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authorngie <ngie@FreeBSD.org>2014-10-02 23:26:49 +0000
committerngie <ngie@FreeBSD.org>2014-10-02 23:26:49 +0000
commit3f09b8d0af642c2aeb96a4d667cefb7fe3bce443 (patch)
tree544932e2a2c5a5a202b752beefba0b3e327b3858 /contrib/netbsd-tests/net/bpf/t_div-by-zero.c
parentb941fec92da62b0eab650295f4e8a381dbbc04b4 (diff)
parente1f2d32c0e0678782c353c48364cddedfae58b0a (diff)
downloadFreeBSD-src-3f09b8d0af642c2aeb96a4d667cefb7fe3bce443.zip
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Import the NetBSD test suite from ^/vendor/NetBSD/tests/09.30.2014_20.45 ,
minus the vendor Makefiles Provide directions for how to bootstrap the vendor sources in FREEBSD-upgrade MFC after 2 weeks Discussed with: rpaulo Sponsored by: EMC / Isilon Storage Division
Diffstat (limited to 'contrib/netbsd-tests/net/bpf/t_div-by-zero.c')
-rw-r--r--contrib/netbsd-tests/net/bpf/t_div-by-zero.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/net/bpf/t_div-by-zero.c b/contrib/netbsd-tests/net/bpf/t_div-by-zero.c
new file mode 100644
index 0000000..542d08a
--- /dev/null
+++ b/contrib/netbsd-tests/net/bpf/t_div-by-zero.c
@@ -0,0 +1,52 @@
+#include <sys/types.h>
+#include <sys/ioctl.h>
+
+#include <net/bpf.h>
+
+#include <atf-c.h>
+#include <fcntl.h>
+
+#include <rump/rump.h>
+#include <rump/rump_syscalls.h>
+
+ATF_TC(div_by_zero);
+ATF_TC_HEAD(div_by_zero, tc)
+{
+
+ atf_tc_set_md_var(tc, "descr", "Check that BPF rejects a filter "
+ "which divides by 0");
+}
+
+ATF_TC_BODY(div_by_zero, tc)
+{
+ struct bpf_program bp;
+ int fd;
+
+ /*
+ * Source code for following program:
+ * link[0:4]/0 = 2
+ */
+ struct bpf_insn bins[] = {
+ { 0x20, 0, 0, 0x00000000 },
+ { 0x34, 0, 0, 0x00000000 },
+ { 0x15, 0, 1, 0x00000002 },
+ { 0x6, 0, 0, 0x00000060 },
+ { 0x6, 0, 0, 0x00000000 },
+ };
+
+ bp.bf_len = __arraycount(bins);
+ bp.bf_insns = bins;
+
+ rump_init();
+ fd = rump_sys_open("/dev/bpf", O_RDWR);
+ ATF_CHECK(fd != -1);
+ ATF_REQUIRE_EQ_MSG(rump_sys_ioctl(fd, BIOCSETF, &bp), -1,
+ "bpf accepted program with division by zero");
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+ ATF_TP_ADD_TC(tp, div_by_zero);
+ return atf_no_error();
+}
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