Commit graph

99351 commits

Author SHA1 Message Date
Michael Niedermayer
fe01189b0a
Update for 4.3.9
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-03-11 19:12:05 +01:00
Lynne
db25eb352a
configure: update copyright year
On 01/01/2025 19:05, Peter Ross wrote:
> FFmpeg turns 25 this year.

(cherry picked from commit d3aa99a4f4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-03-03 01:17:24 +01:00
softworkz
69a6974116
avformat/hls: Partially revert "reduce default max reload to 3"
(setting to 100 as a reasonable compromise)

The change has caused regressions for many users and consumers.
Playlist reloads only happen when a playlist doesn't indicate that it
has ended (via #EXT-X-ENDLIST), which means that the addition of future
segments is still expected.
It is well possible that an HLS server is temporarily unable to serve
further segments but resumes after some time, either indicating a
discontinuity or even by fully catching up.
With a segment length of 3s, a max_reload value of 1000 corresponds to
a duration of 50 minutes which appears to be a reasonable default.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ace9f03a6c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-03-01 03:22:50 +01:00
Michael Niedermayer
5a020f8690
avformat/hls: Fix twitter
Allow mp4 with all mpegts extensions

Fixes: Ticket11435
Reviewed-by: Steven Liu <lingjiujianke@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cef3422b48)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:26 +01:00
Michael Niedermayer
ffbb1058b7
libavformat/hls: Be more restrictive on mpegts extensions
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0113e30806)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:26 +01:00
Michael Niedermayer
71274326b1
avformat/hls: .ts is always ok even if its a mov/mp4
Maybe fixes: 11435

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9e12572933)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:26 +01:00
Michael Niedermayer
486e46719e
avformat/hls: Print input format in error message
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d845533130)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:25 +01:00
Michael Niedermayer
c32e89653a
avformat/hls: Be more picky on extensions
This blocks disallowed extensions from probing
It also requires all available segments to have matching extensions to the format
mpegts is treated independent of the extension

It is recommended to set the whitelists correctly
instead of depending on extensions, but this should help a bit,
and this is easier to backport

Fixes: CVE-2023-6602 II. HLS Force TTY Demuxer
Fixes: CVE-2023-6602 IV. HLS XBIN Demuxer DoS Amplification

The other parts of CVE-2023-6602 have been fixed by prior commits

Found-by: Harvey Phillips of Amazon Element55 (element55)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 91d96dc8dd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:25 +01:00
Michael Niedermayer
7acd31d09a
avformat: add ff_match_url_ext()
Match url against a list of extensions similar to av_match_ext()

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a7b06bfc5d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:25 +01:00
Cosmin Stejerean
23afb77b8e
avfilter/bwdif: account for chroma sub-sampling in min size calculation
The current logic for detecting frames that are too small for the
algorithm does not account for chroma sub-sampling, and so a sample
where the luma plane is large enough, but the chroma planes are not
will not be rejected. In that event, a heap overflow will occur.

This change adjusts the logic to consider the chroma planes and makes
the change to all three bwdif implementations.

Fixes #10688

Signed-off-by: Cosmin Stejerean <cosmin@cosmin.at>
Reviewed-by: Thomas Mundt <tmundt75@gmail.com>
Signed-off-by: Philip Langdale <philipl@overt.org>
(cherry picked from commit 737ede405b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:24 +01:00
Michael Niedermayer
80ebfdb7ca
avformat/iff: Check that we have a stream in read_dst_frame()
Fixes: null pointer dereference
Fixes: 385644864/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-4551049565765632

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 8668957ef6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:24 +01:00
Michael Niedermayer
e134cf5798
avformat/mlvdec: fix size checks
Fixes: heap-buffer-overflow
Fixes: 391962476/clusterfuzz-testcase-minimized-ffmpeg_dem_MLV_fuzzer-5746746587676672

