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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-28 20:53:54 +02:00
Commit Graph

93223 Commits

Author SHA1 Message Date
Michael Niedermayer
3ce851aab3 avcodec/fits: Check bscale
Fixes: division by 0
Fixes: 26208/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FITS_fuzzer-6270472117026816

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 c2ccd76fd0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:53:29 +02:00
Michael Niedermayer
f608e78016 avformat/nistspheredec: Check bps
Fixes: left shift of 1111111190 by 3 places cannot be represented in type 'int'
Fixes: 26437/clusterfuzz-testcase-minimized-ffmpeg_dem_NISTSPHERE_fuzzer-4886896091856896

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 7c144b363e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:53:29 +02:00
Michael Niedermayer
b7b6f4c557 avformat/jacosubdec: Use 64bit inside get_shift()
Fixes: signed integer overflow: 111111111 * 30 cannot be represented in type 'int'
Fixes: 26448/clusterfuzz-testcase-minimized-ffmpeg_dem_JACOSUB_fuzzer-5638440374501376

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 715ff75e5d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:53:29 +02:00
Michael Niedermayer
a090f4cf0c avformat/genh: Check block_align
Fixes: infinite loop
Fixes: 26440/clusterfuzz-testcase-minimized-ffmpeg_dem_GENH_fuzzer-5632134020333568

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 37396e9ba8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:53:29 +02:00
Michael Niedermayer
afb0664623 avformat/mvi: Check count for overflow
Fixes: left shift of 21378748 by 10 places cannot be represented in type 'int'
Fixes: 26449/clusterfuzz-testcase-minimized-ffmpeg_dem_MVI_fuzzer-5680463374712832

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 a413ed9863)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:53:29 +02:00
Michael Niedermayer
be62e51943 avcodec/magicyuv: Check slice size before reading flags and pred
Fixes: heap-buffer-overflow
Fixes: 26487/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MAGICYUV_fuzzer-5742553675333632

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 0dc42147b6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:53:29 +02:00
Michael Niedermayer
c7fd8744b5 avformat/asfdec_f: Check for negative ext_len
Fixes: Infinite loop
Fixes: 26376/clusterfuzz-testcase-minimized-ffmpeg_dem_PCM_U32LE_fuzzer-6050518830678016
Fixes: 26377/clusterfuzz-testcase-minimized-ffmpeg_dem_TY_fuzzer-4838195726123008
Fixes: 26384/clusterfuzz-testcase-minimized-ffmpeg_dem_G729_fuzzer-5173450337157120
Fixes: 26396/clusterfuzz-testcase-minimized-ffmpeg_dem_PCM_S24BE_fuzzer-5071092206796800

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 209b9ff5c3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:53:29 +02:00
Michael Niedermayer
6cc18dca55 avformat/bethsoftvid: Check image dimensions before use
Fixes: signed integer overflow: 55255 * 53207 cannot be represented in type 'int'
Fixes: 26387/clusterfuzz-testcase-minimized-ffmpeg_dem_AVS2_fuzzer-5684222226071552

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 50b29f081e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:53:29 +02:00
Michael Niedermayer
cb961b2322 avformat/genh: Check block_align for how it will be used in SDX2_DPCM
Fixes: signed integer overflow: 19922944 * 1024 cannot be represented in type 'int'
Fixes: 26402/clusterfuzz-testcase-minimized-ffmpeg_dem_VMD_fuzzer-5745470053548032

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 c95b47e18f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:53:29 +02:00
Michael Niedermayer
5be63051e7 avformat/au: Check for EOF in au_read_annotation()
Fixes: Timeout (too looong -> 1 ms)
Fixes: 26366/clusterfuzz-testcase-minimized-ffmpeg_dem_SDX_fuzzer-5655584843759616
Fixes: 26391/clusterfuzz-testcase-minimized-ffmpeg_dem_ALP_fuzzer-5484026133217280

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 e680d50eb4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:53:29 +02:00
Michael Niedermayer
5aaf7f4646 avformat/segafilm: Do not assume AV_CODEC_ID_NONE is 0
Suggested-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d34e4904cd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:53:29 +02:00
Michael Niedermayer
5fc65636a7 avformat/segafilm: Check that there is a stream
Fixes: assertion failure
Fixes: 26472/clusterfuzz-testcase-minimized-ffmpeg_dem_SEGAFILM_fuzzer-5759751591559168

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 c0d7fd269b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:53:29 +02:00
Michael Niedermayer
0ee0f51886 avformat/wtvdec: Check dir_length
Fixes: Infinite loop
Fixes: 26445/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-5125558331244544

