panic: runtime error: integer divide by zero goroutine 916429 gp=0x400286a540 m=190 mp=0x4001f28a08 [running]: panic({0xd0abc0?, 0x1bee8b0?}) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x40049b35d0 sp=0x40049b3520 pc=0x84314 runtime.panicdivide() bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:241 +0x48 fp=0x40049b35f0 sp=0x40049b35d0 pc=0x47f48 gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*ringBuffer).init(0x1101840?, {0x110cff0?, 0x400745f908?}, 0x6bdc10?) pkg/sentry/socket/netstack/packetmmap/ring_buffer.go:62 +0x3c4 fp=0x40049b36c0 sp=0x40049b35f0 pc=0x6ae994 gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*Endpoint).Init(0x40074c6008, {0x110cff0?, 0x400745f908?}, {0x40065a15e0, 0x1, 0x0, 0x400726a808, 0x4003c584f0, 0x40042e6360, 0x0, ...}) pkg/sentry/socket/netstack/packetmmap/endpoint.go:128 +0x274 fp=0x40049b3710 sp=0x40049b36c0 pc=0x6ac1f4 gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptPacket(0x400745f908, {0x40072e7208?, 0x40049b3898?}, {0xffff1570f998, 0x4003c58400}, 0xeb4120?, {0x400746041c?, 0x649dcc?, 0x4007840008?}) pkg/sentry/socket/netstack/netstack.go:2745 +0x2e0 fp=0x40049b3840 sp=0x40049b3710 pc=0x764f40 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x1bf48b0?, {0x111eeb8?, 0x40072fc780?}, {0xffff1570f998?, 0x4003c58400?}, 0x400746041c?, 0x1c?, {0x400746041c?, 0x110cff0?, 0x400745f908?}) pkg/sentry/socket/netstack/netstack.go:1873 +0x144 fp=0x40049b38a0 sp=0x40049b3840 pc=0x762014 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0x40072fc780, 0x400745f908?, 0x107?, 0x5?, {0x400746041c, 0x1c?, 0x90?}) pkg/sentry/socket/netstack/netstack.go:634 +0x274 fp=0x40049b3950 sp=0x40049b38a0 pc=0x75ca34 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0x400745f908, 0x40000002?, {{0x3}, {0x107}, {0x5}, {0x20000100}, {0x1c}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x1b0 fp=0x40049b3a30 sp=0x40049b3950 pc=0x7d94b0 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x400745f908, 0xd0, {{0x3}, {0x107}, {0x5}, {0x20000100}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x4e8 fp=0x40049b3c60 sp=0x40049b3a30 pc=0x647d28 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x400745f908, 0xd0, {{0x3}, {0x107}, {0x5}, {0x20000100}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x3c fp=0x40049b3cc0 sp=0x40049b3c60 pc=0x648c5c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x400745f908, 0xd0, {{0x3}, {0x107}, {0x5}, {0x20000100}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x58 fp=0x40049b3d10 sp=0x40049b3cc0 pc=0x6488d8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x4004ac7040?) pkg/sentry/kernel/task_syscall.go:258 +0x23c fp=0x40049b3df0 sp=0x40049b3d10 pc=0x64868c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x4003275950?, 0x400745f908) pkg/sentry/kernel/task_run.go:269 +0xce4 fp=0x40049b3f10 sp=0x40049b3df0 pc=0x63e544 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x400745f908, 0xe894) pkg/sentry/kernel/task_run.go:97 +0x1d4 fp=0x40049b3fb0 sp=0x40049b3f10 pc=0x63d1d4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x2c fp=0x40049b3fd0 sp=0x40049b3fb0 pc=0x6468bc runtime.goexit({}) src/runtime/asm_arm64.s:1223 +0x4 fp=0x40049b3fd0 sp=0x40049b3fd0 pc=0x8d564 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 916466 pkg/sentry/kernel/task_start.go:412 +0xc4