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From: Adhemerval Zanella <azanella@sourceware.org>
To: glibc-cvs@sourceware.org
Subject: [glibc] malloc: Assure that THP mode is always null terminated
Date: Thu, 13 Apr 2023 20:18:33 +0000 (GMT)	[thread overview]
Message-ID: <20230413201833.21C0C3858D20@sourceware.org> (raw)

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=801deb07f6ecc6a3c8933cffc23d4b3a895259e1

commit 801deb07f6ecc6a3c8933cffc23d4b3a895259e1
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Wed Apr 12 09:36:54 2023 -0300

    malloc: Assure that THP mode is always null terminated

Diff:
---
 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)

             reply	other threads:[~2023-04-13 20:18 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-13 20:18 Adhemerval Zanella [this message]
2023-04-14  6:52 ` Andreas Schwab
2023-04-14 11:02   ` Adhemerval Zanella

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