Commit Graph

94777 Commits

Author SHA1 Message Date
Dale Curtis
9a6d41e979 avformat/utils: Fix undefined behavior in ff_configure_buffers_for_index()
When e2_pts == INT64_MIN and e1_pts >= 0 the calculation of
e2_pts - e1_pts will overflow an int64_t.

Signed-off-by: Dale Curtis <dalecurtis@chromium.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f15007afa9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
3919ee03dd avcodec/dpcm: Fix integer overflow in AV_CODEC_ID_GREMLIN_DPCM
Fixes: signed integer overflow: -2147479324 + -32568 cannot be represented in type 'int'
Fixes: 20103/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_GREMLIN_DPCM_fuzzer-5667667579240448

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 b1aecad9ea)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
1016074532 avcodec/wmalosslessdec: Fix integer overflow with sliding in padding bits
Fixes: signed integer overflow: -53716100 * 256 cannot be represented in type 'int'
Fixes: 20143/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5716604000403456

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 b8a0be9352)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
df317ec215 avcodec/wmalosslessdec: Fix loop in revert_acfilter()
Fixes: out of array read
Fixes: 20059/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5691776237305856

No testcase except the fuzzed one.

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 5584c0bb94)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
6a4b26eaf6 avcodec/agm: YUV420 without DCT needs even dimensions
Fixes: out of array access
Fixes: 19892/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AGM_fuzzer-5707525924323328

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 a98eeb0c1e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
e6567ca7dc avcodec/agm: Test remaining data in decode_raw_intra_rgb()
Fixes: Timeout (270sec -> 25ms)
Fixes: 20485/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AGM_fuzzer-5636954207289344

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 5c151e1491)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
10d70a65d1 avcodec/lagarith: Sanity check scale
A value of 24 and above can collaps the range to 0 which would not work.

Fixes: Timeout (75sec -> 21sec)
Fixes: 18707/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LAGARITH_fuzzer-5708950892969984

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 fb3855342b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
6c35049858 avcodec/apedec: Fix integer overflows in predictor_decode_mono_3950()
Fixes: signed integer overflow: -2147407150 + -1871606 cannot be represented in type 'int'
Fixes: 18702/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5679095417667584

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 eb64a5c6f9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
792d4dc128 avcodec/ralf: Fix integer overflow in apply_lpc()
Fixes: signed integer overflow: 2147482897 + 2048 cannot be represented in type 'int'
Fixes: 19240/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5743240326414336
Fixes: 19869/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5150136636538880

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 fd313d8cf8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
40d5c0c63b avcodec/dca_lbr: Fix some error codes and error passing
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bfea054a75)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
0cfd3d6dd6 avcodec/wmavoice: Fix rounding and integer anomalies in calc_input_response()
Fixes: out of array access
Fixes: inf is outside the range of representable values of type 'int'
Fixes: signed integer overflow: -9223372036854775808 - 1 cannot be represented in type 'long'
Fixes: 19316/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAVOICE_fuzzer-5677369365102592

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 38d3758444)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
06df6bfdb4 avcodec/wmavoice: sanity check block_align
This limit is roughly based on the bitreader limit, its likely a much tighter limit
could be used

Fixes: left shift of 1965039647 by 1 places cannot be represented in type 'int'
Fixes: 19545/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAVOICE_fuzzer-5695391899320320

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 6847e22c8c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
38a05c9722 avcodec/pcm: Fix invalid shift in pcm_decode_frame for LXF
Fixes: left shift of 32 by 28 places cannot be represented in type 'int'
Fixes: 19472/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PCM_LXF_fuzzer-5704364320096256

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 985d3666f6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
b24779ffef avcodec/snappy: Sanity check bytestream2_get_levarint()
Fixes: left shift of 79 by 28 places cannot be represented in type 'int'
Fixes: 20202/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HAP_fuzzer-5719004081815552
Fixes: 20219/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HAP_fuzzer-5641738677125120
Fixes: 20389/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HAP_fuzzer-5680721517871104

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 be54da2117)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
2517ab2fa3 avcodec/mlpdsp: Fix a invalid shift in ff_mlp_rematrix_channel()
Fixes: left shift of negative value -2
Fixes: 20305/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEHD_fuzzer-5677196618498048

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Jai Luthra <me@jailuthra.in>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit fcc9f13717)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
ebbce3fa18 avcodec/avdct: Clear IDCTDSPContext context
Fixes use of uninitialized variable and segfault

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b82825eba8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
bbd445320a avcodec/x86/diracdsp: Fix high bits on Windows x86_64
Found-by: james
(cherry picked from commit 24af459d1e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
bc92c163f0 tests/fate/lavf-video.mak: fix fate-lavf-gif dependencies
The gif test should depend on gif not fits
Regression since: ac4b5d8622

