panic: invalid allocation length: 0x0 goroutine 131280 [running]: panic({0x10e8c80, 0xc004229310}) GOROOT/src/runtime/panic.go:1147 +0x3a8 fp=0xc0054dd170 sp=0xc0054dd0b0 pc=0x435148 gvisor.dev/gvisor/pkg/sentry/pgalloc.(*MemoryFile).Allocate(0xc006f30600, 0xc006f3aa80, {0xc0054dd2b8, 0x94b2b1}) pkg/sentry/pgalloc/pgalloc.go:417 +0x5f4 fp=0xc0054dd280 sp=0xc0054dd170 pc=0x81b614 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsInternalLocked(0xc006f34000, {0x14ca230, 0xc006f3aa80}, {0xc006977800, 0x438107}, {0xc0054dd718, 0x9022d8}, {0x0, 0x1, 0x0}) pkg/sentry/mm/pma.go:243 +0x1949 fp=0xc0054dd688 sp=0xc0054dd280 pc=0x8e5629 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0x14ca230, {0x14ca230, 0xc006f3aa80}, {0xc006977800, 0xd8e56a}, {0xc0050b4958, 0xc006f3aa80}, {0x0, 0x1, 0x0}) pkg/sentry/mm/pma.go:125 +0x10e fp=0xc0054dd728 sp=0xc0054dd688 pc=0x8e374e gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc006f34000, {0x14ca230, 0xc006f3aa80}, {0x14cd300, 0xc004848800}, {0x80, 0x1a, 0x95}, 0x6, 0x1326e60) pkg/sentry/mm/io.go:542 +0x289 fp=0xc0054dd810 sp=0xc0054dd728 pc=0x8dd229 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).EnsurePMAsExist(0xf4240, {0x14ca230, 0xc006f3aa80}, 0x0, 0x0, {0x0, 0x0}) pkg/sentry/mm/io.go:322 +0xab fp=0xc0054dd858 sp=0xc0054dd810 pc=0x8dbd2b gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.getdents(0xc006f3aa80, {{0x3}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}}, 0x0) pkg/sentry/syscalls/linux/vfs2/getdents.go:53 +0x177 fp=0xc0054dd920 sp=0xc0054dd858 pc=0xd91bf7 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Getdents(0xc006f3aa80, {{0x3}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/getdents.go:31 +0x45 fp=0xc0054dd970 sp=0xc0054dd920 pc=0xd919c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc006f3aa80, 0x4e, {{0x3}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x7db fp=0xc0054ddcb8 sp=0xc0054dd970 pc=0xa4bf7b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc006f3aa80, 0x0, {{0x3}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x57 fp=0xc0054ddd28 sp=0xc0054ddcb8 pc=0xa4d597 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00556dc38, 0x3ba690, {{0x3}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc0054ddd88 sp=0xc0054ddd28 pc=0xa4d145 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc006f3aa80) pkg/sentry/kernel/task_syscall.go:257 +0x3a5 fp=0xc0054dde50 sp=0xc0054ddd88 pc=0xa4ce05 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc004848780, 0xc006f3aa80) pkg/sentry/kernel/task_run.go:247 +0x112a fp=0xc0054ddf70 sp=0xc0054dde50 pc=0xa3ec0a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc006f3aa80) pkg/sentry/kernel/task_run.go:90 +0x1ec fp=0xc0054ddfc8 sp=0xc0054ddf70 pc=0xa3d42c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start·dwrap·239() pkg/sentry/kernel/task_start.go:364 +0x26 fp=0xc0054ddfe0 sp=0xc0054ddfc8 pc=0xa4a426 runtime.goexit() src/runtime/asm_amd64.s:1581 +0x1 fp=0xc0054ddfe8 sp=0xc0054ddfe0 pc=0x4692a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:364 +0xf5