Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-10 14:11:52 +00:00
Code Issues Packages Projects Releases Wiki Activity

VFIO fix for v6.4-rc4

Browse Source 
- Test for and return error for invalid pfns through the pin pages
    interface. (Yan Zhao)
 -----BEGIN PGP SIGNATURE-----
 
 iQJPBAABCAA5FiEEQvbATlQL0amee4qQI5ubbjuwiyIFAmRxEkgbHGFsZXgud2ls
 bGlhbXNvbkByZWRoYXQuY29tAAoJECObm247sIsi7OwP/RLQRC9fWJwJYAg+owh5
 ExpvVvNUH+2wGKH63rjUNdfIClOG1ScvTKb6InDJYpiOuJw05T/9PAZQNUTEbFn3
 /hQe7SRtpeylRAL5mG+q0hP8ZSuACVwB3Zi10kggfdEsEd47+CyhciJfPSbMtNU5
 onyK19z8MBXtEy64r5rMISRTuaY5zBBzQ5PrOMDsucKoNr8d0EOionIuisDQws9Z
 n5lSziCA9ie7EJAo94PYR4hVTEGBXWFWJp4T8RXPKJWw93cYvidIoPsspIW+tV+5
 MXkxBDULm9y0fX9y1d04RCK2LRIRefmRx9Oa5gWKK7EFU0rrW3Uh2bScQiDj9jn8
 qTsbQ2vC2/NlHrNIiQx817cIbPosGp8TeAWdbg3elM6aUTeMD0KslNo9Rj7CXxi9
 GWPZYb4O4BiggR5evw9e3dC8iKrP76wuUKvXOtwXpBQ9ScbMnhpUVZQNe21K+wtu
 hjBYgI+SdqSMgulbBuXRJ2u/hSAA0ybGprR3oyfA8ekZBP6tbG88CRmEvrEvV3IQ
 +dMasXL08m4zvjT6Ka1BD+RPfq7r+VoX66g0+IeVCS3/LG45lYCl9wxfU2NLbWnR
 bufIVqOtyZ+HQIugtUI4DxiBjXyOsbdmYaiDHKnyhDjWwdk0nIvBAU/VG5yCjgBL
 nt1um8xoXemjzuYZfl4s6Y6g
 =0s58
 -----END PGP SIGNATURE-----

Merge tag 'vfio-v6.4-rc4' of https://github.com/awilliam/linux-vfio

Pull VFIO fix from Alex Williamson:

 - Test for and return error for invalid pfns through the pin pages
   interface (Yan Zhao)

* tag 'vfio-v6.4-rc4' of https://github.com/awilliam/linux-vfio:
  vfio/type1: check pfn valid before converting to struct page
This commit is contained in:
Linus Torvalds 2023-05-26 15:57:14 -07:00
commit 8846af7547
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/vfio/vfio_iommu_type1.c
View File

@ -860,6 +860,11 @@ static int vfio_iommu_type1_pin_pages(void *iommu_data,
if (ret)
goto pin_unwind;
if (!pfn_valid(phys_pfn)) {
ret = -EINVAL;
goto pin_unwind;
}
ret = vfio_add_to_pfn_list(dma, iova, phys_pfn);
if (ret) {
if (put_pfn(phys_pfn, dma->prot) && do_accounting)