panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0xa8 pc=0xf2a6d7] goroutine 1737940 [running]: panic(0x115cb00, 0x1d2e3c0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc00034f058 sp=0xc00034ef90 pc=0x437c65 runtime.panicmem() GOROOT/src/runtime/panic.go:212 +0x5b fp=0xc00034f078 sp=0xc00034f058 pc=0x435cbb runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:734 +0x173 fp=0xc00034f0b0 sp=0xc00034f078 pc=0x44fa93 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc08e7af8c0, 0xc0099fc000, 0xc0c458d380, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/fuse/connection.go:287 +0x97 fp=0xc00034f128 sp=0xc00034f0b0 pc=0xf2a6d7 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc08e7af8c0, 0xc0099fc000, 0xc0c458d380, 0x1, 0xc000000001, 0x14bd8a8) pkg/sentry/fsimpl/fuse/connection.go:262 +0x65 fp=0xc00034f168 sp=0xc00034f128 pc=0xf2a4e5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).newEntry(0xc01df84c00, 0x14c1818, 0xc0099fc000, 0xc09691c301, 0x3, 0x14b6b0000, 0x14bd8a8, 0xc00167fb40, 0xc00034f2f0, 0x0, ...) pkg/sentry/fsimpl/fuse/fusefs.go:602 +0x17b fp=0xc00034f280 sp=0xc00034f168 pc=0xf31e1b gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).Lookup(0xc01df84c00, 0x14c1818, 0xc0099fc000, 0xc09691c301, 0x3, 0x1012200000064, 0xa145633e8, 0x7, 0x6e602e48ee59b3) pkg/sentry/fsimpl/fuse/fusefs.go:493 +0xa9 fp=0xc00034f2f0 sp=0xc00034f280 pc=0xf30ee9 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).revalidateChildLocked(0xc024160c00, 0x14c1818, 0xc0099fc000, 0xc00039e400, 0xc01e463ef0, 0xc09691c301, 0x3, 0x0, 0x0, 0x0, ...) pkg/sentry/fsimpl/kernfs/filesystem.go:134 +0xa5 fp=0xc00034f368 sp=0xc00034f2f0 pc=0x8584e5 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).stepExistingLocked(0xc024160c00, 0x14c1818, 0xc0099fc000, 0xc09e138000, 0xc01e463ef0, 0x1, 0x435f7b, 0x0, 0x0) pkg/sentry/fsimpl/kernfs/filesystem.go:76 +0x1da fp=0xc00034f428 sp=0xc00034f368 pc=0x857e5a gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).walkExistingLocked(0xc024160c00, 0x14c1818, 0xc0099fc000, 0xc09e138000, 0x3fc3ddf2e340, 0xffffffffffffffff, 0x0) pkg/sentry/fsimpl/kernfs/filesystem.go:166 +0x85 fp=0xc00034f480 sp=0xc00034f428 pc=0x8587a5 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).OpenAt(0xc024160c00, 0x14c1818, 0xc0099fc000, 0xc09e138000, 0x0, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/kernfs/filesystem.go:475 +0x145 fp=0xc00034f6d8 sp=0xc00034f480 pc=0x85abc5 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc00039e400, 0x14c1818, 0xc0099fc000, 0xc000942540, 0xc002c459d0, 0xc00034f9b8, 0x100, 0xc08e7af980, 0xc01e463ef0) pkg/sentry/vfs/vfs.go:437 +0x196 fp=0xc00034f918 sp=0xc00034f6d8 pc=0x76b3b6 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.openat(0xc0099fc000, 0xc0ffffff9c, 0x20000340, 0xc000000000, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/syscalls/linux/vfs2/filesystem.go:179 +0x2c5 fp=0xc00034fab8 sp=0xc00034f918 pc=0xe62f45 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Openat(0xc0099fc000, 0xffffffffffffff9c, 0x20000340, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/filesystem.go:158 +0x55 fp=0xc00034fb10 sp=0xc00034fab8 pc=0xe62b95 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0099fc000, 0x101, 0xffffffffffffff9c, 0x20000340, 0x0, 0x0, 0x0, 0x0, 0xc000001fa0, 0x1318be0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc00034fc70 sp=0xc00034fb10 pc=0x9f19dc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0099fc000, 0x101, 0xffffffffffffff9c, 0x20000340, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc00034fcf8 sp=0xc00034fc70 pc=0x9f2b86 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0099fc000, 0x101, 0xffffffffffffff9c, 0x20000340, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc00034fd58 sp=0xc00034fcf8 pc=0x9f2778 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0099fc000, 0x2, 0xc0099fc000) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc00034fe28 sp=0xc00034fd58 pc=0x9f211c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0099fc000, 0x1493a00, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc00034ff68 sp=0xc00034fe28 pc=0x9e6ea7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0099fc000, 0xc15a) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc00034ffd0 sp=0xc00034ff68 pc=0x9e5de2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc00034ffd8 sp=0xc00034ffd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0xfe