panic: runtime error: index out of range [3] with length 0 goroutine 220 gp=0xc000c96380 m=12 mp=0xc00013ea08 [running]: panic({0x13dc560?, 0xc00023ec78?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc0001d1770 sp=0xc0001d16c0 pc=0x4740c8 runtime.goPanicIndex(0x3, 0x0) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:115 +0x74 fp=0xc0001d17b0 sp=0xc0001d1770 pc=0x438b74 encoding/binary.littleEndian.Uint32(...) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/encoding/binary/binary.go:87 gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptPacket(0x7f8e9c5ba080?, {0xc0001d18d8?, 0x40e7ff?}, {0x7f8e9c5ba080?, 0xc000336400?}, 0x1?, {0xc00076eb1c?, 0xc000896000?, 0xc0004d8360?}) pkg/sentry/socket/netstack/netstack.go:2754 +0x245 fp=0xc0001d1890 sp=0xc0001d17b0 pc=0xc759a5 gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x1000300000090?, {0x172f538?, 0xc000896000?}, {0x7f8e9c5ba080?, 0xc000336400?}, 0xc000695860?, 0xc000cd7190?, {0xc00076eb1c, 0x0, 0x90}) pkg/sentry/socket/netstack/netstack.go:1873 +0x1b1 fp=0xc0001d18e8 sp=0xc0001d1890 pc=0xc71a91 gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*sock).SetSockOpt(0xc000896000, 0xc00076e008?, 0x107?, 0xa?, {0xc00076eb1c, 0x0?, 0x90?}) pkg/sentry/socket/netstack/netstack.go:634 +0x265 fp=0xc0001d1998 sp=0xc0001d18e8 pc=0xc6aa85 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SetSockOpt(0xc00076e008, 0xc0001d1ad0?, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f8164b72e58}}) pkg/sentry/syscalls/linux/sys_socket.go:551 +0x2f5 fp=0xc0001d1a78 sp=0xc0001d1998 pc=0xcfe495 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00076e008, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f8164b72e58}}) pkg/sentry/kernel/task_syscall.go:143 +0x80b fp=0xc0001d1ca8 sp=0xc0001d1a78 pc=0xb1ebcb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00076e008, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f8164b72e58}}) pkg/sentry/kernel/task_syscall.go:323 +0x4e fp=0xc0001d1d00 sp=0xc0001d1ca8 pc=0xb2016e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00076e008, 0x36, {{0x3}, {0x107}, {0xa}, {0x0}, {0x0}, {0x7f8164b72e58}}) pkg/sentry/kernel/task_syscall.go:283 +0x7d fp=0xc0001d1d50 sp=0xc0001d1d00 pc=0xb1fd1d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0006d0dd0?) pkg/sentry/kernel/task_syscall.go:258 +0x349 fp=0xc0001d1e28 sp=0xc0001d1d50 pc=0xb1fa09 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00069a360?, 0xc00076e008) pkg/sentry/kernel/task_run.go:269 +0x1325 fp=0xc0001d1f38 sp=0xc0001d1e28 pc=0xb13105 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00076e008, 0xb) pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc0001d1fc0 sp=0xc0001d1f38 pc=0xb1171d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc0001d1fe0 sp=0xc0001d1fc0 pc=0xb1d145 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc0001d1fe8 sp=0xc0001d1fe0 pc=0x47d1a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 307 pkg/sentry/kernel/task_start.go:412 +0xd9