diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2020-10-02 09:46:04 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-10-02 22:00:38 +0200 |
| commit | a95bc734e60449e7b073ff7ff70c35083b290ae9 (patch) | |
| tree | b07e2f039e791ab243a7f65f7c4758b339ee80b2 /include | |
| parent | r8169: fix data corruption issue on RTL8402 (diff) | |
| download | linux-a95bc734e60449e7b073ff7ff70c35083b290ae9.tar.xz linux-a95bc734e60449e7b073ff7ff70c35083b290ae9.zip | |
netlink: fix policy dump leak
If userspace doesn't complete the policy dump, we leak the
allocated state. Fix this.
Fixes: d07dcf9aadd6 ("netlink: add infrastructure to expose policies to userspace")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/netlink.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/net/netlink.h b/include/net/netlink.h index 8e0eb2c9c528..271620f6bc7f 100644 --- a/include/net/netlink.h +++ b/include/net/netlink.h @@ -1934,7 +1934,8 @@ void nla_get_range_signed(const struct nla_policy *pt, int netlink_policy_dump_start(const struct nla_policy *policy, unsigned int maxtype, unsigned long *state); -bool netlink_policy_dump_loop(unsigned long *state); +bool netlink_policy_dump_loop(unsigned long state); int netlink_policy_dump_write(struct sk_buff *skb, unsigned long state); +void netlink_policy_dump_free(unsigned long state); #endif |