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authorJamie Liu <jamieliu@google.com>2018-06-12 12:37:06 -0700
committerShentubot <shentubot@google.com>2018-06-12 12:38:02 -0700
commit7a10df454b1c12b207f479cdda7338fff2875d5f (patch)
treef6bfed8da42e8496583793ce86ef8fa5050ad8d1 /pkg/sentry
parent2dc9cd7bf73d971a37fa22b52a70961f27f6c970 (diff)
Drop MMapOpts.MappingIdentity reference in loader.mapSegment.
PiperOrigin-RevId: 200261995 Change-Id: I7e460b18ceab2c23096bdeb7416159d6e774aaf7
Diffstat (limited to 'pkg/sentry')
-rw-r--r--pkg/sentry/loader/elf.go5
1 files changed, 5 insertions, 0 deletions
diff --git a/pkg/sentry/loader/elf.go b/pkg/sentry/loader/elf.go
index 8579eeee4..d2f18cd4f 100644
--- a/pkg/sentry/loader/elf.go
+++ b/pkg/sentry/loader/elf.go
@@ -271,6 +271,11 @@ func mapSegment(ctx context.Context, m *mm.MemoryManager, f *fs.File, phdr *elf.
Perms: prot,
MaxPerms: usermem.AnyAccess,
}
+ defer func() {
+ if mopts.MappingIdentity != nil {
+ mopts.MappingIdentity.DecRef()
+ }
+ }()
if err := f.ConfigureMMap(ctx, &mopts); err != nil {
ctx.Infof("File is not memory-mappable: %v", err)
return err