Re: [syzbot] [kernel?] linux-next test error: WARNING: locking bug in change_page_attr_set_clr

Borislav Petkov <[email protected]> Tue, 21 Jul 2026 06:53:23 -0700
Newsgroups org.kernel.vger.linux-next,org.kernel.vger.linux-kernel
Message-ID <20260721135323.GAal9504VvxYHpcPtd@fat_crate.local>
On Tue, Jul 21, 2026 at 01:39:45PM +0100, Lorenzo Stoakes (ARM) wrote:
> OK so this is a screw up with merging.
> 
> Two fixes are applied at once here and they are NOT compatible :)
> 
> Denis's ([0]) holds a spin lock over the operation during which an older
> revision of mine ([1] - current, probable next revision [2]) tries to take a
> sleeping mmap lock, hence the report.

Lemme guess: if those were merged by the same tree - tip - where arch/x86/
changes belong, we would've caught it, right?

Pff.

-- 
Regards/Gruss,
    Boris.

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