zig

commit 1054e67f01e0f2eff1adf4982189ebba0a3696ab (tree)
parent 197d9a9eb3557b1feae7580a82ab60defc9e12a1
Author: kcbanner <kcbanner@gmail.com>
Date:   Sun, 13 Aug 2023 22:53:15 -0400

dwarf: add missing length check in rowColumns

Diffstat:
M
lib/std/dwarf/call_frame.zig
 | 
1
+

1 file changed, 1 insertion(+), 0 deletions(-)
diff --git a/lib/std/dwarf/call_frame.zig b/lib/std/dwarf/call_frame.zig
@@ -452,6 +452,7 @@ pub const VirtualMachine = struct {
 
     /// Return a slice backed by the row's non-CFA columns
     pub fn rowColumns(self: VirtualMachine, row: Row) []Column {
+        if (row.columns.len == 0) return &.{};
         return self.columns.items[row.columns.start..][0..row.columns.len];
     }