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=1794440585; b=m8fbC3uFgbLaGfrWvOGym2LslhyK3rExzceWV/ld86NV9WoyEPEBVNU2HQTpuUawk7Ys gbpeXZJnKcp8VFCwEeK5L4NW1qjGhkT5YC6zm1XaC4c1r+ovXC0W70Zeatb4BHoz6pN7d c7/0IjruWqCBzXOoCtg8Bk1atGSkmH040EioVyCSo6cMPv5899O/DHQ3MQLfJJrkcQtUn si2a+1k/ukxpzo+vS2WnkWiAD7oWW9L2Rs7qAIFDnZdksY1IbCqeTx5b34LYIAYgoS6Sa 0sK/qi3cclIgE7L6zqvC1FJsD9KlU/pBzlHlzZzNcPjy+Qyv2EqPR4ZRV+e2ZAeHDtg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794440585; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=/gK0LHaY+LJ7TYnufCDWO+pLa21WTcfAsVRDy/cmeUk=; b=U1t8NOctfnwX+ELIkupjFqvJ4dpJVo99cnO5NnAmODT3ND3Z5oIJ9d1rtZDe8mrwaOhm 6BOkUeZp5k9T2L9QHjkuhMcklK6zuZP/6YSCHYEhyKIFiW/T012hPo1NJmsdwt97eG8df V8Wi2WFoeyjdR3rTjIqIlAQYRJRFZsAx/OLk5ErPMLO2pjTOBLgzVBDS3GpxcNNyyDpSV DLuId2DPxwJBK8X4H2nOjcXXx9Soz3Wtn50sTwO4IYEqBhXMtTXyG/S3pPw3j050Ts3qc Tp2VqiCTcSbTlKXJbMJRjBBr4fj0UfLTslt4Yhui5fxG8Xccz8jfazidW4u5IJk2qYQ== 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=jebIP+Sh; 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 5A951606A31C for ; Wed, 11 Nov 2026 23:43:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=jebIP+Sh Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5FD541F00A05; Wed, 11 Nov 2026 23:43:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794440585; bh=/gK0LHaY+LJ7TYnufCDWO+pLa21WTcfAsVRDy/cmeUk=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=jebIP+Sh89sCZAZP4h0y/BaBoah7mAkqkvdTJ8VsbErPqWXUAfA43mqIRIWRCPZTp 0d/FsATjTcSlOClLuuKw8+KUdVurtNt8ztd3soQHazfL30Yxmh83qh/weX39kvQRFU 6pT7DnlA1q7wqbCVLetgtMk35Tf/Mj8NuwMVQkb3cEvwpQ0VC0VNcbOYXBAV/5c8dt yZBVGOqULeR5m3Ruel0ahIbrwlfnl31xpqKvUncuO1WEyXP5Cc6VWWzKfONFvmHIZc YUPKxm/jaBTCVrG4Z80cztxoGPmAbad/hTVAqC0Vg0aH9tVSq1g/GH7V53PkGE105i Nef9CY9D2G3ow== From: Sasha Levin To: stable@vger.kernel.org Cc: Chao Yu , stable@kernel.org, Jaegeuk Kim , Sasha Levin Subject: [PATCH 6.6.y] f2fs: fix to update superblock crc in sanity_check_area_boundary() Date: Wed, 11 Nov 2026 18:43:03 -0500 Message-ID: <20261111234232.707558-1-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261107053935-failed-6.6-f8f956c7ec8c@kernel.org> References: <20261107053935-failed-6.6-f8f956c7ec8c@kernel.org> X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Chao Yu [ Upstream commit f8f956c7ec8c0285d7a80bed497d2f7adcbded15 ] This patch fixes the bug reported by Sashiko: We should update superblock crc along w/ raw_super->segment_count in sanity_check_area_boundary() if sb_checksum feature is enabled. Cc: stable@kernel.org Fixes: d440c52d3151 ("f2fs: support superblock checksum") Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim [ sashal: Added the sbi argument to f2fs_crc32() to match the older checksum API. ] Signed-off-by: Sasha Levin --- fs/f2fs/super.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 433506ea5738c..84ed0da813838 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -3446,6 +3446,12 @@ static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi, /* fix in-memory information all the time */ raw_super->segment_count = cpu_to_le32((main_end_blkaddr - segment0_blkaddr) >> log_blocks_per_seg); + if (__F2FS_HAS_FEATURE(raw_super, F2FS_FEATURE_SB_CHKSUM)) { + __u32 crc = f2fs_crc32(sbi, raw_super, + offsetof(struct f2fs_super_block, crc)); + + raw_super->crc = cpu_to_le32(crc); + } if (f2fs_readonly(sb) || f2fs_hw_is_readonly(sbi)) { set_sbi_flag(sbi, SBI_NEED_SB_WRITE); -- 2.53.0