Re: [syzbot] [usb?] WARNING in wdm_rxwork/usb_submit_urb (2)

From: syzbot
Date: Thu Apr 25 2024 - 19:20:10 EST


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