panic: runtime error: integer divide by zero goroutine 20766 gp=0x400139f180 m=60 mp=0x4000f3c708 [running]: panic({0xe1ae20?, 0x1f329e0?}) bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x154 fp=0x40005e55d0 sp=0x40005e5520 pc=0x84314 runtime.panicdivide() bazel-out/aarch64-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:241 +0x48 fp=0x40005e55f0 sp=0x40005e55d0 pc=0x47f48 gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*ringBuffer).init(0x123cc40?, {0x1248170?, 0x4000a4c588?}, 0x760dd0?) pkg/sentry/socket/netstack/packetmmap/ring_buffer.go:62 +0x3a8 fp=0x40005e56c0 sp=0x40005e55f0 pc=0x74f558 gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*Endpoint).Init(0x40001dd408, {0x1248170?, 0x4000a4c588?}, {0x4000567720, 0x1, 0x1, 0x4000031008, 0x40006e54f0, 0x4000f0da70, 0x0, ...}) pkg/sentry/socket/netstack/packetmmap/endpoint.go:128 +0x360 fp=0x40005e5710 sp=0x40005e56c0 pc=0x74cd80 gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptPacket(0x4000a4c588, {0x4000576c08?, 0x40005e5898?}, {0xffff04a6eba8, 0x40006e5400}, 0xfc5480?, {0x4000a4d09c?, 0x6e1fd0?, 0x4000a1a008?}) pkg/sentry/socket/netstack/netstack.go:2748 +0x394 fp=0x40005e5840 sp=0x40005e5710 pc=0x8203b4 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x1f37700?, {0x125a038?, 0x40013ee3c0?}, {0xffff04a6eba8?, 0x40006e5400?}, 0x4000a4d09c?, 0x1c?, {0x4000a4d09c?, 0x1248170?, 0x4000a4c588?}) pkg/sentry/socket/netstack/netstack.go:1873 +0x194 fp=0x40005e58a0 sp=0x40005e5840 pc=0x81c5d4 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0x40013ee3c0, 0x4000a4c588?, 0x107?, 0x5?, {0x4000a4d09c, 0x1c?, 0x90?}) pkg/sentry/socket/netstack/netstack.go:634 +0x220 fp=0x40005e5950 sp=0x40005e58a0 pc=0x815ef0 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0x4000a4c588, 0x14e228?, {{0x3}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x248 fp=0x40005e5a30 sp=0x40005e5950 pc=0x898b28 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x4000a4c588, 0xd0, {{0x3}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x664 fp=0x40005e5c60 sp=0x40005e5a30 pc=0x6df6c4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x4000a4c588, 0xd0, {{0x3}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x48 fp=0x40005e5cc0 sp=0x40005e5c60 pc=0x6e0988 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x4000a4c588, 0xd0, {{0x3}, {0x107}, {0x5}, {0x20000040}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7c fp=0x40005e5d10 sp=0x40005e5cc0 pc=0x6e054c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x40012f2a90?) pkg/sentry/kernel/task_syscall.go:258 +0x2e8 fp=0x40005e5df0 sp=0x40005e5d10 pc=0x6e0278 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x400014a480?, 0x4000a4c588) pkg/sentry/kernel/task_run.go:269 +0x10ac fp=0x40005e5f10 sp=0x40005e5df0 pc=0x6d45bc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x4000a4c588, 0x105c) pkg/sentry/kernel/task_run.go:97 +0x250 fp=0x40005e5fb0 sp=0x40005e5f10 pc=0x6d2e60 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x2c fp=0x40005e5fd0 sp=0x40005e5fb0 pc=0x6dde8c runtime.goexit({}) src/runtime/asm_arm64.s:1223 +0x4 fp=0x40005e5fd0 sp=0x40005e5fd0 pc=0x8d564 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 20764 pkg/sentry/kernel/task_start.go:412 +0xd8