linux-6.19-rc4/kernel/kexec_core.c:425: Possible loss of data ?

David Binderman dcb314 at hotmail.com
Thu Jan 8 00:42:43 PST 2026


Hello there,

>We may not need to worry about it. In all places where
>kimage_alloc_control_pages is called, the order is 0 or
>get_order(KEXEC_CONTROL_PAGE_SIZE) on mips which is 2.

Thanks for the update.

>That is fine if people is worried, a patch is welcome.

Since my kernel patch success rate is 0.0 % (approx) I will avoid doing this.
Might be worth an assert that the value is in range [0..30].

Regards

David Binderman



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