From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 B026451993B; Wed, 30 Sep 2026 17:51:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790790720; cv=none; b=U4OPqvnuoE1BMN4w/NBZaCJvrqwEHzsanOmsBxaS8cFyG+gH5BAxxyHFSI0HPdhJ/tkpCsHMv9RouiYX86EnI/bxhLZ4i1gTe89T4cjmgOrcq9ZNewe+X0wIsG2nFaQIPSzy62zRXevb3xZNETr7u8Xm7fSY7ATjCb54kbUhyts= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790790720; c=relaxed/simple; bh=vEssNDJvreoYkmnvBsnMpmkHQJwGdVZD0Pj5RcPEjFk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hXQNUPKSIJlnjB/Gccf96v0xMYmKtLDeWWLFuztdcmUdIKY9Zci7x/UBF4ReC7GsDJ1hhHGeDdBm/E4komM5+4p5JECnQQSsUUsZSOLQKRhSsthVgyRc6K3qS6+fRgcCFX5ufcpw5t+md6GeSimgPKDuL05IrCQaycD+5GRn5k8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=oF5O8iEq; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="oF5O8iEq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B62881F00899; Wed, 30 Sep 2026 17:51:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1790790719; bh=EaCGqQdQO2E0ylJ9Jhx/qHSF8FQrqtlNRRUh5DXLqRA=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=oF5O8iEqZzp1GhsKMAH86OMyrJpwCJUYUDEJ9ocbAqlOFMWTaEQsSH/VPR0Djj2P7 YjSXuC+gZAO+XS5YdAHqyZ68cIeOjps6c6ynOeVxzgz7v52wzbpy2JDxO5PSWyksi3 NpS0Twz8jMBNQ8X523njRDajUuFJ5TeXOMXcoh18= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Christoph Hellwig , "Christian Brauner (Amutable)" , Sasha Levin Subject: [PATCH 5.15 050/752] bfs: handle set_blocksize failures Date: Wed, 30 Sep 2026 17:18:40 +0200 Message-ID: <20260930152359.238822889@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260930152358.131179731@linuxfoundation.org> References: <20260930152358.131179731@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Christoph Hellwig [ Upstream commit 2430e3380936df0b648af720cae624eef035a2d1 ] bfs uses buffer_heads, which don't handle block size > PAGE_SIZE well. Without this, mounting will hit the BUG_ON(offset >= folio_size(folio)); in folio_set_bh on the first __bread_gfp call. Signed-off-by: Christoph Hellwig Link: https://patch.msgid.link/20260511071701.2456211-2-hch@lst.de Signed-off-by: Christian Brauner (Amutable) Signed-off-by: Sasha Levin --- fs/bfs/inode.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c index fa4e002925852..56f6bca4246f6 100644 --- a/fs/bfs/inode.c +++ b/fs/bfs/inode.c @@ -343,7 +343,8 @@ static int bfs_fill_super(struct super_block *s, void *data, int silent) s->s_time_min = 0; s->s_time_max = U32_MAX; - sb_set_blocksize(s, BFS_BSIZE); + if (!sb_set_blocksize(s, BFS_BSIZE)) + goto out; sbh = sb_bread(s, 0); if (!sbh) -- 2.53.0