Re: [BUG][PATCH v3] crypto: arm64: Use x16 with indirect branch to bti_c
From: Mark Brown <broonie@kernel.org>
Date: 2020-10-06 16:40:48
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linux-crypto, lkml
On Tue, Oct 06, 2020 at 11:33:26AM -0500, Jeremy Linton wrote:
The AES code uses a 'br x7' as part of a function called by a macro. That branch needs a bti_j as a target. This results in a panic as seen below. Using x16 (or x17) with an indirect branch keeps the target bti_c.
Reviewed-by: Mark Brown <broonie@kernel.org>