From e650c2b33e4fefc0589751b3958bd3b5d3b423ac Mon Sep 17 00:00:00 2001
From: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>
Date: Thu, 3 Nov 2022 09:22:48 +1100
Subject: Ensure fds are closed when exec functions are used.

When usng shm_open, FD_CLOEXEC is set explicitly.

However when using memfd_create, we must pass the MFD_CLOEXEC flag
to ensure the same fcntl value (FD_CLOEXEC) is set.

Fixes #1394

Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/751>
---
 src/pulsecore/shm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pulsecore/shm.c b/src/pulsecore/shm.c
index e464f6bce..ff54dcb59 100644
--- a/src/pulsecore/shm.c
+++ b/src/pulsecore/shm.c
@@ -164,7 +164,7 @@ static int sharedmem_create(pa_shm *m, pa_mem_type_t type, size_t size, mode_t m
 #endif
 #ifdef HAVE_MEMFD
     case PA_MEM_TYPE_SHARED_MEMFD:
-        fd = memfd_create("pulseaudio", MFD_ALLOW_SEALING);
+        fd = memfd_create("pulseaudio", MFD_ALLOW_SEALING|MFD_CLOEXEC);
         break;
 #endif
     default:
-- 
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