panic: runtime error: integer divide by zero goroutine 49110 gp=0x40010b96c0 m=28 mp=0x400083b108 [running]: panic({0xe1ae20?, 0x1f329e0?}) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x4000b375d0 sp=0x4000b37520 pc=0x84314 runtime.panicdivide() bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:241 +0x48 fp=0x4000b375f0 sp=0x4000b375d0 pc=0x47f48 gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*ringBuffer).init(0x123cc40?, {0x1248170?, 0x40018b8588?}, 0x760dd0?) pkg/sentry/socket/netstack/packetmmap/ring_buffer.go:62 +0x3a8 fp=0x4000b376c0 sp=0x4000b375f0 pc=0x74f558 gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*Endpoint).Init(0x400016d688, {0x1248170?, 0x40018b8588?}, {0x4000b7eba0, 0x1, 0x0, 0x4000d23008, 0x4000cc7af0, 0x400062dc80, 0x0, ...}) pkg/sentry/socket/netstack/packetmmap/endpoint.go:128 +0x360 fp=0x4000b37710 sp=0x4000b376c0 pc=0x74cd80 gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptPacket(0x40018b8588, {0x0?, 0x4001919898?}, {0xfffed9892238, 0x4000cc7a00}, 0xfc5480?, {0x40018b909c?, 0x6e1fd0?, 0x4001820008?}) pkg/sentry/socket/netstack/netstack.go:2748 +0x394 fp=0x4000b37840 sp=0x4000b37710 pc=0x8203b4 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x1f37700?, {0x125a038?, 0x4000e8fe00?}, {0xfffed9892238?, 0x4000cc7a00?}, 0x40018b909c?, 0x1c?, {0x40018b909c?, 0x1248170?, 0x40018b8588?}) pkg/sentry/socket/netstack/netstack.go:1873 +0x194 fp=0x4000b378a0 sp=0x4000b37840 pc=0x81c5d4 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0x4000e8fe00, 0x40018b8588?, 0x107?, 0x5?, {0x40018b909c, 0x1c?, 0x90?}) pkg/sentry/socket/netstack/netstack.go:634 +0x220 fp=0x4000b37950 sp=0x4000b378a0 pc=0x815ef0 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0x40018b8588, 0x696d04?, {{0x4}, {0x107}, {0x5}, {0x20003180}, {0x1c}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x248 fp=0x4000b37a30 sp=0x4000b37950 pc=0x898b28 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x40018b8588, 0xd0, {{0x4}, {0x107}, {0x5}, {0x20003180}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x664 fp=0x4000b37c60 sp=0x4000b37a30 pc=0x6df6c4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x40018b8588, 0xd0, {{0x4}, {0x107}, {0x5}, {0x20003180}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x48 fp=0x4000b37cc0 sp=0x4000b37c60 pc=0x6e0988 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x40018b8588, 0xd0, {{0x4}, {0x107}, {0x5}, {0x20003180}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7c fp=0x4000b37d10 sp=0x4000b37cc0 pc=0x6e054c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x40006d6210?) pkg/sentry/kernel/task_syscall.go:258 +0x2e8 fp=0x4000b37df0 sp=0x4000b37d10 pc=0x6e0278 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x40007267e0?, 0x40018b8588) pkg/sentry/kernel/task_run.go:269 +0x10ac fp=0x4000b37f10 sp=0x4000b37df0 pc=0x6d45bc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x40018b8588, 0x2c7a) pkg/sentry/kernel/task_run.go:97 +0x250 fp=0x4000b37fb0 sp=0x4000b37f10 pc=0x6d2e60 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x2c fp=0x4000b37fd0 sp=0x4000b37fb0 pc=0x6dde8c runtime.goexit({}) src/runtime/asm_arm64.s:1223 +0x4 fp=0x4000b37fd0 sp=0x4000b37fd0 pc=0x8d564 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 49125 pkg/sentry/kernel/task_start.go:412 +0xd8