From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (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 86510239BDA for ; Wed, 11 Dec 2024 11:17:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733915829; cv=none; b=P1hmBCVrvitMOzdfgkjBMrwruxJsmJjUWsR67gZSBv095LZ9APT2uyPdZFzaiI5erZJ50Qp/IBhYleZmiFUpFZFGMq1OXLG3WBkpot9vR2BlcXbAc/SOdcmsb90dWUXopo4FmoQYfa5vZ2BMhDdmXef858OXKrxtYOdhT5pTZYY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733915829; c=relaxed/simple; bh=c4BnXmgYxYe0yWZE168Zvg6DDn6B6qwJ1/JrV/rTa7Y=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=ryxBuMlaR8O3VJFO7r5DzH+5X43WI/J8OofAQXvPLdW0Sc21eb+ieAbHbX7WV+BVmi2MKazr2ZYCsNVl8qXl6VF4M+UlhzSeCkDKc6eefHHTfusp1AZH2vVmInNdOtkCqURtloZ4Dm1QgysycO2ofdESW9yeK4PSbydCeZ382Bo= 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=209.85.166.71 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-f71.google.com with SMTP id ca18e2360f4ac-844d02766ebso35575039f.2 for ; Wed, 11 Dec 2024 03:17:06 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733915825; x=1734520625; 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=fHOzKcnbQs180NH8xgUeDZcmje0GjXSOnMZDD83SFDc=; b=r1u9EY6D5LEiPfo2FBmOiN7D3pKhDGB0gxU/AE3x5JuluH9KK1sochBVnMfOMcDRdd HA49v/KfmC07GRS+EGnkBfQQcfVd1RdjkctTg7hM1qosXVISbHHLLqvEUwINYYnPoGDy QfnUQiJAwa8jgavdeRnZnuynsx0hT5QAsbksOynajd7yeh7Kov9IQApc0WbOTB0PfP2Q R3lNTZ0K2qBjPbIJpP5RQiIKONIPjEXaw1f7qhu61ctFQaPfbpsPzK90O7mrv7064giq Am9RNrBfUDHsSabovS5z+JgEJ2YpAZ5Zmr/zaAQkW+ai9CqioRz0M4Z0sh66fdCxdRkP UV1A== X-Forwarded-Encrypted: i=1; AJvYcCWHwayBQchI0FpAl+lSNKFe0qjQF0sp2MWyCKWZ6hWBMECwqz3lDGAKzQJjDyTM+yDeCW/ge6BUO7AOmCE=@vger.kernel.org X-Gm-Message-State: AOJu0YyPb8p7Yew5IdjdDf6KAKzY1q0wGM3nH1n2PwaN9hyOpXwgNQJ4 5uNSekri+oG4TiEo92afTJuBzTI36QxnYbSZXbEsQdcLi5XXc70Go5W3pdeEGk2BpcTtP5zVsWQ h+bd3Vgk7DB9DXUFurOWysGXUPhHA7IRzxITmECMi8TNzOLYF2C7Ztao= X-Google-Smtp-Source: AGHT+IEqPanBuktD8gnfs8MRp6Jz2fqprEU7fyRpw7gAyJujAkB3c8hea+7Oc8UywbQbqkf84pQiqijKBsaFm0ESfX0O8JbZ1UaU Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a8f:b0:3a7:e0a5:aa98 with SMTP id e9e14a558f8ab-3aa06fbfd1cmr25599385ab.13.1733915825705; Wed, 11 Dec 2024 03:17:05 -0800 (PST) Date: Wed, 11 Dec 2024 03:17:05 -0800 In-Reply-To: <67436e63.050a0220.1cc393.0048.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <675974b1.050a0220.1ac542.0009.GAE@google.com> Subject: Re: [syzbot] [kernel?] WARNING in flush_tlb_func From: syzbot To: bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, linux-kernel@vger.kernel.org, luto@kernel.org, mingo@kernel.org, mingo@redhat.com, peterz@infradead.org, riel@surriel.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 209954cbc7d0ce1a190fc725d20ce303d74d2680 Author: Rik van Riel Date: Thu Nov 14 15:26:16 2024 +0000 x86/mm/tlb: Update mm_cpumask lazily bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13b9b3e8580000 start commit: f486c8aa16b8 Add linux-next specific files for 20241128 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=1079b3e8580000 console output: https://syzkaller.appspot.com/x/log.txt?x=17b9b3e8580000 kernel config: https://syzkaller.appspot.com/x/.config?x=e348a4873516af92 dashboard link: https://syzkaller.appspot.com/bug?extid=2f32bc207cbe5ca4b7a2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17c16fc0580000 Reported-by: syzbot+2f32bc207cbe5ca4b7a2@syzkaller.appspotmail.com Fixes: 209954cbc7d0 ("x86/mm/tlb: Update mm_cpumask lazily") For information about bisection process see: https://goo.gl/tpsmEJ#bisection