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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?Gv71zfAm/uaWhWQDN4Sr3d+akp/f0Kb3tYKQIX6r/NqbglWC38cjSY3oyvLf?= =?us-ascii?Q?vKT3tN/Bi1jaV1tHc11PAyGVj9/bdQ/Z3lcXgZQ++Jz1x5aQLxW8rl7TiaBl?= =?us-ascii?Q?UDLeMipV4IwvJkLieiAO1ktT+m+iCpUrXi5cERpw/pZQmEWJ6oHljHVenEHN?= =?us-ascii?Q?oju90PCa+ISDoAiDg9Av+ckQx7GbK6PHoZqE0UyVF7sT7DaeYeEMSEA3/j9O?= =?us-ascii?Q?5OwAAmXNCQy1H7sr6YWB07a+GkDrRn4jGqtAslweq25Z8M0Fx8nw4FC8b5AZ?= =?us-ascii?Q?vqU3dHqS6eCudbjOnYlReixdcjil9QIp2nbNsgweAITwFoaZT1+4bFOZWlGj?= =?us-ascii?Q?yeSUiCoQoxvgx013zNM1Ei1l4Pb+bkhn4ko8sTMAO2/Aa6pB4h14krdOWuzi?= =?us-ascii?Q?CRth7EG43wfMIdglfIjWI8AYqtVeWYm1vyJ9uo46+DoTLmBPhcY5RuesY/Uc?= =?us-ascii?Q?AnemCl3puiVS/OQ2ieZLAB95TOgu7M27XiRn6TaWaU8pQNj7gcCwWUbtfX4Y?= =?us-ascii?Q?3vp6rOFM8+0gljKcPyqg/s2AkSlx8mThsqF+R8BlgfFoyEtIxBVR/6JrLFcP?= =?us-ascii?Q?cZ/9KNsbyLPUefahN3Wkx/XChFy30lOntkprnl4obion7D92a6FhMsiUMYy0?= =?us-ascii?Q?hnJ50zPecQCHJ6NIKCyDn1NF4mCgSnk3GJvQpd3G2+36Xlfnph7DUF2XwgdS?= =?us-ascii?Q?YX/5nai3WOs+MOvdbYLvVs8KZitxvRia7Vh71Zp67AUbynED5VqUWt69ZDjO?= =?us-ascii?Q?qyCVyiA9Kys3Lqde1xxL33V4YuRMZQK+++l4OgbaGFzGfuQxRVcTOY2mZhLz?= =?us-ascii?Q?fTpe09BKkdw2LnqOpiBu6C2ukjd8YnudkMWj7GxLOQ7kwImf7hoL4filyYpb?= =?us-ascii?Q?/Y0b29dzs6BkEJNQP3Uzt+qxDuRHVPO01WiXRnQI4cr2l5Ctx1KI9QimhRWt?= =?us-ascii?Q?LTvzKN2OR2fgSAV1qHgIzrisVfvLhDDbxYVKDB8C3WRPFIHiaHxVRIcwzOFZ?= =?us-ascii?Q?WLziEOYBePb5WgnfN1Ve0U2Y7NmXUQKXThCLqAXgwG3YPrYwz3IIn7+FJa6a?= =?us-ascii?Q?DSjdydcl0bBGxr1Hjzv5jl0+u0v20cdb82sBxwOmaMvTfXKQihBdBDs5BveB?= =?us-ascii?Q?oWIIPxUMBJybQsxJ55JwYGy4RSIBeHIFFCQDMFI8E6gilTW6RQZmMdiyzZ5X?= =?us-ascii?Q?eOZKWB0hE5aZTeWOi5qpDLaT2tU5bdCVByZ+BBg3AxXpdp+3vWEfQLMMZQNe?= =?us-ascii?Q?nA1p0injVlKlkkUtHpMIk2RvlNLBv3ci4kBT9kjK4s5R9APl9lENbwDjVsY5?= =?us-ascii?Q?WgNoc7qKDWQ7dWHHh7gg04R7vWKXTKcnt99UWaBK14Jt+c8xtB5YlVBqkmUw?= =?us-ascii?Q?LEJzGKMnJX/jRskfxCujLWYzx6Cltq82ld18IbOK6tt1zZr7eHYotia9tYGC?= =?us-ascii?Q?uKwElO//81P1U7f65+cS9yKYoPbLVMEzwRC1nmzrq9p6/qbXBrXBeFLnLPO7?= =?us-ascii?Q?pbMda0W+S6ha2W5vOpadgVKLkrRk1CFJ4vcayKzaXMiTOm7hkkXHA2nT1t6i?= =?us-ascii?Q?ZBtfvgIGaRoM9vBDJtGS3yvG7GfIrBNT6XXf3Ka4?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 67a4f113-c46e-4346-34d7-08db70e2f143 X-MS-Exchange-CrossTenant-AuthSource: LV2PR12MB5869.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Jun 2023 16:33:41.8334 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: T4KS21zwhgw1x7tl6pfKHOrjaPhlCMEKPTjcTac+Ox42JsqzfNM80ndzFi8gbioG X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR12MB8370 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 01, 2023 at 10:05:05AM -0700, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 58390c8ce1bd Merge tag 'iommu-updates-v6.4' of git://git.k.. > git tree: upstream > console+strace: https://syzkaller.appspot.com/x/log.txt?x=171c01f8280000 > kernel config: https://syzkaller.appspot.com/x/.config?x=d56ffc213bf6bf4a > dashboard link: https://syzkaller.appspot.com/bug?extid=94646b0ed2dcbb1f9c2f > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16310d5fc80000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=168c5330280000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/51c43e265c8a/disk-58390c8c.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/7c64f4eeaf4d/vmlinux-58390c8c.xz > kernel image: https://storage.googleapis.com/syzbot-assets/e5d8f49c4804/bzImage-58390c8c.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+94646b0ed2dcbb1f9c2f@syzkaller.appspotmail.com > > ------------[ cut here ]------------ > WARNING: CPU: 1 PID: 5005 at drivers/iommu/iommufd/selftest.c:762 iommufd_test_check_pages drivers/iommu/iommufd/selftest.c:762 [inline] > WARNING: CPU: 1 PID: 5005 at drivers/iommu/iommufd/selftest.c:762 iommufd_test_access_pages drivers/iommu/iommufd/selftest.c:831 [inline] > WARNING: CPU: 1 PID: 5005 at drivers/iommu/iommufd/selftest.c:762 iommufd_test+0x1bed/0x2c20 drivers/iommu/iommufd/selftest.c:964 #syz dup: WARNING in iommufd_test_check_pages