From: Vinay Kumar Yadav vinay.yadav@chelsio.com
[ Upstream commit 28e9dcd9172028263c8225c15c4e329e08475e89 ]
In chtls_pass_establish() we hold child socket lock using bh_lock_sock and we are again trying bh_lock_sock in add_to_reap_list, causing deadlock. Remove bh_lock_sock in add_to_reap_list() as lock is already held.
Fixes: cc35c88ae4db ("crypto : chtls - CPL handler definition") Signed-off-by: Vinay Kumar Yadav vinay.yadav@chelsio.com Link: https://lore.kernel.org/r/20201025193538.31112-1-vinay.yadav@chelsio.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/crypto/chelsio/chtls/chtls_cm.c | 2 -- 1 file changed, 2 deletions(-)
--- a/drivers/crypto/chelsio/chtls/chtls_cm.c +++ b/drivers/crypto/chelsio/chtls/chtls_cm.c @@ -1369,7 +1369,6 @@ static void add_to_reap_list(struct sock struct chtls_sock *csk = sk->sk_user_data;
local_bh_disable(); - bh_lock_sock(sk); release_tcp_port(sk); /* release the port immediately */
spin_lock(&reap_list_lock); @@ -1378,7 +1377,6 @@ static void add_to_reap_list(struct sock if (!csk->passive_reap_next) schedule_work(&reap_task); spin_unlock(&reap_list_lock); - bh_unlock_sock(sk); local_bh_enable(); }