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-rw-r--r--bfd/pdb.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/bfd/pdb.c b/bfd/pdb.c
index 9a431c2..67d7e73 100644
--- a/bfd/pdb.c
+++ b/bfd/pdb.c
@@ -79,6 +79,13 @@ pdb_get_elt_at_index (bfd *abfd, symindex sym_index)
}
block_size = bfd_getl32 (int_buf);
+ if ((block_size & -block_size) != block_size
+ || block_size < 512
+ || block_size > 4096)
+ {
+ bfd_set_error (bfd_error_malformed_archive);
+ return NULL;
+ }
/* Get block_map_addr. */