panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0xa8 pc=0xf2a2f7] goroutine 554652 [running]: panic(0x115bb00, 0x1d2d3c0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0008cee20 sp=0xc0008ced58 pc=0x437c65 runtime.panicmem() GOROOT/src/runtime/panic.go:212 +0x5b fp=0xc0008cee40 sp=0xc0008cee20 pc=0x435cbb runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:734 +0x173 fp=0xc0008cee78 sp=0xc0008cee40 pc=0x44fa93 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc016bec1e0, 0xc016dd8a80, 0xc013249ec0, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/fuse/connection.go:287 +0x97 fp=0xc0008ceef0 sp=0xc0008cee78 pc=0xf2a2f7 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc016bec1e0, 0xc016dd8a80, 0xc013249ec0, 0x1, 0xc000000001, 0x14bc868) pkg/sentry/fsimpl/fuse/connection.go:262 +0x65 fp=0xc0008cef30 sp=0xc0008ceef0 pc=0xf2a105 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).newEntry(0xc016bea400, 0x14c07d8, 0xc016dd8a80, 0xc016da4c08, 0x5, 0x1012c0000, 0x14bc868, 0xc00e5bd4d0, 0x804ae3, 0x7f4925279000, ...) pkg/sentry/fsimpl/fuse/fusefs.go:602 +0x17b fp=0xc0008cf048 sp=0xc0008cef30 pc=0xf31a3b gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).Lookup(0xc016bea400, 0x14c07d8, 0xc016dd8a80, 0xc016da4c08, 0x5, 0x7f49252989d0, 0xc0008cf608, 0x4, 0xc0001ac078) pkg/sentry/fsimpl/fuse/fusefs.go:493 +0xa9 fp=0xc0008cf0b8 sp=0xc0008cf048 pc=0xf30b09 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).revalidateChildLocked(0xc015c13e00, 0x14c07d8, 0xc016dd8a80, 0xc0001a0180, 0xc016ba8510, 0xc016da4c08, 0x5, 0x0, 0x40, 0x4, ...) pkg/sentry/fsimpl/kernfs/filesystem.go:134 +0xa5 fp=0xc0008cf130 sp=0xc0008cf0b8 pc=0x8584e5 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).stepExistingLocked(0xc015c13e00, 0x14c07d8, 0xc016dd8a80, 0xc002ab0000, 0xc016ba8510, 0xc015c13e01, 0x2a98c9c5f701aa00, 0x1, 0x0) pkg/sentry/fsimpl/kernfs/filesystem.go:76 +0x1da fp=0xc0008cf1f0 sp=0xc0008cf130 pc=0x857e5a gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).walkExistingLocked(0xc015c13e00, 0x14c07d8, 0xc016dd8a80, 0xc002ab0000, 0xc016b34ff0, 0xc016bec2a0, 0xc016bec2a0) pkg/sentry/fsimpl/kernfs/filesystem.go:166 +0x85 fp=0xc0008cf248 sp=0xc0008cf1f0 pc=0x8587a5 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).StatAt(0xc015c13e00, 0x14c07d8, 0xc016dd8a80, 0xc002ab0000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/fsimpl/kernfs/filesystem.go:824 +0x118 fp=0xc0008cf478 sp=0xc0008cf248 pc=0x85dd18 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).StatAt(0xc0001a0180, 0x14c07d8, 0xc016dd8a80, 0xc0003ab500, 0xc0008cfab8, 0xc0008cf760, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/vfs/vfs.go:599 +0xe7 fp=0xc0008cf688 sp=0xc0008cf478 pc=0x76c727 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Statx(0xc016dd8a80, 0xffffffffffffff9c, 0x20004900, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/stat.go:215 +0x31f fp=0xc0008cfb10 sp=0xc0008cf688 pc=0xe8299f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc016dd8a80, 0x14c, 0xffffffffffffff9c, 0x20004900, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1317be0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc0008cfc70 sp=0xc0008cfb10 pc=0x9f19dc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc016dd8a80, 0x14c, 0xffffffffffffff9c, 0x20004900, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc0008cfcf8 sp=0xc0008cfc70 pc=0x9f2b86 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc016dd8a80, 0x14c, 0xffffffffffffff9c, 0x20004900, 0x0, 0x0, 0x0, 0x0, 0x14d19e8, 0xc0164f4fc0) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc0008cfd58 sp=0xc0008cfcf8 pc=0x9f2778 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc016dd8a80, 0x2, 0xc016dd8a80) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc0008cfe28 sp=0xc0008cfd58 pc=0x9f211c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc016dd8a80, 0x14929c0, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc0008cff68 sp=0xc0008cfe28 pc=0x9e6ea7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc016dd8a80, 0x5267) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc0008cffd0 sp=0xc0008cff68 pc=0x9e5de2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0008cffd8 sp=0xc0008cffd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0xfe