xref: /aosp_15_r20/external/compiler-rt/test/msan/dlopen_executable.cc (revision 7c3d14c8b49c529e04be81a3ce6f5cc23712e4c6)
1*7c3d14c8STreehugger Robot // RUN: %clangxx_msan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
2*7c3d14c8STreehugger Robot 
3*7c3d14c8STreehugger Robot #include <assert.h>
4*7c3d14c8STreehugger Robot #include <dlfcn.h>
5*7c3d14c8STreehugger Robot #include <stdlib.h>
6*7c3d14c8STreehugger Robot 
7*7c3d14c8STreehugger Robot static int my_global;
8*7c3d14c8STreehugger Robot 
main(void)9*7c3d14c8STreehugger Robot int main(void) {
10*7c3d14c8STreehugger Robot   int *uninit = (int*)malloc(sizeof(int));
11*7c3d14c8STreehugger Robot   my_global = *uninit;
12*7c3d14c8STreehugger Robot   void *p = dlopen(0, RTLD_NOW);
13*7c3d14c8STreehugger Robot   assert(p && "failed to get handle to executable");
14*7c3d14c8STreehugger Robot   return my_global;
15*7c3d14c8STreehugger Robot   // CHECK: MemorySanitizer: use-of-uninitialized-value
16*7c3d14c8STreehugger Robot   // CHECK: #0 {{.*}} in main{{.*}}dlopen_executable.cc:[[@LINE-2]]
17*7c3d14c8STreehugger Robot }
18