panic: cgroupfs: pids controller pending pool would be negative if charge was allowed: current pool: 0, proposed charge: -1 goroutine 1288061 [running]: panic({0xfe4560, 0xc03faffb90}) GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc000be6ea0 sp=0xc000be6de0 pc=0x435837 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*pidsController).Charge(0xc03feb8b40, 0xc0368d9500, 0x11c5839?, 0x4?, 0xffffffffffffffff) pkg/sentry/fsimpl/cgroupfs/pids.go:207 +0x5f4 fp=0xc000be6f88 sp=0xc000be6ea0 pc=0xdc1154 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*cgroupInode).Charge(0xc03fe9ac00, 0x4268c5?, 0x203010?, {0x11c5839, 0x4}, 0x60?, 0x3fcb1862afff?) pkg/sentry/fsimpl/cgroupfs/base.go:321 +0x10d fp=0xc000be7010 sp=0xc000be6f88 pc=0xdb616d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).chargeLocked(0x438860?, 0xc008c3d1e0?, {0x11c5839, 0x4}, 0x449354?, 0xc012b4a300?) pkg/sentry/kernel/task_cgroup.go:234 +0xd7 fp=0xc000be70d0 sp=0xc000be7010 pc=0xa09b77 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).ChargeFor(0xc0370a3500, 0xc000be7188?, {0x11c5839, 0x4}, 0xc000be7100?, 0x0?) pkg/sentry/kernel/task_cgroup.go:245 +0xdf fp=0xc000be7158 sp=0xc000be70d0 pc=0xa09cdf gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask.func1() pkg/sentry/kernel/task_start.go:194 +0x45 fp=0xc000be71a8 sp=0xc000be7158 pc=0xa288a5 gvisor.dev/gvisor/pkg/cleanup.clean({0xc00e067910, 0xa3014f?, 0xc0003be230?}) pkg/cleanup/cleanup.go:59 +0x42 fp=0xc000be71c0 sp=0xc000be71a8 pc=0x6e8de2 gvisor.dev/gvisor/pkg/cleanup.(*Cleanup).Clean(0xc000be7490) pkg/cleanup/cleanup.go:44 +0x36 fp=0xc000be71e8 sp=0xc000be71c0 pc=0x6e8c16 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask.func2() pkg/sentry/kernel/task_start.go:180 +0x26 fp=0xc000be7200 sp=0xc000be71e8 pc=0xa28946 runtime.deferreturn() GOROOT/src/runtime/panic.go:436 +0x33 fp=0xc000be7240 sp=0xc000be7200 pc=0x434953 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask(0xc0003be230, {0x140f4f0?, 0xc0370a3500?}, 0xc000be77d8) pkg/sentry/kernel/task_start.go:211 +0x929 fp=0xc000be74b8 sp=0xc000be7240 pc=0xa280c9 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).NewTask(0xc0370a3500?, {0x140f4f0, 0xc0370a3500}, 0xc000be77d8) pkg/sentry/kernel/task_start.go:127 +0xb5 fp=0xc000be7530 sp=0xc000be74b8 pc=0xa275b5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc0370a3500, 0xc000be78b0) pkg/sentry/kernel/task_clone.go:224 +0x124f fp=0xc000be78a0 sp=0xc000be7530 pc=0xa0b0af gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x101000101010101?, 0x10001?, 0x0?, 0x0?, 0x0?, 0x0?) pkg/sentry/syscalls/linux/sys_thread.go:208 +0x8d fp=0xc000be7918 sp=0xc000be78a0 pc=0xad346d gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc0370a3500?, {{0x3d0f00}, {0x7f05b57222f0}, {0x7f05b57229d0}, {0x7f05b57229d0}, {0x7f05b5722700}, {0x7f05b5722700}}) pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x6e fp=0xc000be7958 sp=0xc000be7918 pc=0xa9a0ae gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0370a3500, 0x38, {{0x3d0f00}, {0x7f05b57222f0}, {0x7f05b57229d0}, {0x7f05b57229d0}, {0x7f05b5722700}, {0x7f05b5722700}}) pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc000be7c98 sp=0xc000be7958 pc=0xa2accb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0370a3500, 0xc00f758b60?, {{0x3d0f00}, {0x7f05b57222f0}, {0x7f05b57229d0}, {0x7f05b57229d0}, {0x7f05b5722700}, {0x7f05b5722700}}) pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc000be7cf8 sp=0xc000be7c98 pc=0xa2c2b4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0004bc040?, 0xc000be7e40?, {{0x3d0f00}, {0x7f05b57222f0}, {0x7f05b57229d0}, {0x7f05b57229d0}, {0x7f05b5722700}, {0x7f05b5722700}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc000be7d58 sp=0xc000be7cf8 pc=0xa2bea5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc009096fd0?) pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc000be7e50 sp=0xc000be7d58 pc=0xa2bb6c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc041bd4c00?, 0xc0370a3500) pkg/sentry/kernel/task_run.go:253 +0x1125 fp=0xc000be7f60 sp=0xc000be7e50 pc=0xa1d925 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0370a3500, 0xb07e) pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc000be7fc0 sp=0xc000be7f60 pc=0xa1c16c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc000be7fe0 sp=0xc000be7fc0 pc=0xa2916a runtime.goexit() src/runtime/asm_amd64.s:1571 +0x1 fp=0xc000be7fe8 sp=0xc000be7fe0 pc=0x469321 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:370 +0x105