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Wed, 31 Jul 2024 04:57:02 -0700 (PDT) Date: Wed, 31 Jul 2024 04:57:02 -0700 In-Reply-To: <00000000000022a23c061604edb3@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d61bb8061e89caa5@google.com> Subject: Re: [syzbot] [usb?] INFO: rcu detected stall in __run_timer_base From: syzbot To: akpm@linux-foundation.org, brauner@kernel.org, davem@davemloft.net, dvyukov@google.com, elver@google.com, glider@google.com, gregkh@linuxfoundation.org, hdanton@sina.com, jhs@mojatatu.com, kasan-dev@googlegroups.com, keescook@chromium.org, kuba@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-usb@vger.kernel.org, luyun@kylinos.cn, netdev@vger.kernel.org, pctammela@mojatatu.com, rafael@kernel.org, stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com, victor@mojatatu.com, vinicius.gomes@intel.com, viro@zeniv.linux.org.uk, vladimir.oltean@nxp.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: A941A40003 X-Stat-Signature: aujyuzbf9w5zt1ngw6daz4oc6hoohdbr X-Rspam-User: X-HE-Tag: 1722427023-467893 X-HE-Meta: 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 DARb5bWg 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 pkuIhhS0 yWIbcN0aR5DMyLgwBIFArLWMsiHwG/yYx9Do3GJA3e4J4/p54B9pWJSTxOTDgO97UHnykJtxGZGiZusBgqzrTg== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: syzbot suspects this issue was fixed by commit: commit 22f00812862564b314784167a89f27b444f82a46 Author: Alan Stern Date: Fri Jun 14 01:30:43 2024 +0000 USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14f906bd980000 start commit: 89be4025b0db Merge tag '6.10-rc1-smb3-client-fixes' of git.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=b9016f104992d69c dashboard link: https://syzkaller.appspot.com/bug?extid=1acbadd9f48eeeacda29 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=145ed3fc980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11c1541c980000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages For information about bisection process see: https://goo.gl/tpsmEJ#bisection