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Author SHA1 Message Date
Michael Niedermayer
1aa91dc78f tools/cws2fws: Check read() for failure 
Fixes: CID1452579 Argument cannot be negative

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0b3cdd7cc2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
26cd140d0c avcodec/cpia: Fix missing src_size update 
Fixes: out of array read
Fixes: 35210/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CPIA_fuzzer-5669199688105984

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 cea05864e6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
39cf28ffd6 avformat/rmdec: Check old_format len for overflow 
Maybe such large values could be disallowed earlier and closer to where
they are set.

Fixes: signed integer overflow: 538976288 * 8224 cannot be represented in type 'int'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_RM_fuzzer-6704350354341888

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 06d174e289)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
1bab818597 avformat/realtextdec: Check the pts difference before using it for the duration computation 
Fixes: signed integer overflow: 5404200000 - -9223372031709351616 cannot be represented in type 'long'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_REALTEXT_fuzzer-6737340551790592

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 fe12aa6890)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
cfd53ab2e9 avformat/qcp: Avoid negative nb_rates 
Fixes: signed integer overflow: 2 * -1725947872 cannot be represented in type 'int'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_QCP_fuzzer-6726807632084992

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 1b865cc703)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
84b8d62f8f avformat/nutdec: Check tmp_size 
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_NUT_fuzzer-6739990530883584

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 1ca00b5e44)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
dbe314da36 avformat/mpc8: Check for position overflow in mpc8_handle_chunk() 
Fixes: signed integer overflow: 15 + 9223372036854775796 cannot be represented in type 'long'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_MPC8_fuzzer-6723520756318208
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_MPC8_fuzzer-6739833034768384

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 8ef25d1182)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
aac9aa0130 avformat/dxa: Check fps to be within the supported range more precissely 
Fixes: negation of -2147483648 cannot be represented in type 'int32_t' (aka 'int'); cast to an unsigned type to negate this value to itself
Fixes: assertion failure
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_DXA_fuzzer-6744985740378112

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 6ea494befc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
5023d4e66b avformat/tta: Check for EOF in index reading loop 
Fixes: OOM
Fixes: 33585/clusterfuzz-testcase-minimized-ffmpeg_dem_TTA_fuzzer-4564665830080512

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 b72d657b73)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
55a8cc1c1b Update missed irc links 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c067d20177)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
a995a24c1d avformat/rpl: The associative law doesnt hold for signed integers in C 
Add () to avoid undefined behavior
Fixes: signed integer overflow: 9223372036854775790 + 57 cannot be represented in type 'long'
Fixes: 34983/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-5765822923538432

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 480f11bdd7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
38bbe6762b avcodec/faxcompr: Check available bits in decode_uncompressed() 
Fixes: Timeout
Fixes: 34950/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-5686764151898112
Fixes: 34966/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-4587409334468608

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 ff56c139e0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
7d575feadf avcodec/faxcompr: Check if bits are available before reading in cmode == 9 || cmode == 10 
Fixes: Timeout
Fixes: 34950/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-5686764151898112

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 7d8421e3d5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
86c5a34b7a avcodec/ttadata: Add sentinel at the end of ff_tta_shift_1 
Fixes: out of array access
Fixes: 34933/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TTA_fuzzer-5629322560929792

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 dbbcfbcc4e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
291ebdfc72 avformat/rpl: Check for EOF and zero framesize 
Fixes: Infinite loop
Fixes: 34751/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-5439330800762880
Fixes: 34774/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-5851571660390400

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 a0a4a527c3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
c9abe2d411 avcodec/svq1enc: Do not print debug RD value before it has been computed 
Avoids floating point division by 0

Fixes: Ticket8191

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c297f7e57a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
f590e7b738 avcodec/aacpsy: Check bandwidth 
Fixes: Ticket8011

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 36dead4bc2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
bc5dde5ec0 avfilter/vf_yadif: Fix handing of tiny images 
Fixes: out of array access
Fixes: Ticket8240
Fixes: CVE-2020-22021

