From: "Theodore Ts'o" <tytso@mit.edu>
To: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Paul Cercueil <paul@crapouillou.net>,
vbabka@suse.cz, 42.hyeyoo@gmail.com, akpm@linux-foundation.org,
catalin.marinas@arm.com, cl@linux.com, iamjoonsoo.kim@lge.com,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
penberg@kernel.org, rientjes@google.com, rkovhaev@gmail.com,
roman.gushchin@linux.dev, willy@infradead.org
Subject: Re: Deprecating and removing SLOB
Date: Wed, 9 Nov 2022 23:40:13 -0500 [thread overview]
Message-ID: <Y2yArTbOpKd6ASkd@mit.edu> (raw)
In-Reply-To: <20221109234832.GE307514@darkstar.musicnaut.iki.fi>
On Thu, Nov 10, 2022 at 01:48:32AM +0200, Aaro Koskinen wrote:
>
> Some of the reported SLOB issues have been actually real driver bugs,
> that go unnoticed when SLUB/SLAB are used (unless perhaps debug stuff
> is enabled). I'm not saying kernel should keep SLOB, but it's good at
> failing early when there is a bug. See e.g. commit 120ee599b5bf ("staging:
> octeon-usb: prevent memory corruption")
Out of curiosity, are these bugs that would have been found using
KASAN or some of the other kernel sanitizers and/or other debugging
tools we have at our disposal?
- Ted
next prev parent reply other threads:[~2022-11-10 4:41 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-09 20:56 Deprecating and removing SLOB Paul Cercueil
2022-11-09 21:39 ` Linus Torvalds
2022-11-09 23:48 ` Aaro Koskinen
2022-11-09 23:51 ` Aaro Koskinen
2022-11-10 4:40 ` Theodore Ts'o [this message]
2022-11-10 7:31 ` Vlastimil Babka
2022-11-10 7:54 ` Feng Tang
2022-11-10 16:20 ` Matthew Wilcox
2022-11-11 9:37 ` David Laight
-- strict thread matches above, loose matches on Subject: below --
2022-11-08 15:55 Vlastimil Babka
2022-11-08 18:18 ` Christophe Leroy
2022-11-08 19:17 ` Andrew Morton
2022-11-08 18:46 ` Roman Gushchin
2022-11-08 20:13 ` Yosry Ahmed
2022-11-09 9:09 ` Vlastimil Babka
2022-11-08 21:44 ` Pasha Tatashin
2022-11-09 9:00 ` Vlastimil Babka
2022-11-09 15:50 ` Aaro Koskinen
2022-11-09 16:45 ` Geert Uytterhoeven
2022-11-09 17:45 ` Mike Rapoport
2022-11-09 21:16 ` Janusz Krzysztofik
2022-11-09 17:57 ` Conor.Dooley
2022-11-09 23:00 ` Damien Le Moal
2022-11-11 10:25 ` Vlastimil Babka
2022-11-12 1:40 ` Damien Le Moal
2022-11-11 10:33 ` Vlastimil Babka
2022-11-11 20:46 ` Conor Dooley
2022-11-12 1:40 ` Damien Le Moal
2022-11-14 1:55 ` Damien Le Moal
2022-11-14 5:48 ` Damien Le Moal
2022-11-14 9:36 ` Vlastimil Babka
2022-11-14 11:35 ` Damien Le Moal
2022-11-14 14:47 ` Hyeonggon Yoo
2022-11-15 4:24 ` Damien Le Moal
2022-11-15 4:28 ` Damien Le Moal
2022-11-16 7:57 ` Matthew Wilcox
2022-11-16 8:02 ` Damien Le Moal
2022-11-16 17:51 ` Vlastimil Babka
2022-11-17 0:22 ` Damien Le Moal
2022-11-21 4:30 ` Damien Le Moal
2022-11-21 17:02 ` Vlastimil Babka
2022-11-14 11:50 ` Hyeonggon Yoo
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