1 // Test that SIGSEGV during leak checking does not crash the process. 2 // RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s 3 // REQUIRES: leak-detection 4 #include <stdlib.h> 5 #include <stdio.h> 6 #include <sys/mman.h> 7 #include <sanitizer/lsan_interface.h> 8 9 char data[10 * 1024 * 1024]; 10 11 int main() { 12 void *p = malloc(10 * 1024 * 1024); 13 // surprise-surprise! 14 mprotect((void*)(((unsigned long)p + 4095) & ~4095), 16 * 1024, PROT_NONE); 15 mprotect((void*)(((unsigned long)data + 4095) & ~4095), 16 * 1024, PROT_NONE); 16 __lsan_do_leak_check(); 17 fprintf(stderr, "DONE\n"); 18 } 19 20 // CHECK: Tracer caught signal 11 21 // CHECK: LeakSanitizer has encountered a fatal error 22 // CHECK: HINT: For debugging, try setting {{.*}} LSAN_OPTIONS 23 // CHECK-NOT: DONE 24
