From 801deb07f6ecc6a3c8933cffc23d4b3a895259e1 Mon Sep 17 00:00:00 2001
From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed, 12 Apr 2023 09:36:54 -0300
Subject: malloc: Assure that THP mode is always null terminated

---
 sysdeps/unix/sysv/linux/malloc-hugepages.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sysdeps/unix/sysv/linux/malloc-hugepages.c b/sysdeps/unix/sysv/linux/malloc-hugepages.c
index 683d68c327..740027ebfb 100644
--- a/sysdeps/unix/sysv/linux/malloc-hugepages.c
+++ b/sysdeps/unix/sysv/linux/malloc-hugepages.c
@@ -61,6 +61,7 @@ __malloc_thp_mode (void)
 
   char str[sizeof(mode_always)];
   ssize_t s = __read_nocancel (fd, str, sizeof (str));
+  str[s] = '\0';
   __close_nocancel (fd);
 
   if (s == sizeof (mode_always) - 1)
-- 
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