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authorthorpej <thorpej@NetBSD.org>2021-10-20 14:33:14 +0000
committerthorpej <thorpej@NetBSD.org>2021-10-20 14:33:14 +0000
commit23140e3632f7beb8152ccd6006339367c04c77d9 (patch)
treec38ee0b13615a1dbc944e34b9838b9c19021f612 /tests/kernel/kqueue
parentcf0f2222b9a12ff4f78ac802f3b81805c22ebeac (diff)
Add a test case for PR kern/56460.
Diffstat (limited to 'tests/kernel/kqueue')
-rw-r--r--tests/kernel/kqueue/t_vnode.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/tests/kernel/kqueue/t_vnode.c b/tests/kernel/kqueue/t_vnode.c
index b3a95cc8e93..33de4fc4c74 100644
--- a/tests/kernel/kqueue/t_vnode.c
+++ b/tests/kernel/kqueue/t_vnode.c
@@ -671,6 +671,53 @@ ATF_TC_CLEANUP(interest, tc)
(void)unlink(testfile);
}
+ATF_TC_WITH_CLEANUP(rename_over_self_hardlink);
+ATF_TC_HEAD(rename_over_self_hardlink, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "This test case tests "
+ "renaming a file over a hard-link to itself");
+}
+ATF_TC_BODY(rename_over_self_hardlink, tc)
+{
+ struct kevent event[2], *dir_ev, *file_ev;
+ int dir_fd, file_fd;
+
+ ATF_REQUIRE((kq = kqueue()) != -1);
+
+ ATF_REQUIRE((mkdir(dir_target, 0700)) == 0);
+ ATF_REQUIRE((dir_fd = open(dir_target, O_RDONLY)) != -1);
+
+ ATF_REQUIRE((file_fd = open(file_inside1, O_RDONLY | O_CREAT,
+ 0600)) != -1);
+ ATF_REQUIRE(link(file_inside1, file_inside2) == 0);
+
+ EV_SET(&event[0], dir_fd, EVFILT_VNODE, EV_ADD,
+ NOTE_WRITE | NOTE_EXTEND | NOTE_LINK, 0, NULL);
+ EV_SET(&event[1], file_fd, EVFILT_VNODE, EV_ADD,
+ NOTE_LINK | NOTE_DELETE, 0, NULL);
+ ATF_REQUIRE(kevent(kq, event, 2, NULL, 0, NULL) == 0);
+
+ ATF_REQUIRE(rename(file_inside1, file_inside2) == 0);
+
+ ATF_REQUIRE(kevent(kq, NULL, 0, event, 2, &ts) == 2);
+ ATF_REQUIRE(event[0].ident == (uintptr_t)dir_fd ||
+ event[0].ident == (uintptr_t)file_fd);
+ ATF_REQUIRE(event[1].ident == (uintptr_t)dir_fd ||
+ event[1].ident == (uintptr_t)file_fd);
+ if (event[0].ident == (uintptr_t)dir_fd) {
+ dir_ev = &event[0];
+ file_ev = &event[1];
+ } else {
+ dir_ev = &event[1];
+ file_ev = &event[0];
+ }
+ ATF_REQUIRE(dir_ev->fflags == NOTE_WRITE);
+ ATF_REQUIRE(file_ev->fflags == NOTE_LINK);
+}
+ATF_TC_CLEANUP(rename_over_self_hardlink, tc)
+{
+ cleanup();
+}
ATF_TP_ADD_TCS(tp)
{
@@ -699,6 +746,8 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, dir_note_write_mv_file_out);
ATF_TP_ADD_TC(tp, dir_note_write_mv_file_within);
+ ATF_TP_ADD_TC(tp, rename_over_self_hardlink);
+
ATF_TP_ADD_TC(tp, open_write_read_close);
ATF_TP_ADD_TC(tp, interest);