23112 Commits

Author SHA1 Message Date
Michael Niedermayer
454eac7b87
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>
2024-04-14 21:19:32 +02:00
Michael Niedermayer
8101135606
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>
2024-04-14 21:19:31 +02:00
Michael Niedermayer
9fd6d62eb5
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>
2024-04-14 21:19:31 +02:00
Michael Niedermayer
559b379cbd
avformat/concatdec: Check in/outpoint for overflow
Fixes: signed integer overflow: 91542414454000000 - -9154241494546000000 cannot be represented in type 'long'
Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_dem_CONCAT_fuzzer-4739147999084544

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 dedc78b4b5bdab869f3038798334639d617d2309)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-14 21:19:31 +02:00
Michael Niedermayer
0318ed865b
avformat/hls: reduce default max reload to 3
The 1000 did result in the appearance of a never ending reload loop

The RFC mandates that "If the client reloads a Playlist file and finds that it has not
changed, then it MUST wait for a period of one-half the target
duration before retrying." and if it has changed
"the client MUST wait for at least the target duration before attempting to reload the
Playlist file again"

Trying to reload 3 times seems a better default than 1000 given these
durations

Issue found by: Сергей Колесников
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5f810435c2a6d985fabd9e6c025e0da0c99c39a9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-14 21:19:29 +02:00
Michael Niedermayer
12437cfbf0
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>
2024-04-14 21:19:29 +02:00
Michael Niedermayer
5a88bf8ee7
avformat/avr: Check sample rate
Fixes: 54979/clusterfuzz-testcase-minimized-ffmpeg_dem_AVR_fuzzer-6681035461230592
Fixes: Timeout

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 32556fa62b1d0615f621fd8f71bdfe3b72e43896)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-14 21:19:26 +02:00
Michael Niedermayer
724f2b3fbd
avformat/oggparsetheora: clip duration within 64bit
Fixes: signed integer overflow: 9079256848778919936 - -288230376151711746 cannot be represented in type 'long'
Fixes: 58248/clusterfuzz-testcase-minimized-ffmpeg_dem_OGG_fuzzer-6326851353313280

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 b1c3d81e71f78e4b3b2c2901ac4649cb74aec272)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-14 21:19:23 +02:00
Michael Niedermayer
006ac8b4b5
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>
2024-04-14 21:19:23 +02:00
Eugene Zemtsov
cda5d4698c avformat/mov: Check if a key is longer than the atom containing it
Stop reading keys and return AVERROR_INVALIDDATA if key_size
is larger than the amount of space left in the atom.

Bug: https://crbug.com/41496983
Signed-off-by: Eugene Zemtsov <eugene@chromium.org>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 8a23a145d85964950123952d897b89c2c2b1b8c5)
2024-04-02 09:20:11 -03:00
James Almer
4d2cc90fa4 avformat/mov: don't abort on duplicate Mastering Display Metadata boxes
The VP9 spec defines a SmDm box for this information, and the ISOBMFF spec defines a
mdvc one. If both are present, just ignore one of them.
This is in line with clli and CoLL boxes.

Fixes ticket #10711.

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 189c32f53659b8f9dc402765905fc12a321ab1ac)
2024-03-27 13:57:02 -03:00
Jiasheng Jiang
d811434b5d avformat/nutdec: Add check for avformat_new_stream
Check for failure of avformat_new_stream() and propagate
the error code.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9cf652cef49d74afe3d454f27d49eb1a1394951e)
2023-04-16 10:51:12 -03:00
Michael Niedermayer
d29a054915
avformat/mov: Check samplesize and offset to avoid integer overflow
Fixes: signed integer overflow: 9223372036854775584 + 536870912 cannot be represented in type 'long'
Fixes: 55844/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-510613920664780

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 53c1f5c2e28e54ea8174b196d5cf4a158907395a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-04-15 22:38:05 +02:00
Michael Niedermayer
76ab2538ed
avformat/mxfdec: Use 64bit in remainder
Fixes: signed integer overflow: 48000 * 223587 cannot be represented in type 'int'
Fixes: 54513/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5817594836025344

