aboutsummaryrefslogtreecommitdiff
path: root/lib/libc/tests/secure/fortify_uio_test.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/libc/tests/secure/fortify_uio_test.c')
-rw-r--r--lib/libc/tests/secure/fortify_uio_test.c917
1 files changed, 917 insertions, 0 deletions
diff --git a/lib/libc/tests/secure/fortify_uio_test.c b/lib/libc/tests/secure/fortify_uio_test.c
new file mode 100644
index 000000000000..46b46ed2f7df
--- /dev/null
+++ b/lib/libc/tests/secure/fortify_uio_test.c
@@ -0,0 +1,917 @@
+/* @generated by `generate-fortify-tests.lua "uio"` */
+
+#define _FORTIFY_SOURCE 2
+#define TMPFILE_SIZE (1024 * 32)
+
+#include <sys/param.h>
+#include <sys/jail.h>
+#include <sys/random.h>
+#include <sys/resource.h>
+#include <sys/select.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <sys/uio.h>
+#include <sys/wait.h>
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <poll.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <sysexits.h>
+#include <unistd.h>
+#include <wchar.h>
+#include <atf-c.h>
+
+static FILE * __unused
+new_fp(size_t __len)
+{
+ static char fpbuf[LINE_MAX];
+ FILE *fp;
+
+ ATF_REQUIRE(__len <= sizeof(fpbuf));
+
+ memset(fpbuf, 'A', sizeof(fpbuf) - 1);
+ fpbuf[sizeof(fpbuf) - 1] = '\0';
+
+ fp = fmemopen(fpbuf, sizeof(fpbuf), "rb");
+ ATF_REQUIRE(fp != NULL);
+
+ return (fp);
+}
+
+/*
+ * Create a new symlink to use for readlink(2) style tests, we'll just use a
+ * random target name to have something interesting to look at.
+ */
+static const char * __unused
+new_symlink(size_t __len)
+{
+ static const char linkname[] = "link";
+ char target[MAXNAMLEN];
+ int error;
+
+ ATF_REQUIRE(__len <= sizeof(target));
+
+ arc4random_buf(target, sizeof(target));
+
+ error = unlink(linkname);
+ ATF_REQUIRE(error == 0 || errno == ENOENT);
+
+ error = symlink(target, linkname);
+ ATF_REQUIRE(error == 0);
+
+ return (linkname);
+}
+
+/*
+ * For our purposes, first descriptor will be the reader; we'll send both
+ * raw data and a control message over it so that the result can be used for
+ * any of our recv*() tests.
+ */
+static void __unused
+new_socket(int sock[2])
+{
+ unsigned char ctrl[CMSG_SPACE(sizeof(int))] = { 0 };
+ static char sockbuf[256];
+ ssize_t rv;
+ size_t total = 0;
+ struct msghdr hdr = { 0 };
+ struct cmsghdr *cmsg;
+ int error, fd;
+
+ error = socketpair(AF_UNIX, SOCK_STREAM, 0, sock);
+ ATF_REQUIRE(error == 0);
+
+ while (total != sizeof(sockbuf)) {
+ rv = send(sock[1], &sockbuf[total], sizeof(sockbuf) - total, 0);
+
+ ATF_REQUIRE_MSG(rv > 0,
+ "expected bytes sent, got %zd with %zu left (size %zu, total %zu)",
+ rv, sizeof(sockbuf) - total, sizeof(sockbuf), total);
+ ATF_REQUIRE_MSG(total + (size_t)rv <= sizeof(sockbuf),
+ "%zd exceeds total %zu", rv, sizeof(sockbuf));
+ total += rv;
+ }
+
+ hdr.msg_control = ctrl;
+ hdr.msg_controllen = sizeof(ctrl);
+
+ cmsg = CMSG_FIRSTHDR(&hdr);
+ cmsg->cmsg_level = SOL_SOCKET;
+ cmsg->cmsg_type = SCM_RIGHTS;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(fd));
+ fd = STDIN_FILENO;
+ memcpy(CMSG_DATA(cmsg), &fd, sizeof(fd));
+
+ error = sendmsg(sock[1], &hdr, 0);
+ ATF_REQUIRE(error != -1);
+}
+
+/*
+ * Constructs a tmpfile that we can use for testing read(2) and friends.
