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Author SHA1 Message Date
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 6d8285633d8965658dfa6cd0b201cca36184c467)
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 84569b6c22cb4eda9c682aabeb5f658112126780)
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 7051825b0171bd5d566c5a5cc78852c5f3aa3072)
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 edc4855f7710c4563e7cd5773598f8341f64e019)
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 07904231cb9730e09e2b7948e3977e7c2eafbb10)
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 96d45c3b212689f82bff2530c3637405df9e9369)
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 e30d957a9bacf7f7307c640aa0bd1e70cb3bbe7e)
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 898f6582eb51bf77b1f88e8f55eab67ee6ee13b8)
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 bf8e43083f68c383b9d905d2c8c791ac33ecc7bc)
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 beca13a42e9fb5341e8bd6356fd7d9c2d18aac9b)
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 df00705e0010cc2c53d17d51944f847c2c852189)
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 db7b4fc89fb18d5ff0a1426bd433c234555a3fff)
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 23088a5ff2b549fa4fc037bb9ed833fffbc89ca0)
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 3fe3014405494503a03c2e6eff4743db91a21c00)
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 d147b3d7ecba2bd40cb45284f920238da97a95ee)
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 10e5af15bf220d9da128ca12d2d474ff6ab0076e)
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 b7ff66a35804275b25c1176cad560540785e8750)
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 c4122406f6d2726aea833480a2a8e345833dd881)
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 057b8c2066da3554072565744f4f00435cc3342b)
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 556c767786e9e3c072f7666d60a68a31a3400438)
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 7d514655bfa47c6e5cc1b81fbba8e750e368036e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:55 +01:00
Michael Niedermayer
27ed6de46d avcodec/ffv1enc: 2Pass mode is not possible with golomb coding 
"Fixes" Ticket7063

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 417b163c00555ccda201a963e797bfa663a26ff5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:55 +01:00
Michael Niedermayer
5585e33181 avcodec/ffv1enc: Fix >8bit context size 
Fixes: Ticket5405

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a9c83e43f2fc9128e20851291b0270add1a6b95f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:54 +01:00
Michael Niedermayer
ad989ae50b avcodec/xan: Add basic input size check 
Fixes: Timeout
Fixes: 71739/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XAN_WC3_fuzzer-6170301405134848

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpe
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 56bef2fd58d0ed30dbe940083c30ada2b0404491)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:54 +01:00
Michael Niedermayer
6f395fba57 avcodec/imm4: Check input size 
Fixes: Timeout
Fixes: 71324/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IMM4_fuzzer-5388489435185152

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 8367d7e184562f8b9f410c0f325596f7e041884f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:54 +01:00
Michael Niedermayer
0f0645381b avcodec/svq3: Check for minimum size input 
Fixes: Timeout
Fixes: 71295/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SVQ3_fuzzer-4999941125111808

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 050b5e85cbe61414ba9b78f76a04b2488e816f42)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:53 +01:00
Michael Niedermayer
f8b1d416e3 avcodec/eacmv: Check input size for intra frames 
Fixes: Timeout
Fixes: 71135/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EACMV_fuzzer-6251879028293632

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 c3a1cbbf5d99337b5e99260eb95c84e65c7587f6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:53 +01:00
Michael Niedermayer
0b5bfff1c0 tools/target_dec_fuzzer: Adapt threshold for RASC 
Fixes: Timeout
Fixes: 71108/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RASC_fuzzer-4799330484027392

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 9a823fbcfae33c8022086cbdea94e8e6d7b32ec1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:52 +01:00
Michael Niedermayer
d4bdaa24ea avcodec/encode: Check bitrate 
Fixes: -1.80923e+19 is outside the range of representable values of type 'long'
Fixes: 71103/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SNOW_fuzzer-6542773681979392

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 74385dd496bdcda9a6e029fabf4946f2234a0d13)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:52 +01:00
Michael Niedermayer
ab1b1ef730 avcodec/cbs_h266_syntax_template: Check bit depth with range extension 
Fixes: shift exponent 62 is too large for 32-bit type 'int'
Fixes: 71020/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VVC_fuzzer-6444916325023744
Fixes: 71285/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VVC_fuzzer-4761971281428480

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 9d25b9665edb45c31ad6dda9612fd6e63fc289f3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:52 +01:00
Michael Niedermayer
b67e271bed avcodec/osq: use unsigned for decorrelation 
Fixes: signed integer overflow: 1205469696 + 1901074655 cannot be represented in type 'int'
Fixes: 70773/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OSQ_fuzzer-5419594888577024

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 e9f588af9530e5e6f9422ffa0d8e8dc8f80a2ae1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:51 +01:00
Michael Niedermayer
44bf027a3f avcodec/jfdctint_template: use unsigned z* in row_fdct() 
Fixes: signed integer overflow: 856827136 + 2123580416 cannot be represented in type 'int'
Fixes: 70772/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PRORES_KS_fuzzer-5180569961431040

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 f27c8b04d3059fa538db8f2db6503cbb586eb3ad)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:51 +01:00
Michael Niedermayer
5ea1ae9385 avformat/asf: Check picsize 
Fixes: signed integer overflow: 1073750247 * 2 cannot be represented in type 'int'
Fixes: 70722/clusterfuzz-testcase-minimized-ffmpeg_dem_ASF_O_fuzzer-5447231587549184

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 fde8637fda8e5ac4ccfa4b137a7467e16cd631b6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:51 +01:00
Michael Niedermayer
af50c43d82 avcodec/osq: Treat sum = 0 as k = 0 
We have no valid sample that triggers this so we do not know if this would decode
correctly, but -inf is not the correct k value

