From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f69.google.com (mail-oo1-f69.google.com [209.85.161.69]) (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 CB1AF219EB for ; Thu, 30 Apr 2026 23:37:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777592224; cv=none; b=M5Cs/pBpKvozQl2qaZRZRFDiZQTKyC/cNTc+KQCfD0vokbXKzGrLoIr9q8T8eZ8AjdvM2pOhG8AiS+seN6f5XDQNxyLu82ozB57CIC+w6le1KwiD2i4v1wNxx08Sk7p1Pp4zwaYqmUKITMhb9vF9HpCC5scVvvTF3tMYLOlPg3w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777592224; c=relaxed/simple; bh=0jnaFnjzxRWHLAe1ry9KX14LT1rWtWdxqloeqkkY7KE=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=cE33xjowI9HE79xrZ+FAW/51Kupl6hdvx+eeBLQvfZ+SDJjgB7LBzdd5R7PtRcyOM1MEQv3WW8QwtvNMDLd5+ohxV1dJexOlu60aa7mGSTJ8qMSKsa2Pqh6WQyuPde9Lg1WN2RdwK7zAZHM+YgSsJ0glkCDgi/hfHcuqgKr1IsQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.161.69 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oo1-f69.google.com with SMTP id 006d021491bc7-679c5ed0942so2784604eaf.1 for ; Thu, 30 Apr 2026 16:37:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777592222; x=1778197022; h=content-transfer-encoding:to:from:subject:message-id:in-reply-to :date:mime-version:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=kNKVMPfaNF3ozp3SQ6IvgmbmxjB5CaWS4ZlhoYrrsis=; b=qDCyniHctyBhTSyc5wTP3Dba9/kbyh3jxAt7DXt2sgKZKjETyrQtK4b4RgYR6qffiM R+Yrvaz2snL5muNTgBLHZPFiVNSuF10R2BwXuBkYMWSYmPNJflV629DvYNjRjzgXQTAB 5x21+tOXa+oP7SWhpUZZRPO7D6+qxDEJqHbgM29EHcaJgsrhV3C3QnVHopfx0MJQr76b kKUB4J4TM95kbFsmeIoyc0mZb8onOsHfzQ8FHQ7h718yx86QTQNTpW+jG22XvF6ju6Rr m5jBakFiaOhbiLxgU1uw5Q71H8GrFs89R//95mqqSq2HOMT4+hPuFHhyoE4j8MmT+Q6n mc6w== X-Gm-Message-State: AOJu0YyamgnzVW3EUYGuQLzkFeoNeTLVvXkWu55GdKGQDzXyfrY1aTvf LS6w7WmFGOTDZfrhYdooA0Yr00Bf8dfEixmPFIwADSqagMcQRe6dk7RfawmjvS2yQ/UmbTWhhgL tCBwHyqxAqR2eTuqU6hCLtPLDZUOsTBIQIGUEUMi3XCDSbg/6DKDz09YeEaQ= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:217:b0:694:96b2:9943 with SMTP id 006d021491bc7-6967a5c5d1bmr2777497eaf.37.1777592221833; Thu, 30 Apr 2026 16:37:01 -0700 (PDT) Date: Thu, 30 Apr 2026 16:37:01 -0700 In-Reply-To: <177758889878.181062.15272553579293380875@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69f3e79d.050a0220.3cbe47.0005.GAE@google.com> Subject: Re: [syzbot] [hfs?] KASAN: out-of-bounds Read in hfsplus_bnode_move From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, tristmd@gmail.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: can't ssh into the instance failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=3D= /dev/null" "-o" "IdentitiesOnly=3Dyes" "-o" "BatchMode=3Dyes" "-o" "StrictH= ostKeyChecking=3Dno" "-o" "ConnectTimeout=3D10" "root@10.128.1.191" "pwd"]:= exit status 255 ssh: connect to host 10.128.1.191 port 22: Connection timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[us-central1-ssh-serialport.googleapis.com]:960= 0' (ECDSA) to the list of known hosts. UEFI firmware (version built at 09:00:00 on Jan 10 2025) EMU Variable FVB Started EMU Variable invalid PCD sizes Found PL031 RTC @ 0x9010000 InitializeRealTimeClock: using default timezone/daylight settings =1B[2J=1B[01;01H=1B[=3D3h=1B[2J=1B[01;01H=1B[2J=1B[01;01H=1B[=3D3h=1B[2J=1B= [01;01HBdsDxe: loading Boot0001 "UEFI Misc Device" from PciRoot(0x0)/Pci(0x= 2,0x0)/NVMe(0x1,00-00-00-00-00-00-00-00) BdsDxe: starting Boot0001 "UEFI Misc Device" from PciRoot(0x0)/Pci(0x2,0x0)= /NVMe(0x1,00-00-00-00-00-00-00-00) UEFI: Attempting to start image. Description: