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Tsirkin" To: Lei Yang Cc: syzbot , jasowang@redhat.com, linux-kernel@vger.kernel.org, linux-next@vger.kernel.org, sfr@canb.auug.org.au, syzkaller-bugs@googlegroups.com, virtualization@lists.linux.dev, xuanzhuo@linux.alibaba.com, Andrew Morton , linux-mm@kvack.org Subject: Re: [syzbot] [virtualization?] linux-next boot error: WARNING: refcount bug in __free_pages_ok Message-ID: <20240222103932-mutt-send-email-mst@kernel.org> References: <000000000000d305050611b50d09@google.com> <20240219022853-mutt-send-email-mst@kernel.org> Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Feb 22, 2024 at 11:06:55AM +0800, Lei Yang wrote: > Hi All > > I hit a similar issue when doing a regression testing from my side. > For the error messages please help review the attachment. > > The latest commit: > commit c02197fc9076e7d991c8f6adc11759c5ba52ddc6 (HEAD -> master, > origin/master, origin/HEAD) > Merge: f2667e0c3240 0846dd77c834 > Author: Linus Torvalds > Date: Sat Feb 17 16:59:31 2024 -0800 > > Merge tag 'powerpc-6.8-3' of > git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux > > Pull powerpc fixes from Michael Ellerman: > "This is a bit of a big batch for rc4, but just due to holiday hangover > and because I didn't send any fixes last week due to a late revert > request. I think next week should be back to normal. > > Regards > Lei It all looks like a generic bug dealing with some refcounting in the allocator. So, a chance of a bisect there? -- MST