panic: runtime error: integer divide by zero goroutine 45057 gp=0x40005f9880 m=7 mp=0x4000489508 [running]: panic({0xe1ae20?, 0x1f329a0?}) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x40020df5d0 sp=0x40020df520 pc=0x84314 runtime.panicdivide() bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:241 +0x48 fp=0x40020df5f0 sp=0x40020df5d0 pc=0x47f48 gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*ringBuffer).init(0x123cc40?, {0x1248170?, 0x4001772c88?}, 0x760dd0?) pkg/sentry/socket/netstack/packetmmap/ring_buffer.go:62 +0x3a8 fp=0x40020df6c0 sp=0x40020df5f0 pc=0x74f558 gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*Endpoint).Init(0x4000350a08, {0x1248170?, 0x4001772c88?}, {0x4000f73fc0, 0x1, 0x1, 0x4000c69808, 0x4000206af0, 0x4000e92a50, 0x0, ...}) pkg/sentry/socket/netstack/packetmmap/endpoint.go:128 +0x360 fp=0x40020df710 sp=0x40020df6c0 pc=0x74cd80 gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptPacket(0x4001772c88, {0x0?, 0x1f60430?}, {0xfffecd48c488, 0x4000206a00}, 0x4001a408d0?, {0x400177379c?, 0x6e1fd0?, 0x4001a40008?}) pkg/sentry/socket/netstack/netstack.go:2745 +0x36c fp=0x40020df840 sp=0x40020df710 pc=0x82038c gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x40020df928?, {0x125a038?, 0x4000cbe000?}, {0xfffecd48c488?, 0x4000206a00?}, 0x400177379c?, 0x1c?, {0x400177379c?, 0x1248170?, 0x4001772c88?}) pkg/sentry/socket/netstack/netstack.go:1873 +0x194 fp=0x40020df8a0 sp=0x40020df840 pc=0x81c5d4 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0x4000cbe000, 0xfeb8e0?, 0x400177379c?, 0x56bd0?, {0x400177379c, 0x56bc4?, 0x40020df998?}) pkg/sentry/socket/netstack/netstack.go:634 +0x220 fp=0x40020df950 sp=0x40020df8a0 pc=0x815ef0 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0x4001772c88, 0xab43c?, {{0x4}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x248 fp=0x40020dfa30 sp=0x40020df950 pc=0x898b18 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x4001772c88, 0xd0, {{0x4}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x664 fp=0x40020dfc60 sp=0x40020dfa30 pc=0x6df6c4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x4001772c88, 0xd0, {{0x4}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x48 fp=0x40020dfcc0 sp=0x40020dfc60 pc=0x6e0988 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x4001772c88, 0xd0, {{0x4}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7c fp=0x40020dfd10 sp=0x40020dfcc0 pc=0x6e054c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x4001742000?) pkg/sentry/kernel/task_syscall.go:258 +0x2e8 fp=0x40020dfdf0 sp=0x40020dfd10 pc=0x6e0278 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x4000480ab0?, 0x4001772c88) pkg/sentry/kernel/task_run.go:269 +0x10ac fp=0x40020dff10 sp=0x40020dfdf0 pc=0x6d45bc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x4001772c88, 0x2d75) pkg/sentry/kernel/task_run.go:97 +0x250 fp=0x40020dffb0 sp=0x40020dff10 pc=0x6d2e60 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x2c fp=0x40020dffd0 sp=0x40020dffb0 pc=0x6dde8c runtime.goexit({}) src/runtime/asm_arm64.s:1223 +0x4 fp=0x40020dffd0 sp=0x40020dffd0 pc=0x8d564 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 44811 pkg/sentry/kernel/task_start.go:412 +0xd8