syzbot

panic: No file type specified in 'mode' for InodeAttrs.Init(): mode=00

goroutine 156 gp=0xc000b02700 m=3 mp=0xc000143008 [running]:
panic({0x1a9b200?, 0xc0000480d0?})
	GOROOT/src/runtime/panic.go:779 +0x158 fp=0xc0007b2a10 sp=0xc0007b2960 pc=0x43ed58
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).init(0xc0004a5c08, 0xc0007b2b98, 0x2000?, 0x0?, 0x0, 0x0, 0x8)
	pkg/sentry/fsimpl/fuse/inode.go:185 +0x259 fp=0xc0007b2a78 sp=0xc0007b2a10 pc=0x15d1859
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*filesystem).newInode(0xc0007c0180, {0xc000b02700?, 0xc0007f65c8?}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, ...}})
	pkg/sentry/fsimpl/fuse/fusefs.go:311 +0x2b7 fp=0xc0007b2c38 sp=0xc0007b2a78 pc=0x15d0a77
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).newEntry(0xc0007f6008, {0x2054c58, 0xc00030ea88}, {0x0?, 0xc00038f148?}, 0x0, 0x1, {0x2050970, 0xc0003e8560})
	pkg/sentry/fsimpl/fuse/inode.go:568 +0x413 fp=0xc0007b2e10 sp=0xc0007b2c38 pc=0x15d60f3
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).Lookup(0xc0007f6008, {0x2054c58, 0xc00030ea88}, {0xc000526a08, 0x5})
	pkg/sentry/fsimpl/fuse/inode.go:428 +0xcc fp=0xc0007b2e88 sp=0xc0007b2e10 pc=0x15d49cc
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).revalidateChildLocked(0xc0007c0180, {0x2054c58, 0xc00030ea88}, 0xc00028b1e8, 0xc00038f0e0, {0xc000526a08, 0x5})
	pkg/sentry/fsimpl/kernfs/filesystem.go:127 +0x366 fp=0xc0007b2f88 sp=0xc0007b2e88 pc=0xb9cd06
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).stepExistingLocked(0xc0007c0180, {0x2054c58, 0xc00030ea88}, 0xc0007ae908, 0xc00038f0e0)
	pkg/sentry/fsimpl/kernfs/filesystem.go:74 +0x33c fp=0xc0007b30a8 sp=0xc0007b2f88 pc=0xb9c59c
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).walkExistingLocked(0xc0007c0180, {0x2054c58, 0xc00030ea88}, 0xc0007ae908)
	pkg/sentry/fsimpl/kernfs/filesystem.go:189 +0xcd fp=0xc0007b3108 sp=0xc0007b30a8 pc=0xb9d4cd
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).GetDentryAt(0xc0007c0180, {0x2054c58, 0xc00030ea88}, 0xc0007ae908, {0x0?})
	pkg/sentry/fsimpl/kernfs/filesystem.go:350 +0x1b2 fp=0xc0007b3228 sp=0xc0007b3108 pc=0xb9e7b2
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*filesystem).GetDentryAt(0xc0007c0180, {0x2054c58, 0xc00030ea88}, 0xc0007ae908, {0xa0?})
	<autogenerated>:1 +0x65 fp=0xc0007b3280 sp=0xc0007b3228 pc=0x15ebf25
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).GetDentryAt(0xc00028b1e8, {0x2054c58, 0xc00030ea88}, 0xc0001d1c20, 0xc0007b3400, 0xc0007b338f)
	pkg/sentry/vfs/vfs.go:267 +0x133 fp=0xc0007b3300 sp=0xc0007b3280 pc=0xac5013
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Chdir(0xc00030ea88, 0x44af6d?, {{0x20000100}, {0x5fc2638ea4d8eddd}, {0x55e12b3a31a9}, {0x7f95fa4e16c0}, {0x7f95fa4e16c0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:336 +0x24b fp=0xc0007b34f0 sp=0xc0007b3300 pc=0x113ef0b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00030ea88, 0x50, {{0x20000100}, {0x5fc2638ea4d8eddd}, {0x55e12b3a31a9}, {0x7f95fa4e16c0}, {0x7f95fa4e16c0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x995 fp=0xc0007b3938 sp=0xc0007b34f0 pc=0xee5535
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00030ea88, 0x50, {{0x20000100}, {0x5fc2638ea4d8eddd}, {0x55e12b3a31a9}, {0x7f95fa4e16c0}, {0x7f95fa4e16c0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x72 fp=0xc0007b39e0 sp=0xc0007b3938 pc=0xee7392
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00030ea88, 0x50, {{0x20000100}, {0x5fc2638ea4d8eddd}, {0x55e12b3a31a9}, {0x7f95fa4e16c0}, {0x7f95fa4e16c0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x94 fp=0xc0007b3a50 sp=0xc0007b39e0 pc=0xee6d94
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00030ea88)
	pkg/sentry/kernel/task_syscall.go:258 +0x4b0 fp=0xc0007b3b80 sp=0xc0007b3a50 pc=0xee6930
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00030ea88?, 0xc00030ea88)
	pkg/sentry/kernel/task_run.go:263 +0x1fee fp=0xc0007b3e98 sp=0xc0007b3b80 pc=0xed002e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00030ea88, 0x8)
	pkg/sentry/kernel/task_run.go:98 +0x46d fp=0xc0007b3fb0 sp=0xc0007b3e98 pc=0xecd6ad
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:393 +0x45 fp=0xc0007b3fe0 sp=0xc0007b3fb0 pc=0xee2f05
runtime.goexit({})
	src/runtime/asm_amd64.s:1695 +0x1 fp=0xc0007b3fe8 sp=0xc0007b3fe0 pc=0x47d301
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 165
	pkg/sentry/kernel/task_start.go:393 +0x1ae