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 64a04fc165d453fe49906b228ac16385eda28564)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-04-15 22:38:02 +02:00
Michael Niedermayer
93a685accc
avformat/id3v2: Check taglen in read_uslt()
Fixes: Timeout (read mostly the same data repeatly)
Fixes: 52457/clusterfuzz-testcase-minimized-ffmpeg_dem_ALP_fuzzer-6610706313379840
Fixes: 53098/clusterfuzz-testcase-minimized-ffmpeg_dem_SOL_fuzzer-6481382981632000

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 a798af91d7d1fc31cfc1ae09cc6ab3907304f44f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-04-15 22:38:01 +02:00
Michael Niedermayer
f09a1d83da
avformat/replaygain: avoid undefined / negative abs
Fixes: signed integer overflow: -2147483648 * 100000 cannot be represented in type 'int'
Fixes: 52060/clusterfuzz-testcase-minimized-ffmpeg_dem_MP3_fuzzer-5131616708329472

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 2532b20b17ec557f1b925bfc41c00e7d4e17356c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-04-15 22:37:59 +02:00
Michael Niedermayer
400d2d91b3
avformat/vividas: Check packet size
Fixes: signed integer overflow: 119760682 - -2084600173 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_VIVIDAS_fuzzer-6745781167587328

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 5f44489cc5d4f3767f6ad2ad067ee6a3f78374bb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-10-10 21:49:58 +02:00
Michael Niedermayer
a411aba2c9
avformat/spdifdec: Use 64bit to compute bit rate
Fixes: signed integer overflow: 32 * 553590816 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_WAV_fuzzer-6564974517944320

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 4075f0cec1830a7ac081b1a23bd3f5c4e266fe26)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:51:04 +02:00
Michael Niedermayer
a9eaeba875
avformat/rpl: Use 64bit for duration computation
Fixes: signed integer overflow: 24709512 * 88 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6737973728641024

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 529f64b2eb98e0c3ae4944abd5d01fa7c1def047)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:51:03 +02:00
Michael Niedermayer
48b2e91f98
avformat/xwma: Use av_rescale() for duration computation
Fixes: signed integer overflow: 34242363648 * 538976288 cannot be represented in type 'long'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6577923913547776

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 2c789f753c3657be9041307f9c03749f5ba5a6bb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:51:03 +02:00
Michael Niedermayer
765b73c9be
avformat/sdsdec: Use av_rescale() to avoid intermediate overflow in duration calculation
Fixes: signed integer overflow: 72128794995445727 * 240 cannot be represented in type 'long'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_SDS_fuzzer-6628185583779840

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 aa8eb1bed075931b0ce0a8bc9a8ff5882830044c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:51:03 +02:00
Michael Niedermayer
964fb9f59f
avformat/sbgdec: Check ts_int in genrate_intervals
There is probably a better place to check for this, but better
here than nowhere

Fixes: signed integer overflow: -9223372036824775808 - 86400000000 cannot be represented in type 'long'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_SBG_fuzzer-6601162580688896

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 5f529e9147a5c5c8ecf8d5ef0dd569194ce30eed)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:51:02 +02:00
Michael Niedermayer
f24aa3a531
avformat/rmdec: check tag_size
Fixes: signed integer overflow: -2147483648 - 8 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_RM_fuzzer-6598073725353984

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 2cb7ee8a36bddd3425897135db514ca62fec6e44)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:51:02 +02:00
Michael Niedermayer
d3c80525b0
avformat/nutdec: Check fields
Fixes: signed integer overflow: -2147483648 - 1 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_NUT_fuzzer-6566001610719232

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 2c146406eac06f3d3cd3d981c29e7affd834cb4d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:51:02 +02:00
Michael Niedermayer
fc0678a1fd
avformat/flvdec: Use 64bit for sum_flv_tag_size
Fixes: signed integer overflow: 2138820085 + 16130322 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_LIVE_FLV_fuzzer-6704728165187584

