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Diffstat (limited to 'pkg/sentry/kernel/task_clone.go')
-rw-r--r--pkg/sentry/kernel/task_clone.go10
1 files changed, 9 insertions, 1 deletions
diff --git a/pkg/sentry/kernel/task_clone.go b/pkg/sentry/kernel/task_clone.go
index 0916fd658..247bd4aba 100644
--- a/pkg/sentry/kernel/task_clone.go
+++ b/pkg/sentry/kernel/task_clone.go
@@ -236,14 +236,19 @@ func (t *Task) Clone(opts *CloneOptions) (ThreadID, *SyscallControl, error) {
} else if opts.NewPIDNamespace {
pidns = pidns.NewChild(userns)
}
+
tg := t.tg
+ rseqAddr := usermem.Addr(0)
+ rseqSignature := uint32(0)
if opts.NewThreadGroup {
tg.mounts.IncRef()
sh := t.tg.signalHandlers
if opts.NewSignalHandlers {
sh = sh.Fork()
}
- tg = t.k.newThreadGroup(tg.mounts, pidns, sh, opts.TerminationSignal, tg.limits.GetCopy(), t.k.monotonicClock)
+ tg = t.k.NewThreadGroup(tg.mounts, pidns, sh, opts.TerminationSignal, tg.limits.GetCopy())
+ rseqAddr = t.rseqAddr
+ rseqSignature = t.rseqSignature
}
cfg := &TaskConfig{
@@ -260,6 +265,8 @@ func (t *Task) Clone(opts *CloneOptions) (ThreadID, *SyscallControl, error) {
UTSNamespace: utsns,
IPCNamespace: ipcns,
AbstractSocketNamespace: t.abstractSockets,
+ RSeqAddr: rseqAddr,
+ RSeqSignature: rseqSignature,
ContainerID: t.ContainerID(),
}
if opts.NewThreadGroup {
@@ -299,6 +306,7 @@ func (t *Task) Clone(opts *CloneOptions) (ThreadID, *SyscallControl, error) {
// nt that it must receive before its task goroutine starts running.
tid := nt.k.tasks.Root.IDOfTask(nt)
defer nt.Start(tid)
+ t.traceCloneEvent(tid)
// "If fork/clone and execve are allowed by @prog, any child processes will
// be constrained to the same filters and system call ABI as the parent." -