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| author | Alan Modra <amodra@gmail.com> | 2023-05-10 23:05:00 +0930 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2023-05-10 23:10:19 +0930 |
| commit | 6109320673fe30163b5d00d9e3a7f4e77befb22a (patch) | |
| tree | ae64565ea65b87d40f00cb9cdf881ef03e13a117 /binutils | |
| parent | 8b7b3b2bf4357781439e5434c4a5942ea29e983d (diff) | |
| download | binutils-gdb-6109320673fe30163b5d00d9e3a7f4e77befb22a.tar.gz | |
Re: stack overflow in debug_write_type
Apparently u.kindirect->slot can point at a NULL.
* debug.c (debug_write_type): Don't segfault on NULL indirect.
Diffstat (limited to 'binutils')
| -rw-r--r-- | binutils/debug.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/binutils/debug.c b/binutils/debug.c index 5cc77f74906..bb26d9143d0 100644 --- a/binutils/debug.c +++ b/binutils/debug.c @@ -2490,7 +2490,8 @@ debug_write_type (struct debug_handle *info, return false; case DEBUG_KIND_INDIRECT: /* Prevent infinite recursion. */ - if ((*type->u.kindirect->slot)->mark == info->mark) + if (*type->u.kindirect->slot != DEBUG_TYPE_NULL + && (*type->u.kindirect->slot)->mark == info->mark) return (*fns->empty_type) (fhandle); return debug_write_type (info, fns, fhandle, *type->u.kindirect->slot, name); |