From: Rich Felker <dalias@aerifal.cx>
Date: Thu, 5 Feb 2015 03:50:40 +0000 (-0500)
Subject: fix fd leak race (missing O_CLOEXEC) in fchmodat
X-Git-Tag: v1.1.7~67
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=2736eb6caa70bb6e909d7d8ebbe145c2071435e0;p=oweals%2Fmusl.git

fix fd leak race (missing O_CLOEXEC) in fchmodat
---

diff --git a/src/stat/fchmodat.c b/src/stat/fchmodat.c
index afa6d44b..a894cb69 100644
--- a/src/stat/fchmodat.c
+++ b/src/stat/fchmodat.c
@@ -21,7 +21,7 @@ int fchmodat(int fd, const char *path, mode_t mode, int flag)
 	if (S_ISLNK(st.st_mode))
 		return __syscall_ret(-EOPNOTSUPP);
 
-	if ((fd2 = __syscall(SYS_openat, fd, path, O_RDONLY|O_PATH|O_NOFOLLOW|O_NOCTTY)) < 0) {
+	if ((fd2 = __syscall(SYS_openat, fd, path, O_RDONLY|O_PATH|O_NOFOLLOW|O_NOCTTY|O_CLOEXEC)) < 0) {
 		if (fd2 == -ELOOP)
 			return __syscall_ret(-EOPNOTSUPP);
 		return __syscall_ret(fd2);