panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0xa8 pc=0xf2a2f7] goroutine 1776196 [running]: panic(0x115bb00, 0x1d2d3c0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc000be1058 sp=0xc000be0f90 pc=0x437c65 runtime.panicmem() GOROOT/src/runtime/panic.go:212 +0x5b fp=0xc000be1078 sp=0xc000be1058 pc=0x435cbb runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:734 +0x173 fp=0xc000be10b0 sp=0xc000be1078 pc=0x44fa93 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc012fd2780, 0xc012211500, 0xc012fd3ce0, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/fuse/connection.go:287 +0x97 fp=0xc000be1128 sp=0xc000be10b0 pc=0xf2a2f7 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc012fd2780, 0xc012211500, 0xc012fd3ce0, 0x1, 0xc000000001, 0x14bc868) pkg/sentry/fsimpl/fuse/connection.go:262 +0x65 fp=0xc000be1168 sp=0xc000be1128 pc=0xf2a105 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).newEntry(0xc012fc0400, 0x14c07d8, 0xc012211500, 0xc012118501, 0x3, 0x113200000, 0x14bc868, 0xc01125a8d0, 0xc000be12f0, 0x0, ...) pkg/sentry/fsimpl/fuse/fusefs.go:602 +0x17b fp=0xc000be1280 sp=0xc000be1168 pc=0xf31a3b gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).Lookup(0xc012fc0400, 0x14c07d8, 0xc012211500, 0xc012118501, 0x3, 0x101c00752c040, 0xa00000001, 0x1, 0x6e30256cd8d3d7) pkg/sentry/fsimpl/fuse/fusefs.go:493 +0xa9 fp=0xc000be12f0 sp=0xc000be1280 pc=0xf30b09 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).revalidateChildLocked(0xc013862a80, 0x14c07d8, 0xc012211500, 0xc000352b80, 0xc00f77b440, 0xc012118501, 0x3, 0x0, 0x100, 0x7f0100000001, ...) pkg/sentry/fsimpl/kernfs/filesystem.go:134 +0xa5 fp=0xc000be1368 sp=0xc000be12f0 pc=0x8584e5 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).stepExistingLocked(0xc013862a80, 0x14c07d8, 0xc012211500, 0xc0125be000, 0xc00f77b440, 0x1, 0x435f7b, 0x0, 0x0) pkg/sentry/fsimpl/kernfs/filesystem.go:76 +0x1da fp=0xc000be1428 sp=0xc000be1368 pc=0x857e5a gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).walkExistingLocked(0xc013862a80, 0x14c07d8, 0xc012211500, 0xc0125be000, 0x7f4fab7eea80, 0xffffffffffffffff, 0x0) pkg/sentry/fsimpl/kernfs/filesystem.go:166 +0x85 fp=0xc000be1480 sp=0xc000be1428 pc=0x8587a5 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).OpenAt(0xc013862a80, 0x14c07d8, 0xc012211500, 0xc0125be000, 0x0, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/kernfs/filesystem.go:475 +0x145 fp=0xc000be16d8 sp=0xc000be1480 pc=0x85abc5 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc000352b80, 0x14c07d8, 0xc012211500, 0xc00032b0e0, 0xc0016659d0, 0xc000be19b8, 0x100, 0xc012fd2840, 0xc00f77b440) pkg/sentry/vfs/vfs.go:437 +0x196 fp=0xc000be1918 sp=0xc000be16d8 pc=0x76b3b6 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.openat(0xc012211500, 0xffffff9c, 0x20000a80, 0xc000000000, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/syscalls/linux/vfs2/filesystem.go:179 +0x2c5 fp=0xc000be1ab8 sp=0xc000be1918 pc=0xe62f45 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Openat(0xc012211500, 0xffffffffffffff9c, 0x20000a80, 0x0, 0x0, 0x0, 0x0, 0xaa219, 0xc001665bf4, 0x40000002, ...) pkg/sentry/syscalls/linux/vfs2/filesystem.go:158 +0x55 fp=0xc000be1b10 sp=0xc000be1ab8 pc=0xe62b95 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc012211500, 0x101, 0xffffffffffffff9c, 0x20000a80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1317be0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc000be1c70 sp=0xc000be1b10 pc=0x9f19dc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc012211500, 0x101, 0xffffffffffffff9c, 0x20000a80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc000be1cf8 sp=0xc000be1c70 pc=0x9f2b86 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc012211500, 0x101, 0xffffffffffffff9c, 0x20000a80, 0x0, 0x0, 0x0, 0x0, 0x14d19e8, 0xc0129da360) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc000be1d58 sp=0xc000be1cf8 pc=0x9f2778 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc012211500, 0x2, 0xc012211500) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc000be1e28 sp=0xc000be1d58 pc=0x9f211c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc012211500, 0x14929c0, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc000be1f68 sp=0xc000be1e28 pc=0x9e6ea7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc012211500, 0x19df) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc000be1fd0 sp=0xc000be1f68 pc=0x9e5de2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc000be1fd8 sp=0xc000be1fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0xfe