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Rmdir the dir you're in and its parent and try to cd ..

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Fails on tmpfs (crash), puffs (cd .. succeeds) and rumpfs (cd .. succeeds).

another testcase derived from the bugfinding genious of Taylor R Campbell
This commit is contained in:
pooka 2011-03-01 15:04:47 +00:00
parent acd79fcecf
commit 878d41e6e9
1 changed files with 31 additions and 1 deletions
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32
tests/fs/vfs/t_vnops.c
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@ -1,4 +1,4 @@
/* $NetBSD: t_vnops.c,v 1.17 2011/03/01 14:27:32 pooka Exp $ */
/* $NetBSD: t_vnops.c,v 1.18 2011/03/01 15:04:47 pooka Exp $ */
/*-
* Copyright (c) 2010 The NetBSD Foundation, Inc.
@ -151,6 +151,34 @@ dir_notempty(const atf_tc_t *tc, const char *mountpath)
atf_tc_fail_errno("remove directory");
}
static void
dir_rmdirdotdot(const atf_tc_t *tc, const char *mp)
{
char pb[MAXPATHLEN];
int xerrno;
USES_DIRS;
FSTEST_ENTER();
RL(rump_sys_mkdir("test", 0777));
RL(rump_sys_chdir("test"));
RL(rump_sys_mkdir("subtest", 0777));
RL(rump_sys_chdir("subtest"));
md(pb, mp, "test/subtest");
RL(rump_sys_rmdir(pb));
md(pb, mp, "test");
RL(rump_sys_rmdir(pb));
if (FSTYPE_NFS(tc))
xerrno = ESTALE;
else
xerrno = ENOENT;
ATF_REQUIRE_ERRNO(xerrno, rump_sys_chdir("..") == -1);
FSTEST_EXIT();
}
static void
checkfile(const char *path, struct stat *refp)
{
@ -749,6 +777,7 @@ ATF_TC_FSAPPLY(lookup_simple, "simple lookup (./.. on root)");
ATF_TC_FSAPPLY(lookup_complex, "lookup of non-dot entries");
ATF_TC_FSAPPLY(dir_simple, "mkdir/rmdir");
ATF_TC_FSAPPLY(dir_notempty, "non-empty directories cannot be removed");
ATF_TC_FSAPPLY(dir_rmdirdotdot, "remove .. and try to cd out");
ATF_TC_FSAPPLY(rename_dir, "exercise various directory renaming ops");
ATF_TC_FSAPPLY(rename_dotdot, "rename dir ..");
ATF_TC_FSAPPLY(rename_reg_nodir, "rename regular files, no subdirectories");
@ -768,6 +797,7 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_FSAPPLY(lookup_complex);
ATF_TP_FSAPPLY(dir_simple);
ATF_TP_FSAPPLY(dir_notempty);
ATF_TP_FSAPPLY(dir_rmdirdotdot);
ATF_TP_FSAPPLY(rename_dir);
ATF_TP_FSAPPLY(rename_dotdot);
ATF_TP_FSAPPLY(rename_reg_nodir);