From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B1F311E511 for ; Mon, 13 Nov 2023 13:33:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from mail-pl1-f199.google.com (mail-pl1-f199.google.com [209.85.214.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2D8B1189 for ; Mon, 13 Nov 2023 05:33:04 -0800 (PST) Received: by mail-pl1-f199.google.com with SMTP id d9443c01a7336-1cc1ddb34ccso46179705ad.1 for ; Mon, 13 Nov 2023 05:33:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699882383; x=1700487183; 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=gB/kuL7vFT98LZmFF91gvWSL+IxDP4W37pGpBzzEqVk=; b=B/ceGfuIzg+7tmsU07r9lt2v/G0Oqx/icLLuhGWEI9OO/4pfop0aww2kMWVhdt4Aiu p/u0PW7ZfSMM4N6RWka1LVJMsTi+LIoti9E3HubBQIoOnq88nrwYixLRwRM7k5VYWQcS wrBGkIEeitwAmXoK0+mw/Qi/59RfQsOVMOZl/YA0K00+eLAUIT9pQ2bvgewme/FKPES9 IvW0ZDf3flXX2Xe904grdGPuaS5U0yOaJbAtqSdPb3aLWwvLVWQAN+Ph+qC8nFS8Yx1E Hi6neBuPwOba7BOEmGdQhJ06IQcVMq5nXT8q1uNte7E10DdXdiCK/WFQZFD1dYjGj6OC apdg== X-Gm-Message-State: AOJu0YxrsDKSptmWNH0EftyMW5H8GC9ktCz8UvDZB//Cnq5YgDdyLsC8 pWLEkJrwGSnqt8LaPHuZyfA9Q1OpL+dJCt+ZwR7q0Pateg25 X-Google-Smtp-Source: AGHT+IHoH4RkKf5R6bXhUl2xzABwW/H+21wb4up6JATs/YraPvWwco/JudetL/R8CkjbxaXfq/gdHA2MM5i9E9gIl0Wxw/1mTMcz Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a17:903:25cf:b0:1cc:323c:fe4a with SMTP id jc15-20020a17090325cf00b001cc323cfe4amr2024518plb.12.1699882383722; Mon, 13 Nov 2023 05:33:03 -0800 (PST) Date: Mon, 13 Nov 2023 05:33:03 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a4540f060a08b52a@google.com> Subject: Re: [syzbot] [net?] [nfc?] KASAN: slab-use-after-free Read in nfc_alloc_send_skb From: syzbot To: code@siddh.me, linux-kernel@vger.kernel.org, netdev@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: failed to create VM pool: failed to write image file: googleapi: Error 500:= We encountered an internal error. Please try again., internalError 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-2/linux/gopath/pkg/mod" GONOPROXY=3D"" GONOSUMDB=3D"" GOOS=3D"linux" GOPATH=3D"/syzkaller/jobs-2/linux/gopath" GOPRIVATE=3D"" GOPROXY=3D"https://proxy.golang.org,direct" GOROOT=3D"/usr/local/go" GOSUMDB=3D"sum.golang.org" GOTMPDIR=3D"" GOTOOLDIR=3D"/usr/local/go/pkg/tool/linux_amd64" GOVCS=3D"" GOVERSION=3D"go1.20.1" GCCGO=3D"gccgo" GOAMD64=3D"v1" AR=3D"ar" CC=3D"gcc" CXX=3D"g++" CGO_ENABLED=3D"1" GOMOD=3D"/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.= mod" 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= -fdebug-prefix-map=3D/tmp/go-build1681865836=3D/tmp/go-build -gno-record-g= cc-switches" git status (err=3D) HEAD detached at 500bfdc41 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=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3D500bfdc41735bc8d617cbfd4f1ab6b5980c8f1e5 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20231103-130513'" "-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=3D500bfdc41735bc8d617cbfd4f1ab6b5980c8f1e5 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20231103-130513'" "-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=3D500bfdc41735bc8d617cbfd4f1ab6b5980c8f1e5 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20231103-130513'" "-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\"500bfdc41735bc8d617cbfd4f1ab6b5980= c8f1e5\" Tested on: commit: b85ea95d Linux 6.7-rc1 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=3Db5bf1661f609e7f= 0 dashboard link: https://syzkaller.appspot.com/bug?extid=3Dbbe84a4010eeea009= 82d compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debia= n) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=3D10070d70e800= 00