panic: runtime error: integer divide by zero goroutine 86749 gp=0x4001408380 m=20 mp=0x4001400008 [running]: panic({0xe1ae20?, 0x1f329e0?}) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x400369f5d0 sp=0x400369f520 pc=0x84314 runtime.panicdivide() bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:241 +0x48 fp=0x400369f5f0 sp=0x400369f5d0 pc=0x47f48 gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*ringBuffer).init(0x123cc40?, {0x1248170?, 0x40017ed908?}, 0x760dd0?) pkg/sentry/socket/netstack/packetmmap/ring_buffer.go:62 +0x3a8 fp=0x400369f6c0 sp=0x400369f5f0 pc=0x74f558 gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*Endpoint).Init(0x4000350788, {0x1248170?, 0x40017ed908?}, {0x400381ce70, 0x1, 0x1, 0x4003ad0008, 0x4002cc02f0, 0x40030b87e0, 0x0, ...}) pkg/sentry/socket/netstack/packetmmap/endpoint.go:128 +0x360 fp=0x400369f710 sp=0x400369f6c0 pc=0x74cd80 gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptPacket(0x40017ed908, {0x0?, 0x400369f898?}, {0xffff5c6ca610, 0x4002cc0200}, 0xfc5480?, {0x40017ee41c?, 0x6e1fd0?, 0x4000929008?}) pkg/sentry/socket/netstack/netstack.go:2748 +0x394 fp=0x400369f840 sp=0x400369f710 pc=0x8203b4 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x1f37700?, {0x125a038?, 0x400327fcc0?}, {0xffff5c6ca610?, 0x4002cc0200?}, 0x40017ee41c?, 0x1c?, {0x40017ee41c?, 0x1248170?, 0x40017ed908?}) pkg/sentry/socket/netstack/netstack.go:1873 +0x194 fp=0x400369f8a0 sp=0x400369f840 pc=0x81c5d4 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0x400327fcc0, 0x40017ed908?, 0x107?, 0x5?, {0x40017ee41c, 0x1c?, 0x90?}) pkg/sentry/socket/netstack/netstack.go:634 +0x220 fp=0x400369f950 sp=0x400369f8a0 pc=0x815ef0 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0x40017ed908, 0x1d?, {{0x87}, {0x107}, {0x5}, {0x200000c0}, {0x1c}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x248 fp=0x400369fa30 sp=0x400369f950 pc=0x898b28 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x40017ed908, 0xd0, {{0x87}, {0x107}, {0x5}, {0x200000c0}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x664 fp=0x400369fc60 sp=0x400369fa30 pc=0x6df6c4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x40017ed908, 0xd0, {{0x87}, {0x107}, {0x5}, {0x200000c0}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x48 fp=0x400369fcc0 sp=0x400369fc60 pc=0x6e0988 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x40017ed908, 0xd0, {{0x87}, {0x107}, {0x5}, {0x200000c0}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7c fp=0x400369fd10 sp=0x400369fcc0 pc=0x6e054c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x4001a2c840?) pkg/sentry/kernel/task_syscall.go:258 +0x2e8 fp=0x400369fdf0 sp=0x400369fd10 pc=0x6e0278 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x4003057710?, 0x40017ed908) pkg/sentry/kernel/task_run.go:269 +0x10ac fp=0x400369ff10 sp=0x400369fdf0 pc=0x6d45bc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x40017ed908, 0x50a8) pkg/sentry/kernel/task_run.go:97 +0x250 fp=0x400369ffb0 sp=0x400369ff10 pc=0x6d2e60 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x2c fp=0x400369ffd0 sp=0x400369ffb0 pc=0x6dde8c runtime.goexit({}) src/runtime/asm_arm64.s:1223 +0x4 fp=0x400369ffd0 sp=0x400369ffd0 pc=0x8d564 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 86747 pkg/sentry/kernel/task_start.go:412 +0xd8