mirror of https://github.com/google/oss-fuzz.git
libass: migrate to upstream changes (#8552)
Fixes: https://github.com/google/oss-fuzz/issues/8526
This commit is contained in:
DavidKorczynski
GitHub
parent
7cd6569f8a
commit
bd848023c1
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@ -21,4 +21,4 @@ RUN apt-get update && apt-get install -y make autoconf automake libtool pkg-conf
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RUN git clone --depth 1 https://github.com/libass/libass.git
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RUN git clone --depth 1 https://github.com/harfbuzz/harfbuzz.git
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COPY build.sh libass_fuzzer.cc *.dict *.options $SRC/
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COPY build.sh *.options $SRC/
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@ -1,112 +0,0 @@
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"0x"
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"\\1a"
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"\\2a"
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"\\2c"
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"\\3a"
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"\\3c"
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"\\4a"
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"\\4c"
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"\\a"
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"\\alpha"
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"\\an"
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"Arial"
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"\\b"
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"Banner;"
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"\\be"
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"\\blur"
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"\\bord"
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"\\c"
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"CFF"
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"CID Type 1"
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"\\clip"
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"clip"
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"Courier"
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"Courier New"
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"Default"
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"Dialogue:"
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"[Events]"
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"\\fade"
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"\\fax"
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"\\fay"
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"\\fe"
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"\\fn"
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"fontname:"
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"[Fonts]"
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"Format:"
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"\\frx"
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"\\fry"
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"\\frz"
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"\\fs"
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"\\fsc"
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"\\fscx"
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"\\fscy"
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"\\fsp"
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"&h"
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"Helvetica"
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"\\i"
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"\\iclip"
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"iclip"
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"\\k"
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"Kerning:"
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"Kerning"
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"\\kf"
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"\\ko"
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"Language:"
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"monospace"
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"\\move"
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"move"
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"none"
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"\\org"
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"org"
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"OverrideStyle"
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"\\p"
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"p"
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"\\pbo"
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"pbo"
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"pc.240m"
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"pc.601"
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"pc.709"
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"pc.fcc"
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"PlayResX:"
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"PlayResX"
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"PlayResY:"
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"PlayResY"
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"\\pos"
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"pos"
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"\\q"
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"\\r"
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"\\s"
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"sans-serif"
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"ScaledBorderAndShadow:"
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"ScaledBorderAndShadow"
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"[Script Info]"
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"Scroll down;"
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"Scroll up;"
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"serif"
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"\\shad"
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"Style:"
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"\\t"
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"Text"
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"Timer:"
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"Timer"
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"Times"
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"Times New Roman"
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"tv.240m"
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"tv.601"
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"tv.709"
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"tv.fcc"
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"Type 1"
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"Type 42"
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"\\u"
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"UTF-8"
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"[V4 Styles]"
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"[V4+ Styles]"
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"WrapStyle:"
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"WrapStyle"
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"\\xbord"
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"\\xshad"
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"\\ybord"
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"YCbCr Matrix:"
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"YCbCr Matrix"
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"yes"
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"\\yshad"
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@ -38,14 +38,9 @@ cd $SRC/libass
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export PKG_CONFIG_PATH=/work/lib/pkgconfig
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./autogen.sh
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./configure --disable-asm
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make -j$(nproc)
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./configure FUZZ_CPPFLAGS="-DASS_FUZZMODE=2" --disable-asm --disable-shared --enable-fuzz
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make -j "$(nproc)" fuzz/fuzz_ossfuzz
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cp fuzz/fuzz_ossfuzz $OUT/libass_fuzzer
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cp fuzz/ass.dict $OUT/ass.dict
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$CXX $CXXFLAGS -std=c++11 -I$SRC/libass \
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$SRC/libass_fuzzer.cc -o $OUT/libass_fuzzer \
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$LIB_FUZZING_ENGINE libass/.libs/libass.a \
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-Wl,-Bstatic \
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$(pkg-config --static --libs fontconfig freetype2 fribidi harfbuzz | sed 's/-lm //g') \
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-Wl,-Bdynamic
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cp $SRC/*.dict $SRC/*.options $OUT/
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cp $SRC/*.options $OUT/
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@ -1,73 +0,0 @@
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/*
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# Copyright 2021 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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################################################################################
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <libass/ass.h>
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static ASS_Library *ass_library;
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static ASS_Renderer *ass_renderer;
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void msg_callback(int level, const char *fmt, va_list va, void *data) {
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}
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static const int kFrameWidth = 1280;
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static const int kFrameHeight = 720;
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struct init {
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init(int frame_w, int frame_h) {
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ass_library = ass_library_init();
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if (!ass_library) {
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printf("ass_library_init failed!\n");
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exit(1);
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}
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ass_set_message_cb(ass_library, msg_callback, NULL);
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ass_renderer = ass_renderer_init(ass_library);
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if (!ass_renderer) {
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printf("ass_renderer_init failed!\n");
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exit(1);
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}
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ass_set_frame_size(ass_renderer, frame_w, frame_h);
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ass_set_fonts(ass_renderer, nullptr, "sans-serif",
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ASS_FONTPROVIDER_AUTODETECT, nullptr, 1);
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}
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~init() {
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ass_renderer_done(ass_renderer);
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ass_library_done(ass_library);
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}
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};
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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static init initialized(kFrameWidth, kFrameHeight);
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ASS_Track *track = ass_read_memory(ass_library, (char *)data, size, nullptr);
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if (!track) return 0;
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for (int i = 0; i < track->n_events; ++i) {
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ASS_Event &ev = track->events[i];
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long long tm = ev.Start + ev.Duration / 2;
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ass_render_frame(ass_renderer, track, tm, nullptr);
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}
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ass_free_track(track);
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return 0;
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}
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