76803 Commits

Author SHA1 Message Date
Michael Niedermayer
5355599933
avformat/id3v2: read_uslt() check for the amount read
Fixes: timeout
Fixes: 66783/clusterfuzz-testcase-minimized-ffmpeg_dem_GENH_fuzzer-5356884892647424

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 c0f4abe2aa0117a10fb651f2c1c030d4cd516081)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-03-26 20:11:45 +01:00
Michael Niedermayer
b9ea7b3449
avcodec/proresenc_kostya: Remove bug similarity text
According to kostya, it is not based on Wassermans encoder

CC: Kostya Shishkov <kostya.shishkov@gmail.com>
CC: Anatoliy Wasserman <anatoliy.wasserman@yandex.ru>

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e0e30e07a1755c4f7829f64d35dc07e399c02c6e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-03-26 20:09:11 +01:00
Michael Niedermayer
c9ccd045e1
avcodec/vorbisdec: Check remaining data in vorbis_residue_decode_internal()
Fixes: timeout
Fixes: 66326/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VORBIS_fuzzer-6295291863040000

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 dc89cf804a811c0d25f4649a99f7fab4b5b416fa)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-03-26 20:07:52 +01:00
Michael Niedermayer
7d3c0fbfba
libswscale/utils: Fix bayer to yuvj
Fixes: out of array access.

Earlier code assumes that a unscaled bayer to yuvj420 converter exists
but the later code then skips yuvj420

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e9cc9e492f987ce23ce8c514258a17952dd20401)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-03-26 20:05:26 +01:00
Michael Niedermayer
b4a7c55f79
swscale/swscale: Check srcSliceH for bayer
Fixes: Assertion srcSliceH > 1 failed at libswscale/swscale_unscaled.c:1359
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 64098d0cd8ab1d27f78a335ca684f00a419b2160)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-03-26 18:52:32 +01:00
Michael Niedermayer
4f7d68172b
swscale/utils: Allocate more dithererror
Fixes: out of array read
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 18f26f8a2f8dc3b9ec3ac3ab8e03fce15cc8c88d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-03-26 18:46:54 +01:00
Michael Niedermayer
5f82c962b6
avcodec/indeo3: Round dimensions up in allocate_frame_buffers()
Fixes: Ticket6581

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3be80ce299d0073118ae42f5d99c14f912751d93)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-03-26 18:34:00 +01:00
Michael Niedermayer
e166a77c0d
avcodec/mpegvideo_enc: Use ptrdiff_t for stride
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e063c1d079086150580ed7a9ad076da122e27f76)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-03-26 04:16:47 +01:00
Michael Niedermayer
f2d5d1d138
avcodec/mpegvideo_enc: Dont copy beyond the image
Fixes: out of array access
Fixes: tickets/10754/poc17ffmpeg

Discovered by Zeng Yunxiang.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a066b8a809fa6d8b31398d41787822803f8762f2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-30 22:15:44 +01:00
Michael Niedermayer
367670b387
avformat/flacdec: Avoid double AVERRORS
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 029294ff541c9c85092f81dd45f18081d234f0d5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-29 23:10:26 +01:00
Michael Niedermayer
77fbef0fdd
avfilter/vf_vidstabdetect: Avoid double AVERRORS
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bb04235d728a2b85d6cbe14dd60184faa932c855)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-29 23:09:19 +01:00
Michael Niedermayer
e08f712507
avfilter/vf_gradfun: Do not overread last line
The code works in steps of 2 lines and lacks support for odd height
Implementing odd height support is better but for now this fixes the
out of array access

Fixes: out of array access
Fixes: tickets/10702/poc6ffmpe

Found-by: Zeng Yunxiang
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e4d2666bdc3dbd177a81bbf428654a5f2fa3787a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-29 02:37:15 +01:00
Michael Niedermayer
897d4303be
avformat/mov: do not set sign bit for chunk_offsets
Fixes: signed integer overflow: 2314885530818453536 - -7412889664301817824 cannot be represented in type 'long'
Fixes: 64296/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-6304027146846208

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 cfc0a68d4d3192779e356a852e71b8218e7a00ab)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-29 02:29:46 +01:00
Michael Niedermayer
29ea598214
avcodec/jpeglsdec: Check Jpeg-LS LSE
Fixes: signed integer overflow: 2147478526 + 33924 cannot be represented in type 'int'
Fixes: shift exponent 32 is too large for 32-bit type 'unsigned int'
Fixes: 64243/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEGLS_fuzzer-5195717848989696

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 c72a20f01a6122e1832f73801ea5f54b188abea3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-29 02:26:35 +01:00
Brad Smith
84535c7b0a
configure: Enable section_data_rel_ro for FreeBSD and NetBSD aarch64 / arm
Fixes the build. It's a requirement when utilizing PIE.

