| // Test that fake stack (introduced by ASan's use-after-return mode) is included |
| // in the root set. |
| // RUN: LSAN_BASE="report_objects=1:use_registers=0" |
| // RUN: %clangxx_lsan %s -O2 -o %t |
| // RUN: ASAN_OPTIONS=$ASAN_OPTIONS:detect_stack_use_after_return=1 LSAN_OPTIONS=$LSAN_BASE:"use_stacks=0" not %run %t 2>&1 | FileCheck %s |
| // RUN: ASAN_OPTIONS=$ASAN_OPTIONS:detect_stack_use_after_return=1 LSAN_OPTIONS=$LSAN_BASE:"use_stacks=1" %run %t 2>&1 |
| // RUN: ASAN_OPTIONS=$ASAN_OPTIONS:detect_stack_use_after_return=1 LSAN_OPTIONS="" %run %t 2>&1 |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| int main() { |
| void *stack_var = malloc(1337); |
| fprintf(stderr, "Test alloc: %p.\n", stack_var); |
| // Take pointer to variable, to ensure it's not optimized into a register. |
| fprintf(stderr, "Stack var at: %p.\n", &stack_var); |
| // Do not return from main to prevent the pointer from going out of scope. |
| exit(0); |
| } |
| // CHECK: Test alloc: [[ADDR:.*]]. |
| // CHECK: LeakSanitizer: detected memory leaks |
| // CHECK: [[ADDR]] (1337 bytes) |
| // CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer: |
