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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-24 13:56:33 +02:00

98369 Commits

Author SHA1 Message Date
Michael Niedermayer
4fed6eade3 avformat/icodec: Change order of operations to avoid NULL dereference
Fixes: SEGV on unknown address 0x000000000000
Fixes: 26379/clusterfuzz-testcase-minimized-ffmpeg_dem_ICO_fuzzer-5709011753893888

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3300f5c133650ba25f94531d40ecc94c79b84457)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
29bc0b5986 avcodec/exr: Fix overflow with many blocks
Fixes: signed integer overflow: 1073741827 * 8 cannot be represented in type 'int'
Fixes: 25621/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-6304841641754624

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 7265b7d904f86ec1c681222310c739f92ba55e5e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
8d8357df19 avcodec/vp9dsp_template: Fix integer overflows in idct16_1d()
Fixes: signed integer overflow: -190760 * 11585 cannot be represented in type 'int'
Fixes: 25471/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VP9_fuzzer-5743354917421056

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 394e8bb385a351091cb1ba0be986f3bbb15039fd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
9514228b3d avcodec/ansi: Check initial dimensions
Fixes: Timeout (minutes to less than 1sec)
Fixes: 25682/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ANSI_fuzzer-6320712032452608

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 949f0a6be974e4083f8e130c2d6870ef26f0eece)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
5e42ad856b avcodec/hevcdec: Check slice_cb_qp_offset / slice_cr_qp_offset
Fixes: signed integer overflow: 29 + 2147483640 cannot be represented in type 'int'
Fixes: 25413/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5697909331591168

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 106f11f68af643ad1f372b840d38a0a30c6e9bcf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
8c7d818ab1 avcodec/sonic: Check for overread
Fixes: Timeout (too long -> 1.3 sec)
Fixes: 24358/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SONIC_fuzzer-5107284099989504

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 eeabdef1bf96cdecf80aeb8d0478d008457b048c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:21 +01:00
Michael Niedermayer
d6f7578b7d avformat/subviewerdec: fail on AV_NOPTS_VALUE
Such values are not supported by ff_subtitles_queue*

Fixes: signed integer overflow: 10 - -9223372036854775808 cannot be represented in type 'long'
Fixes: 24193/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5714901855895552

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 b7f51428b1c73ab5840485ce537ce098a85d0881)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
e2e2d9b66a avcodec/exr: Check line size for overflow
Fixes: signed integer overflow: 570425356 * 6 cannot be represented in type 'int
Fixes: 25929/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5099197739827200

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 9b72cea4463dd2fabcd9ba1454a0855e521d0148)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
ee69f64bdc avcodec/exr: Check xdelta, ydelta
Fixes: assertion failure
Fixes: 25617/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5648746061496320

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 6949df35d0c69ae91bb0f49069e0703deb9bd676)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
57e18185bf avcodec/celp_filters: Avoid invalid negation in ff_celp_lp_synthesis_filter()
Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself
Fixes: 25675/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G729_fuzzer-4786580731199488

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 11a6347f9e544a1b9fba059ae02c30c0e512c195)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
3dffbfac2c avcodec/takdsp: Fix negative shift in decorrelate_sf()
Fixes: left shift of negative value -4
Fixes: 25723/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TAK_fuzzer-6250580752990208

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 4f54f530039db149808478796e8389c14eb73095)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
106103d7b5 avcodec/dxtory: Fix negative stride shift in dx2_decode_slice_420()
Fixes: left shift of negative value -640
Fixes: 26044/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXTORY_fuzzer-5631057602543616

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 3291d994b76db4b6e67c8467367ce68f79785e60)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
5f554b5c0f avformat/asfdec_f: Change order or operations slightly
Fixes: signed integer overflow: 20 * 5184056935931942919 cannot be represented in type 'long'
Fixes: 25466/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4798660247552000

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 686f0151901849de3b2073fa73265472073e0208)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
07c714e07b avformat/dxa: Use av_rescale() for duration computation
Fixes: signed integer overflow: 8224000000 * 1629552639 cannot be represented in type 'long'
Fixes: 24908/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4658478506049536

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 c313089fbe1df71b5406dd9d7e4d36361051c620)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
0894fc6e66 avcodec/vc1_block: Fix integer overflow in ac value
Fixes: signed integer overflow: 25488 * 87381 cannot be represented in type 'int'
Fixes: 24765/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1_fuzzer-5108259565076480

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 3056e19e68122b9464b24870488f8faca4e78ea8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
a3b4190ffb avcodec/mv30: Fix several integer overflows in idct_1d()
Fixes: signed integer overflow: -1846510390 + -361755993 cannot be represented in type 'int'
Fixes: 23941/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MV30_fuzzer-5654696631730176

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 ddf2ba54979387740b0b2fb319bb5a2c9f78debe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
10b26c55d1 avformat/iff: Check data_size not overflowing int64
Fixes: Infinite loop
Fixes: 25844/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5660803318153216

