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Add a unit test for a7a5d187e7

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This commit is contained in:
mio 2023-06-30 20:28:59 +08:00
parent a7a5d187e7
commit 2325f41ead
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1 changed files with 31 additions and 0 deletions
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31
tests/unit/test_x86.c
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@ -1438,6 +1438,36 @@ static void test_x86_segmentation()
uc_assert_err(UC_ERR_EXCEPTION, uc_reg_write(uc, UC_X86_REG_FS, &fs));
}
static void test_x86_0xff_lcall_callback(uc_engine *uc, uint64_t address, uint32_t size, void *user_data)
{
// do nothing
return;
}
// This aborts prior to a7a5d187e77f7853755eff4768658daf8095c3b7
static void test_x86_0xff_lcall()
{
uc_engine* uc;
uc_hook hk;
const char code[] = "\xB8\x01\x00\x00\x00\xBB\x01\x00\x00\x00\xB9\x01\x00\x00\x00\xFF\xDD\xBA\x01\x00\x00\x00\xB8\x02\x00\x00\x00\xBB\x02\x00\x00\x00";
// Taken from #1842
// 0: b8 01 00 00 00 mov eax,0x1
// 5: bb 01 00 00 00 mov ebx,0x1
// a: b9 01 00 00 00 mov ecx,0x1
// f: ff (bad)
// 10: dd ba 01 00 00 00 fnstsw WORD PTR [edx+0x1]
// 16: b8 02 00 00 00 mov eax,0x2
// 1b: bb 02 00 00 00 mov ebx,0x2
uc_common_setup(&uc, UC_ARCH_X86, UC_MODE_32, code, sizeof(code) - 1);
OK(uc_hook_add(uc, &hk, UC_HOOK_CODE, test_x86_0xff_lcall_callback, NULL, 1, 0));
OK(uc_emu_start(uc, code_start, code_start + sizeof(code) - 1, 0, 0));
OK(uc_close(uc));
}
TEST_LIST = {
{"test_x86_in", test_x86_in},
{"test_x86_out", test_x86_out},
@ -1484,4 +1514,5 @@ TEST_LIST = {
{"test_x86_mmu", test_x86_mmu},
{"test_x86_vtlb", test_x86_vtlb},
{"test_x86_segmentation", test_x86_segmentation},
{"test_x86_0xff_lcall", test_x86_0xff_lcall},
{NULL, NULL}};