From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2BB77C3DA64 for ; Wed, 31 Jul 2024 11:51:35 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B635F6B0085; Wed, 31 Jul 2024 07:51:34 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B13806B0088; Wed, 31 Jul 2024 07:51:34 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 98D2F6B0089; Wed, 31 Jul 2024 07:51:34 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 790CA6B0085 for ; Wed, 31 Jul 2024 07:51:34 -0400 (EDT) Received: from smtpin05.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id DD066C02A4 for ; Wed, 31 Jul 2024 11:51:33 +0000 (UTC) X-FDA: 82399882866.05.80C398E Received: from mail-ed1-f48.google.com (mail-ed1-f48.google.com [209.85.208.48]) by imf02.hostedemail.com (Postfix) with ESMTP id 0EF7E80013 for ; Wed, 31 Jul 2024 11:51:31 +0000 (UTC) Authentication-Results: imf02.hostedemail.com; dkim=pass header.d=google.com header.s=20230601 header.b=J487855U; spf=pass (imf02.hostedemail.com: domain of jannh@google.com designates 209.85.208.48 as permitted sender) smtp.mailfrom=jannh@google.com; dmarc=pass (policy=reject) header.from=google.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1722426636; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=Z3tgfa0TBZZlAPRPnyhZzHIHwaJAdGwVAItxUYwICbU=; b=Aq657yAF5Mf+Z8x4Rb/azYdPIl5hag5NLW7fHpgkAi8uhdXbmsTFTx7zP5C5hr32eKFEpf XFIvJ3Go6WvURlC6QFd4s/BbT9OuLcCYtLK+WhbT2PwSUgjv471VksGiiizGV+fHB95dJV Ajchq9NWMxm/tcWcAmYm8jbSRQ/OTrA= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1722426636; a=rsa-sha256; cv=none; b=tl0cTY67AK/G/2DecOpKV9f01iF7hLskN2ZY9OS1uGix2sMPP3S5lVrfG2OjH1WfrBtB2O vIJiyEwfWgD838UjeSSfxnnEP5fFmuJa9LtmsXEPWRT4JOeGfeUt9qOhpDCQA8oiq87nat LnPHhWxwmgB5gyaaOAlqiOVVcco7vu4= ARC-Authentication-Results: i=1; imf02.hostedemail.com; dkim=pass header.d=google.com header.s=20230601 header.b=J487855U; spf=pass (imf02.hostedemail.com: domain of jannh@google.com designates 209.85.208.48 as permitted sender) smtp.mailfrom=jannh@google.com; dmarc=pass (policy=reject) header.from=google.com Received: by mail-ed1-f48.google.com with SMTP id 4fb4d7f45d1cf-5a18a5dbb23so14606a12.1 for ; Wed, 31 Jul 2024 04:51:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1722426690; x=1723031490; darn=kvack.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=Z3tgfa0TBZZlAPRPnyhZzHIHwaJAdGwVAItxUYwICbU=; b=J487855UE4BMTvDH/KtK86f7SgnsmFS/uGx/dfS89+/v568zTeFi0QSCqmHGxKtC9a 4vAyx1Gr/wyizpNZafPLM87t98fr+fNLb6D8ukrZrKcYTbJhOKsY5vtFqhuZmQaEZt5E zoFHufJ4GMuvAt411m7N0z6oB3kzMPtyAPE1QfiqVE29J8CBFLew3JTKBLr+o65bkqAZ yzq5SQ4DKcdtmiePjBHjde2cyEQ9Kncx3fAWx5aLQJhXK9MwLPosZ69VHa17F8DePiJk 4VwKnQHXnt0wds//5XD71NrPsOvlM6WNeUdweEnREBZEmqoO4A2WLl+BtE9Tyvql6eTx zeNQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1722426690; x=1723031490; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Z3tgfa0TBZZlAPRPnyhZzHIHwaJAdGwVAItxUYwICbU=; b=Ivbvi1eD1aIMXOLY1F6wF1SNSKm5/cgpdDFB/R51jMHLl7qFFt8DI3XN4Jsl8uim8F gRv6Sjns89Uf+wi6CmvZmB5W0oLtwBbEnuf3SVBgTYg1cfOF8pZPF+uN0C95iQRAOWNC PSZ9TT1sqIA2LslZWHY0BulYgju/qGsG8XDoGeM3gYJyIVIBLqQPehsIFBggbHoJQ+Zk apofGMNqlEjG19Lumdf13vjdLB1eSCT5UyHk+s1s4toDnVeJcVToQ/d8VSI8UuVNG+qB