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authorValentin Rothberg <rothberg@redhat.com>2019-05-28 15:39:13 +0200
committerValentin Rothberg <rothberg@redhat.com>2019-05-28 15:54:26 +0200
commit6ddf47ca38d2ebb93b2c9b774c187ba6c89177b8 (patch)
tree9d8126c1ca0e2c1acf178b64e25b8a0567edb921
parent25f8c21ea8ac1994cd1e8468c72e3d3481be8102 (diff)
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runtime: unlock the alive lock only once
Unlock the alive lock only once in the deferred func call. Fixes: #3207 Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
-rw-r--r--libpod/runtime.go5
1 files changed, 2 insertions, 3 deletions
diff --git a/libpod/runtime.go b/libpod/runtime.go
index def7ba639..1f8dd98b4 100644
--- a/libpod/runtime.go
+++ b/libpod/runtime.go
@@ -877,10 +877,9 @@ func makeRuntime(ctx context.Context, runtime *Runtime) (err error) {
// TODO: we can't close the FD in this lock, so we should keep it around
// and use it to lock important operations
aliveLock.Lock()
- locked := true
doRefresh := false
defer func() {
- if locked {
+ if aliveLock.Locked() {
aliveLock.Unlock()
}
}()
@@ -891,7 +890,7 @@ func makeRuntime(ctx context.Context, runtime *Runtime) (err error) {
// no containers running. Create immediately a namespace, as
// we will need to access the storage.
if os.Geteuid() != 0 {
- aliveLock.Unlock()
+ aliveLock.Unlock() // Unlock to avoid deadlock as BecomeRootInUserNS will reexec.
pausePid, err := util.GetRootlessPauseProcessPidPath()
if err != nil {
return errors.Wrapf(err, "could not get pause process pid file path")