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Author SHA1 Message Date
Michael Niedermayer
e474173f47 avformat/nutdec: Check fields 
Fixes: signed integer overflow: -2147483648 - 1 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_NUT_fuzzer-6566001610719232

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2c146406ea)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:51 +02:00
Michael Niedermayer
167c0dcfdc avformat/dxa: avoid bpc overflows 
Fixes: signed integer overflow: 2147483647 + 32 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_DXA_fuzzer-6639823726706688

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 93db0f0740)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:50 +02:00
Michael Niedermayer
9fb728dd1c avformat/cafdec: Check that nb_frasmes fits within 64bit 
Fixes: signed integer overflow: 1099511693312 * 538976288 cannot be represented in type 'long'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-6565048815845376

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d4bb4e3759)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:50 +02:00
Michael Niedermayer
955ed9b641 avformat/asfdec_o: Limit packet offset 
avoids overflows with it

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

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 736e9e69d5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:50 +02:00
Michael Niedermayer
3e208ef088 avformat/ape: Check frames size 
Fixes: signed integer overflow: 9223372036854775806 + 3 cannot be represented in type 'long'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_APE_fuzzer-6389264140599296

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d0349c9929)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:49 +02:00
Michael Niedermayer
80ec0ca973 avformat/icodec: Check nb_pal 
Fixes: signed integer overflow: 538976288 * 4 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_ICO_fuzzer-6690068904935424

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit db73ae0dc1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:49 +02:00
Michael Niedermayer
d52ed1be9e avformat/aiffdec: Use 64bit for block_duration use 
Fixes: signed integer overflow: 3 * -2147483648 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_AIFF_fuzzer-6668935979728896

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9303ba272e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:49 +02:00
Michael Niedermayer
9959b6e2eb avformat/aiffdec: Check block_duration 
Fixes: signed integer overflow: 3 * -2147483648 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_AIFF_fuzzer-6668935979728896

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1c2b6265c8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:48 +02:00
Michael Niedermayer
e55980d3bf avformat/mxfdec: only probe max run in 
Suggested-by: Tomas Härdin <tjoppen@acc.umu.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1182bbb2c3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:48 +02:00
Michael Niedermayer
045ed347fb avformat/mxfdec: Check run_in is within 65536 
Fixes: signed integer overflow: 9223372036854775807 - -2146905566 cannot be represented in type 'long'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-6570996594769920

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7786097825)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:48 +02:00
Michael Niedermayer
a101c97782 avcodec/apedec: Fix integer overflow in filter_3800() 
Fixes: signed integer overflow: -2147448926 + -198321 cannot be represented in type 'int'
Fixes: 48798/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5739619273015296
Fixes: 48798/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-6744428485672960

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 f05247f6a4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:47 +02:00
Michael Niedermayer
7d5e8bdb0a avcodec/tta: Check 24bit scaling for overflow 
Fixes: signed integer overflow: -8427924 * 256 cannot be represented in type 'int'
Fixes: 48798/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TTA_fuzzer-5409428670644224

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 3993345f91)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:47 +02:00
Michael Niedermayer
53f3a25107 libavformat/hls: Free keys 
Fixes: memleak
Fixes: 50703/clusterfuzz-testcase-minimized-ffmpeg_dem_HLS_fuzzer-6399058578636800

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Steven Liu <lingjiujianke@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d32a9f3137)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:47 +02:00
Michael Niedermayer
f0fb070286 avcodec/fmvc: Move frame allocation to a later stage 
This way more things are checked before allocation

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9783749c66)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:46 +02:00
Michael Niedermayer
c263380558 avcodec/speedhq: Check width 
Fixes: out of array access
Fixes: 50014/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SPEEDHQ_fuzzer-4748914632294400

Alternatively the buffer size can be increased

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 f0395f9ef6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:46 +02:00
Michael Niedermayer
b222272124 avcodec/bink: disallow odd positioned scaled blocks 
Fixes: out of array access
Fixes: 47911/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BINK_fuzzer-6194020855971840

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b14104a637)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:46 +02:00
Michael Niedermayer
bf29c080b1 avformat/asfdec_o: limit recursion depth in asf_read_unknown() 
The threshold of 5 is arbitrary, both smaller and larger should work fine