Signed-off-by: Brad Smith <brad@comstyle.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6066c430e33b4cbf5dc8ff8b3a6d149f51d20300)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-26 00:18:56 +01:00
Michael Niedermayer
d459dfaf01
avformat/mov: Ignore duplicate ftyp
Fixes: switch_1080p_720p.mp4
Found-by: Dale Curtis <dalecurtis@chromium.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4cdf2c7f768015c74078544d153f243b6d9b9ac5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-15 00:21:39 +01:00
Martin Storsjö
3d80573367
seek: Fix crashes in ff_seek_frame_binary if built with latest Clang 14
Passing an uninitialized variable as argument to a function is
undefined behaviour (UB). The compiler can assume that UB does not
happen.

Hence, the compiler can assume that the variables are never
uninitialized when passed as argument, which means that the codepaths
that initializes them must be taken.

In ff_seek_frame_binary, this means that the compiler can assume
that the codepaths that initialize pos_min and pos_max are taken,
which means that the conditions "if (sti->index_entries)" and
"if (index >= 0)" can be optimized out.

Current Clang git versions (upcoming Clang 14) enabled an optimization
that does this, which broke the current version of this function
(which intentionally left the variables uninitialized, but silencing
warnings about being uninitialized). See [1] for discussion on
the matter.

[1] https://reviews.llvm.org/D105169#3069555

Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit ab792634197e364ca1bb194f9abe36836e42f12d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-11-16 23:52:44 +01:00
Michael Niedermayer
b8d9c50129
avcodec/4xm: Check for cfrm exhaustion
Fixes: index -1 out of bounds for type 'CFrameBuffer [100]'
Fixes: 63877/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5854263397711872

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 bb0a684d93f793457f7bff3940a1398eb9e91703)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-11-10 00:25:52 +01:00
Michael Niedermayer
b429697db1
avformat/mov: Disallow FTYP after streams
Fixes: Assertion !c->fc->nb_streams failed at libavformat/mov.c:7799
Fixes: 63875/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5479178702815232

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 19fcf4313148e86aa47d81a8d5d5e8d056f1f906)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-11-10 00:24:33 +01:00
Andreas Rheinhardt
25b3a5ef00
avformat/matroskadec: Fix declaration-after-statement warnings
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
(cherry picked from commit 37b5f4a1f6a9c7c8f3620c6b1f7f2b0bb997e5d7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
n2.8.22
2023-10-29 01:24:48 +02:00
Michael Niedermayer
a7ec25b704
Changelog: update 2023-10-29 00:34:44 +02:00
Michael Niedermayer
05c702a0cf
avformat/rtsp: Use rtsp_st->stream_index
Fixes: out of array access
Fixes: rtpdec_h264.c149/poc

Found-by: Hardik Shah of Vehere
Reviewed-by: Martin Storsjö <martin@martin.st>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e4d5ac8d7d2a08658b3db7dd821246fe6b35381f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-28 19:00:56 +02:00
Michael Niedermayer
7ffdd2be6a
avcodec/jpeg2000dec: Check image offset
Fixes: left shift of negative value -538967841
Fixes: 62447/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-6427134337613824

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Tomas Härdin <git@haerdin.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 88453250dbe952e85899d04867914ef95785530e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-28 18:59:15 +02:00
Michael Niedermayer
8ba64279ce
Update for FFmpeg 2.8.22
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-19 13:14:33 +02:00
Michael Niedermayer
1459e82b1c
avcodec/xvididct: Make c* unsigned to avoid undefined overflows
Fixes: signed integer overflow: 1496950099 + 728014168 cannot be represented in type 'int'
Fixes: 62667/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEGB_fuzzer-6511785170305024

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 f7e5537dc1ff2f45a6e4c98091f15e60c3647cfc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-19 12:34:19 +02:00
Michael Niedermayer
e240d30174
avformat/tmv: Check video chunk size
This check matches the audio chunk check

