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b=qEzVkat+FFXzCyXvoV6eGzMGPuWW6u/V/Eji+qDjQfneEHEL5tSwpazkVdPYGvp8h xHTdDwpihZRffG4+u/8XASLEhByyaxi8U6iiGDD/iKj2hBvTx5QWgcrUo230hTc5m8 JdxFLQl2C+XdV93NBevFhbS5shJW2qelm0hCzojuakn8vdsHXwT6k36s6Y57WMI5Pl OgiiH6DnsdWu899M5a69kPnrtmWD66jPvFI7R4WSIuzi9KPcSpw+A4n8lixJ3N/KHs qJEmDb2Y20VILWrqIsUtirpmyT+NNmDtKSqeSBsmzaJ7JNK4gxqm8YxvskZLgPdkwr PRRZ3fzsmRY1g== Date: Wed, 18 Mar 2026 11:41:11 +0000 From: "Lorenzo Stoakes (Oracle)" To: Jiakai Xu Cc: LKML , linux-mm@kvack.org, Liam.Howlett@oracle.com, akpm@linux-foundation.org, david@kernel.org, harry.yoo@oracle.com, jannh@google.com, riel@surriel.com, vbabka@kernel.org Subject: Re: [BUG] WARNING in unlink_anon_vmas() Message-ID: <64b4b6b6-dfe7-4873-9474-5ef980352fea@lucifer.local> References: <12501051-98d4-479a-8f10-547b2c08ad59@lucifer.local> <9f192045-f348-4341-8a45-867f4fd34a0b@lucifer.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9f192045-f348-4341-8a45-867f4fd34a0b@lucifer.local> X-Stat-Signature: g94d9h8qx1wq3ecckis4kyshw9atzufy X-Rspam-User: X-Rspamd-Queue-Id: C642B1C0003 X-Rspamd-Server: rspam12 X-HE-Tag: 1773834074-664776 X-HE-Meta: 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Mar 18, 2026 at 11:23:20AM +0000, Lorenzo Stoakes (Oracle) wrote: > > On Wed, Mar 18, 2026 at 06:42:49PM +0800, Jiakai Xu wrote: > > > If this turns out to be a real bug and there is anything I can do to help > > > with fixing or testing, I am happy to do so. I hope this report is useful > > > and sorry for any noise if it has already been addressed. > > > > Do you happen to have a copy of the full dmesg output? Particularly looking > for where the fault injections were made. > > Does this reliably repro for you consistently or is it now and again? > > If reliable repro, could you try it with the upstream tree also? > e.g. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ at > master? Actually no need figured it out :) Cheers, Lorenzo