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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-05-19 17:08:15 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-05-20 05:37:26 -0400 |
| commit | f108ddd467b5cad84a6d93cdd0a251ba47ceaccb (patch) | |
| tree | 36562cd2ce0b1b5af3bb10bb7fbfa1202417060d /fs/bcachefs/bcachefs_format.h | |
| parent | 9667214b30ef19c1cbead7893257619bca4d0d4d (diff) | |
bcachefs: Fix shift overflow in btree_lost_data()
Reported-by: syzbot+29f65db1a5fe427b5c56@syzkaller.appspotmail.com
Fixes: 55936afe1107 ("bcachefs: Flag btrees with missing data")
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/bcachefs_format.h')
| -rw-r--r-- | fs/bcachefs/bcachefs_format.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/bcachefs/bcachefs_format.h b/fs/bcachefs/bcachefs_format.h index 1bebba881d89..d801e19cb489 100644 --- a/fs/bcachefs/bcachefs_format.h +++ b/fs/bcachefs/bcachefs_format.h @@ -1555,6 +1555,12 @@ enum btree_id { BTREE_ID_NR }; +/* + * Maximum number of btrees that we will _ever_ have under the current scheme, + * where we refer to them with bitfields + */ +#define BTREE_ID_NR_MAX 64 + static inline bool btree_id_is_alloc(enum btree_id id) { switch (id) { |