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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-06-12 16:38:35 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-06-12 16:38:35 -0700 |
| commit | 5aff29efbec020f0997e5cdbefce0ff383518986 (patch) | |
| tree | 8b7df95c23b3cd2cfa17873ff0fa999dd5ae35bd /net/netfilter/x_tables.c | |
| parent | 9bd034225300c7ddf14f4b4c28531efc7a5e1524 (diff) | |
| parent | 3ef8a2eeb6dcd1fa61ec8ae107976e655f50e412 (diff) | |
Merge branch 'ib/4.17-xen-kbdfront-runtime-config' into next
Bring in xen-kbdfront changes.
Diffstat (limited to 'net/netfilter/x_tables.c')
| -rw-r--r-- | net/netfilter/x_tables.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c index 71325fef647d..cb7cb300c3bc 100644 --- a/net/netfilter/x_tables.c +++ b/net/netfilter/x_tables.c @@ -183,6 +183,9 @@ struct xt_match *xt_find_match(u8 af, const char *name, u8 revision) struct xt_match *m; int err = -ENOENT; + if (strnlen(name, XT_EXTENSION_MAXNAMELEN) == XT_EXTENSION_MAXNAMELEN) + return ERR_PTR(-EINVAL); + mutex_lock(&xt[af].mutex); list_for_each_entry(m, &xt[af].match, list) { if (strcmp(m->name, name) == 0) { @@ -229,6 +232,9 @@ struct xt_target *xt_find_target(u8 af, const char *name, u8 revision) struct xt_target *t; int err = -ENOENT; + if (strnlen(name, XT_EXTENSION_MAXNAMELEN) == XT_EXTENSION_MAXNAMELEN) + return ERR_PTR(-EINVAL); + mutex_lock(&xt[af].mutex); list_for_each_entry(t, &xt[af].target, list) { if (strcmp(t->name, name) == 0) { |