test: Patch.ftrace_nop Illegal instruction on Debian12 #19
Description
$ ./src/tests/ulpatch_test -f Patch.ftrace_nop -v
Command: ulpatch_test
Exe: /home/sdb/Git/ulpatch/build/src/tests/ulpatch_test
Pid: 22017
PIE: NO
FTO: 8c
MemFD: 4
Disasm:
0x0: push rbp
0x1: mov rbp, rsp
0x4: sub rsp, 0x20
0x8: call 0xffffffffffff7c95
0xd:
Disasm:
0x0: push rbp
0x1: mov rbp, rsp
0x4: sub rsp, 0x20
0x8: nop dword ptr [rax + rax]
0xd:
Disasm:
0x0: push rbp
0x1: mov rbp, rsp
0x4: sub rsp, 0x20
0x8: call 0xffffffffffff7c95
$ objdump -d ./src/tests/ulpatch_test | grep 'try_to_wake_up>:' -A 10
000000000040df0b <try_to_wake_up>:
40df0b: 55 push %rbp
40df0c: 48 89 e5 mov %rsp,%rbp
40df0f: 48 83 ec 20 sub $0x20,%rsp
40df13: e8 88 7c ff ff call 405ba0 <mcount@plt>
40df18: 48 89 7d e8 mov %rdi,-0x18(%rbp)
40df1c: 89 75 e4 mov %esi,-0x1c(%rbp)
40df1f: 89 55 e0 mov %edx,-0x20(%rbp)
40df22: 41 b9 52 ab 4f 00 mov $0x4fab52,%r9d
40df28: 41 b8 32 00 00 00 mov $0x32,%r8d
40df2e: b9 e8 ac 4f 00 mov $0x4face8,%ecx
On Debian/Ubuntu
$ ./src/tests/ulpatch_test -f Patch.ftrace_nop -v
Command: ulpatch_test
Exe: /home/rongtao/Git/ulpatch/build/src/tests/ulpatch_test
Pid: 9202
PIE: YES
FTO: 8c
MemFD: 4
Disasm:
0x0: push rbp
0x1: mov rbp, rsp
0x4: sub rsp, 0x20
0x8: call qword ptr [rip + 0x2e1c4]
0xe: mov qword ptr [rbp - 0x18], rdi
0x12: mov dword ptr [rbp - 0x1c], esi
0x15:
Disasm:
0x0: push rbp
0x1: mov rbp, rsp
0x4: sub rsp, 0x20
0x8: call qword ptr [rip + 0x2e1c4]
0xe: mov qword ptr [rbp + 0xf], rdi
0x12:
Illegal instruction
$ objdump -d ./src/tests/ulpatch_test | grep 'try_to_wake_up>:' -A 10
000000000001fcfe <try_to_wake_up>:
1fcfe: 55 push %rbp
1fcff: 48 89 e5 mov %rsp,%rbp
1fd02: 48 83 ec 20 sub $0x20,%rsp
1fd06: ff 15 c4 e1 02 00 call *0x2e1c4(%rip) # 4ded0 <mcount@GLIBC_2.2.5>
1fd0c: 48 89 7d e8 mov %rdi,-0x18(%rbp)
1fd10: 89 75 e4 mov %esi,-0x1c(%rbp)
1fd13: 89 55 e0 mov %edx,-0x20(%rbp)
1fd16: 4c 8d 0d 3d fc 01 00 lea 0x1fc3d(%rip),%r9 # 3f95a <__func__.0+0x33a>
1fd1d: 41 b8 32 00 00 00 mov $0x32,%r8d
1fd23: 48 8d 05 d6 fd 01 00 lea 0x1fdd6(%rip),%rax # 3fb00 <__func__.4>