diff options
| author | Vitaly Kuznetsov | 2016-07-07 03:24:10 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2016-08-31 13:05:41 +0200 |
| commit | 26840437cbd6d3625ea6ab34e17cd34bb810c861 (patch) | |
| tree | 0aee0f74ee4cb855de329048de49bb5edef56bb6 | |
| parent | Drivers: hv: vmbus: Implement a mechanism to tag the channel for low latency (diff) | |
| download | kernel-qcow2-linux-26840437cbd6d3625ea6ab34e17cd34bb810c861.tar.gz kernel-qcow2-linux-26840437cbd6d3625ea6ab34e17cd34bb810c861.tar.xz kernel-qcow2-linux-26840437cbd6d3625ea6ab34e17cd34bb810c861.zip | |
Tools: hv: kvp: ensure kvp device fd is closed on exec
KVP daemon does fork()/exec() (with popen()) so we need to close our fds
to avoid sharing them with child processes. The immediate implication of
not doing so I see is SELinux complaining about 'ip' trying to access
'/dev/vmbus/hv_kvp'.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | tools/hv/hv_kvp_daemon.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c index 0d9f48ec42bb..bc7adb84e679 100644 --- a/tools/hv/hv_kvp_daemon.c +++ b/tools/hv/hv_kvp_daemon.c @@ -1433,7 +1433,7 @@ int main(int argc, char *argv[]) openlog("KVP", 0, LOG_USER); syslog(LOG_INFO, "KVP starting; pid is:%d", getpid()); - kvp_fd = open("/dev/vmbus/hv_kvp", O_RDWR); + kvp_fd = open("/dev/vmbus/hv_kvp", O_RDWR | O_CLOEXEC); if (kvp_fd < 0) { syslog(LOG_ERR, "open /dev/vmbus/hv_kvp failed; error: %d %s", |