panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0xa8 pc=0xf2a6d7] goroutine 3520898 [running]: panic(0x115cb00, 0x1d2e3c0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc000c970b0 sp=0xc000c96fe8 pc=0x437c65 runtime.panicmem() GOROOT/src/runtime/panic.go:212 +0x5b fp=0xc000c970d0 sp=0xc000c970b0 pc=0x435cbb runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:734 +0x173 fp=0xc000c97108 sp=0xc000c970d0 pc=0x44fa93 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc002e46540, 0xc001ccf500, 0xc0070195c0, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/fuse/connection.go:287 +0x97 fp=0xc000c97180 sp=0xc000c97108 pc=0xf2a6d7 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc002e46540, 0xc001ccf500, 0xc0070195c0, 0x1, 0xc000000001, 0x14bd8a8) pkg/sentry/fsimpl/fuse/connection.go:262 +0x65 fp=0xc000c971c0 sp=0xc000c97180 pc=0xf2a4e5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).newEntry(0xc0027b2800, 0x14c1818, 0xc001ccf500, 0xc0031dea08, 0x5, 0x1051e0000, 0x14bd8a8, 0xc0001b9e00, 0x2200000064, 0xc0051ea138, ...) pkg/sentry/fsimpl/fuse/fusefs.go:602 +0x17b fp=0xc000c972d8 sp=0xc000c971c0 pc=0xf31e1b gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).Lookup(0xc0027b2800, 0x14c1818, 0xc001ccf500, 0xc0031dea08, 0x5, 0x82c97d1af844a044, 0x82c97d1af844a044, 0xc00037a4e0, 0xc0065da820) pkg/sentry/fsimpl/fuse/fusefs.go:493 +0xa9 fp=0xc000c97348 sp=0xc000c972d8 pc=0xf30ee9 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).revalidateChildLocked(0xc00d860b40, 0x14c1818, 0xc001ccf500, 0xc0001a0180, 0xc004de1cb0, 0xc0031dea08, 0x5, 0x0, 0x5c0, 0x17, ...) pkg/sentry/fsimpl/kernfs/filesystem.go:134 +0xa5 fp=0xc000c973c0 sp=0xc000c97348 pc=0x8584e5 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).stepExistingLocked(0xc00d860b40, 0x14c1818, 0xc001ccf500, 0xc0010d1200, 0xc004de1cb0, 0x0, 0x0, 0xc000354a70, 0xc000c97523) pkg/sentry/fsimpl/kernfs/filesystem.go:76 +0x1da fp=0xc000c97480 sp=0xc000c973c0 pc=0x857e5a gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).OpenAt(0xc00d860b40, 0x14c1818, 0xc001ccf500, 0xc0010d1200, 0x10900000241, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/kernfs/filesystem.go:548 +0x69c fp=0xc000c976d8 sp=0xc000c97480 pc=0x85b11c gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc0001a0180, 0x14c1818, 0xc001ccf500, 0xc0000137a0, 0xc0067e69d0, 0xc000c979b8, 0x100, 0xc00037b8c0, 0xc000484900) pkg/sentry/vfs/vfs.go:437 +0x196 fp=0xc000c97918 sp=0xc000c976d8 pc=0x76b3b6 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.openat(0xc001ccf500, 0xffffff9c, 0x20000000, 0xc000000241, 0x10b, 0x0, 0x0, 0x0, 0x0) pkg/sentry/syscalls/linux/vfs2/filesystem.go:179 +0x2c5 fp=0xc000c97ab8 sp=0xc000c97918 pc=0xe62f45 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Creat(0xc001ccf500, 0x20000000, 0x10b, 0x0, 0x0, 0x0, 0x0, 0xf1cb7, 0xc0067e6bf4, 0x40000002, ...) pkg/sentry/syscalls/linux/vfs2/filesystem.go:165 +0x4f fp=0xc000c97b10 sp=0xc000c97ab8 pc=0xe62c2f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001ccf500, 0x55, 0x20000000, 0x10b, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1318be0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc000c97c70 sp=0xc000c97b10 pc=0x9f19dc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001ccf500, 0x55, 0x20000000, 0x10b, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc000c97cf8 sp=0xc000c97c70 pc=0x9f2b86 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc001ccf500, 0x55, 0x20000000, 0x10b, 0x0, 0x0, 0x0, 0x0, 0x14d2a28, 0xc02ba53440) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc000c97d58 sp=0xc000c97cf8 pc=0x9f2778 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001ccf500, 0x2, 0xc001ccf500) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc000c97e28 sp=0xc000c97d58 pc=0x9f211c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc001ccf500, 0x1493a00, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc000c97f68 sp=0xc000c97e28 pc=0x9e6ea7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001ccf500, 0xf190) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc000c97fd0 sp=0xc000c97f68 pc=0x9e5de2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc000c97fd8 sp=0xc000c97fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0xfe