From bb33fc4f552f4d18468ce65ce0dcb5a3cbd8b1db Mon Sep 17 00:00:00 2001
From: hyatskov <vokstay@gmx.de>
Date: Sun, 29 Jul 2018 01:38:17 +0200
Subject: [PATCH] log.c: Fix possible truncation in buffer (#8791)

---
 src/nvim/log.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/nvim/log.c b/src/nvim/log.c
index e485d4c338..6de231858e 100644
--- a/src/nvim/log.c
+++ b/src/nvim/log.c
@@ -198,7 +198,7 @@ void log_callstack_to_file(FILE *log_file, const char *const func_name,
   }
   assert(24 + exepathlen < IOSIZE);  // Must fit in `cmdbuf` below.
 
-  char cmdbuf[IOSIZE + (20 * ARRAY_SIZE(trace))];
+  char cmdbuf[IOSIZE + (20 * ARRAY_SIZE(trace)) + MAXPATHL];
   snprintf(cmdbuf, sizeof(cmdbuf), "addr2line -e %s -f -p", exepath);
   for (int i = 1; i < trace_size; i++) {
     char buf[20];  // 64-bit pointer 0xNNNNNNNNNNNNNNNN with leading space.