Fix pkg/jsonmessage.TestProgress panic
Fix pkg/jsonmessage.TestProgress panic

Fix #23112

Signed-off-by: Akihiro Suda <ea940da7e429af3d0d0c18296cabd0112a36bad5@lab.ntt.co.jp>

tonistiigi/docker,bearstech/moby,raja-sami-10p/moby,estesp/docker,bearstech/moby,pecameron/docker,q384566678/docker,jwhonce/docker,maxamillion/docker,danix800/docker.github.io,LuisBosquez/docker.github.io,allencloud/docker,POLJM242/docker,jlhawn/docker,afein/docker,konstruktoid/docker-upstream,ibuildthecloud/docker,charleswhchan/docker,stainboy/docker,splunk/docker,Shopify/docker,whuwxl/docker,crosbymichael/docker,sarnautov/moby,rhatdan/storage,jlebon/docker,noxiouz/docker,yosifkit/docker,tklauser/docker,jongiddy/docker,nawawi/docker,Mokolea/docker,HuKeping/docker,shin-/docker.github.io,resin-io/docker,HideoYamauchi/docker,thtanaka/docker,troy0820/docker.github.io,zhuguihua/docker,imkin/moby,joeuo/docker.github.io,trebonian/docker,ColinHebert/docker,justincormack/docker,coreos/docker,gjaskiewicz/moby,sanscontext/docker.github.io,liaoqingwei/docker,mtesselH/docker,rancher/docker,anweiss/docker.github.io,Mokolea/docker,akira-baruah/docker,konstruktoid/docker-upstream,yosifkit/docker,nalind/docker,bearstech/moby,abhinavdahiya/docker,shhsu/docker,sterchelen/docker,Ramzec/docker,phiroict/docker,yp-engineering/docker,shin-/docker.github.io,KingEmet/docker,qudongfang/docker,dongjoon-hyun/docker,akira-baruah/docker,kunalkushwaha/docker,shin-/docker.github.io,joeuo/docker.github.io,ColinHebert/docker,yummypeng/docker,cpuguy83/docker,pramodhkp/moby,danyalKhaliq10p/moby,alexisbellido/docker.github.io,mikedougherty/docker,trebonian/docker,shubheksha/docker.github.io,jimjag/docker,dsheets/moby,anweiss/docker.github.io,srust/docker,Syntaxide/docker,madhanrm/docker,JimGalasyn/docker.github.io,justyntemme/docker,mtanlee/docker,gschaetz/moby,denverdino/docker.github.io,tagomoris/docker,danix800/docker.github.io,yongtang/docker,menglingwei/denverdino.github.io,jlhawn/docker,mtesselH/docker,rhatdan/storage,SvenDowideit/docker,paralin/docker,PatrickLang/moby,gdevillele/docker.github.io,KarthikNayak/docker,londoncalling/docker.github.io,dgageot/docker,dccurtis/docker,cloudflare/docker,sfsmithcha/docker,rancher/docker,sanscontext/docker.github.io,yummypeng/docker,mixja/docker,tmp6154/docker,mtrmac/docker,crosbymichael/docker,resin-io/docker,LuisBosquez/docker.github.io,whuwxl/docker,portworx/docker,liaoqingwei/docker,JimGalasyn/docker.github.io,coolljt0725/docker,stevvooe/docker,JMesser81/docker,moby/moby,pramodhkp/moby,laijs/moby,denverdino/denverdino.github.io,shhsu/docker,ffoysal/docker,endophage/docker,phiroict/docker,nawawi/docker,jvanz/docker,containers/storage,containers/storage,icaoweiwei/docker,tophj-ibm/moby,darrenstahlmsft/moby,eskaaren/docker,fcrisciani/docker,xiekeyang/docker,BSWANG/denverdino.github.io,rhatdan/docker,dccurtis/docker,tagomoris/docker,mtrmac/docker,jhorwit2/docker,alexisbellido/docker.github.io,cr7pt0gr4ph7/docker,hypriot/docker,Syntaxide/docker,gschaetz/moby,SvenDowideit/docker,phiroict/docker,xiekeyang/docker,mkumatag/docker,danix800/docker.github.io,maxamillion/docker,konstruktoid/docker-1,cloudflare/docker,mgoelzer/docker,sarnautov/moby,tklauser/docker,rillig/docker.github.io,erikh/docker,thtanaka/docker,justincormack/docker,mikebrow/docker,ajaymdesai/docker,thaJeztah/docker.github.io,miminar/docker,flavio/docker,docker/docker.github.io,amatsus/docker,x1022as/docker,catinthesky/docker,cyphar/docker,eskaaren/docker,cloudflare/docker,pecameron/docker,dongjoon-hyun/docker,moul/docker,xiaods/docker,fcrisciani/docker,noxiouz/docker,shhsu/docker,michael-holzheu/docker,nghiant2710/docker,dnephin/docker,mike1729/docker,JMesser81/docker,gjaskiewicz/moby,jlebon/docker,dmcgowan/docker,flavio/docker,medallia/docker,gigidwan/docker,harche/docker,ffoysal/docker,joaofnfernandes/docker.github.io,londoncalling/docker.github.io,konstruktoid/docker-upstream,docker/docker.github.io,stainboy/docker,charleszheng44/moby,alexisbellido/docker.github.io,Mokolea/docker,allencloud/docker,imkin/moby,shin-/docker.github.io,ripcurld0/moby,xiaods/docker,sanjeo/docker,wenchma/docker,laijs/docker,shubheksha/docker.github.io,scotttlin/docker,qudongfang/docker,erikh/docker,x1022as/docker,jongiddy/docker,13W/docker,mtrmac/docker,toli/docker,djs55/docker,kencochrane/docker,qudongfang/docker,menglingwei/denverdino.github.io,mikebrow/docker,mikebrow/docker,mgoelzer/docker,sfsmithcha/docker,charleswhchan/docker,erikh/docker,dgageot/docker,flavio/docker,rremer/moby,jthelin/docker,mkumatag/docker,coreos/docker,gnailuy/docker,gschaetz/moby,eskaaren/docker,portworx/docker,brahmaroutu/docker,dims/docker,joaofnfernandes/docker.github.io,yongtang/docker,miminar/docker,jzwlqx/denverdino.github.io,ColinHebert/docker,yosifkit/docker,prertik/docker,hypriot/docker,tophj-ibm/moby,splunk/docker,rillig/docker.github.io,rhatdan/storage,mike1729/docker,ibuildthecloud/docker,tianon/docker,HideoYamauchi/docker,laijs/moby,denverdino/docker.github.io,mstanleyjones/docker,jlebon/docker,docker/docker.github.io,tonistiigi/docker,SvenDowideit/docker,menglingwei/denverdino.github.io,aduermael/docker.github.io,anweiss/docker.github.io,michelvocks/docker,tianon/docker,danyalKhaliq10p/moby,aduermael/docker.github.io,twaugh/docker,abhinavdahiya/docker,diogomonica/docker,PatrickLang/moby,rremer/moby,dmcgowan/docker,dperny/docker,thaJeztah/docker.github.io,JMesser81/docker,alfred-landrum/docker,troy0820/docker.github.io,Ramzec/docker,mixja/docker,londoncalling/docker.github.io,xuxinkun/docker,michelvocks/docker,noironetworks/docker,dmcgowan/docker,raja-sami-10p/moby,darrenstahlmsft/moby,mstanleyjones/docker,LuisBosquez/docker.github.io,denverdino/docker.github.io,KarthikNayak/docker,alfred-landrum/docker,tophj-ibm/docker,BSWANG/denverdino.github.io,kencochrane/docker,ibuildthecloud/docker,projectatomic/docker,asbjornenge/docker,splunk/docker,gdevillele/docker.github.io,gnailuy/docker,JimGalasyn/docker.github.io,coolljt0725/docker,tmp6154/docker,bonczj/moby-json-file-logger,mgoelzer/docker,thaJeztah/docker,toli/docker,asbjornenge/docker,endophage/docker,bdwill/docker.github.io,alexisbellido/docker.github.io,thaJeztah/docker.github.io,kojiromike/docker,coreos/docker,tophj-ibm/moby,lixiaobing10051267/docker,mohmost12/docker,vdemeester/docker,jvanz/docker,cr7pt0gr4ph7/docker,mtanlee/docker,raja-sami-10p/moby,madhanrm/docker,ajaymdesai/docker,docker/docker,moby/moby,AkihiroSuda/docker,gdevillele/docker.github.io,hqhq/moby,alexisbellido/docker.github.io,KarthikNayak/docker,Shopify/docker,londoncalling/docker.github.io,konstruktoid/docker-1,shubheksha/docker.github.io,q384566678/docker,Morsicus/docker,moypray/docker,BSWANG/denverdino.github.io,mohmost12/docker,dims/docker,thaJeztah/docker,charleszheng44/moby,lixiaobing1/docker,POLJM242/docker,docker-zh/docker.github.io,cyphar/docker,vdemeester/docker,AkihiroSuda/docker,shishir-a412ed/docker,moby/moby,sdurrheimer/docker,nghiant2710/docker,pecameron/docker,joeuo/docker.github.io,msabansal/docker,kencochrane/docker,johnstep/moby-moby,hypriot/docker,afein/docker,dsheets/moby,medallia/docker,mahak/docker,sanscontext/docker.github.io,projectatomic/docker,dnephin/docker,LuisBosquez/docker.github.io,thaJeztah/docker,Ramzec/docker,docker-zh/docker.github.io,harche/docker,docker-zh/docker.github.io,denverdino/denverdino.github.io,joaofnfernandes/docker.github.io,shubheksha/docker.github.io,bonczj/moby-json-file-logger,xiekeyang/docker,nalind/docker,sterchelen/docker,estesp/docker,lixiaobing1/docker,darrenstahlmsft/docker,bluebreezecf/docker,twaugh/docker,sarnautov/moby,aduermael/docker.github.io,gigidwan/docker,denverdino/denverdino.github.io,sfsmithcha/docker,jzwlqx/denverdino.github.io,michelvocks/docker,konstruktoid/docker-1,Morsicus/docker,djs55/docker,docker/docker.github.io,yummypeng/docker,ffoysal/docker,liaoqingwei/docker,kerneltime/docker,rhatdan/docker,sanjeo/docker,projectatomic/docker,jwhonce/docker,djs55/docker,mikedougherty/docker,yosifkit/docker,wenchma/docker,Mokolea/docker,tkopczynski/docker,diogomonica/docker,thaJeztah/docker,ibuildthecloud/docker,rremer/moby,rillig/docker.github.io,containers/storage,ndeloof/docker,denverdino/docker.github.io,paralin/docker,duglin/docker,konstruktoid/docker-upstream,jzwlqx/denverdino.github.io,AkihiroSuda/docker,tkopczynski/docker,darrenstahlmsft/docker,jhorwit2/docker,danix800/docker.github.io,zhuguihua/docker,joaofnfernandes/docker.github.io,moypray/docker,resin-io/docker,dperny/docker,laijs/moby,mohmost12/docker,docker/docker,mtanlee/docker,dperny/docker,dnephin/docker,xiaods/docker,jzwlqx/denverdino.github.io,dsau/docker,cyphar/docker,icaoweiwei/docker,stevvooe/docker,bdwill/docker.github.io,BSWANG/denverdino.github.io,haveatry/docker,nalind/docker,tagomoris/docker,duglin/docker,trebonian/docker,bdwill/docker.github.io,bdwill/docker.github.io,sterchelen/docker,hqhq/moby,flavio/docker,kunalkushwaha/docker,nawawi/docker,jimjag/docker,yasiramin10p/moby,xuxinkun/docker,gdevillele/docker.github.io,johnstep/moby-moby,tmp6154/docker,kerneltime/docker,stevvooe/docker,yasiramin10p/moby,haveatry/docker,sdurrheimer/docker,afein/docker,mahak/docker,tkopczynski/docker,jvanz/docker,sanjeo/docker,Morsicus/docker,denverdino/denverdino.github.io,portworx/docker,hqhq/moby,srust/docker,x1022as/docker,madhanrm/docker,naveed-jamil-tenpearls/moby,tophj-ibm/docker,medallia/docker,dims/docker,mkumatag/docker,brahmaroutu/docker,kojiromike/docker,jameszhan/docker,thtanaka/docker,srust/docker,whuwxl/docker,pradipd/moby,bearstech/moby,q384566678/docker,KingEmet/docker,erikstmartin/docker,jongiddy/docker,ndeloof/docker,13W/docker,13W/docker,charleszheng44/moby,shin-/docker.github.io,moul/docker,HuKeping/docker,docker/docker,cpuguy83/docker,BSWANG/denverdino.github.io,noxiouz/docker,dsau/docker,londoncalling/docker.github.io,twaugh/docker,menglingwei/denverdino.github.io,vdemeester