Re: [PATCH] rtc: check if __rtc_read_time was successful in rtc_timer_do_work()

[Alexandre Belloni]

On Fri, 11 Oct 2024 12:31:53 +0800, Yongliang Gao wrote:
> If the __rtc_read_time call fails,, the struct rtc_time tm; may contain
> uninitialized data, or an illegal date/time read from the RTC hardware.
> 
> When calling rtc_tm_to_ktime later, the result may be a very large value
> (possibly KTIME_MAX). If there are periodic timers in rtc->timerqueue,
> they will continually expire, may causing kernel softlockup.
> 
> [...]

Applied, thanks!

[1/1] rtc: check if __rtc_read_time was successful in rtc_timer_do_work()
      https://git.kernel.org/abelloni/c/e8ba8a2bc4f6

Best regards,

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