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bh=jMhiCYTulrCs3rMIemToNNTiMynHjt1hcbHGDIKvN+U=; b=b9gumycU8giDhtcXROkU3XGfAATPsemOoWuGw4fnUP8dowkFZHEdLdRY4CLlsSkn4L6fr5 gT51lAOoZMOx7W52dqqKcu+VAZ4YF2DeA2NK4WoAXfnzA9EluOV4vJbXsu8lvEsyvNr0tO 3ZqyHEm19VgnONx8U/RzrMbWYWbOxAk= X-MC-Unique: Q7nUXxa3OKy3j_9XhKaH7g-1 From: Jens Freimann To: dgilbert@redhat.com, stefanha@redhat.com, qemu-devel@nongnu.org Subject: [RFC 1/1] tools/virtiofsd: create temporary directory in /tmp Date: Thu, 1 Oct 2020 08:15:19 +0200 Message-Id: <20201001061519.636959-2-jfreimann@redhat.com> In-Reply-To: <20201001061519.636959-1-jfreimann@redhat.com> References: <20201001061519.636959-1-jfreimann@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jfreimann@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" mkdtemp() will try to create a current directory in the working directory of the process. In this case it's trying to create it in /. This is a problem when the process doesn't have write access there. This patch changes the template string and prepends "/tmp" which is typically writable. Signed-off-by: Jens Freimann --- tools/virtiofsd/passthrough_ll.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough= _ll.c index 0b229ebd57..f79bcce0d7 100644 --- a/tools/virtiofsd/passthrough_ll.c +++ b/tools/virtiofsd/passthrough_ll.c @@ -2393,7 +2393,7 @@ static void setup_wait_parent_capabilities(void) static void setup_namespaces(struct lo_data *lo, struct fuse_session *se) { pid_t child; - char template[] =3D "virtiofsd-XXXXXX"; + char template[] =3D "/tmp/virtiofsd-XXXXXX"; char *tmpdir; =20 /* --=20 2.26.2