Michael Niedermayer
abf9627f70
avcodec/g729dec: Avoid computing invalid temporary pointers for ff_acelp_weighted_vector_sum()
...
Fixes: Ticket8176
Reviewed-by: Paul B Mahol <onemda@gmail.com >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 2c78a76cb0michael@niedermayer.cc >
2021-10-31 19:05:00 +01:00
Michael Niedermayer
a19bed14d6
avcodec/flac_parser: Consider AV_INPUT_BUFFER_PADDING_SIZE
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Fixes: out if array read
Fixes: 40109/clusterfuzz-testcase-minimized-ffmpeg_dem_FLAC_fuzzer-4805686811295744
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Mattias Wadman <mattias.wadman@gmail.com >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
2021-10-22 22:49:44 +02:00
Michael Niedermayer
d57898b74b
avcodec/ttadsp: Fix integer overflows in tta_filter_process_c()
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Fixes: signed integer overflow: 822841647 + 1647055738 cannot be represented in type 'int'
Fixes: 39935/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TTA_fuzzer-4592657142251520
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 f24028c798michael@niedermayer.cc >
2021-10-21 15:26:19 +02:00
Michael Niedermayer
5a514d8e9b
avcodec/apedec: Use 64bit to avoid overflow
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Fixes: runtime error: signed integer overflow: 727298502 * 3 cannot be represented in type 'int'
Fixes: 39172/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-638602483033702
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 f059b56195michael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
8a904d1475
avcodec/apedec: Fix undefined integer overflow in long_filter_ehigh_3830()
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Fixes: signed integer overflow: -2145648640 - 3357696 cannot be represented in type 'int'
Fixes: 38899/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5358815017566208
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 ad517ee6e4michael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
608bed85d0
avcodec/mxpegdec: Check for AVDISCARD_ALL
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Fixes: Fixes NULL pointer dereference
Fixes: 36610/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MXPEG_fuzzer-6052641783283712
Fixes: 37907/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MXPEG_fuzzer-4725170850365440
Fixes: 37904/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MXPEG_fuzzer-6367889262247936
Fixes: 38085/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MXPEG_fuzzer-5175270823297024
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 20afd3a63amichael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
aee47eb6e2
avcodec/flicvideo: Check remaining bytes in FLI*COPY
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Fixes: Timeout
Fixes: 37795/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FLIC_fuzzer-4846536543043584
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 5f835efbcamichael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
2d766961b0
avcodec/mpeg12dec: Do not put mpeg_f_code into an invalid state on error return
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Fixes: invalid shift
Fixes: 37018/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG2VIDEO_fuzzer-5290280902328320
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 5a95abcce4michael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
4c6e3e4cf7
avcodec/apedec: Fix integer overflow in intermediate
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Fixes: signed integer overflow: 559334865 * 4 cannot be represented in type 'int'
Fixes: 37929/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-6751932295806976
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 90da43557fmichael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
James Almer
94551f3197
avcodec/utils: don't return negative values in av_get_audio_frame_duration()
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In some extrme cases, like with adpcm_ms samples with an extremely high channel
count, get_audio_frame_duration() may return a negative frame duration value.
Don't propagate it, and instead return 0, signaling that a duration could not
be determined.
Fixes ticket #9312
Signed-off-by: James Almer <jamrial@gmail.com >
(cherry picked from commit e01d306c64michael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
891bf1f8ad
avcodec/jpeg2000dec: Check that atom header is within bytsetream
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Fixes: Infinite loop
Fixes: 36666/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5912760671141888
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 3c659f8618michael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
e6565c33a1
avcodec/apedec: Fix 2 integer overflows in filter_3800()
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Fixes: signed integer overflow: 1683879955 - -466265224 cannot be represented in type 'int'
Fixes: 37419/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-6074294407921664
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 33feb527ffmichael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
a526545554
avcodec/mjpegdec: Check for bits left in mjpeg_decode_scan_progressive_ac()
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Fixes: Timeout
Fixes: 36262/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEGLS_fuzzer-4969052454912000
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 909faca929michael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
41d43bf610
avcodec/webp: Check available space in loop in decode_entropy_coded_image()
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Fixes: Timeout
Fixes: 35401/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WEBP_fuzzer-5714401821851648
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 5e00eab611michael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
3b8f82d437
avcodec/vc1dec: ff_print_debug_info() does not support WMV3 field_mode
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Fixes: out of array read
Fixes: 36331/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3_fuzzer-5140494328922112.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 c59b5e3d1emichael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
492318cb65
avcodec/frame_thread_encoder: Free AVCodecContext structure on error during init
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Fixes: MemLeak
Fixes: 8281
Fixes: PoC_option158.jpg
Fixes: CVE-2020-22037
Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 7bba0dd638michael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
161750d194
avcodec/faxcompr: Check for end of input in cmode == 1 in decode_group3_2d_line()
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Fixes: Infinite loop
Fixes: 35591/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-4503764022198272
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 f803635c4fmichael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
5b2d8401a5
avcodec/vc1dec: Disable error concealment for *IMAGE
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The existing error concealment makes no sense for the image formats, they
use transformed source images which is different from keyframe + MC+difference
for which the error concealment is designed.
Of course feel free to re-enable this if you have a case where it works and
improves vissual results
Fixes: Timeout
Fixes: 36234/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-6300306743885824
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 643b2d49bfmichael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
bd071f6ee0
avcodec/sbrdsp_fixed: Fix negation overflow in sbr_neg_odd_64_c()
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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: 35593/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5182217725804544
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 8f2856a1damichael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
957d98934d
avcodec/aaccoder: Add minimal bias in search_for_ms()
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Fixes: floating point division by 0
Fixes: Ticket8218
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 75a099fc73michael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
maryam ebr
eeda5a1bd4
avcodec/dnxhddec: check and propagate function return value
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Similar to CVE-2013-0868, here return value check for 'init_vlc' is needed.
crafted DNxHD data can cause unspecified impact.
