diff options
Diffstat (limited to 'test/sanitizer_common/TestCases/Posix/decorate_proc_maps.cc')
-rw-r--r-- | test/sanitizer_common/TestCases/Posix/decorate_proc_maps.cc | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/test/sanitizer_common/TestCases/Posix/decorate_proc_maps.cc b/test/sanitizer_common/TestCases/Posix/decorate_proc_maps.cc new file mode 100644 index 000000000000..622471767655 --- /dev/null +++ b/test/sanitizer_common/TestCases/Posix/decorate_proc_maps.cc @@ -0,0 +1,60 @@ +// RUN: %clangxx -g %s -o %t +// RUN: %tool_options=decorate_proc_maps=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%tool_name +#include <errno.h> +#include <fcntl.h> +#include <pthread.h> +#include <stdio.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <unistd.h> + +bool CopyFdToFd(int in_fd, int out_fd) { + const size_t kBufSize = 0x10000; + static char buf[kBufSize]; + while (true) { + ssize_t got = read(in_fd, buf, kBufSize); + if (got > 0) { + write(out_fd, buf, got); + } else if (got == 0) { + break; + } else if (errno != EAGAIN || errno != EWOULDBLOCK || errno != EINTR) { + fprintf(stderr, "error reading file, errno %d\n", errno); + return false; + } + } + return true; +} + +void *ThreadFn(void *arg) { + (void)arg; + int fd = open("/proc/self/maps", O_RDONLY); + bool res = CopyFdToFd(fd, 2); + close(fd); + return (void *)!res; +} + +int main(void) { + pthread_t t; + void *res; + pthread_create(&t, 0, ThreadFn, 0); + pthread_join(t, &res); + return (int)(size_t)res; +} + +// CHECK-asan: rw-p {{.*}} [low shadow] +// CHECK-asan: ---p {{.*}} [shadow gap] +// CHECK-asan: rw-p {{.*}} [high shadow] + +// CHECK-msan: ---p {{.*}} [invalid] +// CHECK-msan: rw-p {{.*}} [shadow] +// CHECK-msan: ---p {{.*}} [origin] + +// CHECK-tsan: rw-p {{.*}} [shadow] +// CHECK-tsan: rw-p {{.*}} [meta shadow] +// CHECK-tsan: rw-p {{.*}} [trace 0] +// CHECK-tsan: rw-p {{.*}} [trace header 0] +// CHECK-tsan: rw-p {{.*}} [trace 1] +// CHECK-tsan: rw-p {{.*}} [trace header 1] + +// Nothing interesting with standalone LSan. +// CHECK-lsan: decorate_proc_maps |