/docker,anweiss/docker.github.io,jlhawn/docker,jwhonce/docker,shishir-a412ed/docker,pradipd/moby,harche/docker,jthelin/docker,cr7pt0gr4ph7/docker,scotttlin/docker,JimGalasyn/docker.github.io,endophage/docker,asbjornenge/docker,troy0820/docker.github.io,justincormack/docker,medallia/docker,dsheets/moby,lixiaobing10051267/docker,johnstep/docker.github.io,unclejack/docker,joeuo/docker.github.io,YuPengZTE/docker,anweiss/docker.github.io,justyntemme/docker,paralin/docker,yongtang/docker,aduermael/docker.github.io,moypray/docker,unclejack/docker,kolyshkin/moby,gigidwan/docker,coolljt0725/docker,noironetworks/docker,jameszhan/docker,erikstmartin/docker,bonczj/moby-json-file-logger,yp-engineering/docker,stainboy/docker,paralin/docker,amatsus/docker,pramodhkp/moby,ndeloof/docker,zhuguihua/docker,yasiramin10p/moby,KingEmet/docker,HuKeping/docker,johnstep/docker.github.io,shubheksha/docker.github.io,LuisBosquez/docker.github.io,nghiant2710/docker,ripcurld0/moby,msabansal/docker,dccurtis/docker,tonistiigi/docker,cpuguy83/docker,scotttlin/docker,kolyshkin/docker,catinthesky/docker,cpuguy83/docker,fcrisciani/docker,unclejack/docker,crosbymichael/docker,ajaymdesai/docker,dongjoon-hyun/docker,sanscontext/docker.github.io,johnstep/docker.github.io,kerneltime/docker,johnstep/docker.github.io,gjaskiewicz/moby,toli/docker,catinthesky/docker,phiroict/docker,ripcurld0/moby,bluebreezecf/docker,gdevillele/docker.github.io,prertik/docker,darrenstahlmsft/docker,pradipd/moby,amatsus/docker,thaJeztah/docker.github.io,mikedougherty/docker,dgageot/docker,sdurrheimer/docker,YuPengZTE/docker,haveatry/docker,tophj-ibm/docker,kojiromike/docker,maxamillion/docker,moul/docker,mtesselH/docker,gnailuy/docker,docker-zh/docker.github.io,bluebreezecf/docker,naveed-jamil-tenpearls/moby,menglingwei/denverdino.github.io,johnstep/docker.github.io,miminar/docker,duglin/docker,xuxinkun/docker,abhinavdahiya/docker,noironetworks/docker,brahmaroutu/docker,alfred-landrum/docker,ibuildthecloud/docker,imkin/moby,darrenstahlmsft/moby,jimjag/docker,Shopify/docker,denverdino/denverdino.github.io,erikstmartin/docker,sanscontext/docker.github.io,yp-engineering/docker,tklauser/docker,docker-zh/docker.github.io,thaJeztah/docker.github.io,michael-holzheu/docker,justyntemme/docker,lixiaobing1/docker,AkihiroSuda/docker,estesp/docker,laijs/docker,JimGalasyn/docker.github.io,mahak/docker,rancher/docker,Ramzec/docker,joeuo/docker.github.io,moul/docker,allencloud/docker,mstanleyjones/docker,nawawi/docker,naveed-jamil-tenpearls/moby,kolyshkin/moby,jameszhan/docker,joaofnfernandes/docker.github.io,icaoweiwei/docker,msabansal/docker,kolyshkin/docker,denverdino/docker.github.io,rillig/docker.github.io,shishir-a412ed/docker,gnailuy/docker,danyalKhaliq10p/moby,jhorwit2/docker,13W/docker,johnstep/moby-moby,phiroict/docker,diogomonica/docker,prertik/docker,YuPengZTE/docker,michael-holzheu/docker,Syntaxide/docker,moby/moby,13W/docker,mahak/docker,charleswhchan/docker,laijs/docker,kunalkushwaha/docker,mike1729/docker,nalind/docker,dsau/docker,kolyshkin/moby,mixja/docker,wenchma/docker,jzwlqx/denverdino.github.io,PatrickLang/moby,bdwill/docker.github.io,trebonian/docker,troy0820/docker.github.io,docker/docker.github.io,jimjag/docker,lixiaobing10051267/docker,rhatdan/docker,HideoYamauchi/docker