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(PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712919902; x=1713524702; 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=wERfHLy8vuqyzLf9NT1SV0eQ9Em0v+99TFCqdH1fKMI=; b=eXxM6HkgeEeAK4elKgmT6ukLpepkGeHBi4Rq34VEE0KaNzO8fgGmBdESxyhfqdlfmP 8IGuqU+CI1JlJa003a0siXmVgNkkSsqnFA2GhKMTEmOB/fsm4aPgjluZpfh31k2/zPgz 8dNToK+VLHkM8jFg8FkCyX10V0jxq/dAwbAramtGbMUzkze870bOJbKgRAuXw84zO5+y yzsLojWLRDnr7/S6V+mitfvxEcbV0tFugk6khpBJTRCbLs1L87RGbeSQYSmKei4jQ8nn YUvjtUXZ5yMAVoI894EE23Z/+bjL13l9Fxlu8D+qN97ybxM8W+F7ukCUo8w13Cav0exx SeQQ== X-Forwarded-Encrypted: i=1; AJvYcCUTea2XumSB4Xr3qSAr6NAHc2UD6IkStsXhThWi/d+nQ25OVYxty4qk5t245P61VO7I1nNCd0+tx8QmLyp/GQOddVxTdjXAO9HvasGQ X-Gm-Message-State: AOJu0YxK6m9pc9x4NXvjvksV2UxLOaCv1rQwTgLk0BMlTyZcMq0YvVq/ fdQRiWTmxtjOcVmsolcH2Pounx5eqU171iSt+CRxWhA3r1d03nPyOw0a9ziEWSMDhfNDbUfHEVb HncJwqY9F4U6wBIMcmRCBq4JAUyKfz8AckBTQ22YmeBnS6yDYBWtLRco= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:34a4:b0:482:dc5f:4d78 with SMTP id t36-20020a05663834a400b00482dc5f4d78mr29093jal.3.1712919902482; Fri, 12 Apr 2024 04:05:02 -0700 (PDT) Date: Fri, 12 Apr 2024 04:05:02 -0700 In-Reply-To: <20240412104439.824-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005109960615e43e83@google.com> Subject: Re: [syzbot] [bluetooth?] KASAN: slab-use-after-free Read in __hci_req_sync 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: 8ed6ff4a8ed6ff 4a8ed6ff4a8ed6ff 4a8ed6ff4a8ed6ff ZMM27=3D6e943afe6e943afe 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0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000000 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-build616238421=3D/tmp/go-build -gno-record-gcc= -switches' git status (err=3D) HEAD detached at 27de0a5cc 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=3D27de0a5cccaebe20ffd8fce48c2c5ec9d4b358fa -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240411-171414'" "-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=3D27de0a5cccaebe20ffd8fce48c2c5ec9d4b358fa -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240411-171414'" "-tags= =3Dsyz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execpr= og github.com/google/syzkaller/tools/syz-execprog GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3D27de0a5cccaebe20ffd8fce48c2c5ec9d4b358fa -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240411-171414'" "-tags= =3Dsyz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress= github.com/google/syzkaller/tools/syz-stress mkdir -p ./bin/linux_amd64 gcc -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 -fpermissive -w -DGOOS_linux=3D1 -DGOARCH_amd64=3D1 \ -DHOSTGOOS_linux=3D1 -DGIT_REVISION=3D\"27de0a5cccaebe20ffd8fce48c2c5ec9d4= b358fa\" Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=3D128ef293180000 Tested on: commit: 00dcf5d8 Merge tag 'acpi-6.9-rc4' of git://git.kernel... git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/li= nux.git kernel config: https://syzkaller.appspot.com/x/.config?x=3D285be8dd6baeb43= 8 dashboard link: https://syzkaller.appspot.com/bug?extid=3D27209997e4015fb47= 02e 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=3D15d98eeb1800= 00