panic: unknown host errno "errno 256" (256) goroutine 68953 gp=0xc00395c540 m=21 mp=0xc000766008 [running]: panic({0x1aa1ca0?, 0xc195206df0?}) GOROOT/src/runtime/panic.go:779 +0x158 fp=0xc195176628 sp=0xc195176578 pc=0x43ed58 gvisor.dev/gvisor/pkg/syserr.FromHost(0x100) pkg/syserr/host_linux.go:34 +0x159 fp=0xc195176690 sp=0xc195176628 pc=0xa4f859 gvisor.dev/gvisor/pkg/syserr.FromError({0x2039740, 0xc19520a0a8}) pkg/syserr/syserr.go:237 +0x92 fp=0xc195176700 sp=0xc195176690 pc=0xa50df2 gvisor.dev/gvisor/pkg/sentry/loader.Load({0x205cd78, 0xc190605508}, {0xc1908c4008, 0xc190888668, 0x1, {0xc18bc0d400, 0x7}, 0x0, {0xc194f9c160, 0xc194f98c08}, ...}, ...) pkg/sentry/loader/loader.go:268 +0x28f fp=0xc195176d70 sp=0xc195176700 pc=0xe4b24f gvisor.dev/gvisor/pkg/sentry/kernel.(*Kernel).LoadTaskImage(0xc000289008, {0x205cd78, 0xc190605508}, {0xc1908c4008, 0xc190888668, 0x1, {0xc18bc0d400, 0x7}, 0x0, {0xc194f9c160, ...}, ...}) pkg/sentry/kernel/task_image.go:153 +0x265 fp=0xc195177050 sp=0xc195176d70 pc=0xec6885 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.execveat(0xc190605508, 0xffffff9c, 0x20000180, 0x0, 0x0, 0x0) pkg/sentry/syscalls/linux/sys_thread.go:182 +0xfff fp=0xc195177490 sp=0xc195177050 pc=0x11a54bf gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Execveat(0xc190605508, 0x44af6d?, {{0xffffffffffffff9c}, {0x20000180}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_thread.go:80 +0x4e fp=0xc1951774f0 sp=0xc195177490 pc=0x11a446e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc190605508, 0x142, {{0xffffffffffffff9c}, {0x20000180}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:143 +0x995 fp=0xc195177938 sp=0xc1951774f0 pc=0xee5535 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc190605508, 0x142, {{0xffffffffffffff9c}, {0x20000180}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:323 +0x72 fp=0xc1951779e0 sp=0xc195177938 pc=0xee7392 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc190605508, 0x142, {{0xffffffffffffff9c}, {0x20000180}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:283 +0x94 fp=0xc195177a50 sp=0xc1951779e0 pc=0xee6d94 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc190605508) pkg/sentry/kernel/task_syscall.go:258 +0x4b0 fp=0xc195177b80 sp=0xc195177a50 pc=0xee6930 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc190605508?, 0xc190605508) pkg/sentry/kernel/task_run.go:263 +0x1fee fp=0xc195177e98 sp=0xc195177b80 pc=0xed002e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc190605508, 0x18a4) pkg/sentry/kernel/task_run.go:98 +0x46d fp=0xc195177fb0 sp=0xc195177e98 pc=0xecd6ad gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:393 +0x45 fp=0xc195177fe0 sp=0xc195177fb0 pc=0xee2f05 runtime.goexit({}) src/runtime/asm_amd64.s:1695 +0x1 fp=0xc195177fe8 sp=0xc195177fe0 pc=0x47d301 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 68809 pkg/sentry/kernel/task_start.go:393 +0x1ae