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Thu, 30 May 2024 18:12:38 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Suren Baghdasaryan Date: Thu, 30 May 2024 18:12:24 -0700 Message-ID: Subject: Re: allocation tagging splats xfs generic/531 To: Luis Chamberlain Cc: Kent Overstreet , linux-xfs@vger.kernel.org, linux-mm@kvack.org, david@fromorbit.com, Andrey Ryabinin , Alexander Potapenko , Andrey Konovalov , Dmitry Vyukov , Vincenzo Frascino , kasan-dev@googlegroups.com, kdevops@lists.linux.dev Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 647DD4000C X-Stat-Signature: kzrk6n57icjgfsei8pdwjiwihj5z6yta X-Rspam-User: X-Rspamd-Server: rspam11 X-HE-Tag: 1717117959-870313 X-HE-Meta: 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 G2r+A6N2 88tWNLGZ9Z5TlUUMmoHL/SY5x+xbAXHfE0flW9lrKvQyII+u6zoTi/QnAdWkTrllsBhgihwhkLJTLWpT0xYmQdjrJS/0CDqF/fK12+46rgYwvbqcTQ5YBqi07kd1bXzaHjDQ/BdE2bsoF1685RPjbLLcRQfunsTUIupWfT4H0Z0xP2xT+GruDWOWcdcEZ+O3BdyhJzbdgDz8jCk8TlCHd59ATVWKAukZCqp3RLgijLePAh+KrKlUxCYlwR6L/0KFLk3IOaQRR2MjCzq1eCGTylQdntu4A0PEkgm+5i/Z7Z+vfy9+OZuwan2ycZvn2SH+KQxQxDaXl0b6D3z4M3TIjxgsNuAoFIJ+28cL2uMrggbkGDSw= X-Bogosity: Ham, tests=bogofilter, spamicity=0.046628, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, May 30, 2024 at 4:13=E2=80=AFPM Luis Chamberlain wrote: > > On Thu, May 30, 2024 at 07:03:47PM -0400, Kent Overstreet wrote: > > this only pops with kasan enabled, so kasan is doing something weird Thanks for taking a look. I'm back from vacation and will try to dig up the root cause. > > Ok thanks, but it means I gotta disable either mem profiling or kasan. An= d > since this is to see what other kernel configs to enable or disable > to help debug fstests better on kdevops too, kasan seems to win, and > I suspect I can't be the only other user who might end up concluding the > same. To avoid the warning you could disable CONFIG_MEM_ALLOC_PROFILING_DEBUG until this issue is fixed. This should allow you to use mem profiling together with kasan. Thanks, Suren. > > This is easily redproducible by just *boot* on kdevops if you enable > KASAN and memprofiling today. generic/531 was just another example. So > hopefully kasan folks have enough info for folks interested to help > chase it down. > > Luis