Re: [syzbot ci] Re: mm: Make per-VMA locks available in all builds

From: Dave Hansen

Date: Thu Apr 30 2026 - 13:03:34 EST


On 4/30/26 00:55, syzbot ci wrote:
> and found the following issue:
> WARNING in mbind_range
>
> Full report is available here:
> https://ci.syzbot.org/series/374f338e-4b3b-4645-871c-78964f944bbd
>
> ***
>
> WARNING in mbind_range

I left a whole bunch of #ifdef CONFIG_PER_VMA_LOCK cruft around in v1. I
suspect some of the debugging code ended up in a weird state in a config
that I didn't test.

I'll try to reproduce this splat, though. It looks straightforward enough.