panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0xa8 pc=0xf2a8f0] goroutine 118 [running]: panic(0x115cb80, 0x1d2f3c0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0007552b8 sp=0xc0007551f0 pc=0x437c65 runtime.panicmem() GOROOT/src/runtime/panic.go:212 +0x5b fp=0xc0007552d8 sp=0xc0007552b8 pc=0x435cbb runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:734 +0x173 fp=0xc000755310 sp=0xc0007552d8 pc=0x44fa93 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc0005aa840, 0xc00036d500, 0xc000998120, 0x1b00000030, 0x8, 0x1) pkg/sentry/fsimpl/fuse/connection.go:299 +0x30 fp=0xc000755370 sp=0xc000755310 pc=0xf2a8f0 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc0005aa840, 0xc00036d500, 0xc000998120, 0x1, 0xc00000001b, 0x14bdca0) pkg/sentry/fsimpl/fuse/connection.go:275 +0xb8 fp=0xc0007553e0 sp=0xc000755370 pc=0xf2a698 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).Open(0xc000209000, 0x14c1ad8, 0xc00036d500, 0xc00065c480, 0xc0005ae120, 0x241, 0x0, 0xc0001fa9d0, 0xc00053c523) pkg/sentry/fsimpl/fuse/fusefs.go:442 +0x289 fp=0xc000755480 sp=0xc0007553e0 pc=0xf30b09 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).OpenAt(0xc000666000, 0x14c1ad8, 0xc00036d500, 0xc00065c480, 0x241, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/kernfs/filesystem.go:523 +0x124f fp=0xc0007556d8 sp=0xc000755480 pc=0x85bccf gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc00039e400, 0x14c1ad8, 0xc00036d500, 0xc000345920, 0xc00053c9d0, 0xc0007559b8, 0x100, 0xc0002208a0, 0xc000323200) pkg/sentry/vfs/vfs.go:437 +0x196 fp=0xc000755918 sp=0xc0007556d8 pc=0x76b3b6 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.openat(0xc00036d500, 0xc0ffffff9c, 0x20000000, 0xc000000241, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/syscalls/linux/vfs2/filesystem.go:179 +0x2c5 fp=0xc000755ab8 sp=0xc000755918 pc=0xe62e05 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Creat(0xc00036d500, 0x20000000, 0x0, 0x7f2c19a19700, 0x7f2c19a19700, 0x7f2c19a19700, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/filesystem.go:165 +0x4f fp=0xc000755b10 sp=0xc000755ab8 pc=0xe62aef gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00036d500, 0x55, 0x20000000, 0x0, 0x7f2c19a19700, 0x7f2c19a19700, 0x7f2c19a19700, 0x0, 0xc000001fa0, 0x1318d60, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc000755c70 sp=0xc000755b10 pc=0x9f171c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00036d500, 0x55, 0x20000000, 0x0, 0x7f2c19a19700, 0x7f2c19a19700, 0x7f2c19a19700, 0x0, 0x7f2c19a19700, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc000755cf8 sp=0xc000755c70 pc=0x9f28c6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00036d500, 0x55, 0x20000000, 0x0, 0x7f2c19a19700, 0x7f2c19a19700, 0x7f2c19a19700, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc000755d58 sp=0xc000755cf8 pc=0x9f24b8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00036d500, 0x2, 0xc00036d500) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc000755e28 sp=0xc000755d58 pc=0x9f1e5c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00036d500, 0x1493ca0, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc000755f68 sp=0xc000755e28 pc=0x9e6b87 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00036d500, 0x1b) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc000755fd0 sp=0xc000755f68 pc=0x9e5ac2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc000755fd8 sp=0xc000755fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:339 +0xfe