global-buffer-overflow src/pcre2_printint.c:1123 in pcre2_printint_8

[YinChen001]

version: 10.46-DEV

system: ubuntu 24.04

git last commit：

commit [[c421b93](https://github.com/PCRE2Project/pcre2/commit/c421b939e7e1e7caf8a3de89b86f8e3fa83317e4)](https://github.com/PCRE2Project/pcre2/commit/c421b939e7e1e7caf8a3de89b86f8e3fa83317e4)(HEAD->master,origin/master,origin/HEAD)
Author:NicholasWilson
Date:MonFeb1712:34:132025+0000

command:./asan_code/pcre2/pcre2test -d ./4_id:000519,sig:11,src:1997567609,op:havoc,rep:2 /dev/null

poc: 4_id_000519,sig_11,src_1997567609,op_havoc,rep_2.zip

input:

=================================================================
==57537==ERROR: AddressSanitizer: global-buffer-overflow on address 0x64e9774383d3 at pc 0x64e977268955 bp 0x7fff6f8d7bc0 sp 0x7fff6f8d7bb0
READ of size 1 at 0x64e9774383d3 thread T0
    #0 0x64e977268954 in pcre2_printint_8 src/pcre2_printint.c:1123
    #1 0x64e977268954 in show_pattern_info src/pcre2test.c:4701
    #2 0x64e977240f06 in process_pattern src/pcre2test.c:6358
    #3 0x64e977240f06 in main src/pcre2test.c:10197
    #4 0x73b83bf0b082 in __libc_start_main ../csu/libc-start.c:308
    #5 0x64e977245d1d in _start (/home/lingzhen/asan_code/pcre2/pcre2test+0x26d1d)

0x64e9774383d3 is located 45 bytes to the left of global variable '*.LC809' defined in 'src/pcre2test.c' (0x64e977438400) of size 3
  '*.LC809' is ascii string '\G'
0x64e9774383d3 is located 16 bytes to the right of global variable '*.LC808' defined in 'src/pcre2test.c' (0x64e9774383c0) of size 3
  '*.LC808' is ascii string '\A'
SUMMARY: AddressSanitizer: global-buffer-overflow src/pcre2_printint.c:1123 in pcre2_printint_8
Shadow bytes around the buggy address:
  0x0c9daee7f020: f9 f9 f9 f9 00 00 f9 f9 f9 f9 f9 f9 00 f9 f9 f9
  0x0c9daee7f030: f9 f9 f9 f9 00 01 f9 f9 f9 f9 f9 f9 04 f9 f9 f9
  0x0c9daee7f040: f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9 05 f9 f9 f9
  0x0c9daee7f050: f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9 00 00 00 00
  0x0c9daee7f060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c9daee7f070: 00 05 f9 f9 f9 f9 f9 f9 03 f9[f9]f9 f9 f9 f9 f9
  0x0c9daee7f080: 03 f9 f9 f9 f9 f9 f9 f9 03 f9 f9 f9 f9 f9 f9 f9
  0x0c9daee7f090: 03 f9 f9 f9 f9 f9 f9 f9 03 f9 f9 f9 f9 f9 f9 f9
  0x0c9daee7f0a0: 03 f9 f9 f9 f9 f9 f9 f9 03 f9 f9 f9 f9 f9 f9 f9
  0x0c9daee7f0b0: 03 f9 f9 f9 f9 f9 f9 f9 03 f9 f9 f9 f9 f9 f9 f9
  0x0c9daee7f0c0: 03 f9 f9 f9 f9 f9 f9 f9 03 f9 f9 f9 f9 f9 f9 f9
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
==57537==ABORTING