[PATCH] rtc: msc313: fix NULL deref in shared IRQ handler at probe

[Alexandre Belloni]

On Mon, 11 May 2026 08:27:03 +0500, Stepan Ionichev wrote:
> msc313_rtc_probe() calls devm_request_irq() with IRQF_SHARED and
> &pdev->dev as the cookie, but platform_set_drvdata() is only called
> later after the clock setup. With a shared IRQ line, another device
> on the same line can trigger the handler in that window. The
> handler does dev_get_drvdata() on the cookie, gets NULL, and
> dereferences priv->rtc_base in interrupt context.
> 
> [...]

Applied, thanks!

[1/1] rtc: msc313: fix NULL deref in shared IRQ handler at probe
      https://git.kernel.org/abelloni/c/a369f48be8de

Best regards,

-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com