diff options
Diffstat (limited to 'lib/sqfs/id_table_read.c')
| -rw-r--r-- | lib/sqfs/id_table_read.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/lib/sqfs/id_table_read.c b/lib/sqfs/id_table_read.c index a310fd4..ccb0fc8 100644 --- a/lib/sqfs/id_table_read.c +++ b/lib/sqfs/id_table_read.c @@ -15,6 +15,7 @@ int id_table_read(id_table_t *tbl, int fd, sqfs_super_t *super, compressor_t *cmp) { + uint64_t upper_limit, lower_limit; size_t i; if (tbl->ids != NULL) { @@ -29,10 +30,24 @@ int id_table_read(id_table_t *tbl, int fd, sqfs_super_t *super, return -1; } + upper_limit = super->id_table_start; + lower_limit = super->directory_table_start; + + if (super->fragment_table_start > lower_limit && + super->fragment_table_start < upper_limit) { + lower_limit = super->fragment_table_start; + } + + if (super->export_table_start > lower_limit && + super->export_table_start < upper_limit) { + lower_limit = super->export_table_start; + } + tbl->num_ids = super->id_count; tbl->max_ids = super->id_count; tbl->ids = sqfs_read_table(fd, cmp, tbl->num_ids * sizeof(uint32_t), - super->id_table_start); + super->id_table_start, lower_limit, + upper_limit); if (tbl->ids == NULL) return -1; |