(subset) [PATCH v2 0/5] POE sigreturn fix and extra tests

[Catalin Marinas]

On Mon, 27 Apr 2026 13:03:32 +0100, Kevin Brodsky wrote:
> Commit 2e8a1acea859 ("arm64: signal: Improve POR_EL0 handling to
> avoid uaccess failures") introduced special handling for EL0 registers
> that impact uaccess. This did not however handle the case where a signal
> handler removes the relevant record (poe_context for POE) from the
> signal frame; this is clearly not typical behaviour but it is legal.
> That commit resulted in arbitrary data from the kernel stack being
> written to POR_EL0 in that case.
> 
> [...]

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

[1/5] arm64: signal: Preserve POR_EL0 if poe_context is missing
      https://git.kernel.org/arm64/c/030e8a40fff6

Will, if any objections, please shout.

-- 
Catalin