linux-kernel - Re: [syzbot] [usb?] INFO: rcu detected stall in schedule

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Message-Id: <20240516222843.1500-1-hdanton@sina.com>
Date: Fri, 17 May 2024 06:28:43 +0800
From: Hillf Danton <hdanton@...a.com>
To: syzbot <syzbot+c793a7eca38803212c61@...kaller.appspotmail.com>
Cc: linux-kernel@...r.kernel.org,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [usb?] INFO: rcu detected stall in schedule_timeout (6)

On Thu, 16 May 2024 12:17:28 -0700
> syzbot found the following issue on:
> 
> HEAD commit:    75fa778d74b7 Add linux-next specific files for 20240510
> git tree:       linux-next
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=151d9c78980000

#syz test https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git  75fa778d74b7

--- x/drivers/media/rc/imon.c
+++ y/drivers/media/rc/imon.c
@@ -1758,6 +1758,7 @@ static void usb_rx_callback_intf0(struct
 
 	switch (urb->status) {
 	case -ENOENT:		/* usbcore unlink successful! */
+	case -EPROTO:
 		return;
 
 	case -ESHUTDOWN:	/* transport endpoint was shut down */
--