panic: cgroupfs: pids controller pending pool would be negative if charge was allowed: current pool: 0, proposed charge: -1 goroutine 1452437 [running]: panic({0xfe3400, 0xc002d694b0}) GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc003e78ea0 sp=0xc003e78de0 pc=0x435837 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*pidsController).Charge(0xc0021a46c0, 0xc005375500, 0x11c3e79?, 0x4?, 0xffffffffffffffff) pkg/sentry/fsimpl/cgroupfs/pids.go:207 +0x5f4 fp=0xc003e78f88 sp=0xc003e78ea0 pc=0xdc3454 gvisor.dev/gvisor/pkg/sentry/fsimpl/cgroupfs.(*cgroupInode).Charge(0xc001780380, 0xc003879b90?, 0xc003879800?, {0x11c3e79, 0x4}, 0x0?, 0x0?) pkg/sentry/fsimpl/cgroupfs/base.go:321 +0x10d fp=0xc003e79010 sp=0xc003e78f88 pc=0xdb846d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).chargeLocked(0x438860?, 0xc0033cfa00?, {0x11c3e79, 0x4}, 0x449354?, 0xc0199d4a20?) pkg/sentry/kernel/task_cgroup.go:234 +0xd7 fp=0xc003e790d0 sp=0xc003e79010 pc=0xa07737 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).ChargeFor(0xc005515500, 0xc003e79188?, {0x11c3e79, 0x4}, 0xc003e79100?, 0x0?) pkg/sentry/kernel/task_cgroup.go:245 +0xdf fp=0xc003e79158 sp=0xc003e790d0 pc=0xa0789f gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask.func1() pkg/sentry/kernel/task_start.go:194 +0x45 fp=0xc003e791a8 sp=0xc003e79158 pc=0xa26485 gvisor.dev/gvisor/pkg/cleanup.clean({0xc000c50008, 0xa2d6cf?, 0xc0004b0620?}) pkg/cleanup/cleanup.go:59 +0x42 fp=0xc003e791c0 sp=0xc003e791a8 pc=0x6e1362 gvisor.dev/gvisor/pkg/cleanup.(*Cleanup).Clean(0xc003e79490) pkg/cleanup/cleanup.go:44 +0x36 fp=0xc003e791e8 sp=0xc003e791c0 pc=0x6e1196 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask.func2() pkg/sentry/kernel/task_start.go:180 +0x26 fp=0xc003e79200 sp=0xc003e791e8 pc=0xa26526 runtime.deferreturn() GOROOT/src/runtime/panic.go:436 +0x33 fp=0xc003e79240 sp=0xc003e79200 pc=0x434953 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).newTask(0xc0004b0620, {0x140fa10?, 0xc005515500?}, 0xc003e797d8) pkg/sentry/kernel/task_start.go:211 +0x929 fp=0xc003e794b8 sp=0xc003e79240 pc=0xa25ca9 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskSet).NewTask(0xc005515500?, {0x140fa10, 0xc005515500}, 0xc003e797d8) pkg/sentry/kernel/task_start.go:127 +0xb5 fp=0xc003e79530 sp=0xc003e794b8 pc=0xa25195 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc005515500, 0xc003e798b0) pkg/sentry/kernel/task_clone.go:224 +0x124f fp=0xc003e798a0 sp=0xc003e79530 pc=0xa08c6f gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0xc5a8?, 0x1?, 0xc003e79960?, 0x0?, 0x0?, 0x0?) pkg/sentry/syscalls/linux/sys_thread.go:208 +0x8d fp=0xc003e79918 sp=0xc003e798a0 pc=0xad09cd gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0x0?, {{0x3d0f00}, {0x7f74cfb9c2f0}, {0x7f74cfb9c9d0}, {0x7f74cfb9c9d0}, {0x7f74cfb9c700}, {0x7f74cfb9c700}}) pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0x6e fp=0xc003e79958 sp=0xc003e79918 pc=0xa9760e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc005515500, 0x38, {{0x3d0f00}, {0x7f74cfb9c2f0}, {0x7f74cfb9c9d0}, {0x7f74cfb9c9d0}, {0x7f74cfb9c700}, {0x7f74cfb9c700}}) pkg/sentry/kernel/task_syscall.go:142 +0x7d0 fp=0xc003e79c98 sp=0xc003e79958 pc=0xa28870 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc005515500, 0x0?, {{0x3d0f00}, {0x7f74cfb9c2f0}, {0x7f74cfb9c9d0}, {0x7f74cfb9c9d0}, {0x7f74cfb9c700}, {0x7f74cfb9c700}}) pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc003e79cf8 sp=0xc003e79c98 pc=0xa29e34 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x8b77cf?, 0x3?, {{0x3d0f00}, {0x7f74cfb9c2f0}, {0x7f74cfb9c9d0}, {0x7f74cfb9c9d0}, {0x7f74cfb9c700}, {0x7f74cfb9c700}}) pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc003e79d58 sp=0xc003e79cf8 pc=0xa29a25 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc005515500) pkg/sentry/kernel/task_syscall.go:257 +0x3b5 fp=0xc003e79e50 sp=0xc003e79d58 pc=0xa296f5 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0054d4380?, 0xc005515500) pkg/sentry/kernel/task_run.go:253 +0x1145 fp=0xc003e79f60 sp=0xc003e79e50 pc=0xa1b505 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc005515500, 0xe75e) pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc003e79fc0 sp=0xc003e79f60 pc=0xa19d2c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc003e79fe0 sp=0xc003e79fc0 pc=0xa26d4a runtime.goexit() src/runtime/asm_amd64.s:1571 +0x1 fp=0xc003e79fe8 sp=0xc003e79fe0 pc=0x469321 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:370 +0x105