fatal error: unexpected signal during runtime execution [signal SIGFPE: floating-point exception code=0x6 addr=0x425e45 pc=0x425e45] goroutine 52005 [running]: runtime.throw(0x11c99b3, 0x2a) GOROOT/src/runtime/panic.go:1116 +0x72 fp=0xc001dd6f78 sp=0xc001dd6f48 pc=0x437412 runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:704 +0x4ac fp=0xc001dd6fa8 sp=0xc001dd6f78 pc=0x44deac runtime.deductSweepCredit(0x2000, 0x0) GOROOT/src/runtime/mgcsweep.go:862 +0xe5 fp=0xc001dd6fd0 sp=0xc001dd6fa8 pc=0x425e45 runtime.(*mcentral).cacheSpan(0x1ab8838, 0x3f5f023f2008) GOROOT/src/runtime/mcentral.go:101 +0x65 fp=0xc001dd7048 sp=0xc001dd6fd0 pc=0x4185e5 runtime.(*mcache).refill(0x7f60ee420358, 0x8) GOROOT/src/runtime/mcache.go:142 +0xa5 fp=0xc001dd7068 sp=0xc001dd7048 pc=0x418305 runtime.(*mcache).nextFree(0x7f60ee420358, 0x4e1b08, 0x3, 0x10000c002d66000, 0x0) GOROOT/src/runtime/malloc.go:880 +0x8d fp=0xc001dd70a0 sp=0xc001dd7068 pc=0x40d42d runtime.mallocgc(0x30, 0x110b200, 0xc001dd7101, 0x5c93cd) GOROOT/src/runtime/malloc.go:1061 +0x834 fp=0xc001dd7140 sp=0xc001dd70a0 pc=0x40de14 runtime.newobject(0x110b200, 0xc0004168a0) GOROOT/src/runtime/malloc.go:1195 +0x38 fp=0xc001dd7170 sp=0xc001dd7140 pc=0x40e2b8 runtime.makemap_small(0xc0004168a0) GOROOT/src/runtime/map.go:293 +0x2d fp=0xc001dd7190 sp=0xc001dd7170 pc=0x40eeed gvisor.dev/gvisor/pkg/cpuid.setFromBlockMasks(0xc001dd7274, 0x7, 0x7, 0x2) pkg/cpuid/cpuid_x86.go:807 +0x26 fp=0xc001dd71e0 sp=0xc001dd7190 pc=0x5c9706 gvisor.dev/gvisor/pkg/cpuid.HostFeatureSet(0x0) pkg/cpuid/cpuid_x86.go:1034 +0x356 fp=0xc001dd72d8 sp=0xc001dd71e0 pc=0x5ca4b6 gvisor.dev/gvisor/pkg/sentry/arch.newX86FPStateSlice(0xb, 0x75, 0x0) pkg/sentry/arch/arch_x86.go:121 +0x26 fp=0xc001dd7320 sp=0xc001dd72d8 pc=0x6c6c66 gvisor.dev/gvisor/pkg/sentry/arch.x86FPState.fork(...) pkg/sentry/arch/arch_x86.go:148 gvisor.dev/gvisor/pkg/sentry/arch.(*State).Fork(0xc0030a87e0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/arch/arch_x86.go:203 +0x98 fp=0xc001dd7468 sp=0xc001dd7320 pc=0x6c7198 gvisor.dev/gvisor/pkg/sentry/arch.(*context64).Fork(0xc0030a87e0, 0xc000c818e0, 0x8) pkg/sentry/arch/arch_amd64.go:127 +0x45 fp=0xc001dd7690 sp=0xc001dd7468 pc=0x6c5b65 gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskImage).Fork(0xc0032eb240, 0x131cb80, 0xc0032eaa80, 0xc0001af680, 0x1, 0xc00164e390, 0x1, 0x2) pkg/sentry/kernel/task_image.go:75 +0x38 fp=0xc001dd76f8 sp=0xc001dd7690 pc=0x9c0638 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc0032eaa80, 0xc001dd7a30, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_clone.go:229 +0x350 fp=0xc001dd7a00 sp=0xc001dd76f8 pc=0x9b5550 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0xc0032eaa80, 0xffffffff80000100, 0x0, 0x9999999999999999, 0x0, 0xffffffffffffffff, 0x0, 0x2aaf7c891c70, 0x98, 0x711343e) pkg/sentry/syscalls/linux/sys_thread.go:227 +0x158 fp=0xc001dd7a98 sp=0xc001dd7a00 pc=0xa55b38 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc0032eaa80, 0x80000100, 0x0, 0x9999999999999999, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/sys_clone_amd64.go:34 +0x67 fp=0xc001dd7af8 sp=0xc001dd7a98 pc=0xa26767 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0032eaa80, 0x38, 0x80000100, 0x0, 0x9999999999999999, 0x0, 0xffffffffffffffff, 0x0, 0xdd6f37, 0x119f480, ...) pkg/sentry/kernel/task_syscall.go:104 +0x13c fp=0xc001dd7c58 sp=0xc001dd7af8 pc=0x9d011c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0032eaa80, 0x38, 0x80000100, 0x0, 0x9999999999999999, 0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) pkg/sentry/kernel/task_syscall.go:239 +0x66 fp=0xc001dd7ce0 sp=0xc001dd7c58 pc=0x9d12e6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0032eaa80, 0x38, 0x80000100, 0x0, 0x9999999999999999, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:199 +0x98 fp=0xc001dd7d40 sp=0xc001dd7ce0 pc=0x9d0e98 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0032eaa80, 0x2, 0xc0032eaa80) pkg/sentry/kernel/task_syscall.go:174 +0x15c fp=0xc001dd7e10 sp=0xc001dd7d40 pc=0x9d083c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0032eaa80, 0x12eee40, 0x0) pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc001dd7f60 sp=0xc001dd7e10 pc=0x9c4c45 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0032eaa80, 0x415) pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc001dd7fd0 sp=0xc001dd7f60 pc=0x9c390f runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc001dd7fd8 sp=0xc001dd7fd0 pc=0x4705a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:323 +0xfe