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 7124f10c1d521096042ba3c9c519828147f78c46)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:51:01 +02:00
Michael Niedermayer
71e8a575da
avformat/jacosubdec: Fix overflow in get_shift()
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_JACOSUB_fuzzer-6722544461283328
Fixes: signed integer overflow: 48214448 * 60 cannot be represented in type 'int'

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 b1a68127bbcd3d638363fa0249982c494e87c9e2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:51:01 +02:00
Michael Niedermayer
78ed283608
avformat/dxa: avoid bpc overflows
Fixes: signed integer overflow: 2147483647 + 32 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_DXA_fuzzer-6639823726706688

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 93db0f0740cacd64ae07b5e8606b70021e48d364)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:51:01 +02:00
Michael Niedermayer
650f0f97db
avformat/cafdec: Check that nb_frasmes fits within 64bit
Fixes: signed integer overflow: 1099511693312 * 538976288 cannot be represented in type 'long'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-6565048815845376

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 d4bb4e375975dc0d31d5309106cf6ee0ed75140f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:51:00 +02:00
Michael Niedermayer
bf9ac33cff
avformat/asfdec_o: Limit packet offset
avoids overflows with it

Fixes: signed integer overflow: 9223372036846866010 + 4294967047 cannot be represented in type 'long'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_ASF_O_fuzzer-6538296768987136
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_ASF_O_fuzzer-657169555665715

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 736e9e69d5dbbe1d81885dfef59917eb915d2f96)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:51:00 +02:00
Michael Niedermayer
080c074c25
avformat/ape: Check frames size
Fixes: signed integer overflow: 9223372036854775806 + 3 cannot be represented in type 'long'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_APE_fuzzer-6389264140599296

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 d0349c9929e2891c90011a83152624d5cf18e628)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:51:00 +02:00
Michael Niedermayer
2cdc8254eb
avformat/icodec: Check nb_pal
Fixes: signed integer overflow: 538976288 * 4 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_ICO_fuzzer-6690068904935424

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 db73ae0dc114aa6fae08e69f977944f056a24995)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:59 +02:00
Michael Niedermayer
b591a55e7a
avformat/aiffdec: Use 64bit for block_duration use
Fixes: signed integer overflow: 3 * -2147483648 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_AIFF_fuzzer-6668935979728896

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 9303ba272e988d87084880c57056b750cc5ffd08)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:59 +02:00
Michael Niedermayer
68d39d6a4b
avformat/aiffdec: Check block_duration
Fixes: signed integer overflow: 3 * -2147483648 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_AIFF_fuzzer-6668935979728896

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 1c2b6265c87417033f990fa4a14da9d4008320a4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:59 +02:00
Michael Niedermayer
7b7e6478d9
avformat/mxfdec: only probe max run in
Suggested-by: Tomas Härdin <tjoppen@acc.umu.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1182bbb2c3226260ed672920251e3410bde8c6c9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:58 +02:00
Michael Niedermayer
663fa835cc
avformat/mxfdec: Check run_in is within 65536
Fixes: signed integer overflow: 9223372036854775807 - -2146905566 cannot be represented in type 'long'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-6570996594769920

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 7786097825d9e3f02b4574c1924c28818eb83340)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:58 +02:00
Michael Niedermayer
25d79ebbf5
libavformat/hls: Free keys
Fixes: memleak
Fixes: 50703/clusterfuzz-testcase-minimized-ffmpeg_dem_HLS_fuzzer-6399058578636800

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Steven Liu <lingjiujianke@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d32a9f3137c91de86547601a38fea0693c3497f1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:56 +02:00
Michael Niedermayer
f550cdb732
avformat/asfdec_o: limit recursion depth in asf_read_unknown()
The threshold of 5 is arbitrary, both smaller and larger should work fine

Fixes: Stack overflow
Fixes: 50603/clusterfuzz-testcase-minimized-ffmpeg_dem_ASF_O_fuzzer-6049302564175872

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 1f1a368169ef9d945dc4b4764f5c60ba9bbc9134)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:55 +02:00
Michael Niedermayer
d9c15655f9
libavformat/iff: Check for overflow in body_end calculation
Fixes: signed integer overflow: -6322983228386819992 - 5557477266266529857 cannot be represented in type 'long'
Fixes: 50112/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-6329186221948928

