Bug#977615: arm64: memory corruption bug

From	Noah Meyerhans <noahm@debian.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#977615: arm64: memory corruption bug
Date	2020-12-17 23:00 +0100
Message-ID	<Bn9tw-81Y-13@gated-at.bofh.it> (permalink)
References	<Bn7UK-7bX-5@gated-at.bofh.it> <Bn7UK-7bX-5@gated-at.bofh.it> <Bn84p-7fO-1@gated-at.bofh.it> <Bn7UK-7bX-5@gated-at.bofh.it> <Bn84p-7fO-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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> Thanks. Pending currently with the ongoing rebase in the v4.19.y
> series in
> https://salsa.debian.org/kernel-team/linux/-/merge_requests/295 .
> 
> Just we need to check if this warrants a regression update issued
> earlier via stable-updates.

If possible, I'd vote for an release via stable-updates, and I'd be
happy to put together a merge request for such a release.

It seems that the bug is triggered during relatively uncommon
circumstances (CoW and MADVISE_FREE used together), but in places where
it is triggered, the impact is severe and there is no practical
workaround.

noah

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Bug#977615: arm64: memory corruption bug Noah Meyerhans <noahm@debian.org> - 2020-12-17 21:20 +0100
  Bug#977615: arm64: memory corruption bug Salvatore Bonaccorso <carnil@debian.org> - 2020-12-17 21:30 +0100
    Bug#977615: arm64: memory corruption bug Noah Meyerhans <noahm@debian.org> - 2020-12-17 23:00 +0100

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