fatal error: fault [signal SIGBUS: bus error code=0x2 addr=0x7f4eca97a020 pc=0x456bca] goroutine 639 [running]: runtime.throw(0xba3a44, 0x5) GOROOT/src/runtime/panic.go:616 +0x81 fp=0xc420c2d800 sp=0xc420c2d7e0 pc=0x429441 runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:385 +0x273 fp=0xc420c2d850 sp=0xc420c2d800 pc=0x43e6b3 runtime.memmove(0x7f4eca97a000, 0x7f4ecaa58000, 0x37000) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/linux_amd64_pure_stripped/stdlib%/src/runtime/memmove_amd64.s:362 +0x42a fp=0xc420c2d858 sp=0xc420c2d850 pc=0x456bca gvisor.googlesource.com/gvisor/pkg/sentry/safemem.Copy(0x7f4eca97a000, 0x37000, 0x0, 0x7f4ecaa58000, 0x37000, 0x37000, 0x0, 0xc420c2d990, 0x428854) pkg/sentry/safemem/block_unsafe.go:199 +0x33d fp=0xc420c2d908 sp=0xc420c2d858 pc=0x5c8fdd gvisor.googlesource.com/gvisor/pkg/sentry/safemem.CopySeq(0x7f4eca97a000, 0xffffffffffffffff, 0x0, 0x37000, 0x7f4ecaa58000, 0xffffffffffffffff, 0x0, 0x37000, 0x0, 0x0, ...) pkg/sentry/safemem/seq_unsafe.go:276 +0x25d fp=0xc420c2d9d8 sp=0xc420c2d908 pc=0x5cbe8d gvisor.googlesource.com/gvisor/pkg/sentry/safemem.(*BlockSeqReader).ReadToBlocks(0xc4214d2620, 0x7f4eca97a000, 0xffffffffffffffff, 0x0, 0x37000, 0xc420c2db20, 0x40fb69, 0xc4214d2620) pkg/sentry/safemem/io.go:86 +0x84 fp=0xc420c2da58 sp=0xc420c2d9d8 pc=0x5c96c4 gvisor.googlesource.com/gvisor/pkg/sentry/safemem.ReadFullToBlocks(0xc55300, 0xc4214d2620, 0x7f4eca97a000, 0xffffffffffffffff, 0x0, 0x37000, 0x0, 0x37000, 0x0) pkg/sentry/safemem/io.go:54 +0xe4 fp=0xc420c2dad8 sp=0xc420c2da58 pc=0x5c95d4 gvisor.googlesource.com/gvisor/pkg/sentry/platform.AllocateAndFill(0xc64bc0, 0xc420127680, 0x37000, 0x1, 0xc55300, 0xc4214d2620, 0xffffffffffffffff, 0x0, 0x37000, 0xc4202c9868) pkg/sentry/platform/platform.go:426 +0x114 fp=0xc420c2db60 sp=0xc420c2dad8 pc=0x5ea644 gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).breakCopyOnWriteLocked(0xc4202c9200, 0xc4202c9868, 0x4, 0xa34000, 0xa35000, 0xa34000, 0xa35000, 0xc4202c9868, 0x4, 0xc4202c9868) pkg/sentry/mm/pma.go:433 +0x34d fp=0xc420c2dc80 sp=0xc420c2db60 pc=0x688a7d gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0xc4202c9200, 0xc62220, 0xc420575600, 0xc4202c9270, 0x4, 0xa34000, 0xa35000, 0x1, 0xc4202c9270, 0x5, ...) pkg/sentry/mm/pma.go:142 +0x2a2 fp=0xc420c2dd60 sp=0xc420c2dc80 pc=0x6870d2 gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).HandleUserFault(0xc4202c9200, 0xc62220, 0xc420575600, 0xa34cf0, 0x101, 0x7f3b27260aa0, 0x0, 0x101) pkg/sentry/mm/syscalls.go:55 +0x194 fp=0xc420c2de28 sp=0xc420c2dd60 pc=0x696574 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc420575600, 0xc55020, 0x0) pkg/sentry/kernel/task_run.go:255 +0x5ba fp=0xc420c2df88 sp=0xc420c2de28 pc=0x6ea1ca gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run(0xc420575600, 0x50) pkg/sentry/kernel/task_run.go:95 +0x174 fp=0xc420c2dfd0 sp=0xc420c2df88 pc=0x6e98a4 runtime.goexit() bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/linux_amd64_pure_stripped/stdlib%/src/runtime/asm_amd64.s:2361 +0x1 fp=0xc420c2dfd8 sp=0xc420c2dfd0 pc=0x455f31 created by gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:258 +0x100