panic: Decrementing non-positive ref count 0x400059dad0, owned by vfs.Filesystem goroutine 153 [running]: panic({0xc34ea0?, 0x4000688120?}) GOROOT/src/runtime/panic.go:1017 +0x3cc fp=0x40005199e0 sp=0x4000519930 pc=0x49cec gvisor.dev/gvisor/pkg/sentry/vfs.(*FilesystemRefs).DecRef(0x400059dad0, 0x4000890570?) bazel-out/aarch64-fastbuild/bin/pkg/sentry/vfs/filesystem_refs.go:126 +0x174 fp=0x4000519a50 sp=0x40005199e0 pc=0x3788a4 gvisor.dev/gvisor/pkg/sentry/vfs.(*Filesystem).DecRef(0x4000519ad8?, {0x10d4808?, 0x400059f500?}) pkg/sentry/vfs/filesystem.go:77 +0x58 fp=0x4000519a90 sp=0x4000519a50 pc=0x377e58 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).unlockMounts(0x40007801f8, {0x10d4808, 0x400059f500}) pkg/sentry/vfs/vfs.go:1030 +0x194 fp=0x4000519b40 sp=0x4000519a90 pc=0x394aa4 gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy.func1() pkg/sentry/vfs/mount.go:826 +0x30 fp=0x4000519b70 sp=0x4000519b40 pc=0x3811f0 gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy(0x400068c000, {0x10d4808, 0x400059f500}) pkg/sentry/vfs/mount.go:839 +0x27c fp=0x4000519c10 sp=0x4000519b70 pc=0x38113c gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).DecRef(0x400068c000, {0x10d4808, 0x400059f500}) pkg/sentry/vfs/mount.go:820 +0xbc fp=0x4000519c40 sp=0x4000519c10 pc=0x380e8c gvisor.dev/gvisor/pkg/sentry/vfs.VirtualDentry.DecRef({0x400068c000?, 0x4000978400?}, {0x10d4808, 0x400059f500}) pkg/sentry/vfs/vfs.go:1086 +0x70 fp=0x4000519c70 sp=0x4000519c40 pc=0x394c10 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualDentry).DecRef(0x4000519ce8?, {0x10d4808?, 0x400059f500?}) :1 +0x48 fp=0x4000519ca0 sp=0x4000519c70 pc=0x3a4328 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).unlockMounts(0x40007801f8, {0x10d4808, 0x400059f500}) pkg/sentry/vfs/vfs.go:1030 +0x194 fp=0x4000519d50 sp=0x4000519ca0 pc=0x394aa4 gvisor.dev/gvisor/pkg/sentry/vfs.(*MountNamespace).Destroy(0x40004f6270, {0x10d4808, 0x400059f500}) pkg/sentry/vfs/namespace.go:201 +0x90 fp=0x4000519d90 sp=0x4000519d50 pc=0x387d80 gvisor.dev/gvisor/pkg/sentry/fsimpl/nsfs.(*Inode).DecRef.func1() pkg/sentry/fsimpl/nsfs/nsfs.go:96 +0x40 fp=0x4000519dc0 sp=0x4000519d90 pc=0x42a500 gvisor.dev/gvisor/pkg/sentry/fsimpl/nsfs.(*inodeRefs).DecRef(0x0?, 0x4000519e48) bazel-out/aarch64-fastbuild/bin/pkg/sentry/fsimpl/nsfs/inode_refs.go:132 +0xa0 fp=0x4000519e30 sp=0x4000519dc0 pc=0x429fc0 gvisor.dev/gvisor/pkg/sentry/fsimpl/nsfs.(*Inode).DecRef(0x400059f500?, {0x10d4808?, 0x400059f500?}) pkg/sentry/fsimpl/nsfs/nsfs.go:96 +0x60 fp=0x4000519e70 sp=0x4000519e30 pc=0x42a490 gvisor.dev/gvisor/pkg/sentry/vfs.(*MountNamespace).DecRef(...) pkg/sentry/vfs/namespace.go:216 gvisor.dev/gvisor/pkg/sentry/kernel.(*runExitMain).execute(0x0, 0x400059f500) pkg/sentry/kernel/task_exit.go:297 +0x4b4 fp=0x4000519f20 sp=0x4000519e70 pc=0x5cd024 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x400059f500, 0x10) pkg/sentry/kernel/task_run.go:98 +0x260 fp=0x4000519fb0 sp=0x4000519f20 pc=0x5d8fb0 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:391 +0x2c fp=0x4000519fd0 sp=0x4000519fb0 pc=0x5e523c runtime.goexit() src/runtime/asm_arm64.s:1197 +0x4 fp=0x4000519fd0 sp=0x4000519fd0 pc=0x81834 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 182 pkg/sentry/kernel/task_start.go:391 +0xf8