linux-kernel - Re: [PATCH] Fix oops in NFS

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Message-ID: <1094259.1704449575@warthog.procyon.org.uk>
Date: Fri, 05 Jan 2024 10:12:55 +0000
From: David Howells <dhowells@...hat.com>
To: Matthew Wilcox <willy@...radead.org>
Cc: dhowells@...hat.com, Nathan Chancellor <nathan@...nel.org>,
    Anna Schumaker <Anna.Schumaker@...app.com>,
    Trond Myklebust <trond.myklebust@...merspace.com>,
    Jeff Layton <jlayton@...nel.org>, Steve French <smfrench@...il.com>,
    Marc Dionne <marc.dionne@...istor.com>,
    Paulo Alcantara <pc@...guebit.com>,
    Shyam Prasad N <sprasad@...rosoft.com>, Tom Talpey <tom@...pey.com>,
    Dominique Martinet <asmadeus@...ewreck.org>,
    Eric Van Hensbergen <ericvh@...nel.org>,
    Ilya Dryomov <idryomov@...il.com>,
    Christian Brauner <christian@...uner.io>, linux-cachefs@...hat.com,
    linux-afs@...ts.infradead.org, linux-cifs@...r.kernel.org,
    linux-nfs@...r.kernel.org, ceph-devel@...r.kernel.org,
    v9fs@...ts.linux.dev, linux-fsdevel@...r.kernel.org,
    linux-mm@...ck.org, netdev@...r.kernel.org,
    linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Fix oops in NFS

Matthew Wilcox <willy@...radead.org> wrote:

> This commit (100ccd18bb41 in linux-next 20240104) is bad for me.  After
> it, running xfstests gives me first a bunch of errors along these lines:
> 
> 00004 depmod: ERROR: failed to load symbols from /lib/modules/6.7.0-rc7-00037-g100ccd18bb41/kernel/fs/gfs2/gfs2.ko: Exec format error
> 00004 depmod: ERROR: failed to load symbols from /lib/modules/6.7.0-rc7-00037-g100ccd18bb41/kernel/fs/zonefs/zonefs.ko: Exec format error
> 00004 depmod: ERROR: failed to load symbols from /lib/modules/6.7.0-rc7-00037-g100ccd18bb41/kernel/security/keys/encrypted-keys/encrypted-keys.ko: Exec format error
> 
> and then later:
> 
> 00016 generic/001       run fstests generic/001 at 2024-01-05 04:50:46
> 00017 [not run] this test requires a valid $TEST_DEV
> 00017 generic/002       run fstests generic/002 at 2024-01-05 04:50:46
> 00017 [not run] this test requires a valid $TEST_DEV
> 00017 generic/003       run fstests generic/003 at 2024-01-05 04:50:47
> 00018 [not run] this test requires a valid $SCRATCH_DEV
> ...
> 
> so I think that's page cache corruption of some kind.

Is that being run on NFS?  Is /lib on NFS?

David