panic: cgroupfs: pids controller pending pool would be negative if charge was allowed: current pool: 0, proposed charge: -1 goroutine 1201984 [running]: panic({0xfe2380, 0xc009cd8b10}) GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc0097e6ea0 sp=0xc0097e6de0 pc=0x435837 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*pidsController).Charge(0xc008a9d980, 0xc006a1b500, 0x11c30ed?, 0x4?, 0xffffffffffffffff) pkg/sentry/fsimpl/cgroupfs/pids.go:207 +0x5f4 fp=0xc0097e6f88 sp=0xc0097e6ea0 pc=0xdbf2d4 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*cgroupInode).Charge(0xc008517400, 0xc003601188?, 0xc003601000?, {0x11c30ed, 0x4}, 0x3f5e69881500?, 0x0?) pkg/sentry/fsimpl/cgroupfs/base.go:321 +0x10d fp=0xc0097e7010 sp=0xc0097e6f88 pc=0xdb42ed gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).chargeLocked(0x438860?, 0xc0074289c0?, {0x11c30ed, 0x4}, 0x449354?, 0xc0020f3680?) pkg/sentry/kernel/task_cgroup.go:234 +0xd7 fp=0xc0097e70d0 sp=0xc0097e7010 pc=0xa08e97 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).ChargeFor(0xc00477d500, 0xc0097e7188?, {0x11c30ed, 0x4}, 0xc0097e7100?, 0x0?) pkg/sentry/kernel/task_cgroup.go:245 +0xdf fp=0xc0097e7158 sp=0xc0097e70d0 pc=0xa08fff gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask.func1() pkg/sentry/kernel/task_start.go:194 +0x45 fp=0xc0097e71a8 sp=0xc0097e7158 pc=0xa27bc5 gvisor.dev/gvisor/pkg/cleanup.clean({0xc00558a920, 0xa2f46f?, 0xc0003761c0?}) pkg/cleanup/cleanup.go:59 +0x42 fp=0xc0097e71c0 sp=0xc0097e71a8 pc=0x6e7ba2 gvisor.dev/gvisor/pkg/cleanup.(*Cleanup).Clean(0xc0097e7490) pkg/cleanup/cleanup.go:44 +0x36 fp=0xc0097e71e8 sp=0xc0097e71c0 pc=0x6e79d6 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask.func2() pkg/sentry/kernel/task_start.go:180 +0x26 fp=0xc0097e7200 sp=0xc0097e71e8 pc=0xa27c66 runtime.deferreturn() GOROOT/src/runtime/panic.go:436 +0x33 fp=0xc0097e7240 sp=0xc0097e7200 pc=0x434953 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask(0xc0003761c0, {0x140cbd0?, 0xc00477d500?}, 0xc0097e77d8) pkg/sentry/kernel/task_start.go:211 +0x929 fp=0xc0097e74b8 sp=0xc0097e7240 pc=0xa273e9 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).NewTask(0xc00477d500?, {0x140cbd0, 0xc00477d500}, 0xc0097e77d8) pkg/sentry/kernel/task_start.go:127 +0xb5 fp=0xc0097e7530 sp=0xc0097e74b8 pc=0xa268d5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc00477d500, 0xc0097e78b0) pkg/sentry/kernel/task_clone.go:224 +0x124f fp=0xc0097e78a0 sp=0xc0097e7530 pc=0xa0a3cf gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0x101000101010101?, 0x10001?, 0x0?, 0x0?, 0x0?, 0x0?) pkg/sentry/syscalls/linux/sys_thread.go:208 +0x8d fp=0xc0097e7918 sp=0xc0097e78a0 pc=0xad278d gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc00477d500?, {{0x3d0f00}, {0x7f0f786bc2f0}, {0x7f0f786bc9d0}, {0x7f0f786bc9d0}, {0x7f0f786bc700}, {0x7f0f786bc700}}) pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x6e fp=0xc0097e7958 sp=0xc0097e7918 pc=0xa993ce gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00477d500, 0x38, {{0x3d0f00}, {0x7f0f786bc2f0}, {0x7f0f786bc9d0}, {0x7f0f786bc9d0}, {0x7f0f786bc700}, {0x7f0f786bc700}}) pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc0097e7c98 sp=0xc0097e7958 pc=0xa29feb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00477d500, 0xc00536cb60?, {{0x3d0f00}, {0x7f0f786bc2f0}, {0x7f0f786bc9d0}, {0x7f0f786bc9d0}, {0x7f0f786bc700}, {0x7f0f786bc700}}) pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc0097e7cf8 sp=0xc0097e7c98 pc=0xa2b5d4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000342400?, 0xc0097e7e40?, {{0x3d0f00}, {0x7f0f786bc2f0}, {0x7f0f786bc9d0}, {0x7f0f786bc9d0}, {0x7f0f786bc700}, {0x7f0f786bc700}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc0097e7d58 sp=0xc0097e7cf8 pc=0xa2b1c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0037c18c0?) pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc0097e7e50 sp=0xc0097e7d58 pc=0xa2ae8c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc008c62180?, 0xc00477d500) pkg/sentry/kernel/task_run.go:253 +0x1125 fp=0xc0097e7f60 sp=0xc0097e7e50 pc=0xa1cc45 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00477d500, 0x3f31) pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc0097e7fc0 sp=0xc0097e7f60 pc=0xa1b48c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc0097e7fe0 sp=0xc0097e7fc0 pc=0xa2848a runtime.goexit() src/runtime/asm_amd64.s:1571 +0x1 fp=0xc0097e7fe8 sp=0xc0097e7fe0 pc=0x469321 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:370 +0x105