From: Rich Felker <dalias@aerifal.cx>
Date: Fri, 18 Oct 2013 11:12:38 +0000 (-0400)
Subject: in faccessat slow path, add close-on-exec to pipe fds
X-Git-Tag: v0.9.15~90
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=d5bd7dd5d2780ce715e985e8f66b44f80e64f485;p=oweals%2Fmusl.git

in faccessat slow path, add close-on-exec to pipe fds

as usual, this is needed to avoid fd leaks. as a better solution, the
use of fds could possibly be replaced with mmap and a futex.
---

diff --git a/src/unistd/faccessat.c b/src/unistd/faccessat.c
index 1083467f..821e13f5 100644
--- a/src/unistd/faccessat.c
+++ b/src/unistd/faccessat.c
@@ -34,7 +34,7 @@ int faccessat(int fd, const char *filename, int amode, int flag)
 	sigset_t set;
 	int ret, p[2];
 
-	if (pipe(p)) return __syscall_ret(-EBUSY);
+	if (pipe2(p, O_CLOEXEC)) return __syscall_ret(-EBUSY);
 	struct ctx c = { .fd = fd, .filename = filename, .amode = amode, .p = p[1] };
 
 	__block_all_sigs(&set);