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 24a5e873b3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
913f64e923 avformat/mov: Check STCO location
Fixes: bypassing of checks and assertion failure
Fixes: asan_1003879.mp4

Found-by: Clusterfuzz + asan
Reported-by: Thomas Guilbert <tguilbert@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1cd4184020)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
0724e514dc avcodec/wmalosslessdec: Fix multiple integer overflows
Fixes: left shift of 3329 by 20 places cannot be represented in type 'int'
Fixes: signed integer overflow: -199378355 + -1948950833 cannot be represented in type 'int'
Fixes: 19837/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5752565837070336
Fixes: 19839/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5767483265122304

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 422202516c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
c19a204706 avcodec/apedec: Fix undefined integer overflow in decode_array_0000()
Fixes: signed integer overflow: -2143289344 - 6246400 cannot be represented in type 'int'
Fixes: 19239/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5173755680915456

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 a3655bb02c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
2df0ae557d avcodec/smacker: Check space before decoding type
Fixes: Timeout (232sec -> 280ms)
Fixes: 19682/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SMACKER_fuzzer-5654129649385472

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 6f5c18da59)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
7249a04d45 avcodec/rawdec: Use linesize in b64a
Fixes: out of array access
Fixes: 19750/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RAWVIDEO_fuzzer-5074834119983104

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 2b5b9d5dac)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
09b2cb7181 avcodec/iff: Over-allocate ham_palbuf for HAM6 IFF-PBM
IFF-PBM-HAM6 can read out of array without this overallocation
Fixes: Out of array read
Fixes: 19752/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5675331403120640

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 8652f4e7a1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
ff668b1ff8 avcodec/x86/diracdsp: Fix incorrect src addressing in dequant_subband_32()
Fixes: Segfault (not reproducable with asm, which made this hard to debug)
Fixes: decoding errors
Fixes: 19854/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5729372837511168

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 0694b60b7b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
9f32da1fa9 avfilter/vf_find_rect: Remove assert
A score of 0 is possible
Fixes: Ticket8500

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit dfc4714886)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
b6e9477449 avfilter/vf_find_rect: Increase worst case score
score could be 1.0 which lead to uninitialized values

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6ff2474e02)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
9430ad3e21 swscale/input: Fix several invalid shifts related to rgb2yuv constants
Fixes: Invalid shifts
Fixes: #8140
Fixes: #8146

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d48e510124)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
ea7a818c95 swscale/output: Fix several invalid shifts in yuv2rgb_full_1_c_template()
Fixes: Invalid shifts
Fixes: #8320

Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7b7f97532b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
8a9c9711cf swscale/swscale: Fix several invalid shifts related to vChrDrop
Fixes: Invalid shifts
Fixes: #8166
Fixes: filter-crop_scale_vflip FATE-test

Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a6ca22c118)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
0e517ef459 avcodec/hevc_mp4toannexb_bsf: check that nalu size doesnt overflow
Fixes: Out of array access
Fixes: 19299/clusterfuzz-testcase-minimized-ffmpeg_BSF_HEVC_MP4TOANNEXB_fuzzer-5169193398042624

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 a8ceb2a72f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
8d89e97e26 avcodec/hevc_mp4toannexb_bsf: Avoid NULL memcpy()
Fixes: invalid memcpy use
Fixes: 19299/clusterfuzz-testcase-minimized-ffmpeg_BSF_HEVC_MP4TOANNEXB_fuzzer-5169193398042624

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 1e23b5a706)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
1c2b1c0428 avcodec/cbs_av1: Check leb128 values read
"It is a requirement of bitstream conformance that the value returned from the leb128 parsing process is less than or equal
to (1 << 32) - 1."

Fixes: assertion failure
Fixes: 19293/clusterfuzz-testcase-minimized-ffmpeg_BSF_TRACE_HEADERS_fuzzer-5749508361420800

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 a70d836364)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
cc7760b009 avcodec/wmalosslessdec: move channel check up
Fixes: out of array access
Fixes: 2nd part of 18429/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-6210814364614656

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 891bcc4acc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
2ac4b4fde5 avcodec/cbs_h2645: Skip all 0 NAL units
Fixes: assertion failure
Fixes: 19286/clusterfuzz-testcase-minimized-ffmpeg_BSF_H264_REDUNDANT_PPS_fuzzer-5707990724509696

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 285138ef14)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
a641bd4ad7 avcodec/adpcm: Fix overflow in FFABS() IMA_EA_EACS
Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself
Fixes: 19235/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_IMA_EA_EACS_fuzzer-5680878952382464

