From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f200.google.com (mail-oi1-f200.google.com [209.85.167.200]) (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 5DF392877DE for ; Tue, 11 Aug 2026 15:01:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786460465; cv=none; b=QI23+2YJvKWJICo8rUrZgNuoEfdbb2Ttjoze0/fsTr2w5+GTAC5/EXSk5Nr2AYopKdCcDOX6jCKxNO4qT/4zyIAb7anzUtj3myMA5M1MzYrGiPARZ3kX+Ci/FXmnqlMEzzLjDu7gMw6k9GUsMfkisjAtE0tPjTCIy6kpr1V9VNI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786460465; c=relaxed/simple; bh=FX1+h96SOrDPrbnJM7Y3QDnLs6pnpuwF86BPYhDpA7U=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=hoFj+47wvZa7S5lIhU2vOo01Of5wl5SQQqFEOrT1s3ZGNX5ys0b1laVxhZ0NAESX8bE0fshWSc+YFkiEaiIKe8+dwcmUVKKkVBB0Hly1Air225Ih/ogvQHIVfn5ET07cZtlhLpt8xoaiCyvZWUmXKn5tMJxbzsUZyhQ3VdiLx3g= 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=209.85.167.200 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-oi1-f200.google.com with SMTP id 5614622812f47-4a46e8eec4bso529146b6e.1 for ; Tue, 11 Aug 2026 08:01:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786460463; x=1787065263; h=content-type:to:from:subject:message-id:in-reply-to:date :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to:content-type; bh=2euFBMzpkNGPQKLpYaZF3kHB1Ll/hUNRkhQD6KBsYmU=; b=IlENbqgDV+TGpSqYT5N7jAk0Mtrg/o/ZE+JEQDmMVBQIh8qu6Ty3MduIknUp7PNebO tg613VGYihrAREidC/v0hrx7A4vlKT/CYMQ52TbWfEAQIjiZkD+/3nWQbqXOMjcO5i2i iXE3XD2WwW9qFCpjIFiExdJMgedhupKlOgolFsziwtJrpMf3DXdpc/CQozob1QBSUTNJ TbsOojTg6NjdfWDPClKRbW8KjEPdHB36C2Y1jp2UT+EhIsXxry0WDlFiw5SGllJwVQtd c7zEz9dwsgqmXOwhLGrkOGncxjX2DOHgw/xSEjKJmeqm9OJVsqeLQI9OqI77FZDca4qX j53g== X-Forwarded-Encrypted: i=1; AHgh+Rpym+WpGEz5/h9YWa5pJYq1zx+uy+uaiYiAb3BRn+ZBBDS0isv+u0jLnoFfq16E/8S6u2k4b3DViP4lCaY=@vger.kernel.org X-Gm-Message-State: AOJu0YyEpnpaSgXAZexydqDbvjtfZDMJ0E70Z5LKw2KoVFPHNscWq/qX TDOull6TSIyJmKTTSWRK7UJHe1/wrbvoDGsI3CYcciFGt+xdfM+pGLQiHogqPj/bbDMV3Ta/qvl 5vWq49nlwqpzamfmNBSMyoP5UBMf+ipcd2A8ceASgqQfulbYnK52LdE9Ohiw= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:150c:b0:4af:741c:f60d with SMTP id 5614622812f47-4b1fd8e604emr2429300b6e.13.1786460462971; Tue, 11 Aug 2026 08:01:02 -0700 (PDT) Date: Tue, 11 Aug 2026 08:01:02 -0700 In-Reply-To: <6829348563b5854a91ce91f724fe5181810239d3.camel@infradead.org> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a7b392e.3668565d.e8814.0000.GAE@google.com> Subject: Re: [syzbot] [kvm-x86?] [kvm?] WARNING: locking bug in kvm_xen_set_evtchn_fast From: syzbot To: dwmw2@infradead.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, pbonzini@redhat.com, seanjc@kernel.org, suryasaimadhu369@gmail.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+919877893c9d28162dc2@syzkaller.appspotmail.com Tested-by: syzbot+919877893c9d28162dc2@syzkaller.appspotmail.com Tested on: commit: bd0c3496 KVM: x86: Use gfn_to_pfn_cache for steal time.. git tree: git://git.infradead.org/users/dwmw2/linux.git xen-srcu-fixed console output: https://syzkaller.appspot.com/x/log.txt?x=17dd3132580000 kernel config: https://syzkaller.appspot.com/x/.config?x=9cef045500682f6b dashboard link: https://syzkaller.appspot.com/bug?extid=919877893c9d28162dc2 compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.