diff options
Diffstat (limited to 'binutils/debug.c')
| -rw-r--r-- | binutils/debug.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/binutils/debug.c b/binutils/debug.c index 64a0ad2..5866365 100644 --- a/binutils/debug.c +++ b/binutils/debug.c @@ -2484,8 +2484,22 @@ debug_write_type (struct debug_handle *info, debug_error (_("debug_write_type: illegal type encountered")); return false; case DEBUG_KIND_INDIRECT: - return debug_write_type (info, fns, fhandle, *type->u.kindirect->slot, - name); + /* PR 28718: Allow for malicious recursion. */ + { + static int recursion_depth = 0; + bool result; + + if (recursion_depth > 256) + { + debug_error (_("debug_write_type: too many levels of nested indirection")); + return false; + } + ++ recursion_depth; + result = debug_write_type (info, fns, fhandle, *type->u.kindirect->slot, + name); + -- recursion_depth; + return result; + } case DEBUG_KIND_VOID: return (*fns->void_type) (fhandle); case DEBUG_KIND_INT: |