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AJvYcCVoqSS95O7Him/B4U8PptD03yrkemLbfZJCYR8PmDXjYxcZB6pPoqFkoX43Lp+lm6VktHMUs4CmIC6gm4B6sQcFSk5d02pHqYDvdY0o X-Gm-Message-State: AOJu0Ywpv6r5PqEahh3MQ9SU8NFzLknuvwUKUAX98vLBbv8w1TMEODUA 5/Yiz+3BRZIizQLIHP3FqDThnlhf/L98/piKXdC5iqyOgTVruY2IKGaEIaNOgQmbeVL8AzDV6Ig d2dJJbFNaPH5sUIVRJcvfijlLa7VdqAOnmVFghBqoP7ZDbdkV95r0VQk= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:268c:b0:4b7:c86f:f3cf with SMTP id 8926c6da1cb9f-4b9640aeab2mr136499173.3.1718362862233; Fri, 14 Jun 2024 04:01:02 -0700 (PDT) Date: Fri, 14 Jun 2024 04:01:02 -0700 In-Reply-To: <20240614104141.537-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ffbfaa061ad78793@google.com> Subject: Re: [syzbot] [nilfs?] [mm?] KASAN: slab-use-after-free Read in lru_add_fn From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hello, syzbot tried to test the proposed patch but the build/boot failed: 425207325 203a73250073255f 732500642573255f 7325006425207325 ZMM25=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 645f6464615f5f6d 6163646165702020 7373622039322065 6900666564007165 ZMM26=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 635f645f5f5f5f6d 2063642062202020 203133203932200a 65000a6564006c65 ZMM27=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= bfbfbfbfbfbfbfbf bfbfbfbfbfbfbfbf bfbfbfbfbfbfbfbf bfbf2b313423342c ZMM28=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 262821df2e2e33df 3228df3232202b22 df312e232d2435bf 2324353124322431 ZMM29=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 4141414141414141 4141414141414141 4141414141414141 4141414141414141 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0000000000000000= 2020202020202020 2020202020202020 2020202020202020 2020202020202020 syzkaller build log: go env (err=3D) GO111MODULE=3D'auto' GOARCH=3D'amd64' GOBIN=3D'' GOCACHE=3D'/syzkaller/.cache/go-build' GOENV=3D'/syzkaller/.config/go/env' GOEXE=3D'' GOEXPERIMENT=3D'' GOFLAGS=3D'' GOHOSTARCH=3D'amd64' GOHOSTOS=3D'linux' GOINSECURE=3D'' GOMODCACHE=3D'/syzkaller/jobs/linux/gopath/pkg/mod' GONOPROXY=3D'' GONOSUMDB=3D'' GOOS=3D'linux' GOPATH=3D'/syzkaller/jobs/linux/gopath' GOPRIVATE=3D'' GOPROXY=3D'https://proxy.golang.org,direct' GOROOT=3D'/usr/local/go' GOSUMDB=3D'sum.golang.org' GOTMPDIR=3D'' GOTOOLCHAIN=3D'auto' GOTOOLDIR=3D'/usr/local/go/pkg/tool/linux_amd64' GOVCS=3D'' GOVERSION=3D'go1.21.4' GCCGO=3D'gccgo' GOAMD64=3D'v1' AR=3D'ar' CC=3D'gcc' CXX=3D'g++' CGO_ENABLED=3D'1' GOMOD=3D'/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mo= d' GOWORK=3D'' CGO_CFLAGS=3D'-O2 -g' CGO_CPPFLAGS=3D'' CGO_CXXFLAGS=3D'-O2 -g' CGO_FFLAGS=3D'-O2 -g' CGO_LDFLAGS=3D'-O2 -g' PKG_CONFIG=3D'pkg-config' GOGCCFLAGS=3D'-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=3D0= -ffile-prefix-map=3D/tmp/go-build2079012086=3D/tmp/go-build -gno-record-gc= c-switches' git status (err=3D) HEAD detached at c2e072610 nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contribut= ing.md#using-syz-env go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sy= s/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contribut= ing.md#using-syz-env bin/syz-sysgen touch .descriptions GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3Dc2e0726105cc811a456d900c62443159acc29c32 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240516-163404'" "-tags= =3Dsyz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer= github.com/google/syzkaller/syz-fuzzer GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3Dc2e0726105cc811a456d900c62443159acc29c32 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240516-163404'" "-tags= =3Dsyz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execpr= og github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_amd64 gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -std=3Dc++11 -I. -Iexecutor/_include -O2 -pthread -Wall -Werror -Wpar= entheses -Wunused-const-variable -Wframe-larger-than=3D16384 -Wno-stringop-= overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variabl= e -Wno-unused-command-line-argument -static-pie -fpermissive -w -DGOOS_linu= x=3D1 -DGOARCH_amd64=3D1 \ -DHOSTGOOS_linux=3D1 -DGIT_REVISION=3D\"c2e0726105cc811a456d900c62443159ac= c29c32\" Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=3D1691eca6980000 Tested on: commit: d20f6b3d Merge tag 'net-6.10-rc4' of git://git.kernel... git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/li= nux.git master kernel config: https://syzkaller.appspot.com/x/.config?x=3Db8786f381e62940= f dashboard link: https://syzkaller.appspot.com/bug?extid=3Dd79afb004be235636= ee8 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Deb= ian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=3D12672e2e9800= 00