zig

commit 79f8cf1326d63fd4e355aa0c0856617698afd867 (tree)
parent 06b85a4fd00bee590ec908d9f32c0263982f13c3
Author: Justus Klausecker <justus@klausecker.de>
Date:   Fri, 20 Mar 2026 17:19:28 +0100

std.debug.Info: make Mach-O source location resolution more resilient

`resolveAddresses` now also works if some calls to `getDwarfForAddress`
fail with `error.MissingDebugInfo`; the affected source location is set
to `.invalid`.

This makes fuzzing work with `ReleaseSafe` for Mach-O.

Diffstat:
M
lib/std/debug/Info.zig
 | 
4
++++

1 file changed, 4 insertions(+), 0 deletions(-)
diff --git a/lib/std/debug/Info.zig b/lib/std/debug/Info.zig
@@ -99,6 +99,10 @@ pub fn resolveAddresses(
             // due to split debug information. For now, we'll just resolve the addreses one by one.
             for (sorted_pc_addrs, output) |pc_addr, *src_loc| {
                 const dwarf, const dwarf_pc_addr = mf.getDwarfForAddress(gpa, io, pc_addr) catch |err| switch (err) {
+                    error.MissingDebugInfo => {
+                        src_loc.* = .invalid;
+                        continue;
+                    },
                     error.InvalidMachO, error.InvalidDwarf => return error.InvalidDebugInfo,
                     else => |e| return e,
                 };