panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x28 pc=0x785aa0] goroutine 15637 [running]: panic({0x115d7c0, 0x2a261b0}) GOROOT/src/runtime/panic.go:987 +0x3bb fp=0xc0001cb448 sp=0xc0001cb388 pc=0x436abb runtime.panicmem(...) GOROOT/src/runtime/panic.go:260 runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:837 +0x37d fp=0xc0001cb4a8 sp=0xc0001cb448 pc=0x44e0fd gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).ConnectMountAt(0xc000289de0, {0x1535040, 0xc03cfb4000}, 0x100?, 0x0?, 0x100?) pkg/sentry/vfs/mount.go:224 +0x140 fp=0xc0001cb568 sp=0xc0001cb4a8 pc=0x785aa0 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).MountAt(0xc00068d200?, {0x1535040, 0xc03cfb4000}, 0xc03baf6000?, {0x0?, 0x2?}, 0x0?, {0xc03baf6200?, 0x1?}, 0xc0001cb7e8) pkg/sentry/vfs/mount.go:374 +0x125 fp=0xc0001cb628 sp=0xc0001cb568 pc=0x786c65 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Mount(0xc03cfb4000, 0x40000002?, {{0x200004c0}, {0x20000140}, {0x20000080}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_mount.go:127 +0x545 fp=0xc0001cb918 sp=0xc0001cb628 pc=0xb4d565 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc03cfb4000, 0xa5, {{0x200004c0}, {0x20000140}, {0x20000080}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc0001cbc58 sp=0xc0001cb918 pc=0x9d706b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc03cfb4000, 0x85?, {{0x200004c0}, {0x20000140}, {0x20000080}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc0001cbcb8 sp=0xc0001cbc58 pc=0x9d8654 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x8525ef?, 0x0?, {{0x200004c0}, {0x20000140}, {0x20000080}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc0001cbd18 sp=0xc0001cbcb8 pc=0x9d8245 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc03cf1bd40?) pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc0001cbe10 sp=0xc0001cbd18 pc=0x9d7f0c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc03bba0280?, 0xc03cfb4000) pkg/sentry/kernel/task_run.go:269 +0x144a fp=0xc0001cbf48 sp=0xc0001cbe10 pc=0x9c99ca gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc03cfb4000, 0x7f0) pkg/sentry/kernel/task_run.go:98 +0x25c fp=0xc0001cbfc0 sp=0xc0001cbf48 pc=0x9c7e7c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:390 +0x2a fp=0xc0001cbfe0 sp=0xc0001cbfc0 pc=0x9d54ea runtime.goexit() src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0001cbfe8 sp=0xc0001cbfe0 pc=0x46d4c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:390 +0x105