Commit graph

114984 commits

Author SHA1 Message Date
Michael Niedermayer
29ff07ab76
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 01:42:12 +01:00
Michael Niedermayer
439d36d539
avformat/iamf_parse: Check output_channel_count
Fixes: -nan is outside the range of representable values of type 'int'
Fixes: 377072730/clusterfuzz-testcase-minimized-ffmpeg_dem_IAMF_fuzzer-6545416570601472

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 4485a0fd77)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:42:11 +01:00
Michael Niedermayer
dfeb22ffa7
avcodec/osq: Fixes several undefined overflows in do_decode()
Fixes: signed integer overflow: 1239596184 + 2119376059 cannot be represented in type 'int'
Fixes: 376136844/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OSQ_fuzzer-6581164455821312

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 0f511b4518)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:42:11 +01:00
Michael Niedermayer
cd163136b5
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 01:42:11 +01:00
Michael Niedermayer
1e3b60a916
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 01:42:10 +01:00
Michael Niedermayer
45944e0c1f
avfilter/vf_grayworld: Use the correct pointer for av_log()
Fixes: crash

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 9ffa127aa6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:42:10 +01:00
Michael Niedermayer
3bdb889b11
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 01:42:10 +01:00
Michael Niedermayer
932b0ea281
avcodec/get_buffer: Use av_buffer_mallocz() for audio same as its done for video
Fixes: Use of uninintialized value
Fixes: 70993/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_LATM_fuzzer-6378949754552320
Fixes: 71104/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5001538727116800

For the AAC/USAC/SBR code which reads uninitialized memory, it would be good, if it did not
a fix for that is welcome!

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 b9b4c9ebf0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:42:09 +01:00
Michael Niedermayer
3b0c222dc0
avformat/jpegxl_anim_dec: clear buffer padding
Fixes: use of uninitialized value
Fixes: 70992/clusterfuzz-testcase-minimized-ffmpeg_dem_IMAGE2_fuzzer-5735819170611200

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 3f0b95bb17)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:42:09 +01:00
Michael Niedermayer
e43f54f043
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 01:42:09 +01:00
Michael Niedermayer
b6f184ac47
avcodec/cfhdenc: Clear dwt_tmp
This occurs on a 32x32 input

Fixes: use of uninitialized value
Fixes: 70897/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CFHD_fuzzer-5960860961406976

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 9de721de70)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:42:08 +01:00
Michael Niedermayer
9b82620275
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 01:42:08 +01:00
Michael Niedermayer
b4c888343a
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 01:42:08 +01:00
Michael Niedermayer
65e885dd58
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 01:42:07 +01:00
Michael Niedermayer
c99baf2cee
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 01:42:07 +01:00
Michael Niedermayer
d06fcec830
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 01:42:07 +01:00
Michael Niedermayer
caceeed2b4
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 01:42:06 +01:00
Michael Niedermayer
b263aa0095
tools/target_dec_fuzzer: Adjust threshold for EACMV
Fixes: Timeout
Fixes: 382988735/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EACMV_fuzzer-5278721465974784

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 8f4eb0fe03)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:42:06 +01:00
Michael Niedermayer
7a6d21b293
tools/target_dec_fuzzer: Adjust threshold for MVC1
Fixes: Timeout
Fixes: 378231213/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MVC1_fuzzer-6640960500465664

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 e7230bc503)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:42:06 +01:00
Michael Niedermayer
cda205835f
tools/target_dec_fuzzer: Adjust Threshold for indeo5
Fixes: 379768251/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INDEO5_fuzzer-5981329084186624
Fixes: Timeout

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 89efc6c97c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:42:05 +01:00
Michael Niedermayer
a58941bc1f
avutil/timecode: Avoid fps overflow in av_timecode_get_smpte_from_framenum()
Fix from c94875471e

Found-by: Youngjae Choi <youngjaechoi@korea.ac.kr>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6ba33b50f5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:42:05 +01:00
Michael Niedermayer
d6a82f3f49
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 01:42:05 +01:00
Michael Niedermayer
6143f633f7
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 01:42:04 +01:00
Michael Niedermayer
06d71cd465
avformat/qcp: Check for read failure in header
Fixes: Use of uninitialized value
Fixes: 71551/clusterfuzz-testcase-minimized-ffmpeg_dem_QCP_fuzzer-4647386712965120

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 f52b9d0583)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:42:04 +01:00
Michael Niedermayer
f4d37b1a60
avcodec/eatgq: Check bytestream2_get_buffer() for failure
Fixes: Use of uninitialized memory
Fixes: 71546/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EATGQ_fuzzer-5607656650244096

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 4949e34d96)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:42:03 +01:00
Michael Niedermayer
690d4bb8cb
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 01:42:03 +01:00
Michael Niedermayer
d60d2313da
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 01:42:03 +01:00
Michael Niedermayer
47b3b3079b
avcodec/h2645_parse: Ignore NAL with nuh_layer_id == 63
Comply with "For purposes other than determining the amount of data in the decoding units
of the bitstream, decoders shall ignore all data that follow the value 63 for nuh_layer_id in a NAL unit"
Rec. ITU-T H.265 v8 (08/2021)	Page 67