h7JsyCrwP0vMbuk0y0fSTn+3O6MJxsyK6GHFPh4BP0EE2OdHbwqsscK2VEwgle7UBxn9 9pHQ== X-Forwarded-Encrypted: i=1; AJvYcCXGZDAl4n9EU9EiId6qddW+doDp38LE+dV6eNctrdrc9m0ZTc6z8FDK0/Wd6lAUWY8HusPXqyP5vQ==@kvack.org X-Gm-Message-State: AOJu0YxKLFbnFmgqXPt7dGPd0JXB1UVEOzt4R2PONESWh+RB2PpQ6col CkAFgmOWXcnE9ItQf45MTfw6oDR7ueZExE318OsMQi/YhjVALRASIXY9ItDeQE0O0dwcEKVOV+B 7OP1460xpLanOPymYeRXv3jLb+OCdssr73DWc X-Google-Smtp-Source: AGHT+IEFYDXyYpJoWInpoepe6+mUIKfvQrYST5WPI+tkPWUXZb8XEaphYz1kVFceAekmtR1jnGomCRwVii39RSA0CCs= X-Received: by 2002:a05:6402:35cf:b0:5a0:d4ce:59a6 with SMTP id 4fb4d7f45d1cf-5b58cb9c7e7mr255375a12.2.1722426689865; Wed, 31 Jul 2024 04:51:29 -0700 (PDT) MIME-Version: 1.0 References: <202407311019.5ea52390-lkp@intel.com> In-Reply-To: <202407311019.5ea52390-lkp@intel.com> From: Jann Horn Date: Wed, 31 Jul 2024 13:50:50 +0200 Message-ID: Subject: Re: [linux-next:master] [slub] d543c8fb9c: BUG_filp(Not_tainted):Bulk_free_expected#objects_but_found To: kernel test robot Cc: oe-lkp@lists.linux.dev, lkp@intel.com, Linux Memory Management List , Andrew Morton , Andrey Konovalov , Andrey Ryabinin , Christoph Lameter , David Rientjes , Dmitry Vyukov , Hyeonggon Yoo <42.hyeyoo@gmail.com>, Joonsoo Kim , Marco Elver , Pekka Enberg , Roman Gushchin , Vincenzo Frascino , kasan-dev@googlegroups.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 0EF7E80013 X-Stat-Signature: 98xmd767ns4mdc644mmqj89wsehfs16y X-HE-Tag: 1722426691-45977 X-HE-Meta: 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 CJr03oxE 3GoAwYVvXYCNHs7x/zoA2qJjNukelyOjsjyjL0fPhFAEn6cRE3CC2QGzxzVbpTXEtHwcWN89pTuet3i8SPT1/cl+2vZ36dG9RnJwTcoNqqfdaGtENppOhYpdHkaBk2UUyZkY9UuD37N3NrcdMSqCaloNecfSGtke0ZzOCHk4DvEgPOuQs25kJnJYX4JVSW3eJAMrK4jM950QXtZ9rTlqYI77QGSvd3HE/aE/XSX3qli3fFg2MqqF6YFMU6RZQ3fpjVEREkjm/GGCMzeXBwIHT/Ng8HEX8FKIXIqMDbNuk1MRqnP7nLTsxErMTF0iTSGwr4WIgCQv/2YLZ+YnR8vkwKY5kgD/Hlf9ePvnUTQOaXO6/HEuLUI2vGQKAW1GzSopSaaQ42fS8yVJTk3qPLU/MbcTn7o/AWIq/uQBr 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: List-Subscribe: List-Unsubscribe: Hi! On Wed, Jul 31, 2024 at 7:27=E2=80=AFAM kernel test robot wrote: > hi, Jann Horn, > > we reported "WARNING:possible_circular_locking_dependency_detected" > issue upon v3 of this patch in > https://lore.kernel.org/all/202407291014.2ead1e72-oliver.sang@intel.com/ > several days ago. > > at that time, you said that real issue should be something like > "BUG filp (Not tainted): Bulk free expected 1 objects but found 2" > and you will send a fix. > > now we noticed this patch in in linux-next/master, but not sure the versi= on. > > we found there are still similar issues so just send report to you FYI. Right, that's still v2 of the patch - you can tell from the "Link: https://lkml.kernel.org/r/20240724-kasan-tsbrcu-v2-2-45f898064468@google.co= m" line in the commit message, which contains "v2" and links to an email with subject "[PATCH v2 2/2] slub: Introduce CONFIG_SLUB_RCU_DEBUG". And yeah, that seems like the same issue that I fixed in v4 of the patch (https://lore.kernel.org/all/20240729-kasan-tsbrcu-v4-2-57ec85ef80c6@= google.com/). v5 is now in the mm tree, so I think once the next version of linux-next is built, the issue should go away. Have a nice day, Jann