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[192.131.102.54]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7a1fdd2f90csm210796285a.24.2024.07.31.07.08.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 31 Jul 2024 07:08:32 -0700 (PDT) Date: Wed, 31 Jul 2024 10:08:29 -0400 From: Alan Stern To: syzbot Cc: 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, syzkaller-bugs@googlegroups.com, victor@mojatatu.com, vinicius.gomes@intel.com, viro@zeniv.linux.org.uk, vladimir.oltean@nxp.com Subject: Re: [syzbot] [usb?] INFO: rcu detected stall in __run_timer_base Message-ID: <3eb71b17-33c3-42fa-86e6-459c3bfdbf29@rowland.harvard.edu> References: <00000000000022a23c061604edb3@google.com> <000000000000d61bb8061e89caa5@google.com> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000000000000d61bb8061e89caa5@google.com> On Wed, Jul 31, 2024 at 04:57:02AM -0700, syzbot wrote: > 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