linux-kernel - Re: [PATCH 6.18 000/198] 6.18.7-rc1 review

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Message-ID: <392ccce0-4042-47ac-abdd-d1ed830ea27d@sirena.org.uk>
Date: Thu, 22 Jan 2026 18:15:12 +0000
From: Mark Brown <broonie@...nel.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: stable@...r.kernel.org, patches@...ts.linux.dev,
	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org,
	patches@...nelci.org, lkft-triage@...ts.linaro.org, pavel@...x.de,
	jonathanh@...dia.com, f.fainelli@...il.com,
	sudipm.mukherjee@...il.com, rwarsow@....de, conor@...nel.org,
	hargar@...rosoft.com, achill@...ill.org, sr@...dewatkins.com,
	Ryan.Roberts@....com, Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
Subject: Re: [PATCH 6.18 000/198] 6.18.7-rc1 review

On Wed, Jan 21, 2026 at 07:13:48PM +0100, Greg Kroah-Hartman wrote:

> This is the start of the stable review cycle for the 6.18.7 release.
> There are 198 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.

Tested-by: Mark Brown <broonie@...nel.org>

However:

> Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
>     tools/testing/selftests: add forked (un)/faulted VMA merge tests

These are failing for me on arm64 and I think arm (something literally
exploded in my lab so the arm bisect didn't complete yet due to the
half of the lab with that board being powered off until I get that
fixed), that in turn causes a new top level failure of the merge
selftest program but the actual failure is purely newly added tests not
working so I don't think the kernel itself is any worse than it was
before.  The tests are OK in Linus' tree so we are I guess missing a
backport?

Log:

   https://lava.sirena.org.uk/scheduler/job/2395273#L4133

# # #  RUN           merge_with_fork.forked.mremap_faulted_to_unfaulted_prev ...
# # # merge.c:1283:mremap_faulted_to_unfaulted_prev:Expected procmap->query.vma_end (281473166635008) == (unsigned long)ptr_b + offset (281473166622720)
# # # mremap_faulted_to_unfaulted_prev: Test terminated by assertion
# # #          FAIL  merge_with_fork.forked.mremap_faulted_to_unfaulted_prev
# # not ok 16 merge_with_fork.forked.mremap_faulted_to_unfaulted_prev
# # #  RUN           merge_with_fork.forked.mremap_faulted_to_unfaulted_next ...
# # # merge.c:1349:mremap_faulted_to_unfaulted_next:Expected procmap->query.vma_end (281473166635008) == (unsigned long)ptr_a + offset (281473166622720)
# # # mremap_faulted_to_unfaulted_next: Test terminated by assertion
# # #          FAIL  merge_with_fork.forked.mremap_faulted_to_unfaulted_next
# # not ok 17 merge_with_fork.forked.mremap_faulted_to_unfaulted_next
# # #  RUN           merge_with_fork.forked.mremap_faulted_to_unfaulted_prev_unfaulted_next ...
# # # merge.c:1420:mremap_faulted_to_unfaulted_prev_unfaulted_next:Expected procmap->query.vma_end (281473166647296) == (unsigned long)ptr_a + offset (281473166622720)
# # # mremap_faulted_to_unfaulted_prev_unfaulted_next: Test terminated by assertion
# # #          FAIL  merge_with_fork.forked.mremap_faulted_to_unfaulted_prev_unfaulted_next
# # not ok 18 merge_with_fork.forked.mremap_faulted_to_unfaulted_prev_unfaulted_next
# # #  RUN           merge_with_fork.forked.mremap_faulted_to_unfaulted_prev_faulted_next ...
# # # merge.c:1495:mremap_faulted_to_unfaulted_prev_faulted_next:Expected procmap->query.vma_start (281473166610432) == (unsigned long)ptr_b (281473166622720)
# # # mremap_faulted_to_unfaulted_prev_faulted_next: Test terminated by assertion
# # #          FAIL  merge_with_fork.forked.mremap_faulted_to_unfaulted_prev_faulted_next
# # not ok 19 merge_with_fork.forked.mremap_faulted_to_unfaulted_prev_faulted_next

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