1 // RUN: %clangxx_asan -mllvm -asan-coverage=1 -DSHARED %s -shared -o %T/libcoverage_test.so -fPIC 2 // RUN: %clangxx_asan -mllvm -asan-coverage=1 %s -o %t -Wl,-R,\$ORIGIN -L%T -lcoverage_test 3 // RUN: export ASAN_OPTIONS=coverage=1:verbosity=1 4 // RUN: mkdir -p %T/coverage && cd %T/coverage 5 // RUN: %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-main 6 // RUN: %run %t foo 2>&1 | FileCheck %s --check-prefix=CHECK-foo 7 // RUN: %run %t bar 2>&1 | FileCheck %s --check-prefix=CHECK-bar 8 // RUN: %run %t foo bar 2>&1 | FileCheck %s --check-prefix=CHECK-foo-bar 9 // RUN: not %run %t foo bar 4 2>&1 | FileCheck %s --check-prefix=CHECK-report 10 // RUN: not %run %t foo bar 4 5 2>&1 | FileCheck %s --check-prefix=CHECK-segv 11 // RUN: cd .. && rm coverage -r 12 // 13 // https://code.google.com/p/address-sanitizer/issues/detail?id=263 14 // XFAIL: android 15 16 #include <stdio.h> 17 #include <string.h> 18 #include <unistd.h> 19 20 #ifdef SHARED 21 void bar() { printf("bar\n"); } 22 #else 23 __attribute__((noinline)) 24 void foo() { printf("foo\n"); } 25 extern void bar(); 26 27 int G[4]; 28 29 int main(int argc, char **argv) { 30 fprintf(stderr, "PID: %d\n", getpid()); 31 for (int i = 1; i < argc; i++) { 32 if (!strcmp(argv[i], "foo")) 33 foo(); 34 if (!strcmp(argv[i], "bar")) 35 bar(); 36 } 37 if (argc == 5) { 38 static volatile char *zero = 0; 39 *zero = 0; // SEGV if argc == 5. 40 } 41 return G[argc]; // Buffer overflow if argc >= 4. 42 } 43 #endif 44 45 // CHECK-main: PID: [[PID:[0-9]+]] 46 // CHECK-main: [[PID]].sancov: 1 PCs written 47 // CHECK-main-NOT: .so.[[PID]] 48 // 49 // CHECK-foo: PID: [[PID:[0-9]+]] 50 // CHECK-foo: [[PID]].sancov: 2 PCs written 51 // CHECK-foo-NOT: .so.[[PID]] 52 // 53 // CHECK-bar: PID: [[PID:[0-9]+]] 54 // CHECK-bar: [[PID]].sancov: 1 PCs written 55 // CHECK-bar: .so.[[PID]].sancov: 1 PCs written 56 // 57 // CHECK-foo-bar: PID: [[PID:[0-9]+]] 58 // CHECK-foo-bar: [[PID]].sancov: 2 PCs written 59 // CHECK-foo-bar: so.[[PID]].sancov: 1 PCs written 60 // 61 // CHECK-report: AddressSanitizer: global-buffer-overflow 62 // CHECK-report: PCs written 63 // 64 // CHECK-segv: AddressSanitizer: SEGV 65 // CHECK-segv: PCs written 66
