From: Paul Moore <pmoore@redhat.com>
Date: Thu, 14 Aug 2014 17:19:32 +0000 (-0400)
Subject: seccomp: add semctl() to the syscall whitelist
X-Git-Tag: v2.2.0-rc0~166^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b22876cc2f863c58cfebd4a5301fc47e8ec89228;p=thirdparty%2Fqemu.git

seccomp: add semctl() to the syscall whitelist

QEMU needs to call semctl() for correct operation.  This particular
problem was identified on shutdown with the following commandline:

 # qemu -sandbox on -monitor stdio \
   -device intel-hda -device hda-duplex -vnc :0

Signed-off-by: Paul Moore <pmoore@redhat.com>
Signed-off-by: Eduardo Otubo <eduardo.otubo@profitbricks.com>
---

diff --git a/qemu-seccomp.c b/qemu-seccomp.c
index ea8094d0433..05037640478 100644
--- a/qemu-seccomp.c
+++ b/qemu-seccomp.c
@@ -230,7 +230,8 @@ static const struct QemuSeccompSyscall seccomp_whitelist[] = {
     { SCMP_SYS(timerfd_create), 240 },
     { SCMP_SYS(shmctl), 240 },
     { SCMP_SYS(mlock), 240 },
-    { SCMP_SYS(munlock), 240 }
+    { SCMP_SYS(munlock), 240 },
+    { SCMP_SYS(semctl), 240 }
 };
 
 int seccomp_start(void)