fatal error: fault [signal SIGBUS: bus error code=0x2 addr=0x7f809bf85000 pc=0x456bd8] goroutine 601 [running]: runtime.throw(0xba2b04, 0x5) GOROOT/src/runtime/panic.go:616 +0x81 fp=0xc4212ef800 sp=0xc4212ef7e0 pc=0x429441 runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:385 +0x273 fp=0xc4212ef850 sp=0xc4212ef800 pc=0x43e6b3 runtime.memmove(0x7f809bf73000, 0x7f809ba96000, 0x37000) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/linux_amd64_pure_stripped/stdlib%/src/runtime/memmove_amd64.s:365 +0x438 fp=0xc4212ef858 sp=0xc4212ef850 pc=0x456bd8 gvisor.googlesource.com/gvisor/pkg/sentry/safemem.Copy(0x7f809bf73000, 0x37000, 0x0, 0x7f809ba96000, 0x37000, 0x37000, 0x0, 0xc4212ef990, 0x428854) pkg/sentry/safemem/block_unsafe.go:199 +0x33d fp=0xc4212ef908 sp=0xc4212ef858 pc=0x5c8ecd gvisor.googlesource.com/gvisor/pkg/sentry/safemem.CopySeq(0x7f809bf73000, 0xffffffffffffffff, 0x0, 0x37000, 0x7f809ba96000, 0xffffffffffffffff, 0x0, 0x37000, 0x0, 0x0, ...) pkg/sentry/safemem/seq_unsafe.go:276 +0x25d fp=0xc4212ef9d8 sp=0xc4212ef908 pc=0x5cbd7d gvisor.googlesource.com/gvisor/pkg/sentry/safemem.(*BlockSeqReader).ReadToBlocks(0xc4204e9660, 0x7f809bf73000, 0xffffffffffffffff, 0x0, 0x37000, 0xc4212efb20, 0x40fb69, 0xc4204e9660) pkg/sentry/safemem/io.go:86 +0x84 fp=0xc4212efa58 sp=0xc4212ef9d8 pc=0x5c95b4 gvisor.googlesource.com/gvisor/pkg/sentry/safemem.ReadFullToBlocks(0xc54320, 0xc4204e9660, 0x7f809bf73000, 0xffffffffffffffff, 0x0, 0x37000, 0x0, 0x37000, 0x0) pkg/sentry/safemem/io.go:54 +0xe4 fp=0xc4212efad8 sp=0xc4212efa58 pc=0x5c94c4 gvisor.googlesource.com/gvisor/pkg/sentry/platform.AllocateAndFill(0xc63ac0, 0xc42013b680, 0x37000, 0x1, 0xc54320, 0xc4204e9660, 0xffffffffffffffff, 0x0, 0x37000, 0xc420a532e8) pkg/sentry/platform/platform.go:426 +0x114 fp=0xc4212efb60 sp=0xc4212efad8 pc=0x5ea724 gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).breakCopyOnWriteLocked(0xc420a52c80, 0xc420a532e8, 0x4, 0xa34000, 0xa35000, 0xa34000, 0xa35000, 0xc420a532e8, 0x4, 0xc420a532e8) pkg/sentry/mm/pma.go:433 +0x34d fp=0xc4212efc80 sp=0xc4212efb60 pc=0x688bad gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0xc420a52c80, 0xc61240, 0xc420616400, 0xc420a52cf0, 0x4, 0xa34000, 0xa35000, 0x1, 0xc420a52cf0, 0x5, ...) pkg/sentry/mm/pma.go:142 +0x2a2 fp=0xc4212efd60 sp=0xc4212efc80 pc=0x687202 gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).HandleUserFault(0xc420a52c80, 0xc61240, 0xc420616400, 0xa34cf0, 0x101, 0x7fb410515aa0, 0x0, 0x101) pkg/sentry/mm/syscalls.go:55 +0x194 fp=0xc4212efe28 sp=0xc4212efd60 pc=0x6966a4 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc420616400, 0xc54040, 0x0) pkg/sentry/kernel/task_run.go:255 +0x5ba fp=0xc4212eff88 sp=0xc4212efe28 pc=0x6ea2fa gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run(0xc420616400, 0x5e) pkg/sentry/kernel/task_run.go:95 +0x174 fp=0xc4212effd0 sp=0xc4212eff88 pc=0x6e99d4 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=0xc4212effd8 sp=0xc4212effd0 pc=0x455f31 created by gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:258 +0x100