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| author |   Shigeru Yoshida <syoshida@redhat.com> | 2023-09-03 02:07:08 +0900 |
|---|---|---|
| committer |   Paolo Abeni <pabeni@redhat.com> | 2023-09-05 10:12:03 +0200 |
| commit | 6ad40b36cd3b04209e2d6c89d252c873d8082a59 (patch) | |
| tree | e916c23eec8e9d849b100c06dcd7b348e3b2eb68 | |
| parent | net: sched: sch_qfq: Fix UAF in qfq_dequeue() (diff) | |
| download | wireguard-linux-6ad40b36cd3b04209e2d6c89d252c873d8082a59.tar.xz wireguard-linux-6ad40b36cd3b04209e2d6c89d252c873d8082a59.zip | |
kcm: Destroy mutex in kcm_exit_net()
kcm_exit_net() should call mutex_destroy() on knet->mutex. This is especially
needed if CONFIG_DEBUG_MUTEXES is enabled.
Fixes: ab7ac4eb9832 ("kcm: Kernel Connection Multiplexor module")
Signed-off-by: Shigeru Yoshida <syoshida@redhat.com>
Link: https://lore.kernel.org/r/20230902170708.1727999-1-syoshida@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
| -rw-r--r-- | net/kcm/kcmsock.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c index 393f01b2a7e6..4580f61426bb 100644 --- a/net/kcm/kcmsock.c +++ b/net/kcm/kcmsock.c @@ -1859,6 +1859,8 @@ static __net_exit void kcm_exit_net(struct net *net) * that all multiplexors and psocks have been destroyed. */ WARN_ON(!list_empty(&knet->mux_list)); + + mutex_destroy(&knet->mutex); } static struct pernet_operations kcm_net_ops = { |