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 23FBE85C74 for ; Tue, 5 Mar 2024 13:59:02 +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=1709647144; cv=none; b=U55NR1ylfOtxH0ug+gCh5olikfQSPXyDVTU0SvMqcaz0PN5vZpOfC1pvDfpypfJklcDTPyGBftUQV55IvwHFWzMWEB+wV22XPjW4Q10R9huU2iFCEqwcSgm22hOEAFu/8VdMMajmIVJGrjBUU+0PFqm2y3W9E4Dq0mjzLiYw4B8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709647144; c=relaxed/simple; bh=7l33o63t817PVAJxkpl+CDCljilBzWublR/7OYtNxNM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=a0cF9OKjvy/aRUxJEj//37QVG70f7p63NCLZcEgcaf4qC3EcESK0gwUhxRnQPYyP/pOxqwVBDiV2nVF7y6KuEHrexiRPiXGDkCc3bOXXiJweN21cJtPAl1cXmU5a2rccmPwSrKqLDagL9It4MlTWgh7GxHE5Z31RNOLOFA3RG2Y= 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-7c85571a980so149485639f.1 for ; Tue, 05 Mar 2024 05:59:02 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709647142; x=1710251942; 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=ozqm1QJ84yI8HdJqurYAliOOcrvYW5cx3nOSejB731o=; b=qh/JZoUEwDdT4SMTkR3kyG5dfDqeb8I3QN3ziM+dP/Yst4bucPu2o2W1hvihQMujsi XDNupVrQ2TWw2IN5Sx20W5yE3mpd+jApXmTawyazxHsIvGZhW1k7r9xRsRpxdld0RPwR OgMZJtKEL/1A3Klk1NaV1aZjWeh7rae6LNq/81fkStLqPZ+x9hxwSlw/q78SiKiIOnmo lHsH3z8XinB7jT+cKaTmw16hIQa1HRNeJHuIobIBp8LvMboXWH2uhoTq/O4hUi7S8rnn S2YUNTTk0x2DsOKAtBFLrVuoTOM992s5On+NLUneJ9Szb7bQA58fEpqoj+be8SDw0fdY uWdA== X-Forwarded-Encrypted: i=1; AJvYcCVko/+/YPOav8Y31x0K7R/DUzWZOZRX1sH8CqvRxh3mBX+JH9pbcnw8+1j7GkmHVMoNUwdLASCJuXOYmgjqCXAnahr0 X-Gm-Message-State: AOJu0YyejfJg4jxOcDR7IN1mog7XYTWQMmgNy2BeM0hSk9Qs6LJ7Lxaz cmWw976RQMrdQsHiKGCaZ1c9Du5+Hmd1U20O9FH7oTirmJlO3rRrSqBF+meDhDtAu1kNjfn5RM+ rKtMbsDHfYSC4J98Cw8UxMyMHrdRUt0tzJC4P+ANSjdLzBE0tz1GL5HA= X-Google-Smtp-Source: AGHT+IEP8n8qSf96nLlSO2rFxSJmbyVVUTknjVpsBlFop11mtXH7lx6mogLF/UQM1fodPwn/6hIAi5kpU8HrhUOEGbHhzUj7aJDi Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:35a7:b0:474:d2f6:f0d1 with SMTP id v39-20020a05663835a700b00474d2f6f0d1mr81402jal.1.1709647142220; Tue, 05 Mar 2024 05:59:02 -0800 (PST) Date: Tue, 05 Mar 2024 05:59:02 -0800 In-Reply-To: <000000000000376d93060a5207ed@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009a8bce0612ea3e3c@google.com> Subject: Re: [syzbot] [kvm?] WARNING in kvm_mmu_notifier_invalidate_range_start (3) From: syzbot To: akpm@linux-foundation.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, pbonzini@redhat.com, seanjc@google.com, syzkaller-bugs@googlegroups.com, tintinm2017@gmail.com, usama.anjum@collabora.com Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 4cccb6221cae6d020270606b9e52b1678fc8b71a Author: Muhammad Usama Anjum Date: Tue Jan 9 11:24:42 2024 +0000 fs/proc/task_mmu: move mmu notification mechanism inside mm lock bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1638c66c180000 start commit: b57b17e88bf5 Merge tag 'parisc-for-6.7-rc1-2' of git://git.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=d950a2e2e34359e2 dashboard link: https://syzkaller.appspot.com/bug?extid=c74f40907a9c0479af10 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15785fc4e80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1469c9a8e80000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: fs/proc/task_mmu: move mmu notification mechanism inside mm lock For information about bisection process see: https://goo.gl/tpsmEJ#bisection