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Howlett" , syzbot , akpm@linux-foundation.org, jannh@google.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, ljs@kernel.org, pfalcato@suse.de, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [mm?] WARNING in mas_nomem Message-ID: <20260805004619.GA28508@ziepe.ca> References: <6a6c4f18.b1a781d0.210f9.001f.GAE@google.com> <6yf7k4fmg4tkbmli6t4qzrk2eiyuuynoc2oimbgaebught2yh5@dspb7xile3kj> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Fri, Jul 31, 2026 at 06:07:24PM +0200, Vlastimil Babka (SUSE) wrote: > > Thanks to Vlastimil and Pedro for the help on the plan. > > > > Summary of previous conversation is here: > > https://lore.kernel.org/all/20260618152451.GE231643@ziepe.ca/ > > Yeah, unfortunately, "too small to fail" is a lie, because in some cases it > can fail (such as the task itself becoming oom killer victim) or any of the > other conditions that can cause __alloc_pages_may_oom() return with > *did_some_progress == 0. But then we are back to the original problem, an erase API that can fail is fundamentally broken. Jason