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author | Steve Dower <steve.dower@microsoft.com> | 2017-02-04 15:05:50 -0800 |
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committer | Steve Dower <steve.dower@microsoft.com> | 2017-02-04 15:05:50 -0800 |
commit | 3b0e4320092ac0504b6670cafaf0301b908c91fc (patch) | |
tree | d3be1b6b844d61763bb366fa21ceed475e5703fd /Modules/_ctypes/libffi/testsuite/libffi.call/cls_pointer.c | |
parent | b2fa705fd3887c326e811c418469c784353027f4 (diff) | |
parent | f687fbcd73c14dfcbe086eb5cd94b298f1e81e72 (diff) | |
download | cpython-3b0e4320092ac0504b6670cafaf0301b908c91fc.tar.gz |
Issue #29392: Prevent crash when passing invalid arguments into msvcrt module.
Diffstat (limited to 'Modules/_ctypes/libffi/testsuite/libffi.call/cls_pointer.c')
-rw-r--r-- | Modules/_ctypes/libffi/testsuite/libffi.call/cls_pointer.c | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/Modules/_ctypes/libffi/testsuite/libffi.call/cls_pointer.c b/Modules/_ctypes/libffi/testsuite/libffi.call/cls_pointer.c deleted file mode 100644 index d82a87a71b..0000000000 --- a/Modules/_ctypes/libffi/testsuite/libffi.call/cls_pointer.c +++ /dev/null @@ -1,74 +0,0 @@ -/* Area: ffi_call, closure_call - Purpose: Check pointer arguments. - Limitations: none. - PR: none. - Originator: Blake Chaffin 6/6/2007 */ - -/* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */ -#include "ffitest.h" - -void* cls_pointer_fn(void* a1, void* a2) -{ - void* result = (void*)((intptr_t)a1 + (intptr_t)a2); - - printf("0x%08x 0x%08x: 0x%08x\n", - (unsigned int)(uintptr_t) a1, - (unsigned int)(uintptr_t) a2, - (unsigned int)(uintptr_t) result); - - return result; -} - -static void -cls_pointer_gn(ffi_cif* cif __UNUSED__, void* resp, - void** args, void* userdata __UNUSED__) -{ - void* a1 = *(void**)(args[0]); - void* a2 = *(void**)(args[1]); - - *(void**)resp = cls_pointer_fn(a1, a2); -} - -int main (void) -{ - ffi_cif cif; - void *code; - ffi_closure* pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); - void* args[3]; - /* ffi_type cls_pointer_type; */ - ffi_type* arg_types[3]; - -/* cls_pointer_type.size = sizeof(void*); - cls_pointer_type.alignment = 0; - cls_pointer_type.type = FFI_TYPE_POINTER; - cls_pointer_type.elements = NULL;*/ - - void* arg1 = (void*)0x12345678; - void* arg2 = (void*)0x89abcdef; - ffi_arg res = 0; - - arg_types[0] = &ffi_type_pointer; - arg_types[1] = &ffi_type_pointer; - arg_types[2] = NULL; - - CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &ffi_type_pointer, - arg_types) == FFI_OK); - - args[0] = &arg1; - args[1] = &arg2; - args[2] = NULL; - - ffi_call(&cif, FFI_FN(cls_pointer_fn), &res, args); - /* { dg-output "0x12345678 0x89abcdef: 0x9be02467" } */ - printf("res: 0x%08x\n", (unsigned int) res); - /* { dg-output "\nres: 0x9be02467" } */ - - CHECK(ffi_prep_closure_loc(pcl, &cif, cls_pointer_gn, NULL, code) == FFI_OK); - - res = (ffi_arg)(uintptr_t)((void*(*)(void*, void*))(code))(arg1, arg2); - /* { dg-output "\n0x12345678 0x89abcdef: 0x9be02467" } */ - printf("res: 0x%08x\n", (unsigned int) res); - /* { dg-output "\nres: 0x9be02467" } */ - - exit(0); -} |