fatal error: unexpected signal during runtime execution [signal SIGFPE: floating-point exception code=0x3 addr=0x425e45 pc=0x425e45] goroutine 476078 [running]: runtime.throw(0x12c19e0, 0x2a) GOROOT/src/runtime/panic.go:1116 +0x72 fp=0xc015c89780 sp=0xc015c89750 pc=0x4374f2 runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:704 +0x4ac fp=0xc015c897b0 sp=0xc015c89780 pc=0x44df8c runtime.deductSweepCredit(0x2000, 0x0) GOROOT/src/runtime/mgcsweep.go:862 +0xe5 fp=0xc015c897d8 sp=0xc015c897b0 pc=0x425e45 runtime.(*mcentral).cacheSpan(0x1d49a18, 0x3f1604093b68) GOROOT/src/runtime/mcentral.go:101 +0x65 fp=0xc015c89850 sp=0xc015c897d8 pc=0x4185e5 runtime.(*mcache).refill(0x7f18323007b0, 0x106) GOROOT/src/runtime/mcache.go:142 +0xa5 fp=0xc015c89870 sp=0xc015c89850 pc=0x418305 runtime.(*mcache).nextFree(0x7f18323007b0, 0x6, 0xc00da0b500, 0x3f16447de2a0, 0x10) GOROOT/src/runtime/malloc.go:880 +0x8d fp=0xc015c898a8 sp=0xc015c89870 pc=0x40d42d runtime.mallocgc(0x20, 0x127a020, 0x40d901, 0xc00ae17880) GOROOT/src/runtime/malloc.go:1061 +0x834 fp=0xc015c89948 sp=0xc015c898a8 pc=0x40de14 runtime.makechan(0x10a8e60, 0x1, 0xc00ae17880) GOROOT/src/runtime/chan.go:106 +0x146 fp=0xc015c89990 sp=0xc015c89948 pc=0x405726 time.NewTimer(0x0, 0xc015c89a20) GOROOT/src/time/sleep.go:85 +0x3a fp=0xc015c899d0 sp=0xc015c89990 pc=0x493c5a gvisor.dev/gvisor/pkg/sentry/kernel/time.(*Timer).init(0xc00ae17880) pkg/sentry/kernel/time/time.go:561 +0x52 fp=0xc015c89a30 sp=0xc015c899d0 pc=0x782512 gvisor.dev/gvisor/pkg/sentry/kernel/time.NewTimer(...) pkg/sentry/kernel/time/time.go:523 gvisor.dev/gvisor/pkg/sentry/kernel/time.After(0x1426cc0, 0xc0004b4350, 0xf4240, 0x100, 0x10, 0x0) pkg/sentry/kernel/time/time.go:536 +0x105 fp=0xc015c89aa8 sp=0xc015c89a30 pc=0x7823e5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clockNanosleepFor(0xc010a16000, 0x1426cc0, 0xc0004b4350, 0xf4240, 0x0, 0x0, 0x0) pkg/sentry/syscalls/linux/sys_time.go:276 +0x65 fp=0xc015c89b40 sp=0xc015c89aa8 pc=0xaebb65 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Nanosleep(0xc010a16000, 0x7f261acaa9e0, 0x0, 0x0, 0x0, 0x169c940, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/sys_time.go:345 +0x185 fp=0xc015c89b90 sp=0xc015c89b40 pc=0xaec0c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc010a16000, 0x23, 0x7f261acaa9e0, 0x0, 0x0, 0x0, 0x169c940, 0x0, 0xeb8077, 0x12950c0, ...) pkg/sentry/kernel/task_syscall.go:116 +0x1b9 fp=0xc015c89c50 sp=0xc015c89b90 pc=0xa4f139 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc010a16000, 0x23, 0x7f261acaa9e0, 0x0, 0x0, 0x0, 0x169c940, 0x0, 0x169c940, 0x0) pkg/sentry/kernel/task_syscall.go:291 +0x70 fp=0xc015c89cd8 sp=0xc015c89c50 pc=0xa503f0 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc010a16000, 0x23, 0x7f261acaa9e0, 0x0, 0x0, 0x0, 0x169c940, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0xb4 fp=0xc015c89d38 sp=0xc015c89cd8 pc=0xa4fef4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc010a16000, 0x2, 0xc010a16000) pkg/sentry/kernel/task_syscall.go:205 +0x198 fp=0xc015c89e08 sp=0xc015c89d38 pc=0xa4f7d8 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc010a16000, 0x14013e0, 0x0) pkg/sentry/kernel/task_run.go:327 +0xd95 fp=0xc015c89f60 sp=0xc015c89e08 pc=0xa42295 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc010a16000, 0x2936) pkg/sentry/kernel/task_run.go:100 +0x1e2 fp=0xc015c89fd0 sp=0xc015c89f60 pc=0xa40da2 runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc015c89fd8 sp=0xc015c89fd0 pc=0x470681 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:374 +0x116