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[NFC][compiler-rt][test] when using ptrauth, strip before checking if poisoned 

ptrauth stores info in the address of functions, so it's not the right address we should check if poisoned

rdar://75246928

Differential Revision: https://reviews.llvm.org/D106199
This commit is contained in:
Emily Shi 2021-07-16 17:03:47 -07:00
parent b0aa70761b
commit b316c30269
1 changed files with 10 additions and 1 deletions
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11
compiler-rt/test/asan/TestCases/Darwin/linked-only.cpp
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@ -10,6 +10,9 @@
#include <string.h> #include <string.h>
#include "sanitizer/asan_interface.h" #include "sanitizer/asan_interface.h"
#if __has_feature(ptrauth_calls)
# include <ptrauth.h>
#endif
void test_shadow(char *p, size_t size) { void test_shadow(char *p, size_t size) {
fprintf(stderr, "p = %p\n", p); fprintf(stderr, "p = %p\n", p);
@ -23,7 +26,13 @@ int main(int argc, char *argv[]) {
free(p); free(p);
// CHECK: =-1= // CHECK: =-1=
test_shadow((char *)&main, 1); char *mainptr;
#if __has_feature(ptrauth_calls)
mainptr = (char *)ptrauth_strip((void *)&main, ptrauth_key_return_address);
#else
mainptr = (char *)&main;
#endif
test_shadow(mainptr, 1);
// CHECK: =-1= // CHECK: =-1=
test_shadow((char *)&p, 1); test_shadow((char *)&p, 1);