From 68370a6aeeeaa1f52d809f2d452feec968c0d550 Mon Sep 17 00:00:00 2001
From: tbeu <tc@tbeu.de>
Date: Wed, 28 Aug 2024 22:49:48 +0200
Subject: [PATCH] Set lencode and distcode symmetrically

As reported by https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=70617 and https://github.com/madler/zlib/issues/997
---
 inflate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/inflate.c b/inflate.c
index e2fa6bb1a..4feac091e 100644
--- a/inflate.c
+++ b/inflate.c
@@ -923,7 +923,7 @@ int ZEXPORT inflate(z_streamp strm, int flush) {
             while (state->have < 19)
                 state->lens[order[state->have++]] = 0;
             state->next = state->codes;
-            state->lencode = (const code FAR *)(state->next);
+            state->lencode = state->distcode = (const code FAR *)(state->next);
             state->lenbits = 7;
             ret = inflate_table(CODES, state->lens, 19, &(state->next),
                                 &(state->lenbits), state->work);