Fix ubsan failure
Fix ubsan failure

Vizerai/grpc,firebase/grpc,grpc/grpc,thinkerou/grpc,simonkuang/grpc,firebase/grpc,mehrdada/grpc,jtattermusch/grpc,Vizerai/grpc,sreecha/grpc,grpc/grpc,ctiller/grpc,carl-mastrangelo/grpc,muxi/grpc,geffzhang/grpc,carl-mastrangelo/grpc,sreecha/grpc,chrisdunelm/grpc,chrisdunelm/grpc,murgatroid99/grpc,thinkerou/grpc,pszemus/grpc,stanley-cheung/grpc,firebase/grpc,chrisdunelm/grpc,ejona86/grpc,donnadionne/grpc,firebase/grpc,vjpai/grpc,simonkuang/grpc,kpayson64/grpc,vjpai/grpc,geffzhang/grpc,sreecha/grpc,ctiller/grpc,deepaklukose/grpc,stanley-cheung/grpc,ncteisen/grpc,simonkuang/grpc,dgquintas/grpc,PeterFaiman/ruby-grpc-minimal,geffzhang/grpc,nicolasnoble/grpc,stanley-cheung/grpc,grpc/grpc,Vizerai/grpc,vjpai/grpc,carl-mastrangelo/grpc,PeterFaiman/ruby-grpc-minimal,dgquintas/grpc,jtattermusch/grpc,jtattermusch/grpc,adelez/grpc,murgatroid99/grpc,chrisdunelm/grpc,muxi/grpc,sreecha/grpc,ctiller/grpc,murgatroid99/grpc,adelez/grpc,mehrdada/grpc,thinkerou/grpc,dgquintas/grpc,fuchsia-mirror/third_party-grpc,jtattermusch/grpc,thinkerou/grpc,nicolasnoble/grpc,pszemus/grpc,donnadionne/grpc,nicolasnoble/grpc,thinkerou/grpc,PeterFaiman/ruby-grpc-minimal,donnadionne/grpc,carl-mastrangelo/grpc,sreecha/grpc,vjpai/grpc,firebase/grpc,thinkerou/grpc,daniel-j-born/grpc,ncteisen/grpc,ctiller/grpc,ncteisen/grpc,ctiller/grpc,grpc/grpc,deepaklukose/grpc,carl-mastrangelo/grpc,chrisdunelm/grpc,nicolasnoble/grpc,vjpai/grpc,nicolasnoble/grpc,dgquintas/grpc,sreecha/grpc,ctiller/grpc,ctiller/grpc,kpayson64/grpc,murgatroid99/grpc,stanley-cheung/grpc,kpayson64/grpc,ncteisen/grpc,stanley-cheung/grpc,dgquintas/grpc,PeterFaiman/ruby-grpc-minimal,murgatroid99/grpc,ncteisen/grpc,ejona86/grpc,geffzhang/grpc,thinkerou/grpc,sreecha/grpc,ncteisen/grpc,nicolasnoble/grpc,adelez/grpc,jboeuf/grpc,dgquintas/grpc,simonkuang/grpc,fuchsia-mirror/third_party-grpc,stanley-cheung/grpc,vjpai/grpc,fuchsia-mirror/third_party-grpc,kpayson64/grpc,pszemus/grpc,thinkerou/grpc,sreecha/grpc,sreecha/grpc,fuchsia-mirror/third_party-grpc,simonkuang/grpc,deepaklukose/grpc,chrisdunelm/grpc,firebase/grpc,grpc/grpc,pszemus/grpc,muxi/grpc,pszemus/grpc,ctiller/grpc,thinkerou/grpc,stanley-cheung/grpc,ncteisen/grpc,thinkerou/grpc,mehrdada/grpc,jboeuf/grpc,chrisdunelm/grpc,fuchsia-mirror/third_party-grpc,jtattermusch/grpc,firebase/grpc,vjpai/grpc,mehrdada/grpc,muxi/grpc,simonkuang/grpc,grpc/grpc,muxi/grpc,PeterFaiman/ruby-grpc-minimal,chrisdunelm/grpc,carl-mastrangelo/grpc,mehrdada/grpc,jboeuf/grpc,jtattermusch/grpc,Vizerai/grpc,carl-mastrangelo/grpc,grpc/grpc,jboeuf/grpc,firebase/grpc,PeterFaiman/ruby-grpc-minimal,deepaklukose/grpc,kpayson64/grpc,vjpai/grpc,donnadionne/grpc,jboeuf/grpc,Vizerai/grpc,firebase/grpc,jtattermusch/grpc,carl-mastrangelo/grpc,geffzhang/grpc,daniel-j-born/grpc,stanley-cheung/grpc,nicolasnoble/grpc,deepaklukose/grpc,donnadionne/grpc,dgquintas/grpc,simonkuang/grpc,pszemus/grpc,ncteisen/grpc,murgatroid99/grpc,ejona86/grpc,adelez/grpc,nicolasnoble/grpc,donnadionne/grpc,daniel-j-born/grpc,nicolasnoble/grpc,jboeuf/grpc,grpc/grpc,daniel-j-born/grpc,deepaklukose/grpc,daniel-j-born/grpc,PeterFaiman/ruby-grpc-minimal,jboeuf/grpc,adelez/grpc,donnadionne/grpc,kpayson64/grpc,mehrdada/grpc,grpc/grpc,sreecha/grpc,mehrdada/grpc,jtattermusch/grpc,donnadionne/grpc,sreecha/grpc,muxi/grpc,adelez/grpc,Vizerai/grpc,nicolasnoble/grpc,Vizerai/grpc,ctiller/grpc,grpc/grpc,geffzhang/grpc,stanley-cheung/grpc,nicolasnoble/grpc,kpayson64/grpc,pszemus/grpc,donnadionne/grpc,dgquintas/grpc,daniel-j-born/grpc,vjpai/grpc,ncteisen/grpc,firebase/grpc,fuchsia-mirror/third_party-grpc,mehrdada/grpc,deepaklukose/grpc,geffzhang/grpc,jtattermusch/grpc,ejona86/grpc,ejona86/grpc,murgatroid99/grpc,muxi/grpc,kpayson64/grpc,adelez/grpc,mehrdada/grpc,jboeuf/grpc,ejona86/grpc,firebase/grpc,grpc/grpc,fuchsia-mirror/third_party-grpc,deepaklukose/grpc,Vizerai/grpc,dgquintas/grpc,ncteisen/grpc,murgatroid99/grpc,vjpai/grpc,deepaklukose/grpc,pszemus/grpc,PeterFaiman/ruby-grpc-minimal,sreecha/grpc,ctiller/grpc,daniel-j-born/grpc,carl-mastrangelo/grpc,PeterFaiman/ruby-grpc-minimal,chrisdunelm/grpc,murgatroid99/grpc,pszemus/grpc,simonkuang/grpc,donnadionne/grpc,stanley-cheung/grpc,muxi/grpc,fuchsia-mirror/third_party-grpc,dgquintas/grpc,carl-mastrangelo/grpc,muxi/grpc,thinkerou/grpc,carl-mastrangelo/grpc,Vizerai/grpc,mehrdada/grpc,grpc/grpc,ejona86/grpc,dgquintas/grpc,chrisdunelm/grpc,muxi/grpc,ctiller/grpc,jtattermusch/grpc,muxi/grpc,ejona86/grpc,nicolasnoble/grpc,geffzhang/grpc,chrisdunelm/grpc,ctiller/grpc,jboeuf/grpc,jtattermusch/grpc,jtattermusch/grpc,ncteisen/grpc,adelez/grpc,stanley-cheung/grpc,fuchsia-mirror/third_party-grpc,muxi/grpc,kpayson64/grpc,mehrdada/grpc,donnadionne/grpc,fuchsia-mirror/third_party-grpc,vjpai/grpc,jboeuf/grpc,thinkerou/grpc,ejona86/grpc,pszemus/grpc,kpayson64/grpc,PeterFaiman/ruby-grpc-minimal,Vizerai/grpc,simonkuang/grpc,murgatroid99/grpc,Vizerai/grpc,ejona86/grpc,ncteisen/grpc,stanley-cheung/grpc,kpayson64/grpc,daniel-j-born/grpc,geffzhang/grpc,pszemus/grpc,jboeuf/grpc,firebase/grpc,mehrdada/grpc,ejona86/grpc,ejona86/grpc,adelez/grpc,carl-mastrangelo/grpc,vjpai/grpc,donnadionne/grpc,pszemus/grpc,daniel-j-born/grpc,jboeuf/grpc