1 // Check that without suppressions, we catch the issue. 2 // RUN: %clangxx_asan -O0 %s -o %t 3 // RUN: not %run %t 2>&1 | FileCheck --check-prefix=CHECK-CRASH %s 4 5 // If the executable is started from a different location, we should still 6 // find the suppression file located relative to the location of the executable. 7 // RUN: rm -rf %T/suppressions-exec-relative-location 8 // RUN: mkdir -p %T/suppressions-exec-relative-location 9 // RUN: %clangxx_asan -O0 %s -o %T/suppressions-exec-relative-location/exec 10 // RUN: echo "interceptor_via_fun:crash_function" > \ 11 // RUN: %T/suppressions-exec-relative-location/supp.txt 12 // RUN: %env_asan_opts=suppressions='"supp.txt"' \ 13 // RUN: %run %T/suppressions-exec-relative-location/exec 2>&1 | \ 14 // RUN: FileCheck --check-prefix=CHECK-IGNORE %s 15 // RUN: rm -rf %T/suppressions-exec-relative-location 16 17 // If the wrong absolute path is given, we don't try to construct 18 // a relative path with it. 19 // RUN: %env_asan_opts=suppressions='"/absolute/path"' not %run %t 2>&1 | \ 20 // RUN: FileCheck --check-prefix=CHECK-WRONG-FILE-NAME %s 21 22 // Test that we reject directory as filename. 23 // RUN: %env_asan_opts=suppressions='"folder/only/"' not %run %t 2>&1 | \ 24 // RUN: FileCheck --check-prefix=CHECK-WRONG-FILE-NAME %s 25 26 // XFAIL: android 27 // XFAIL: win32 28 29 #include <stdio.h> 30 #include <stdlib.h> 31 #include <string.h> 32 crash_function()33void crash_function() { 34 char *a = (char *)malloc(6); 35 free(a); 36 size_t len = strlen(a); // BOOM 37 fprintf(stderr, "strlen ignored, len = %zu\n", len); 38 } 39 main()40int main() { 41 crash_function(); 42 } 43 44 // CHECK-CRASH: AddressSanitizer: heap-use-after-free 45 // CHECK-IGNORE-NOT: AddressSanitizer: heap-buffer-overflow 46 // CHECK-IGNORE: ignored 47 // CHECK-WRONG-FILE-NAME: failed to read suppressions file 48