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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 11:08:49 -0800 |
| commit | 86edf5629edc161a5fbe6c5d9179f7fe8629c557 (patch) | |
| tree | b60c07ba9dbf0764cf20068d8c0155a2eaa0cf7b /fs/lockd | |
| parent | 18c1d28f359cd6c7b26ef9856a61427d63bedfcc (diff) | |
| download | linux-stable-86edf5629edc161a5fbe6c5d9179f7fe8629c557.tar.gz linux-stable-86edf5629edc161a5fbe6c5d9179f7fe8629c557.tar.bz2 linux-stable-86edf5629edc161a5fbe6c5d9179f7fe8629c557.zip | |
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>
Diffstat (limited to 'fs/lockd')
| -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 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")); |