fatal error: unexpected signal during runtime execution
[signal SIGBUS: bus error code=0x2 addr=0xc4209b3000 pc=0x45a2a3]

runtime stack:
runtime.throw(0x8c652d, 0x2a)
	/syzkaller/go/src/runtime/panic.go:616 +0x81
runtime.sigpanic()
	/syzkaller/go/src/runtime/signal_unix.go:372 +0x28e
runtime.memclrNoHeapPointers(0xc4209b2000, 0x2000)
	/syzkaller/go/src/runtime/memclr_amd64.s:75 +0x113
runtime.(*mheap).alloc(0x14548a0, 0x1, 0xc420010013, 0xc420427148)
	/syzkaller/go/src/runtime/mheap.go:758 +0xdc
runtime.(*mcentral).grow(0x14560b0, 0x0)
	/syzkaller/go/src/runtime/mcentral.go:232 +0x94
runtime.(*mcentral).cacheSpan(0x14560b0, 0xc42054c000)
	/syzkaller/go/src/runtime/mcentral.go:106 +0x2e4
runtime.(*mcache).refill(0x2b042ddba000, 0xc4203ffe13)
	/syzkaller/go/src/runtime/mcache.go:123 +0x9c
runtime.(*mcache).nextFree.func1()
	/syzkaller/go/src/runtime/malloc.go:556 +0x32
runtime.systemstack(0x0)
	/syzkaller/go/src/runtime/asm_amd64.s:409 +0x79
runtime.mstart()
	/syzkaller/go/src/runtime/proc.go:1175