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authorDean Deng <deandeng@google.com>2020-10-13 00:12:28 -0700
committergVisor bot <gvisor-bot@google.com>2020-10-13 00:14:15 -0700
commitfc7df53222e56fdce7dee002f1fb4c332de616af (patch)
tree59404590b5c2f48db8dcd32ad2096d83473bdec9 /pkg/sentry/loader
parent10ca12b3d089fa16f67d886ed6dc2cacd2468d0b (diff)
Don't leak VDSO mappings.
PiperOrigin-RevId: 336822021
Diffstat (limited to 'pkg/sentry/loader')
-rw-r--r--pkg/sentry/loader/vdso.go6
1 files changed, 6 insertions, 0 deletions
diff --git a/pkg/sentry/loader/vdso.go b/pkg/sentry/loader/vdso.go
index 05a294fe6..241d87835 100644
--- a/pkg/sentry/loader/vdso.go
+++ b/pkg/sentry/loader/vdso.go
@@ -380,3 +380,9 @@ func loadVDSO(ctx context.Context, m *mm.MemoryManager, v *VDSO, bin loadedELF)
return vdsoAddr, nil
}
+
+// Release drops references on mappings held by v.
+func (v *VDSO) Release(ctx context.Context) {
+ v.ParamPage.DecRef(ctx)
+ v.vdso.DecRef(ctx)
+}