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 24352ca79207d3311ee544fcba908a64004763ef)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
a5ff3de86e avcodec/dxtory: Fix negative shift in dx2_decode_slice_410()
Fixes: left shift of negative value -768
Fixes: 25574/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXTORY_fuzzer-6012596027916288

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 abebd87764992dc22c82802bdc75d40aac14ab86)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
e652893c04 avcodec/sonic: Check channels before deallocating
Fixes: heap-buffer-overflow
Fixes: 25744/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SONIC_fuzzer-5172961169113088

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f249981976b18438cfb646183d4c21fb051e1ad4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
f29a6a499a avformat/vividas: Check for EOF in first loop in track_header()
Fixes: timeout (243sec -> a few ms)
Fixes: 25716/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-5764093666131968

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 7170d342e597a39f48d1bedb3a2382f25a324155)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
e3508f371e avformat/wvdec: Check rate for overflow
Fixes: signed integer overflow: 6000 * -2147483648 cannot be represented in type 'int'
Fixes: 25700/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6578316302352384

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 688c1175ba91d0477cc461e5bfda210d6659a3b8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
d0cb1eb925 avcodec/ansi: Check nb_args for overflow
Fixes: Integer overflow (no testcase)

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bc0e776c9aaf06f437bf21e05a713fd54dc85400)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
282760537b avformat/wc3movie: Cleanup on wc3_read_header() failure
Fixes: memleak
Fixes: 23660/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6007508031504384

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 b78860e769876d9a18fc4f82dd8e808316d8e682)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
9487575d53 avformat/wc3movie: Move wc3_read_close() up
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0c635f2ce6c18d448e77605ee83b55bd8250f812)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
0263257062 avcodec/tiff: Fix default white level
According to the spec bits per sample should be used

Fix invalid shift with bpp=32
Fixes: shift exponent 32 is too large for 32-bit type 'unsigned int'
Fixes: 23507/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-4815432665268224

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 d54c24acde88a214489d5ef410982eedac7ffc29)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
0874afcfce avcodec/diracdsp: Fix integer anomaly in dequant_subband_*
Fixes: negation of -2147483648 cannot be represented in type 'int32_t' (aka 'int'); cast to an unsigned type to negate this value to itself
Fixes: 23760/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-604209011412172

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 ca3c6c981aa5b0af8a5576020b79fdd3cdf9ae9e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
253092e345 avutil/fixed_dsp: Fix integer overflows in butterflies_fixed_c()
Fixes: signed integer overflow: 0 - -2147483648 cannot be represented in type 'int'
Fixes: 23646/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5480991098667008

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 4a02ae49c26395fc3ae2d38c733a2a13bd3080e7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
604e27a614 avcodec/mv30: Check remaining mask in decode_inter()
Fixes: timeout (too long -> 4sec)
Fixes: 25129/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MV30_fuzzer-5642089713631232

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 142ae27b1d4d23b72396950ebaaeaca10ba600d9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
a119416654 avcodec/wmalosslessdec: Check remaining space before padding and channel residue
Fixes: Timeout (1101sec -> 0.4sec)
Fixes: 24491/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5725337036783616

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 c467adf3bf9bb4b7fd28956ec698d884e63f145d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
31f9d1ec36 avformat/cdg: Fix integer overflow in duration computation
Fixes: signed integer overflow: 8398407 * 300 cannot be represented in type 'int'
Fixes: 23914/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4702539290509312

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 aa8935b395162f8438d1f055e671e92685ed1586)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
eb4301d5f8 avcodec/mpc: Fix multiple numerical overflows in ff_mpc_dequantize_and_synth()
Fixes: -2.4187e+09 is outside the range of representable values of type 'int'
Fixes: signed integer overflow: -14512205 + -2147483648 cannot be represented in type 'int'
Fixes: 20492/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPC7_fuzzer-5747263166480384
Fixes: 23528/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPC7_fuzzer-5747263166480384

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 2b9f39689ab19c68ff37b5a4ac71e8fb7f58c487)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
2f6054d297 avcodec/agm: Fix off by 1 error in decode_inter_plane()
Fixes: Regression since 1f2096945709a32315da740691b5716da55893c3
Found-by: Paul B Mahol <onemda@gmail.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6d71a25cc460960c49997d52c1d1f1c39ccc38b4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
f808f6ccf2 avformat/electronicarts: Check if there are any streams
Fixes: Assertion failure (invalid stream index)
Fixes: 25120/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6565251898933248

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 39a98623edbbdcf9d9b76e9d7aff3ce086ebfbfe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
8fad1a2802 avcodec/ffwavesynth: Fix integer overflow in wavesynth_synth_sample / WS_SINE
Fixes: signed integer overflow: -1429092 * -32596 cannot be represented in type 'int'
Fixes: 24419/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5157849974702080

