93643 Commits

Author SHA1 Message Date
Paul B Mahol
d7490ef341 avfilter/vf_bwdif: fix heap-buffer overflow
Fixes #8261

(cherry picked from commit 8c3166e1c302c3ba80d9742ae46161c0fa8e2606)
Signed-off-by: James Almer <jamrial@gmail.com>
2021-09-13 16:51:43 -03:00
Paul B Mahol
8c9ff740a3 avfilter/vf_bm3d: fix heap-buffer overflows
Fixes #8262

(cherry picked from commit 0749082eb93ea02fa4b770da86597450cec84054)
Signed-off-by: James Almer <jamrial@gmail.com>
2021-09-13 16:51:43 -03:00
Paul B Mahol
f1fc3fe317 avfilter/vf_floodfill: finish early if source and destination fill matches
Fixes #8236

(cherry picked from commit 1331e001796c656a4a3c770a16121c15ec1db2ac)
Signed-off-by: James Almer <jamrial@gmail.com>
2021-09-13 16:51:43 -03:00
Paul B Mahol
ac5a7d5a67 avfilter/vf_edgedetect: fix heap-buffer overflow
Fixes #8275

(cherry picked from commit de598f82f8c3f8000e1948548e8088148e2b1f44)
Signed-off-by: James Almer <jamrial@gmail.com>
2021-09-13 16:51:43 -03:00
Paul B Mahol
da3d6068f3 avfilter/vf_w3fdif: deny processing small videos
Fixes #8243

(cherry picked from commit 0e68e8c93f9068596484ec8ba725586860e06fc8)
Signed-off-by: James Almer <jamrial@gmail.com>
2021-09-13 16:51:43 -03:00
Paul B Mahol
df5e017709 avfilter/af_afade: fix heap-buffer overflow
Fixes #8276

(cherry picked from commit e1b89c76f66343d1b495165664647317c66764bb)
Signed-off-by: James Almer <jamrial@gmail.com>
2021-09-13 16:50:46 -03:00
Paul B Mahol
29f1cf0c0f avfilter/vf_colorconstancy: fix overreads in gauss array
Fixes #8250

(cherry picked from commit a7fd1279703683ebb548ef7baa2f1519994496ae)
Signed-off-by: James Almer <jamrial@gmail.com>
2021-09-13 16:50:33 -03:00
Paul B Mahol
e06e89f627 avcodec/pngenc: remove monowhite from apng formats
Monowhite pixel format is not supported, and it does not make sense
to add support for it.

Fixes #7989

(cherry picked from commit 5d9f44da460f781a1604d537d0555b78e29438ba)
Signed-off-by: James Almer <jamrial@gmail.com>
2021-09-13 16:50:33 -03:00
Paul B Mahol
aef4cbec69 avfilter/vf_datascope: fix heap buffer overflow
Fixes #8309

(cherry picked from commit d4d6b7b0355f3597cad3b8d12911790c73b5f96d)
Signed-off-by: James Almer <jamrial@gmail.com>
2021-09-13 16:50:33 -03:00
Paul B Mahol
d60effdf83 avfilter/vf_fieldmatch: fix heap-buffer overflow
Also fix use of uninitialized values.

Fixes #8239

(cherry picked from commit ce5274c1385d55892a692998923802023526b765)
Signed-off-by: James Almer <jamrial@gmail.com>
2021-09-13 16:50:33 -03:00
Paul B Mahol
c79606f233 avfilter/vf_fieldorder: fix heap-buffer overflow
Fixes #8264

(cherry picked from commit 07050d7bdc32d82e53ee5bb727f5882323d00dba)
Signed-off-by: James Almer <jamrial@gmail.com>
2021-09-13 16:50:32 -03:00
Paul B Mahol
69f5d4b7fd avfilter/vf_bitplanenoise: fix overreads
Fixes #8244

(cherry picked from commit 0b567238741854b41f84f7457686b044eadfe29c)
Signed-off-by: James Almer <jamrial@gmail.com>
2021-09-13 16:50:32 -03:00
Paul B Mahol
540047eda8 avfilter/vf_edgedetect: check if height is big enough
Fixes #8260

(cherry picked from commit ccf4ab8c9aca0aee66bcc2914031a9c97ac0eeb8)
Signed-off-by: James Almer <jamrial@gmail.com>
2021-09-13 16:50:32 -03:00
Paul B Mahol
3a9f384225 avfilter/af_tremolo: fix heap-buffer overflow
Fixes #8317

