linux-kernel - Re: [syzbot] [usb?] WARNING in wdm_rxwork/usb_submit

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Message-ID: <000000000000e6f1170616f406c9@google.com>
Date: Thu, 25 Apr 2024 16:20:03 -0700
From: syzbot <syzbot+c6a1953c27ace6cc34e5@...kaller.appspotmail.com>
To: hdanton@...a.com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [usb?] WARNING in wdm_rxwork/usb_submit_urb (2)

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
INFO: rcu detected stall in corrupted

rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 0-....
 } 2638 jiffies s: 1161 root: 0x0/.
rcu: blocking rcu_node structures (internal RCU debug):

Tested on:

commit:         a160e120 usb: dwc3: qcom: Add multiport suspend/resume..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
console output: https://syzkaller.appspot.com/x/log.txt?x=1009807b180000
kernel config:  https://syzkaller.appspot.com/x/.config?x=6fe204286ac73e15
dashboard link: https://syzkaller.appspot.com/bug?extid=c6a1953c27ace6cc34e5
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=1622eccf180000