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a0da95df77a528251a326fc8b7e2ff48c60e41d0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
bc3fa06732 avcodec/vp9dsp_template: Fix integer overflow in iadst8_1d()
Fixes: signed integer overflow: 998938090 + 1169275991 cannot be represented in type 'int'
Fixes: 23411/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VP9_fuzzer-4644692330545152

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 d182d8f10cf69c59ef9c21df4b06e5478df063ef)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
a1c92826eb avformat/avidec: Fix io_fsize overflow
Fixes: signed integer overflow: 7958120835074169528 * 9 cannot be represented in type 'long long'
Fixes: 23382/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6230683226996736

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 cf0c700b0c25f5d9fe50dd27086a06812822f11a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
810103bb2f avcodec/cfhd: Check transform type
Fixes: out of array access
Fixes: 24823/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CFHD_fuzzer-4855119863349248

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 659658d08bb2e7219001795c78efd24f381446e2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
8362cc45ef avcodec/tiff: Check jpeg context against jpeg frame parameters
Fixes: out of array access
Fixes: 24825/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-6326925027704832

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 b9ea493afe8576efe3de60f8c6723f9f155de0d8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
4b8bb69f55 avcodec/tiff: Restrict tag order based on specification
"The entries in an IFD must be sorted in ascending order by Tag. Note that this is
 not the order in which the fields are described in this document."

This way various dimensions, sample and bit sizes cannot be changed at
arbitrary times which reduces the potential for bugs.
The tag reading code also on various places assumes that numerically previous
tags have already been parsed, so this needs to be enforced one way or another.

If this commit causes problems with real world files which are not easy to fix
then some other form of checks are needed to ensure the various dependencies
in the tag reading are not violated.

Fixes: out of array access
Fixes: 24825/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-6326925027704832

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 ad29f9e47cb848e11ee1d358d2bae15cd35ef04b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
2e3de433c7 avcodec/tiff: Avoid abort with DNG RAW TIFF with YA8
Fixes: Assertion failure
Fixes: 24707/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-5179910197608448

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 ca47402a06922f5280b4526007e32bf7847c7430)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
b31916c313 avcodec/tiff: Check the linearization table size
Fixes: out of array access
Fixes: 24604/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-4843529818603520

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 7577f8332a6bb2f227b876c83ec6fa45cc9670f9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
ae3afef8c8 avformat/siff: Reject audio packets without audio stream
Fixes: Assertion failure
Fixes: 24612/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6600899842277376.fuzz

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 8931c55789a69f717b4a6954c5bb7acf5475a134)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
dfa3c6d49f avformat/mpeg: Check avio_read() return value in get_pts()
Found-by: Thierry Foucu <tfoucu@gmail.com>
Fixes: Use-of-uninitialized-value
Reviewed-by: Thierry Foucu <tfoucu@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e8a88a16f78e66c8d7645b5f71dc8390b033fa70)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
100a7db078 avcodec/tiff: Check bpp/bppcount for 0
Fixes: division by zero
Fixes: 24253/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-6250318007107584

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 be090da25f734460f3105075456877b8a66185c1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
2213582169 avcodec/snowdec: Sanity check hcoeff
Fixes: signed integer overflow: -2147483648 * -1 cannot be represented in type 'int'
Fixes: 24011/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SNOW_fuzzer-5486376610168832

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 d51d569cf68f78aaea8464a156c847a0e294726a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
f7b28fc9ce avformat/mov: Check comp_brand_size
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 24457/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5760093644390400

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 ffa6072fc727a14680a85449259f6b49b47587e6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
c017516140 avformat/ape: Error out in case of EOF in the header
Fixes: OOM
Fixes: 24375/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6216862443241472

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 a6df1fd5e96c012ba477a56b3858a310e243b921)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
1498f31b5b avcodec/alac: Check decorr_shift to avoid invalid shift
Later the decorrelate_stereo call is guarded by channels == 2
and non-zero decorr_left_weight. Make sure decorr_shift is in
the expected shift range for that case.

Fixes: shift exponent 128 is too large for 32-bit type 'int'
Fixes: 23860/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-5751138914402304

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Alexander Strasser <eclipse7@gmx.net>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4333718b357a9ad195031e5d0ea080d37677b795)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Michael Niedermayer
50d23a0256 avcodec/tdsc: Fix tile checks
Fixes: out of array access
Fixes: crash.asf

Found-by: anton listov <greyfarn7@yandex.ru>
Reviewed-by: anton listov <greyfarn7@yandex.ru>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 081e3001edb67dcd55fe0f68505df1fce667476d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-02-02 14:18:20 +01:00
Anton Khirnov
666d2fc6e2 opusdec: do not fail when LBRR frames are present
Decode and discard them.

Fixes ticket 4641.

(cherry picked from commit 33b4b788aac91dfd522415baaedcbda160482816)
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2021-01-26 16:28:23 +01:00