This is a note to let you know that I've just added the patch titled net: release reference to inet6_dev pointer to the 6.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: net-release-reference-to-inet6_dev-pointer.patch and it can be found in the queue-6.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 5cb249686e67dbef3ffe53887fa725eefc5a7144 Mon Sep 17 00:00:00 2001 From: Patrick Rohr <prohr@xxxxxxxxxx> Date: Fri, 18 Aug 2023 11:22:49 -0700 Subject: net: release reference to inet6_dev pointer MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Patrick Rohr <prohr@xxxxxxxxxx> commit 5cb249686e67dbef3ffe53887fa725eefc5a7144 upstream. addrconf_prefix_rcv returned early without releasing the inet6_dev pointer when the PIO lifetime is less than accept_ra_min_lft. Fixes: 5027d54a9c30 ("net: change accept_ra_min_rtr_lft to affect all RA lifetimes") Cc: Maciej Żenczykowski <maze@xxxxxxxxxx> Cc: Lorenzo Colitti <lorenzo@xxxxxxxxxx> Cc: David Ahern <dsahern@xxxxxxxxxx> Cc: Simon Horman <horms@xxxxxxxxxx> Reviewed-by: Simon Horman <horms@xxxxxxxxxx> Reviewed-by: Maciej Żenczykowski <maze@xxxxxxxxxx> Signed-off-by: Patrick Rohr <prohr@xxxxxxxxxx> Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/ipv6/addrconf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -2734,7 +2734,7 @@ void addrconf_prefix_rcv(struct net_devi } if (valid_lft != 0 && valid_lft < in6_dev->cnf.accept_ra_min_lft) - return; + goto put; /* * Two things going on here: Patches currently in stable-queue which might be from prohr@xxxxxxxxxx are queue-6.1/net-change-accept_ra_min_rtr_lft-to-affect-all-ra-lifetimes.patch queue-6.1/net-release-reference-to-inet6_dev-pointer.patch queue-6.1/net-add-sysctl-accept_ra_min_rtr_lft.patch