(cherry picked from commit 58bb9d3a3a6ede1c6cfb82bf671a5f138e6b2144)
Signed-off-by: James Almer <jamrial@gmail.com>
2021-09-13 16:50:32 -03:00
Paul B Mahol
f5da6cff35 avfilter/vf_neighbor: check if width is 1
Fixes #8242

(cherry picked from commit e787f8fd7ee99ba0c3e0f086ce2ce59eea7ed86c)
Signed-off-by: James Almer <jamrial@gmail.com>
2021-09-13 16:49:27 -03:00
Paul B Mahol
01f3824f6c avfilter/vf_avgblur: fix heap-buffer overflow
Fixes #8274

(cherry picked from commit f069a9c2a65bc20c3462127623127df6dfd06c5b)
Signed-off-by: James Almer <jamrial@gmail.com>
2021-09-13 16:49:13 -03:00
Michael Niedermayer
fbb83f3d41 Revert "avformat/wvdec: Check rate for overflow"
The code this fixes is not in release/4.1

Found-by: <mkver>
This reverts commit b81d1379c296de48ebcc7ead0b3f22a4265b0ea1.
n4.1.7
2021-09-10 16:04:39 +02:00
Michael Niedermayer
add3d4048d Update for 4.1.7
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 21:03:35 +02:00
James Almer
dfb9a3f7f3 avcodec/utils: don't return negative values in av_get_audio_frame_duration()
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 e01d306c647b5827102260b885faa223b646d2d1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:59:05 +02:00
Michael Niedermayer
608be8437b avcodec/jpeg2000dec: Check that atom header is within bytsetream
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 3c659f861856d751fe3aa1358b1cccff3117f948)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:59:05 +02:00
Michael Niedermayer
5240beb4c5 avcodec/apedec: Fix 2 integer overflows in filter_3800()
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 33feb527fff9bf547c4118147434869875cf0c3d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:59:05 +02:00
Michael Niedermayer
29d6be42d1 avcodec/xpmdec: Move allocations down after more error checks
Fixes: Timeout
Fixes: 37035/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XPM_fuzzer-5142718576721920

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 e58692837c20c8484a23cd9beb63ac422f82458a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:59:05 +02:00
Martin Storsjö
feba3d29be network: Define ENOTCONN as WSAENOTCONN if not defined
This fixes compilation with old mingw.org toolchains, which has got
much fewer errno.h entries.

Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 6569e9505c781468092c15fa84d034c9e37d26ca)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:59:05 +02:00
Michael Niedermayer
3837ebef6e avformat/avidec: Use 64bit for frame number in odml index parsing
Fixes: signed integer overflow: 1179337772 + 1392508928 cannot be represented in type 'int'
Fixes: 34088/clusterfuzz-testcase-minimized-ffmpeg_dem_AVI_fuzzer-5846945303232512

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 a4c98c507ed3c729fc92d641b974385f8aa37b33)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:59:05 +02:00
Michael Niedermayer
772e8bf0e7 avcodec/mjpegdec: Check for bits left in mjpeg_decode_scan_progressive_ac()
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 909faca929cf30dcd439fa33479177e76fb5121d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:59:05 +02:00
maryam ebrahimzadeh
db3dd0545c avformat/adtsenc: return value check for init_get_bits in adts_decode_extradata
As the second argument for init_get_bits (buf) can be crafted, a return value check for this function call is necessary.
'buf' is  part of  'AVPacket pkt'.
replace init_get_bits with init_get_bits8.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9ffa49496d1aae4cbbb387aac28a9e061a6ab0a6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:59:05 +02:00
Michael Niedermayer
ad3df92f53 avcodec/webp: Check available space in loop in decode_entropy_coded_image()
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 5e00eab61112c52f27a09fe77d50e6fc508f9c53)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:59:05 +02:00
Michael Niedermayer
d6d46907c6 avcodec/vc1dec: ff_print_debug_info() does not support WMV3 field_mode
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 c59b5e3d1e0121ea23b5b326529f5bdca44cf982)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
51292064a2 avcodec/frame_thread_encoder: Free AVCodecContext structure on error during init
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 7bba0dd6382e30d646cb406034a66199e071d713)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
907273ca20 avcodec/faxcompr: Check for end of input in cmode == 1 in decode_group3_2d_line()
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 f803635c4fac761ac68b39a369272d4c26433dc1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
0b63cee7a0 avcodec/vc1dec: Disable error concealment for *IMAGE
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 643b2d49bf52d5a3205ce3db732e0c4c396bd457)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
8c9f389083 avcodec/sbrdsp_fixed: Fix negation overflow in sbr_neg_odd_64_c()
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 8f2856a1daa4e3d5767b6efe7a70ec86926dba47)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
f32abd61b9 avformat/wtvdec: Check for EOF before seeking back in parse_media_type()
Fixes: Infinite loop
Fixes: 36311/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-4889181296918528

