Re: [PATCH 1/2] arm64/fpsimd: ptrace: Fix inactive SVE and SSVE regsets
Will Deacon <[email protected]> Sun, 2 Aug 2026 13:12:25 +0100
| Newsgroups | org.kernel.vger.linux-kselftest,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
On Wed, 29 Jul 2026 02:42:54 +0200, Karl Mehltretter wrote:
> sve_init_header_from_task() takes header as a pointer, so for the
> inactive mode
>
> header->size = sizeof(header);
>
> stores 8 rather than sizeof(struct user_sve_header), which is 16.
> Userspace sees an impossible size smaller than the header it
> describes.
>
> [...]
Applied fix to arm64 (for-next/ptrace), thanks!
[1/2] arm64/fpsimd: ptrace: Fix inactive SVE and SSVE regsets
https://git.kernel.org/arm64/c/c3f83d021162
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev