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

79280 Commits

Author SHA1 Message Date
Michael Niedermayer
028af5acbe avformat/mov: Check STSC and remove invalid entries
Fixes assertion failure
Fixes: crbug 822547, crbug 822666 and crbug 823009

Affects: aark15sd_9A62E2FA.mp4

Found-by: ClusterFuzz
Reviewed-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9e67447a4ffacf28af8bace33faf3ea432ddc43e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-10-23 01:44:40 +02:00
Michael Niedermayer
f4fe702258 avcodec/nuv: rtjpeg with dimensions less than 16 would result in no decoded pixels thus reject it
Fixes: Timeout
Fixes: 6297/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_NUV_fuzzer-4882404863901696

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 939440ad1aa820bed51f54d273b4fa6c5016d9f9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-10-23 01:44:40 +02:00
Michael Niedermayer
e623800387 avcodec/nuv: Check for minimum input size for uncomprssed and rtjpeg
Fixes: Timeout
Fixes: 6297/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_NUV_fuzzer-4882404863901696

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 8ee3265dbe2e85537affe3b3055b00ba8646aa70)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-10-23 01:44:40 +02:00
Michael Niedermayer
448cd0d0b3 avcodec/wmalosslessdec: Reset num_saved_bits on error path
Fixes: NULL pointer dereference
Fixes: poc-201803.wav
Found-by: GwanYeong Kim <gy741.kim@gmail.com>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 64c9ce0abc0fd8774b523afda3ddb17c86caa86a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-10-23 01:44:40 +02:00
Michael Niedermayer
30d40580c4 avformat/mov: Fix integer overflows related to sample_duration
Fixes: runtime error: signed integer overflow: -9166684017437101870 + -2495066639299164439 cannot be represented in type

Fixes: Chromium bug 791349

Reported-by: Matt Wolenetz <wolenetz@google.com>
Reviewed-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2f37082827a405430c40408ee2db19ea2866ce64)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-10-23 01:44:40 +02:00
Michael Niedermayer
ad7c57f9db avformat/oggparsedaala: Do not adjust AV_NOPTS_VALUE
Fixes: potential signed integer overflow

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f655ddfb47e8484b205b14c7f871c643ad24d701)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-10-23 01:44:40 +02:00
Michael Niedermayer
69344f628b avformat/oggparseogm: Check lb against psize
No testcase, this was found during code review

Found-by: Matt Wolenetz <wolenetz@google.com>
Reviewed-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3e7c847aaf5a298b62afae12b4ecfb8e12385998)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-10-23 01:44:40 +02:00
Michael Niedermayer
46f37c65ab avformat/oggparseogm: Fix undefined shift in ogm_packet()
Fixes: shift exponent 48 is too large for 32-bit type 'int'
Fixes: Chromium bug 786793
Reported-by: Matt Wolenetz <wolenetz@google.com>
Reviewed-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 010b7b30b721b90993e05e9ee6338e88bb8debb3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-10-23 01:44:40 +02:00
Michael Niedermayer
4df16ad1ef avformat/avidec: Fix integer overflow in cum_len check
Fixes: signed integer overflow: 3775922176 * 4278190080 cannot be represented in type 'long'
Fixes: Chromium bug 791237

Reported-by: Matt Wolenetz <wolenetz@google.com>
Reviewed-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 06e092e7819b9437da32925200e7c369f93d82e7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-10-23 01:44:40 +02:00
Michael Niedermayer
81a6076e4b avformat/oggparsetheora: Do not adjust AV_NOPTS_VALUE
Fixes: Chromium bug 795653
Fixes: signed integer overflow: 9223372036854775807 + 1 cannot be represented in type 'long'
Reported-by: Matt Wolenetz <wolenetz@google.com>
Reviewed-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 02ecda4aba69670ca744ccc640391b7621f01fb0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-10-23 01:44:40 +02:00
Michael Niedermayer
7fd80d91f7 avformat/utils: Fix integer overflow of fps_first/last_dts
Fixes: runtime error: signed integer overflow: 7738135736989908991 - -7898362169240453118 cannot be represented in type 'long'
Fixes: Chromium bug 796778
Reported-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1b1362e408cd6acb63fef126b814b0d16562aa8e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-10-23 01:44:40 +02:00
Michael Niedermayer
b8fd13befe libavformat/oggparsevorbis: Fix memleak on multiple headers
Fixes: Chromium bug 800123
Reported-by: Matt Wolenetz <wolenetz@google.com>
Reviewed-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3934aa495d786845d9f541c84ee405c096938f76)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-10-23 01:44:40 +02:00
James Almer
29683c6ba1 avdevice/iec61883: free the private context at the end
Fixes part of ticket #7146.

