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// Checks that the ASan debugging API for getting report information
// returns correct values.
// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
#include <sanitizer/asan_interface.h>
#include <stdio.h>
#include <stdlib.h>
int main() {
char *heap_ptr = (char *)malloc(10);
free(heap_ptr);
int present = __asan_report_present();
fprintf(stderr, "%s\n", (present == 0) ? "no report" : "");
// CHECK: no report
heap_ptr[0] = 'A'; // BOOM
return 0;
}
void __asan_on_error() {
int present = __asan_report_present();
void *pc = __asan_get_report_pc();
void *bp = __asan_get_report_bp();
void *sp = __asan_get_report_sp();
void *addr = __asan_get_report_address();
int is_write = __asan_get_report_access_type();
size_t access_size = __asan_get_report_access_size();
const char *description = __asan_get_report_description();
fprintf(stderr, "%s\n", (present == 1) ? "report" : "");
// CHECK: report
fprintf(stderr, "pc: %p\n", pc);
// CHECK: pc: 0x[[PC:[0-9a-f]+]]
fprintf(stderr, "bp: %p\n", bp);
// CHECK: bp: 0x[[BP:[0-9a-f]+]]
fprintf(stderr, "sp: %p\n", sp);
// CHECK: sp: 0x[[SP:[0-9a-f]+]]
fprintf(stderr, "addr: %p\n", addr);
// CHECK: addr: 0x[[ADDR:[0-9a-f]+]]
fprintf(stderr, "type: %s\n", (is_write ? "write" : "read"));
// CHECK: type: write
fprintf(stderr, "access_size: %ld\n", access_size);
// CHECK: access_size: 1
fprintf(stderr, "description: %s\n", description);
// CHECK: description: heap-use-after-free
}
// CHECK: AddressSanitizer: heap-use-after-free on address {{0x0*}}[[ADDR]] at pc {{0x0*}}[[PC]] bp {{0x0*}}[[BP]] sp {{0x0*}}[[SP]]
// CHECK: WRITE of size 1 at {{0x0*}}[[ADDR]] thread T0
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