panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0xa8 pc=0xf2a2f7] goroutine 2383484 [running]: panic(0x115bb00, 0x1d2d3c0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0020becd0 sp=0xc0020bec08 pc=0x437c65 runtime.panicmem() GOROOT/src/runtime/panic.go:212 +0x5b fp=0xc0020becf0 sp=0xc0020becd0 pc=0x435cbb runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:734 +0x173 fp=0xc0020bed28 sp=0xc0020becf0 pc=0x44fa93 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc008553e60, 0xc0230a3500, 0xc005092c60, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/fuse/connection.go:287 +0x97 fp=0xc0020beda0 sp=0xc0020bed28 pc=0xf2a2f7 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc008553e60, 0xc0230a3500, 0xc005092c60, 0x1, 0xc000000001, 0x14bc868) pkg/sentry/fsimpl/fuse/connection.go:262 +0x65 fp=0xc0020bede0 sp=0xc0020beda0 pc=0xf2a105 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).newEntry(0xc01d35d800, 0x14c07d8, 0xc0230a3500, 0xc0222ec608, 0x5, 0x143fa0000, 0x14bc868, 0xc008805120, 0xc0020bef68, 0x0, ...) pkg/sentry/fsimpl/fuse/fusefs.go:602 +0x17b fp=0xc0020beef8 sp=0xc0020bede0 pc=0xf31a3b gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).Lookup(0xc01d35d800, 0x14c07d8, 0xc0230a3500, 0xc0222ec608, 0x5, 0x10161932d0000, 0x1200000030, 0x18d1200, 0x6daddf29469726) pkg/sentry/fsimpl/fuse/fusefs.go:493 +0xa9 fp=0xc0020bef68 sp=0xc0020beef8 pc=0xf30b09 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).revalidateChildLocked(0xc00b45f200, 0x14c07d8, 0xc0230a3500, 0xc000520180, 0xc021fd4ea0, 0xc0222ec608, 0x5, 0x0, 0x40, 0xc00016e5a0, ...) pkg/sentry/fsimpl/kernfs/filesystem.go:134 +0xa5 fp=0xc0020befe0 sp=0xc0020bef68 pc=0x8584e5 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).stepExistingLocked(0xc00b45f200, 0x14c07d8, 0xc0230a3500, 0xc0264f7200, 0xc021fd4ea0, 0xc0020bf001, 0x16fffaa7206478ac, 0x9b46addbe41c5377, 0x9b46addbe41c5377) pkg/sentry/fsimpl/kernfs/filesystem.go:76 +0x1da fp=0xc0020bf0a0 sp=0xc0020befe0 pc=0x857e5a gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).walkExistingLocked(0xc00b45f200, 0x14c07d8, 0xc0230a3500, 0xc0264f7200, 0xc0056e4a50, 0xc0051d8000, 0x43ad9c) pkg/sentry/fsimpl/kernfs/filesystem.go:166 +0x85 fp=0xc0020bf0f8 sp=0xc0020bf0a0 pc=0x8587a5 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).StatAt(0xc00b45f200, 0x14c07d8, 0xc0230a3500, 0xc0264f7200, 0x7ff, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/fsimpl/kernfs/filesystem.go:824 +0x118 fp=0xc0020bf328 sp=0xc0020bf0f8 pc=0x85dd18 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).StatAt(0xc000520180, 0x14c07d8, 0xc0230a3500, 0xc00326e7e0, 0xc0020bfa70, 0xc0020bf610, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/vfs/vfs.go:599 +0xe7 fp=0xc0020bf538 sp=0xc0020bf328 pc=0x76c727 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.fstatat(0xc0230a3500, 0xc0ffffff9c, 0x20000580, 0x200005c0, 0x300000000, 0x0, 0x0) pkg/sentry/syscalls/linux/vfs2/stat.go:104 +0x2a9 fp=0xc0020bfac8 sp=0xc0020bf538 pc=0xe81ca9 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Stat(0xc0230a3500, 0x20000580, 0x200005c0, 0x0, 0x0, 0x0, 0x0, 0xa134f, 0xc0011dbbf4, 0x40000002, ...) pkg/sentry/syscalls/linux/vfs2/stat.go:34 +0x4f fp=0xc0020bfb10 sp=0xc0020bfac8 pc=0xe8186f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0230a3500, 0x4, 0x20000580, 0x200005c0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1317be0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc0020bfc70 sp=0xc0020bfb10 pc=0x9f19dc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0230a3500, 0x4, 0x20000580, 0x200005c0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc0020bfcf8 sp=0xc0020bfc70 pc=0x9f2b86 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0230a3500, 0x4, 0x20000580, 0x200005c0, 0x0, 0x0, 0x0, 0x0, 0x14d19e8, 0xc0002ad0e0) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc0020bfd58 sp=0xc0020bfcf8 pc=0x9f2778 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0230a3500, 0x2, 0xc0230a3500) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc0020bfe28 sp=0xc0020bfd58 pc=0x9f211c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0230a3500, 0x14929c0, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc0020bff68 sp=0xc0020bfe28 pc=0x9e6ea7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0230a3500, 0xf13e) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc0020bffd0 sp=0xc0020bff68 pc=0x9e5de2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0020bffd8 sp=0xc0020bffd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0xfe