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 5079e96bcc7aaa9cae82a58397ce986e124028e4)
2018-04-18 22:57:49 -03:00
James Almer
b949fd7a65 avdevice/iec61883: return reference counted packets
Fixes part of ticket #7146, dealing with leaks of packet data since
commit 87c88122703f2befcf96383d05bdf14373c22df9.

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit b8629654c6460a28c507f816a977914e3a6f2520)
2018-04-18 22:57:41 -03:00
Marton Balint
3c056989dc avdevice/iec61883: free packet on buffer allocation error
Fixes Coverity CID 1396416.

Signed-off-by: Marton Balint <cus@passwd.hu>
(cherry picked from commit 4556dad2b7379a527134db519ab60111abefaf10)
2018-04-18 22:57:26 -03:00
Michael Niedermayer
b910b34926 Changelog: update
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
n3.0.11
2018-02-27 20:00:58 +01:00
Michael Niedermayer
add3c2468e avcodec/bintext: sanity check dimensions
Fixes: Timeout
Fixes: 6277/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XBIN_fuzzer-6047202288861184

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 090c0abff9c8b27304614f15d9464dbf4ea59833)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-27 19:59:58 +01:00
Michael Niedermayer
fbf690d79a avcodec/utvideodec: Check subsample factors
Fixes: Out of array read
Fixes: heap_poc

Found-by: GwanYeong Kim <gy741.kim@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7414d0bda7763f9bd69c26c068e482ab297c1c96)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-27 19:59:58 +01:00
Michael Niedermayer
789a12b140 avcodec/smc: Check input packet size
Fixes: Timeout
Fixes: 6261/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SMC_fuzzer-5811309653262336

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 0293663483ab5dbfff23602a62800d84e021b33c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-27 19:59:58 +01:00
Michael Niedermayer
24a3c45da5 avcodec/cavsdec: Check alpha/beta offset
Fixes: Integer overflow
Fixes: 6183/clusterfuzz-testcase-minimized-6269224436629504

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 ae2eb04648839bfc6c61c32cb0f124e91bb7ff8e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-27 19:59:58 +01:00
Michael Niedermayer
6822bd50c1 avcodec/diracdec: Fix integer overflow in mv computation
Fixes: signed integer overflow: -2072 + -2147483646 cannot be represented in type 'int'
Fixes: 6097/clusterfuzz-testcase-minimized-5034145253163008

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 47e65ad63b3d067445c4de41a7718b83fc07767c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-27 19:59:58 +01:00
Michael Niedermayer
6648d3fef6 avcodec/aacdec_templat: Fix integer overflow in apply_ltp()
Fixes: signed integer overflow: -1625276744 + -1041893960 cannot be represented in type 'int'
Fixes: 5948/clusterfuzz-testcase-minimized-5791479856365568

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 33fe17bdc88d51a8e0c87aa1e8011aaaf38a7a90)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-27 19:59:58 +01:00
Michael Niedermayer
afc85dacba avcodec/jpeg2000dwt: Fix integer overflows in sr_1d53()
Fixes: 5918/clusterfuzz-testcase-minimized-5120505435652096

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 793347a54579ee954b58d336b82eed4a1786de21)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-27 19:59:58 +01:00
Michael Niedermayer
b4135fb335 avcodec/diracdec: Use int64 in global mv to prevent overflow
Fixes: runtime error: signed integer overflow: 361 * -6295541 cannot be represented in type 'int'
Fixes: 5911/clusterfuzz-testcase-minimized-6450382197751808

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 cbcbefdc3b4cbc917d2f8b2dd216fb12121a838b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-27 19:59:58 +01:00
Michael Niedermayer
876ecfccfb avcodec/dxtory: Remove code that corrupts dimensions
Fixes: Timeout
Fixes: 5796/clusterfuzz-testcase-minimized-5206729085157376

Does someone have a valid sample that triggers this path ?

