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bh=89rvWf/4Tfim/r3IdL4EWF39hSjLRqnEGNhNF2V+WL8=; b=posJuOdlzqWwym4tkDNS9mbv0h QNPOB2hUhXSWa9A6QiTW1YiR+WPWr44gl7qhxhxtV/YUh9sTkbixFg/E5bn+O8yq62VPNx22KcK4Z lzXeUb8NRnx4PWZH3tp8SFvAwYM1HnJgoCl4Sb8MSkoDQFpLD23gsLzoLhl68LUqDi21RDW4mViLj Rn0nEahCwstCGJVvRuAaIyJb5EVl2YwmDeeObY8PRG/5yN5LerjYXIsiRKwpwK9NrC6QZq3/ElJHx i/Xd7Hcuu4+xMNqC7R714TnJjrk8Ic4Q3ssf39wdYZ2YJqYVFFt619H2Iyc0vbUxQbgPgnDrhBJ/t pBacJfQA==; Received: from mcgrof by bombadil.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1sCoxM-00000008fIm-2CRu; Thu, 30 May 2024 23:13:12 +0000 Date: Thu, 30 May 2024 16:13:12 -0700 From: Luis Chamberlain To: Kent Overstreet Cc: linux-xfs@vger.kernel.org, surenb@google.com, 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 Subject: Re: allocation tagging splats xfs generic/531 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Stat-Signature: zepqzkg1nsz8dwkxmgpe3mbiz65jrgbj X-Rspamd-Queue-Id: 0DAF8C0020 X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1717110793-102818 X-HE-Meta: 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 ULInjDCM 2gzTFLAXxVOu67AIk1QTUXdCRlhHqbIdf2ElX1i3IvY1euCSj8llp9HftC/+C6Da8jacI2AoCSUOjpJbJMQVOuJjfr7d3THS/MALAhvb3PnXFHbWjYBNyznQMmpSbktZDaw7KfEPpL1yjP1uhvp52MsD15j0ZNN1qvw+jgOlZWjOYWZihhAvMLTNAT0YAmTTF5sJHRNNrmH8GzsRRVTHcmKJgVgYs5jgPjzvfMwQXHjNHV7w4dQNhFRE+w0eB5kE+d5VPX37dB4VScvRlc3I4PGu8ijkzh47+d9BzDeUgNmqmlSCMzDQnLETxpFXL2kLqamt7JA7u0YiKYhJUVavSBLNN+NwCcqH/Dq8o3kV0aRSOBtQKbxvwZ/IAEY/nUIvDIeNj X-Bogosity: Ham, tests=bogofilter, spamicity=0.000534, 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 07:03:47PM -0400, Kent Overstreet wrote: > this only pops with kasan enabled, so kasan is doing something weird Ok thanks, but it means I gotta disable either mem profiling or kasan. And 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. 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