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authorRahat Mahmood <rahat@google.com>2018-12-12 13:09:10 -0800
committerShentubot <shentubot@google.com>2018-12-12 13:09:59 -0800
commit75e39eaa74c65b6f7cfb95addb6ac0cbcc7d951a (patch)
tree1a6b64491851e002727a08546f1168c89b9c32aa /pkg/sentry/mm/lifecycle.go
parenta2c868a098fcb51dcdf629045c5f5c0f68c2766f (diff)
Pass information about map writableness to filesystems.
This is necessary to implement file seals for memfds. PiperOrigin-RevId: 225239394 Change-Id: Ib3f1ab31385afc4b24e96cd81a05ef1bebbcbb70
Diffstat (limited to 'pkg/sentry/mm/lifecycle.go')
-rw-r--r--pkg/sentry/mm/lifecycle.go2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkg/sentry/mm/lifecycle.go b/pkg/sentry/mm/lifecycle.go
index b248b76e7..1613ce11d 100644
--- a/pkg/sentry/mm/lifecycle.go
+++ b/pkg/sentry/mm/lifecycle.go
@@ -81,7 +81,7 @@ func (mm *MemoryManager) Fork(ctx context.Context) (*MemoryManager, error) {
vmaAR := srcvseg.Range()
// Inform the Mappable, if any, of the new mapping.
if vma.mappable != nil {
- if err := vma.mappable.AddMapping(ctx, mm2, vmaAR, vma.off); err != nil {
+ if err := vma.mappable.AddMapping(ctx, mm2, vmaAR, vma.off, vma.isMappableAsWritable()); err != nil {
mm2.removeVMAsLocked(ctx, mm2.applicationAddrRange())
return nil, err
}