Re: [PATCH 6.1 000/440] 6.1.103-rc3 review

[Pavel Machek]

Hi!

> This is the start of the stable review cycle for the 6.1.103 release.
> There are 440 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.

> Dmitry Safonov <0x7f454c46@xxxxxxxxx>
>     jump_label: Prevent key->enabled int overflow

In practice, this will work, but theoretically signed overflow is
undefined and this depends on undefined behaviour.

+       int v;
...
+               if (v <= 0 || (v + 1) < 0)
+                       return false;

Best regards,
								Pavel
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