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lib/linux_ns: check mkdir() return value

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Fail earlier if we can't create the dirs we need.
Reported by Coverity as CID #970969.
This commit is contained in:
Riccardo Magliocchetti
2013-01-28 18:28:58 +01:00
parent 65c513bec2
commit 9bfcec2999
1 changed files with 8 additions and 2 deletions
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lib/linux_ns.c
+8 -2
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@@ -132,10 +132,16 @@ void linux_namespace_jail() {
if (strcmp(uwsgi.ns, "/")) {
ns_tmp_mountpoint = uwsgi_concat2(uwsgi.ns, "/.uwsgi_ns_tmp_mountpoint");
mkdir(ns_tmp_mountpoint, S_IRWXU);
if (mkdir(ns_tmp_mountpoint, S_IRWXU) < 0) {
uwsgi_error("mkdir() ns_tmp_mountpoint");
exit(1);
}
ns_tmp_mountpoint2 = uwsgi_concat2(ns_tmp_mountpoint, "/.uwsgi_ns_tmp_mountpoint");
mkdir(ns_tmp_mountpoint2, S_IRWXU);
if (mkdir(ns_tmp_mountpoint2, S_IRWXU) < 0) {
uwsgi_error("mkdir() ns_tmp_mountpoint2");
exit(1);
}
if (mount(uwsgi.ns, ns_tmp_mountpoint, "none", MS_BIND, NULL)) {
uwsgi_error("mount()");