Fixes: Timeout
Fixes: 62681/clusterfuzz-testcase-minimized-ffmpeg_dem_TMV_fuzzer-5299107876700160

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 b79fc7059600b28dce392fc20e5c8bd554c2fc95)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-19 12:31:44 +02:00
Michael Niedermayer
bd7a703e94
avformat/matroskadec: Check prebuffered_ns for overflow
Fixes: signed integer overflow: 9223372036630775808 + 1000000000 cannot be represented in type 'long'
Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_dem_WEBM_DASH_MANIFEST_fuzzer-5406131992526848

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 2d6df3719dd4f75b40cdf25a02f3f075b76ed045)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-19 12:30:00 +02:00
Michael Niedermayer
c731c8ce95
avformat/wavdec: Check left avio_tell for overflow
Fixes: signed integer overflow: 155 + 9223372036854775655 cannot be represented in type 'long'
Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_dem_W64_fuzzer-5364032278495232

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 929ddef3f40102d6a84cfa17ed7c7ffebcf8236e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-19 12:29:16 +02:00
Michael Niedermayer
eddc8a2da6
avformat/tta: Better totalframes check
Fixes: signed integer overflow: 4 * 740491135 cannot be represented in type 'int'
Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_dem_TTA_fuzzer-6298893367508992

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 5f0d00464a50994de0993e045e09313ca8d7cc8f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-19 12:28:13 +02:00
Michael Niedermayer
4c295a05a3
avformat/rpl: Check for number_of_chunks overflow
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int32_t' (aka 'int')
Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-6086131095830528

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 b3c973acbecb879d4949fecdadd2fdfc08dea42b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-19 12:27:14 +02:00
Michael Niedermayer
8373b84fff
avformat/jacosubdec: Check timeres
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 51f0ab8b127282415822959ccad7db95ad749b5d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-19 12:24:36 +02:00
Michael Niedermayer
43949192e4
avcodec/escape124: Do not return random numbers
Fixes: out of array access
Fixes: 62164/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ESCAPE124_fuzzer-6035022714634240
Fixes: 62164/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ESCAPE124_fuzzer-6422176201572352

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 fe6d46490f5ea9155fe0601b6246960ae17317fc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-19 12:22:21 +02:00
Michael Niedermayer
2265582b3a
avformat/avs: Check if return code is representable
Fixes: leak
Fixes: 62164/clusterfuzz-testcase-minimized-ffmpeg_dem_AVS_fuzzer-6738814988320768

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 52d666edec73c834c60811e330f86a7cf1d916da)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-19 12:18:52 +02:00
Michael Niedermayer
3f76a88922
avcodec/lcldec: Make PNG filter addressing match the code afterwards
Also update check accordingly

Fixes: tickets/10237/mszh_306_306_yuv422_nocompress.avi
Fixes: tickets/10237/mszh_306_306_yuv411_nocompress.avi

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d11b8bd0c610c212d2a28767f94dc07a8ec473cf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-19 12:16:55 +02:00
Michael Niedermayer
8b4273ba8e
avformat/westwood_vqa: Check chunk size
the type is also changed to int as it is interpreted as int in av_get_packet()

Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_WSVQA_fuzzer-6593408795279360
Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_dem_WSVQA_fuzzer-4613908817903616

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5c0df3da0b7288a43a3b783117064cfcbc8037a5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-19 12:15:41 +02:00
Michael Niedermayer
6c7ec3ed51
avformat/sbgdec: Check for period overflow
Fixes: signed integer overflow: 4481246996173000000 - -4778576820000000000 cannot be represented in type 'long'
Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_dem_SBG_fuzzer-5063670588899328

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 a9137110eda130ba07a2a43bdedff2421efbb7a9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-19 12:10:24 +02:00
Michael Niedermayer
82fda5020c
avcodec/xvididct: Fix integer overflow in idct_row()
Fixes: signed integer overflow: 1871429831 + 343006811 cannot be represented in type 'int'
Fixes: 61784/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AIC_fuzzer-5372151001120768

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 b12444fe72173ab52b6479708cfd12cb889ca300)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-18 18:52:37 +02:00
Michael Niedermayer
933a6e2c19
avcodec/celp_math: avoid overflow in shift
by making gain unsigned we have 1 bit more available
alternatively we can clip twice as in the g729 reference

