fatal error: unexpected signal during runtime execution [signal SIGFPE: floating-point exception code=0x7 addr=0x425e45 pc=0x425e45] goroutine 958560 [running]: runtime.throw(0x12c07ec, 0x2a) GOROOT/src/runtime/panic.go:1116 +0x72 fp=0xc00dd75110 sp=0xc00dd750e0 pc=0x4374f2 runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:704 +0x4ac fp=0xc00dd75140 sp=0xc00dd75110 pc=0x44df8c runtime.deductSweepCredit(0x6000, 0x0) GOROOT/src/runtime/mgcsweep.go:862 +0xe5 fp=0xc00dd75168 sp=0xc00dd75140 pc=0x425e45 runtime.(*mcentral).cacheSpan(0x1d4bb38, 0x3f1ef1b94878) GOROOT/src/runtime/mcentral.go:101 +0x65 fp=0xc00dd751e0 sp=0xc00dd75168 pc=0x4185e5 runtime.(*mcache).refill(0x7f20dde2e358, 0x59) GOROOT/src/runtime/mcache.go:142 +0xa5 fp=0xc00dd75200 sp=0xc00dd751e0 pc=0x418305 runtime.(*mcache).nextFree(0x7f20dde2e358, 0x40e259, 0x40, 0x1209500, 0x1) GOROOT/src/runtime/malloc.go:880 +0x8d fp=0xc00dd75238 sp=0xc00dd75200 pc=0x40d42d runtime.mallocgc(0x1300, 0x10b7460, 0x1, 0x301151460) GOROOT/src/runtime/malloc.go:1061 +0x834 fp=0xc00dd752d8 sp=0xc00dd75238 pc=0x40de14 runtime.makeslice(0x10b7460, 0x103f, 0x103f, 0x2810080000000021) GOROOT/src/runtime/slice.go:98 +0x6c fp=0xc00dd75308 sp=0xc00dd752d8 pc=0x44f02c gvisor.dev/gvisor/pkg/sentry/arch.alignedBytes(0x1000, 0x40, 0x1b, 0xc012d0dd71, 0xc007e1c0d0) pkg/sentry/arch/aligned.go:27 +0x5c fp=0xc00dd75370 sp=0xc00dd75308 pc=0x6dccdc gvisor.dev/gvisor/pkg/sentry/arch.newX86FPStateSlice(0x12960db, 0x5, 0xc00dd753e8) pkg/sentry/arch/arch_x86.go:135 +0xcf fp=0xc00dd753b8 sp=0xc00dd75370 pc=0x6debcf gvisor.dev/gvisor/pkg/sentry/arch.x86FPState.fork(...) pkg/sentry/arch/arch_x86.go:154 gvisor.dev/gvisor/pkg/sentry/arch.(*State).Fork(0xc017aa3680, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/arch/arch_x86.go:213 +0xac fp=0xc00dd75500 sp=0xc00dd753b8 pc=0x6df10c gvisor.dev/gvisor/pkg/sentry/arch.(*context64).Fork(0xc017aa3680, 0xc08cdeb5b8, 0x8) pkg/sentry/arch/arch_amd64.go:133 +0x4f fp=0xc00dd75728 sp=0xc00dd75500 pc=0x6dd70f gvisor.dev/gvisor/pkg/sentry/kernel.(*TaskImage).Fork(0xc0197b7240, 0x142eda0, 0xc0197b6a80, 0xc000668000, 0x0, 0xc00ac1c050, 0x1, 0x2) pkg/sentry/kernel/task_image.go:80 +0x42 fp=0xc00dd75790 sp=0xc00dd75728 pc=0xa3c842 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc0197b6a80, 0xc00dd75ac8, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_clone.go:262 +0x43a fp=0xc00dd75a98 sp=0xc00dd75790 pc=0xa2f77a gvisor.dev/gvisor/pkg/sentry/syscalls/linux.clone(0xc0197b6a80, 0x80000, 0x200005c0, 0x0, 0x0, 0x200006c0, 0x0, 0x2b7beaf9fc70, 0xc17, 0x2dffa173) pkg/sentry/syscalls/linux/sys_thread.go:269 +0x174 fp=0xc00dd75b30 sp=0xc00dd75a98 pc=0xae7214 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Clone(0xc0197b6a80, 0x80000, 0x200005c0, 0x0, 0x0, 0x200006c0, 0x0, 0x542517, 0xc000512180, 0xc00dd75c40, ...) pkg/sentry/syscalls/linux/sys_clone_amd64.go:36 +0xa5 fp=0xc00dd75b90 sp=0xc00dd75b30 pc=0xaaddc5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0197b6a80, 0x38, 0x80000, 0x200005c0, 0x0, 0x0, 0x200006c0, 0x0, 0xeb7577, 0x1293ee0, ...) pkg/sentry/kernel/task_syscall.go:116 +0x1b9 fp=0xc00dd75c50 sp=0xc00dd75b90 pc=0xa4e439 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0197b6a80, 0x38, 0x80000, 0x200005c0, 0x0, 0x0, 0x200006c0, 0x0, 0x200006c0, 0x0) pkg/sentry/kernel/task_syscall.go:291 +0x70 fp=0xc00dd75cd8 sp=0xc00dd75c50 pc=0xa4f6f0 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0197b6a80, 0x38, 0x80000, 0x200005c0, 0x0, 0x0, 0x200006c0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0xb4 fp=0xc00dd75d38 sp=0xc00dd75cd8 pc=0xa4f1f4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0197b6a80, 0x2, 0xc0197b6a80) pkg/sentry/kernel/task_syscall.go:205 +0x198 fp=0xc00dd75e08 sp=0xc00dd75d38 pc=0xa4ead8 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0197b6a80, 0x1400020, 0x0) pkg/sentry/kernel/task_run.go:327 +0xd95 fp=0xc00dd75f60 sp=0xc00dd75e08 pc=0xa41595 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0197b6a80, 0x6073) pkg/sentry/kernel/task_run.go:100 +0x1e2 fp=0xc00dd75fd0 sp=0xc00dd75f60 pc=0xa400a2 runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc00dd75fd8 sp=0xc00dd75fd0 pc=0x470681 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:374 +0x116