Commit b5f9bd15 authored Mar 26, 2019 by Herbert Xu Committed by David S. Miller Mar 27, 2019

ila: Fix rhashtable walker list corruption



ila_xlat_nl_cmd_flush uses rhashtable walkers allocated from the
stack but it never frees them.  This corrupts the walker list of
the hash table.

This patch fixes it.

Reported-by:  <syzbot+dae72a112334aa65a159@syzkaller.appspotmail.com>
Fixes: b6e71bde ("ila: Flush netlink command to clear xlat...")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 79706ced

net/ipv6/ila/ila_xlat.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -417,6 +417,7 @@ int ila_xlat_nl_cmd_flush(struct sk_buff skb, struct genl_info info)

		done:
		rhashtable_walk_stop(&iter);
		rhashtable_walk_exit(&iter);
		return ret;
		}