From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 64D9D1755B for ; Thu, 4 Jul 2024 03:26:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720063565; cv=none; b=hb36pKJ+QmBZgAfE2P9oD9OUy8TD7Nq4avjBs00aRr0I5huCtw7ZGe+g3x1roI6MAKAD0jCdUaB5PUjUKDHGlGornIs5BBNDgB6SFyxr2uOtzlOtqQlZqhDOl9fBilB/PXTyYErSM1ul5IB1YdJj87CoCtKmH8jw6/U1B4S6/LI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720063565; c=relaxed/simple; bh=rZWE/a5wzzh4UvLAAeHM7Ntb13X1xTbcOsCzpAWtm7M=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; 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SMTP id 8926c6da1cb9f-4bf63752e9bmr23428173.4.1720063562515; Wed, 03 Jul 2024 20:26:02 -0700 (PDT) Date: Wed, 03 Jul 2024 20:26:02 -0700 In-Reply-To: <20240704024831.1805587-1-lizhi.xu@windriver.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a296af061c6381fc@google.com> Subject: Re: [syzbot] [kernel?] WARNING in follow_pte From: syzbot To: linux-kernel@vger.kernel.org, lizhi.xu@windriver.com, 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: 442 004144454141424e ZMM27=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 282b2e2fdf37342d 280bbfbf23243324 26312033fc040f18 1317140d080b0412 ZMM28=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 343133bffc121104 1214041204110814 100411bffc040f18 1317140d080b0412 ZMM29=3D0000000000000000 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0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 3130323a30696368 2f306963682f6874 6f6f7465756c622f 6c6175747269762f ZMM18=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 6f6f742079617272 6120656c75722079 7261726f706d6574 002a3f005b3f2a00 ZMM19=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 4a4a51055c445757 440540495057055c 5744574a55484051 000f1a005b1a0f00 ZMM20=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000041 0000000000000000 000000003130323a 306963682f306963 ZMM21=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 3031313837333033 0000000000000021 0000000000007374 ZMM22=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 68303e3b3a38253b 3a253e3a6e68303b 21383b657a687438 2739243c3b243b27 ZMM23=3D0000000000000000 0000000000000000 0000000000000000 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0000000000000000 0000000000000000= 1a1a1a1a1a1a1a1a 1a1a1a1a1a1a1a1a 1a1a1a1a1a1a1a1a 1a1a1a1a1a1a1a1a ZMM31=3D0000000000000000 0000000000000000 0000000000000000 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-build2952157381=3D/tmp/go-build -gno-record-gc= c-switches' git status (err=3D) HEAD detached at 1ecfa2d85 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 go fmt ./sys/... >/dev/null touch .descriptions GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3D1ecfa2d8506efdae0483eedc0b425db8537b6e80 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240702-162210'" "-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 g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wfr= ame-larger-than=3D16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-forma= t-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -= static-pie -std=3Dc++17 -I. -Iexecutor/_include -fpermissive -w -DGOOS_linu= x=3D1 -DGOARCH_amd64=3D1 \ -DHOSTGOOS_linux=3D1 -DGIT_REVISION=3D\"1ecfa2d8506efdae0483eedc0b425db853= 7b6e80\" /usr/bin/ld: /tmp/ccFcxoKa.o: in function `test_cover_filter()': executor.cc:(.text+0x133fb): warning: the use of `tempnam' is dangerous, be= tter use `mkstemp' /usr/bin/ld: /tmp/ccFcxoKa.o: in function `Connection::Connect(char const*,= char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEP= KcS1_]+0x1a0): warning: Using 'gethostbyname' in statically linked applicat= ions requires at runtime the shared libraries from the glibc version used f= or linking # Temporal hack to pre-created removed syz-fuzzer, # since old version of syz-ci still wants to copy it. touch ./bin/linux_amd64/syz-fuzzer Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=3D15574d15980000 Tested on: commit: 73461051 Merge tag 'erofs-for-6.10-rc7-fixes' of git:/.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linu= x.git kernel config: https://syzkaller.appspot.com/x/.config?x=3Dde2d4dc103148cd= 6 dashboard link: https://syzkaller.appspot.com/bug?extid=3D35a4414f6e247f515= 443 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=3D168779c19800= 00