panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0xa8 pc=0xf2a2f7] goroutine 3885174 [running]: panic(0x115bb00, 0x1d2d3c0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc00751afa0 sp=0xc00751aed8 pc=0x437c65 runtime.panicmem() GOROOT/src/runtime/panic.go:212 +0x5b fp=0xc00751afc0 sp=0xc00751afa0 pc=0x435cbb runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:734 +0x173 fp=0xc00751aff8 sp=0xc00751afc0 pc=0x44fa93 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc013281860, 0xc004af6000, 0xc025dddda0, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/fuse/connection.go:287 +0x97 fp=0xc00751b070 sp=0xc00751aff8 pc=0xf2a2f7 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc013281860, 0xc004af6000, 0xc025dddda0, 0x1, 0xc000000004, 0x14bcba8) pkg/sentry/fsimpl/fuse/connection.go:262 +0x65 fp=0xc00751b0b0 sp=0xc00751b070 pc=0xf2a105 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).setAttr(0xc003f13800, 0x14c07d8, 0xc004af6000, 0xc0159b20c0, 0xc017141da0, 0x18, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/fsimpl/fuse/fusefs.go:860 +0x2cd fp=0xc00751b3b8 sp=0xc00751b0b0 pc=0xf3370d gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).SetStat(0xc003f13800, 0x14c07d8, 0xc004af6000, 0xc0159b20c0, 0xc017141da0, 0x18, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/fsimpl/fuse/fusefs.go:828 +0xb5 fp=0xc00751b4a8 sp=0xc00751b3b8 pc=0xf333f5 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).SetStatAt(0xc0159b20c0, 0x14c07d8, 0xc004af6000, 0xc004266000, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/fsimpl/kernfs/filesystem.go:816 +0x215 fp=0xc00751b5c0 sp=0xc00751b4a8 pc=0x85dad5 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).SetStatAt(0xc0001f1300, 0x14c07d8, 0xc004af6000, 0xc017141da0, 0xc00054d8e0, 0xc00751ba18, 0x8a99e5, 0xc002bea000) pkg/sentry/vfs/vfs.go:583 +0x115 fp=0xc00751b748 sp=0xc00751b5c0 pc=0x76c515 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.setstatat(0xc004af6000, 0xffffff9c, 0xc00990ab00, 0x7, 0x1, 0xc005f10000, 0x100, 0xc00054da18, 0x0, 0x0) pkg/sentry/syscalls/linux/vfs2/setstat.go:458 +0x1ed fp=0xc00751b9b0 sp=0xc00751b748 pc=0xe754ad gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.fchownat(0xc004af6000, 0xc0ffffff9c, 0x20000440, 0x0, 0x0, 0x563a7191f2a8, 0x0) pkg/sentry/syscalls/linux/vfs2/setstat.go:120 +0x1b4 fp=0xc00751bac8 sp=0xc00751b9b0 pc=0xe734d4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Chown(0xc004af6000, 0x20000440, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/setstat.go:84 +0x5b fp=0xc00751bb10 sp=0xc00751bac8 pc=0xe7313b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc004af6000, 0x5c, 0x20000440, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc000001fa0, 0x1317be0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc00751bc70 sp=0xc00751bb10 pc=0x9f19dc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc004af6000, 0x5c, 0x20000440, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc00751bcf8 sp=0xc00751bc70 pc=0x9f2b86 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc004af6000, 0x5c, 0x20000440, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc00751bd58 sp=0xc00751bcf8 pc=0x9f2778 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc004af6000, 0x2, 0xc004af6000) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc00751be28 sp=0xc00751bd58 pc=0x9f211c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc004af6000, 0x14929c0, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc00751bf68 sp=0xc00751be28 pc=0x9e6ea7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc004af6000, 0xc81e) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc00751bfd0 sp=0xc00751bf68 pc=0x9e5de2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc00751bfd8 sp=0xc00751bfd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0xfe