panic: runtime error: integer divide by zero goroutine 1432 gp=0x40011908c0 m=15 mp=0x400091a008 [running]: panic({0xe1ae20?, 0x1f329e0?}) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x40017cf5d0 sp=0x40017cf520 pc=0x84314 runtime.panicdivide() bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:241 +0x48 fp=0x40017cf5f0 sp=0x40017cf5d0 pc=0x47f48 gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*ringBuffer).init(0x123cc40?, {0x1248170?, 0x40015e9908?}, 0x760dd0?) pkg/sentry/socket/netstack/packetmmap/ring_buffer.go:62 +0x3a8 fp=0x40017cf6c0 sp=0x40017cf5f0 pc=0x74f558 gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*Endpoint).Init(0x4000358788, {0x1248170?, 0x40015e9908?}, {0x400187a840, 0x1, 0x1, 0x4001416808, 0x40008d48f0, 0x4000cb6c90, 0x0, ...}) pkg/sentry/socket/netstack/packetmmap/endpoint.go:128 +0x360 fp=0x40017cf710 sp=0x40017cf6c0 pc=0x74cd80 gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptPacket(0x40015e9908, {0x0?, 0x40017cf898?}, {0xffff1054bb18, 0x40008d4800}, 0xfc5480?, {0x40015ea41c?, 0x6e1fd0?, 0x4001599008?}) pkg/sentry/socket/netstack/netstack.go:2748 +0x394 fp=0x40017cf840 sp=0x40017cf710 pc=0x8203b4 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x1f37700?, {0x125a038?, 0x400096c280?}, {0xffff1054bb18?, 0x40008d4800?}, 0x40015ea41c?, 0x1c?, {0x40015ea41c?, 0x1248170?, 0x40015e9908?}) pkg/sentry/socket/netstack/netstack.go:1873 +0x194 fp=0x40017cf8a0 sp=0x40017cf840 pc=0x81c5d4 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0x400096c280, 0x40015e9908?, 0x107?, 0x5?, {0x40015ea41c, 0x1c?, 0x90?}) pkg/sentry/socket/netstack/netstack.go:634 +0x220 fp=0x40017cf950 sp=0x40017cf8a0 pc=0x815ef0 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0x40015e9908, 0x14e228?, {{0x3}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x248 fp=0x40017cfa30 sp=0x40017cf950 pc=0x898b28 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x40015e9908, 0xd0, {{0x3}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x664 fp=0x40017cfc60 sp=0x40017cfa30 pc=0x6df6c4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x40015e9908, 0xd0, {{0x3}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x48 fp=0x40017cfcc0 sp=0x40017cfc60 pc=0x6e0988 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x40015e9908, 0xd0, {{0x3}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7c fp=0x40017cfd10 sp=0x40017cfcc0 pc=0x6e054c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x4001317110?) pkg/sentry/kernel/task_syscall.go:258 +0x2e8 fp=0x40017cfdf0 sp=0x40017cfd10 pc=0x6e0278 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x40009a6480?, 0x40015e9908) pkg/sentry/kernel/task_run.go:269 +0x10ac fp=0x40017cff10 sp=0x40017cfdf0 pc=0x6d45bc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x40015e9908, 0xf1) pkg/sentry/kernel/task_run.go:97 +0x250 fp=0x40017cffb0 sp=0x40017cff10 pc=0x6d2e60 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x2c fp=0x40017cffd0 sp=0x40017cffb0 pc=0x6dde8c runtime.goexit({}) src/runtime/asm_arm64.s:1223 +0x4 fp=0x40017cffd0 sp=0x40017cffd0 pc=0x8d564 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 1430 pkg/sentry/kernel/task_start.go:412 +0xd8