From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) (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 E155A2F2E for ; Fri, 20 Jun 2025 01:03:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750381388; cv=none; b=JCDyfaj7+yv8Hup+eILxfrjVB35W7tKcMRTDqtE7PkLUriz0UryXVQx7/EgE4W99DnAhMHbbhODehNBsPYlLXKlccf6FmOXqMf7FpLhEAnR8hpEhs1QCCgvi+oPLJkqDVVSnoGc5kFCfSlQheMfhq1YC+jx/RYB0iLwVzOxJbn0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750381388; c=relaxed/simple; bh=2c/vJaW+171fgL3caWJoyLPvSgz/ccsa48tvrkMMnp8=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=kFXTLLVjfXOGgZ+Ttclwg4m3qegvn0wOHy+dA+g+Gg1+xmGf3gx7YEVGX+2OUxjcVwwND2OM+4NsvXXR9mFjro8k5KS7po2nlUdzQq7+VGA7jcmdH3qEX1c8/yamwCn8RVx8TzdJOiTFpe6Cebt0dd6FDt7HcwmOY4YMM8u2bhY= 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=209.85.166.70 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-f70.google.com with SMTP id ca18e2360f4ac-86cf306fc68so231113839f.3 for ; Thu, 19 Jun 2025 18:03:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750381385; x=1750986185; 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=i5J7ba5hUuqmYXm8j+n1MWcxRGCM+HuokHSDcxyja/Y=; b=bjYPxn6BCIQfcKcOuohJUTjPM6XbcFwl2pnjt+f2Xv9nIpxAlK114PjT2WniqlC8va X0qOgqRY4VfQJsHYd96baYvX9aFqRv3njIMRDBIn5PjepWqkponpv7vw5P6ppYEfrB8m pg74A4ZQqHOk1D45a5SHvupYq1u8XAqJJu5AEFyMr3a/P37e70inhMzUoMdZu1StUg54 1K1VxIDR4SJ5WUC5BR+FW3gSWKGyp/SJS4YtrfwDKAag8FoirixPDlUjQtVPs2DnxbKm 1U4NQVQG6tFYHdM+uI20dP65/UyZvhBQEyWm3psotC/Q0Eo+i/44Lopms+gH7JcepqCh 2wYw== X-Gm-Message-State: AOJu0YzU+R1sxvBuedFJT/5tbyVJZTZunUE+cwr+iA59MukdcUAJeUjX 6Dx9B2m6cTPJ+rsOq0qPBFwf0AoTan+d3C6mQyznllxu7TYvD93MtohUdxC2y3jKlkrOZo8/eWW Kx9aPHQeYtAym55nTFnNiL3gaU3ipPdpItfcLSbDyDg5Py8KHLR0ENuD2RiI= X-Google-Smtp-Source: AGHT+IHarrBpz7y9uocpwIiM/HI9cpo4+GPRjHYg/LWC5CDY4O+2/6rbhwmuwC0q/7DZzqZ0jrTMAwABW/+lZGMc83QYPUT0TUXh Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:221e:b0:3dd:d6c0:cccd with SMTP id e9e14a558f8ab-3de38ca54bemr9316705ab.13.1750381385093; Thu, 19 Jun 2025 18:03:05 -0700 (PDT) Date: Thu, 19 Jun 2025 18:03:05 -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: <6854b349.a00a0220.137b3.0026.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..fe0f18a0fb63 100644 --- a/drivers/misc/vmw_vmci/vmci_context.c +++ b/drivers/misc/vmw_vmci/vmci_context.c @@ -314,7 +314,7 @@ int vmci_ctx_enqueue_datagram(u32 cid, struct vmci_datagram *dg) } /* Allocate guest call entry and add it to the target VM's queue. */ - dq_entry = kmalloc(sizeof(*dq_entry), GFP_KERNEL); + dq_entry = kzalloc(sizeof(*dq_entry), GFP_KERNEL); if (dq_entry == NULL) { pr_warn("Failed to allocate memory for datagram\n"); vmci_ctx_put(context);