From d2d714b9fc02e4710d6dc769d8ec2c9dab0eb69a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Maximilian=20Kr=C3=BCger?= Date: Wed, 11 Nov 2020 11:21:30 +0100 Subject: Use O_CLOEXEC in sysconf [BZ #26791] If sysconf is used in multithreaded processes, various filedescriptors may leak due to missing O_CLOEXEC. This commit adds the flag. --- sysdeps/unix/sysv/linux/sysconf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'sysdeps') diff --git a/sysdeps/unix/sysv/linux/sysconf.c b/sysdeps/unix/sysv/linux/sysconf.c index 7958a74164..9c5a4cb1a4 100644 --- a/sysdeps/unix/sysv/linux/sysconf.c +++ b/sysdeps/unix/sysv/linux/sysconf.c @@ -81,7 +81,7 @@ __sysconf (int name) if (procfname != NULL) { - int fd = __open_nocancel (procfname, O_RDONLY); + int fd = __open_nocancel (procfname, O_RDONLY | O_CLOEXEC); if (fd != -1) { /* This is more than enough, the file contains a single integer. */ -- cgit v1.2.3