xref: /aosp_15_r20/external/compiler-rt/test/lsan/TestCases/use_unaligned.cc (revision 7c3d14c8b49c529e04be81a3ce6f5cc23712e4c6) 
1*7c3d14c8STreehugger Robot // Test that unaligned pointers are detected correctly.
2*7c3d14c8STreehugger Robot // RUN: LSAN_BASE="report_objects=1:use_stacks=0:use_registers=0"
3*7c3d14c8STreehugger Robot // RUN: %clangxx_lsan %s -o %t
4*7c3d14c8STreehugger Robot // RUN: LSAN_OPTIONS=$LSAN_BASE:"use_unaligned=0" not %run %t 2>&1 | FileCheck %s
5*7c3d14c8STreehugger Robot // RUN: LSAN_OPTIONS=$LSAN_BASE:"use_unaligned=1" %run %t 2>&1
6*7c3d14c8STreehugger Robot 
7*7c3d14c8STreehugger Robot #include <stdio.h>
8*7c3d14c8STreehugger Robot #include <stdlib.h>
9*7c3d14c8STreehugger Robot #include <string.h>
10*7c3d14c8STreehugger Robot 
11*7c3d14c8STreehugger Robot void *arr[2];
12*7c3d14c8STreehugger Robot 
main()13*7c3d14c8STreehugger Robot int main() {
14*7c3d14c8STreehugger Robot   void *p = malloc(1337);
15*7c3d14c8STreehugger Robot   fprintf(stderr, "Test alloc: %p.\n", p);
16*7c3d14c8STreehugger Robot   char *char_arr = (char *)arr;
17*7c3d14c8STreehugger Robot   memcpy(char_arr + 1, &p, sizeof(p));
18*7c3d14c8STreehugger Robot   return 0;
19*7c3d14c8STreehugger Robot }
20*7c3d14c8STreehugger Robot // CHECK: Test alloc: [[ADDR:.*]].
21*7c3d14c8STreehugger Robot // CHECK: LeakSanitizer: detected memory leaks
22*7c3d14c8STreehugger Robot // CHECK: [[ADDR]] (1337 bytes)
23*7c3d14c8STreehugger Robot // CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer:
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