Re: [PATCH v3 2/2] liveupdate: initialize incoming FLB state before finish

From: Leo Timmins

Date: Sat Apr 04 2026 - 11:44:05 EST


Hello All,

> Apologies for the duplicate email, I had accidentally sent it out with html instead of plain text.

I have done my testing of Pratyush's alternate patch. My tests
indicate it successfully fixes the potential underflow if
incoming.count is <= 0

Patch successfully compiles with 7.0.0-rc6 and has been tested on a VM
(QEMU + VMM) with Arch.

I executed a liveupdate with kexec which was successful. I then wrote
a test tool to replicate the underflow conditions, and added a check
to see if incoming.count is <= 0 after the if statement block

Having confirmed it works:

Reviewed-by: Leo Timmins <leotimmins1974@xxxxxxxxx>

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