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=1794063677; b=JU3pO2Ya9PRJ6/1Wdu9I8vwsz1qaE+qHZBmkiDNinJJifRpRhNRJHrMhKI1cvz84ZUKa 1CSSOtA/PMV/i/yWaSBqf1bVZJ9fDbKIWwL5d2UUep3huNZDBw05uQOiFOYhUtUiXk65A SSOtPJ626RmM9Cpq6Y460vY2CZ1NtW6PQlo9pbIXG3rdPoQYvaBX97cPQCMahDT+oH4Oa pHGhQ8Cp/Qknprv+b89t/xlqA5Fo6yfJwuQIjghzFNMOojucZQk16qbf9AZPdIRQendgi QBp1FiM6ksTCR9712nN9Tu9+smmW+zrNg9VjvKrE+gTTJkZRkF/H6NwKRJfemlmJv3w== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794063677; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:User-Agent:X-stable:X-Patchwork-Hint: MIME-Version:Content-Transfer-Encoding; bh=N/R+aOVANEgpgBMzIx+9gr7YJsANL3+oHSFhZV+lXKw=; b=kM7waABoOVVjciDawV/a0g6ViyGJjP/2g6GOdfj/WsR/56a9uM7lcGQD+bcZKvjClVkR 4gFhAiLL0M1EZ/NvfjWKN3oODH9fItRf6IjN2GVAWQcW+8qgq1jpOOwFhR4NpFY5xX756 J8UowgKkopBo1mLWs2VoCrtn0pc9qD0URiXjFsCCy6kvvVRYbItU96ovJs/h5Mn3lp7sE ptIRmGJlw1rsV1iM1CLYvdVutnh0FmrAWbNMp3pJOnOf/Y20m8IDH4nQ/vNsH03TFWqg5 GQcr8Zs36be7Byw7XYo9ua4E4eYj+PbnLgNw9hFE9CPU8Oxp023PluhB+RPUUGRc2eA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=r6hDOeF7; 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 9DF0A6082BF9; Sat, 7 Nov 2026 15:01:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=r6hDOeF7 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 49D491F0089F; Sat, 7 Nov 2026 15:01:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1794063677; bh=N/R+aOVANEgpgBMzIx+9gr7YJsANL3+oHSFhZV+lXKw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=r6hDOeF7qx3F2whqzwiaEwBD1D/9KAro76GfbRk7p4WXUI6J5/NnRoJou7NywqJB8 OprXO9OWmPcuwO83JnlUabC0cknB2Ez78Xr6N5orqTfRXJ4qWk1tFMTNb/wADPjxup tNerjrIUwEPasFV7448W01PsNaFU7+AXvcKF6JaQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, stable@kernel.org, Chao Yu , Jaegeuk Kim , Sasha Levin Subject: [PATCH 6.18 787/869] f2fs: fix to update superblock crc in sanity_check_area_boundary() Date: Sat, 7 Nov 2026 08:57:49 -0500 Message-ID: <20261107134919.412152507@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261107134852.069646174@linuxfoundation.org> References: <20261107134852.069646174@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore 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 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ 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 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 11d218b415b0d..69d36e1a301bf 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -3920,6 +3920,12 @@ 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(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