+ */
+static int __unused
+new_tmpfile(void)
+{
+ char buf[1024];
+ ssize_t rv;
+ size_t written;
+ int fd;
+
+ fd = open("tmpfile", O_RDWR | O_CREAT | O_TRUNC, 0644);
+ ATF_REQUIRE(fd >= 0);
+
+ written = 0;
+ while (written < TMPFILE_SIZE) {
+ rv = write(fd, buf, sizeof(buf));
+ ATF_REQUIRE(rv > 0);
+
+ written += rv;
+ }
+
+ ATF_REQUIRE_EQ(0, lseek(fd, 0, SEEK_SET));
+ return (fd);
+}
+
+static void
+disable_coredumps(void)
+{
+ struct rlimit rl = { 0 };
+
+ if (setrlimit(RLIMIT_CORE, &rl) == -1)
+ _exit(EX_OSERR);
+}
+
+/*
+ * Replaces stdin with a file that we can actually read from, for tests where
+ * we want a FILE * or fd that we can get data from.
+ */
+static void __unused
+replace_stdin(void)
+{
+ int fd;
+
+ fd = new_tmpfile();
+
+ (void)dup2(fd, STDIN_FILENO);
+ if (fd != STDIN_FILENO)
+ close(fd);
+}
+
+ATF_TC(readv_before_end);
+ATF_TC_HEAD(readv_before_end, tc)
+{
+}
+ATF_TC_BODY(readv_before_end, tc)
+{
+#define BUF &__stack.__buf
+ struct {
+ uint8_t padding_l;
+ struct iovec __buf[2];
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(__stack.__buf);
+ const size_t __len = 2 - 1;
+ const size_t __idx __unused = __len - 1;
+
+ readv(STDIN_FILENO, __stack.__buf, __len);
+#undef BUF
+
+}
+
+ATF_TC(readv_end);
+ATF_TC_HEAD(readv_end, tc)
+{
+}
+ATF_TC_BODY(readv_end, tc)
+{
+#define BUF &__stack.__buf
+ struct {
+ uint8_t padding_l;
+ struct iovec __buf[2];
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(__stack.__buf);
+ const size_t __len = 2;
+ const size_t __idx __unused = __len - 1;
+
+ readv(STDIN_FILENO, __stack.__buf, __len);
+#undef BUF
+
+}
+
+ATF_TC(readv_after_end);
+ATF_TC_HEAD(readv_after_end, tc)
+{
+}
+ATF_TC_BODY(readv_after_end, tc)
+{
+#define BUF &__stack.__buf
+ struct {
+ uint8_t padding_l;
+ struct iovec __buf[2];
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(__stack.__buf);
+ const size_t __len = 2 + 1;
+ const size_t __idx __unused = __len - 1;
+ pid_t __child;
+ int __status;
+
+ __child = fork();
+ ATF_REQUIRE(__child >= 0);
+ if (__child > 0)
+ goto monitor;
+
+ /* Child */
+ disable_coredumps();
+ readv(STDIN_FILENO, __stack.__buf, __len);
+ _exit(EX_SOFTWARE); /* Should have aborted. */
+
+monitor:
+ while (waitpid(__child, &__status, 0) != __child) {
+ ATF_REQUIRE_EQ(EINTR, errno);
+ }
+
+ if (!WIFSIGNALED(__status)) {
+ switch (WEXITSTATUS(__status)) {
+ case EX_SOFTWARE:
+ atf_tc_fail("FORTIFY_SOURCE failed to abort");
+ break;
+ case EX_OSERR:
+ atf_tc_fail("setrlimit(2) failed");
+ break;
+ default:
+ atf_tc_fail("child exited with status %d",
+ WEXITSTATUS(__status));
+ }
+ } else {
+ ATF_REQUIRE_EQ(SIGABRT, WTERMSIG(__status));
+ }
+#undef BUF
+
+}
+
+ATF_TC(readv_heap_before_end);