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 3748746a4d6988484d34516f7a3c6febf7bdf488)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-27 19:59:58 +01:00
James Almer
e0750d2067 avformat/hvcc: zero initialize the nal buffers past the last written byte
Prevents use of uninitialized values.

Fixes ticket #7038.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 9482ec1b203e4cf51d7f60c85d261cc13f9a9d2f)
2018-02-24 00:37:13 -03:00
Tobias Rapp
8ae9bbef87 swresample/rematrix: fix update of channel matrix if input or output layout is undefined
Prefer direct in/out channel count values over channel layout, when
available. Fixes a pan filter bug (ticket #6790).

Signed-off-by: Tobias Rapp <t.rapp@noa-archive.com>
(cherry picked from commit 6325bd3717348615adafb52e4da2fd01a3007d0a)
2018-02-20 10:08:05 +01:00
Michael Niedermayer
9f14908a96 Update for 3.0.11
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 15:33:44 +01:00
Michael Niedermayer
6492799fce avcodec/dirac_dwt_template: Fix Integer overflow in horizontal_compose_dd137i()
Fixes: 5894/clusterfuzz-testcase-minimized-5315325420634112
Fixes: runtime error: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'

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 647fa49495c39a48b7ccb92acd8fb975b1575456)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 03:01:43 +01:00
Michael Niedermayer
010dd0d26e avcodec/vp8: Check for bitstream end before vp7_fade_frame()
Fixes: Timeout
Fixes: 5653/clusterfuzz-testcase-5497680018014208

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 de675648cef7e451ca82fabaee0d8ec1fe653311)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:52:16 +01:00
Michael Niedermayer
675e243949 avcodec/exr: Check remaining bits in last get code loop
Fixes: runtime error: shift exponent -7 is negative
Fixes: 3902/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-6081926122176512

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 dd8351b1184b8054925c28ecc5fcb6dbbc177fad)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:52:16 +01:00
Michael Niedermayer
e38e2d6533 avutil/common: Fix integer overflow in av_clip_uint8_c() and av_clip_uint16_c()
Fixes: 5567/clusterfuzz-testcase-minimized-5769966247739392
Fixes: runtime error: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself

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 ab6f571ef71967da7c7c1cfba483d3597c7357d5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:52:16 +01:00
Michael Niedermayer
340c315c67 avcodec/h264_cabac: Tighten allowed coeff_abs range
Fixes: integer overflows
Reported-by: "Xiaohan Wang (王消寒)" <xhwang@chromium.org>

Based on limits in "8.5 Transform coefficient decoding process and picture
construction process prior to deblocking  filter process"

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f26a63c4ee1bdbe21d7ab462cd66f8ba20b14244)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:52:16 +01:00
Xiaohan Wang
d4f9119532 avcodec/h264_cavlc: Set valid qscale value in ff_h264_decode_mb_cavlc()
When ff_h264_decode_mb_cavlc() failed due to wrong sl->qscale values,
e.g. dquant out of range, set the qscale to be a valid value before
returning -1 and exiting the function. The qscale value can be used
later e.g. in loop filter.

BUG=806122

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 71f39de2a57efc8db1d607b09c162c3b806cd45d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:52:16 +01:00
Michael Niedermayer
664e3d217a avcodec/vp3: Error out on invalid num_coeffs in unpack_vlcs()
This fixes a hypothetical integer overflow

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f2318aee8ca8df1c84092f7d6691a2d0df02c474)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:52:16 +01:00
Michael Niedermayer
ce46e45f4c avcodec/mpeg4videodec: Ignore multiple VOL headers
Fixes: Ticket7005

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 63a4bdbf3b732504e54cc2b9ec0886e6242a90bc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:52:16 +01:00
Michael Niedermayer
c6b5e80635 avcodec/vp3: Check eob_run
Fixes: out of array access
Fixes: 5919/clusterfuzz-testcase-minimized-5859311382167552
Fixes: special case for theora (untested due to lack of sample)

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 570023eab3e2962b4ad8345a157c1e18ca1a6eca)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:52:16 +01:00
Michael Niedermayer
a26ac3cc69 avcodec/huffyuvdec: Check input buffer size
Fixes: Timeout
Fixes: 5487/clusterfuzz-testcase-4696837035393024