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 1868cb7316)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:53:29 +02:00
Michael Niedermayer
d2cefe21e1 avcodec/decode/ff_get_buffer: Check for overflow in FFALIGN()
Fixes: signed integer overflow: 2147483647 + 64 cannot be represented in type 'int'
Fixes: 26218/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CRI_fuzzer-5734075396259840

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 939b72b02e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
c8c0ed9e2b avcodec/exr: Check limits to avoid overflow in delta computation
Fixes: signed integer overflow: 553590816 - -2145378049 cannot be represented in type 'int'
Fixes: 26315/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5938755121446912
Fixes: 26340/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5644316208529408

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 6910e0f4e5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
253b1ed27e avformat/boadec: Check that channels and block_align are set
Fixes: Infinite loop
Fixes: 26381/clusterfuzz-testcase-minimized-ffmpeg_dem_BOA_fuzzer-5745789089087488

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 44ff5a1bff)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
31517647e5 avformat/asfdec_f: Check name_len for overflow
Fixes: signed integer overflow: -1172299744 * 2 cannot be represented in type 'int'
Fixes: 26258/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5672758488596480

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 0d088a47ca)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
366e5e489d avcodec/h264idct_template: Fix integer overflow in ff_h264_chroma422_dc_dequant_idct()
Fixes: signed integer overflow: 241173056 + 1953511200 cannot be represented in type 'int'
Fixes: 26086/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5068366420901888

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 d198362839)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
92b8c0a8c1 avcodec/aacdec_fixed: Limit index in vector_pow43()
Fixes: out of array access
Fixes: 26087/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5724825462767616

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 4f83a53638)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
75ce842d7c avformat/rmdec: sanity check coded_framesize
Fixes: signed integer overflow: -14671840 * 8224 cannot be represented in type 'int'
Fixes: 24793/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5101884323659776

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 aee8477c6b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
13de14d44d avformat/flvdec: Check for EOF in amf_parse_object()
Fixes: Timeout (too long -> 1ms)
Fixes: 26108/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5653887668977664

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 33624f4f2e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
29dade5fea avcodec/smacker: Check remaining bits in SMK_BLK_FULL
Fixes: out of array access
Fixes: 26047/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SMACKER_fuzzer-5083031667474432

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 42ded4d1e6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
1f8aa084ea avcodec/cook: Check subpacket index against max
Fixes: off by 1 error
Fixes: index 5 out of bounds for type 'COOKSubpacket [5]'
Fixes: 25772/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_COOK_fuzzer-5762459498184704.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 5a2a7604da)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
6778e41252 avcodec/utils: Check for overflow with ATRAC* in get_audio_frame_duration()
Fixes: signed integer overflow: 1024 * 13129048 cannot be represented in type 'int'
Fixes: 26378/clusterfuzz-testcase-minimized-ffmpeg_dem_CODEC2RAW_fuzzer-5634018353348608

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 01bb12f883)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
85cf812442 avcodec/hevcpred_template: Fix diagonal chroma availability in 4:2:2 edge case in intra_pred
Fixes: pixel decode issue.ts
Fixes: raw frame.hevc

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3fbf873792)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
d7fd7eb297 avformat/icodec: Change order of operations to avoid NULL dereference
Fixes: SEGV on unknown address 0x000000000000
Fixes: 26379/clusterfuzz-testcase-minimized-ffmpeg_dem_ICO_fuzzer-5709011753893888

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3300f5c133)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
8bcad00e41 avcodec/exr: Fix overflow with many blocks
Fixes: signed integer overflow: 1073741827 * 8 cannot be represented in type 'int'
Fixes: 25621/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-6304841641754624

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 7265b7d904)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
f2025f4ed7 avcodec/vp9dsp_template: Fix integer overflows in idct16_1d()
Fixes: signed integer overflow: -190760 * 11585 cannot be represented in type 'int'
Fixes: 25471/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VP9_fuzzer-5743354917421056

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 394e8bb385)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
c58f0345b8 avcodec/ansi: Check initial dimensions
Fixes: Timeout (minutes to less than 1sec)
Fixes: 25682/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ANSI_fuzzer-6320712032452608

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 949f0a6be9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
4b6bcdd997 avcodec/hevcdec: Check slice_cb_qp_offset / slice_cr_qp_offset
Fixes: signed integer overflow: 29 + 2147483640 cannot be represented in type 'int'
Fixes: 25413/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5697909331591168

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 106f11f68a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
d859b40bf2 avcodec/sonic: Check for overread
Fixes: Timeout (too long -> 1.3 sec)
Fixes: 24358/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SONIC_fuzzer-5107284099989504

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 eeabdef1bf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
db94bff826 avformat/subviewerdec: fail on AV_NOPTS_VALUE
Such values are not supported by ff_subtitles_queue*