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

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1f1a368169)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:45 +02:00
Michael Niedermayer
8f443328c0 doc/git-howto.texi: Document commit signing 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ced0dc807e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:45 +02:00
Michael Niedermayer
82e77e0dec libavcodec/8bps: Check that line lengths fit within the buffer 
Fixes: Timeout
Fixes: undefined pointer arithmetic
Fixes: 50330/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EIGHTBPS_fuzzer-5436287485607936

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 2316d5ec1a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:45 +02:00
Michael Niedermayer
37139adfbf libavformat/iff: Check for overflow in body_end calculation 
Fixes: signed integer overflow: -6322983228386819992 - 5557477266266529857 cannot be represented in type 'long'
Fixes: 50112/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-6329186221948928

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bcb4690304)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:44 +02:00
Michael Niedermayer
2f2a3397cc avformat/avidec: Prevent entity expansion attacks 
Fixes: Timeout
Fixes no testcase, this is the same idea as similar attacks against XML parsers

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f3e823c2aa)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:44 +02:00
Michael Niedermayer
4d537913e5 avcodec/h263dec: Sanity check against minimal I/P frame size 
Fixes: Timeout
Fixes: 49718/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-4874987894341632

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 ca4ff9c21c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:44 +02:00
Michael Niedermayer
ec9af84dc5 avcodec/hevcdec: Check s->ref in the md5 path similar to hwaccel 
This is somewhat redundant with the is_decoded check. Maybe
there is a nicer solution

Fixes: Null pointer dereference
Fixes: 49584/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5297367351427072

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 3b51e19922)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:43 +02:00
Michael Niedermayer
8229f4327f MAINTAINERS: Add ED25519 key for signing my commits in the future 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 05225180be)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:43 +02:00
Michael Niedermayer
0bea6b5d50 avcodec/hevc_filter: copy_CTB() only within width&height 
Fixes: out of array access
Fixes: 49271/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5424984922652672

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 009ef35d38)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:43 +02:00
Michael Niedermayer
f198ffcf38 avformat/flvdec: Check for EOF in index reading 
Fixes: Timeout
Fixes: 47992/clusterfuzz-testcase-minimized-ffmpeg_dem_LIVE_FLV_fuzzer-6020443879899136

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ceff5d7b74)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:42 +02:00
Michael Niedermayer
5cefe5d304 avformat/nutdec: Check get_packetheader() in mainheader 
Fixes; Timeout
Fixes: 48794/clusterfuzz-testcase-minimized-ffmpeg_dem_NUT_fuzzer-6524604713140224

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b5de084aa6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:42 +02:00
Michael Niedermayer
c9d8271274 avformat/asfdec_f: Use 64bit for packet start time 
Fixes: signed integer overflow: 2147483647 + 32 cannot be represented in type 'int'
Fixes: 49014/clusterfuzz-testcase-minimized-ffmpeg_dem_ASF_fuzzer-6314973315334144

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8ed78486fc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:42 +02:00
Michael Niedermayer
85d59a6a98 avcodec/lagarith: Check dst/src in zero run code 
Fixes: out of array access
Fixes: 48799/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LAGARITH_fuzzer-4764457825337344

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9450f75974)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:41 +02:00
Michael Niedermayer
99f1f07b78 avcodec/h264dec: Skip late SEI 
Fixes: Race condition
Fixes: clusterfuzz-testcase-minimized-mediasource_MP2T_AVC_pipeline_integration_fuzzer-6282675434094592

Found-by: google ClusterFuzz
Tested-by: Dan Sanders <sandersd@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f7dd408d64)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:41 +02:00
Michael Niedermayer
5deba24c22 avcodec/sbrdsp_fixed: Fix integer overflows in sbr_qmf_deint_neg_c() 
Fixes: signed integer overflow: 2147483645 + 16 cannot be represented in type 'int'
Fixes: 46993/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-4759025234870272

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 1537f40516)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:41 +02:00
Michael Niedermayer
b3fdcaca7b avfilter/vf_signature: Fix integer overflow in filter_frame() 
Fixes: CID1403233

The second of the 2 changes may be unneeded but will help coverity

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit dd6040675e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:40 +02:00
Michael Niedermayer
6c1a7a829d avformat/rtsp: break on unknown protocols 
This function needs more cleanup and it lacks error handling

