| Message ID | 1445894087-2144-1-git-send-email-kamal@canonical.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c index 43c926c..7ea79a2 100644 --- a/net/netfilter/nf_log.c +++ b/net/netfilter/nf_log.c @@ -113,6 +113,7 @@ void nf_log_unregister(struct nf_logger *logger) for (i = 0; i < NFPROTO_NUMPROTO; i++) RCU_INIT_POINTER(loggers[i][logger->type], NULL); mutex_unlock(&nf_log_mutex); + synchronize_rcu(); } EXPORT_SYMBOL(nf_log_unregister);
This is a note to let you know that I have just added a patch titled netfilter: nf_log: wait for rcu grace after logger unregistration to the linux-3.16.y-queue branch of the 3.16.y-ckt extended stable tree which can be found at: http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.16.y-queue This patch is scheduled to be released in version 3.19.8-ckt9. If you, or anyone else, feels it should not be added to this tree, please reply to this email. For more information about the 3.16.y-ckt tree, see https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable Thanks. -Kamal ------ From 3b77298bc6f8aa584708334babbcb2eedeae00b6 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso <pablo@netfilter.org> Date: Thu, 17 Sep 2015 13:37:00 +0200 Subject: netfilter: nf_log: wait for rcu grace after logger unregistration commit ad5001cc7cdf9aaee5eb213fdee657e4a3c94776 upstream. The nf_log_unregister() function needs to call synchronize_rcu() to make sure that the objects are not dereferenced anymore on module removal. Fixes: 5962815a6a56 ("netfilter: nf_log: use an array of loggers instead of list") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- net/netfilter/nf_log.c | 1 + 1 file changed, 1 insertion(+) -- 1.9.1