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Wed, 04 Jun 2025 06:49:02 -0700 (PDT) Date: Wed, 04 Jun 2025 06:49:02 -0700 In-Reply-To: <66f7eee8.050a0220.4a974.0006.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68404ece.a00a0220.d4325.000d.GAE@google.com> Subject: Re: [syzbot] [mm?] INFO: rcu detected stall in vhci_release From: syzbot To: akpm@linux-foundation.org, bigeasy@linutronix.de, bsegall@google.com, dietmar.eggemann@arm.com, edumazet@google.com, juri.lelli@redhat.com, kerneljasonxing@gmail.com, kuba@kernel.org, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, luiz.dentz@gmail.com, marcel@holtmann.org, mgorman@suse.de, mingo@kernel.org, mingo@redhat.com, pabeni@redhat.com, peterz@infradead.org, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, vincent.guittot@linaro.org, vschneid@redhat.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 531EB40004 X-Stat-Signature: jhheyck4q8jdmr51btmxitg3ceu7xcpz X-Rspam-User: X-HE-Tag: 1749044943-544568 X-HE-Meta: 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 Az7iVMsm 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 IQsRcQyY I1OgwV3vhqD9lwZRutKWqgWLL2KcdgjzkbKtNpKaBcULuxqzOO92y2hih5nynCq//O7sBj9tGuOAmA8ewSBTGWSqx1gGzalhp52pCYmkZb7mP6kBPJQGKnj37D2AQKazdgru85FILY5j1hY5H6SbnpZKvH6kv/shGkciQEeNSdzv62ht7pUdhIk0nJFnwj3RD5NrlyycKVtz4ldwNKjompQaAtw1vyOV 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 6d71a9c6160479899ee744d2c6d6602a191deb1f Author: Peter Zijlstra Date: Thu Jan 9 10:59:59 2025 +0000 sched/fair: Fix EEVDF entity placement bug causing scheduling lag bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15a9780c580000 start commit: abf2050f51fd Merge tag 'media/v6.12-1' of git://git.kernel.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=2a8c36c5e2b56016 dashboard link: https://syzkaller.appspot.com/bug?extid=46c3d1706c2d2688baba syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10564c80580000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: sched/fair: Fix EEVDF entity placement bug causing scheduling lag For information about bisection process see: https://goo.gl/tpsmEJ#bisection