panic: cgroupfs: pids controller pending pool would be negative if charge was allowed: current pool: 0, proposed charge: -1 goroutine 408155 [running]: panic({0xfe3320, 0xc003e53130}) GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc001634ea0 sp=0xc001634de0 pc=0x435837 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*pidsController).Charge(0xc006f47920, 0xc005ded500, 0x11c41b9?, 0x4?, 0xffffffffffffffff) pkg/sentry/fsimpl/cgroupfs/pids.go:207 +0x5f4 fp=0xc001634f88 sp=0xc001634ea0 pc=0xdc0774 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*cgroupInode).Charge(0xc0056b2000, 0xc004fe8988?, 0xc004fe8800?, {0x11c41b9, 0x4}, 0x203001?, 0x203001?) pkg/sentry/fsimpl/cgroupfs/base.go:321 +0x10d fp=0xc001635010 sp=0xc001634f88 pc=0xdb578d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).chargeLocked(0x449812?, 0x1e9d3a0?, {0x11c41b9, 0x4}, 0x2bc0?, 0xc0036626c0?) pkg/sentry/kernel/task_cgroup.go:234 +0xd7 fp=0xc0016350d0 sp=0xc001635010 pc=0xa09ff7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).ChargeFor(0xc006cbca80, 0xc0016351c8?, {0x11c41b9, 0x4}, 0xc001635190?, 0xc003d0ff80?) pkg/sentry/kernel/task_cgroup.go:245 +0xdf fp=0xc001635158 sp=0xc0016350d0 pc=0xa0a15f gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask.func1() pkg/sentry/kernel/task_start.go:194 +0x45 fp=0xc0016351a8 sp=0xc001635158 pc=0xa28d25 gvisor.dev/gvisor/pkg/cleanup.clean({0xc004eb07b8, 0xa305cf?, 0xc00023a9a0?}) pkg/cleanup/cleanup.go:59 +0x42 fp=0xc0016351c0 sp=0xc0016351a8 pc=0x6e9402 gvisor.dev/gvisor/pkg/cleanup.(*Cleanup).Clean(0xc001635490) pkg/cleanup/cleanup.go:44 +0x36 fp=0xc0016351e8 sp=0xc0016351c0 pc=0x6e9236 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask.func2() pkg/sentry/kernel/task_start.go:180 +0x26 fp=0xc001635200 sp=0xc0016351e8 pc=0xa28dc6 runtime.deferreturn() GOROOT/src/runtime/panic.go:436 +0x33 fp=0xc001635240 sp=0xc001635200 pc=0x434953 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask(0xc00023a9a0, {0x140dd30?, 0xc006cbca80?}, 0xc0016357d8) pkg/sentry/kernel/task_start.go:211 +0x929 fp=0xc0016354b8 sp=0xc001635240 pc=0xa28549 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).NewTask(0xc006cbca80?, {0x140dd30, 0xc006cbca80}, 0xc0016357d8) pkg/sentry/kernel/task_start.go:127 +0xb5 fp=0xc001635530 sp=0xc0016354b8 pc=0xa27a35 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc006cbca80, 0xc0016358b0) pkg/sentry/kernel/task_clone.go:224 +0x124f fp=0xc0016358a0 sp=0xc001635530 pc=0xa0b52f gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x101000101010101?, 0x10001?, 0x0?, 0x0?, 0x0?, 0x0?) pkg/sentry/syscalls/linux/sys_thread.go:208 +0x8d fp=0xc001635918 sp=0xc0016358a0 pc=0xad38ed gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc006cbca80?, {{0x3d0f00}, {0x7f0f2f4672f0}, {0x7f0f2f4679d0}, {0x7f0f2f4679d0}, {0x7f0f2f467700}, {0x7f0f2f467700}}) pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x6e fp=0xc001635958 sp=0xc001635918 pc=0xa9a52e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc006cbca80, 0x38, {{0x3d0f00}, {0x7f0f2f4672f0}, {0x7f0f2f4679d0}, {0x7f0f2f4679d0}, {0x7f0f2f467700}, {0x7f0f2f467700}}) pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc001635c98 sp=0xc001635958 pc=0xa2b14b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc006cbca80, 0xc0020c9380?, {{0x3d0f00}, {0x7f0f2f4672f0}, {0x7f0f2f4679d0}, {0x7f0f2f4679d0}, {0x7f0f2f467700}, {0x7f0f2f467700}}) pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc001635cf8 sp=0xc001635c98 pc=0xa2c734 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0004d0040?, 0xc001635e40?, {{0x3d0f00}, {0x7f0f2f4672f0}, {0x7f0f2f4679d0}, {0x7f0f2f4679d0}, {0x7f0f2f467700}, {0x7f0f2f467700}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc001635d58 sp=0xc001635cf8 pc=0xa2c325 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc006e636b0?) pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc001635e50 sp=0xc001635d58 pc=0xa2bfec gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc007379280?, 0xc006cbca80) pkg/sentry/kernel/task_run.go:253 +0x1125 fp=0xc001635f60 sp=0xc001635e50 pc=0xa1dda5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc006cbca80, 0x2258) pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc001635fc0 sp=0xc001635f60 pc=0xa1c5ec gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc001635fe0 sp=0xc001635fc0 pc=0xa295ea runtime.goexit() src/runtime/asm_amd64.s:1571 +0x1 fp=0xc001635fe8 sp=0xc001635fe0 pc=0x469321 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:370 +0x105