From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3CD5D2DCF63 for ; Wed, 30 Jul 2025 16:29:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753892983; cv=none; b=AuCCEy8/IjzY+snuTcIkkljU+IaPkVxDWhhgAl1D7Kq+paPCgSoV90ukoJaBzz8LGBVfsXWagBaT9uJXHA1MDLYqXgef40YmZQ1qSdIyu/yEJR0R5aGfO8lxNvezpgfWe/wjB2MZUHDouuRxVNnBNdVxuAzNZEVsUE86IFkmkFk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753892983; c=relaxed/simple; bh=dUSKiCbW/5BFv8VgPgajOc+Yfd8bz045YaZJdKL/N9Q=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=sIXAIRYqX1N2PEjtZMmIGhsT7f1iqZEY0A4vVppuYPbvlgZ5aNd8kw9ABXKRH3QNg0NfN4Db3UoAackkP9JOUy4he5enz1i/Y4py0s4Hh3qFO357JWPV+moNnHPkDLcVedjcwUMJzRV8U5p4MOJwuKQ6RHcRf7tjmicV+GF8ws8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XTsRzQlz; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="XTsRzQlz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8B893C4CEE3; Wed, 30 Jul 2025 16:29:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753892983; bh=dUSKiCbW/5BFv8VgPgajOc+Yfd8bz045YaZJdKL/N9Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XTsRzQlzKso3TDKgEtz6OIGvY/rzmU6rlNvxhTr/+iJb7PSqUi6hHNDYvxNsOgf/B OUR4v0CvBCyi1XdcitZnYoD+ScA4oqPXrlouLd82ijIAWhRthR6mrm/gl1vnyx1v2h Xi48YAcul9MBEQef+z7SnbcCPHhX+DK8dgS6GNDwKvISE0AXw6nGplAHom1UUJQDXV 0xAg8k6oxwfHHVa4yrBfaTJHNqQddDxmbvsRkJIXVMhZcsBSz8s2DsAJpCyQSy1rja 0dmtI2QhG/uQZrTUmNJxJk1sekcCOABTIWsE4T6S4FhRa7zr29VLJnzhFy8pCLJu0d D3iuSDw84t6gw== From: Sasha Levin To: stable@vger.kernel.org Cc: Sasha Levin Subject: Re: [PATCH v2 6.6.y] mm: khugepaged: fix call hpage_collapse_scan_file() for anonymous vma Date: Wed, 30 Jul 2025 12:29:40 -0400 Message-Id: <1753887954-1ae21ccd@stable.kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250730073956.28488-1-acsjakub@amazon.de> References: Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Sasha's backport helper bot ] Hi, ✅ All tests passed successfully. No issues detected. No action required from the submitter. The upstream commit SHA1 provided is correct: f1897f2f08b28ae59476d8b73374b08f856973af WARNING: Author mismatch between patch and upstream commit: Backport author: Jakub Acs Commit author: Liu Shixin Status in newer kernel trees: 6.15.y | Present (exact SHA1) 6.12.y | Not found Note: The patch differs from the upstream commit: --- 1: f1897f2f08b2 ! 1: e3e5d640233e mm: khugepaged: fix call hpage_collapse_scan_file() for anonymous vma @@ Metadata ## Commit message ## mm: khugepaged: fix call hpage_collapse_scan_file() for anonymous vma + commit f1897f2f08b28ae59476d8b73374b08f856973af upstream. + syzkaller reported such a BUG_ON(): ------------[ cut here ]------------ @@ Commit message Cc: Nanyong Sun Cc: Qi Zheng Signed-off-by: Andrew Morton + [acsjakub: backport, clean apply] + Signed-off-by: Jakub Acs + Cc: linux-mm@kvack.org ## mm/khugepaged.c ## @@ mm/khugepaged.c: static unsigned int khugepaged_scan_mm_slot(unsigned int pages, int *result, --- Results of testing on various branches: | Branch | Patch Apply | Build Test | |---------------------------|-------------|------------| | origin/linux-6.6.y | Success | Success |