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| author | Amir Goldstein <amir73il@gmail.com> | 2018-09-28 20:41:48 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-13 22:17:02 +0300 |
| commit | 5c22b67bc29defe0a68f603f22456ee5c1024cbe (patch) | |
| tree | fcf5756fb51d18fd640d6df46132189adcf9034c | |
| parent | 5727dbcd2628f30b7063c89f6b1eb028e9fef540 (diff) | |
| download | linux-5c22b67bc29defe0a68f603f22456ee5c1024cbe.tar.xz | |
lockd: fix access beyond unterminated strings in prints
commit 93f38b6fae0ea8987e22d9e6c38f8dfdccd867ee upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/lockd/host.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/lockd/host.c b/fs/lockd/host.c index d716c9993a26..c7eb47f2fb6c 100644 --- a/fs/lockd/host.c +++ b/fs/lockd/host.c @@ -340,7 +340,7 @@ 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")); |