panic: runtime error: integer divide by zero goroutine 51668 gp=0x4000c7f340 m=35 mp=0x4000c37808 [running]: panic({0xe1ae20?, 0x1f329a0?}) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x40009cb5d0 sp=0x40009cb520 pc=0x84314 runtime.panicdivide() bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:241 +0x48 fp=0x40009cb5f0 sp=0x40009cb5d0 pc=0x47f48 gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*ringBuffer).init(0x123cc40?, {0x1248170?, 0x4001baa008?}, 0x760dd0?) pkg/sentry/socket/netstack/packetmmap/ring_buffer.go:62 +0x3a8 fp=0x40009cb6c0 sp=0x40009cb5f0 pc=0x74f558 gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*Endpoint).Init(0x4000ee2a08, {0x1248170?, 0x4001baa008?}, {0x4002081ea0, 0x1, 0x1, 0x4001c74008, 0x4001aaa2f0, 0x4000d67860, 0x0, ...}) pkg/sentry/socket/netstack/packetmmap/endpoint.go:128 +0x360 fp=0x40009cb710 sp=0x40009cb6c0 pc=0x74cd80 gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptPacket(0x4001baa008, {0x0?, 0x40009cb898?}, {0xffff0bd48de0, 0x4001aaa200}, 0xfc5480?, {0x4001baab1c?, 0x6e1fd0?, 0x40012e2008?}) pkg/sentry/socket/netstack/netstack.go:2745 +0x36c fp=0x40009cb840 sp=0x40009cb710 pc=0x82038c gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x1f376c0?, {0x125a038?, 0x4001782c80?}, {0xffff0bd48de0?, 0x4001aaa200?}, 0x4001baab1c?, 0x1c?, {0x4001baab1c?, 0x1248170?, 0x4001baa008?}) pkg/sentry/socket/netstack/netstack.go:1873 +0x194 fp=0x40009cb8a0 sp=0x40009cb840 pc=0x81c5d4 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0x4001782c80, 0x4001baa008?, 0x107?, 0x5?, {0x4001baab1c, 0x1c?, 0x90?}) pkg/sentry/socket/netstack/netstack.go:634 +0x220 fp=0x40009cb950 sp=0x40009cb8a0 pc=0x815ef0 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0x4001baa008, 0x14e228?, {{0x3}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x248 fp=0x40009cba30 sp=0x40009cb950 pc=0x898b18 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x4001baa008, 0xd0, {{0x3}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x664 fp=0x40009cbc60 sp=0x40009cba30 pc=0x6df6c4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x4001baa008, 0xd0, {{0x3}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x48 fp=0x40009cbcc0 sp=0x40009cbc60 pc=0x6e0988 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x4001baa008, 0xd0, {{0x3}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7c fp=0x40009cbd10 sp=0x40009cbcc0 pc=0x6e054c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x400175de10?) pkg/sentry/kernel/task_syscall.go:258 +0x2e8 fp=0x40009cbdf0 sp=0x40009cbd10 pc=0x6e0278 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x4001a0e900?, 0x4001baa008) pkg/sentry/kernel/task_run.go:269 +0x10ac fp=0x40009cbf10 sp=0x40009cbdf0 pc=0x6d45bc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x4001baa008, 0x2753) pkg/sentry/kernel/task_run.go:97 +0x250 fp=0x40009cbfb0 sp=0x40009cbf10 pc=0x6d2e60 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x2c fp=0x40009cbfd0 sp=0x40009cbfb0 pc=0x6dde8c runtime.goexit({}) src/runtime/asm_arm64.s:1223 +0x4 fp=0x40009cbfd0 sp=0x40009cbfd0 pc=0x8d564 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 51666 pkg/sentry/kernel/task_start.go:412 +0xd8