From: Nicolin Chen <nicolinc@nvidia.com>
To: Yi Liu <yi.l.liu@intel.com>
Cc: <jgg@nvidia.com>, <kevin.tian@intel.com>,
<baolu.lu@linux.intel.com>, <iommu@lists.linux.dev>
Subject: Re: [PATCH 1/2] iommufd: Initialize the flags of vevent in iommufd_viommu_report_event()
Date: Mon, 24 Mar 2025 07:04:56 -0700 [thread overview]
Message-ID: <Z+FmiNT9Y6STqdQp@nvidia.com> (raw)
In-Reply-To: <20250324120034.5940-2-yi.l.liu@intel.com>
On Mon, Mar 24, 2025 at 05:00:33AM -0700, Yi Liu wrote:
> The vevent->header.flags is not initialized per allocation, hence the
> vevent read path may treat the vevent as lost_events_header wrongly.
> Use kzalloc() to alloc memory for new vevent.
>
> Fixes: e8e1ef9b77a7 ("iommufd/viommu: Add iommufd_viommu_report_event helper")
> Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Thanks!
next prev parent reply other threads:[~2025-03-24 14:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-24 12:00 [PATCH 0/2] Two fixes to vevent path Yi Liu
2025-03-24 12:00 ` [PATCH 1/2] iommufd: Initialize the flags of vevent in iommufd_viommu_report_event() Yi Liu
2025-03-24 14:04 ` Nicolin Chen [this message]
2025-03-24 12:00 ` [PATCH 2/2] iommufd: Balance veventq->num_events inc/dec Yi Liu
2025-03-24 14:07 ` Nicolin Chen
2025-03-25 13:35 ` [PATCH 0/2] Two fixes to vevent path Jason Gunthorpe
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