+ATF_TC_HEAD(readv_heap_before_end, tc)
+{
+}
+ATF_TC_BODY(readv_heap_before_end, tc)
+{
+#define BUF __stack.__buf
+ struct {
+ uint8_t padding_l;
+ struct iovec * __buf;
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(*__stack.__buf) * (2);
+ const size_t __len = 2 - 1;
+ const size_t __idx __unused = __len - 1;
+
+ __stack.__buf = malloc(__bufsz);
+
+ readv(STDIN_FILENO, __stack.__buf, __len);
+#undef BUF
+
+}
+
+ATF_TC(readv_heap_end);
+ATF_TC_HEAD(readv_heap_end, tc)
+{
+}
+ATF_TC_BODY(readv_heap_end, tc)
+{
+#define BUF __stack.__buf
+ struct {
+ uint8_t padding_l;
+ struct iovec * __buf;
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(*__stack.__buf) * (2);
+ const size_t __len = 2;
+ const size_t __idx __unused = __len - 1;
+
+ __stack.__buf = malloc(__bufsz);
+
+ readv(STDIN_FILENO, __stack.__buf, __len);
+#undef BUF
+
+}
+
+ATF_TC(readv_heap_after_end);
+ATF_TC_HEAD(readv_heap_after_end, tc)
+{
+}
+ATF_TC_BODY(readv_heap_after_end, tc)
+{
+#define BUF __stack.__buf
+ struct {
+ uint8_t padding_l;
+ struct iovec * __buf;
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(*__stack.__buf) * (2);
+ const size_t __len = 2 + 1;
+ const size_t __idx __unused = __len - 1;
+ pid_t __child;
+ int __status;
+
+ __child = fork();
+ ATF_REQUIRE(__child >= 0);
+ if (__child > 0)
+ goto monitor;
+
+ /* Child */
+ disable_coredumps();
+ __stack.__buf = malloc(__bufsz);
+
+ readv(STDIN_FILENO, __stack.__buf, __len);
+ _exit(EX_SOFTWARE); /* Should have aborted. */
+
+monitor:
+ while (waitpid(__child, &__status, 0) != __child) {
+ ATF_REQUIRE_EQ(EINTR, errno);
+ }
+
+ if (!WIFSIGNALED(__status)) {
+ switch (WEXITSTATUS(__status)) {
+ case EX_SOFTWARE:
+ atf_tc_fail("FORTIFY_SOURCE failed to abort");
+ break;
+ case EX_OSERR:
+ atf_tc_fail("setrlimit(2) failed");
+ break;
+ default:
+ atf_tc_fail("child exited with status %d",
+ WEXITSTATUS(__status));
+ }
+ } else {
+ ATF_REQUIRE_EQ(SIGABRT, WTERMSIG(__status));
+ }
+#undef BUF
+
+}
+
+ATF_TC(readv_iov_before_end);
+ATF_TC_HEAD(readv_iov_before_end, tc)
+{
+}
+ATF_TC_BODY(readv_iov_before_end, tc)
+{
+#define BUF &__stack.__buf
+ struct {
+ uint8_t padding_l;
+ unsigned char __buf[42];
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(__stack.__buf);
+ const size_t __len = 42 - 1;
+ const size_t __idx __unused = __len - 1;
+ struct iovec iov[1];
+
+ iov[0].iov_base = __stack.__buf;
+ iov[0].iov_len = __len;
+
+ replace_stdin();
+
+ readv(STDIN_FILENO, iov, nitems(iov));
+#undef BUF
+
+}
+
+ATF_TC(readv_iov_end);
+ATF_TC_HEAD(readv_iov_end, tc)
+{
+}
+ATF_TC_BODY(readv_iov_end, tc)
+{
+#define BUF &__stack.__buf
+ struct {
+ uint8_t padding_l;
+ unsigned char __buf[42];
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(__stack.__buf);
+ const size_t __len = 42;
+ const size_t __idx __unused = __len - 1;
+ struct iovec iov[1];
+
+ iov[0].iov_base = __stack.__buf;
+ iov[0].iov_len = __len;
+
+ replace_stdin();
+
+ readv(STDIN_FILENO, iov, nitems(iov));
+#undef BUF
+
+}
+
+ATF_TC(readv_iov_heap_before_end);
+ATF_TC_HEAD(readv_iov_heap_before_end, tc)
+{
+}
+ATF_TC_BODY(readv_iov_heap_before_end, tc)
+{
+#define BUF __stack.__buf
+ struct {
+ uint8_t padding_l;
+ unsigned char * __buf;
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42);
+ const size_t __len = 42 - 1;
+ const size_t __idx __unused = __len - 1;
+ struct iovec iov[1];
+
+ __stack.__buf = malloc(__bufsz);
+ iov[0].iov_base = __stack.__buf;
+ iov[0].iov_len = __len;
+
+ replace_stdin();
+
+ readv(STDIN_FILENO, iov, nitems(iov));
+#undef BUF
+
+}
+
+ATF_TC(readv_iov_heap_end);
+ATF_TC_HEAD(readv_iov_heap_end, tc)
+{
+}
+ATF_TC_BODY(readv_iov_heap_end, tc)
+{
+#define BUF __stack.__buf
+ struct {
+ uint8_t padding_l;
+ unsigned char * __buf;
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42);
+ const size_t __len = 42;
+ const size_t __idx __unused = __len - 1;
+ struct iovec iov[1];
+
+ __stack.__buf = malloc(__bufsz);
+ iov[0].iov_base = __stack.__buf;
+ iov[0].iov_len = __len;
+
+ replace_stdin();
+
+ readv(STDIN_FILENO, iov, nitems(iov));
+#undef BUF
+
+}
+
+ATF_TC(readv_iov_heap_after_end);
+ATF_TC_HEAD(readv_iov_heap_after_end, tc)
+{
+}
+ATF_TC_BODY(readv_iov_heap_after_end, tc)
+{
+#define BUF __stack.__buf
+ struct {
+ uint8_t padding_l;
+ unsigned char * __buf;
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42);
+ const size_t __len = 42 + 1;
+ const size_t __idx __unused = __len - 1;
+ pid_t __child;
+ int __status;
+ struct iovec iov[1];
+
+ __child = fork();
+ ATF_REQUIRE(__child >= 0);
+ if (__child > 0)
+ goto monitor;
+
+ /* Child */
+ disable_coredumps();
+ __stack.__buf = malloc(__bufsz);
+ iov[0].iov_base = __stack.__buf;
+ iov[0].iov_len = __len;
+
+ replace_stdin();
+
+ readv(STDIN_FILENO, iov, nitems(iov));
+ _exit(EX_SOFTWARE); /* Should have aborted. */
+
+monitor:
+ while (waitpid(__child, &__status, 0) != __child) {
+ ATF_REQUIRE_EQ(EINTR, errno);
+ }
+
+ if (!WIFSIGNALED(__status)) {
+ switch (WEXITSTATUS(__status)) {
+ case EX_SOFTWARE:
+ atf_tc_fail("FORTIFY_SOURCE failed to abort");
+ break;
+ case EX_OSERR:
+ atf_tc_fail("setrlimit(2) failed");
+ break;
+ default:
+ atf_tc_fail("child exited with status %d",
+ WEXITSTATUS(__status));
+ }
+ } else {
+ ATF_REQUIRE_EQ(SIGABRT, WTERMSIG(__status));
+ }
+#undef BUF
+
+}
+
+ATF_TC(preadv_before_end);
+ATF_TC_HEAD(preadv_before_end, tc)
+{
+}
+ATF_TC_BODY(preadv_before_end, tc)
+{
+#define BUF &__stack.__buf
