panic: cgroupfs: pids controller pending pool would be negative if charge was allowed: current pool: 0, proposed charge: -1 goroutine 1888373 [running]: panic({0xfe3400, 0xc00837e9a0}) GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc002390ea0 sp=0xc002390de0 pc=0x435837 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*pidsController).Charge(0xc0078e3ce0, 0xc008485500, 0x11c3e79?, 0x4?, 0xffffffffffffffff) pkg/sentry/fsimpl/cgroupfs/pids.go:207 +0x5f4 fp=0xc002390f88 sp=0xc002390ea0 pc=0xdc3454 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*cgroupInode).Charge(0xc00191dc00, 0xc0087909f0?, 0xc008790800?, {0x11c3e79, 0x4}, 0x0?, 0x0?) pkg/sentry/fsimpl/cgroupfs/base.go:321 +0x10d fp=0xc002391010 sp=0xc002390f88 pc=0xdb846d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).chargeLocked(0x449812?, 0x1e9c360?, {0x11c3e79, 0x4}, 0x2740?, 0xc006437f80?) pkg/sentry/kernel/task_cgroup.go:234 +0xd7 fp=0xc0023910d0 sp=0xc002391010 pc=0xa07737 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).ChargeFor(0xc00448c000, 0xc002391188?, {0x11c3e79, 0x4}, 0xc002391100?, 0x0?) pkg/sentry/kernel/task_cgroup.go:245 +0xdf fp=0xc002391158 sp=0xc0023910d0 pc=0xa0789f gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask.func1() pkg/sentry/kernel/task_start.go:194 +0x45 fp=0xc0023911a8 sp=0xc002391158 pc=0xa26485 gvisor.dev/gvisor/pkg/cleanup.clean({0xc003556550, 0xa2d6cf?, 0xc000234af0?}) pkg/cleanup/cleanup.go:59 +0x42 fp=0xc0023911c0 sp=0xc0023911a8 pc=0x6e1362 gvisor.dev/gvisor/pkg/cleanup.(*Cleanup).Clean(0xc002391490) pkg/cleanup/cleanup.go:44 +0x36 fp=0xc0023911e8 sp=0xc0023911c0 pc=0x6e1196 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask.func2() pkg/sentry/kernel/task_start.go:180 +0x26 fp=0xc002391200 sp=0xc0023911e8 pc=0xa26526 runtime.deferreturn() GOROOT/src/runtime/panic.go:436 +0x33 fp=0xc002391240 sp=0xc002391200 pc=0x434953 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask(0xc000234af0, {0x140fa10?, 0xc00448c000?}, 0xc0023917d8) pkg/sentry/kernel/task_start.go:211 +0x929 fp=0xc0023914b8 sp=0xc002391240 pc=0xa25ca9 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).NewTask(0xc00448c000?, {0x140fa10, 0xc00448c000}, 0xc0023917d8) pkg/sentry/kernel/task_start.go:127 +0xb5 fp=0xc002391530 sp=0xc0023914b8 pc=0xa25195 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc00448c000, 0xc0023918b0) pkg/sentry/kernel/task_clone.go:224 +0x124f fp=0xc0023918a0 sp=0xc002391530 pc=0xa08c6f gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x101000101010101?, 0x10001?, 0x0?, 0x0?, 0x0?, 0x0?) pkg/sentry/syscalls/linux/sys_thread.go:208 +0x8d fp=0xc002391918 sp=0xc0023918a0 pc=0xad09cd gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc00448c000?, {{0x3d0f00}, {0x7f900d1172f0}, {0x7f900d1179d0}, {0x7f900d1179d0}, {0x7f900d117700}, {0x7f900d117700}}) pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x6e fp=0xc002391958 sp=0xc002391918 pc=0xa9760e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00448c000, 0x38, {{0x3d0f00}, {0x7f900d1172f0}, {0x7f900d1179d0}, {0x7f900d1179d0}, {0x7f900d117700}, {0x7f900d117700}}) pkg/sentry/kernel/task_syscall.go:142 +0x7d0 fp=0xc002391c98 sp=0xc002391958 pc=0xa28870 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00448c000, 0x0?, {{0x3d0f00}, {0x7f900d1172f0}, {0x7f900d1179d0}, {0x7f900d1179d0}, {0x7f900d117700}, {0x7f900d117700}}) pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc002391cf8 sp=0xc002391c98 pc=0xa29e34 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00037c400?, 0xc002391e40?, {{0x3d0f00}, {0x7f900d1172f0}, {0x7f900d1179d0}, {0x7f900d1179d0}, {0x7f900d117700}, {0x7f900d117700}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc002391d58 sp=0xc002391cf8 pc=0xa29a25 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00448c000) pkg/sentry/kernel/task_syscall.go:257 +0x3b5 fp=0xc002391e50 sp=0xc002391d58 pc=0xa296f5 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00448c000?, 0xc00448c000) pkg/sentry/kernel/task_run.go:253 +0x1145 fp=0xc002391f60 sp=0xc002391e50 pc=0xa1b505 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00448c000, 0xb16c) pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc002391fc0 sp=0xc002391f60 pc=0xa19d2c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc002391fe0 sp=0xc002391fc0 pc=0xa26d4a runtime.goexit() src/runtime/asm_amd64.s:1571 +0x1 fp=0xc002391fe8 sp=0xc002391fe0 pc=0x469321 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:370 +0x105