panic: Decrementing non-positive ref count 0xc000be81c0, owned by *mm.SpecialMappable goroutine 86202 [running]: panic(0x100cc20, 0xc001f24000) GOROOT/src/runtime/panic.go:1064 +0x46d fp=0xc004cbbcd8 sp=0xc004cbbc20 pc=0x43438d gvisor.dev/gvisor/pkg/sentry/mm.(*SpecialMappableRefs).DecRef(0xc000be81c0, 0xc004cbbd50) bazel-out/k8-fastbuild/bin/pkg/sentry/mm/special_mappable_refs.go:127 +0x10a fp=0xc004cbbd40 sp=0xc004cbbcd8 pc=0x7dc6da gvisor.dev/gvisor/pkg/sentry/mm.(*SpecialMappable).DecRef(0xc000be81c0, 0x14043a0, 0x1e045f0) pkg/sentry/mm/special_mappable.go:57 +0x5a fp=0xc004cbbd70 sp=0xc004cbbd40 pc=0x7dbaca gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).removeVMAsLocked(0xc001304000, 0x14043a0, 0x1e045f0, 0x10000, 0x7fffffff0000, 0x1246668, 0xc00058e040) pkg/sentry/mm/vma.go:505 +0x3cd fp=0xc004cbbdf8 sp=0xc004cbbd70 pc=0x7e6c9d gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).unmapLocked(0xc001304000, 0x14043a0, 0x1e045f0, 0x10000, 0x7fffffff0000, 0x44828e, 0xc00024a544) pkg/sentry/mm/vma.go:465 +0x8f fp=0xc004cbbe40 sp=0xc004cbbdf8 pc=0x7e689f gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).DecUsers(0xc001304000, 0x14043a0, 0x1e045f0) pkg/sentry/mm/lifecycle.go:352 +0x23a fp=0xc004cbbed0 sp=0xc004cbbe40 pc=0x7c4afa gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskContext).release(0xc000c7f238) pkg/sentry/kernel/task_context.go:65 +0xa2 fp=0xc004cbbef8 sp=0xc004cbbed0 pc=0x956f62 gvisor.dev/gvisor/pkg/sentry/kernel.(*runExitMain).execute(0x0, 0xc000c7ea80, 0x13d20c0, 0x0) pkg/sentry/kernel/task_exit.go:306 +0x182 fp=0xc004cbbf60 sp=0xc004cbbef8 pc=0x9599a2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000c7ea80, 0x84) pkg/sentry/kernel/task_run.go:97 +0x1bd fp=0xc004cbbfd0 sp=0xc004cbbf60 pc=0x963bad runtime.goexit() src/runtime/asm_amd64.s:1373 +0x1 fp=0xc004cbbfd8 sp=0xc004cbbfd0 pc=0x467da1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:371 +0x112