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 251d43aef0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:24 +01:00
Michael Niedermayer
3c61273c8f
avformat/mxfdec: Check edit unit for overflow in mxf_set_current_edit_unit()
Fixes: signed integer overflow: 9223372036854775807 + 1 cannot be represented in type 'long'
Fixes: 392672068/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-6232335892152320

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 8a6ad9eab2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:23 +01:00
Michael Niedermayer
fb358672d9
avcodec/h263dec: Check against previous dimensions instead of coded
Fixes: out of array access
Fixes: crash-a41ef3db699013f669b076f02f36942925f5a98c

Found-by: Kacper Michajlow <kasper93@gmail.com>
Reviewed-by: Kacper Michajlow <kasper93@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0fe33c99a2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:23 +01:00
Michael Niedermayer
e91a7c9ca6
avformat/mxfdec: Check avio_read() success in mxf_decrypt_triplet()
Fixes: Use of uninitialized memory
Fixes: 71444/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-5448597561212928

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 6ecc96f4d0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:23 +01:00
Michael Niedermayer
d2c9b04388
avcodec/huffyuvdec: Initialize whole output for decode_gray_bitstream()
Fixes: use of uninitialized memory
Fixes: 375286238/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HYMT_fuzzer-6352546854141952

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 ef71552cf9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:22 +01:00
Michael Niedermayer
08d94cbe2b
avformat/ipmovie: Check signature_buffer read
Fixes: use of uninitilaized data
Fixes: 385167047/clusterfuzz-testcase-minimized-ffmpeg_dem_IPMOVIE_fuzzer-5941477505564672

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 788abe0d25)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:22 +01:00
Michael Niedermayer
af336762bd
avformat/wtvdec: Initialize buf
ff_parse_mpeg2_descriptor() reads over what is initialized
Fixes: use of uninitialized memory
Fixes: 383825645/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-5144130618982400

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 17b019c517)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:21 +01:00
Michael Niedermayer
2f80158781
avcodec/cbs_vp9: Initialize VP9RawSuperframeIndex
Fixes: use-of-uninitialized-value
Fixes: 70907/clusterfuzz-testcase-minimized-ffmpeg_BSF_VP9_METADATA_fuzzer-6339363208757248

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 e81d410242)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:21 +01:00
Michael Niedermayer
3a12fc4309
avformat/vqf: Propagate errors from add_metadata()
Suggested-by: Marton Balint <cus@passwd.hu>
Reviewed-by: Alexander Strasser <eclipse7@gmx.net>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 49fa3f6c5b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:21 +01:00
Michael Niedermayer
48118f2fae
avformat/vqf: Check avio_read() in add_metadata()
Fixes: use of uninitialized data
Fixes: 383825642/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5380168801124352

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 c43dbecbda)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:20 +01:00
Michael Niedermayer
9e7278e832
avformat/dashdec: Check whitelist
Fixes: CVE-2023-6602, V. DASH Playlist SSRF

Found-by: Harvey Phillips of Amazon Element55 (element55)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4c96d6bf75)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:20 +01:00
Michael Niedermayer
1ca62c1718
avutil/avstring: dont mess with NULL pointers in av_match_list()
Fixes: applying zero offset to null pointer

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c6c54943d1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:20 +01:00
Michael Niedermayer
43b8852feb
avcodec/mpegvideo_enc: Check FLV1 resolution limits
Found-by: Elias Myllymäki <elias.myllymaki04p@gmail.com>
Reviewed-by: Alexander Strasser <eclipse7@gmx.net>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 827c073154)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:19 +01:00
Michael Niedermayer
f5d8b82891
avcodec/ffv1enc: Fix handling of 32bit unsigned symbols
This may be needed for floats

Sponsored-by: Sovereign Tech Fund
Reviewed-by: Alexander Strasser <eclipse7@gmx.net>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 402824e9e9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:19 +01:00
Michael Niedermayer
719ebc4adb
avcodec/vc1dec: Clear block_index in vc1_decode_reset()
Fixes: 377965565/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1_fuzzer-4504434689769472
Fixes: out of array access

