| // Test that SIGSEGV during leak checking does not crash the process. |
| // RUN: %clangxx_lsan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s |
| // UNSUPPORTED: ppc |
| #include <sanitizer/lsan_interface.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <sys/mman.h> |
| #include <unistd.h> |
| |
| char data[10 * 1024 * 1024]; |
| |
| int main() { |
| long pagesize_mask = sysconf(_SC_PAGESIZE) - 1; |
| void *p = malloc(10 * 1024 * 1024); |
| // surprise-surprise! |
| mprotect((void *)(((unsigned long)p + pagesize_mask) & ~pagesize_mask), |
| 16 * 1024, PROT_NONE); |
| mprotect((void *)(((unsigned long)data + pagesize_mask) & ~pagesize_mask), |
| 16 * 1024, PROT_NONE); |
| __lsan_do_leak_check(); |
| fprintf(stderr, "DONE\n"); |
| } |
| |
| // CHECK: Tracer caught signal 11 |
| // CHECK: LeakSanitizer has encountered a fatal error |
| // CHECK: HINT: For debugging, try setting {{.*}} LSAN_OPTIONS |
| // CHECK-NOT: DONE |
