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From: Will Deacon <will@kernel.org>
To: Catalin Marinas <catalin.marinas@arm.com>,
	Karl Mehltretter <kmehltretter@gmail.com>
Cc: kernel-team@android.com,
	Will Deacon <will@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Mark Brown <broonie@kernel.org>,
	Oleg Nesterov <oleg@redhat.com>,
	Shuah Khan <shuah@kernel.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-kselftest@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] arm64/fpsimd: ptrace: Fix inactive SVE and SSVE regsets
Date: Sun,  2 Aug 2026 13:12:25 +0100
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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