Commit graph

41686 commits

Author SHA1 Message Date
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
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
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
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
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
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
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
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
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
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
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
Andreas Rheinhardt
4872230633 avcodec/ac3enc: Fix memleak
Fixes ticket #8294.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 097c917c14)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-05-04 20:20:30 +02:00
Michael Niedermayer
c8ca479572 avcodec/diracdec: avoid signed integer overflow in global mv
Fixes: signed integer overflow: -128275513086 * -76056576 cannot be represented in type 'long'
Fixes: 45818/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5129799149944832

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 7f1279684e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-04-09 22:19:41 +02:00
Michael Niedermayer
61f4c4fc42 avcodec/takdsp: Fix integer overflow in decorrelate_sf()
Fixes: signed integer overflow: -101 * 71041254 cannot be represented in type 'int'
Fixes: 45938/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TAK_fuzzer-4687974320701440

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 01d8c887f6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-04-09 22:19:41 +02:00
Michael Niedermayer
b3843ee24e avcodec/apedec: fix a integer overflow in long_filter_high_3800()
Fixes: signed integer overflow: -2146549696 - 3923884 cannot be represented in type 'int'
Fixes: 45907/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5992380584558592

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 b085b400be)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-04-09 22:19:41 +02:00
Michael Niedermayer
ab70bfcbdd avcodec/pixlet: Avoid signed integer overflow in scaling in filterfn()
Fixes: signed integer overflow: 11494 * 1073741824000000 cannot be represented in type 'long'
Fixes: 26586/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PIXLET_fuzzer-5752633970917376

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 0c1f20c6c8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-04-09 22:19:41 +02:00
Michael Niedermayer
12e26cffcf avcodec/sonic: Use unsigned for predictor_k to avoid undefined behavior
Fixes: signed integer overflow: -1094995529 * 24 cannot be represented in type 'int'
Fixes: 44436/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SONIC_fuzzer-4874459459223552

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 28008bf95e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-04-09 22:19:41 +02:00
Michael Niedermayer
76e56f0006 avcodec/jpeglsdec: Fix if( code style
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f306b8e80a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-04-09 22:19:40 +02:00
Michael Niedermayer
b6061e3d8e avcodec/jpeglsdec: Check get_ur_golomb_jpegls() for error
Fixes: Timeout
Fixes: Invalid shift
Fixes: 44548/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEGLS_fuzzer-556487680891289
Fixes: 44569/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AMV_fuzzer-6302543246917632
Fixes: 44570/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THP_fuzzer-4550196556595200
Fixes: 44592/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-5651610385121280
Fixes: 44571/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-5094698987945984
Fixes: 44607/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-5341352013987840

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 151f83584e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-04-09 22:19:40 +02:00
Michael Niedermayer
87297d5021 avcodec/motion_est: fix indention of ff_get_best_fcode()
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ce43e1c581)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-04-09 22:19:40 +02:00
Michael Niedermayer
2262e53f96 avcodec/motion_est: Fix xy indexing on range violation in ff_get_best_fcode()
This codepath seems untested, no testcases change

Found-by: <mkver>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 634312a70f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-04-09 22:19:40 +02:00
Michael Niedermayer
c7c714719e avcodec/jpeglsdec: Increase range for N in ls_get_code_runterm() by using unsigned
Fixes: left shift of 32768 by 16 places cannot be represented in type 'int'
Fixes: Timeout
Fixes: 44219/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SMVJPEG_fuzzer-4679455379947520
Fixes: 44088/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SMVJPEG_fuzzer-4885976600674304

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 6ee283d7d0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-04-09 22:19:40 +02:00
Michael Niedermayer
210b4b9871 avcodec/apedec: Fix integer overflows in predictor_update_3930()
Fixes: signed integer overflow: 1074134419 - -1075212485 cannot be represented in type 'int'
Fixes: 43273/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-4706880883130368

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 0c9c9bbd01)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-04-09 22:19:40 +02:00
Michael Niedermayer
254ebed4d5 avcodec/apedec: fix integer overflow in 8bit samples
Fixes: signed integer overflow: 2147483542 + 128 cannot be represented in type 'int'
Fixes: 42812/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-6344057861832704

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 7cee3b3718)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-04-09 22:19:40 +02:00
Michael Niedermayer
7caa166ac3 avcodec/vqavideo: reset accounting on error
Fixes: Timeout (same growing chunk is decoded to failure repeatedly)
Fixes: 42582/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VQA_fuzzer-6531195591065600

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 d8ea7a67ba)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-04-09 22:19:40 +02:00
Michael Niedermayer
e546e9c5b4 avcodec/alacdsp: fix integer overflow in decorrelate_stereo()
Fixes: signed integer overflow: -16777216 * 131 cannot be represented in type 'int'
Fixes: 23835/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-5669943160078336
Fixes: 41101/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-4636330705944576

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 68457c1e85)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-04-09 22:19:40 +02:00
Michael Niedermayer
531eeb81ce avcodec/apedec: Change avg to uint32_t
Fixes: Integer overflow
Fixes: 40973/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-6739312704618496

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Suggested-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0ec75723a4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-04-09 22:19:40 +02:00
Michael Niedermayer
d38c8064d4 avcodec/g729dec: Avoid computing invalid temporary pointers for ff_acelp_weighted_vector_sum()
Fixes: Ticket8176

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2c78a76cb0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-04-09 22:19:40 +02:00
Michael Niedermayer
422cec5088 avcodec/flac_parser: Consider AV_INPUT_BUFFER_PADDING_SIZE
Fixes: out if array read
Fixes: 40109/clusterfuzz-testcase-minimized-ffmpeg_dem_FLAC_fuzzer-4805686811295744

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Mattias Wadman <mattias.wadman@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-04-09 22:19:40 +02:00
Michael Niedermayer
f3f575e395 avcodec/ttadsp: Fix integer overflows in tta_filter_process_c()
Fixes: signed integer overflow: 822841647 + 1647055738 cannot be represented in type 'int'
Fixes: 39935/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TTA_fuzzer-4592657142251520

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 f24028c798)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-04-09 22:19:40 +02:00
Michael Niedermayer
3c81d7025e avcodec/apedec: Use 64bit to avoid overflow
Fixes: runtime error: signed integer overflow: 727298502 * 3 cannot be represented in type 'int'
Fixes: 39172/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-638602483033702

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 f059b56195)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-10-16 21:19:24 +02:00
Michael Niedermayer
9236882745 avcodec/apedec: Fix undefined integer overflow in long_filter_ehigh_3830()
Fixes: signed integer overflow: -2145648640 - 3357696 cannot be represented in type 'int'
Fixes: 38899/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5358815017566208

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 ad517ee6e4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-10-16 21:19:24 +02:00
Michael Niedermayer
c59e2d2f03 avcodec/mxpegdec: Check for AVDISCARD_ALL
Fixes: Fixes NULL pointer dereference
Fixes: 36610/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MXPEG_fuzzer-6052641783283712
Fixes: 37907/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MXPEG_fuzzer-4725170850365440
Fixes: 37904/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MXPEG_fuzzer-6367889262247936
Fixes: 38085/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MXPEG_fuzzer-5175270823297024

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 20afd3a63a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-10-06 12:06:15 +02:00
Michael Niedermayer
800e7d83e8 avcodec/flicvideo: Check remaining bytes in FLI*COPY
Fixes: Timeout
Fixes: 37795/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FLIC_fuzzer-4846536543043584

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 5f835efbca)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-10-06 12:06:15 +02:00
Michael Niedermayer
512a132e4c avcodec/cbs_h265_syntax_template: Limit sps_num_palette_predictor_initializer_minus1 to 127
Fixes: index 128 out of bounds for type 'uint16_t [128]'
Fixes: 38651/clusterfuzz-testcase-minimized-ffmpeg_BSF_HEVC_METADATA_fuzzer-6296416058736640

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 85413a5ae6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-10-06 12:06:15 +02:00
Michael Niedermayer
448e9ce5e5 avcodec/mpeg12dec: Do not put mpeg_f_code into an invalid state on error return
Fixes: invalid shift
Fixes: 37018/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG2VIDEO_fuzzer-5290280902328320

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 5a95abcce4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-10-06 12:06:15 +02:00
Michael Niedermayer
552430993d avcodec/mpegvideo_enc: Limit bitrate tolerance to the representable
Fixes: error: 1.66789e+11 is outside the range of representable values of type 'int'
Fixes: Ticket8201

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 245017ec8a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-10-06 12:06:15 +02:00
Michael Niedermayer
25f9794e56 avcodec/apedec: Fix integer overflow in intermediate
Fixes: signed integer overflow: 559334865 * 4 cannot be represented in type 'int'
Fixes: 37929/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-6751932295806976

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 90da43557f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-10-06 12:06:15 +02:00
Paul B Mahol
e06e89f627 avcodec/pngenc: remove monowhite from apng formats
Monowhite pixel format is not supported, and it does not make sense
to add support for it.

Fixes #7989

(cherry picked from commit 5d9f44da46)
Signed-off-by: James Almer <jamrial@gmail.com>
2021-09-13 16:50:33 -03:00