linux-kernel - Re: [syzbot] Re: [syzbot] [bluetooth?] general protection fault in bcsp

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Message-ID: <67b7d02b.050a0220.14d86d.0302.GAE@google.com>
Date: Thu, 20 Feb 2025 17:00:27 -0800
From: syzbot <syzbot+9c957444e37d521b3b94@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org
Subject: Re: [syzbot] Re: [syzbot] [bluetooth?] general protection fault in bcsp_close

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Subject: Re: [syzbot] [bluetooth?] general protection fault in bcsp_close
Author: lizhi.xu@...driver.com

#syz test

diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index acba83156de9..18793c485319 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -716,6 +716,7 @@ static int hci_uart_set_proto(struct hci_uart *hu, int id)
 
 	err = hci_uart_register_dev(hu);
 	if (err) {
+		clear_bit(HCI_UART_PROTO_INIT, &hu->flags);
 		return err;
 	}