diff options
Diffstat (limited to 'fs/erofs/zmap.c')
| -rw-r--r-- | fs/erofs/zmap.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/erofs/zmap.c b/fs/erofs/zmap.c index cbd3f72c83e9..7ca108c3834c 100644 --- a/fs/erofs/zmap.c +++ b/fs/erofs/zmap.c @@ -85,6 +85,10 @@ static int legacy_load_cluster_from_disk(struct z_erofs_maprecorder *m, if (advise & Z_EROFS_LI_PARTIAL_REF) m->partialref = true; m->clusterofs = le16_to_cpu(di->di_clusterofs); + if (m->clusterofs >= 1 << vi->z_logical_clusterbits) { + DBG_BUGON(1); + return -EFSCORRUPTED; + } m->pblk = le32_to_cpu(di->di_u.blkaddr); break; default: |