[PATCH v2 0/3] rtc: ftrtc010: fix resource management and integer overflow

[liudalin]

在 2026/9/14 16:38, Linus Walleij 写道:
> On Thu, Aug 27, 2026 at 10:03 AM Liu Dalin <liudalin at kylinsec.com.cn> wrote:
>
>> This series fixes three issues in the Faraday FTRTC010 RTC driver
>> found by Sashiko AI static analysis:
>>
>> Patch 1: Fixes a clock resource leak when devm_rtc_register_device()
>> fails in ftrtc010_rtc_probe().
>>
>> Patch 2: Replaces manual clock management with devm APIs to fix a
>> use-after-disable vulnerability in ftrtc010_rtc_remove(). The RTC
>> device is registered via devm_rtc_register_device() but clocks are
>> manually disabled in .remove() before devres cleanup, creating a
>> window where MMIO reads on clock-gated hardware can cause a
>> synchronous external abort.
>>
>> Patch 3: Fixes integer overflow in ftrtc010_rtc_read_time() and
>> ftrtc010_rtc_set_time() where u32 arithmetic wraps for dates
>> beyond year 2106.
>>
>> All three patches are based on v7.2-rc2 and have been verified
>> with checkpatch.pl --strict.
> All patches:
> Reviewed-by: Linus Walleij <linusw at kernel.org>
>
> Maybe they need rebasing on v7.3-rc1 or maybe they will just
> apply cleanly (I think so).
>
> Yours,
> Linus Walleij
Hi Linus,

Confirmed: all three patches apply cleanly on v7.3-rc2 using git am.

Tested-by: Liu Dalin <liudalin at kylinsec.com.cn>