None
None
this bug is reported by pwd@360TeamSeri0us, please send email to teamSeri0us360@gmail.com if you have some quetion.
recfix --auto @@
In file: /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-fex.c
613 elem->function_data = NULL;
614 elem->rewrite_to = NULL;
615 elem->str = strdup (elem_str);
616 elem->min = -1;
617 elem->max = -1;
► 618 new->elems[new->num_elems++] = elem;
619 }
620 else
621 {
622 res = false;
623 break;=================================================================
==30571==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x61d000007690 at pc 0x7fa6db09e374 bp 0x7fff2a396010 sp 0x7fff2a396008
WRITE of size 8 at 0x61d000007690 thread T0
#0 0x7fa6db09e373 in rec_fex_parse_str_simple /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-fex.c:618:44
#1 0x7fa6db09d026 in rec_fex_new /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-fex.c:112:20
#2 0x7fa6db077d3c in rec_int_check_descriptor /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-int.c:1007:21
#3 0x7fa6db077d3c in rec_int_check_rset /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-int.c:156
#4 0x7fa6db07530b in rec_int_check_db /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-int.c:112:19
#5 0x5181bf in recfix_check_database /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/utils/recfix.c:344:10
#6 0x5181bf in recfix_do_auto /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/utils/recfix.c:521
#7 0x5181bf in main /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/utils/recfix.c:558
#8 0x7fa6d9edab96 in __libc_start_main /build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:310
#9 0x41c3e9 in _start (/home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/installed-asan/bin/recfix+0x41c3e9)
0x61d000007690 is located 0 bytes to the right of 2064-byte region [0x61d000006e80,0x61d000007690)
allocated by thread T0 here:
#0 0x4dc2a0 in __interceptor_malloc /home/pwd/llvm_dev/llvm/projects/compiler-rt/lib/asan/asan_malloc_linux.cc:88
#1 0x7fa6db09c55e in rec_fex_new /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-fex.c:83:9
#2 0x7fa6db077d3c in rec_int_check_descriptor /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-int.c:1007:21
#3 0x7fa6db077d3c in rec_int_check_rset /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-int.c:156
#4 0x7fa6db07530b in rec_int_check_db /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-int.c:112:19
SUMMARY: AddressSanitizer: heap-buffer-overflow /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-fex.c:618:44 in rec_fex_parse_str_simple
Shadow bytes around the buggy address:
0x0c3a7fff8e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c3a7fff8e90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c3a7fff8ea0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c3a7fff8eb0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c3a7fff8ec0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c3a7fff8ed0: 00 00[fa]fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c3a7fff8ee0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c3a7fff8ef0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c3a7fff8f00: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c3a7fff8f10: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x0c3a7fff8f20: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
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
==30571==ABORTING
recfix --auto @@
In file: /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-types.c
1426 || rec_letter_p (*p)
1427 || rec_digit_p (*p)
1428 || (*p == '_')
1429 || (*p == '-')))
1430 {
► 1431 name[p - b] = *p;
1432 p++;
1433 }
1434 name[p - b] = '\0';
1435
1436 /* Check for the name in the enum types. */=================================================================
==30740==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7fffe1708284 at pc 0x7fad107697b4 bp 0x7fffe17081d0 sp 0x7fffe17081c8
WRITE of size 1 at 0x7fffe1708284 thread T0
#0 0x7fad107697b3 in rec_type_check_enum /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-types.c:1431:23
#1 0x7fad107697b3 in rec_type_check /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-types.c:640
#2 0x7fad107400c5 in rec_int_check_field_type /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-int.c:307:16
#3 0x7fad1073e100 in rec_int_check_record_types /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-int.c:383:12
#4 0x7fad1073e100 in rec_int_check_record /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-int.c:230
#5 0x7fad1073ce40 in rec_int_check_rset /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-int.c:202:14
#6 0x7fad1073930b in rec_int_check_db /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-int.c:112:19
#7 0x5181bf in recfix_check_database /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/utils/recfix.c:344:10
#8 0x5181bf in recfix_do_auto /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/utils/recfix.c:521
#9 0x5181bf in main /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/utils/recfix.c:558
#10 0x7fad0f59eb96 in __libc_start_main /build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:310
#11 0x41c3e9 in _start (/home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/installed-asan/bin/recfix+0x41c3e9)
Address 0x7fffe1708284 is located in stack of thread T0 at offset 164 in frame
#0 0x7fad1076823f in rec_type_check /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-types.c:577
This frame has 9 object(s):
[32, 48) 'uu.i' (line 1222)
[64, 164) 'name.i' (line 1412) <== Memory access at offset 164 overflows this variable
[208, 224) 'tm.i' (line 1372)
[240, 248) 'tmp.i80' (line 1314)
[272, 280) 'p.i' (line 1261)
[304, 308) 'num.i' (line 1262)
[320, 328) 'tmp.i' (line 1263)
[352, 360) 'err_str' (line 580)
[384, 392) 'errors_size' (line 581)
HINT: this may be a false positive if your program uses some custom stack unwind mechanism or swapcontext
(longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: stack-buffer-overflow /home/pwd/gnu-fuzz/recutils/recutils-1.8.patch/src/rec-types.c:1431:23 in rec_type_check_enum
Shadow bytes around the buggy address:
0x10007c2d9000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10007c2d9010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10007c2d9020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10007c2d9030: 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1
0x10007c2d9040: f8 f8 f2 f2 00 00 00 00 00 00 00 00 00 00 00 00
=>0x10007c2d9050:[04]f2 f2 f2 f2 f2 f8 f8 f2 f2 f8 f2 f2 f2 f8 f2
0x10007c2d9060: f2 f2 f8 f2 f8 f2 f2 f2 00 f2 f2 f2 00 f3 f3 f3
0x10007c2d9070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x10007c2d9080: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 f2 f2 f2
0x10007c2d9090: f8 f2 f2 f2 f8 f3 f3 f3 00 00 00 00 00 00 00 00
0x10007c2d90a0: 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1
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
==30740==ABORTING