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 794352ae9d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
7e0c15c3ec avcodec/alac: Fix integer overflow in LPC coefficient adaption
Fixes: signed integer overflow: 267693597 * 10 cannot be represented in type 'int'
Fixes: 19237/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-5755407700328448

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 6a865cec5e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
b46b2e52b8 avcodec/g729postfilter: Optimize out overflowing multiplication from apply_tilt_comp()
Fixes: signed integer overflow: -1114392282 * 2 cannot be represented in type 'int'
Fixes: 19236/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G729_fuzzer-5741678938030080

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 c0bd5fa43d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
26e88eb02f avcodec/vc1dec: Check field_mode for sprites
Fixes: Out of array read
Fixes: 19263/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-5389219325542400

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 32fb919836)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
9b97acef22 avcodec/vc1dec: Limit bits by the actual bitstream size
Fixes: Timeout (350 ->19sec)
Fixes: 19249/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-6566896438870016

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 c56a52a82c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
ec8c556db8 avcodec/vmdaudio: Check block_align more
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 19788/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VMDAUDIO_fuzzer-5743379690553344

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 06f6857b54)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Gyan Doshi
dc33a53c2e configure: bump year
(cherry picked from commit 7b58702cbd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Michael Niedermayer
f1d84ff4cb avcodec/pgssubdec: Free subtitle on error
Fixes: Assertion failure
Fixes: 19753/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PGSSUB_fuzzer-5688461843759104

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 b0a718923b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-05-19 17:17:35 +02:00
Zachariah Brown
393eff8917 avcodec/nvenc: use framerate if available
The h264_nvenc and hevc_nvenc encoders aren't respecting the framerate in the codec context.
Instead it was using the timebase which in our use-case was 1/1000 so the encoder was behaving
as if we wanted 1000fps. This resulted in poor encoding results due to an extremely low bitrate.

Both the amf and qsv encoders already contain similar logic to first check the framerate before
falling back to the timebase.

Signed-off-by: Zachariah Brown <zachariah@renewedvision.com>
Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
2020-05-15 00:52:14 +02:00
James Almer
31c523469a avcodec/cbs_h265: fix writing extension_data bits
We only care about the right most bit.

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 38d1815cc6)
2020-05-03 18:49:01 -03:00
Timo Rothenpieler
a59b535af4 avcodec/nvenc: offset dts to account for b-frame reordering
Fixes ticket #7303

Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
2020-05-01 21:00:40 +02:00
Carl Eugen Hoyos
d1e8be3411 Revert "avformat/rtp: Pass sources and block filter addresses via sdp file for rtp"
This reverts commit b71685865f.

The commit lead to the use of an uninitialized variable.
Other issues were listed by Andreas Rheinhardt:
https://ffmpeg.org/pipermail/ffmpeg-devel/2020-March/259150.html

(cherry picked from commit 8b1f07ef51)

In addition, it is not understandable why the patch that neither
claims to fix a regression nor a security issue was backported.
2020-04-05 11:59:49 +02:00
Andreas Rheinhardt
5b61639a21 avformat/matroskadec: Fix default value of BlockAddID
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit dbc50f8a93)
2020-04-03 21:12:52 +02:00
Andreas Rheinhardt
3eedf1599b avformat/dashdec: Don't allocate and leak strings that are never used
Since commit e134c203 strdups of several elements of a manifest are kept
in the DASHContext; but said commit completely forgot to free these
strings again (with xmlFree()). Given that these strings are never used
at all, this commit closes this leak by reverting said commit.

This reverts commit e134c20374.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 3c138e5ceb)
2020-03-30 08:03:58 +02:00
Andreas Rheinhardt
4772757958 avformat/matroskaenc: Write level 1 elements in one go
Up until now, writing level 1 elements proceeded as follows: First, the
element id was written to the ordinary output AVIOContext and a dynamic
buffer was opened for the content of the level 1 element in
start_ebml_master_crc32(). Then this buffer was actually used and after it
was closed (in end_ebml_master_crc32()), the size field corresponding to
the buffer's size was written, after which the actual data was written.

This commit changes this: Nothing is written to the main AVIOContext any
more in start_ebml_master_crc32(). end_ebml_master_crc32() now writes
both the id, the length field as well as the data. This is benefical for
streaming, because a client that receives just a Cluster ID and nothing
more might infer that this is EOF; in certain usecases there is also the
danger of a client receiving the Cluster without the actual Cluster ID
at the beginning.

Addresses #8578.

(cherry picked from commit d9c21ec)

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
2020-03-30 07:56:38 +02:00