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 2B3C82DCC05 for ; Wed, 30 Jul 2025 16:29:27 +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=1753892967; cv=none; b=QRJH2L0D4Joy93UuNbSW2lR24u97HJ/6MTYze9bHJX9zPBxwNfJ3EDASAIl+25mJT1sxDqrUfYiBHz5SCNC5MjHA3gL73H+VG3esSZyXjMcyEzec/5LvEjXlUoK+ylfns672ugRI2Edsqi6TAD/gc18r3CRP1yONP3kxjzd1UtQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753892967; c=relaxed/simple; bh=7nC5T/ICNmX612RQfv1y68/vnnfjcqFQ+3SF0NlO88o=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=GH4xFT/L2OQ2dQ0zGXgmYNcV+sevVSfTIQXLjOR/yKiKr4zsYcHvdNAI1uWRWBJYikJ4bn5oUc2Ljj4zK6+llnOYmE7UKndk1ULAfbtG2keiDX2MSyQwvaRjq+nfHaQ/KN7MuI0JA3VRz1VwOU4iFu0FR/3AncNAMYecvzIyAec= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jo+jUnZs; 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="jo+jUnZs" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7E0D7C4CEE3; Wed, 30 Jul 2025 16:29:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753892967; bh=7nC5T/ICNmX612RQfv1y68/vnnfjcqFQ+3SF0NlO88o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jo+jUnZsSmpbAOAXceRPXfkbeMoKt0vuD6aBTCwltlIDXqCtOI0D41yBRh+N6Cm7n Blfu/SNq+N6MZ5FZGiMLzEFn4sVzR9Qu2gzh26waDMC/dbRTtrUPZruyt7JqnLsj25 M6K4WGKMf589YtpjNwPV9VXzPl1+p3Wl5vk57FSmvH8hEV0xof/un5rw+ibpDHDgDF 1yKlXDiJRdM7nuIXbqs67jadC3iSyl0/6IhVOKe5xG/QlRVopNtSlmY92sM0SLv1We SXsohzbrtqoiY+JWTH4hOixVZdn7fbVVaNLwy4Id5/z9J7vbpNvZnT3IpuTG3MLqa+ CDcHEDe8sf4Mg== From: Sasha Levin To: stable@vger.kernel.org Cc: Sasha Levin Subject: Re: [PATCH v2 6.12.y] mm: khugepaged: fix call hpage_collapse_scan_file() for anonymous vma Date: Wed, 30 Jul 2025 12:29:24 -0400 Message-Id: <1753888141-2218eccf@stable.kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250730073945.27790-1-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: 88e04724fb9f 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-6.12.y | Success | Success |