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http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_system&no=2003 [복사]
[-------------------------------------code-------------------------------------]
0x564de596b355 <main+37>: xor eax,eax
0x564de596b357 <main+39>: lea rax,[rip+0x195e] # 0x564de596ccbc
0x564de596b35e <main+46>: test ebx,ebx
=> 0x564de596b360 <main+48>: mov QWORD PTR [rsp+0x128],0x0
0x564de596b36c <main+60>: mov QWORD PTR [rsp+0xb0],rax
0x564de596b374 <main+68>: lea rax,[rip+0x1947] # 0x564de596ccc2
0x564de596b37b <main+75>: mov QWORD PTR [rsp+0xb8],rax
0x564de596b383 <main+83>: lea rax,[rip+0x193d] # 0x564de596ccc7
[------------------------------------stack-------------------------------------]
0000| 0x7fffc2c54a70 --> 0x0
0008| 0x7fffc2c54a78 --> 0x0
0016| 0x7fffc2c54a80 --> 0x0
0024| 0x7fffc2c54a88 --> 0x0
0032| 0x7fffc2c54a90 --> 0x0
0040| 0x7fffc2c54a98 --> 0x0
0048| 0x7fffc2c54aa0 --> 0x0
0056| 0x7fffc2c54aa8 --> 0x0
[------------------------------------------------------------------------------]
Legend: code, data, rodata, value
Stopped reason: SIGSEGV
0x0000564de596b360 in main ()
gdb-peda$ p/x $rsp+0x128
$1 = 0x7fffc2c54b98
gdb-peda$ vmmap 0x7fffc2c54b98
Start End Perm Name
0x00007fffc2c36000 0x00007fffc2c57000 rw-p [stack]
gdb-peda$
main+48 라인에서 스택에 0을 넣으라는 명령이 왜 SIGSEGV를 발생시키는지 모르겠습니다. |
Hit : 1440 Date : 2022/02/04 08:59
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1574, 
6/79 
