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authorLinus Torvalds <torvalds@linux-foundation.org>2024-08-08 13:51:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-08-08 13:51:44 -0700
commitee9a43b7cfe2d8a3520335fea7d8ce71b8cabd9d (patch)
tree5de8a2cab8b6ce548ccd329e176b430aa5b8eca4 /net/ipv4/tcp_ao.c
parent9466b6ae6befa87b27cc13ee7263e01b9c48efc0 (diff)
parent2ff4ceb0309abb3cd1843189e99e4cc479ec5b92 (diff)
Merge tag 'net-6.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski: "Including fixes from bluetooth. Current release - regressions: - eth: bnxt_en: fix memory out-of-bounds in bnxt_fill_hw_rss_tbl() on older chips Current release - new code bugs: - ethtool: fix off-by-one error / kdoc contradicting the code for max RSS context IDs - Bluetooth: hci_qca: - QCA6390: fix support on non-DT platforms - QCA6390: don't call pwrseq_power_off() twice - fix a NULL-pointer derefence at shutdown - eth: ice: fix incorrect assigns of FEC counters Previous releases - regressions: - mptcp: fix handling endpoints with both 'signal' and 'subflow' flags set - virtio-net: fix changing ring count when vq IRQ coalescing not supported - eth: gve: fix use of netif_carrier_ok() during reconfig / reset Previous releases - always broken: - eth: idpf: fix bugs in queue re-allocation on reconfig / reset - ethtool: fix context creation with no parameters Misc: - linkwatch: use system_unbound_wq to ease RTNL contention" * tag 'net-6.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (41 commits) net: dsa: microchip: disable EEE for KSZ8567/KSZ9567/KSZ9896/KSZ9897. ethtool: Fix context creation with no parameters net: ethtool: fix off-by-one error in max RSS context IDs net: pse-pd: tps23881: include missing bitfield.h header net: fec: Stop PPS on driver remove net: bcmgenet: Properly overlay PHY and MAC Wake-on-LAN capabilities l2tp: fix lockdep splat net: stmmac: dwmac4: fix PCS duplex mode decode idpf: fix UAFs when destroying the queues idpf: fix memleak in vport interrupt configuration idpf: fix memory leaks and crashes while performing a soft reset bnxt_en : Fix memory out-of-bounds in bnxt_fill_hw_rss_tbl() net: dsa: bcm_sf2: Fix a possible memory leak in bcm_sf2_mdio_register() net/smc: add the max value of fallback reason count Bluetooth: hci_sync: avoid dup filtering when passive scanning with adv monitor Bluetooth: l2cap: always unlock channel in l2cap_conless_channel() Bluetooth: hci_qca: fix a NULL-pointer derefence at shutdown Bluetooth: hci_qca: fix QCA6390 support on non-DT platforms Bluetooth: hci_qca: don't call pwrseq_power_off() twice for QCA6390 ice: Fix incorrect assigns of FEC counts ...
Diffstat (limited to 'net/ipv4/tcp_ao.c')
-rw-r--r--net/ipv4/tcp_ao.c43
1 files changed, 30 insertions, 13 deletions
diff --git a/net/ipv4/tcp_ao.c b/net/ipv4/tcp_ao.c
index 85531437890c..db6516092daf 100644
--- a/net/ipv4/tcp_ao.c
+++ b/net/ipv4/tcp_ao.c
@@ -267,32 +267,49 @@ static void tcp_ao_key_free_rcu(struct rcu_head *head)
kfree_sensitive(key);
}
-void tcp_ao_destroy_sock(struct sock *sk, bool twsk)
+static void tcp_ao_info_free_rcu(struct rcu_head *head)
{
- struct tcp_ao_info *ao;
+ struct tcp_ao_info *ao = container_of(head, struct tcp_ao_info, rcu);
struct tcp_ao_key *key;
struct hlist_node *n;
+ hlist_for_each_entry_safe(key, n, &ao->head, node) {
+ hlist_del(&key->node);
+ tcp_sigpool_release(key->tcp_sigpool_id);
+ kfree_sensitive(key);
+ }
+ kfree(ao);
+ static_branch_slow_dec_deferred(&tcp_ao_needed);
+}
+
+static void tcp_ao_sk_omem_free(struct sock *sk, struct tcp_ao_info *ao)
+{
+ size_t total_ao_sk_mem = 0;
+ struct tcp_ao_key *key;
+
+ hlist_for_each_entry(key, &ao->head, node)
+ total_ao_sk_mem += tcp_ao_sizeof_key(key);
+ atomic_sub(total_ao_sk_mem, &sk->sk_omem_alloc);
+}
+
+void tcp_ao_destroy_sock(struct sock *sk, bool twsk)
+{
+ struct tcp_ao_info *ao;
+
if (twsk) {
ao = rcu_dereference_protected(tcp_twsk(sk)->ao_info, 1);
- tcp_twsk(sk)->ao_info = NULL;
+ rcu_assign_pointer(tcp_twsk(sk)->ao_info, NULL);
} else {
ao = rcu_dereference_protected(tcp_sk(sk)->ao_info, 1);
- tcp_sk(sk)->ao_info = NULL;
+ rcu_assign_pointer(tcp_sk(sk)->ao_info, NULL);
}
if (!ao || !refcount_dec_and_test(&ao->refcnt))
return;
- hlist_for_each_entry_safe(key, n, &ao->head, node) {
- hlist_del_rcu(&key->node);
- if (!twsk)
- atomic_sub(tcp_ao_sizeof_key(key), &sk->sk_omem_alloc);
- call_rcu(&key->rcu, tcp_ao_key_free_rcu);
- }
-
- kfree_rcu(ao, rcu);
- static_branch_slow_dec_deferred(&tcp_ao_needed);
+ if (!twsk)
+ tcp_ao_sk_omem_free(sk, ao);
+ call_rcu(&ao->rcu, tcp_ao_info_free_rcu);
}
void tcp_ao_time_wait(struct tcp_timewait_sock *tcptw, struct tcp_sock *tp)