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bh=A8qCPR0691ECOrXmuz6X4xvdj4xXQbRWYqn0vXEFJrI=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=L9qKdnuaAkHDdGDGC7hXjBWiX9KmdmBTUh1GRDLQHPGN553w+QtJFPUC5VbEX5Zmc 81wR2O0zW6CUSFEnMdGnQ4RGveVxBJvFoOHv0SXFwkaOv/ULg+gtc4bxjFtu4vdSVj rmqV+cndvX5R43kZJQyqA005bl/FJtu/0m6zpoRI= Date: Tue, 18 Apr 2023 15:08:26 -0700 From: Andrew Morton To: Zqiang Cc: elver@google.com, ryabinin.a.a@gmail.com, glider@google.com, andreyknvl@gmail.com, dvyukov@google.com, kasan-dev@googlegroups.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] kasan: Fix lockdep report invalid wait context Message-Id: <20230418150826.ae36090243b21f21f3265792@linux-foundation.org> In-Reply-To: <20230327120019.1027640-1-qiang1.zhang@intel.com> References: <20230327120019.1027640-1-qiang1.zhang@intel.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam03 X-Stat-Signature: tu99g14km41rtt61txx51eiwj3myffyj X-Rspamd-Queue-Id: 0394010000B X-HE-Tag: 1681855708-680903 X-HE-Meta: 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 vl4J3kY3 6EHDMBXjH8T5pqxmN13OGwzrNFzOcs7lOFGftjFzj0DKlZLIKcADZUlX4Vyzs5XaDwHkRe5SPHZdGJEAYudRdKTOjrTyTI4szfV0Qa0YqHuuCu8ztxH+sEeQq0dHq7oTfK5TMhgF92nElM7bEwSb0pjM/QuPv7RpakzOqLpsQcQQ9nepp/qB4WQYmaDHnrZ4UVQbko6PLe1WPl9iiqLAjL4usff9HAAH/oCmnOCvNDekGWHOufLn3EUet2zhSjMHOrAhIp62yRC/8hnCYHs4PSLTDsqraKRVDL2UJuJjQOlHNzLwlDXlDC1+UHkUyXdZI8mizl440soguGHZU6TBZjtz/9wyNC4WFJKymw8JcWCysqqWALUQOxRCjoJN/oQnvqqpjc1KiaZXHIp5zobjvYupDTHtGh0SPN30UQeltakyyy0RbpXYTGZNQ8A== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, 27 Mar 2023 20:00:19 +0800 Zqiang wrote: > For kernels built with the following options and booting > > CONFIG_SLUB=y > CONFIG_DEBUG_LOCKDEP=y > CONFIG_PROVE_LOCKING=y > CONFIG_PROVE_RAW_LOCK_NESTING=y > > [ 0.523115] [ BUG: Invalid wait context ] Could we please get some reviewer input on this change? Thanks.