==12839==AddressSanitizer: failed to intercept 'preadv'
==12839==AddressSanitizer: failed to intercept 'preadv64'
==12839==AddressSanitizer: failed to intercept 'pwritev'
==12839==AddressSanitizer: failed to intercept 'pwritev64'
==12839==AddressSanitizer: failed to intercept '__isoc99_scanf'
==12839==AddressSanitizer: failed to intercept '__isoc99_sscanf'
==12839==AddressSanitizer: failed to intercept '__isoc99_fscanf'
==12839==AddressSanitizer: failed to intercept '__isoc99_vscanf'
==12839==AddressSanitizer: failed to intercept '__isoc99_vsscanf'
==12839==AddressSanitizer: failed to intercept '__isoc99_vfscanf'
==12839==AddressSanitizer: failed to intercept '__isoc99_printf'
==12839==AddressSanitizer: failed to intercept '__isoc99_sprintf'
==12839==AddressSanitizer: failed to intercept '__isoc99_snprintf'
==12839==AddressSanitizer: failed to intercept '__isoc99_fprintf'
==12839==AddressSanitizer: failed to intercept '__isoc99_vprintf'
==12839==AddressSanitizer: failed to intercept '__isoc99_vsprintf'
==12839==AddressSanitizer: failed to intercept '__isoc99_vsnprintf'
==12839==AddressSanitizer: failed to intercept '__isoc99_vfprintf'
==12839==AddressSanitizer: failed to intercept 'accept4'
==12839==AddressSanitizer: failed to intercept 'pthread_mutexattr_getrobust'
==12839==AddressSanitizer: failed to intercept 'pthread_setname_np'
==12839==AddressSanitizer: failed to intercept 'timerfd_settime'
==12839==AddressSanitizer: failed to intercept 'timerfd_gettime'
==12839==AddressSanitizer: failed to intercept 'process_vm_readv'
==12839==AddressSanitizer: failed to intercept 'process_vm_writev'
==12839==AddressSanitizer: failed to intercept 'eventfd_read'
==12839==AddressSanitizer: failed to intercept 'eventfd_write'
==12839==AddressSanitizer: libc interceptors initialized
|| `[0x10007fff8000, 0x7fffffffffff]` || HighMem    ||
|| `[0x02008fff7000, 0x10007fff7fff]` || HighShadow ||
|| `[0x005000000000, 0x02008fff6fff]` || ShadowGap3 ||
|| `[0x003000000000, 0x004fffffffff]` || MidMem     ||
|| `[0x000a7fff8000, 0x002fffffffff]` || ShadowGap2 ||
|| `[0x00067fff8000, 0x000a7fff7fff]` || MidShadow  ||
|| `[0x00008fff7000, 0x00067fff7fff]` || ShadowGap  ||
|| `[0x00007fff8000, 0x00008fff6fff]` || LowShadow  ||
|| `[0x000000000000, 0x00007fff7fff]` || LowMem     ||
MemToShadow(shadow): 0x00008fff7000 0x000091ff6dff 0x004091ff6e00 0x02008fff6fff 0x00014fff7000 0x0001cfff6fff
redzone=16
max_redzone=2048
quarantine_size_mb=256M
malloc_context_size=30
SHADOW_SCALE: 3
SHADOW_GRANULARITY: 8
SHADOW_OFFSET: 0x7fff8000
==12839==Installed the sigaction for signal 11
==12839==Installed the sigaction for signal 7
==12839==Installed the sigaction for signal 8
==12839==T0: stack [0x7ffef9b3f000,0x7fff39b3f000) size 0x40000000; local=0x7fff39b3b090
==12839==LeakSanitizer: Dynamic linker not found. TLS will not be handled correctly.
==12839==AddressSanitizer Init done
=================================================================
==12839==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x61400000ffd0 at pc 0x0000005118cb bp 0x7fff39b3b060 sp 0x7fff39b3b058
WRITE of size 4 at 0x61400000ffd0 thread T0
    #0 0x5118ca  (/home/fangqing/work/test/addr_sanitizer/small_case/a.out+0x5118ca)
    #1 0x3099a1d9c3  (/lib64/libc.so.6+0x3099a1d9c3)
    #2 0x41e8e8  (/home/fangqing/work/test/addr_sanitizer/small_case/a.out+0x41e8e8)

0x61400000ffd0 is located 0 bytes to the right of 400-byte region [0x61400000fe40,0x61400000ffd0)
allocated by thread T0 here:
    #0 0x50e630  (/home/fangqing/work/test/addr_sanitizer/small_case/a.out+0x50e630)
    #1 0x511816  (/home/fangqing/work/test/addr_sanitizer/small_case/a.out+0x511816)
    #2 0x3099a1d9c3  (/lib64/libc.so.6+0x3099a1d9c3)

SUMMARY: AddressSanitizer: heap-buffer-overflow (/home/fangqing/work/test/addr_sanitizer/small_case/a.out+0x5118ca) 
Shadow bytes around the buggy address:
  0x0c287fff9fa0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c287fff9fb0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c287fff9fc0: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00
  0x0c287fff9fd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c287fff9fe0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c287fff9ff0: 00 00 00 00 00 00 00 00 00 00[fa]fa fa fa fa fa
  0x0c287fffa000: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c287fffa010: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c287fffa020: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c287fffa030: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c287fffa040: 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
  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
  Left alloca redzone:     ca
  Right alloca redzone:    cb
==12839==ABORTING