panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0xa8 pc=0x103a27a] goroutine 63 [running]: panic(0x1276f00, 0x202acc0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc000779360 sp=0xc000779298 pc=0x437c65 runtime.panicmem() GOROOT/src/runtime/panic.go:212 +0x5b fp=0xc000779380 sp=0xc000779360 pc=0x435cbb runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:734 +0x173 fp=0xc0007793b8 sp=0xc000779380 pc=0x44fa93 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc0005f2d20, 0xc000b8c000, 0xc000642400, 0x1b00000030, 0x8, 0x1) pkg/sentry/fsimpl/fuse/connection.go:318 +0x3a fp=0xc000779418 sp=0xc0007793b8 pc=0x103a27a gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc0005f2d20, 0xc000b8c000, 0xc000642400, 0x1, 0x1b, 0x1608a70) pkg/sentry/fsimpl/fuse/connection.go:291 +0xf2 fp=0xc000779488 sp=0xc000779418 pc=0x1039f92 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).Open(0xc0005a4400, 0x160c7d8, 0xc000b8c000, 0xc000aba480, 0xc0004cca20, 0x40, 0x0, 0xc000232e30, 0xc00052e5d3) pkg/sentry/fsimpl/fuse/fusefs.go:559 +0x5e5 fp=0xc000779530 sp=0xc000779488 pc=0x1041865 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).OpenAt(0xc00064a3c0, 0x160c7d8, 0xc000b8c000, 0xc000aba480, 0x40, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/kernfs/filesystem.go:688 +0x11d5 fp=0xc000779780 sp=0xc000779530 pc=0x8b6dd5 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc00023b080, 0x160c7d8, 0xc000b8c000, 0xc00074a660, 0xc00052ea78, 0xc000779a60, 0x100, 0xc0002814a0, 0xc000512d00) pkg/sentry/vfs/vfs.go:530 +0x236 fp=0xc0007799c0 sp=0xc000779780 pc=0x7a4596 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.openat(0xc000b8c000, 0xffffff9c, 0x20001fc0, 0x2040, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/syscalls/linux/vfs2/filesystem.go:219 +0x31c fp=0xc000779b60 sp=0xc0007799c0 pc=0xf6373c gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Openat(0xc000b8c000, 0xffffff9c, 0x20001fc0, 0x2040, 0x0, 0x7f5bcbfc1700, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/filesystem.go:192 +0x87 fp=0xc000779bb8 sp=0xc000779b60 pc=0xf63307 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000b8c000, 0x101, 0xffffff9c, 0x20001fc0, 0x2040, 0x0, 0x7f5bcbfc1700, 0x0, 0xc000001fa0, 0x1433f80, ...) pkg/sentry/kernel/task_syscall.go:115 +0x199 fp=0xc000779c78 sp=0xc000779bb8 pc=0xa87939 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000b8c000, 0x101, 0xffffff9c, 0x20001fc0, 0x2040, 0x0, 0x7f5bcbfc1700, 0x0, 0x7f5bcbfc1700, 0x0) pkg/sentry/kernel/task_syscall.go:290 +0x70 fp=0xc000779d00 sp=0xc000779c78 pc=0xa88c10 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000b8c000, 0x101, 0xffffff9c, 0x20001fc0, 0x2040, 0x0, 0x7f5bcbfc1700, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:237 +0xb4 fp=0xc000779d60 sp=0xc000779d00 pc=0xa886f4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000b8c000, 0x2, 0xc000b8c000) pkg/sentry/kernel/task_syscall.go:204 +0x198 fp=0xc000779e30 sp=0xc000779d60 pc=0xa87fd8 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000b8c000, 0x15deb80, 0x0) pkg/sentry/kernel/task_run.go:294 +0xd9a fp=0xc000779f68 sp=0xc000779e30 pc=0xa7ae7a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000b8c000, 0x15) pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc000779fd0 sp=0xc000779f68 pc=0xa79c39 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc000779fd8 sp=0xc000779fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:396 +0x116