UEFI Misc Device FilePath: PciRoot(0x0)/Pci(0x2,0x0)/NVMe(0x1,00-00-00-00-00-00-00-00) OptionNumber: 1. Booting `syzkaller' serialport: Connected to syzkaller.us-central1-a.ci-upstream-gce-arm64-test= -job-2 port 1 (session ID: cd8bd5f9dc60316f4eb5499381314d005c193a5438bc08a2= 25f160a3047b0a98, active connections: 1). syzkaller build log: go env (err=3D) AR=3D'ar' CC=3D'gcc' CGO_CFLAGS=3D'-O2 -g' CGO_CPPFLAGS=3D'' CGO_CXXFLAGS=3D'-O2 -g' CGO_ENABLED=3D'1' CGO_FFLAGS=3D'-O2 -g' CGO_LDFLAGS=3D'-O2 -g' CXX=3D'g++' GCCGO=3D'gccgo' GO111MODULE=3D'auto' GOAMD64=3D'v1' GOARCH=3D'amd64' GOAUTH=3D'netrc' GOBIN=3D'' GOCACHE=3D'/syzkaller/.cache/go-build' GOCACHEPROG=3D'' GODEBUG=3D'' GOENV=3D'/syzkaller/.config/go/env' GOEXE=3D'' GOEXPERIMENT=3D'' GOFIPS140=3D'off' GOFLAGS=3D'' GOGCCFLAGS=3D'-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=3D0= -ffile-prefix-map=3D/tmp/go-build1667542006=3D/tmp/go-build -gno-record-gc= c-switches' GOHOSTARCH=3D'amd64' GOHOSTOS=3D'linux' GOINSECURE=3D'' GOMOD=3D'/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mo= d' 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' GOTELEMETRY=3D'local' GOTELEMETRYDIR=3D'/syzkaller/.config/go/telemetry' GOTMPDIR=3D'' GOTOOLCHAIN=3D'auto' GOTOOLDIR=3D'/usr/local/go/pkg/tool/linux_amd64' GOVCS=3D'' GOVERSION=3D'go1.26.0' GOWORK=3D'' PKG_CONFIG=3D'pkg-config' git status (err=3D) HEAD detached at 9bd8dcda8c7 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:32: run command via tools/syz-env for best compatibility, see: Makefile:33: 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 bin/syz-sysgen touch .descriptions GOOS=3Dlinux GOARCH=3Darm64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3D9bd8dcda8c7c494d59bd3132a668f4784ea835c6 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240119-142441'" "-tags= =3Dsyz_target syz_os_linux syz_arch_arm64 " -o ./bin/linux_arm64/syz-fuzzer= github.com/google/syzkaller/syz-fuzzer GOOS=3Dlinux GOARCH=3Darm64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3D9bd8dcda8c7c494d59bd3132a668f4784ea835c6 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240119-142441'" "-tags= =3Dsyz_target syz_os_linux syz_arch_arm64 " -o ./bin/linux_arm64/syz-execpr= og github.com/google/syzkaller/tools/syz-execprog GOOS=3Dlinux GOARCH=3Darm64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3D9bd8dcda8c7c494d59bd3132a668f4784ea835c6 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240119-142441'" "-tags= =3Dsyz_target syz_os_linux syz_arch_arm64 " -o ./bin/linux_arm64/syz-stress= github.com/google/syzkaller/tools/syz-stress mkdir -p ./bin/linux_arm64 aarch64-linux-gnu-gcc -o ./bin/linux_arm64/syz-executor executor/executor.c= c \ -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-l= arger-than=3D16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-ove= rflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -stati= c-pie -fpermissive -w -DGOOS_linux=3D1 -DGOARCH_arm64=3D1 \ -DHOSTGOOS_linux=3D1 -DGIT_REVISION=3D\"9bd8dcda8c7c494d59bd3132a668f4784e= a835c6\" Tested on: commit: 08d0d346 Merge tag 'net-7.1-rc2' of git://git.kernel.o.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=3D27a79fc2a89b6cc= d dashboard link: https://syzkaller.appspot.com/bug?extid=3D6df204b70bf326169= 1c5 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-= 1~exp1~20251221153213.50), Debian LLD 21.1.8 userspace arch: arm64 patch: https://syzkaller.appspot.com/x/patch.diff?x=3D11a6f2d25800= 00