diff options
Diffstat (limited to 'net/netfilter')
| -rw-r--r-- | net/netfilter/x_tables.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c index ae69e6e940bf..f2425d0cce17 100644 --- a/net/netfilter/x_tables.c +++ b/net/netfilter/x_tables.c @@ -552,6 +552,7 @@ void xt_compat_match_from_user(struct xt_entry_match *m, void **dstptr, struct compat_xt_entry_match *cm = (struct compat_xt_entry_match *)m; int pad, off = xt_compat_match_offset(match); u_int16_t msize = cm->u.user.match_size; + char name[sizeof(m->u.user.name)]; m = *dstptr; memcpy(m, cm, sizeof(*cm)); @@ -565,6 +566,9 @@ void xt_compat_match_from_user(struct xt_entry_match *m, void **dstptr, msize += off; m->u.user.match_size = msize; + strlcpy(name, match->name, sizeof(name)); + module_put(match->me); + strncpy(m->u.user.name, name, sizeof(m->u.user.name)); *size += off; *dstptr += msize; @@ -782,6 +786,7 @@ void xt_compat_target_from_user(struct xt_entry_target *t, void **dstptr, struct compat_xt_entry_target *ct = (struct compat_xt_entry_target *)t; int pad, off = xt_compat_target_offset(target); u_int16_t tsize = ct->u.user.target_size; + char name[sizeof(t->u.user.name)]; t = *dstptr; memcpy(t, ct, sizeof(*ct)); @@ -795,6 +800,9 @@ void xt_compat_target_from_user(struct xt_entry_target *t, void **dstptr, tsize += off; t->u.user.target_size = tsize; + strlcpy(name, target->name, sizeof(name)); + module_put(target->me); + strncpy(t->u.user.name, name, sizeof(t->u.user.name)); *size += off; *dstptr += tsize; |