diff options
| -rw-r--r-- | fs/bcachefs/dirent.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/bcachefs/dirent.c b/fs/bcachefs/dirent.c index 2ab9cbaf71f2..6be3ec4ec4a6 100644 --- a/fs/bcachefs/dirent.c +++ b/fs/bcachefs/dirent.c @@ -529,6 +529,15 @@ retry: vfs_d_type(dirent.v->d_type))) break; ctx->pos = dirent.k->p.offset + 1; + + /* + * read_target looks up subvolumes, we can overflow paths if the + * directory has many subvolumes in it + */ + if (hweight64(trans.paths_allocated) > BTREE_ITER_MAX / 2) { + ret = -EINTR; + break; + } } bch2_trans_iter_exit(&trans, &iter); err: |