fatal error: fault [signal SIGBUS: bus error code=0x2 addr=0x7fb4fac1b020 pc=0x4611a1] goroutine 2838439 [running]: runtime.throw(0xfbb19f, 0x5) GOROOT/src/runtime/panic.go:616 +0x81 fp=0xc4206675b8 sp=0xc420667598 pc=0x430041 runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:385 +0x273 fp=0xc420667608 sp=0xc4206675b8 pc=0x4475a3 runtime.memmove(0x7fb4fac1b000, 0x7fb53a40f000, 0x101000) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/linux_amd64_static_race_stripped/stdlib%/src/runtime/memmove_amd64.s:419 +0x501 fp=0xc420667610 sp=0xc420667608 pc=0x4611a1 runtime.slicecopy(0x7fb4fac1b000, 0x101000, 0x101000, 0x7fb53a40f000, 0x101000, 0x101000, 0x1, 0x2) GOROOT/src/runtime/slice.go:222 +0x140 fp=0xc420667658 sp=0xc420667610 pc=0x448e70 gvisor.googlesource.com/gvisor/pkg/sentry/safemem.Copy(0x7fb4fac1b000, 0x101000, 0x0, 0x7fb53a40f000, 0x101000, 0x101000, 0xc420667800, 0xc420667940, 0xc420667840) pkg/sentry/safemem/block_unsafe.go:199 +0x546 fp=0xc420667750 sp=0xc420667658 pc=0x6a2f36 gvisor.googlesource.com/gvisor/pkg/sentry/safemem.CopySeq(0x7fb4fac1b000, 0xffffffffffffffff, 0x0, 0x101000, 0x7fb53a40f000, 0xffffffffffffffff, 0x0, 0x101000, 0x0, 0x0, ...) pkg/sentry/safemem/seq_unsafe.go:276 +0x269 fp=0xc420667830 sp=0xc420667750 pc=0x6a6e49 gvisor.googlesource.com/gvisor/pkg/sentry/safemem.(*BlockSeqReader).ReadToBlocks(0xc423abd020, 0x7fb4fac1b000, 0xffffffffffffffff, 0x0, 0x101000, 0x20, 0xc423abd020, 0xc4236a29c0) pkg/sentry/safemem/io.go:86 +0xbd fp=0xc4206678e0 sp=0xc420667830 pc=0x6a385d gvisor.googlesource.com/gvisor/pkg/sentry/safemem.ReadFullToBlocks(0x10bc880, 0xc423abd020, 0x7fb4fac1b000, 0xffffffffffffffff, 0x0, 0x101000, 0x0, 0x101000, 0x0) pkg/sentry/safemem/io.go:54 +0xfe fp=0xc420667970 sp=0xc4206678e0 pc=0x6a36fe gvisor.googlesource.com/gvisor/pkg/sentry/platform.AllocateAndFill(0x10ce7c0, 0xc420290000, 0x101000, 0x1, 0x10bc880, 0xc423abd020, 0xffffffffffffffff, 0x0, 0x101000, 0xc4236e8668) pkg/sentry/platform/platform.go:426 +0x153 fp=0xc420667a00 sp=0xc420667970 pc=0x6d7163 gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).breakCopyOnWriteLocked(0xc4236e8000, 0xc4236e8668, 0x6, 0x7f530b300000, 0x7f530b301000, 0x7f530b300000, 0x7f530b301000, 0xc4236e8668, 0x6, 0xc4236e8668) pkg/sentry/mm/pma.go:433 +0x342 fp=0xc420667b98 sp=0xc420667a00 pc=0x7da302 gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0xc4236e8000, 0x10cb800, 0xc423b08900, 0xc4236e8070, 0xa, 0x7f530b300000, 0x7f530b301000, 0x1, 0xc4236e8070, 0xb, ...) pkg/sentry/mm/pma.go:142 +0x358 fp=0xc420667c88 sp=0xc420667b98 pc=0x7d8088 gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).HandleUserFault(0xc4236e8000, 0x10cb800, 0xc423b08900, 0x7f530b300a98, 0x101, 0x7f530b300aa0, 0x0, 0x101) pkg/sentry/mm/syscalls.go:55 +0x1a5 fp=0xc420667d60 sp=0xc420667c88 pc=0x7efc55 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc423b08900, 0x10bc5a0, 0x0) pkg/sentry/kernel/task_run.go:255 +0x8b0 fp=0xc420667f48 sp=0xc420667d60 pc=0x86d2b0 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run(0xc423b08900, 0x95b1) pkg/sentry/kernel/task_run.go:95 +0x265 fp=0xc420667fd0 sp=0xc420667f48 pc=0x86c485 runtime.goexit() bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/linux_amd64_static_race_stripped/stdlib%/src/runtime/asm_amd64.s:2361 +0x1 fp=0xc420667fd8 sp=0xc420667fd0 pc=0x460431 created by gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:258 +0x194