heap-based buffer overflow in FilePOSIX::read

[insuyun]

https://github.com/jakkdu/poc/blob/master/000011-audiofile-heapovfl-FilePOSIX_read

./sfconvert $FILE out.mp3 format aiff

=================================================================
==9146==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60200000ebf1 at pc 0x7f0d4c7d4e55 bp 0x7ffffdd041a0 sp 0x7ffffdd03948
WRITE of size 156 at 0x60200000ebf1 thread T0
    #0 0x7f0d4c7d4e54  (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x45e54)
    #1 0x43d865 in read /usr/include/x86_64-linux-gnu/bits/unistd.h:44
    #2 0x43d865 in FilePOSIX::read(void*, unsigned long) /home/insu/projects/qsym-eval/apps/audiofile/audiofile/libaudiofile/File.cpp:126
    #3 0x40ef02 in FileModule::read(void*, unsigned long) /home/insu/projects/qsym-eval/apps/audiofile/audiofile/libaudiofile/modules/FileModule.cpp:42
    #4 0x41e839 in PCM::runPull() /home/insu/projects/qsym-eval/apps/audiofile/audiofile/libaudiofile/modules/PCM.cpp:166
    #5 0x41475e in Module::pull(unsigned long) /home/insu/projects/qsym-eval/apps/audiofile/audiofile/libaudiofile/modules/Module.cpp:71
    #6 0x4209a4 in SimpleModule::runPull() /home/insu/projects/qsym-eval/apps/audiofile/audiofile/libaudiofile/modules/SimpleModule.cpp:28
    #7 0x4074ef in afReadFrames /home/insu/projects/qsym-eval/apps/audiofile/audiofile/libaudiofile/data.cpp:222
    #8 0x402287 in copyaudiodata /home/insu/projects/qsym-eval/apps/audiofile/audiofile/sfcommands/sfconvert.c:370
    #9 0x402f4d in main /home/insu/projects/qsym-eval/apps/audiofile/audiofile/sfcommands/sfconvert.c:275
    #10 0x7f0d4bd5a82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
    #11 0x401f48 in _start (/home/insu/projects/qsym-eval/apps/audiofile/out/build-asan/sfconvert+0x401f48)

0x60200000ebf1 is located 0 bytes to the right of 1-byte region [0x60200000ebf0,0x60200000ebf1)
allocated by thread T0 here:
    #0 0x7f0d4c828532 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x99532)
    #1 0x419243 in Chunk::allocate(unsigned long) /home/insu/projects/qsym-eval/apps/audiofile/audiofile/libaudiofile/modules/Module.h:59
    #2 0x419243 in ModuleState::setup(_AFfilehandle*, Track*) /home/insu/projects/qsym-eval/apps/audiofile/audiofile/libaudiofile/modules/ModuleState.cpp:174
    #3 0x407f74 in afGetFrameCount /home/insu/projects/qsym-eval/apps/audiofile/audiofile/libaudiofile/format.cpp:205
    #4 0x402252 in copyaudiodata /home/insu/projects/qsym-eval/apps/audiofile/audiofile/sfcommands/sfconvert.c:359
    #5 0x402f4d in main /home/insu/projects/qsym-eval/apps/audiofile/audiofile/sfcommands/sfconvert.c:275
    #6 0x7f0d4bd5a82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)

SUMMARY: AddressSanitizer: heap-buffer-overflow ??:0 ??
Shadow bytes around the buggy address:
  0x0c047fff9d20: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c047fff9d30: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c047fff9d40: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c047fff9d50: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c047fff9d60: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
=>0x0c047fff9d70: fa fa fa fa fa fa fa fa fa fa fa fa fa fa[01]fa
  0x0c047fff9d80: fa fa 01 fa fa fa 00 00 fa fa fd fd fa fa fd fa
  0x0c047fff9d90: fa fa fd fa fa fa 01 fa fa fa 01 fa fa fa 01 fa
  0x0c047fff9da0: fa fa 01 fa fa fa 01 fa fa fa 01 fa fa fa 01 fa
  0x0c047fff9db0: fa fa 01 fa fa fa 00 01 fa fa fd fa fa fa fd fa
  0x0c047fff9dc0: fa fa fd fa fa fa fd fa fa fa fd fa fa fa fd 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
  Heap right redzone:      fb
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack partial redzone:   f4
  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
==9146==ABORTING