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Add a test case for PR kern/56460.

This commit is contained in:
thorpej 2021-10-20 14:33:14 +00:00
parent 908da68346
commit c1cb8abd48
1 changed files with 49 additions and 0 deletions
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49
tests/kernel/kqueue/t_vnode.c
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@ -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);