12d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// Check that memset() call from a shared library gets intercepted. 22d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// Please always keep this file in sync with 32d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// ../Linux/interception-in-shared-lib-test.cc. 42d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines 52d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// RUN: %clangxx_asan -O0 %s -DSHARED_LIB \ 62d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// RUN: -shared -o %T/libinterception-in-shared-lib-test.so \ 72d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// RUN: -fPIC 82d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// TODO(glider): figure out how to set rpath in a more portable way and unite 92d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// this test with ../Linux/interception-in-shared-lib-test.cc. 102d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// RUN: %clangxx_asan -O0 %s -o %t -Wl,-rpath,@executable-path -L%T -linterception-in-shared-lib-test && \ 112d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// RUN: not %run %t 2>&1 | FileCheck %s 122d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines 132d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#include <stdio.h> 142d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#include <string.h> 152d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines 162d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#if defined(SHARED_LIB) 172d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hinesextern "C" 182d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hinesvoid my_memset(void *p, size_t sz) { 192d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines memset(p, 0, sz); 202d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines} 212d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#else 222d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hinesextern "C" void my_memset(void *p, size_t sz); 232d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines 242d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hinesint main(int argc, char *argv[]) { 252d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines char buf[10]; 262d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines my_memset(buf, 11); 272d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines // CHECK: {{.*ERROR: AddressSanitizer: stack-buffer-overflow}} 282d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines // CHECK: {{WRITE of size 11 at 0x.* thread T0}} 292d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines // CHECK: {{0x.* in my_memset .*interception-in-shared-lib-test.cc:19}} 302d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines return 0; 312d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines} 322d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#endif 33