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To:     linux-ext4@vger.kernel.org
Subject: [Bug 216529] [fstests generic/048] BUG: Kernel NULL pointer
 dereference at 0x00000069, filemap_release_folio+0x88/0xb0
Date:   Tue, 27 Sep 2022 18:10:58 +0000
Message-ID: <bug-216529-13602-0yTEcIGgTY@https.bugzilla.kernel.org/>
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https://bugzilla.kernel.org/show_bug.cgi?id=3D216529

--- Comment #4 from ritesh.list@gmail.com ---
On 22/09/26 01:02AM, Theodore Ts'o wrote:
> On Sun, Sep 25, 2022 at 11:55:29AM +0000, bugzilla-daemon@kernel.org wrot=
e:
> > https://bugzilla.kernel.org/show_bug.cgi?id=3D216529
> >
> >
> > Hit a panic on ppc64le, by running generic/048 with 1k block size:
>
> Hmm, does this reproduce reliably for you?  I test with a 1k block
> size on x86_64 as a proxy 4k block sizes on PPC64, where the blocksize
> < pagesize... and this isn't reproducing for me on x86, and I don't
> have access to a PPC64LE system.
>
> Ritesh, is this something you can take a look at it?  Thanks!

I was away for some personal work for last few days, but I am back to work =
from
today. Sure, I will take a look at this and will get back.

I did give this test a couple of runs though, but wasn't able to reproduce =
it.
But let me try few more things along with more iterations. Will update
accordingly.

-ritesh

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