure
Fixes: 21079/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HQ_HQA_fuzzer-5737046523248640
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 cf28521feemichael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
2c44582d1f
avcodec/wmalosslessdec: Fix integer overflow in mclms_predict()
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Fixes: signed integer overflow: 2147483636 + 2048 cannot be represented in type 'int'
Fixes: 22016/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5109395618004992
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 c42ed06695michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
2383c88baa
avcodec/vp9dsp_template: Fix integer overflow(s) in iadst16_1d()
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Fixes: signed integer overflow: 1080285923 - -1130879337 cannot be represented in type 'int'
Fixes: 22002/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VP9_fuzzer-6260237310099456
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 071e293723michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
6b58eaac4d
avcodec/h264dec: Disable forced small_padding on flag2 fast
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Fixes: 20978/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5746381832847360
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
a317af2deb
avcodec/pnmdec: Use unsigned for maxval rescaling
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Fixes: signed integer overflow: 65535 * 55335 cannot be represented in type 'int'
Fixes: 21955/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PGMYUV_fuzzer-5669206981083136
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 49459aca47michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
9161063248
avcodec/ivi: Clear got_p_frame before decoding a new frame using it
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Fixes: assertion failure
Fixes: 21666/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INDEO4_fuzzer-5706468994318336
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 1d633e6a0amichael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
b35b3dfc25
avcodec/dsddec: Check channels
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Fixes: division by zero
Fixes: 21677/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DSD_MSBF_fuzzer-5712547983654912
Fixes: 21751/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DSD_LSBF_fuzzer-5197097180856320
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 2570a8777emichael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
9fd634161f
avcodec/xvididct: Fix integer overflow in idct_row()
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Fixes: signed integer overflow: -1238335488 + -1003634688 cannot be represented in type 'int'
Fixes: 21649/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-5112005765890048
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 620236e4d2michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
d8a1e0a79e
avcodec/wmalosslessdec: Fix integer overflows in revert_inter_ch_decorr()
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Fixes: signed integer overflow: -717241856 + -1434459904 cannot be represented in type 'int'
Fixes: 21405/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5677143666458624
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit e9a4c4fe99michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
40a039fee4
avformat/mpegenc: Fix integer overflow with AV_NOPTS_VALUE
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Fixes: signed integer overflow: -9223372036854775808 - 45000 cannot be represented in type 'long'
Fixes: ticket8187
Found-by: Suhwan
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 9874815b1amichael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
104e38464b
avformat/aadec: Check toc_size to contain the minimum to demuxer uses
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Fixes: out of array access
Fixes: stack-buffer-overflow-READ-0x0831fff1
Found-by: GalyCannon <galycannon@gmail.com >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit daa2482871michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Dale Curtis
832ae51f9b
avformat/mov: Don't allow negative sample sizes.
...
Signed-off-by: Dale Curtis <dalecurtis@chromium.org >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 2d8d554f15michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Vitaly Buka
72a8f82844
mpeg4videoenc: Don't crash with -fsanitize=bounds
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Also the patch makes this code consistent with mpeg4videodec.c
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit f163d30de2michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
0c914ee968
avcodec/binkaudio: Fix 2Ghz sample_rate
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Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 19950/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BINKAUDIO_DCT_fuzzer-5765514337189888
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Suggested-by: Paul
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit f603d10b1emichael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
40e54383a2
avcodec/adpcm: Fix integer overflow in ADPCM THP
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The reference (thp.txt) uses floats so wrap around would seem incorrect.
Fixes: signed integer overflow: 1073741824 + 1073741824 cannot be represented in type 'int'
Fixes: 20658/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_THP_fuzzer-5646302555930624
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit b12b05374fmichael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
f8da048589
avcodec/ralf: Check num_blocks before use
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Fixes: out of array access
Fixes: 20659/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5739471895265280
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit f0c0471075michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
2a9ed44fe2
avcodec/utvideodec: Fix integer overflow in decode_plane()
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Fixes: signed integer overflow: 2147483594 + 142 cannot be represented in type 'int'
Fixes: 20492/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_UTVIDEO_fuzzer-5658568101724160
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 876cfa67f3michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
186599c86f
avcodec/ralf: Fix integer overflow in decode_block()
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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 0c4330847cmichael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
24f824af86
avcodec/nuv: widen buf_size type
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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 1ac106bf56michael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
8970824856
avcodec/g729postfilter: Clip gain before scaling with AGC_FAC1
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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 82d4c7b95emichael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
Michael Niedermayer
8880343974
avformat/thp: Require a video stream
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The demuxer code assumes the existence of a video stream
Fixes: assertion failure
Fixes: 21512/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5699660783288320
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 97c78caf3emichael@niedermayer.cc >
2020-07-05 12:43:08 +02:00
