Commit graph

23848 commits

Author SHA1 Message Date
Michael Niedermayer
30461fcd2c
avformat/mxfdec: Check container_ul->desc before use
Fixes: CID1592939 Dereference after null check

Sponsored-by: Sovereign Tech Fund
Reviewed-by: Tomas Härdin <git@haerdin.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4cab028bd0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-07-21 17:22:25 +02:00
Michael Niedermayer
c3894f1418
avformat/matroskadec: Assert that num_levels is non negative
Maybe Closes: CID1452496 Uninitialized scalar variable

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 019fce18bb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-15 23:33:00 +02:00
Michael Niedermayer
17fc13a9f1
avformat/libzmq: Check av_strstart()
Fixes: CID1453457 Unchecked return value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0263b6a48c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-15 23:32:59 +02:00
Michael Niedermayer
766fa1c485
avformat/img2dec: Move DQT after unrelated if()
Fixes: CID1494636 Missing break in switch

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7d04c6016b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-15 23:32:59 +02:00
Michael Niedermayer
b28d8acc7c
avformat/sdp: Check before appending ","
Found by reviewing code related to CID1500301 String not null terminated

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5b82852519)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-15 23:32:58 +02:00
Michael Niedermayer
0e6fb091b8
avformat/fwse: Remove always false expression
Fixes: CID1460758 Operands don't affect result

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 348c3a7ffe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-15 23:32:54 +02:00
Michael Niedermayer
f4b38485df
avformat/asfdec_f: Use 64bit for preroll computation
Fixes: CID1500342 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 70b4994762)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-15 23:32:54 +02:00
Michael Niedermayer
23c45d4421
avformat/argo_asf: Use 64bit in offset intermediate
Fixes: CID1467435 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d9d1f65308)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-15 23:32:53 +02:00
Michael Niedermayer
254b17eb13
avformat/ape: Use 64bit for final frame size
Fixes: CID1505963 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a2b8d03347)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-15 23:32:53 +02:00
Michael Niedermayer
2ec04a11a0
avformat/mxfdec: Check body_offset
Fixes: signed integer overflow: 538976288 - -9223372036315799520 cannot be represented in type 'long'
Fixes: 68060/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-5523457266745344

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 20a6bfda0f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-15 23:32:44 +02:00
Michael Niedermayer
71f332ce82
avformat/kvag: Check sample_rate
Fixes: Division by 0
Fixes: -copyts -start_at_zero -itsoffset 00:00:01 -itsscale 1 -ss 00:00:02  -i zgclab/ffmpeg_crash/poc1 output.mp4

Found-by: Wang Dawei and Zhou Geng, from Zhongguancun Laboratory
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c26a762ea1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-15 23:32:44 +02:00
Michael Niedermayer
a0c6c0379b
avformat/mxfdec: Check index_edit_rate
Fixes: Assertion b >=0 failed at libavutil/mathematics.c:62
Fixes: 67811/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-5108429687422976

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 ed49391961)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-04 21:10:44 +02:00
Michael Niedermayer
b27584ed60
avformat/mpegts: Reset local nb_prg on add_program() failure
add_program() will deallocate the whole array on failure so
we must clear nb_prgs

Fixes: null pointer dereference
Fixes: crash-35a3b39ddcc5babeeb005b7399a3a1217c8781bc

Found-by: Catena cyber
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cb9752d897)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:06:09 +02:00
Michael Niedermayer
604df69cf9
avformat/mxfdec: Make edit_unit_byte_count unsigned
Suggested-by: Marton Balint <cus@passwd.hu>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f30fe5e8d0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:06:09 +02:00
Michael Niedermayer
45d14d2f77
avformat/movenc: Check that cts fits in 32bit
Fixes: Assertion av_rescale_rnd(start_dts, mov->movie_timescale, track->timescale, AV_ROUND_DOWN) <= 0 failed at libavformat/movenc.c:3694
Fixes: poc2

Found-by: Wang Dawei and Zhou Geng, from Zhongguancun Laboratory
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d88c284c18)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:06:08 +02:00
Michael Niedermayer
4daec105a1
avformat/mxfdec: Check first case of offset_temp computation for overflow
This is kind of ugly
Fixes: signed integer overflow: 255 * 1157565362826411919 cannot be represented in type 'long'
Fixes: 67313/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-6250434245230592

