panic: cgroupfs: pids controller pending pool would be negative if charge was allowed: current pool: 0, proposed charge: -1 goroutine 1992266 [running]: panic({0xfe3400, 0xc00b532230}) GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc0068f6ea0 sp=0xc0068f6de0 pc=0x435837 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*pidsController).Charge(0xc0009c82a0, 0xc0081ed500, 0x11c3e79?, 0x4?, 0xffffffffffffffff) pkg/sentry/fsimpl/cgroupfs/pids.go:207 +0x5f4 fp=0xc0068f6f88 sp=0xc0068f6ea0 pc=0xdc3454 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*cgroupInode).Charge(0xc001f8b500, 0xc009980188?, 0xc009980000?, {0x11c3e79, 0x4}, 0x0?, 0x0?) pkg/sentry/fsimpl/cgroupfs/base.go:321 +0x10d fp=0xc0068f7010 sp=0xc0068f6f88 pc=0xdb846d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).chargeLocked(0x449812?, 0x1e9c7e0?, {0x11c3e79, 0x4}, 0x2bc0?, 0xc007f107e0?) pkg/sentry/kernel/task_cgroup.go:234 +0xd7 fp=0xc0068f70d0 sp=0xc0068f7010 pc=0xa07737 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).ChargeFor(0xc006460000, 0xc0068f7188?, {0x11c3e79, 0x4}, 0xc0068f7100?, 0x0?) pkg/sentry/kernel/task_cgroup.go:245 +0xdf fp=0xc0068f7158 sp=0xc0068f70d0 pc=0xa0789f gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask.func1() pkg/sentry/kernel/task_start.go:194 +0x45 fp=0xc0068f71a8 sp=0xc0068f7158 pc=0xa26485 gvisor.dev/gvisor/pkg/cleanup.clean({0xc00a85b0e0, 0xa2d6cf?, 0xc00023a9a0?}) pkg/cleanup/cleanup.go:59 +0x42 fp=0xc0068f71c0 sp=0xc0068f71a8 pc=0x6e1362 gvisor.dev/gvisor/pkg/cleanup.(*Cleanup).Clean(0xc0068f7490) pkg/cleanup/cleanup.go:44 +0x36 fp=0xc0068f71e8 sp=0xc0068f71c0 pc=0x6e1196 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask.func2() pkg/sentry/kernel/task_start.go:180 +0x26 fp=0xc0068f7200 sp=0xc0068f71e8 pc=0xa26526 runtime.deferreturn() GOROOT/src/runtime/panic.go:436 +0x33 fp=0xc0068f7240 sp=0xc0068f7200 pc=0x434953 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask(0xc00023a9a0, {0x140fa10?, 0xc006460000?}, 0xc0068f77d8) pkg/sentry/kernel/task_start.go:211 +0x929 fp=0xc0068f74b8 sp=0xc0068f7240 pc=0xa25ca9 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).NewTask(0xc006460000?, {0x140fa10, 0xc006460000}, 0xc0068f77d8) pkg/sentry/kernel/task_start.go:127 +0xb5 fp=0xc0068f7530 sp=0xc0068f74b8 pc=0xa25195 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc006460000, 0xc0068f78b0) pkg/sentry/kernel/task_clone.go:224 +0x124f fp=0xc0068f78a0 sp=0xc0068f7530 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=0xc0068f7918 sp=0xc0068f78a0 pc=0xad09cd gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc006460000?, {{0x3d0f00}, {0x7f2645ca22f0}, {0x7f2645ca29d0}, {0x7f2645ca29d0}, {0x7f2645ca2700}, {0x7f2645ca2700}}) pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x6e fp=0xc0068f7958 sp=0xc0068f7918 pc=0xa9760e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc006460000, 0x38, {{0x3d0f00}, {0x7f2645ca22f0}, {0x7f2645ca29d0}, {0x7f2645ca29d0}, {0x7f2645ca2700}, {0x7f2645ca2700}}) pkg/sentry/kernel/task_syscall.go:142 +0x7d0 fp=0xc0068f7c98 sp=0xc0068f7958 pc=0xa28870 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc006460000, 0x0?, {{0x3d0f00}, {0x7f2645ca22f0}, {0x7f2645ca29d0}, {0x7f2645ca29d0}, {0x7f2645ca2700}, {0x7f2645ca2700}}) pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc0068f7cf8 sp=0xc0068f7c98 pc=0xa29e34 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000368400?, 0xc0068f7e40?, {{0x3d0f00}, {0x7f2645ca22f0}, {0x7f2645ca29d0}, {0x7f2645ca29d0}, {0x7f2645ca2700}, {0x7f2645ca2700}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc0068f7d58 sp=0xc0068f7cf8 pc=0xa29a25 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc006460000) pkg/sentry/kernel/task_syscall.go:257 +0x3b5 fp=0xc0068f7e50 sp=0xc0068f7d58 pc=0xa296f5 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00691ff80?, 0xc006460000) pkg/sentry/kernel/task_run.go:253 +0x1145 fp=0xc0068f7f60 sp=0xc0068f7e50 pc=0xa1b505 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc006460000, 0xe036) pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc0068f7fc0 sp=0xc0068f7f60 pc=0xa19d2c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc0068f7fe0 sp=0xc0068f7fc0 pc=0xa26d4a runtime.goexit() src/runtime/asm_amd64.s:1571 +0x1 fp=0xc0068f7fe8 sp=0xc0068f7fe0 pc=0x469321 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:370 +0x105