+ struct {
+ uint8_t padding_l;
+ struct iovec __buf[2];
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(__stack.__buf);
+ const size_t __len = 2 - 1;
+ const size_t __idx __unused = __len - 1;
+
+ preadv(STDIN_FILENO, __stack.__buf, __len, 0);
+#undef BUF
+
+}
+
+ATF_TC(preadv_end);
+ATF_TC_HEAD(preadv_end, tc)
+{
+}
+ATF_TC_BODY(preadv_end, tc)
+{
+#define BUF &__stack.__buf
+ struct {
+ uint8_t padding_l;
+ struct iovec __buf[2];
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(__stack.__buf);
+ const size_t __len = 2;
+ const size_t __idx __unused = __len - 1;
+
+ preadv(STDIN_FILENO, __stack.__buf, __len, 0);
+#undef BUF
+
+}
+
+ATF_TC(preadv_after_end);
+ATF_TC_HEAD(preadv_after_end, tc)
+{
+}
+ATF_TC_BODY(preadv_after_end, tc)
+{
+#define BUF &__stack.__buf
+ struct {
+ uint8_t padding_l;
+ struct iovec __buf[2];
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(__stack.__buf);
+ const size_t __len = 2 + 1;
+ const size_t __idx __unused = __len - 1;
+ pid_t __child;
+ int __status;
+
+ __child = fork();
+ ATF_REQUIRE(__child >= 0);
+ if (__child > 0)
+ goto monitor;
+
+ /* Child */
+ disable_coredumps();
+ preadv(STDIN_FILENO, __stack.__buf, __len, 0);
+ _exit(EX_SOFTWARE); /* Should have aborted. */
+
+monitor:
+ while (waitpid(__child, &__status, 0) != __child) {
+ ATF_REQUIRE_EQ(EINTR, errno);
+ }
+
+ if (!WIFSIGNALED(__status)) {
+ switch (WEXITSTATUS(__status)) {
+ case EX_SOFTWARE:
+ atf_tc_fail("FORTIFY_SOURCE failed to abort");
+ break;
+ case EX_OSERR:
+ atf_tc_fail("setrlimit(2) failed");
+ break;
+ default:
+ atf_tc_fail("child exited with status %d",
+ WEXITSTATUS(__status));
+ }
+ } else {
+ ATF_REQUIRE_EQ(SIGABRT, WTERMSIG(__status));
+ }
+#undef BUF
+
+}
+
+ATF_TC(preadv_heap_before_end);
+ATF_TC_HEAD(preadv_heap_before_end, tc)
+{
+}
+ATF_TC_BODY(preadv_heap_before_end, tc)
+{
+#define BUF __stack.__buf
+ struct {
+ uint8_t padding_l;
+ struct iovec * __buf;
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(*__stack.__buf) * (2);
+ const size_t __len = 2 - 1;
+ const size_t __idx __unused = __len - 1;
+
+ __stack.__buf = malloc(__bufsz);
+
+ preadv(STDIN_FILENO, __stack.__buf, __len, 0);
+#undef BUF
+
+}
+
+ATF_TC(preadv_heap_end);
+ATF_TC_HEAD(preadv_heap_end, tc)
+{
+}
+ATF_TC_BODY(preadv_heap_end, tc)
+{
+#define BUF __stack.__buf
+ struct {
+ uint8_t padding_l;
+ struct iovec * __buf;
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(*__stack.__buf) * (2);
+ const size_t __len = 2;
+ const size_t __idx __unused = __len - 1;
+
+ __stack.__buf = malloc(__bufsz);
+
+ preadv(STDIN_FILENO, __stack.__buf, __len, 0);
+#undef BUF
+
+}
+
+ATF_TC(preadv_heap_after_end);
+ATF_TC_HEAD(preadv_heap_after_end, tc)
+{
+}
