From mboxrd@z Thu Jan 1 00:00:00 1970 From: syzbot Subject: Re: [syzbot] INFO: rcu detected stall in net_tx_action Date: Tue, 26 Jul 2022 08:50:09 -0700 Message-ID: <0000000000004bee3605e4b74106@google.com> References: <00000000000026864605c611cc51@google.com> Mime-Version: 1.0 Return-path: In-Reply-To: <00000000000026864605c611cc51@google.com> List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: axboe@kernel.dk, cgroups@vger.kernel.org, fweisbec@gmail.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, ming.lei@redhat.com, mingo@kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, tj@kernel.org syzbot suspects this issue was fixed by commit: commit 0a9a25ca78437b39e691bcc3dc8240455b803d8d Author: Ming Lei Date: Fri Mar 18 13:01:43 2022 +0000 block: let blkcg_gq grab request queue's refcnt bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1004f05a080000 start commit: d6765985a42a Revert "be2net: disable bh with spin_lock in .. git tree: net kernel config: https://syzkaller.appspot.com/x/.config?x=7ca96a2d153c74b0 dashboard link: https://syzkaller.appspot.com/bug?extid=3ba0493d523d007b3819 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14c9edc8300000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=172463c8300000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: block: let blkcg_gq grab request queue's refcnt For information about bisection process see: https://goo.gl/tpsmEJ#bisection