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authorAmir Goldstein <amir73il@gmail.com>2018-09-28 20:41:48 +0300
committerJ. Bruce Fields <bfields@redhat.com>2018-10-29 16:58:04 -0400
commit93f38b6fae0ea8987e22d9e6c38f8dfdccd867ee (patch)
treea422a5a6985dfe2fe3ec75cd132eece3fd93616f /fs/lockd
parentnfsd: Fix an Oops in free_session() (diff)
downloadlinux-dev-93f38b6fae0ea8987e22d9e6c38f8dfdccd867ee.tar.xz
linux-dev-93f38b6fae0ea8987e22d9e6c38f8dfdccd867ee.zip
lockd: fix access beyond unterminated strings in prints
printk format used %*s instead of %.*s, so hostname_len does not limit the number of bytes accessed from hostname. Signed-off-by: Amir Goldstein <amir73il@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/lockd')
-rw-r--r--fs/lockd/host.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index d35cd6be0675..93fb7cf0b92b 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -341,7 +341,7 @@ struct nlm_host *nlmsvc_lookup_host(const struct svc_rqst *rqstp,
};
struct lockd_net *ln = net_generic(net, lockd_net_id);
- dprintk("lockd: %s(host='%*s', vers=%u, proto=%s)\n", __func__,
+ dprintk("lockd: %s(host='%.*s', vers=%u, proto=%s)\n", __func__,
(int)hostname_len, hostname, rqstp->rq_vers,
(rqstp->rq_prot == IPPROTO_UDP ? "udp" : "tcp"));