Fixes: left shift of 23404 by 17 places cannot be represented in type 'int'
Fixes: 61728/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ACELP_KELVIN_fuzzer-6280412547383296

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 6580a7b2b27973947118482235a2eb1214d968a2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-18 18:51:46 +02:00
Michael Niedermayer
00a7db846c
avformat/format: Stop reading data at EOF during probing
Issue found by: Сергей Колесников
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 80f6e0378beae69d31f24b036a1365405dea61d1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-18 18:44:14 +02:00
Michael Niedermayer
abf72c71c1
avcodec/huffyuvdec: avoid undefined behavior with get_vlc2() failure
Fixes: left shift of negative value -1
Fixes: 59889/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HUFFYUV_fuzzer-5472742275940352

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 90647a9249aee8c0ef6c0bced3558ada9643f5b6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-18 18:40:53 +02:00
Michael Niedermayer
bf4369e0ad
avcodec/mpeg4videodec: more unsigned in amv computation
Fixes: signed integer overflow: -2147483648 + -1048576 cannot be represented in type 'int'
Fixes: 59365/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-642654923954585

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 0adaa90d89114dc86dbc5704ce31ded5b6750d13)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-18 18:34:39 +02:00
Michael Niedermayer
e741f3d3b7
avcodec/tta: fix signed overflow in decorrelate
Fixes: signed integer overflow: 2079654542 - -139267653 cannot be represented in type 'int'
Fixes: 60811/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TTA_fuzzer-5915858409750528

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 283bf5c35bc5ac92e061f27c3a680318175a1600)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-18 18:33:21 +02:00
Michael Niedermayer
52d1fffb0d
avcodec/xvididct: Fix integer overflow in idct_row()
Fixes: signed integer overflow: -1403461578 + -843974775 cannot be represented in type 'int'
Fixes: 60868/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG1VIDEO_fuzzer-4599793035378688

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 0ce322a51eae87fd3a0eb96f2280175554ef30c5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-18 18:25:47 +02:00
Michael Niedermayer
6503cf3cf5
avcodec/jpeg2000dec: Check for reduction factor and image offset
This combination is not working (it writes out of array)

Reviewed-by: Tomas Härdin <git@haerdin.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9b6d191a66a8d9b3064efecc79a9f44fb14d7875)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-18 11:32:33 +02:00
Michael Niedermayer
26a85ac7b7
avutil/softfloat: Basic documentation for av_sincos_sf()
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4aa1a42a91438b7107d2d77db1fc5ca95c27740c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-18 11:31:41 +02:00
Michael Niedermayer
65312adc41
avutil/softfloat: fix av_sincos_sf()
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d84677abd8ffb8ca8ad94eced6d9e03928f35d79)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-18 11:30:51 +02:00
Michael Niedermayer
3249dc8ebf
avcodec/utils: fix 2 integer overflows in get_audio_frame_duration()
Fixes: signed integer overflow: 256 * 668003712 cannot be represented in type 'int'
Fixes: 59819/clusterfuzz-testcase-minimized-ffmpeg_dem_MATROSKA_fuzzer-4674636538052608

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 a4bf559683a999c8faa408fdd8f29bd28a6a47ea)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-18 11:29:19 +02:00
Michael Niedermayer
3b811d871e
avcodec/hevcdec: Avoid null pointer dereferences in MC
Fixes: runtime error: pointer index expression with base 0x000000000000 overflowed to 0xfffffffffffffff8
Fixes: 58440/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5956015530311680

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 a0f4d4e65093a4cb627f05d09b19c922e88cfac1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-18 11:23:00 +02:00
Michael Niedermayer
b5f4fc9aa9
avcodec: Ignoring errors is only possible before the input end
Fixes: out of array read
Fixes: Ticket 10308

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit fead656a7bf523d448fe8bd39c1f2ea36be98fb9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-10-18 11:10:14 +02:00
Michael Niedermayer
42cc45f5f2
avformat/wavdec: Check that smv block fits in available space
Fixes: OOM
Fixes: 56271/clusterfuzz-testcase-minimized-ffmpeg_dem_WAV_fuzzer-5290810045497344

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 a76efafdb9be966ae3ad52b32370dc644dd582bf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-05-25 23:58:38 +02:00