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![]() (There's a lot more in the pipe): - Prevent corruption of the XSTATE buffer in signal handling by validating what is being copied from userspace first. - Invalidate other task's preserved FPU registers on XRSTOR failure (#PF) because latter can still modify some of them. - Restore the proper PKRU value in case userspace modified it - Reset FPU state when signal restoring fails Other: - Map EFI boot services data memory as encrypted in a SEV guest so that the guest can access it and actually boot properly - Two SGX correctness fixes: proper resources freeing and a NUMA fix -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmDO5vQACgkQEsHwGGHe VUrUjw//fRU8BPZ3/SWNQO188QhHdFpm3jqtjRJsZD1FfnnLdxIg2SCP4RjFxv+Y eFyN0nYLekG8a3CMV081H9Rhr5tt3bflk0oTcGAar7m2qQiCiqaAH0wptIlQonSu nQCSs+PeaaK4nRCtW+TUJnwG0ZU/y7fEXa3pxJ6hSMnxZjz3lj70zKhpA1nQtqRZ OOStvBNtaWcDdTTE4r8XuFIxuMUUEuwHlQQmkAVHQYUf6vxGYfnDYEg83Wddvq1E 1leSRNFlLcCAbPUV/fax3KGvaekeJ1U411uWqXlain6m105+mk+irmrLxtur/lJ5 cWTVb5CbIHFZnJvC5jzNPv/03GbIIQaVm4jPI2qB1AZbjcVlAPKj1Ne+U1fzvmDT wNUob/rnIXiGptvtUMNYGURxBTj65Nnom3iAJV+AdMOThDwYMvsJJjFkMnC5wO2n ZAexumWPnUzWoxSMTraT7a6b/kilFUrcPljxSrFd9yVeU8E6a1OSW35oWoQ3itrc xx/ne8RodLmCPC9DjecFcQR+qUuXsF+XCCj07QpfKNTAObr17e9nsKJneR6MX79C Lpc7Ka/CiTGYcebWX7tqtjwGPfa6iqekswxYRRp7j54bQ4sHmKyordZy0Q8+c079 gmMlPdNbqQg3YwHyXW2yeJETDS1HBp61RRojAP15BsL73wyYQNE= =AuXr -----END PGP SIGNATURE----- Merge tag 'x86_urgent_for_v5.13_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Borislav Petkov: "A first set of urgent fixes to the FPU/XSTATE handling mess^W code. (There's a lot more in the pipe): - Prevent corruption of the XSTATE buffer in signal handling by validating what is being copied from userspace first. - Invalidate other task's preserved FPU registers on XRSTOR failure (#PF) because latter can still modify some of them. - Restore the proper PKRU value in case userspace modified it - Reset FPU state when signal restoring fails Other: - Map EFI boot services data memory as encrypted in a SEV guest so that the guest can access it and actually boot properly - Two SGX correctness fixes: proper resources freeing and a NUMA fix" * tag 'x86_urgent_for_v5.13_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm: Avoid truncating memblocks for SGX memory x86/sgx: Add missing xa_destroy() when virtual EPC is destroyed x86/fpu: Reset state for all signal restore failures x86/pkru: Write hardware init value to PKRU when xstate is init x86/process: Check PF_KTHREAD and not current->mm for kernel threads x86/fpu: Invalidate FPU state after a failed XRSTOR from a user buffer x86/fpu: Prevent state corruption in __fpu__restore_sig() x86/ioremap: Map EFI-reserved memory as encrypted for SEV |
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