fatal error: fault
[signal SIGBUS: bus error code=0x2 addr=0x7f939ad2b000 pc=0x4569dd]

goroutine 456941 [running]:
runtime.throw(0xba2b04, 0x5)
	GOROOT/src/runtime/panic.go:616 +0x81 fp=0xc420767058 sp=0xc420767038 pc=0x429441
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:385 +0x273 fp=0xc4207670a8 sp=0xc420767058 pc=0x43e6b3
runtime.memmove(0x7f939ad2b000, 0x7f9398a3a440, 0xa0)
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/linux_amd64_pure_stripped/stdlib%/src/runtime/memmove_amd64.s:228 +0x23d fp=0xc4207670b0 sp=0xc4207670a8 pc=0x4569dd
gvisor.googlesource.com/gvisor/pkg/sentry/safemem.Copy(0x7f939ad2b000, 0xa0, 0x0, 0x7f9398a3a440, 0xa0, 0x0, 0x40fb00, 0x0, 0xc420262008)
	pkg/sentry/safemem/block_unsafe.go:199 +0x33d fp=0xc420767160 sp=0xc4207670b0 pc=0x5c8ecd
gvisor.googlesource.com/gvisor/pkg/sentry/safemem.CopySeq(0x7f939ad2b000, 0xffffffffffffffff, 0x0, 0xa0, 0x7f9398a3a440, 0xffffffffffffffff, 0x0, 0xa0, 0x0, 0x0, ...)
	pkg/sentry/safemem/seq_unsafe.go:276 +0x25d fp=0xc420767230 sp=0xc420767160 pc=0x5cbd7d
gvisor.googlesource.com/gvisor/pkg/sentry/fs/tmpfs.(*fileReadWriter).WriteFromBlocks(0xc420a2c090, 0x7f9398a3a440, 0xffffffffffffffff, 0x0, 0xa0, 0x0, 0x0, 0x0)
	pkg/sentry/fs/tmpfs/inode_file.go:399 +0x4d8 fp=0xc420767338 sp=0xc420767230 pc=0x7b1fb8
gvisor.googlesource.com/gvisor/pkg/sentry/safemem.(Writer).WriteFromBlocks-fm(0x7f9398a3a440, 0xffffffffffffffff, 0x0, 0xa0, 0x200004e0, 0x7f9398a3a440, 0xffffffffffffffff)
	pkg/sentry/mm/io.go:309 +0x57 fp=0xc420767388 sp=0xc420767338 pc=0x6a9877
gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc420930580, 0xc61240, 0xc420f66000, 0x20000440, 0x200004e0, 0x1, 0xc420767630, 0x10b6228, 0xb9e776f7c5ec2, 0xc420767578)
	pkg/sentry/mm/io.go:464 +0x72c fp=0xc420767488 sp=0xc420767388 pc=0x683c0c
gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).withVecInternalMappings(0xc420930580, 0xc61240, 0xc420f66000, 0x0, 0x1, 0x20000440, 0xa0, 0xc400000001, 0xc420767630, 0x154defa9d6e43e59, ...)
	pkg/sentry/mm/io.go:533 +0x7f1 fp=0xc420767580 sp=0xc420767488 pc=0x684481
gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).CopyInTo(0xc420930580, 0xc61240, 0xc420f66000, 0x0, 0x1, 0x20000440, 0xa0, 0xc53ec0, 0xc420a2c090, 0x100, ...)
	pkg/sentry/mm/io.go:309 +0x17c fp=0xc420767658 sp=0xc420767580 pc=0x6826cc
gvisor.googlesource.com/gvisor/pkg/sentry/usermem.IOSequence.CopyInTo(0xc5ff20, 0xc420930580, 0x0, 0x1, 0x20000440, 0xa0, 0x100, 0xc61240, 0xc420f66000, 0xc53ec0, ...)
	pkg/sentry/usermem/usermem.go:528 +0xad fp=0xc4207676d0 sp=0xc420767658 pc=0x5d121d
gvisor.googlesource.com/gvisor/pkg/sentry/fs/tmpfs.(*fileInodeOperations).write(0xc420377440, 0xc61240, 0xc420f66000, 0xc5ff20, 0xc420930580, 0x0, 0x1, 0x20000440, 0xa0, 0x100, ...)
	pkg/sentry/fs/tmpfs/inode_file.go:291 +0x198 fp=0xc420767790 sp=0xc4207676d0 pc=0x7b1298
gvisor.googlesource.com/gvisor/pkg/sentry/fs/tmpfs.(*regularFileOperations).Write(0xc4201722e8, 0xc61240, 0xc420f66000, 0xc420eacc60, 0xc5ff20, 0xc420930580, 0x0, 0x1, 0x20000440, 0xa0, ...)
	pkg/sentry/fs/tmpfs/file_regular.go:52 +0x89 fp=0xc420767810 sp=0xc420767790 pc=0x7af3c9
gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*File).Writev(0xc420eacc60, 0xc61240, 0xc420f66000, 0xc5ff20, 0xc420930580, 0x0, 0x1, 0x20000440, 0xa0, 0x100, ...)
	pkg/sentry/fs/file.go:273 +0x170 fp=0xc4207678c0 sp=0xc420767810 pc=0x610f20
gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.writev(0xc420f66000, 0xc420eacc60, 0xc5ff20, 0xc420930580, 0x0, 0x1, 0x20000440, 0xa0, 0x100, 0xa0, ...)
	pkg/sentry/syscalls/linux/sys_write.go:191 +0x91 fp=0xc420767a68 sp=0xc4207678c0 pc=0x8bc581
gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Write(0xc420f66000, 0x4, 0x20000440, 0xa0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/sys_write.go:67 +0x21e fp=0xc420767b80 sp=0xc420767a68 pc=0x8bb46e
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc420f66000, 0x1, 0x4, 0x20000440, 0xa0, 0x0, 0x0, 0x0, 0x0, 0xba0f80, ...)
	pkg/sentry/kernel/task_syscall.go:162 +0x307 fp=0xc420767c38 sp=0xc420767b80 pc=0x6f3437
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc420f66000, 0x1, 0x4, 0x20000440, 0xa0, 0x0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:280 +0x62 fp=0xc420767cc0 sp=0xc420767c38 pc=0x6f4122
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc420f66000, 0x1, 0x4, 0x20000440, 0xa0, 0x0, 0x0, 0x0, 0xc54040, 0x0)
	pkg/sentry/kernel/task_syscall.go:241 +0x91 fp=0xc420767d20 sp=0xc420767cc0 pc=0x6f3d51
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc420f66000, 0x2, 0xc4203139e0)
	pkg/sentry/kernel/task_syscall.go:216 +0x142 fp=0xc420767e28 sp=0xc420767d20 pc=0x6f3692
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc420f66000, 0xc54040, 0x0)
	pkg/sentry/kernel/task_run.go:219 +0xe56 fp=0xc420767f88 sp=0xc420767e28 pc=0x6eab96
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run(0xc420f66000, 0xbea)
	pkg/sentry/kernel/task_run.go:95 +0x174 fp=0xc420767fd0 sp=0xc420767f88 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=0xc420767fd8 sp=0xc420767fd0 pc=0x455f31
created by gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:258 +0x100