panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0xa8 pc=0xf2a2f7] goroutine 1068468 [running]: panic(0x115bb00, 0x1d2d3c0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc004562cd0 sp=0xc004562c08 pc=0x437c65 runtime.panicmem() GOROOT/src/runtime/panic.go:212 +0x5b fp=0xc004562cf0 sp=0xc004562cd0 pc=0x435cbb runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:734 +0x173 fp=0xc004562d28 sp=0xc004562cf0 pc=0x44fa93 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc01e824600, 0xc01e7af500, 0xc01ebaf0e0, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/fuse/connection.go:287 +0x97 fp=0xc004562da0 sp=0xc004562d28 pc=0xf2a2f7 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc01e824600, 0xc01e7af500, 0xc01ebaf0e0, 0x1, 0xc000000001, 0x14bc868) pkg/sentry/fsimpl/fuse/connection.go:262 +0x65 fp=0xc004562de0 sp=0xc004562da0 pc=0xf2a105 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).newEntry(0xc002d43c00, 0x14c07d8, 0xc01e7af500, 0xc020473208, 0x5, 0x116e30000, 0x14bc868, 0xc01d2a61e0, 0xc004562f68, 0x0, ...) pkg/sentry/fsimpl/fuse/fusefs.go:602 +0x17b fp=0xc004562ef8 sp=0xc004562de0 pc=0xf31a3b gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).Lookup(0xc002d43c00, 0x14c07d8, 0xc01e7af500, 0xc020473208, 0x5, 0x1011656556000, 0xa00000030, 0x0, 0x6d912bec0c4aeb) pkg/sentry/fsimpl/fuse/fusefs.go:493 +0xa9 fp=0xc004562f68 sp=0xc004562ef8 pc=0xf30b09 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).revalidateChildLocked(0xc0029d4d80, 0x14c07d8, 0xc01e7af500, 0xc0001da180, 0xc01bab6ea0, 0xc020473208, 0x5, 0x0, 0x40, 0xc0001b0e10, ...) pkg/sentry/fsimpl/kernfs/filesystem.go:134 +0xa5 fp=0xc004562fe0 sp=0xc004562f68 pc=0x8584e5 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).stepExistingLocked(0xc0029d4d80, 0x14c07d8, 0xc01e7af500, 0xc0218c9680, 0xc01bab6ea0, 0xc004563001, 0x912e58b872da27f9, 0xf47e0020b5838421, 0xf47e0020b5838421) pkg/sentry/fsimpl/kernfs/filesystem.go:76 +0x1da fp=0xc0045630a0 sp=0xc004562fe0 pc=0x857e5a gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).walkExistingLocked(0xc0029d4d80, 0x14c07d8, 0xc01e7af500, 0xc0218c9680, 0xc01e87ac30, 0xc01e8246c0, 0xc01e8246c0) pkg/sentry/fsimpl/kernfs/filesystem.go:166 +0x85 fp=0xc0045630f8 sp=0xc0045630a0 pc=0x8587a5 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).StatAt(0xc0029d4d80, 0x14c07d8, 0xc01e7af500, 0xc0218c9680, 0x7ff, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/fsimpl/kernfs/filesystem.go:824 +0x118 fp=0xc004563328 sp=0xc0045630f8 pc=0x85dd18 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).StatAt(0xc0001da180, 0x14c07d8, 0xc01e7af500, 0xc00029dd40, 0xc004563a70, 0xc004563610, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/vfs/vfs.go:599 +0xe7 fp=0xc004563538 sp=0xc004563328 pc=0x76c727 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.fstatat(0xc01e7af500, 0xc0ffffff9c, 0x20000740, 0x20004940, 0x300000000, 0x0, 0x0) pkg/sentry/syscalls/linux/vfs2/stat.go:104 +0x2a9 fp=0xc004563ac8 sp=0xc004563538 pc=0xe81ca9 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Stat(0xc01e7af500, 0x20000740, 0x20004940, 0x0, 0x0, 0x0, 0x0, 0xacc22, 0xc004563bf4, 0x40000002, ...) pkg/sentry/syscalls/linux/vfs2/stat.go:34 +0x4f fp=0xc004563b10 sp=0xc004563ac8 pc=0xe8186f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc01e7af500, 0x4, 0x20000740, 0x20004940, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1317be0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc004563c70 sp=0xc004563b10 pc=0x9f19dc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc01e7af500, 0x4, 0x20000740, 0x20004940, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc004563cf8 sp=0xc004563c70 pc=0x9f2b86 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc01e7af500, 0x4, 0x20000740, 0x20004940, 0x0, 0x0, 0x0, 0x0, 0x14d19e8, 0xc0211306c0) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc004563d58 sp=0xc004563cf8 pc=0x9f2778 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc01e7af500, 0x2, 0xc01e7af500) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc004563e28 sp=0xc004563d58 pc=0x9f211c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc01e7af500, 0x14929c0, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc004563f68 sp=0xc004563e28 pc=0x9e6ea7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc01e7af500, 0xc4db) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc004563fd0 sp=0xc004563f68 pc=0x9e5de2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc004563fd8 sp=0xc004563fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0xfe