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 32EE229A9D3 for ; Tue, 29 Jul 2025 19:37:42 +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=1753817863; cv=none; b=m7/R7O94KfQd91B4CG3ju4Ym7lLUWYEx6DMsuSC49jj6k6XATNNZpaq+VRO0o1roMaZ17EHAG8h1n/i1k5JCvhcJe49M/Z2kq5Qt5kwyIVTOJ7l5KN8IJMtVfXBZz48HwIqCMhaEM4Ok9kclKV4DKvq9sXWjZeangcIczjK45Bw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753817863; c=relaxed/simple; bh=yqgyeaOsyDMjRihO12yXpuLv+zB4W9mj/jhx6CZTTjE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=HfOdEnYS+49c8ZCSmI1NyOD8pOUe0aa6GfN7FvplQ/X46zx6LraN2oDZ5u5+IWddJwGmeAaj8dSo97TEtkr1MMudbYINt7vhjGXhOi/icQzZPvc2BL5PScMi8YXtBCNjzRiPnfe1upHSIUG2wFb+8DSHomf7gNrm2a40KAZdlB4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=o8vu0Gvy; 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="o8vu0Gvy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 224CEC4CEEF; Tue, 29 Jul 2025 19:37:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753817862; bh=yqgyeaOsyDMjRihO12yXpuLv+zB4W9mj/jhx6CZTTjE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=o8vu0GvyZE5tmqeCvN7tfqWU9FX3pfwWTY67c15j3ZEhY8EmEc/oxN7Y5xjdzXGun tY/EcF7nsudAThb9tOP0vSJe1IPt70Tp3VRJpI2ZEt2joDap3Z0s3oRHDnmVlFvB5r F3Gx1maD2RQxS4TfLqUccn5B3quFVdbCispgjSxkdVsvJ2AnOyksCfwM0YdESgorNm mD6H4wKd2NIhhiFY7SbPbdzVtQkeDnbYtU0vua22/EOFD2eC1z20Wy1Md/aiu5vwsz CqALHlRE1oT5pt9L+fEHSdOtoROhjCKug9ylCJ2pADV7M4ik4nhuHXEVHUzibvzTKZ UYwJVwF4aQGiA== From: Sasha Levin To: stable@vger.kernel.org Cc: Sasha Levin Subject: Re: [PATCH 6.12.y] mm: khugepaged: fix call hpage_collapse_scan_file() for anonymous vma Date: Tue, 29 Jul 2025 15:37:40 -0400 Message-Id: <1753810808-99b66eaf@stable.kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250729090347.17922-1-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) Note: The patch differs from the upstream commit: --- 1: f1897f2f08b2 ! 1: 9575e41a87ec 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] + Cc: 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-6.12.y | Success | Success |