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projects/mupdf/oss-fuzz_391935579/crash.log
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INFO: Running with entropic power schedule (0xFF, 100).
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INFO: Seed: 1191553006
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INFO: Loaded 1 modules (168604 inline 8-bit counters): 168604 [0x5638ca7985a0, 0x5638ca7c183c),
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INFO: Loaded 1 PC tables (168604 PCs): 168604 [0x5638ca7c1840,0x5638caa54200),
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/out/pdf_fuzzer: Running 1 inputs 1 time(s) each.
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Running: /tmp/poc
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=================================================================
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==2094==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x7b6c8fbe0400 at pc 0x5638c746c69a bp 0x7ffdbf6db590 sp 0x7ffdbf6dad58
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READ of size 35 at 0x7b6c8fbe0400 thread T0
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#0 0x5638c746c699 in strrchr /src/llvm-project/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:779:5
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#1 0x5638c772e4e1 in cbz_recognize_doc_content /src/mupdf/source/cbz/mucbz.c:362:10
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#2 0x5638c7546e83 in do_recognize_document_stream_and_dir_content /src/mupdf/source/fitz/document.c:293:15
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#3 0x5638c75479ba in fz_open_accelerated_document_with_stream_and_dir /src/mupdf/source/fitz/document.c:458:12
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#4 0x5638c7535e03 in LLVMFuzzerTestOneInput /src/pdf_fuzzer.cc:143:11
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#5 0x5638c73d356d in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:619:13
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#6 0x5638c73be2e2 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:329:6
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#7 0x5638c73c41b0 in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:865:9
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#8 0x5638c73efce2 in main /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerMain.cpp:20:10
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#9 0x7f2c90b09082 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x24082) (BuildId: 5792732f783158c66fb4f3756458ca24e46e827d)
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#10 0x5638c73b73cd in _start (/out/pdf_fuzzer+0x59e3cd)
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0x7b6c8fbe0400 is located 0 bytes after 48-byte region [0x7b6c8fbe03d0,0x7b6c8fbe0400)
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allocated by thread T0 here:
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#0 0x5638c74f1ec4 in malloc /src/llvm-project/compiler-rt/lib/asan/asan_malloc_linux.cpp:67:3
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#1 0x5638c7536037 in fz_malloc_ossfuzz(void*, unsigned long) /src/pdf_fuzzer.cc:55:18
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#2 0x5638c7623e50 in do_scavenging_malloc /src/mupdf/source/fitz/memory.c:52:7
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#3 0x5638c76239e9 in fz_malloc /src/mupdf/source/fitz/memory.c:90:6
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#4 0x5638c784ae32 in fz_open_cfb_archive_with_stream /src/mupdf/source/fitz/uncfb.c:771:39
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#5 0x5638c7731c95 in fz_try_open_archive_with_stream /src/mupdf/source/fitz/archive.c:189:11
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#6 0x5638c772e3e8 in cbz_recognize_doc_content /src/mupdf/source/cbz/mucbz.c:348:11
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#7 0x5638c7546e83 in do_recognize_document_stream_and_dir_content /src/mupdf/source/fitz/document.c:293:15
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#8 0x5638c75479ba in fz_open_accelerated_document_with_stream_and_dir /src/mupdf/source/fitz/document.c:458:12
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#9 0x5638c7535e03 in LLVMFuzzerTestOneInput /src/pdf_fuzzer.cc:143:11
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#10 0x5638c73d356d in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:619:13
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#11 0x5638c73be2e2 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:329:6
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#12 0x5638c73c41b0 in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:865:9
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#13 0x5638c73efce2 in main /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerMain.cpp:20:10
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#14 0x7f2c90b09082 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x24082) (BuildId: 5792732f783158c66fb4f3756458ca24e46e827d)
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SUMMARY: AddressSanitizer: heap-buffer-overflow /src/mupdf/source/cbz/mucbz.c:362:10 in cbz_recognize_doc_content
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Shadow bytes around the buggy address:
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0x7b6c8fbe0180: fa fa 00 00 00 00 00 fa fa fa 00 00 00 00 00 fa
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0x7b6c8fbe0200: fa fa 00 00 00 00 00 fa fa fa 00 00 00 00 00 fa
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0x7b6c8fbe0280: fa fa fd fd fd fd fd fd fa fa fd fd fd fd fd fd
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0x7b6c8fbe0300: fa fa fd fd fd fd fd fa fa fa fd fd fd fd fd fa
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0x7b6c8fbe0380: fa fa fd fd fd fd fd fd fa fa 00 00 00 00 00 00
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=>0x7b6c8fbe0400:[fa]fa fd fd fd fd fd fa fa fa fd fd fd fd fd fa
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0x7b6c8fbe0480: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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0x7b6c8fbe0500: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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0x7b6c8fbe0580: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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0x7b6c8fbe0600: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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0x7b6c8fbe0680: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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Shadow byte legend (one shadow byte represents 8 application bytes):
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Addressable: 00
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Partially addressable: 01 02 03 04 05 06 07
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Heap left redzone: fa
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Freed heap region: fd
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Stack left redzone: f1
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Stack mid redzone: f2
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Stack right redzone: f3
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Stack after return: f5
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Stack use after scope: f8
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Global redzone: f9
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Global init order: f6
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Poisoned by user: f7
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Container overflow: fc
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Array cookie: ac
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Intra object redzone: bb
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ASan internal: fe
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Left alloca redzone: ca
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Right alloca redzone: cb
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==2094==ABORTING
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projects/mupdf/oss-fuzz_391935579/poc.bin
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version https://git-lfs.github.com/spec/v1
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oid sha256:ac04cea61a884c79ed64971d9d67b47fe2c1393f6296842e103f03617bab6a13
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size 3584
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projects/mupdf/oss-fuzz_391935579/src.tgz
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version https://git-lfs.github.com/spec/v1
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oid sha256:e27d17ee27b902c700319b013ed849d03c650c0947c872cfbc29742550f49bad
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size 339006260
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