panic: interface conversion: vfs.DentryImpl is *tmpfs.dentry, not *kernfs.Dentry goroutine 169602 [running]: panic({0x1161fc0, 0xc005a84a50}) GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc0055b1428 sp=0xc0055b1368 pc=0x43763a runtime.panicdottypeE(...) GOROOT/src/runtime/iface.go:262 runtime.panicdottypeI(0x40?, 0x12b0a20, 0x11ae600) GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc0055b1450 sp=0xc0055b1428 pc=0x40b17c gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc005c485a0, {0x15759d8, 0xc00445ca80}, 0xc003faa480, {0xc000137b80?, 0xc0011783c0?}) pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0x9ea fp=0xc0055b1688 sp=0xc0055b1450 pc=0x7e994a gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc000136800?, {0x15759d8, 0xc00445ca80}, 0xc0036faa20?, 0xc004f71600?, 0xc0055b1840) pkg/sentry/vfs/vfs.go:296 +0x203 fp=0xc0055b1708 sp=0xc0055b1688 pc=0x77e9e3 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc00445ca80, 0x445ca80?, 0xc00445ca80?, 0x76fb8f88?, 0x0?, 0x1400) pkg/sentry/syscalls/linux/sys_file.go:1029 +0x3d5 fp=0xc0055b1900 sp=0xc0055b1708 pc=0xaf76d5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0xc00445ca80?, {{0x3}, {0x200000c0}, {0x4}, {0x20000080}, {0x1400}, {0x0}}) pkg/sentry/syscalls/linux/sys_file.go:998 +0x6e fp=0xc0055b1940 sp=0xc0055b1900 pc=0xaf72ce gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00445ca80, 0x109, {{0x3}, {0x200000c0}, {0x4}, {0x20000080}, {0x1400}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc0055b1c80 sp=0xc0055b1940 pc=0x9ac88b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00445ca80, 0x0?, {{0x3}, {0x200000c0}, {0x4}, {0x20000080}, {0x1400}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc0055b1ce0 sp=0xc0055b1c80 pc=0x9ade74 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00034a310?, 0xc0055b1e28?, {{0x3}, {0x200000c0}, {0x4}, {0x20000080}, {0x1400}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc0055b1d40 sp=0xc0055b1ce0 pc=0x9ada65 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0064ba210?) pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc0055b1e38 sp=0xc0055b1d40 pc=0x9ad72c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc002556500?, 0xc00445ca80) pkg/sentry/kernel/task_run.go:259 +0x12ff fp=0xc0055b1f60 sp=0xc0055b1e38 pc=0x99f3bf gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00445ca80, 0x74b) pkg/sentry/kernel/task_run.go:94 +0x21c fp=0xc0055b1fc0 sp=0xc0055b1f60 pc=0x99da1c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:377 +0x2a fp=0xc0055b1fe0 sp=0xc0055b1fc0 pc=0x9aad0a runtime.goexit() src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0055b1fe8 sp=0xc0055b1fe0 pc=0x46c521 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:377 +0x105