panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0xa8 pc=0x102e241] goroutine 346 [running]: panic(0x126baa0, 0x20105a0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc000a4b048 sp=0xc000a4af80 pc=0x437c65 runtime.panicmem() GOROOT/src/runtime/panic.go:212 +0x5b fp=0xc000a4b068 sp=0xc000a4b048 pc=0x435cbb runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:734 +0x173 fp=0xc000a4b0a0 sp=0xc000a4b068 pc=0x44fa93 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc000a06360, 0xc0008e1500, 0xc000a066c0, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/fuse/connection.go:306 +0xa1 fp=0xc000a4b118 sp=0xc000a4b0a0 pc=0x102e241 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc000a06360, 0xc0008e1500, 0xc000a066c0, 0x1, 0x4, 0x15f8308) pkg/sentry/fsimpl/fuse/connection.go:278 +0x97 fp=0xc000a4b158 sp=0xc000a4b118 pc=0x102e017 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).setAttr(0xc00068c400, 0x15fbc58, 0xc0008e1500, 0xc000a3c000, 0xc00088bbc0, 0x18, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/fsimpl/fuse/fusefs.go:1065 +0x2f4 fp=0xc000a4b460 sp=0xc000a4b158 pc=0x10387f4 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).SetStat(0xc00068c400, 0x15fbc58, 0xc0008e1500, 0xc000a3c000, 0xc00088bbc0, 0x18, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/fsimpl/fuse/fusefs.go:1028 +0xcc fp=0xc000a4b550 sp=0xc000a4b460 pc=0x10384ac gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).SetStatAt(0xc000a3c000, 0x15fbc58, 0xc0008e1500, 0xc000b0e900, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/fsimpl/kernfs/filesystem.go:1082 +0x255 fp=0xc000a4b668 sp=0xc000a4b550 pc=0x8b6075 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).SetStatAt(0xc00035d080, 0x15fbc58, 0xc0008e1500, 0xc00088bbc0, 0xc000814988, 0xc000a4bac0, 0x0, 0x94ab60) pkg/sentry/vfs/vfs.go:733 +0x135 fp=0xc000a4b7f0 sp=0xc000a4b668 pc=0x7a27d5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.setstatat(0xc0008e1500, 0xffffff9c, 0xc000b0c500, 0x7, 0x1, 0x0, 0x0, 0xc000814ac0, 0x0, 0x0) pkg/sentry/syscalls/linux/vfs2/setstat.go:582 +0x22d fp=0xc000a4ba58 sp=0xc000a4b7f0 pc=0xf6e52d gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.fchownat(0xc0008e1500, 0xffffff9c, 0x200012c0, 0x0, 0x100, 0x0, 0x7fc9c8e689e0) pkg/sentry/syscalls/linux/vfs2/setstat.go:139 +0x1dd fp=0xc000a4bb70 sp=0xc000a4ba58 pc=0xf6c09d gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Lchown(0xc0008e1500, 0x200012c0, 0x0, 0x0, 0x7fc9c8e68700, 0x7fc9c8e68700, 0x0, 0x0, 0x0, 0x857f00000000, ...) pkg/sentry/syscalls/linux/vfs2/setstat.go:103 +0x85 fp=0xc000a4bbb8 sp=0xc000a4bb70 pc=0xf6bd85 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0008e1500, 0x5e, 0x200012c0, 0x0, 0x0, 0x7fc9c8e68700, 0x7fc9c8e68700, 0x0, 0x0, 0x1425da0, ...) pkg/sentry/kernel/task_syscall.go:115 +0x199 fp=0xc000a4bc78 sp=0xc000a4bbb8 pc=0xa84959 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0008e1500, 0x5e, 0x200012c0, 0x0, 0x0, 0x7fc9c8e68700, 0x7fc9c8e68700, 0x0, 0x7fc9c8e68700, 0x0) pkg/sentry/kernel/task_syscall.go:290 +0x70 fp=0xc000a4bd00 sp=0xc000a4bc78 pc=0xa85c30 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0008e1500, 0x5e, 0x200012c0, 0x0, 0x0, 0x7fc9c8e68700, 0x7fc9c8e68700, 0x0, 0xc0008cc8f0, 0x160ce68) pkg/sentry/kernel/task_syscall.go:237 +0xb4 fp=0xc000a4bd60 sp=0xc000a4bd00 pc=0xa85714 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0008e1500, 0x2, 0xc0008e1500) pkg/sentry/kernel/task_syscall.go:204 +0x198 fp=0xc000a4be30 sp=0xc000a4bd60 pc=0xa84ff8 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0008e1500, 0x15cea40, 0x0) pkg/sentry/kernel/task_run.go:294 +0xd9a fp=0xc000a4bf68 sp=0xc000a4be30 pc=0xa77f1a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0008e1500, 0x16) pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc000a4bfd0 sp=0xc000a4bf68 pc=0xa76cd9 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc000a4bfd8 sp=0xc000a4bfd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:398 +0x116