From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f72.google.com (mail-oo1-f72.google.com [209.85.161.72]) (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 850FF36F90C for ; Tue, 15 Sep 2026 10:38:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789468689; cv=none; b=Zjes3ORdWSsq7l+9UURjBa9acUuy+wY+x8mDpEO0J81OZMwTgMyD8ZULEBa3UHomlz08ZbDRdV/4rhgaS87wPeVSS2RGctwSLLfjlCf4bKySNlXn7iTO017aYiyr91oKh1oWmrZaGuYuzCrySP1LF9WDK/OIhKc3WS9PNf2X3wg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789468689; c=relaxed/simple; bh=WwFOrVEAJkodMSm7OvD5Jrb5T3cXnrxHGVAufwjtK2o=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Ss4BdQ8Qxe2IaRp8TGyA0tnXT94goJlptPMo5T+hQ3Sll3FNi8yhL5oR+QHciN+JyJJMEADtpr3kJTJkDYbdzmNQ7VKZuTO/jNGCxvRXZCNcpAjycSsOJ7ypxDwWl1ly27PUK8rN6pn+GGX2ZRT0hpxNoCP/U1HXyfVsJA4tOnM= 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=209.85.161.72 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-f72.google.com with SMTP id 006d021491bc7-6b1c1538784so5087372eaf.3 for ; Tue, 15 Sep 2026 03:38:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1789468683; x=1790073483; h=content-transfer-encoding:content-type:to:from:subject:message-id :in-reply-to:date:mime-version:x-gm-message-state:from:to:cc:subject :date:message-id:reply-to:content-type; bh=nwnM7qKCSV+kgbS5FNbbsZAmLUjjoRo3vkTJmWXYitA=; b=GEc9O+jhOZH4baVMTdORq5bMXJdWqGE6Xrpa0T6d73LINAGceHF76jjyHx6EMNTELd 5o6HQ1PrkRPzXC6JdhoLk3+z7c0kbCPBEwUq3g+K9SEwTaStScRQs6gQYpr1gJVf8N3S USudET2mzDeW7T7qpPs43qEGvH8TkvPFmxv31/Be/L1wJ6kPjLmXv+WG2KcHP2uqE3pX jPayks/2jMTCkG2XiScvYeOnZA7vFt1Hnt4cSpqFKaVQQFIqMeNP+YFtQZSLfpo/5Dqc +pGVVGUruDUD0BnBfF1Wu8hR5pVWdPopm7iWiTyinAM6Qlef/TqVMn7gJxI42sgD6waS BzFw== X-Forwarded-Encrypted: i=1; AKwUvByWZKLwq4kVIzwyM2A+AXde+gN9fHlprZTPpH81mPbX+5cUahfZvrCpgk17rRoFBTRPLoePNb0O8vs0+1E=@vger.kernel.org X-Gm-Message-State: AFuF++kFCW5eiT0PzdgRk0/IAfCAZBi6R4qYjGJWV21RdVtoy4CqqU1v t4MX9lMJY1mPdJiD/hScbQiOzGS0j97W3NGFgg/iJwuGKCqi2CM2qhLlg1wn+9o/+obMP0bF/4H m5mEHmida4ufZX5ZpCgGqn1X2LK9RGTtlill1U90Z1DHJUGTo84IJQlHU3v8= 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:f00f:b0:6b7:46fa:1693 with SMTP id 006d021491bc7-6c541b4515bmr4180325eaf.40.1789468683054; Tue, 15 Sep 2026 03:38:03 -0700 (PDT) Date: Tue, 15 Sep 2026 03:38:03 -0700 In-Reply-To: <6aa8a1a7.231dd6a4.33cf5b.44f0SMTPIN_ADDED_BROKEN@gmr-mx.google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6aa9200b.a211d2ce.1a5198.02aa.GAE@google.com> Subject: Re: [syzbot] [batman?] WARNING in batadv_iv_ogm_process_per_outif From: syzbot To: jchuang26@m.fudan.edu.cn, 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: SYZFAIL: failed to recv rpc SYZFAIL: failed to recv rpc fd=3D3 want=3D4 recv=3D0 n=3D0 (errno 9: Bad file descriptor) execution of simple program fails: NOTFAIL: arptable checkpoint: getsockopt= (ARPT_SO_GET_ENTRIES) failed. table=3Dfilter (errno 22: Invalid argument). Warning: Permanently added '10.128.1.177' (ED25519) to the list of known ho= sts. 2026/09/15 10:36:35 parsed 1 programs 2026/09/15 10:36:35 serving rpc on tcp://36671 [ 97.008320][ T5631] cgroup: Unknown subsys name 'net' [ 97.146437][ T5631] cgroup: Unknown subsys name 'cpuset' [ 97.150104][ T5631] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size =3D 127995904 bytes [ 97.577622][ T10] cfg80211: failed to load regulatory.db [ 98.952704][ T5631] Adding 124996k swap on ./swap-file. Priority:0 exte= nts:1 across:124996k=20 [ 102.463188][ T5645] soft_limit_in_bytes is deprecated and will be remove= d. Writing any value to this file has no effect. Please report your usecase= to linux-mm@kvack.org if you depend on this functionality. [ 102.468100][ T5645] ebtables: xtables 32bit compat interface no longer s= upported in namespaces and will be removed soon. [ 102.468498][ T5645] arp_tables: xtables 32bit compat interface no longer= supported in namespaces and will be removed soon. [ 102.468788][ T5645] ip_tables: xtables 32bit compat interface no longer = supported in namespaces and will be removed soon. [ 102.469155][ T5645] ip6_tables: xtables 32bit compat interface no longer= supported in namespaces and will be removed soon. [ 104.670974][ T5680] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 104.671498][ T5680] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 104.671624][ T5680] bridge_slave_0: entered allmulticast mode [ 104.676501][ T5680] bridge_slave_0: entered promiscuous mode [ 104.701324][ T5680] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 104.701462][ T5680] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 104.701645][ T5680] bridge_slave_1: entered allmulticast mode [ 104.707565][ T5680] bridge_slave_1: entered promiscuous mode [ 104.755188][ T5680] bond0: (slave bond_slave_0): Enslaving as an active = interface with an up link [ 104.758093][ T5680] bond0: (slave bond_slave_1): Enslaving as an active = interface with an up link [ 104.801186][ T5680] team0: Port device team_slave_0 added [ 104.808350][ T5680] team0: Port device team_slave_1 added [ 104.836597][ T5680] batman_adv: batadv0: Adding interface: batadv_slave_= 0 [ 104.836612][ T5680] batman_adv: batadv0: The MTU of interface batadv_sla= ve_0 is too small (1500) to handle the transport of batman-adv packets. Pac= kets going over this interface will be fragmented on layer2 which could imp= act the performance. Setting the MTU to 1532 would solve the problem. [ 104.836639][ T5680] batman_adv: batadv0: Not using interface batadv_slav= e_0 (retrying later): interface not active [ 104.838815][ T5680] batman_adv: batadv0: Adding interface: batadv_slave_= 1 [ 104.838832][ T5680] batman_adv: batadv0: The MTU of interface batadv_sla= ve_1 is too small (1500) to handle the transport of batman-adv packets. Pac= kets going over this interface will be fragmented on layer2 which could imp= act the performance. Setting the MTU to 1532 would solve the problem. [ 104.838864][ T5680] batman_adv: batadv0: Not using interface batadv_slav= e_1 (retrying later): interface not active [ 104.961449][ T5680] hsr_slave_0: entered promiscuous mode [ 104.963188][ T5680] hsr_slave_1: entered promiscuous mode [ 105.141888][ T5680] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 105.155219][ T5680] 8021q: adding VLAN 0 to HW filter on device netdevsi= m0 [ 105.156750][ T5680] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 105.161486][ T5680] 8021q: adding VLAN 0 to HW filter on device netdevsi= m1 [ 105.163701][ T5680] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 105.195893][ T5680] 8021q: adding VLAN 0 to HW filter on device netdevsi= m2 [ 105.197198][ T5680] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 105.209126][ T5680] 8021q: adding VLAN 0 to HW filter on device netdevsi= m3 [ 105.255166][ T5680] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 105.255262][ T5680] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 105.255686][ T5680] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 105.255772][ T5680] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 105.350068][ T5680] 8021q: adding VLAN 0 to HW filter on device bond0 [ 105.378361][ T12] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 105.379845][ T12] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 105.415939][ T5680] 8021q: adding VLAN 0 to HW filter on device team0 [ 105.433157][ T80] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 105.433259][ T80] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 105.441920][ T12] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 105.442026][ T12] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 105.562918][ T5680] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.619871][ T5680] veth0_vlan: entered promiscuous mode [ 105.636147][ T5680] veth1_vlan: entered promiscuous mode [ 105.676296][ T5680] veth0_macvtap: entered promiscuous mode [ 105.681087][ T5680] veth1_macvtap: entered promiscuous mode [ 105.711601][ T5680] batman_adv: batadv0: Interface activated: batadv_sla= ve_0 [ 105.729189][ T5680] batman_adv: batadv0: Interface activated: batadv_sla= ve_1 [ 105.765089][ T42] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 105.770453][ T42] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 105.770501][ T42] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 105.832641][ T80] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 105.974888][ T80] netdevsim netdevsim1 netdevsim3 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 106.097260][ T80] netdevsim netdevsim1 netdevsim2 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 106.189599][ T80] netdevsim netdevsim1 netdevsim1 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 106.656817][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > = 1 [ 106.657692][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > = 9 [ 106.658215][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > = 9 [ 