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7971f62120)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bb08ee0c6fb7bdebd37cbf00aefed206909e8f78)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
6a69e7a2cb avformat/cinedec: Fix index_entries size check 
Fixes: out of array access
Fixes: 29868/clusterfuzz-testcase-minimized-ffmpeg_dem_CINE_fuzzer-5692001957445632

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
a335ce4de0 avcodec/lpc: Avoid floating point division by 0 
Fixes: Ticket7996
Fixes: CVE-2020-20445

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 38d18fb578)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
287323027e avcodec/aacpsy: Avoid floating point division by 0 of norm_fac 
Fixes: Ticket7995
Fixes: CVE-2020-20446

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 223b5e8ac9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
af725c3b36 avcodec/exr: x/ymax cannot be INT_MAX 
The code uses x/ymax + 1 so the maximum is INT_MAX-1

Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 33158/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5545462457303040

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 48342aa075)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
b9792b3171 avcodec/faxcompr: Check for end of bitstream in decode_group3_1d_line() and decode_group3_2d_line() 
Fixes: infinite loop
Fixes: 33674/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-4816457818046464

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 08d2df4153)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
675c3942ea avcodec/utils: treat PAL8 for jpegs similar to other colorspaces 
Fixes: out of array access
Fixes: 33713/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-5778775641030656
Fixes: 33717/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEGLS_fuzzer-4960397238075392
Fixes: 33718/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SMVJPEG_fuzzer-5314270096130048.fuzz
Fixes: 33719/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-5352721864589312
Fixes: 33721/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THP_fuzzer-5938892055379968

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f0ce023ddb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
738ddf021d avcodec/jpeglsdec: Set alpha plane in PAL8 so image is not 100% transparent 
Fixes: tickets/3933/128.jls

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 011006874c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
f9e58ec834 avformat/id3v2: Check end for overflow in id3v2_parse() 
Fixes: signed integer overflow: 9223372036840103978 + 67637280 cannot be represented in type 'long'
Fixes: 33341/clusterfuzz-testcase-minimized-ffmpeg_dem_DSF_fuzzer-6408154041679872

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 efdb564504)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
e8f5968d4f avformat/wtvdec: Improve size overflow checks in parse_chunks() 
Fixes: signed integer overflow: 32 + 2147483647 cannot be represented in type 'int
Fixes: 32967/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-5132856218222592

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f8ec1da8ac)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
a8408f5ca2 avcodec/faxcompr: Check remaining bits on error in decode_group3_1d_line() 
Fixes: Timeout
Fixes: 32886/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-4779761466474496

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7b3881f0da)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
af78179b4d avcodec/dpx: Check bits_per_color earlier 
Fixes: shift exponent 251 is too large for 32-bit type 'int'
Fixes: 32147/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DPX_fuzzer-5519111675314176

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c093eb3031)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
0b2d4997ba avcodec/pnm_parser: Check image size addition for overflow 
Fixes: assertion failure
Fixes: out of array access
Fixes: 32664/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PGMYUV_fuzzer-6533642202513408.fuzz
Fixes: 32669/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PGMYUV_fuzzer-6001928875147264

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 79ac8d5546)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
dae4efc282 avcodec/mpegvideo: Update chroma_?_shift in ff_mpv_common_frame_size_change() 
Fixes: out of array access
Fixes: 31201/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-4627865612189696.fuzz

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 87d87e6587)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
718c64f03b avformat/mov: Ignore multiple STSC / STCO 
Fixes: STSC / STCO inconsistency and assertion failure
Fixes: crbug1184666.mp4

Found-by: Chromium ASAN fuzzer
Reviewed-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2611d20d35)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
59ec9f802f avformat/utils: Extend overflow check in dts wrap in compute_pkt_fields() 
Fixes: signed integer overflow: -9223372032574480351 - 4294967296 cannot be represented in type 'long long'
Fixes: 30022/clusterfuzz-testcase-minimized-ffmpeg_dem_KUX_fuzzer-5568610275819520

