From cacb188e3df099624158ed52be104d3d03bbbf11 Mon Sep 17 00:00:00 2001
From: Jacob Young <jacobly@ziglang.org>
Date: Wed, 23 Sep 2026 03:09:16 -0400
Subject: [PATCH] Elf2: fix verdef terminator

---
 src/link/Elf2.zig | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/link/Elf2.zig b/src/link/Elf2.zig
index 7c0d8adebbbcacb36c9e734377a864800623dc12..8f277e12b635dc3917ae8175087afb8a2634fc90 100644
--- a/src/link/Elf2.zig
+++ b/src/link/Elf2.zig
@@ -5653,7 +5653,7 @@ fn initHeaders(
                         .cnt = 1,
                         .hash = std.elf.hash.calculate(base_version_name),
                         .aux = @offsetOf(VerdefEntry, "aux"),
-                        .next = @sizeOf(VerdefEntry),
+                        .next = 0,
                     },
                     .aux = .{
                         .name = @backingInt(try elf.string(.dynstr, base_version_name)),
@@ -12569,7 +12569,9 @@ fn verdefId(elf: *Elf, version: String(.dynstr)) Error!u15 {
             elf.targetStore(&shdr.size, old_size + @sizeOf(VerdefEntry));
         },
     }
-    const entry_ptr = &elf.verdefSlice()[gop.index + 1];
+    const verdef_slice = elf.verdefSlice();
+    elf.targetStore(&verdef_slice[gop.index].def.next, @sizeOf(VerdefEntry));
+    const entry_ptr = &verdef_slice[gop.index + 1];
     entry_ptr.* = .{
         .def = .{
             .version = 1,
@@ -12578,7 +12580,7 @@ fn verdefId(elf: *Elf, version: String(.dynstr)) Error!u15 {
             .cnt = 1,
             .hash = std.elf.hash.calculate(version.slice(elf)),
             .aux = @offsetOf(VerdefEntry, "aux"),
-            .next = @sizeOf(VerdefEntry),
+            .next = 0,
         },
         .aux = .{
             .name = @backingInt(version),
-- 
2.54.0