Re: [PATCH v2] ASoC: tas2781: reject too-short writes to acoustic_ctl debugfs

From: Mark Brown

Date: Tue May 12 2026 - 21:34:51 EST


On Tue, May 12, 2026 at 11:55:35PM +0800, Yi Yang wrote:
> The acoustic_ctl_write debugfs handler allocates a buffer via
> memdup_user(from, count) but only validates that count is not too
> large. It then accesses src[0] through src[6] without ensuring
> count >= 7.

This doesn't apply against current code, please check and resend.

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