106.659613][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > = 4 [ 106.660392][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > = 2 [ 107.325697][ T80] netdevsim netdevsim1 netdevsim0 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 107.446452][ T50] wlan0: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 107.446481][ T50] wlan0: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 [ 107.505920][ T50] wlan1: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 107.505944][ T50] wlan1: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 SYZFAIL: failed to recv rpc fd=3D3 want=3D4 recv=3D0 n=3D0 (errno 9: Bad file descriptor) execution of simple program fails: NOTFAIL: arptable checkpoint: getsockopt= (ARPT_SO_GET_ENTRIES) failed. table=3Dfilter (errno 22: Invalid argument). [ 108.836631][ T80] bridge_slave_1: left allmulticast mode [ 108.836678][ T80] bridge_slave_1: left promiscuous mode [ 108.838492][ T80] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 108.845622][ T80] bridge_slave_0: left allmulticast mode [ 108.845707][ T80] bridge_slave_0: left promiscuous mode [ 108.846394][ T80] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 109.026958][ T80] bond0 (unregistering): (slave bond_slave_0): Releasi= ng backup interface [ 109.029905][ T80] bond0 (unregistering): (slave bond_slave_1): Releasi= ng backup interface [ 109.031739][ T80] bond0 (unregistering): Released all slaves [ 109.123743][ T80] hsr_slave_0: left promiscuous mode [ 109.124600][ T80] hsr_slave_1: left promiscuous mode [ 109.125726][ T80] batman_adv: batadv0: Interface deactivated: batadv_s= lave_0 [ 109.125760][ T80] batman_adv: batadv0: Removing interface: batadv_slav= e_0 [ 109.126927][ T80] batman_adv: batadv0: Interface deactivated: batadv_s= lave_1 [ 109.126946][ T80] batman_adv: batadv0: Removing interface: batadv_slav= e_1 [ 109.181999][ T80] veth1_macvtap: left promiscuous mode [ 109.188497][ T80] veth0_macvtap: left promiscuous mode [ 109.188647][ T80] veth1_vlan: left promiscuous mode [ 109.189658][ T80] veth0_vlan: left promiscuous mode [ 109.566173][ T80] team0 (unregistering): Port device team_slave_1 remo= ved [ 109.599106][ T80] team0 (unregistering): Port device team_slave_0 remo= ved [ 109.788679][ T5279] 8021q: adding VLAN 0 to HW filter on device eth1 [ 110.520208][ T5279] 8021q: adding VLAN 0 to HW filter on device eth2 [ 111.351931][ T5279] 8021q: adding VLAN 0 to HW filter on device eth3 [ 111.769916][ T5279] 8021q: adding VLAN 0 to HW filter on device eth4 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-build1226858570=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 b6a5eeb7114 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}}' -ldflags=3D"-s -w -X github.com/google/syzkaller/pr= og.GitRevision=3Db6a5eeb7114b1887514b0d74ca39167dfbfa4603 -X github.com/goo= gle/syzkaller/prog.gitRevisionDate=3D20260911-102446" ./sys/syz-sysgen | g= rep -q false || go install -ldflags=3D"-s -w -X github.com/google/syzkaller= /prog.GitRevision=3Db6a5eeb7114b1887514b0d74ca39167dfbfa4603 -X github.com/= google/syzkaller/prog.gitRevisionDate=3D20260911-102446" ./sys/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=3Db6a5eeb7114b1887514b0d74ca39167dfbfa4603 -X g= ithub.com/google/syzkaller/prog.gitRevisionDate=3D20260911-102446" -o ./bi= n/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_386 x86_64-linux-gnu-g++ -o ./bin/linux_386/syz-executor executor/executor.cc \ -m32 -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 -DGOOS_linux=3D1 -DGOARCH= _386=3D1 \ -DHOSTGOOS_linux=3D1 -DGIT_REVISION=3D\"b6a5eeb7114b1887514b0d74ca39167dfb= fa4603\" /usr/bin/ld: /tmp/ccItziqN.o: in function `Connection::Connect(char const*,= char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEP= KcS1_]+0x145): warning: Using 'gethostbyname' in statically linked applicat= ions requires at runtime the shared libraries from the glibc version used f= or linking ./tools/check-syzos.sh 2>/dev/null [INFO] Unsupported architecture '386', skipping check. Tested on: commit: 58785836 Merge tag 'nfsd-7.3-1' of git://git.kernel.or.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=3D5e4e3a0e188a497= e dashboard link: https://syzkaller.appspot.com/bug?extid=3Da079f084653164a65= 2d1 compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-= 1~exp1~20260613092250.77), Debian LLD 22.1.8 userspace arch: i386 patch: https://syzkaller.appspot.com/x/patch.diff?x=3D13707df95800= 00