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Thu, 25 Apr 2024 16:20:03 -0700 (PDT) Date: Thu, 25 Apr 2024 16:20:03 -0700 In-Reply-To: <20240425225501.3242-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e6f1170616f406c9@google.com> Subject: Re: [syzbot] [usb?] WARNING in wdm_rxwork/usb_submit_urb (2) From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" 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