[src/trunk]: src/tests/fs/vfs Add a test case which tries to fhopen() a file ...

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/434904beab36
branches:  trunk
changeset: 757147:434904beab36
user:      pooka <pooka%NetBSD.org@localhost>
date:      Mon Aug 16 10:47:16 2010 +0000

description:
Add a test case which tries to fhopen() a file handle filled with
random garbage.

diffstat:

 tests/fs/vfs/t_vfsops.c |  41 ++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 40 insertions(+), 1 deletions(-)

diffs (67 lines):

diff -r fe0f2f8194cf -r 434904beab36 tests/fs/vfs/t_vfsops.c
--- a/tests/fs/vfs/t_vfsops.c   Mon Aug 16 10:46:19 2010 +0000
+++ b/tests/fs/vfs/t_vfsops.c   Mon Aug 16 10:47:16 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: t_vfsops.c,v 1.6 2010/08/12 09:42:53 pooka Exp $       */
+/*     $NetBSD: t_vfsops.c,v 1.7 2010/08/16 10:47:16 pooka Exp $       */
 
 /*-
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -165,11 +165,49 @@
 }
 #undef FNAME
 
+/*
+ * This test only checks the file system doesn't crash.  We *might*
+ * try a valid file handle.
+ */
+static void
+tfhinval(const atf_tc_t *tc, const char *path)
+{
+       size_t fhsize;
+       void *fhp;
+       unsigned long seed;
+       int fd;
+
+       if (FSTYPE_TMPFS(tc))
+               atf_tc_skip("file handles broken (PR kern/43605)");
+
+       srandom(seed = time(NULL));
+       printf("RNG seed %lu\n", seed);
+
+       RL(rump_sys_chdir(path));
+       fhsize = 0;
+       if (rump_sys_getfh(".", NULL, &fhsize) == -1) {
+               if (errno == EOPNOTSUPP) {
+                       atf_tc_skip("file handles not supported");
+               } else if (errno != E2BIG) {
+                       atf_tc_fail_errno("getfh size");
+               }
+       }
+
+       fhp = malloc(fhsize);
+       tests_makegarbage(fhp, fhsize);
+       fd = rump_sys_fhopen(fhp, fhsize, O_RDWR);
+       if (fd != -1)
+               rump_sys_close(fd);
+
+       RL(rump_sys_chdir("/"));
+}
+
 ATF_TC_FSAPPLY(tmount, "mount/unmount");
 ATF_TC_FSAPPLY(tstatvfs, "statvfs");
 ATF_TC_FSAPPLY(tsync, "sync");
 ATF_TC_FSAPPLY(tfilehandle, "file handles");
 ATF_TC_FSAPPLY(tfhremove, "fhtovp for removed file");
+ATF_TC_FSAPPLY(tfhinval, "fhopen invalid filehandle");
 
 ATF_TP_ADD_TCS(tp)
 {
@@ -179,6 +217,7 @@
        ATF_TP_FSAPPLY(tsync);
        ATF_TP_FSAPPLY(tfilehandle);
        ATF_TP_FSAPPLY(tfhremove);
+       ATF_TP_FSAPPLY(tfhinval);
 
        return atf_no_error();
 }