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 251de1791e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:19 +01:00
Michael Niedermayer
34eb233f07
avcodec/aacsbr_template: Clear n_q on error
Fixes: index 5 out of bounds for type 'uint8_t [5]'
Fixes: 377748135/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_LATM_fuzzer-5167109774049280

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 3f029bfb7f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:18 +01:00
Michael Niedermayer
dda63e60a0
swscale/output: Fix undefined overflow in yuv2rgba64_full_X_c_template()
Fixes: signed integer overflow: -1082982400 + -1195645138 cannot be represented in type 'int'
Fixes: 376136843/clusterfuzz-testcase-minimized-ffmpeg_SWS_fuzzer-4791844321427456

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 56faee21c1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:18 +01:00
Michael Niedermayer
72c82bbb9f
avfilter/af_pan: Fix sscanf() use
Fixes: Memory Data Leak

Found-by: Simcha Kosman <simcha.kosman@cyberark.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b5b6391d64)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:18 +01:00
Michael Niedermayer
afc97bddb6
avfilter/vf_addroi: Add missing NULL termination to addroi_var_names[]()
Fixes: out of array read

Found-by: Elias Myllymäki <elias.myllymaki04p@gmail.com>
Reviewed-by: Alexander Strasser <eclipse7@gmx.net>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b72de49295)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:17 +01:00
Michael Niedermayer
a8ea6f8465
avformat/rmdec: check that buf if completely filled
Fixes: use of uninitialized value
Fixes: 70988/clusterfuzz-testcase-minimized-ffmpeg_dem_IVR_fuzzer-5298245077630976

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9578c135d0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:17 +01:00
Michael Niedermayer
ef2e5030a9
avcodec/hapdec: Clear tex buffer
The code following makes no attempt to initialize all of the buffer

Fixes: use of uninitialized value
Fixes: 70980/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HAP_fuzzer-5329909059223552

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 7eeeda703b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:17 +01:00
Michael Niedermayer
9762ef37a5
avformat/mxfdec: Check that key was read sucessfull
Fixes: use of uninitialized value
Fixes: 70932/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-4870202133643264

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 4c62cbcae2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:16 +01:00
Michael Niedermayer
efe13fd99c
avformat/rpl: Fix check for negative values
Fixes: signed integer overflow: 10 * -1923267925333400000 cannot be represented in type 'int64_t' (aka 'long')
Fixes: 378891963/clusterfuzz-testcase-minimized-fuzzer_loadfile_direct-5714338935013376
Found-by: ossfuzz
Reported-by: Kacper Michajlow <kasper93@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit eab65379bf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:16 +01:00
Michael Niedermayer
1c4667297c
avformat/mlvdec: Check avio_read()
Fixes: use-of-uninitialized-value
Fixes: 383170476/clusterfuzz-testcase-minimized-ffmpeg_dem_MLV_fuzzer-4696002884337664

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 bb85423142)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:16 +01:00
Michael Niedermayer
a0ec70455c
avcodec/utils: Fix block align overflow for ADPCM_IMA_WAV
Fixes: signed integer overflow: 529008646 * 8 cannot be represented in type 'int'
Fixes: 383379145/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-6674045107503104

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 9327093079)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:15 +01:00
Michael Niedermayer
6ad3e87a87
avformat/matroskadec: Check pre_ns for overflow
Fixes: signed integer overflow: -3483479120376300096 - 7442323944145700864 cannot be represented in type 'long'
Fixes: 383187489/clusterfuzz-testcase-minimized-ffmpeg_dem_WEBM_DASH_MANIFEST_fuzzer-4561470580391936

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 361d24e6d9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:15 +01:00
Michael Niedermayer
daa0d94cf9
avcodec/webp: Check ref_x/y
Fixes: 70991/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WEBP_fuzzer-5544067620995072
Fixes: use of uninintailized value

