Just like lowmem mode, check inode mode, specially for S_IFMT bits and beyond.
Please note that, this check only applies to inodes in fs/subvol trees. It doesn't apply to free space cache inodes. Reported-by: Thorsten Hirsch <t.hir...@web.de> Signed-off-by: Qu Wenruo <w...@suse.com> --- check/main.c | 5 +++++ check/mode-original.h | 1 + 2 files changed, 6 insertions(+) diff --git a/check/main.c b/check/main.c index 7547209c5604..553c93caa2c9 100644 --- a/check/main.c +++ b/check/main.c @@ -616,6 +616,9 @@ static void print_inode_error(struct btrfs_root *root, struct inode_record *rec) fprintf(stderr, ", odd inode flags"); if (errors & I_ERR_INLINE_RAM_BYTES_WRONG) fprintf(stderr, ", invalid inline ram bytes"); + if (errors & I_ERR_INVALID_IMODE) + fprintf(stderr, ", invalid inode mode bit 0%o", + rec->imode & ~07777); fprintf(stderr, "\n"); /* Print the orphan extents if needed */ if (errors & I_ERR_FILE_EXTENT_ORPHAN) @@ -811,6 +814,8 @@ static void maybe_free_inode_rec(struct cache_tree *inode_cache, if (!rec->checked || rec->merging) return; + if (!is_valid_imode(rec->imode)) + rec->errors |= I_ERR_INVALID_IMODE; if (S_ISDIR(rec->imode)) { if (rec->found_size != rec->isize) rec->errors |= I_ERR_DIR_ISIZE_WRONG; diff --git a/check/mode-original.h b/check/mode-original.h index 25ca274118a7..e40a12930a6f 100644 --- a/check/mode-original.h +++ b/check/mode-original.h @@ -189,6 +189,7 @@ struct file_extent_hole { #define I_ERR_ODD_INODE_FLAGS (1 << 16) #define I_ERR_INLINE_RAM_BYTES_WRONG (1 << 17) #define I_ERR_MISMATCH_DIR_HASH (1 << 18) +#define I_ERR_INVALID_IMODE (1 << 19) struct inode_record { struct list_head backrefs; -- 2.21.0