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From: Edward Adam Davis <eadavis@qq.com>
To: syzbot+3f395d8da879a58fb019@syzkaller.appspotmail.com
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [media?] INFO: trying to register non-static key in as102_dvb_dmx_start_feed
Date: Thu, 26 Mar 2026 20:15:28 +0800	[thread overview]
Message-ID: <tencent_E72577BA88BBC133769EDE1B8E4BFE1B7F08@qq.com> (raw)
In-Reply-To: <69c4c074.a70a0220.23629d.0009.GAE@google.com>

#syz test

diff --git a/drivers/media/usb/as102/as102_drv.c b/drivers/media/usb/as102/as102_drv.c
index 6b1d3528a0a7..1823f0ca44df 100644
--- a/drivers/media/usb/as102/as102_drv.c
+++ b/drivers/media/usb/as102/as102_drv.c
@@ -344,9 +344,6 @@ int as102_dvb_register(struct as102_dev_t *as102_dev)
 	/* init bus mutex for token locking */
 	mutex_init(&as102_dev->bus_adap.lock);
 
-	/* init start / stop stream mutex */
-	mutex_init(&as102_dev->sem);
-
 	/*
 	 * try to load as102 firmware. If firmware upload failed, we'll be
 	 * able to upload it later.
diff --git a/drivers/media/usb/as102/as102_usb_drv.c b/drivers/media/usb/as102/as102_usb_drv.c
index 8e480ab78f9b..a19b156b635b 100644
--- a/drivers/media/usb/as102/as102_usb_drv.c
+++ b/drivers/media/usb/as102/as102_usb_drv.c
@@ -385,6 +385,8 @@ static int as102_usb_probe(struct usb_interface *intf,
 			__func__, ret);
 		goto failed;
 	}
+	/* init start / stop stream mutex */
+	mutex_init(&as102_dev->sem);
 
 	pr_info("%s: device has been detected\n", DRIVER_NAME);
 


  parent reply	other threads:[~2026-03-26 12:15 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-26  5:13 syzbot
2026-03-26  9:29 ` Edward Adam Davis
2026-03-26 10:12   ` syzbot
2026-03-26 11:13 ` Edward Adam Davis
2026-03-26 11:44   ` syzbot
2026-03-26 12:15 ` Edward Adam Davis [this message]
2026-03-26 12:40   ` syzbot
2026-03-26 12:45 ` Edward Adam Davis
2026-03-26 13:12   ` syzbot
2026-03-26 13:17 ` [PATCH] media: usb: as102: fix race condition between ioctl and register Edward Adam Davis
2026-06-02 15:55   ` [PATCH] media: usb: as102: initialize mutexes before registration Joel Peech

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