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 89505d38de989bddd579ce3b841f1c011f1d7bf2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
cb253316a8 avformat/wavdec: Use 64bit in new_pos computation
Fixes: signed integer overflow: 129 * 16711680 cannot be represented in type 'int'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_WAV_fuzzer-6742285317439488

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 9b57d2f0a967195dc1c72fda8f3a983a0132a243)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
55922a70d9 avformat/sbgdec: Check for overflow in timestamp preparation
Fixes: signed integer overflow: 9223372036854775807 + 86400000000 cannot be represented in type 'long'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_SBG_fuzzer-6731040263634944

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 9dbed908403b0d97ae70881fab68020f148b6b11)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
d92939f984 avformat/dsicin: Check packet size for overflow
Fixes: signed integer overflow: 24672 + 2147483424 cannot be represented in type 'int'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_DSICIN_fuzzer-6731325979623424

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 9d1c47ec033d038e04578eaf0767c8983250d03d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
8cacdaf819 avformat/bfi: check nframes
Fixes: signed integer overflow: -2147483648 - 1 cannot be represented in type 'int'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_BFI_fuzzer-6737028768202752

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 b4e77dfca1c2970446f79277034d8e60c3fe3f4e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
a7c6df6df0 avformat/avidec: fix position overflow in avi_load_index()
Fixes: signed integer overflow: 9223372033098784808 + 4294967072 cannot be represented in type 'long'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_AVI_fuzzer-6732488912273408

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 527821a2dd6f19d9a4d2abe05833346ae86c66c6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
c064645bdf avformat/asfdec_f: Check sizeX against padding
Fixes: signed integer overflow: 2147483607 + 64 cannot be represented in type 'int'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_ASF_fuzzer-6753897878257664

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 f034c2e36acb7d0c11dc1849ddf8a67bde44eff4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
150642566c avformat/aiffdec: Check for size overflow in header parsing
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_AIFF_fuzzer-6723467048255488

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 bae2e1977744f42d56b85193d4910811de829714)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
7cf552af04 avcodec/aaccoder: Add minimal bias in search_for_ms()
Fixes: floating point division by 0
Fixes: Ticket8218

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 75a099fc734a4ee2b1347d0a3d8c53d883b95174)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
d71d3cc9f6 avfilter/af_drmeter: Check that there is data
Fixes: floating point division by 0
Fixes: -nan is outside the range of representable values of type 'int'
Fixes: Ticket8307

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4f49fa6abe89e2fca2585cac4c63190315972cf0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
6ce4989432 avfilter/vf_mestimate: Check b_count
Fixes: left shift of negative value -1
Fixes: Ticket8270

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 06af6e101bbd04e8ecc5337bc3b6894a5e058e14)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
fb7379f7ef avformat/mov: do not ignore errors in mov_metadata_hmmt()
Fixes: Timeout
Fixes: 35637/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-6311060272447488

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 c52c99a18f6e40973e52d99d4bb29e34a66c695a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
c9784a783b avformat/mxfdec: Check size for shrinking
av_shrink_packet() takes int size, so size must fit in int
Fixes: out of array access
Fixes: 35607/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-4875541323841536

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 65b862ab59c4bfaae98be596b84a072f52444398)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
maryam ebr
ff3ae69999 avcodec/dnxhddec: check and propagate function return value
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 7150f9575671f898382c370acae35f9087a30ba1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
ffc6af3157 swscale/slice: Fix wrong return on error
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7874d40f10cca922797a8da14189a53ee52f0156)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
3908552840 swscale/slice: Check slice for allocation failure
Fixes: null pointer dereference
Fixes: alloc_slice.mp4

Found-by: Rafael Dutra <rafael.dutra@cispa.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 997f9cfc1295769be8d3180860ceebbc16f59069)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
eed7a662af avformat/matroskadec: Fix handling of huge default durations
Fixes: negation of -9223372036854775808 cannot be represented in type 'int64_t' (aka 'long'); cast to an unsigned type to negate this value to itself
Fixes: 33997/clusterfuzz-testcase-minimized-ffmpeg_dem_WEBM_DASH_MANIFEST_fuzzer-6752039691485184

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 343d950a4a8a8c32f5f7d9d4ac1fbe317cb9cc80)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00
Michael Niedermayer
3631197f67 avcodec/lpc: check for zero err in normalization in compute_lpc_coefs()
Fixes: floating point division by 0
Fixes: Ticket8213

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 70874e024a6eae0f95bd8dd4b9b4367ffd937f41)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-09-09 13:54:52 +02:00