panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0xa8 pc=0xf23137] goroutine 326 [running]: panic(0x1155a00, 0x1d20380) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc000658fa0 sp=0xc000658ed8 pc=0x437c65 runtime.panicmem() GOROOT/src/runtime/panic.go:212 +0x5b fp=0xc000658fc0 sp=0xc000658fa0 pc=0x435cbb runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:734 +0x173 fp=0xc000658ff8 sp=0xc000658fc0 pc=0x44fa93 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc00062c840, 0xc000358000, 0xc0005e3560, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/fuse/connection.go:287 +0x97 fp=0xc000659070 sp=0xc000658ff8 pc=0xf23137 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc00062c840, 0xc000358000, 0xc0005e3560, 0x1, 0xc000000004, 0x14b3928) pkg/sentry/fsimpl/fuse/connection.go:262 +0x65 fp=0xc0006590b0 sp=0xc000659070 pc=0xf22f45 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).setAttr(0xc0005b7000, 0x14b7478, 0xc000358000, 0xc00045e780, 0xc0005e28a0, 0x18, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/fsimpl/fuse/fusefs.go:860 +0x2cd fp=0xc0006593b8 sp=0xc0006590b0 pc=0xf2c54d gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).SetStat(0xc0005b7000, 0x14b7478, 0xc000358000, 0xc00045e780, 0xc0005e28a0, 0x18, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/fsimpl/fuse/fusefs.go:828 +0xb5 fp=0xc0006594a8 sp=0xc0006593b8 pc=0xf2c235 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).SetStatAt(0xc00045e780, 0x14b7478, 0xc000358000, 0xc0005e6000, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/fsimpl/kernfs/filesystem.go:816 +0x215 fp=0xc0006595c0 sp=0xc0006594a8 pc=0x85dad5 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).SetStatAt(0xc000164180, 0x14b7478, 0xc000358000, 0xc0005e28a0, 0xc0005ab8e0, 0xc000659a18, 0x8a99e5, 0xc0001fa000) pkg/sentry/vfs/vfs.go:583 +0x115 fp=0xc000659748 sp=0xc0006595c0 pc=0x76c515 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.setstatat(0xc000358000, 0xffffff9c, 0xc000412900, 0x7, 0x1, 0xffffffffffff0000, 0x0, 0xc0005aba18, 0x0, 0x0) pkg/sentry/syscalls/linux/vfs2/setstat.go:458 +0x1ed fp=0xc0006599b0 sp=0xc000659748 pc=0xe6e5ad gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.fchownat(0xc000358000, 0xc0ffffff9c, 0x200012c0, 0x0, 0x300000100, 0xc0005c9800, 0xc0005abb28) pkg/sentry/syscalls/linux/vfs2/setstat.go:120 +0x1b4 fp=0xc000659ac8 sp=0xc0006599b0 pc=0xe6c5d4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Lchown(0xc000358000, 0x200012c0, 0x0, 0x0, 0x7faa94aa6700, 0x7faa94aa6700, 0x0, 0x1bcf, 0xc0005abbf4, 0x40000002, ...) pkg/sentry/syscalls/linux/vfs2/setstat.go:92 +0x5b fp=0xc000659b10 sp=0xc000659ac8 pc=0xe6c2fb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000358000, 0x5e, 0x200012c0, 0x0, 0x0, 0x7faa94aa6700, 0x7faa94aa6700, 0x0, 0x0, 0x130f8a0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc000659c70 sp=0xc000659b10 pc=0x9f1a1c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000358000, 0x5e, 0x200012c0, 0x0, 0x0, 0x7faa94aa6700, 0x7faa94aa6700, 0x0, 0x7faa94aa6700, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc000659cf8 sp=0xc000659c70 pc=0x9f2bc6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000358000, 0x5e, 0x200012c0, 0x0, 0x0, 0x7faa94aa6700, 0x7faa94aa6700, 0x0, 0x14c8688, 0xc000484c60) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc000659d58 sp=0xc000659cf8 pc=0x9f27b8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000358000, 0x2, 0xc000358000) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc000659e28 sp=0xc000659d58 pc=0x9f215c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000358000, 0x1489e40, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc000659f68 sp=0xc000659e28 pc=0x9e6ee7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000358000, 0x12) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc000659fd0 sp=0xc000659f68 pc=0x9e5e22 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc000659fd8 sp=0xc000659fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0xfe