+ATF_TC_BODY(preadv_heap_after_end, tc)
+{
+#define BUF __stack.__buf
+ struct {
+ uint8_t padding_l;
+ struct iovec * __buf;
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(*__stack.__buf) * (2);
+ const size_t __len = 2 + 1;
+ const size_t __idx __unused = __len - 1;
+ pid_t __child;
+ int __status;
+
+ __child = fork();
+ ATF_REQUIRE(__child >= 0);
+ if (__child > 0)
+ goto monitor;
+
+ /* Child */
+ disable_coredumps();
+ __stack.__buf = malloc(__bufsz);
+
+ preadv(STDIN_FILENO, __stack.__buf, __len, 0);
+ _exit(EX_SOFTWARE); /* Should have aborted. */
+
+monitor:
+ while (waitpid(__child, &__status, 0) != __child) {
+ ATF_REQUIRE_EQ(EINTR, errno);
+ }
+
+ if (!WIFSIGNALED(__status)) {
+ switch (WEXITSTATUS(__status)) {
+ case EX_SOFTWARE:
+ atf_tc_fail("FORTIFY_SOURCE failed to abort");
+ break;
+ case EX_OSERR:
+ atf_tc_fail("setrlimit(2) failed");
+ break;
+ default:
+ atf_tc_fail("child exited with status %d",
+ WEXITSTATUS(__status));
+ }
+ } else {
+ ATF_REQUIRE_EQ(SIGABRT, WTERMSIG(__status));
+ }
+#undef BUF
+
+}
+
+ATF_TC(preadv_iov_before_end);
+ATF_TC_HEAD(preadv_iov_before_end, tc)
+{
+}
+ATF_TC_BODY(preadv_iov_before_end, tc)
+{
+#define BUF &__stack.__buf
+ struct {
+ uint8_t padding_l;
+ unsigned char __buf[42];
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(__stack.__buf);
+ const size_t __len = 42 - 1;
+ const size_t __idx __unused = __len - 1;
+ struct iovec iov[1];
+
+ iov[0].iov_base = __stack.__buf;
+ iov[0].iov_len = __len;
+
+ replace_stdin();
+
+ preadv(STDIN_FILENO, iov, nitems(iov), 0);
+#undef BUF
+
+}
+
+ATF_TC(preadv_iov_end);
+ATF_TC_HEAD(preadv_iov_end, tc)
+{
+}
+ATF_TC_BODY(preadv_iov_end, tc)
+{
+#define BUF &__stack.__buf
+ struct {
+ uint8_t padding_l;
+ unsigned char __buf[42];
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(__stack.__buf);
+ const size_t __len = 42;
+ const size_t __idx __unused = __len - 1;
+ struct iovec iov[1];
+
+ iov[0].iov_base = __stack.__buf;
+ iov[0].iov_len = __len;
+
+ replace_stdin();
+
+ preadv(STDIN_FILENO, iov, nitems(iov), 0);
+#undef BUF
+
+}
+
+ATF_TC(preadv_iov_heap_before_end);
+ATF_TC_HEAD(preadv_iov_heap_before_end, tc)
+{
+}
+ATF_TC_BODY(preadv_iov_heap_before_end, tc)
+{
+#define BUF __stack.__buf
+ struct {
+ uint8_t padding_l;
+ unsigned char * __buf;
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42);
+ const size_t __len = 42 - 1;
+ const size_t __idx __unused = __len - 1;
+ struct iovec iov[1];
+
+ __stack.__buf = malloc(__bufsz);
+ iov[0].iov_base = __stack.__buf;
+ iov[0].iov_len = __len;
+
+ replace_stdin();
+
+ preadv(STDIN_FILENO, iov, nitems(iov), 0);
+#undef BUF
+
+}
+
+ATF_TC(preadv_iov_heap_end);
+ATF_TC_HEAD(preadv_iov_heap_end, tc)
+{
+}
