INFO: Seed: 1606364390
INFO: Loaded 1 modules   (22090 inline 8-bit counters): 22090 [0xbc4cc8, 0xbca312), 
INFO: Loaded 1 PC tables (22090 PCs): 22090 [0x8a0020,0x8f64c0), 
/out/hb-shape-fuzzer: Running 1 inputs 1 time(s) each.
Running: /tmp/poc
=================================================================
==13==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x617000000688 at pc 0x0000005cc77d bp 0x7fffe0301930 sp 0x7fffe0301928
READ of size 2 at 0x617000000688 thread T0
SCARINESS: 14 (2-byte-read-heap-buffer-overflow)
    #0 0x5cc77c in BEInt<unsigned short, 2>::operator unsigned short() const /src/harfbuzz/src/./hb-machinery.hh:728:59
    #1 0x5cc720 in OT::IntType<unsigned short, 2u>::operator unsigned int() const /src/harfbuzz/src/./hb-open-type.hh:67:51
    #2 0x70b6d5 in CFF::Charset1_2<OT::IntType<unsigned char, 1u> >::get_glyph(unsigned int) const /src/harfbuzz/src/./hb-ot-cff1-table.hh:401:12
    #3 0x70a421 in CFF1CSOpSet_Extents::process_seac(CFF::CFF1CSInterpEnv&, ExtentsParam&) /src/harfbuzz/src/hb-ot-cff1-table.cc:275:40
    #4 0x709f2c in CFF::CFF1CSOpSet<CFF1CSOpSet_Extents, ExtentsParam, CFF1PathProcs_Extents>::process_op(unsigned int, CFF::CFF1CSInterpEnv&, ExtentsParam&) /src/harfbuzz/src/./hb-cff1-interp-cs.hh:104:4
    #5 0x709b3b in CFF::CSInterpreter<CFF::CFF1CSInterpEnv, CFF1CSOpSet_Extents, ExtentsParam>::interpret(ExtentsParam&) /src/harfbuzz/src/./hb-cff-interp-cs-common.hh:876:7
    #6 0x708c00 in _get_bounds(OT::cff1::accelerator_t const*, unsigned int, Bounds&, bool) /src/harfbuzz/src/hb-ot-cff1-table.cc:303:7
    #7 0x708688 in OT::cff1::accelerator_t::get_extents(unsigned int, hb_glyph_extents_t*) const /src/harfbuzz/src/hb-ot-cff1-table.cc:312:8
    #8 0x6023ab in hb_ot_get_glyph_extents(hb_font_t*, void*, unsigned int, hb_glyph_extents_t*, void*) /src/harfbuzz/src/hb-ot-font.cc:187:26
    #9 0x74fa88 in position_around_base(hb_ot_shape_plan_t const*, hb_font_t*, hb_buffer_t*, unsigned int, unsigned int) /src/harfbuzz/src/hb-ot-shape-fallback.cc:313:14
    #10 0x74e29f in position_cluster(hb_ot_shape_plan_t const*, hb_font_t*, hb_buffer_t*, unsigned int, unsigned int) /src/harfbuzz/src/hb-ot-shape-fallback.cc:413:7
    #11 0x6bc8c8 in hb_ot_position(hb_ot_shape_context_t const*) /src/harfbuzz/src/hb-ot-shape.cc:904:3
    #12 0x6ba2b6 in hb_ot_shape_internal(hb_ot_shape_context_t*) /src/harfbuzz/src/hb-ot-shape.cc:975:3
    #13 0x6b9dd4 in _hb_ot_shape /src/harfbuzz/src/hb-ot-shape.cc:998:3
    #14 0x6ce628 in hb_shape_plan_execute /src/harfbuzz/src/./hb-shaper-list.hh:42:1
    #15 0x6cf854 in hb_shape_full /src/harfbuzz/src/hb-shape.cc:143:19
    #16 0x530a4d in LLVMFuzzerTestOneInput /src/harfbuzz/./test/fuzzing/hb-shape-fuzzer.cc:37:3
    #17 0x55c235 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/libfuzzer/FuzzerLoop.cpp:571:15
    #18 0x531a5d in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) /src/libfuzzer/FuzzerDriver.cpp:280:6
    #19 0x53d2a6 in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/libfuzzer/FuzzerDriver.cpp:713:9
    #20 0x5310dc in main /src/libfuzzer/FuzzerMain.cpp:20:10
    #21 0x7f195ce1883f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2083f)
    #22 0x41cfa8 in _start (/out/hb-shape-fuzzer+0x41cfa8)

DEDUP_TOKEN: BEInt<unsigned short, 2>::operator unsigned short() const--OT::IntType<unsigned short, 2u>::operator unsigned int() const--CFF::Charset1_2<OT::IntType<unsigned char, 1u> >::get_glyph(unsigned int) const
0x617000000688 is located 0 bytes to the right of 648-byte region [0x617000000400,0x617000000688)
allocated by thread T0 here:
    #0 0x52c508 in operator new[](unsigned long) /src/llvm/projects/compiler-rt/lib/asan/asan_new_delete.cc:109
    #1 0x55bfe7 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/libfuzzer/FuzzerLoop.cpp:558:23
    #2 0x531a5d in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) /src/libfuzzer/FuzzerDriver.cpp:280:6
    #3 0x53d2a6 in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/libfuzzer/FuzzerDriver.cpp:713:9
    #4 0x5310dc in main /src/libfuzzer/FuzzerMain.cpp:20:10
    #5 0x7f195ce1883f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2083f)

DEDUP_TOKEN: operator new[](unsigned long)--fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long)--fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long)
SUMMARY: AddressSanitizer: heap-buffer-overflow /src/harfbuzz/src/./hb-machinery.hh:728:59 in BEInt<unsigned short, 2>::operator unsigned short() const
Shadow bytes around the buggy address:
  0x0c2e7fff8080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c2e7fff8090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c2e7fff80a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c2e7fff80b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c2e7fff80c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c2e7fff80d0: 00[fa]fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c2e7fff80e0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c2e7fff80f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c2e7fff8100: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c2e7fff8110: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c2e7fff8120: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07 
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
  Shadow gap:              cc
==13==ABORTING