Reviewed-by: Paul B Mahol <onemda@gmail.com >
Signed-off-by: James Almer <jamrial@gmail.com >
(cherry picked from commit 7150f95756michael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
a44e327a89
avcodec/lpc: check for zero err in normalization in compute_lpc_coefs()
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Fixes: floating point division by 0
Fixes: Ticket8213
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 70874e024amichael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
3fc0ffdf4f
avcodec/cpia: Fix missing src_size update
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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 cea05864e6michael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
ff1bb8ce6b
avcodec/utils: Use 64bit for intermediate in AV_CODEC_ID_ADPCM_THP* duration calculation
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Fixes: signed integer overflow: 486539264 * 14 cannot be represented in type 'int'
Fixes: 35281/clusterfuzz-testcase-minimized-ffmpeg_dem_RSD_fuzzer-6068262742917120
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 00ae9b77efmichael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
41035de57e
avcodec/iff: Only write palette to plane 1 if its PAL8
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Fixes: null pointer passed as argument 1, which is declared to never be null
Fixes: 33791/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5107575256383488.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 216eb60b85michael@niedermayer.cc >
2021-10-09 22:02:21 +02:00
Michael Niedermayer
219839f311
avcodec/faxcompr: Check available bits in decode_uncompressed()
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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 ff56c139e0michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
1eaabed791
avcodec/faxcompr: Check if bits are available before reading in cmode == 9 || cmode == 10
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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 7d8421e3d5michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
222fc50dbb
avcodec/utils: do "calc from frame_bytes, channels, and block_align" in 64bit
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Fixes: signed integer overflow: 104962766 * 32 cannot be represented in type 'int'
Fixes: 33614/clusterfuzz-testcase-minimized-ffmpeg_dem_RSD_fuzzer-6252129036664832
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 3447979d08michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
a393000d6d
avcodec/ttadata: Add sentinel at the end of ff_tta_shift_1
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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 dbbcfbcc4emichael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
6bb993761e
avcodec/vc2enc: Check for non negative slice bounds
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Fixes: invalid shifts
Fixes: Ticket 8221
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit f7862e8268michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
0a0fc56d14
avcodec/svq1enc: Do not print debug RD value before it has been computed
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Avoids floating point division by 0
Fixes: Ticket8191
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit c297f7e57amichael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
799c7b73d8
avcodec/aacpsy: Check bandwidth
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Fixes: Ticket8011
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 36dead4bc2michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
00a14cfeb2
avcodec/aacenc: Do not divide by lambda_count if it is 0
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Avoids Floating point division by 0
Fixes: Ticket8011
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit c520b98691michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
162f4df07b
avcodec/aacenc: Use FLT_EPSILON for lambda minimum
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(cherry picked from commit 4b89cf7aa4michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
a6dc7ba0ec
avcodec/lpc: Avoid floating point division by 0
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Fixes: Ticket7996
Fixes: CVE-2020-20445
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 38d18fb578michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
f5d0848098
avcodec/aacpsy: Avoid floating point division by 0 of norm_fac
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Fixes: Ticket7995
Fixes: CVE-2020-20446
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 223b5e8ac9michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
d6737266a9
avcodec/aacenc: Avoid 0 lambda
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Fixes: Ticket8003
Fixes: CVE-2020-20453
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit a7a7f32c8amichael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
68d77a5580
avcodec/exr: x/ymax cannot be INT_MAX
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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 48342aa075michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
9c85898056
avcodec/vc1: Check remaining bits in ff_vc1_parse_frame_header()
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Fixes: Timeout
Fixes: 33156/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3_fuzzer-6259655027326976
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 38c4761588michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
6838715c82
avcodec/faxcompr: Check for end of bitstream in decode_group3_1d_line() and decode_group3_2d_line()
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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 08d2df4153michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
8fd09b2f34
avcodec/utils: treat PAL8 for jpegs similar to other colorspaces
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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 f0ce023ddbmichael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
241b505b0c
avcodec/jpeglsdec: Set alpha plane in PAL8 so image is not 100% transparent
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Fixes: tickets/3933/128.jls
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 011006874cmichael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
0ccbac1ee8
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 7b3881f0damichael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
facc1ef12b
avcodec/utils: Check ima wav duration for overflow
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Fixes: signed integer overflow: 44331634 * 65 cannot be represented in type 'int'
Fixes: 32120/clusterfuzz-testcase-minimized-ffmpeg_dem_RSD_fuzzer-5760221223583744
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 f40e9b1355michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
3f69b4640f
avcodec/dpx: Check bits_per_color earlier
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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 c093eb3031michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
57685d44ee
avcodec/pnm_parser: Check image size addition for overflow
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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 79ac8d5546michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
eca0a942ea
avcodec/h264_slice: Check input SPS in ff_h264_update_thread_context()
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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 ceae92cb29michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
c5a26f4511
avcodec/mpegvideo: Update chroma_?_shift in ff_mpv_common_frame_size_change()
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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 87d87e6587michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
5079967d37
avcodec/sonic: Use unsigned temporary in predictor_calc_error()
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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 075d793ba8michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
Michael Niedermayer
698d23aebf
avcodec/h264_slice: Check sps in h264_slice_header_init()
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Fixes: null pointer dereference
Fixes: h264_slice_header_init.mp4
Found-by: Rafael Dutra <rafael.dutra@cispa.de >
Tested-by: Rafael Dutra <rafael.dutra@cispa.de >
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
(cherry picked from commit 8047243899michael@niedermayer.cc >
2021-10-09 22:02:20 +02:00
