[PATCH 0/3] arm64/fpsimd: State management fixes

Catalin Marinas catalin.marinas at arm.com
Thu Jan 22 02:47:24 PST 2026


On Tue, 20 Jan 2026 14:51:04 +0000, Mark Rutland wrote:
> This series fixes some issues for FPSIMD/SVE/SME state management where
> a task can be placed into an invalid state, resulting in subsequent
> problems (warnings, kernel panics).
> 
> Patch 1 addresses an issue [1] reported by syzbot, which can only occur
> on systems with SVE but not SME.
> 
> [...]

Applied to arm64 (for-next/fixes), thanks!

[1/3] arm64/fpsimd: ptrace: Fix SVE writes on !SME systems
      https://git.kernel.org/arm64/c/128a7494a9f1
[2/3] arm64/fpsimd: signal: Allocate SSVE storage when restoring ZA
      https://git.kernel.org/arm64/c/ea8ccfddbce0
[3/3] arm64/fpsimd: signal: Fix restoration of SVE context
      https://git.kernel.org/arm64/c/d2907cbe9ea0

-- 
Catalin



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