linux-kernel - Re: [PATCH v8 12/14] mm: zswap: Simplify acomp_ctx resource allocation/deletion and mutex lock usage.

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Message-ID: <CAKEwX=P39kvB9Ei1xt+iOcDRMr32=ujGiKKa=e947k0MyJ7xZA@mail.gmail.com>
Date: Sun, 20 Apr 2025 16:35:44 -0700
From: Nhat Pham <nphamcs@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: "Sridhar, Kanchana P" <kanchana.p.sridhar@...el.com>, Yosry Ahmed <yosry.ahmed@...ux.dev>, 
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-mm@...ck.org" <linux-mm@...ck.org>, 
	"hannes@...xchg.org" <hannes@...xchg.org>, "chengming.zhou@...ux.dev" <chengming.zhou@...ux.dev>, 
	"usamaarif642@...il.com" <usamaarif642@...il.com>, "ryan.roberts@....com" <ryan.roberts@....com>, 
	"21cnbao@...il.com" <21cnbao@...il.com>, 
	"ying.huang@...ux.alibaba.com" <ying.huang@...ux.alibaba.com>, 
	"linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>, 
	"herbert@...dor.apana.org.au" <herbert@...dor.apana.org.au>, "davem@...emloft.net" <davem@...emloft.net>, 
	"clabbe@...libre.com" <clabbe@...libre.com>, "ardb@...nel.org" <ardb@...nel.org>, 
	"ebiggers@...gle.com" <ebiggers@...gle.com>, "surenb@...gle.com" <surenb@...gle.com>, 
	"Accardi, Kristen C" <kristen.c.accardi@...el.com>, 
	"Feghali, Wajdi K" <wajdi.k.feghali@...el.com>, "Gopal, Vinodh" <vinodh.gopal@...el.com>, m95d@...hoexpert.ro
Subject: Re: [PATCH v8 12/14] mm: zswap: Simplify acomp_ctx resource
 allocation/deletion and mutex lock usage.

On Sun, Apr 20, 2025 at 2:01 PM Andrew Morton <akpm@...ux-foundation.org> wrote:
>
>
> https://bugzilla.kernel.org/show_bug.cgi?id=220035 might be related to
> this patchset?

The bug report is a bit confusing to me. The dmesg trace says the
kernel version is 6.14, but the reporter says the bisected broken
commit is one of the 6.15-rc1 merge requests?

Anyhow, this looks like a crypto/compression infra bug. Herbert, does
this ring any bell for you?