From 6d5076d73266ce4a6cf30dd4778bc0485770a5f0 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Thomas=20Wei=C3=9Fschuh?= Date: Mon, 17 Apr 2023 11:36:30 +0200 Subject: [PATCH] libblkid: erofs: calculate checksum with offset MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Thomas Weißschuh --- libblkid/src/superblocks/erofs.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/libblkid/src/superblocks/erofs.c b/libblkid/src/superblocks/erofs.c index c451083c02..14d272efef 100644 --- a/libblkid/src/superblocks/erofs.c +++ b/libblkid/src/superblocks/erofs.c @@ -58,8 +58,9 @@ static int erofs_verify_checksum(blkid_probe pr, const struct blkid_idmag *mag, if (!csummed) return 0; - memset(csummed + offsetof(struct erofs_super_block, checksum), 0, sizeof(uint32_t)); - csum = crc32c(~0L, csummed, csummed_size); + csum = ul_crc32c_exclude_offset(~0L, csummed, csummed_size, + offsetof(struct erofs_super_block, checksum), + sizeof_member(struct erofs_super_block, checksum)); return blkid_probe_verify_csum(pr, csum, expected); } -- 2.47.3