linux-kernel - Re: next: kernel BUG at fs/ext4/mballoc.c:4369!

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Message-ID: <20230717043111.GA3842864@mit.edu>
Date:   Mon, 17 Jul 2023 00:31:11 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     open list <linux-kernel@...r.kernel.org>,
        linux-mm <linux-mm@...ck.org>, lkft-triage@...ts.linaro.org,
        linux-ext4 <linux-ext4@...r.kernel.org>,
        LTP List <ltp@...ts.linux.it>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Dan Carpenter <dan.carpenter@...aro.org>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Ojaswin Mujoo <ojaswin@...ux.ibm.com>
Subject: Re: next: kernel BUG at fs/ext4/mballoc.c:4369!

On Sun, Jul 16, 2023 at 11:32:51AM +0530, Naresh Kamboju wrote:
> Following kernel BUG noticed while testing LTP fs testing on x86_64
> arch x86_64 on the Linux next-20230716 built with clang toolchain.

Hmm, I'm not seeing the next-20230716 tag at:

https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/

or

https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next-history.git/

I see a tag for next-20230717 and for next-20230714, but not
next-20230716.  Was this a typo?  Does it reproduce on the
next-20230717 tree?

Also, since I don't use LTP, can you give me a trimmed-down
reproducer, to save me some time?

Thanks!!

					- Ted