panic: runtime error: integer divide by zero goroutine 133380 gp=0xc001904380 m=14 mp=0xc000c80008 [running]: panic({0x12eb2e0?, 0x23f4b00?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc00096b678 sp=0xc00096b5c8 pc=0x4740c8 runtime.panicdivide() bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:241 +0x3e fp=0xc00096b698 sp=0xc00096b678 pc=0x43945e gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*ringBuffer).init(0xba9f8e?, {0x171d4a0?, 0xc002cb7208?}, 0xba9fe0?) pkg/sentry/socket/netstack/packetmmap/ring_buffer.go:62 +0x44a fp=0xc00096b760 sp=0xc00096b698 pc=0xb9462a gvisor.dev/gvisor/pkg/sentry/socket/netstack/packetmmap.(*Endpoint).Init(0xc003e9f200?, {0x171d4a0?, 0xc002cb7208?}, {0xc002693380, 0x1, 0x1, 0xc001f2f008, 0xc003e9f2f0, 0xc003bf51a0, 0x0, ...}) pkg/sentry/socket/netstack/packetmmap/endpoint.go:128 +0x388 fp=0xc00096b7b0 sp=0xc00096b760 pc=0xb91a68 gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptPacket(0xc002cb7208, {0xc00096b8d8?, 0x40e7ff?}, {0x3fb22f13d8b0, 0xc003e9f200}, 0xc00096b901?, {0xc002cb7d1c?, 0xc00096b908?, 0xc003f0e008?}) pkg/sentry/socket/netstack/netstack.go:2745 +0x3c5 fp=0xc00096b890 sp=0xc00096b7b0 pc=0xc75b25 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x1000000af77b9?, {0x172f538?, 0xc004f54780?}, {0x3fb22f13d8b0?, 0xc003e9f200?}, 0x171d4a0?, 0xc002cb7208?, {0xc002cb7d1c, 0x1c, 0x90}) pkg/sentry/socket/netstack/netstack.go:1873 +0x1b1 fp=0xc00096b8e8 sp=0xc00096b890 pc=0xc71a91 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc004f54780, 0xc002cb7208?, 0x107?, 0x5?, {0xc002cb7d1c, 0x1c?, 0x90?}) pkg/sentry/socket/netstack/netstack.go:634 +0x265 fp=0xc00096b998 sp=0xc00096b8e8 pc=0xc6aa85 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc002cb7208, 0xc0034fac68?, {{0x5}, {0x107}, {0x5}, {0x200000000340}, {0x1c}, {0x0}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x2f5 fp=0xc00096ba78 sp=0xc00096b998 pc=0xcfe495 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc002cb7208, 0x36, {{0x5}, {0x107}, {0x5}, {0x200000000340}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc00096bca8 sp=0xc00096ba78 pc=0xb1ebcb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc002cb7208, 0x36, {{0x5}, {0x107}, {0x5}, {0x200000000340}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc00096bd00 sp=0xc00096bca8 pc=0xb2016e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc002cb7208, 0x36, {{0x5}, {0x107}, {0x5}, {0x200000000340}, {0x1c}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc00096bd50 sp=0xc00096bd00 pc=0xb1fd1d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc004610580?) pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc00096be28 sp=0xc00096bd50 pc=0xb1fa09 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00188e7e0?, 0xc002cb7208) pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc00096bf38 sp=0xc00096be28 pc=0xb13105 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc002cb7208, 0x7ff6) pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc00096bfc0 sp=0xc00096bf38 pc=0xb1171d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc00096bfe0 sp=0xc00096bfc0 pc=0xb1d145 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00096bfe8 sp=0xc00096bfe0 pc=0x47d1a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 133411 pkg/sentry/kernel/task_start.go:412 +0xd9