panic: cgroupfs: pids controller pending pool would be negative if charge was allowed: current pool: 0, proposed charge: -1 goroutine 756059 [running]: panic({0xfe2140, 0xc0077ed410}) GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc000950eb0 sp=0xc000950df0 pc=0x435837 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*pidsController).Charge(0xc004df54a0, 0xc007316000, 0x11c2933?, 0x4?, 0xffffffffffffffff) pkg/sentry/fsimpl/cgroupfs/pids.go:207 +0x5f4 fp=0xc000950f98 sp=0xc000950eb0 pc=0xdc2454 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*cgroupInode).Charge(0xc006939c00, 0x7f8c2e0fdb00?, 0x41504f?, {0x11c2933, 0x4}, 0x203001?, 0x400?) pkg/sentry/fsimpl/cgroupfs/base.go:321 +0x10d fp=0xc000951020 sp=0xc000950f98 pc=0xdb746d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).chargeLocked(0x0?, 0x100000008?, {0x11c2933, 0x4}, 0xa07787?, 0x8?) pkg/sentry/kernel/task_cgroup.go:234 +0xd7 fp=0xc0009510e0 sp=0xc000951020 pc=0xa077d7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).ChargeFor(0xc007297500, 0xc0009511d8?, {0x11c2933, 0x4}, 0xc0009511a0?, 0xc002846900?) pkg/sentry/kernel/task_cgroup.go:245 +0xdf fp=0xc000951168 sp=0xc0009510e0 pc=0xa0793f gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask.func1() pkg/sentry/kernel/task_start.go:194 +0x45 fp=0xc0009511b8 sp=0xc000951168 pc=0xa264a5 gvisor.dev/gvisor/pkg/cleanup.clean({0xc008d2ff58, 0xa2d92f?, 0xc0007061c0?}) pkg/cleanup/cleanup.go:59 +0x42 fp=0xc0009511d0 sp=0xc0009511b8 pc=0x6e1442 gvisor.dev/gvisor/pkg/cleanup.(*Cleanup).Clean(0xc0009514a0) pkg/cleanup/cleanup.go:44 +0x36 fp=0xc0009511f8 sp=0xc0009511d0 pc=0x6e1276 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask.func2() pkg/sentry/kernel/task_start.go:180 +0x26 fp=0xc000951210 sp=0xc0009511f8 pc=0xa26546 runtime.deferreturn() GOROOT/src/runtime/panic.go:436 +0x33 fp=0xc000951250 sp=0xc000951210 pc=0x434953 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask(0xc0007061c0, {0x140df30?, 0xc007297500?}, 0xc0009517e8) pkg/sentry/kernel/task_start.go:211 +0x93b fp=0xc0009514c8 sp=0xc000951250 pc=0xa25cbb gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).NewTask(0xc007297500?, {0x140df30, 0xc007297500}, 0xc0009517e8) pkg/sentry/kernel/task_start.go:127 +0xb5 fp=0xc000951540 sp=0xc0009514c8 pc=0xa25195 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc007297500, 0xc0009518c0) pkg/sentry/kernel/task_clone.go:224 +0x11da fp=0xc0009518b0 sp=0xc000951540 pc=0xa08c9a gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x0?, 0x0?, 0x1?, 0x0?, 0xc000951950?, 0xc000951af8?) pkg/sentry/syscalls/linux/sys_thread.go:208 +0x8d fp=0xc000951928 sp=0xc0009518b0 pc=0xad10ed gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0x0?, {{0x3d0f00}, {0x7f4185dff2f0}, {0x7f4185dff9d0}, {0x7f4185dff9d0}, {0x7f4185dff700}, {0x7f4185dff700}}) pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x6e fp=0xc000951968 sp=0xc000951928 pc=0xa978ae gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc007297500, 0x38, {{0x3d0f00}, {0x7f4185dff2f0}, {0x7f4185dff9d0}, {0x7f4185dff9d0}, {0x7f4185dff700}, {0x7f4185dff700}}) pkg/sentry/kernel/task_syscall.go:142 +0x7d0 fp=0xc000951ca8 sp=0xc000951968 pc=0xa288b0 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc007297500, 0x0?, {{0x3d0f00}, {0x7f4185dff2f0}, {0x7f4185dff9d0}, {0x7f4185dff9d0}, {0x7f4185dff700}, {0x7f4185dff700}}) pkg/sentry/kernel/task_syscall.go:322 +0x57 fp=0xc000951d18 sp=0xc000951ca8 pc=0xa29eb7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc008a64120?, 0xc007282b60?, {{0x3d0f00}, {0x7f4185dff2f0}, {0x7f4185dff9d0}, {0x7f4185dff9d0}, {0x7f4185dff700}, {0x7f4185dff700}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc000951d78 sp=0xc000951d18 pc=0xa29a65 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc007297500) pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc000951e40 sp=0xc000951d78 pc=0xa2972c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc007067280?, 0xc007297500) pkg/sentry/kernel/task_run.go:253 +0x113b fp=0xc000951f60 sp=0xc000951e40 pc=0xa1b53b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc007297500, 0x7c91) pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc000951fc0 sp=0xc000951f60 pc=0xa19d6c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc000951fe0 sp=0xc000951fc0 pc=0xa26d6a runtime.goexit() src/runtime/asm_amd64.s:1571 +0x1 fp=0xc000951fe8 sp=0xc000951fe0 pc=0x469321 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:370 +0x105