Fixes: signed integer overflow: 10 - -9223372036854775808 cannot be represented in type 'long'
Fixes: 24193/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5714901855895552

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 b7f51428b1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
13a10e107a avcodec/exr: Check line size for overflow
Fixes: signed integer overflow: 570425356 * 6 cannot be represented in type 'int
Fixes: 25929/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5099197739827200

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 9b72cea446)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
8a4aab7f0f avcodec/exr: Check xdelta, ydelta
Fixes: assertion failure
Fixes: 25617/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5648746061496320

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 6949df35d0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
c275fefad9 avcodec/celp_filters: Avoid invalid negation in ff_celp_lp_synthesis_filter()
Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself
Fixes: 25675/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G729_fuzzer-4786580731199488

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 11a6347f9e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:21 +02:00
Michael Niedermayer
dc12287307 avcodec/takdsp: Fix negative shift in decorrelate_sf()
Fixes: left shift of negative value -4
Fixes: 25723/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TAK_fuzzer-6250580752990208

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 4f54f53003)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:20 +02:00
Michael Niedermayer
d8359218a2 avcodec/dxtory: Fix negative stride shift in dx2_decode_slice_420()
Fixes: left shift of negative value -640
Fixes: 26044/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXTORY_fuzzer-5631057602543616

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 3291d994b7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:20 +02:00
Michael Niedermayer
6bbc565af8 avformat/asfdec_f: Change order or operations slightly
Fixes: signed integer overflow: 20 * 5184056935931942919 cannot be represented in type 'long'
Fixes: 25466/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4798660247552000

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 686f015190)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:20 +02:00
Michael Niedermayer
5a86c28a73 avformat/dxa: Use av_rescale() for duration computation
Fixes: signed integer overflow: 8224000000 * 1629552639 cannot be represented in type 'long'
Fixes: 24908/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4658478506049536

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 c313089fbe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:20 +02:00
Michael Niedermayer
cb6cdd3f84 avcodec/vc1_block: Fix integer overflow in ac value
Fixes: signed integer overflow: 25488 * 87381 cannot be represented in type 'int'
Fixes: 24765/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1_fuzzer-5108259565076480

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 3056e19e68)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:20 +02:00
Michael Niedermayer
c242e3efe0 avformat/iff: Check data_size not overflowing int64
Fixes: Infinite loop
Fixes: 25844/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5660803318153216

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 24352ca792)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:20 +02:00
Michael Niedermayer
8b84fcb78f avcodec/dxtory: Fix negative shift in dx2_decode_slice_410()
Fixes: left shift of negative value -768
Fixes: 25574/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXTORY_fuzzer-6012596027916288

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 abebd87764)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:20 +02:00
Michael Niedermayer
91f7983a89 avcodec/sonic: Check channels before deallocating
Fixes: heap-buffer-overflow
Fixes: 25744/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SONIC_fuzzer-5172961169113088

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 f249981976)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:20 +02:00
Michael Niedermayer
b81d1379c2 avformat/wvdec: Check rate for overflow
Fixes: signed integer overflow: 6000 * -2147483648 cannot be represented in type 'int'
Fixes: 25700/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6578316302352384

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 688c1175ba)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:20 +02:00
Michael Niedermayer
f4d75810b4 avcodec/ansi: Check nb_args for overflow
Fixes: Integer overflow (no testcase)

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bc0e776c9a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:20 +02:00
Michael Niedermayer
124a433d15 avformat/wc3movie: Move wc3_read_close() up
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0c635f2ce6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:20 +02:00
Michael Niedermayer
6afbda6ce8 avcodec/diracdsp: Fix integer anomaly in dequant_subband_*
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: 23760/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-604209011412172

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 ca3c6c981a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:20 +02:00
Michael Niedermayer
d3bbc76f8e avutil/fixed_dsp: Fix integer overflows in butterflies_fixed_c()
Fixes: signed integer overflow: 0 - -2147483648 cannot be represented in type 'int'
Fixes: 23646/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5480991098667008

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 4a02ae49c2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:20 +02:00
Michael Niedermayer
2fee883f52 avcodec/wmalosslessdec: Check remaining space before padding and channel residue
Fixes: Timeout (1101sec -> 0.4sec)
Fixes: 24491/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5725337036783616

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 c467adf3bf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:20 +02:00
Michael Niedermayer
b9c0480f17 avformat/cdg: Fix integer overflow in duration computation
Fixes: signed integer overflow: 8398407 * 300 cannot be represented in type 'int'
Fixes: 23914/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4702539290509312

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 aa8935b395)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:37:20 +02:00