From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3D655231C85 for ; Fri, 4 Oct 2024 20:32:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728073924; cv=none; b=SDHCvutGs8IYw2X512iJCG2dNOzAPya0zpOanu5Od8a89cX8TNsytiJBBdHSubuYy0czyKKE0OJogwMlklOQ3FP3sy36rD21eIR69pia4+B7Cri4JHqDu0hKEPv8+GeAvveDMlvqBZmTOvfceD8tKwOwtl6vLx8dKcbtm190Y1c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728073924; c=relaxed/simple; bh=pAOJWKcAkZSHJFHYNrsqn/eifMqWpJCZtqP9xZ/YN78=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=ODGmhWlqL0GAFF6S91S5aGk4bkGJI8Ki6P6YsdV0ipzL6feiHhd/KbO/9UJ/6sBkDvG6NKLwDfrcuOKXdQ6TxT7HLyvTQePCaRWhcNdh5Z9z4xu61m8Pln7xKZegjb04lMEelYO96RdpKo8CV/vnjXHvPFaPuDX7NYA22mAjQo4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f72.google.com with SMTP id ca18e2360f4ac-82cf261659bso348740739f.2 for ; Fri, 04 Oct 2024 13:32:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728073922; x=1728678722; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=KDZj8ZR5eJTu8r8Erb1fCbFIz+gdsYbjMxv3CKzv28Q=; b=qHLetZRLkduSJY61Hh5w8euFVeQgkllxTLLByaqgxDLCFOO9HOuIQeu0cy3db0u+M/ uScRCrCdkS8nvWxVujwo22ziUuaXlBcJsxFfggqCEAtp0h7egZTbU+jiA5mQ4qTFlLUg beJaP6QR8SsG9IWxaVA17LVF5Uz3N6ETv9nbIEVg3hX0IownAy2grPNVMVyFB5g8SSSu MZsepdHM48aovlPi8D45vwVdqZjrwI2zDqtfFniDoRIYsZwpcKWSj4niqU23IFBL1Nfu snrUgk43mETgs5iJtve2S3agcpxVqbQQH+RrUvfIlDZbSP93rxnjzTOKm59lAE7NkXzg JDfQ== X-Forwarded-Encrypted: i=1; AJvYcCUYOxHpQw7VuivNAnaURVuMyCZEiicjiJ5oavwk3gANxylCBcxlm+/38gYpk94mPru2G40ZF5URjffF20Q=@vger.kernel.org X-Gm-Message-State: AOJu0Yy3XVuN8ulVmrSDXdTPBJ0k4KadJ5proYegcS7EDZJG3VokSu+m drCipeCHm0VC+cZthNII42vqy9PxPsnJ//ydNTDLITvjFjd4BjH9llKtSqh9TtdCELeMjHekENb Hru5OVdSZNWFwtttIPd8gYOO9zsdAt08DAQS4lqQ0p7ORakMZh5lgbSU= X-Google-Smtp-Source: AGHT+IHjj2c1FkgKMosbzum83+wvJ2/rJlcK9Dy1o7ZkrzLNRM91dtnQeMacqcSCVNi+sxpnbqAjWJI6gKF2InuGTgRJs782GmWH Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1c24:b0:3a3:68bc:a16d with SMTP id e9e14a558f8ab-3a375badf5fmr43211105ab.18.1728073922436; Fri, 04 Oct 2024 13:32:02 -0700 (PDT) Date: Fri, 04 Oct 2024 13:32:02 -0700 In-Reply-To: <0000000000009afb860616fa87cf@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <670050c2.050a0220.49194.049e.GAE@google.com> Subject: Re: [syzbot] [kernel?] INFO: rcu detected stall in rt_sigreturn From: syzbot To: bp@alien8.de, bristot@kernel.org, dave.hansen@linux.intel.com, hpa@zytor.com, juri.lelli@redhat.com, linux-kernel@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, vineeth@bitbyteword.org, x86@kernel.org Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 5f6bd380c7bdbe10f7b4e8ddcceed60ce0714c6d Author: Peter Zijlstra Date: Mon May 27 12:06:55 2024 +0000 sched/rt: Remove default bandwidth control bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15678d80580000 start commit: 48cf398f15fc Merge tag 'char-misc-6.9-rc5' of git://git.ke.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=85dbe39cf8e4f599 dashboard link: https://syzkaller.appspot.com/bug?extid=f87fd2bd13a4c9c5af8a syz repro: https://syzkaller.appspot.com/x/repro.syz?x=152c59fd180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=112d3227180000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: sched/rt: Remove default bandwidth control For information about bisection process see: https://goo.gl/tpsmEJ#bisection