llvm-project/compiler-rt/lib/asan/lit_tests/strncpy-overflow.cc

41 lines
2.1 KiB
C++

// RUN: %clangxx_asan -m64 -O0 %s -o %t && %t 2>&1 | %symbolize > %t.out
// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out
// RUN: %clangxx_asan -m64 -O1 %s -o %t && %t 2>&1 | %symbolize > %t.out
// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out
// RUN: %clangxx_asan -m64 -O2 %s -o %t && %t 2>&1 | %symbolize > %t.out
// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out
// RUN: %clangxx_asan -m64 -O3 %s -o %t && %t 2>&1 | %symbolize > %t.out
// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out
// RUN: %clangxx_asan -m32 -O0 %s -o %t && %t 2>&1 | %symbolize > %t.out
// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out
// RUN: %clangxx_asan -m32 -O1 %s -o %t && %t 2>&1 | %symbolize > %t.out
// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out
// RUN: %clangxx_asan -m32 -O2 %s -o %t && %t 2>&1 | %symbolize > %t.out
// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out
// RUN: %clangxx_asan -m32 -O3 %s -o %t && %t 2>&1 | %symbolize > %t.out
// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out
#include <string.h>
#include <stdlib.h>
int main(int argc, char **argv) {
char *hello = (char*)malloc(6);
strcpy(hello, "hello");
char *short_buffer = (char*)malloc(9);
strncpy(short_buffer, hello, 10); // BOOM
// CHECK: {{WRITE of size 1 at 0x.* thread T0}}
// CHECK-Linux: {{ #0 0x.* in .*strncpy}}
// CHECK-Darwin: {{ #0 0x.* in wrap_strncpy}}
// CHECK: {{ #1 0x.* in main .*strncpy-overflow.cc:24}}
// CHECK: {{0x.* is located 0 bytes to the right of 9-byte region}}
// CHECK: {{allocated by thread T0 here:}}
// CHECK-Linux: {{ #0 0x.* in .*malloc}}
// CHECK-Linux: {{ #1 0x.* in main .*strncpy-overflow.cc:23}}
// CHECK-Darwin: {{ #0 0x.* in .*mz_malloc.*}}
// CHECK-Darwin: {{ #1 0x.* in malloc_zone_malloc.*}}
// CHECK-Darwin: {{ #2 0x.* in malloc.*}}
// CHECK-Darwin: {{ #3 0x.* in main .*strncpy-overflow.cc:23}}
return short_buffer[8];
}