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From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Xen-devel <xen-devel@lists.xenproject.org>
Cc: "Andrew Cooper" <andrew.cooper3@citrix.com>,
	"Demi Marie Obenour" <demi@invisiblethingslab.com>,
	"Anthony PERARD" <anthony@xenproject.org>,
	"Juergen Gross" <jgross@suse.com>,
	"Marek Marczykowski-Górecki" <marmarek@invisiblethingslab.com>
Subject: [PATCH] tools/xl: Open xldevd.log with O_CLOEXEC
Date: Tue,  7 May 2024 12:08:06 +0100	[thread overview]
Message-ID: <20240507110806.1692135-1-andrew.cooper3@citrix.com> (raw)

`xl devd` has been observed leaking /var/log/xldevd.log into children.

Link: https://github.com/QubesOS/qubes-issues/issues/8292
Reported-by: Demi Marie Obenour <demi@invisiblethingslab.com>
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
---
CC: Anthony PERARD <anthony@xenproject.org>
CC: Juergen Gross <jgross@suse.com>
CC: Demi Marie Obenour <demi@invisiblethingslab.com>
CC: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>

Also entirely speculative based on the QubesOS ticket.
---
 tools/xl/xl_utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/xl/xl_utils.c b/tools/xl/xl_utils.c
index 17489d182954..060186db3a59 100644
--- a/tools/xl/xl_utils.c
+++ b/tools/xl/xl_utils.c
@@ -270,7 +270,7 @@ int do_daemonize(const char *name, const char *pidfile)
         exit(-1);
     }
 
-    CHK_SYSCALL(logfile = open(fullname, O_WRONLY|O_CREAT|O_APPEND, 0644));
+    CHK_SYSCALL(logfile = open(fullname, O_WRONLY | O_CREAT | O_APPEND | O_CLOEXEC, 0644));
     free(fullname);
     assert(logfile >= 3);
 

base-commit: ebab808eb1bb8f24c7d0dd41b956e48cb1824b81
prerequisite-patch-id: 212e50457e9b6bdfd06a97da545a5aa7155bb919
-- 
2.30.2



             reply	other threads:[~2024-05-07 11:08 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-07 11:08 Andrew Cooper [this message]
2024-05-07 11:32 ` [PATCH] tools/xl: Open xldevd.log with O_CLOEXEC Marek Marczykowski-Górecki
2024-05-07 14:15   ` Andrew Cooper
2024-05-07 14:23     ` Marek Marczykowski-Górecki
2024-05-07 14:26       ` Andrew Cooper
2024-05-07 14:26   ` Marek Marczykowski-Górecki

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