panic: kernfs.Dentry.DecRef() called without holding a reference goroutine 336 [running]: panic(0x10cb560, 0x14321a8) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0006a3738 sp=0xc0006a3670 pc=0x437c65 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Dentry).DecRef(0xc0003c9cb0, 0x1476ce0, 0xc0006caa80) pkg/sentry/fsimpl/kernfs/kernfs.go:283 +0xb2 fp=0xc0006a3760 sp=0xc0006a3738 pc=0x852d52 gvisor.dev/gvisor/pkg/sentry/vfs.(*Dentry).DecRef(0xc0003c9cb0, 0x1476ce0, 0xc0006caa80) pkg/sentry/vfs/dentry.go:157 +0x48 fp=0xc0006a3788 sp=0xc0006a3760 pc=0x7424c8 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).MountDisconnected(0xc00028b078, 0x1476ce0, 0xc0006caa80, 0xc0005b05a0, 0xc00043a700, 0x8, 0xc00043a600, 0x6, 0xc0006a3a08, 0xc00030c8a0, ...) pkg/sentry/vfs/mount.go:206 +0x298 fp=0xc0006a3858 sp=0xc0006a3788 pc=0x7514f8 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).MountAt(0xc00028b078, 0x1476ce0, 0xc0006caa80, 0xc0005b05a0, 0xc00043a700, 0x8, 0xc0006a3a38, 0xc00043a600, 0x6, 0xc0006a3a08, ...) pkg/sentry/vfs/mount.go:273 +0xd4 fp=0xc0006a38f8 sp=0xc0006a3858 pc=0x7519f4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Mount(0xc0006caa80, 0x20000480, 0x200004c0, 0x20000500, 0x10, 0x0, 0x7feeafdb0e78, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/mount.go:112 +0x52f fp=0xc0006a3b00 sp=0xc0006a38f8 pc=0xe3a54f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0006caa80, 0xa5, 0x20000480, 0x200004c0, 0x20000500, 0x10, 0x0, 0x7feeafdb0e78, 0x0, 0x12d7840, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc0006a3c60 sp=0xc0006a3b00 pc=0x9d7cfc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0006caa80, 0xa5, 0x20000480, 0x200004c0, 0x20000500, 0x10, 0x0, 0x7feeafdb0e78, 0x0, 0x7feeafdb0e78) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc0006a3ce8 sp=0xc0006a3c60 pc=0x9d8e86 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0006caa80, 0xa5, 0x20000480, 0x200004c0, 0x20000500, 0x10, 0x0, 0x7feeafdb0e78, 0xc0005b0ac8, 0xc0006ace70) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc0006a3d48 sp=0xc0006a3ce8 pc=0x9d8a78 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0006caa80, 0x2, 0xc0006caa80) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc0006a3e18 sp=0xc0006a3d48 pc=0x9d841c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0006caa80, 0x144a900, 0x0) pkg/sentry/kernel/task_run.go:282 +0xc8c fp=0xc0006a3f60 sp=0xc0006a3e18 pc=0x9cd0ac gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0006caa80, 0xd) pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc0006a3fd0 sp=0xc0006a3f60 pc=0x9cbd2f runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0006a3fd8 sp=0xc0006a3fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:327 +0xfe