+ATF_TC_BODY(preadv_iov_heap_end, tc)
+{
+#define BUF __stack.__buf
+ struct {
+ uint8_t padding_l;
+ unsigned char * __buf;
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42);
+ const size_t __len = 42;
+ const size_t __idx __unused = __len - 1;
+ struct iovec iov[1];
+
+ __stack.__buf = malloc(__bufsz);
+ iov[0].iov_base = __stack.__buf;
+ iov[0].iov_len = __len;
+
+ replace_stdin();
+
+ preadv(STDIN_FILENO, iov, nitems(iov), 0);
+#undef BUF
+
+}
+
+ATF_TC(preadv_iov_heap_after_end);
+ATF_TC_HEAD(preadv_iov_heap_after_end, tc)
+{
+}
+ATF_TC_BODY(preadv_iov_heap_after_end, tc)
+{
+#define BUF __stack.__buf
+ struct {
+ uint8_t padding_l;
+ unsigned char * __buf;
+ uint8_t padding_r;
+ } __stack;
+ const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42);
+ const size_t __len = 42 + 1;
+ const size_t __idx __unused = __len - 1;
+ pid_t __child;
+ int __status;
+ struct iovec iov[1];
+
+ __child = fork();
+ ATF_REQUIRE(__child >= 0);
+ if (__child > 0)
+ goto monitor;
+
+ /* Child */
+ disable_coredumps();
+ __stack.__buf = malloc(__bufsz);
+ iov[0].iov_base = __stack.__buf;
+ iov[0].iov_len = __len;
+
+ replace_stdin();
+
+ preadv(STDIN_FILENO, iov, nitems(iov), 0);
+ _exit(EX_SOFTWARE); /* Should have aborted. */
+
+monitor:
+ while (waitpid(__child, &__status, 0) != __child) {
+ ATF_REQUIRE_EQ(EINTR, errno);
+ }
+
+ if (!WIFSIGNALED(__status)) {
+ switch (WEXITSTATUS(__status)) {
+ case EX_SOFTWARE:
+ atf_tc_fail("FORTIFY_SOURCE failed to abort");
+ break;
+ case EX_OSERR:
+ atf_tc_fail("setrlimit(2) failed");
+ break;
+ default:
+ atf_tc_fail("child exited with status %d",
+ WEXITSTATUS(__status));
+ }
+ } else {
+ ATF_REQUIRE_EQ(SIGABRT, WTERMSIG(__status));
+ }
+#undef BUF
+
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+ ATF_TP_ADD_TC(tp, readv_before_end);
+ ATF_TP_ADD_TC(tp, readv_end);
+ ATF_TP_ADD_TC(tp, readv_after_end);
+ ATF_TP_ADD_TC(tp, readv_heap_before_end);
+ ATF_TP_ADD_TC(tp, readv_heap_end);
+ ATF_TP_ADD_TC(tp, readv_heap_after_end);
+ ATF_TP_ADD_TC(tp, readv_iov_before_end);
+ ATF_TP_ADD_TC(tp, readv_iov_end);
+ ATF_TP_ADD_TC(tp, readv_iov_heap_before_end);
+ ATF_TP_ADD_TC(tp, readv_iov_heap_end);
+ ATF_TP_ADD_TC(tp, readv_iov_heap_after_end);
+ ATF_TP_ADD_TC(tp, preadv_before_end);
+ ATF_TP_ADD_TC(tp, preadv_end);
+ ATF_TP_ADD_TC(tp, preadv_after_end);
+ ATF_TP_ADD_TC(tp, preadv_heap_before_end);
+ ATF_TP_ADD_TC(tp, preadv_heap_end);
+ ATF_TP_ADD_TC(tp, preadv_heap_after_end);
+ ATF_TP_ADD_TC(tp, preadv_iov_before_end);
+ ATF_TP_ADD_TC(tp, preadv_iov_end);
+ ATF_TP_ADD_TC(tp, preadv_iov_heap_before_end);
+ ATF_TP_ADD_TC(tp, preadv_iov_heap_end);
+ ATF_TP_ADD_TC(tp, preadv_iov_heap_after_end);
+ return (atf_no_error());
+}