CVE-2021-47410

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> drm/amdkfd: fix svm_migrate_fini warning<br /> <br /> Device manager releases device-specific resources when a driver<br /> disconnects from a device, devm_memunmap_pages and<br /> devm_release_mem_region calls in svm_migrate_fini are redundant.<br /> <br /> It causes below warning trace after patch "drm/amdgpu: Split<br /> amdgpu_device_fini into early and late", so remove function<br /> svm_migrate_fini.<br /> <br /> BUG: https://gitlab.freedesktop.org/drm/amd/-/issues/1718<br /> <br /> WARNING: CPU: 1 PID: 3646 at drivers/base/devres.c:795<br /> devm_release_action+0x51/0x60<br /> Call Trace:<br /> ? memunmap_pages+0x360/0x360<br /> svm_migrate_fini+0x2d/0x60 [amdgpu]<br /> kgd2kfd_device_exit+0x23/0xa0 [amdgpu]<br /> amdgpu_amdkfd_device_fini_sw+0x1d/0x30 [amdgpu]<br /> amdgpu_device_fini_sw+0x45/0x290 [amdgpu]<br /> amdgpu_driver_release_kms+0x12/0x30 [amdgpu]<br /> drm_dev_release+0x20/0x40 [drm]<br /> release_nodes+0x196/0x1e0<br /> device_release_driver_internal+0x104/0x1d0<br /> driver_detach+0x47/0x90<br /> bus_remove_driver+0x7a/0xd0<br /> pci_unregister_driver+0x3d/0x90<br /> amdgpu_exit+0x11/0x20 [amdgpu]