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 d6ed6f6e8d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:06:08 +02:00
Michael Niedermayer
71a3188978
avformat/westwood_vqa: Fix 2g packets
Fixes: signed integer overflow: 2147483424 * 2 cannot be represented in type 'int'
Fixes: 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_WSVQA_fuzzer-4576211411795968

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 86f73277bf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:06:07 +02:00
Michael Niedermayer
03e781da07
avformat/matroskadec: Check timescale
Fixes: 3.82046e+18 is outside the range of representable values of type 'unsigned int'
Fixes: 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_WEBM_DASH_MANIFEST_fuzzer-6381436594421760

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 e849eb2343)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:06:07 +02:00
Michael Niedermayer
08dd17f9d1
avformat/wavdec: satuarte next_tag_ofs, data_end
Fixes: signed integer overflow: 5053074104798691550 + 5053074104259715104 cannot be represented in type 'long'
Fixes: 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_WAV_fuzzer-6515315309936640

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 61dca9e150)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:06:07 +02:00
Michael Niedermayer
62f87b7dd2
avformat/sbgdec: Check for negative duration
Fixes: signed integer overflow: 9223372036854775807 - -8000000 cannot be represented in type 'long'
Fixes: 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_SBG_fuzzer-5133181743136768

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 0bed22d597)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:06:06 +02:00
Michael Niedermayer
a5e39d0a27
avformat/rpl: Use 64bit for total_audio_size and check it
Fixes: 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-4677434693517312
Fixes: signed integer overflow: 5555555555555555556 * 8 cannot be represented in type 'long long'

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 878625812f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:06:06 +02:00
Michael Niedermayer
1556d35c1a
avformat/jacosubdec: Use 64bit for abs
Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself
Fixes: 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_JACOSUB_fuzzer-5401294942371840

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 746203af31)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:06:05 +02:00
Michael Niedermayer
05430187c9
avformat/concatdec: Check user_duration sum
Fixes: 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_CONCAT_fuzzer-6434245599690752
Fixes: signed integer overflow: 9223372026773000000 + 22337000000 cannot be represented in type 'long'

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 007486058c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:06:05 +02:00
Michael Niedermayer
d1bce5ba12
avformat/concatdec: clip outpoint - inpoint overflow in get_best_effort_duration()
An alternative would be to limit all time/duration fields to below 64bit

Fixes: signed integer overflow: -93000000 - 9223372036839000000 cannot be represented in type 'long long'
Fixes: 64546/clusterfuzz-testcase-minimized-ffmpeg_dem_CONCAT_fuzzer-5110813828186112

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 dd733b2be4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:06:04 +02:00
Michael Niedermayer
24f1cb1608
avformat/jacosubdec: clarify code
add comments, rename variables and indent things differently

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e83e8d443b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:06:04 +02:00
Michael Niedermayer
d2faf163bb
avformat/cafdec: Check that data chunk end fits within 64bit
Fixes: signed integer overflow: 64 + 9223372036854775803 cannot be represented in type 'long long'
Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-6536881135550464
Fixes: 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-6536881135550464

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 b792e4d4c7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:06:03 +02:00
Michael Niedermayer
c8ceee4ba3
avformat/iff: Saturate avio_tell() + 12
Fixes: signed integer overflow: 9223372036854775796 + 12 cannot be represented in type 'long long'
Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-4898373660704768

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 b8e754525c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:06:03 +02:00
Michael Niedermayer
f966c25d25
avformat/dxa: Adjust order of operations around block align
Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_dem_DXA_fuzzer-5730576523198464
Fixes: signed integer overflow: 2147483566 + 82 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 50d8e4f273)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:06:03 +02:00
Michael Niedermayer
625ca605f5
avformat/cafdec: dont seek beyond 64bit
Fixes: signed integer overflow: 64 + 9223372036854775807 cannot be represented in type 'long long'
Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-6418242730328064
Fixes: 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-6418242730328064

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 d973fcbcc2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:06:02 +02:00
Michael Niedermayer
3fc4d5d1d8
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 c0f4abe2aa)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:06:02 +02:00
Romain Beauxis
a43d719c50
libavformat/hlsenc.c: Populate OTI using AAC profile in write_codec_attr.
This patch populates the third entry for HLS codec attribute using the
AAC profile.

