From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793717530; b=nzhOi5U5bWleWERa7sd/4n7aaF5Fc1iLnyT1MmYTazDwJ5x+g8D88q0I9PcNPJDI0O/g +ajzXK0gtwsptZqebsOAp4zxp7qRl2Q0wu6ekQJy9o97yT8/xXlR0GDothxHky67kVJgt 6ZrN+/k8yUaNK49hB2RGK4i600v3fveQ3Ft0dfDGWVTn5gpQDuuHDIcbhBEm//ma3ZJgU 5WdD6J5tNiaAbO0tQQ3CDfRaXK2mZiSBVHigy65YpiA974oSWBLRcVEJ3LnnwVrZOyTy6 mEdX4pMQDnotwQCRlTA1JRb3OW4lfVcNYjnjIA7Zat0Zr5/1q/RhjNydBADke5q6m2g== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793717530; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Type: Content-Transfer-Encoding; bh=LMyRWZC45eOWdRYTp9S1dshzyIL9S0ThqB/6dV7aMIQ=; b=RnwysnXosaW7eMnsD+P1LgQLp60zrlHbxWNZdyjaISxKl+A6G8k9FKPoXasquZutSxGK pLJOvE/FA5/uIUuH+AlTd2s7+dJtbNx3niQpbqq3ib71HOEujhjfh936Sv2WXxsVgICx6 l9DhcIHMAyQde4jOMcvJO36C7fk/2RVkkF/3UN2FMP1st4LdJTtLCkh6VD95i+M2bwAcu 1ey4b1JIh0QhPb8Iy1xUsrLvplUj9ymRvr/htlG5kcdrvzxCk/PAOjz8FTdhX5yvwtyAC qr7rlMGhAG1IEg5PeKgdBYSG78j6XytIj9/ljZgZkjgrWLuXxCMCb0tNmt6Nu8EYh7Q== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=iBQ8RpLn; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 32E9D606A789; Tue, 3 Nov 2026 14:52:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=iBQ8RpLn Received: by smtp.kernel.org (Postfix) with ESMTPSA id 88EC91F000C1; Tue, 3 Nov 2026 14:52:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793717530; bh=LMyRWZC45eOWdRYTp9S1dshzyIL9S0ThqB/6dV7aMIQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=iBQ8RpLn+4J4/cEkXnFrVxpDoGHc63Kad8Kk1J4mNTWElKzbolQi90qtwjU2mDFvH TqZWzYOq7/o3yWt5k1JYSeBfBHVQeEyKJPJmZRsFg2BCUkEjg9Nq80BtbaR01oj9Zt 0FLB0oAr4GBp0n6ha4+zy8Zj5/t6io1gBlDQkEzdIV0rPDq1Y3dBPiDD3Fu7y42Rv1 RmxW1EC5vFHOz9ZcAlgjUCSO3H6zRu1TfZ7OGY8aqOTFJ6tIsxxDkwmKd2jd+3gBbn ZJg6QL7pthOcPFaQcraSrE2E6RD4FLpO2qsue8R1r9IZ6ttI10Q4VDVen/+vcWq9y1 bjAEa5FSDSt6Q== From: Sasha Levin To: Theodore Ts'o , Andreas Dilger , "Matthew Wilcox (Oracle)" , Konstantin Komarov , Greg Kroah-Hartman , Yongjian Sun , Jan Kara Cc: Sasha Levin , stable@vger.kernel.org, regressions@lists.linux.dev, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, ntfs3@lists.linux.dev, Tom Bereknyei , Elliot Berman Subject: Re: [PATCH 6.1.y 0/2] Fix NULL folio dereferences from IS_ERR() checks in 6.1.191 Date: Tue, 3 Nov 2026 09:51:49 -0500 Message-ID: <2026-11-03-1-daily-reply-0001-re-ext4-ntfs3-null-folio@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261102-ext4-ntfs3-null-folio-v1-0-4fd91ee23a4a@elliotjb.com> References: <20261102-ext4-ntfs3-null-folio-v1-0-4fd91ee23a4a@elliotjb.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit > We hit a kernel oops in 6.1.191 in ext4_mb_regular_allocator(), When > ext4's s_buddy_cache pages are evicted, the next block allocation > dereferences a NULL folio. Queued the series for 6.1, thanks. -- Thanks, Sasha