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authorGeliang Tang <tanggeliang@kylinos.cn>2024-11-04 13:31:42 +0100
committerJakub Kicinski <kuba@kernel.org>2024-11-05 17:51:09 -0800
commit99635c91fb8b860a6404b9bc8b769df7bdaa2ae3 (patch)
tree36a446b3f88ccd27fe5633db2b47c3da27334794 /net
parentcfbbd4859882a5469f6f4945937a074ee78c4b46 (diff)
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mptcp: use sock_kfree_s instead of kfree
The local address entries on userspace_pm_local_addr_list are allocated by sock_kmalloc(). It's then required to use sock_kfree_s() instead of kfree() to free these entries in order to adjust the allocated size on the sk side. Fixes: 24430f8bf516 ("mptcp: add address into userspace pm list") Cc: stable@vger.kernel.org Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn> Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20241104-net-mptcp-misc-6-12-v1-2-c13f2ff1656f@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net')
-rw-r--r--net/mptcp/pm_userspace.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c
index 2cceded3a83a..56dfea9862b7 100644
--- a/net/mptcp/pm_userspace.c
+++ b/net/mptcp/pm_userspace.c
@@ -91,6 +91,7 @@ static int mptcp_userspace_pm_delete_local_addr(struct mptcp_sock *msk,
struct mptcp_pm_addr_entry *addr)
{
struct mptcp_pm_addr_entry *entry, *tmp;
+ struct sock *sk = (struct sock *)msk;
list_for_each_entry_safe(entry, tmp, &msk->pm.userspace_pm_local_addr_list, list) {
if (mptcp_addresses_equal(&entry->addr, &addr->addr, false)) {
@@ -98,7 +99,7 @@ static int mptcp_userspace_pm_delete_local_addr(struct mptcp_sock *msk,
* be used multiple times (e.g. fullmesh mode).
*/
list_del_rcu(&entry->list);
- kfree(entry);
+ sock_kfree_s(sk, entry, sizeof(*entry));
msk->pm.local_addr_used--;
return 0;
}