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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Jul 2025 18:10:46.0401 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 112fc91a-7ce4-40ec-63d7-08ddc6266afc X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SA2PEPF00003AE6.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB8519 On Thu, Jul 17, 2025 at 04:15:07PM -0300, Jason Gunthorpe wrote: > Syzkaller found this, the ALIGN() call can overflow and corrupt the > allocation process. Fix the bug and add some test coverage. > > Signed-off-by: Jason Gunthorpe > > Jason Gunthorpe (2): > iommufd: Prevent ALIGN() overflow > iommufd/selftest: Test reserved regions near ULONG_MAX With the SKIP in PATCH-2: Tested-by: Nicolin Chen