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-rw-r--r--fs/xfs/libxfs/xfs_sb.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c
index 7a39240..2580262 100644
--- a/fs/xfs/libxfs/xfs_sb.c
+++ b/fs/xfs/libxfs/xfs_sb.c
@@ -262,6 +262,12 @@ xfs_mount_validate_sb(
return -EFSCORRUPTED;
}
+ if (xfs_sb_version_hascrc(&mp->m_sb) &&
+ sbp->sb_blocksize < XFS_MIN_CRC_BLOCKSIZE) {
+ xfs_notice(mp, "v5 SB sanity check failed");
+ return -EFSCORRUPTED;
+ }
+
/*
* Until this is fixed only page-sized or smaller data blocks work.
*/
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