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 7c1e732ad2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:15 +01:00
Michael Niedermayer
421207a390
avcodec/ilbcdec: Initialize tempbuff2
Fixes: Use of uninitialized value
Fixes: 71350/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ILBC_fuzzer-6322020827070464

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 4482218440)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:14 +01:00
Michael Niedermayer
3ce439f5fe
avformat/dxa: check bpc
Fixes: integer overflow: -2147483648 - 1 cannot be represented in type 'int'
Fixes: 373971762/clusterfuzz-testcase-minimized-ffmpeg_dem_DXA_fuzzer-4880491112103936

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 7e020f2141)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:14 +01:00
Michael Niedermayer
9fbcecf435
swscale/slice: clear allocated memory in alloc_lines()
Fixes: use of uninitialized memory in hScale16To15_c()
Fixes: 373924007/clusterfuzz-testcase-minimized-ffmpeg_SWS_fuzzer-5841199968092160

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 aeec39f3c1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:14 +01:00
Michael Niedermayer
d8778cbccd
avformat/icodec: fix integer overflow with nb_pal
Fixes: runtime error: signed integer overflow
Fixes: 42536949/clusterfuzz-testcase-minimized-fuzzer_loadfile-6199846684393472
Found-by: ossfuzz
Reported-by: Kacper Michajlow
Tested-by: Kacper Michajlow
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 84569b6c22)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:13 +01:00
Michael Niedermayer
ac8fda6566
doc/developer: Document relationship between git accounts and MAINTAINERS
This should have been documented long ago and i thought it was

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7051825b01)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:13 +01:00
Michael Niedermayer
33a45199aa
avformat/vividas: Check avio_read() for failure
Fixes: use of uninitialized value (untested)
Fixes: 42537627/clusterfuzz-testcase-minimized-fuzzer_loadfile_direct-5505802505355264

Found-by: ossfuzz
Reported-by: Kacper Michajlow
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 96d45c3b21)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:13 +01:00
Michael Niedermayer
503a3e4c38
avformat/ilbc: Check avio_read() for failure
Fixes: use of uninitialized value
Fixes: 42537627/clusterfuzz-testcase-minimized-fuzzer_protocol_memory-6656646223298560-cut

Found-by: ossfuzz
Reported-by: Kacper Michajlow
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e30d957a9b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:12 +01:00
Michael Niedermayer
affeb1dde1
avformat/nistspheredec: Clear buffer
Fixes: use-of-uninitialized-value
Fixes: 42537627/clusterfuzz-testcase-minimized-fuzzer_protocol_memory-6515855798632448-cut

Found-by: ossfuzz
Reported-by: Kacper Michajlow
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 898f6582eb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:12 +01:00
Michael Niedermayer
334d24b539
INSTALL: explain the circular dependency issue and solution
Sponsored-by: Sovereign Tech Fund
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit df00705e00)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:12 +01:00
Michael Niedermayer
b612d3634c
avformat/mpegts: Initialize predefined_SLConfigDescriptor_seen
Fixes: use of uninitialized variable
Fixes: 368729566/clusterfuzz-testcase-minimized-ffmpeg_dem_MPEGTS_fuzzer-6044501804646400

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 db7b4fc89f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:11 +01:00
Michael Niedermayer
6c14d8e338
avformat/mxfdec: Fix overflow in midpoint computation
Fixes: signed integer overflow: 4611686016549392399 + 9223372033098784800 cannot be represented in type 'long long'
Fixes: 368503277/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-5928227458056192

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 23088a5ff2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:11 +01:00
Michael Niedermayer
9bef02015e
swscale/output: used unsigned for bit accumulation
Fixes: Integer overflow
Fixes: 368725672/clusterfuzz-testcase-minimized-ffmpeg_SWS_fuzzer-5009093023563776

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 3fe3014405)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 17:53:11 +01:00