panic: runtime error: integer divide by zero goroutine 63606 gp=0x4001954fc0 m=97 mp=0x4001c95c08 [running]: panic({0xe1ae20?, 0x1f329e0?}) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x4000ded5d0 sp=0x4000ded520 pc=0x84314 runtime.panicdivide() bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:241 +0x48 fp=0x4000ded5f0 sp=0x4000ded5d0 pc=0x47f48 gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*ringBuffer).init(0x123cc40?, {0x1248170?, 0x400297cc88?}, 0x760dd0?) pkg/sentry/socket/netstack/packetmmap/ring_buffer.go:62 +0x3a8 fp=0x4000ded6c0 sp=0x4000ded5f0 pc=0x74f558 gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*Endpoint).Init(0x4002a36008, {0x1248170?, 0x400297cc88?}, {0x40016df600, 0x1, 0x0, 0x40013fc008, 0x40029640f0, 0x4001891350, 0x0, ...}) pkg/sentry/socket/netstack/packetmmap/endpoint.go:128 +0x360 fp=0x4000ded710 sp=0x4000ded6c0 pc=0x74cd80 gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptPacket(0x400297cc88, {0x4002947208?, 0x4000ded898?}, {0xffff39a05fc8, 0x4002964000}, 0xfc5480?, {0x400297d79c?, 0x6e1fd0?, 0x40016ba008?}) pkg/sentry/socket/netstack/netstack.go:2748 +0x394 fp=0x4000ded840 sp=0x4000ded710 pc=0x8203b4 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x1f37700?, {0x125a038?, 0x4001351b80?}, {0xffff39a05fc8?, 0x4002964000?}, 0x400297d79c?, 0x1c?, {0x400297d79c?, 0x1248170?, 0x400297cc88?}) pkg/sentry/socket/netstack/netstack.go:1873 +0x194 fp=0x4000ded8a0 sp=0x4000ded840 pc=0x81c5d4 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0x4001351b80, 0x400297cc88?, 0x107?, 0x5?, {0x400297d79c, 0x1c?, 0x90?}) pkg/sentry/socket/netstack/netstack.go:634 +0x220 fp=0x4000ded950 sp=0x4000ded8a0 pc=0x815ef0 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0x400297cc88, 0x14e228?, {{0x3}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x248 fp=0x4000deda30 sp=0x4000ded950 pc=0x898b28 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x400297cc88, 0xd0, {{0x3}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x664 fp=0x4000dedc60 sp=0x4000deda30 pc=0x6df6c4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x400297cc88, 0xd0, {{0x3}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x48 fp=0x4000dedcc0 sp=0x4000dedc60 pc=0x6e0988 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x400297cc88, 0xd0, {{0x3}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7c fp=0x4000dedd10 sp=0x4000dedcc0 pc=0x6e054c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x400293c680?) pkg/sentry/kernel/task_syscall.go:258 +0x2e8 fp=0x4000deddf0 sp=0x4000dedd10 pc=0x6e0278 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x4002606ab0?, 0x400297cc88) pkg/sentry/kernel/task_run.go:269 +0x10ac fp=0x4000dedf10 sp=0x4000deddf0 pc=0x6d45bc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x400297cc88, 0x2a72) pkg/sentry/kernel/task_run.go:97 +0x250 fp=0x4000dedfb0 sp=0x4000dedf10 pc=0x6d2e60 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x2c fp=0x4000dedfd0 sp=0x4000dedfb0 pc=0x6dde8c runtime.goexit({}) src/runtime/asm_arm64.s:1223 +0x4 fp=0x4000dedfd0 sp=0x4000dedfd0 pc=0x8d564 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 63411 pkg/sentry/kernel/task_start.go:412 +0xd8