From 366f5570f44a74f60dcf6f0b0cc5c5878a48e2d4 Mon Sep 17 00:00:00 2001
From: Serge Tupchii <serge.tupchii@protonmail.com>
Date: Tue, 8 Dec 2020 11:25:01 +0200
Subject: [PATCH] Fix crash (segfault) in etags on generating tags for Erlang
 files

* lib-src/etags.c: Set allocated and lastlen to zero, after freeing last ptr
  in Erlang_functions to prevent dereferencing NULL pointer
---
 lib-src/etags.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib-src/etags.c b/lib-src/etags.c
index 4315771a49..a1c6837e88 100644
--- a/lib-src/etags.c
+++ b/lib-src/etags.c
@@ -6063,6 +6063,7 @@ Erlang_functions (FILE *inf)
 	    {
 	      free (last);
 	      last = NULL;
+	      allocated = lastlen = 0;
 	    }
 	}
       else
-- 
2.29.0