The HLS specifications[1] require this value to be the Object Type ID as
referred to in table 1.3 of ISO/IEC 14496-3:2009[2].

The numerical constants in the code refer to these OTIs minus one, as
documented in commit 372597e[3], confirmed by comparing the values in the
code with the values in the table mentioned above.

Links:
1: https://datatracker.ietf.org/doc/html/rfc6381#section-3.3
2: https://csclub.uwaterloo.ca/~ehashman/ISO14496-3-2009.pdf
3: 372597e538

Changes in this version:
- Default value set to "mp4a.40.2" when profile is unknown for backward
  compatibility.

Signed-off-by: Steven Liu <liuqi05@kuaishou.com>
(cherry picked from commit 797f0b27c1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:05:58 +02:00
Michael Niedermayer
7aef2d8264
avformat/flacdec: Avoid double AVERRORS
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 029294ff54)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:05:57 +02:00
Michael Niedermayer
136ba93884
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 cfc0a68d4d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:05:54 +02:00
Eugene Zemtsov
b6fa0f9d08 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 8a23a145d8)
2024-04-02 09:19:27 -03:00
James Almer
c2f678c307 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 189c32f536)
2024-03-27 13:56:36 -03:00
Michael Niedermayer
6017705b36
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 4cdf2c7f76)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-21 22:44:02 +01:00
Dale Curtis
207e003758
avformat/mov: Fix integer overflow in mov_read_packet().
Fixes https://crbug.com/1499669:
runtime error: signed integer overflow: 9223372036853334272 + 1375731456
cannot be represented in type 'int64_t' (aka 'long')

Signed-off-by: Dale Curtis <dalecurtis@chromium.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2182173a69)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-21 22:44:02 +01:00
Martin Storsjö
6ddd5111f4
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 ab79263419)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-21 22:44:02 +01:00
Michael Niedermayer
e4a5949d52
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 19fcf43131)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-21 22:44:01 +01:00
Andreas Rheinhardt
20eb700b3e
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 37b5f4a1f6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-21 22:43:59 +01:00
Michael Niedermayer
d8a3d7b4f9
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 e4d5ac8d7d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-21 22:43:59 +01:00
Michael Niedermayer
5553a5bd0d
avformat/mxfdec: Check klv offset
Fixes: Assertion klv_offset >= mxf->run_in failed at libavformat/mxfdec.c:736
Fixes: 62936/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-5778404366221312.fuzz

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 70f5fa6325)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-21 22:43:58 +01:00
Michael Niedermayer
3fbe1be374
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 b79fc70596)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-21 22:43:57 +01:00
Michael Niedermayer
5c4a6a549a
avformat/asfdec_f: Saturate presentation time in marker
Fixes: signed integer overflow: -9223372036315799520 - 3873890816 cannot be represented in type 'long'
Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5009302746431488

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 cedb4736f5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-21 22:43:56 +01:00
Michael Niedermayer
0bb756f267
avformat/xwma: sanity check bits_per_coded_sample
Fixes: signed integer overflow: 65312 * 524296 cannot be represented in type 'int'
Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_dem_XWMA_fuzzer-6595971445555200

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 fe6ce28d11)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-21 22:43:56 +01:00
Michael Niedermayer
2975984245
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 2d6df3719d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-21 22:43:56 +01:00
Michael Niedermayer
ef36359c14
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 929ddef3f4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-21 22:43:55 +01:00
Michael Niedermayer
0dd32cf88d
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 5f0d00464a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-21 22:43:55 +01:00
Michael Niedermayer
71f3d2856b
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 b3c973acbe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-21 22:43:55 +01:00
Michael Niedermayer
a1a6819e93
avformat/mov: compute absolute dts difference without overflow in mov_find_next_sample()
Fixes: signed integer overflow: -9223372036854775808 - 9222726413022000000 cannot be represented in type 'long'
Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5959420033761280

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 3508b496e1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-12-21 22:43:54 +01:00