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Message-ID: <fbe9ed47-b3cc-4c51-8d25-f44838327f89@redhat.com> Date: Fri, 27 Sep 2024 09:14:52 -0500 From: Eric Sandeen <sandeen@...hat.com> To: libaokun@...weicloud.com, linux-ext4@...r.kernel.org Cc: tytso@....edu, adilger.kernel@...ger.ca, jack@...e.cz, linux-kernel@...r.kernel.org, yi.zhang@...wei.com, yangerkun@...wei.com, Baokun Li <libaokun1@...wei.com>, Wesley Hershberger <wesley.hershberger@...onical.com>, Stéphane Graber <stgraber@...raber.org>, Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>, stable@...r.kernel.org Subject: Re: [PATCH v2] ext4: fix off by one issue in alloc_flex_gd() On 9/27/24 8:33 AM, libaokun@...weicloud.com wrote: > From: Baokun Li <libaokun1@...wei.com> > ... > Delete the problematic plus 1 to fix the issue, and add a WARN_ON_ONCE() > to prevent the issue from happening again. > > Reported-by: Wesley Hershberger <wesley.hershberger@...onical.com> > Closes: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2081231 > Reported-by: Stéphane Graber <stgraber@...raber.org> > Closes: https://lore.kernel.org/all/20240925143325.518508-1-aleksandr.mikhalitsyn@canonical.com/ > Tested-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com> > Tested-by: Eric Sandeen <sandeen@...hat.com> The patch has changed a little since I tested, but it still passes my testcase (as expected, no WARN ON etc) so looks good from that POV, thanks! -Eric
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