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authorMaximilian Krüger <max@maxfragg.de>2020-11-11 11:21:30 +0100
committerArjun Shankar <arjun@redhat.com>2020-11-11 12:15:21 +0100
commitd2d714b9fc02e4710d6dc769d8ec2c9dab0eb69a (patch)
treecc46d9f842a1cbec9e00a6bf1d911fc2f32ad448
parent30af7c7fa13e17d82c3f1f91536384715844f432 (diff)
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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.
-rw-r--r--sysdeps/unix/sysv/linux/sysconf.c2
1 files changed, 1 insertions, 1 deletions
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. */