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 b37ff29e0e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
17811e6d40 avfilter/vf_scale: Fix adding 0 to NULL (which is UB) in scale_slice() 
Found-by: Jeremy Leconte <jleconte@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1cf96ce269)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
f2291bace2 avutil/common: Add FF_PTR_ADD() 
Suggested-by: Andreas Rheinhardt
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 522a5259e9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
b7af5a77dd avformat/wtvdec: Check size in SBE2_STREAM_DESC_EVENT / stream2_guid 
Fixes: signed integer overflow: 539033600 - -1910497124 cannot be represented in type 'int'
Fixes: 30928/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-5922630966312960

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 1f74661543)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
1b117fb91d avformat/cafdec: Do not build an index if all packets are the same 
Fixes: Timeout
Fixes: 28214/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-6495999421579264

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 ea12590c8e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
3fb27daa32 avcodec/sonic: Use unsigned temporary in predictor_calc_error() 
Fixes: signed integer overflow: -2147471366 - 18638 cannot be represented in type 'int'
Fixes: 30157/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SONIC_fuzzer-5171199746506752

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 075d793ba8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
fc191eeafe avformat/flvdec: Check array entry number 
Fixes: signed integer overflow: -2147483648 - 1 cannot be represented in type 'int'
Fixes: 30209/clusterfuzz-testcase-minimized-ffmpeg_dem_FLV_fuzzer-5724831658147840

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 b5d8fe1c87)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
3ca8acfe2d avformat/movenc: Avoid loosing cluster array on failure 
Fixes: crash
Fixes: check_pkt.mp4

Found-by: Rafael Dutra <rafael.dutra@cispa.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5c2ff44f91)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
1414037c8c avformat/avidec: Check for dv streams before using priv_data in parse ##dc/##wb 
Fixes: null pointer dereference
Fixes: 31588/clusterfuzz-testcase-minimized-ffmpeg_dem_AVI_fuzzer-6165716135968768

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 f733688d30)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
d8893f31bd avcodec/ffwavesynth: Avoid signed integer overflow in phi_at() 
Fixes: signed integer overflow: 2314885530818453536 - -9070214327174160352 cannot be represented in type 'long'
Fixes: 31000/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-6558389742206976

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit be08b84f8b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
982d3fc550 avcodec/mpeg4videoenc: Check extradata malloc() 
Fixes: Null pointer dereference
Fixes: any mpeg4 testcase which fails the malloc at that exact spot

Found-by: Rafael Dutra <rafael.dutra@cispa.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 33a1687bf6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
1fe0b12adc avcodec/jpegls: Check A[Q] for overflow in ff_jpegls_update_state_regular() 
Fixes: Timeout
Fixes: 30912/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-5556235476795392

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8a3fea802a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
f3a82afec9 avutil/timecode: Avoid fps overflow 
Fixes: Integer overflow and division by 0
Fixes: poc-202102-div.mov

Found-by: 1vanChen of NSFOCUS Security Team
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c94875471e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
c09a3b10cd avformat/mvi: Check audio size for more overflows 
Fixes: left shift of negative value -352256000
Fixes: 30837/clusterfuzz-testcase-minimized-ffmpeg_dem_MVI_fuzzer-5755626262888448

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 403b35e16e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
cf0317b94f avcodec/ffv1dec: Check if trailer is available 
Fixes: out of array read
Fixes: 29750/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFV1_fuzzer-4808377272238080.fuzz

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 36ad2f41e3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
fb5c015e7b avcodec/4xm: Check pre_gb in decode_i_block() 
Fixes: Timeout
Fixes: 31257/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5150866229297152

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b87781649e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
9f720b6471 avformat/flvdec: Check double before cast in parse_keyframes_index() 
Fixes: -2.21166e+304 is outside the range of representable values of type 'long'
Fixes: 29169/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5725452796821504

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 09e5e406c7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00
Michael Niedermayer
4f1415bf8b avformat/paf: Check for EOF before allocation in read_header() 
Fixes: OOM
Fixes: 26584/clusterfuzz-testcase-minimized-ffmpeg_dem_PAF_fuzzer-5172661183053824

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 bcb1e9d3b9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-17 21:34:53 +02:00