Fixes: Assertion n>=0 && n<=32 failed at libavcodec/get_bits.h:423
Fixes: -inf is outside the range of representable values of type 'int'
Fixes: 70709/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OSQ_fuzzer-6223623839350784

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
(cherry picked from commit ad35eaf848bb605d9b2b3a638265ac9d385878e3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:50 +01:00
Michael Niedermayer
c3d84bdcbf avformat/mxfdec: Check timecode for overflow 
Fixes: signed integer overflow: 9223372036840103968 + 538976288 cannot be represented in type 'long'
Fixes: 70604/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-4844090340999168

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 6be3786c828edfd60d810c98a42a43eeac4f050c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:50 +01:00
Michael Niedermayer
c709d551d6 avformat/mxfdec: More offset_temp checks 
Fixes: signed integer overflow: 9223372036854775807 - -1927491430256034080 cannot be represented in type 'long'
Fixes: 70607/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-5282235077951488

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 5a96aa435af0d66bdec52ee115cf4dd971855fcd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:50 +01:00
Michael Niedermayer
73475dfa8d avformat/flvdec: Free metaVideoColor 
Fixes: memeleak
Fixes: 70659/clusterfuzz-testcase-minimized-ffmpeg_dem_KUX_fuzzer-4539872627458048

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 176db9db6e23f3299da379060adc89e4abc980b9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:49 +01:00
Michael Niedermayer
8840b81535 swscale/output: Fix undefined integer overflow in yuv2rgba64_2_c_template() 
Fixes: signed integer overflow: -1082982400 + -1083218484 cannot be represented in type 'int'
Fixes: 70657/clusterfuzz-testcase-minimized-ffmpeg_SWS_fuzzer-6707819712675840

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 bd80c97391969f9dbb312d6c498211ad85bb67cb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:49 +01:00
Michael Niedermayer
d300b23bad swscale/swscale: Use unsigned operation to avoid undefined behavior 
I have not checked that the constant is correct, this just fixes the undefined behavior

Fixes: signed integer overflow: -646656 * 3517 cannot be represented in type 'int
Fixes: 70559/clusterfuzz-testcase-minimized-ffmpeg_SWS_fuzzer-5209368631508992

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 44c5641ae82387fcfce94820f5b53ce8e9dcd27f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:49 +01:00
Michael Niedermayer
748e8c6afa avcodec/vc2enc: basic sanity check on slice_max_bytes 
Fixes: left shift of 896021632 by 3 places cannot be represented in type 'int'
Fixes: 70544/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC2_fuzzer-6685593652756480

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 6df9a0292ca6c29ef3b220fbf9b257924cabf035)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:48 +01:00
Michael Niedermayer
bd29e0ca59 avformat/mvdec: Check if name was fully read 
Fixes: use of uninitialized value
Fixes: 70901/clusterfuzz-testcase-minimized-ffmpeg_dem_MV_fuzzer-6341913949569024

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 4e39795c75e664ef06f17473adec8c75fcf9de6f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:48 +01:00
Michael Niedermayer
45c9900a9f avcodec/wmavoice: Do not use uninitialized pitch[0] 
Fixes: use of uninitialized value
Fixes: 70850/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAVOICE_fuzzer-4806127362048000

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 53387079301690f1bd38b97fdf31d63194201d17)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:48 +01:00
Michael Niedermayer
7289a09477 avformat/argo_brp: Check that ASF chunk header is completely read 
Fixes: Use of uninitialized value
Fixes: 71280/clusterfuzz-testcase-minimized-ffmpeg_dem_ARGO_BRP_fuzzer-4692991866896384

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 815d00868101956e2f1f9f8dd509c11af5a63684)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:47 +01:00
Michael Niedermayer
d349ad7bb6 avcodec/notchlc: Check bytes left before reading 
Fixes: Use of uninitialized value
Fixes: 71230/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_NOTCHLC_fuzzer-4624502095413248

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 b9c7f50c7de9b7d8c533eae173c9b77a6719346c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:47 +01:00
Michael Niedermayer
f2d7b8089f avcodec/vc1_block: propagate error codes 
Fixes: use of uninitialized value
Fixes: 71228/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-6188476880453632

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 01910ca6037379804572c5ec9bbd0b94e7e4b83e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:47 +01:00
Michael Niedermayer
d649d42a2c avformat/apetag: Check APETAGEX 
Fixes: Use of uninitialized value
Fixes: 71074/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-5697034877730816

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 796ff2d599449ed798b69ab798ebcbcc0a5853f5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:46 +01:00
Michael Niedermayer
5742fce47a avcodec/magicyuvenc: better slice height 
Fixes: Use of uninitialized value
Fixes: 71072/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MAGICYUV_fuzzer-4835252046987264

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 b08776e3ae9a5315c19e8619ca71921006c1abe1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:46 +01:00
Michael Niedermayer
24396a0caf avcodec/avcodec: Warn about data returned from get_buffer*() 
Text based on suggestion by: epirat07@gmail.com
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 93444c46fce195e378c4ebb1a20ea662e7f0123b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:46 +01:00
Michael Niedermayer
470718d8cb avformat/av1dec: Better fix for 70872/clusterfuzz-testcase-minimized-ffmpeg_dem_OBU_fuzzer-6005782487826432 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7ad937f0c8cb9f120c50f3e792a699076923768e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:45 +01:00
Michael Niedermayer
d8be286c00 avcodec/apac: Fix discards ‘const’ qualifier 
Found-by: courmisch
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 45ee6b1e3d4f762e372e09505c9c8ca37c1321a0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-02-27 01:41:45 +01:00