panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0xa8 pc=0xf2a2f7] goroutine 119 [running]: panic(0x115bb00, 0x1d2d3c0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0006b72d0 sp=0xc0006b7208 pc=0x437c65 runtime.panicmem() GOROOT/src/runtime/panic.go:212 +0x5b fp=0xc0006b72f0 sp=0xc0006b72d0 pc=0x435cbb runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:734 +0x173 fp=0xc0006b7328 sp=0xc0006b72f0 pc=0x44fa93 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc00048dec0, 0xc000a08000, 0xc000191e00, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/fuse/connection.go:287 +0x97 fp=0xc0006b73a0 sp=0xc0006b7328 pc=0xf2a2f7 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc00048dec0, 0xc000a08000, 0xc000191e00, 0x1, 0xc00000001b, 0x14bc9a0) pkg/sentry/fsimpl/fuse/connection.go:262 +0x65 fp=0xc0006b73e0 sp=0xc0006b73a0 pc=0xf2a105 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).Open(0xc000101800, 0x14c07d8, 0xc000a08000, 0xc000a06000, 0xc0001ea990, 0x8000000241, 0x0, 0xc0001faa70, 0xc0006b7523) pkg/sentry/fsimpl/fuse/fusefs.go:439 +0x289 fp=0xc0006b7480 sp=0xc0006b73e0 pc=0xf304a9 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).OpenAt(0xc000304780, 0x14c07d8, 0xc000a08000, 0xc000a06000, 0x8000000241, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/kernfs/filesystem.go:523 +0x124f fp=0xc0006b76d8 sp=0xc0006b7480 pc=0x85bccf gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc0001ff300, 0x14c07d8, 0xc000a08000, 0xc00048dd40, 0xc0006b79d0, 0xc0006b79b8, 0x100, 0xc000220840, 0xc00031e900) pkg/sentry/vfs/vfs.go:437 +0x196 fp=0xc0006b7918 sp=0xc0006b76d8 pc=0x76b3b6 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.openat(0xc000a08000, 0xffffff9c, 0x20000240, 0x241, 0x80, 0x0, 0x0, 0x0, 0x0) pkg/sentry/syscalls/linux/vfs2/filesystem.go:179 +0x2c5 fp=0xc0006b7ab8 sp=0xc0006b7918 pc=0xe62f45 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Creat(0xc000a08000, 0x20000240, 0x80, 0x559cb9788c89, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/filesystem.go:165 +0x4f fp=0xc0006b7b10 sp=0xc0006b7ab8 pc=0xe62c2f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000a08000, 0x55, 0x20000240, 0x80, 0x559cb9788c89, 0x0, 0x0, 0x0, 0xc000001fa0, 0x1317be0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc0006b7c70 sp=0xc0006b7b10 pc=0x9f19dc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000a08000, 0x55, 0x20000240, 0x80, 0x559cb9788c89, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc0006b7cf8 sp=0xc0006b7c70 pc=0x9f2b86 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000a08000, 0x55, 0x20000240, 0x80, 0x559cb9788c89, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc0006b7d58 sp=0xc0006b7cf8 pc=0x9f2778 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000a08000, 0x2, 0xc000a08000) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc0006b7e28 sp=0xc0006b7d58 pc=0x9f211c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000a08000, 0x14929c0, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc0006b7f68 sp=0xc0006b7e28 pc=0x9e6ea7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000a08000, 0x1b) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc0006b7fd0 sp=0xc0006b7f68 pc=0x9e5de2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0006b7fd8 sp=0xc0006b7fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0xfe