From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 580B01FC0E3 for ; Mon, 23 Jun 2025 08:03:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750665836; cv=none; b=OJbFAPtdBcU+6pcue/zBe0AhG+Q+tkqvoiiojaQJKgDteF+xTryAurk07aGjNH62B+nQRpX7NK4M8IvCtlR858qn/zfNloBfj1f5EoNwCpO6ENLtb8m9zqLzHM6m7wjK/hAoKBTdP9yA3fxgg//nFp9GmhGWat+kkGnJkhAhNik= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750665836; c=relaxed/simple; bh=Kkp1NuYRKEzbQMR2D07L6XhZKTIBXzdR4HYW4ZgNdsc=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=dBnVLfp6Cw/P9LoPhhg+6AnJCD1NRWA1L51xxasMvpE6FU7Dyrdg3Z3Jz0oZwdhabpZwhywwKdK+beBawV8zDif2AoryEzU9Rp3iIWaYVVoEPqXeFP81/cTBR3Gm0s9lbg6cSMwwuOgtzHSNy0mk/x3WpAoTFf7xesHpnYoFdZc= 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=209.85.166.197 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-il1-f197.google.com with SMTP id e9e14a558f8ab-3ddd5cd020dso88741175ab.0 for ; Mon, 23 Jun 2025 01:03:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750665834; x=1751270634; 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=mIeAXSj392mLcGJdE7Z1VpxC/y1pcJ/JVfWHw96kPoE=; b=UbYLONRRvXxuXfI+6+dVa4WzdiGmgrn1jh7KGcmytJpGBrkJGDlJACt2yraT6kB1Ar PzolLKl7G7avSFZftUGEzeTUg3FGhgzWuMYg2KLDN4reC5nKKMMJWSU79dHjBNPGi9DH PJk5Lw7AN5qFe3aMuFwT8McIxvesTq+laeKr31HBEVTf0HruYWaIN3L8xc8DTtkyYCE+ qJyMJmvhier7DbCRU6lTCvUwS+7G5f0KXV/ASEJRwoSc1RaiuDSgwYGTcv+RP2Hhdaco 7G/qroClZepyA3mNrUdDjIGyTW44PAhd6gB1B08KcF8JMqXUwsop1iQvTFkWMv9FmWUD IBXg== X-Gm-Message-State: AOJu0YzqLdKEcQxqdZN4Z0BIkRFC9u4NfqFx9mRYGR7mO2zcUr1Thu/o uvx8EGr+bGO82okGcgjWb6He6Y32y662jMU6bFMc3E/EWyMP3rEf+YjkpdOJNrrt1g/HXf99K24 srmjyvPb0gusGBo6XjROPe2DBD4ov5YNvqy68V4iuHQ1cmEFEWW3WO8r5g/c= X-Google-Smtp-Source: AGHT+IHCaaOs5PZRHdI0LQSEvJ9Dycpwbx6GmkKR+fqrq00g4PRW9viYqt7KTiumksSZ5aEONF48f3gOZhGPOJjwClHViKTPry0i Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:194b:b0:3dc:8b2c:4bc7 with SMTP id e9e14a558f8ab-3de38c1ba33mr136327265ab.1.1750665834282; Mon, 23 Jun 2025 01:03:54 -0700 (PDT) Date: Mon, 23 Jun 2025 01:03:54 -0700 In-Reply-To: <6854a3e6.a00a0220.137b3.0022.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68590a6a.050a0220.d71a0.0003.GAE@google.com> Subject: Re: [syzbot] Re: [syzbot] [kernel?] KMSAN: kernel-infoleak in vmci_host_unlocked_ioctl (3) From: syzbot To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject: Re: [syzbot] [kernel?] KMSAN: kernel-infoleak in vmci_host_unlocked_ioctl (3) Author: lizhi.xu@windriver.com #syz test diff --git a/drivers/misc/vmw_vmci/vmci_context.c b/drivers/misc/vmw_vmci/vmci_context.c index f22b44827e92..e8c58c3993c3 100644 --- a/drivers/misc/vmw_vmci/vmci_context.c +++ b/drivers/misc/vmw_vmci/vmci_context.c @@ -245,7 +245,7 @@ static int ctx_fire_notification(u32 context_id, u32 priv_flags) array_size = vmci_handle_arr_get_size(subscriber_array); for (i = 0; i < array_size; i++) { int result; - struct vmci_event_ctx ev; + struct vmci_event_ctx ev = {0}; ev.msg.hdr.dst = vmci_handle_arr_get_entry(subscriber_array, i); ev.msg.hdr.src = vmci_make_handle(VMCI_HYPERVISOR_CONTEXT_ID,