Fixes: use of uninitialized memory
Fixes: CID700776

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 73c0fd27c5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:40 +02:00
Michael Niedermayer
8a4e3bc1c5 avcodec/hevcdsp_template: stay within tables in sao_band_filter() 
Fixes: out of array read
Fixes: 47875/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5719393113341952

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 9c5250a561)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:40 +02:00
Michael Niedermayer
f9afd5cacc avcodec/qpeldsp: copy less for the mc0x cases 
Fixes: out of array access
Fixes: 47936/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-5745039940124672

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 e690d4edf5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:39 +02:00
Michael Niedermayer
f7b403bba6 avcodec/ffv1dec: Limit golomb rice coded slices to width 8M 
This limit is possibly not reachable due to other restrictions on buffers but
the decoder run table is too small beyond this, so explicitly check for it.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b4431399ec)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:39 +02:00
Michael Niedermayer
aedff4dc8b avformat/iff: simplify duration calculation 
Fixes: signed integer overflow: 315680096256 * 134215943 cannot be represented in type 'long long'
Fixes: 48713/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-5886272312311808

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0740641e93)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:39 +02:00
Michael Niedermayer
c065971bf8 avcodec/wnv1: Check for width =1 
The decoder only outputs pixels for width >1 images, fail early

Fixes: Timeout
Fixes: 48298/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WNV1_fuzzer-6198626319204352

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 d98d5a436a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:38 +02:00
Michael Niedermayer
2bfc334441 avformat/sctp: close socket on errors 
This is untested as i have no testcase

Fixes: CID1302709

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c9a2996544)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:38 +02:00
Michael Niedermayer
0e8b1a8b44 avcodec/aasc: Fix indention 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit af2ed09220)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:38 +02:00
Michael Niedermayer
9be645c544 avcodec/qdrw: adjust max colors to array size 
Fixes: out of array access
Fixes: 48429/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDRAW_fuzzer-4608329791438848

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cd847f86d3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:37 +02:00
Michael Niedermayer
b6c471ab4e avcodec/alacdsp: Make intermediates unsigned 
Fixes: signed integer overflow: -14914387 + -2147418648 cannot be represented in type 'int'
Fixes: 46464/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-474307197311385

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 8709f4c10a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:37 +02:00
Michael Niedermayer
cc2357f36f avformat/aiffdec: cleanup size handling for extreem cases 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c6f1e48b86)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:37 +02:00
Michael Niedermayer
36fdafb16d avcodec/jpeglsdec: fix end check for xfrm 
Fixes: out of array access
Fixes: 47871/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AMV_fuzzer-5646305956855808

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 6a82412bf3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:36 +02:00
Michael Niedermayer
d5d3f80e17 avcodec/cdgraphics: limit scrolling to the line 
Fixes: out of array access
Fixes: 47877/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CDGRAPHICS_fuzzer-5690504626438144

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 b7e30a13d4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:36 +02:00
Michael Niedermayer
4d7a4f66f8 avformat/aiffdec: avoid integer overflow in get_meta() 
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 45891/clusterfuzz-testcase-minimized-ffmpeg_dem_AIFF_fuzzer-6159183893889024

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6a02de2127)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:36 +02:00
Michael Niedermayer
93145eaeba avformat/ape: more bits in size for less overflows 
Fixes: signed integer overflow: 2147483647 + 3 cannot be represented in type 'int'
Fixes: 46184/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-4678059519770624

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e5f6707a7b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:35 +02:00
Michael Niedermayer
0487f8e95e avformat/bfi: Check offsets better 
Fixes: signed integer overflow: -2145378272 - 538976288 cannot be represented in type 'int'
Fixes: 45690/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-5015496544616448

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 35dc93ab44)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:35 +02:00
Michael Niedermayer
12794ff1e4 avformat/asfdec_f: Check packet_frag_timestamp 
Fixes: signed integer overflow: -9223372036854775808 - 4607 cannot be represented in type 'long'
Fixes: 45685/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-5280102802391040

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 ffc8772150)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:35 +02:00
Michael Niedermayer
dc4d0f630b avcodec/texturedspenc: Fix indexing in color distribution determination 
Fixes CID1396405

MSE and PSNR is slightly improved, and some noticable corruptions disappear as
well.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Marton Balint <cus@passwd.hu>
(cherry picked from commit ade36d61de)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2022-10-09 22:15:34 +02:00