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 61F8D263F30 for ; Tue, 29 Jul 2025 19:45:23 +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=1753818323; cv=none; b=K+8E42e5GWyKIvr9q2OWI1LCrJP2fyJqTTGDct8N3Gxa/5HA+maGFfPmJcojAN7yJXismNLnqAf+qt+lxGbm7btbXJsQfu55f2WjDwaz5U09YNWQJJYhh9D5KsVsKoIQAFBHG2glDi86dmTvudaQSe81eyCssj+catpNZK3d3eU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753818323; c=relaxed/simple; bh=JAV+K1q1LLLVVYV3t57HK7fbRlENlc3ryDUxCP1KqzE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=SlVMqBEyt5PGaE7Z9Is8DayezWgyjhWHpg+RcQMrZ8Xa8z71ReVdkx8ml6nvlQbAY+WOoUl29GiY3YFaXUaKb4bPXsH9JwcgziAsAwkASxQYV4IJKl9TgxQoXjmYVwior5yLYFCzJPSe06t3IZeiA8/Wwif+AZwz6UL5phMyGdk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Dz5NA1R3; 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="Dz5NA1R3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B29BFC4CEF7; Tue, 29 Jul 2025 19:45:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753818323; bh=JAV+K1q1LLLVVYV3t57HK7fbRlENlc3ryDUxCP1KqzE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Dz5NA1R3sbZYxgabmsCV/pp7EjYnJtV5Nf1kaailloQfsER4YUj1HBAjHipIBrAYp J+2P3gPaDtd41q45QyGQTnmulsfxwbVBgUvu4N8zAhXRba8NEgD8VesX2Llh2uK6i8 CoTRrLmhIYYvRPXDxCol+i68hi0UHLSxq9STuhjRqkxtpiwNibhDckPlxEE/XytSOq mshPTssJjI+O28MTDTISNPglLTsEQ01WjKnpkbYeSPpz3PXK2+1d9RTgMGfXxnfOnx 0rtA3ZSrU1/v8dKn/6+/NREpn0RWGpnNxkXHTWOk3c4vXx43bUPmXw8I1GmpqDds9n AUid7r9ingH7A== From: Sasha Levin To: stable@vger.kernel.org Cc: Sasha Levin Subject: Re: [PATCH 6.1.y] mm: khugepaged: fix call hpage_collapse_scan_file() for anonymous vma Date: Tue, 29 Jul 2025 15:45:20 -0400 Message-Id: <1753809808-d561dc8d@stable.kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250729090420.19726-1-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 6.6.y | Not found Note: The patch differs from the upstream commit: --- 1: f1897f2f08b2 ! 1: 3f0f18218b69 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-6.1.y | Success | Success |