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 08c220d26cff51ca2f6896b65aebfa3accc67290)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:40:54 +01:00
Michael Niedermayer
8886e1228d avcodec/wavpack: Fix integer overflow in FFABS
Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself
Fixes: 5396/clusterfuzz-testcase-minimized-6558555529281536

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 8e50bd61e4ff97bd7fc6cbd7ec4ca514e17a70c4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:40:54 +01:00
Michael Niedermayer
6baa0e811b avcodec/aacsbr_fixed: Fix overflows in rounding in sbr_hf_assemble()
Fixes: runtime error: signed integer overflow: 2052929346 + 204817098 cannot be represented in type 'int'
Fixes: 5275/clusterfuzz-testcase-minimized-5367635958038528

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 b1bef755f617af9685b592d866b3eb7f3c4b02b1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:40:54 +01:00
Michael Niedermayer
35f47ac0d5 avcodec/dirac_dwt: Fix several integer overflows
Fixes: runtime error: signed integer overflow: -2146071175 + -268479557 cannot be represented in type 'int'
Fixes: 5237/clusterfuzz-testcase-minimized-4569895275593728

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 fe1e6c06d03432c3e9208f019533c1d701f485d0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:40:54 +01:00
Michael Niedermayer
c1a133b610 avcodec/indeo5: Do not leave frame_type set to an invalid value
Fixes: null pointer dereference
Fixes: 5264/clusterfuzz-testcase-minimized-4621956621008896

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 2ff9f178519b68d4d1d606eb5451ad81da948efc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:40:54 +01:00
Michael Niedermayer
adb0a29111 avcodec/hevc_ps: Check log2_sao_offset_scale_*
Fixes: 4868/clusterfuzz-testcase-minimized-6236542906400768
Fixes: runtime error: shift exponent 126 is too large for 32-bit type 'int'

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 4a75a75c62efc645ec28444e4675c325b8f2bb1a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:40:54 +01:00
Aman Gupta
d664557023 avcodec/hevc_ps: extract one SPS fields required for hvcC construction
Signed-off-by: Aman Gupta <aman@tmm1.net>
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:40:54 +01:00
Michael Niedermayer
60039c2d12 avcodec/mpeg4videodec: Avoid possibly aliasing violating casts
Found-by: kierank
Reviewed-by: Kieran Kunhya <kieran618@googlemail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d4967c04e040b3b2f937cad88599af825147ec94)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:40:54 +01:00
Michael Niedermayer
6a01b65034 avcodec/get_bits: Document the return code of get_vlc2()
Found-by: kierank
Reviewed-by: Kieran Kunhya <kieran618@googlemail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4a94ff4ccd4f2329c599e37cabe4152dae60359e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:40:54 +01:00
Michael Niedermayer
78b1d57a4b avcodec/mpeg4videodec: Check mb_num also against 0
The spec implies that 0 is invalid in addition to the existing checks

Found-by: <kierank>
Reviewed-by: Kieran Kunhya <kieran618@googlemail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 05f4703a168a336363750e32bcfdd6f303fbdbc3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:40:54 +01:00
Michael Niedermayer
5d06804b31 avfilter/vf_transpose: Fix used plane count.
Fixes out of array access
Fixes: poc.mp4

Found-by: GwanYeong Kim <gy741.kim@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c6939f65a116b1ffed345d29d8621ee4ffb32235)
(cherry picked from commit 3f621455d62e46745453568d915badd5b1e5bcd5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:40:54 +01:00
Michael Niedermayer
cedd9ea93e avcodec/hevc_cabac: Check prefix so as to avoid invalid shifts in coeff_abs_level_remaining_decode()
I suspect that this can be limited tighter, but i failed to find anything
in the spec that would confirm that.

Fixes: 4833/clusterfuzz-testcase-minimized-5302840101699584
Fixes: runtime error: left shift of 134217730 by 4 places cannot be represented in type 'int'

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 a026a3efaeb9c2026668dccbbda339a21ab3206b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:40:54 +01:00
Michael Niedermayer
269aecafab avcodec/mjpegdec: Fix integer overflow in DC dequantization
Fixes: runtime error: signed integer overflow: -65535 * 65312 cannot be represented in type 'int'
Fixes: 4900/clusterfuzz-testcase-minimized-5769019744321536

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 1bfc1aa004950c5ad527d823a08b8a19eef34eb0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-02-19 02:40:54 +01:00