panic: cgroupfs: pids controller pending pool would be negative if charge was allowed: current pool: 0, proposed charge: -1 goroutine 995053 [running]: panic({0xfdaa60, 0xc00de6e640}) GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc0093eaeb0 sp=0xc0093eadf0 pc=0x435837 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*pidsController).Charge(0xc00a425500, 0xc009e12000, 0x11b9293?, 0x4?, 0xffffffffffffffff) pkg/sentry/fsimpl/cgroupfs/pids.go:207 +0x5f4 fp=0xc0093eaf98 sp=0xc0093eaeb0 pc=0xdbbc94 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*cgroupInode).Charge(0xc002665880, 0xc006dfc1f0?, 0xc006dfc000?, {0x11b9293, 0x4}, 0x0?, 0x0?) pkg/sentry/fsimpl/cgroupfs/base.go:321 +0x10d fp=0xc0093eb020 sp=0xc0093eaf98 pc=0xdb0cad gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).chargeLocked(0x449837?, 0x1e872e0?, {0x11b9293, 0x4}, 0xdc0?, 0xc008d84240?) pkg/sentry/kernel/task_cgroup.go:234 +0xd7 fp=0xc0093eb0e0 sp=0xc0093eb020 pc=0xa04057 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).ChargeFor(0xc003331500, 0xc0093eb198?, {0x11b9293, 0x4}, 0xc0093eb100?, 0x0?) pkg/sentry/kernel/task_cgroup.go:245 +0xdf fp=0xc0093eb168 sp=0xc0093eb0e0 pc=0xa041bf gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask.func1() pkg/sentry/kernel/task_start.go:194 +0x45 fp=0xc0093eb1b8 sp=0xc0093eb168 pc=0xa22d25 gvisor.dev/gvisor/pkg/cleanup.clean({0xc012ce6dd8, 0xa2a1af?, 0xc00022e9a0?}) pkg/cleanup/cleanup.go:59 +0x42 fp=0xc0093eb1d0 sp=0xc0093eb1b8 pc=0x6e1442 gvisor.dev/gvisor/pkg/cleanup.(*Cleanup).Clean(0xc0093eb4a0) pkg/cleanup/cleanup.go:44 +0x36 fp=0xc0093eb1f8 sp=0xc0093eb1d0 pc=0x6e1276 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask.func2() pkg/sentry/kernel/task_start.go:180 +0x26 fp=0xc0093eb210 sp=0xc0093eb1f8 pc=0xa22dc6 runtime.deferreturn() GOROOT/src/runtime/panic.go:436 +0x33 fp=0xc0093eb250 sp=0xc0093eb210 pc=0x434953 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask(0xc00022e9a0, {0x1405af0?, 0xc003331500?}, 0xc0093eb7e8) pkg/sentry/kernel/task_start.go:211 +0x93b fp=0xc0093eb4c8 sp=0xc0093eb250 pc=0xa2253b gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).NewTask(0xc003331500?, {0x1405af0, 0xc003331500}, 0xc0093eb7e8) pkg/sentry/kernel/task_start.go:127 +0xb5 fp=0xc0093eb540 sp=0xc0093eb4c8 pc=0xa21a15 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc003331500, 0xc0093eb8c0) pkg/sentry/kernel/task_clone.go:224 +0x11da fp=0xc0093eb8b0 sp=0xc0093eb540 pc=0xa0551a gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x0?, 0x0?, 0xc007f84000?, 0xc002a30000?, 0x0?, 0x0?) pkg/sentry/syscalls/linux/sys_thread.go:208 +0x8d fp=0xc0093eb928 sp=0xc0093eb8b0 pc=0xacc1cd gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0x20000?, {{0x3d0f00}, {0x7f9b424692f0}, {0x7f9b424699d0}, {0x7f9b424699d0}, {0x7f9b42469700}, {0x7f9b42469700}}) pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x6e fp=0xc0093eb968 sp=0xc0093eb928 pc=0xa9298e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc003331500, 0x38, {{0x3d0f00}, {0x7f9b424692f0}, {0x7f9b424699d0}, {0x7f9b424699d0}, {0x7f9b42469700}, {0x7f9b42469700}}) pkg/sentry/kernel/task_syscall.go:142 +0x7d0 fp=0xc0093ebca8 sp=0xc0093eb968 pc=0xa25130 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc003331500, 0x0?, {{0x3d0f00}, {0x7f9b424692f0}, {0x7f9b424699d0}, {0x7f9b424699d0}, {0x7f9b42469700}, {0x7f9b42469700}}) pkg/sentry/kernel/task_syscall.go:322 +0x57 fp=0xc0093ebd18 sp=0xc0093ebca8 pc=0xa26737 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000ece378?, 0x3331500?, {{0x3d0f00}, {0x7f9b424692f0}, {0x7f9b424699d0}, {0x7f9b424699d0}, {0x7f9b42469700}, {0x7f9b42469700}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc0093ebd78 sp=0xc0093ebd18 pc=0xa262e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc003331500) pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc0093ebe40 sp=0xc0093ebd78 pc=0xa25fac gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc006df4480?, 0xc003331500) pkg/sentry/kernel/task_run.go:253 +0x113b fp=0xc0093ebf60 sp=0xc0093ebe40 pc=0xa17dbb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc003331500, 0x550d) pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc0093ebfc0 sp=0xc0093ebf60 pc=0xa165ec gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc0093ebfe0 sp=0xc0093ebfc0 pc=0xa235ea runtime.goexit() src/runtime/asm_amd64.s:1571 +0x1 fp=0xc0093ebfe8 sp=0xc0093ebfe0 pc=0x469321 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:370 +0x105