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| author | Ian Gudger <igudger@google.com> | 2018-08-21 11:15:15 -0700 |
|---|---|---|
| committer | Shentubot <shentubot@google.com> | 2018-08-21 11:16:17 -0700 |
| commit | 9c407382b031f16160f83383ef8b0d419457829a (patch) | |
| tree | 321ffca15d4a441c909266e452c37f47f4b56a75 /pkg/sentry/kernel/task.go | |
| parent | 47d5a12ce565a2a63fca3fd70cc073f9883bacd0 (diff) | |
Fix races in kernel.(*Task).Value()
PiperOrigin-RevId: 209627180
Change-Id: Idc84afd38003427e411df6e75abfabd9174174e1
Diffstat (limited to 'pkg/sentry/kernel/task.go')
| -rw-r--r-- | pkg/sentry/kernel/task.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/pkg/sentry/kernel/task.go b/pkg/sentry/kernel/task.go index 19029adb1..0f83c0a39 100644 --- a/pkg/sentry/kernel/task.go +++ b/pkg/sentry/kernel/task.go @@ -568,12 +568,18 @@ func (t *Task) Value(key interface{}) interface{} { case CtxPIDNamespace: return t.tg.pidns case CtxUTSNamespace: + t.mu.Lock() + defer t.mu.Unlock() return t.utsns case CtxIPCNamespace: + t.mu.Lock() + defer t.mu.Unlock() return t.ipcns case CtxTask: return t case auth.CtxCredentials: + t.mu.Lock() + defer t.mu.Unlock() return t.creds case context.CtxThreadGroupID: return int32(t.ThreadGroup().ID()) |