Fixes: index 63 out of bounds for type 'const int8_t[63]' (aka 'const signed char[63]')
Fixes: clusterfuzz-testcase-fuzzer_loadfile-5109286752026624
Reported-by: Kacper Michajlow <kasper93@gmail.com>
Found-by: ossfuzz
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 360e7cafd0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:42:02 +01:00
Michael Niedermayer
47f88bf02a
avformat/iamf_parse: reject ambisonics mode > 1
ambisonics mode > 1 does not initialize any layer but layer 0
is unconditionally dereferenced

Fixes: poc-2024-11
Fixes: null pointer dereference
Found-by: 苏童 <220235212@seu.edu.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:42:02 +01:00
Michael Niedermayer
8334cae265
avcodec/mjpegdec: Disallow progressive bayer images
Fixes: Null pointer dereference
Fixes: sample1.dng
Found-by: South East <8billion.people@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6d8285633d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:42:02 +01:00
Michael Niedermayer
041084f753
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 01:42:01 +01:00
Michael Niedermayer
69c4c85432
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 01:42:01 +01:00
Michael Niedermayer
2c07fa346f
doc/infra: Document trac backup system
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit edc4855f77)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:42:01 +01:00
Michael Niedermayer
68c41b95e0
doc/infra: Document gitolite
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 07904231cb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:42:00 +01:00
Michael Niedermayer
8dfb82b732
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 01:42:00 +01:00
Michael Niedermayer
9078f0f524
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 01:42:00 +01:00
Michael Niedermayer
3cead954c8
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 01:41:59 +01:00
Michael Niedermayer
aa9e07461c
avformat/mccdec: Initialize and check rate.den
Fixes: Assertion c > 0 failed at libavutil/mathematics.c:61
Fixes: use-of-uninitialized-value
Fixes: 42537627/clusterfuzz-testcase-minimized-fuzzer_protocol_memory-5939605805793280

Found-by: ossfuzz
Reported-by: Kacper Michajlow
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bf8e43083f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:41:59 +01:00
Michael Niedermayer
4310bcb07d
avformat/rpl: check channels
Fixes: 42537199/clusterfuzz-testcase-minimized-fuzzer_loadfile_direct-5447162658357248
Fixes: runtime error: signed integer overflow: -3330498059201358222 * 4 cannot be represented in type 'int64_t' (aka 'long')

Found-by: ossfuzz
Reported-by: Kacper Michajlow
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit beca13a42e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:41:59 +01:00
Michael Niedermayer
3c53b9ff3e
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 01:41:58 +01:00
Michael Niedermayer
483b77b038
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 01:41:58 +01:00
Michael Niedermayer
351392460a
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 01:41:58 +01:00
Michael Niedermayer
b5cb8e4951
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 01:41:57 +01:00
Michael Niedermayer
c530cff25d
avcodec/rangecoder: only perform renorm check/loop for callers that need it
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d147b3d7ec)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:41:57 +01:00
Michael Niedermayer
a770e544a2
avcodec/ffv1dec: Fix end computation with ec=2
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 10e5af15bf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:41:57 +01:00
Michael Niedermayer
5a988a5fed
avcodec/ffv1enc: Prevent generation of files with broken slices
Fixes: Ticket5548

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b7ff66a358)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:41:56 +01:00
Michael Niedermayer
64cd344fbe
avformat/matroskadec: Check desc_bytes so bits fit in 64bit
Likely a tighter check can be done

Fixes: signed integer overflow: 3305606804154370442 * 8 cannot be represented in type 'long'
Fixes: 70449/clusterfuzz-testcase-minimized-ffmpeg_dem_WEBM_DASH_MANIFEST_fuzzer-4771166007918592

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 c4122406f6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:41:56 +01:00
Michael Niedermayer
16127ebb9f
avformat/mov: Avoid overflow in dts
This basically ignores the overflow without undefined behavior, alternatively we could detect and error out

Fixes: signed integer overflow: 6310596683470275584 + 7660622966157213696 cannot be represented in type 'long'
Fixes: 70433/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-5483347233538048
Fixes: 369662284/clusterfuzz-testcase-minimized-media_metadata_parser_fuzzer-5327368763670528

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 057b8c2066)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:41:56 +01:00
Michael Niedermayer
24e1f327a5
avcodec/ffv1enc: Correct error message about unsupported version
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 556c767786)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:41:55 +01:00
Michael Niedermayer
654d329fcb
avcodec/ffv1enc: Slice combination is unsupported
We always write minimal slices, the size calculation is wrong in some
corner cases but as its always 1x1 (minus1) we can for now just hard-code it

This helps with ticket 5548

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7d514655bf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-02-27 01:41:55 +01:00