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 bcb46903040e5a5199281f4ad0a1fdaf750ebc37)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:53 +02:00
Michael Niedermayer
47e4bab57a
avformat/avidec: Prevent entity expansion attacks
Fixes: Timeout
Fixes no testcase, this is the same idea as similar attacks against XML parsers

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f3e823c2aa04d4f5571a5e04c27a244890704c8d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:53 +02:00
Michael Niedermayer
ace963dd18
avformat/subviewerdec: Make read_ts() more flexible
Fixes: signed integer overflow: -1948269928 * 10 cannot be represented in type 'int'
Fixes: 49451/clusterfuzz-testcase-minimized-ffmpeg_dem_SUBVIEWER_fuzzer-6344614822412288

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
(cherry picked from commit 58a8e739ef93f8b42f8139e73227508256929d20)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:52 +02:00
Michael Niedermayer
0edd5feafa
avformat/flvdec: Check for EOF in index reading
Fixes: Timeout
Fixes: 47992/clusterfuzz-testcase-minimized-ffmpeg_dem_LIVE_FLV_fuzzer-6020443879899136

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 ceff5d7b74cd9ae6055957979d27d289c70a9e1b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:51 +02:00
Michael Niedermayer
b60d9730cf
avformat/nutdec: Check get_packetheader() in mainheader
Fixes; Timeout
Fixes: 48794/clusterfuzz-testcase-minimized-ffmpeg_dem_NUT_fuzzer-6524604713140224

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 b5de084aa63b79586bc445e6a7fea837688b3941)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:50 +02:00
Michael Niedermayer
a17ba6b3ce
avformat/asfdec_f: Use 64bit for packet start time
Fixes: signed integer overflow: 2147483647 + 32 cannot be represented in type 'int'
Fixes: 49014/clusterfuzz-testcase-minimized-ffmpeg_dem_ASF_fuzzer-6314973315334144

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 8ed78486fcb065b5b459f14d4b1c3242f6d21ec7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:50 +02:00
Michael Niedermayer
bb8e5b221f
avformat/rtsp: break on unknown protocols
This function needs more cleanup and it lacks error handling

Fixes: use of uninitialized memory
Fixes: CID700776

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 73c0fd27c5c53c42e5060fb3a0c1fc5708b6f670)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:48 +02:00
Michael Niedermayer
6edd2ad5cc
avformat/iff: simplify duration calculation
Fixes: signed integer overflow: 315680096256 * 134215943 cannot be represented in type 'long long'
Fixes: 48713/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-5886272312311808

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 0740641e932551342cc1737d981e950ecffa3b63)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:46 +02:00
Michael Niedermayer
c40b7f3ceb
avformat/sctp: close socket on errors
This is untested as i have no testcase

Fixes: CID1302709

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c9a2996544187f67e533bc24f4cf773e50d2362b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:45 +02:00
Michael Niedermayer
c97bc2ae05
avformat/aiffdec: cleanup size handling for extreem cases
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c6f1e48b86471b1cc91c468e78a065075ed409bd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:44 +02:00
Michael Niedermayer
7dc0967032
avformat/aiffdec: avoid integer overflow in get_meta()
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 45891/clusterfuzz-testcase-minimized-ffmpeg_dem_AIFF_fuzzer-6159183893889024

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 6a02de21278ec3bea1d2c62665f2629d5a62210f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:43 +02:00
Michael Niedermayer
9b3c804d6a
avformat/ape: more bits in size for less overflows
Fixes: signed integer overflow: 2147483647 + 3 cannot be represented in type 'int'
Fixes: 46184/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-4678059519770624

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 e5f6707a7b91664491041526ef3cce7412258b89)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:43 +02:00
Michael Niedermayer
d12d83bae9
avformat/bfi: Check offsets better
Fixes: signed integer overflow: -2145378272 - 538976288 cannot be represented in type 'int'
Fixes: 45690/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-5015496544616448

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 35dc93ab44a57d78956414624c4e011414220e98)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-26 16:50:42 +02:00