From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f70.google.com (mail-oo1-f70.google.com [209.85.161.70]) (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 1C1EC2F8E98 for ; Sun, 13 Sep 2026 04:24:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789273445; cv=none; b=GWahufkFsIEtww1uQx5m+z/kTjtfkBuNo36Z+T6BTyg4eCBgnX7w9sqFFO2KRw6eEGkZRGAU/bmsNNwRxG2okG0EGyDMnHph1+2bq+NKEOwqgGYMZYixs4UYTgWz4z7ukDgJsc/CYer9bcEVvaU91KauW8mTKBdCisthoUnc1mo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789273445; c=relaxed/simple; bh=tMQduL2mOOdtZiYAUtZEc8SUzX3rBgs6MoL2SQoMhU0=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=RwD3CSltSVSIHsW22ESg2GF3hxZ0D0/8S4vzsmq/ZYqQrQBvxaFSVoC5hNs/KAM5lLs8yvRQnHshNBftmq/7oWdMI0GNPIodIONgDtPWJkA7Z9AwE3rjF4EabL/4RdGhwvhdUcJM6pZAltRA60Dg1p0DzdSzCwd7QiO97AKFVQk= 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=209.85.161.70 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-f70.google.com with SMTP id 006d021491bc7-6c27804563dso1217781eaf.2 for ; Sat, 12 Sep 2026 21:24:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1789273443; x=1789878243; 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=Ft9XCRiTM2eJ7QiLTCzxPv5Fu7p0pn0dRz3O165vQ6w=; b=EgPBVAs6jco/6ldCOyHlclKouUX8KGiBOH+2SN8AkrP57YV1aye1jw7w22Nxhn4qE4 2cyE/nwF1l+Le3csETYlbFPEneWK1PZpC4kEsHmS7/HQpDbwH7oUm63fbksURaSe8p41 PiLCbt9bUOppl76qI3uXp8AcnZ+LXODVEVv7OH3B6mThORsqZdKSEQYNTymv7zz0WaHK azms2fWZI198szyJVXj4xR6GErEDyP9c/o6viRqbBmk+JPwLPvOcHmbIvnnjNZwPZ0gr +JQyAMutEhky0y9itWZy9c1yemByS+giPPAUE8EqRiLTingargTbINsWxt94cB8coyLz sP3Q== X-Forwarded-Encrypted: i=1; AKwUvBzcOEV+XAoyJvcs1t5h8EzUqGpT4nBYe6Yiy1Vk4UozKL3/eKxz35VkXFAGvI/x2jd0OcESGEaQi4hyIkM=@vger.kernel.org X-Gm-Message-State: AFuF++moAuMtUWVT1sbtmScwzkNias9bn/h261leAX4m+C6uzF7i6RZl 1EZn6T2I0EffFtnSGMc4bCF3T5Q2uiadzwTlqlkQYosjEvg22CI4Zru3oEU7Ht4PULJLxgBrfwn Oxre1THdszeai6A0KuyEZLkMZu8FG4xpyNGBayXujVBVEkVYzc/vlut/DoZc= 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:c2c2:20b0:6bd:5506:aae0 with SMTP id 006d021491bc7-6c0ba537bf2mr5065557eaf.22.1789273443128; Sat, 12 Sep 2026 21:24:03 -0700 (PDT) Date: Sat, 12 Sep 2026 21:24:03 -0700 In-Reply-To: <20260913032113.14940-1-kartikey406@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6aa62563.f2639fcc.29487d.004d.GAE@google.com> Subject: Re: [syzbot] [batman?] WARNING in batadv_iv_ogm_process_per_outif From: syzbot To: kartikey406@gmail.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: 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 '10.128.1.134' (ED25519) to the list of known ho= sts. 2026/09/13 04:22:43 parsed 1 programs 2026/09/13 04:22:43 serving rpc on tcp://37535 [ 116.176242][ T5638] cgroup: Unknown subsys name 'net' [ 116.269550][ T5638] cgroup: Unknown subsys name 'cpuset' [ 116.273132][ T5638] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size =3D 127995904 bytes [ 118.238222][ T5638] Adding 124996k swap on ./swap-file. Priority:0 exte= nts:1 across:124996k=20 [ 122.080438][ T5656] 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. [ 122.089651][ T5656] ebtables: xtables 32bit compat interface no longer s= upported in namespaces and will be removed soon. [ 122.090390][ T5656] arp_tables: xtables 32bit compat interface no longer= supported in namespaces and will be removed soon. [ 122.090846][ T5656] ip_tables: xtables 32bit compat interface no longer = supported in namespaces and will be removed soon. [ 122.091650][ T5656] ip6_tables: xtables 32bit compat interface no longer= supported in namespaces and will be removed soon. [ 123.409262][ T59] wlan0: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 123.409296][ T59] wlan0: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 [ 123.476253][ T28] wlan1: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 123.476281][ T28] wlan1: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 [ 124.797912][ T5687] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 124.798648][ T5687] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 124.798767][ T5687] bridge_slave_0: entered allmulticast mode [ 124.800981][ T5687] bridge_slave_0: entered promiscuous mode [ 124.813217][ T5687] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 124.813604][ T5687] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 124.813939][ T5687] bridge_slave_1: entered allmulticast mode [ 124.823934][ T5687] bridge_slave_1: entered promiscuous mode [ 124.896349][ T5687] bond0: (slave bond_slave_0): Enslaving as an active = interface with an up link [ 124.899978][ T5687] bond0: (slave bond_slave_1): Enslaving as an active = interface with an up link [ 124.943163][ T5687] team0: Port device team_slave_0 added [ 124.949239][ T5687] team0: Port device team_slave_1 added [ 124.980872][ T5687] batman_adv: batadv0: Adding interface: batadv_slave_= 0 [ 124.980887][ T5687] 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. [ 124.980906][ T5687] batman_adv: batadv0: Not using interface batadv_slav= e_0 (retrying later): interface not active [ 124.983146][ T5687] batman_adv: batadv0: Adding interface: batadv_slave_= 1 [ 124.983163][ T5687] 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. [ 124.983188][ T5687] batman_adv: batadv0: Not using interface batadv_slav= e_1 (retrying later): interface not active [ 125.108569][ T5687] hsr_slave_0: entered promiscuous mode [ 125.109992][ T5687] hsr_slave_1: entered promiscuous mode [ 125.328019][ T5687] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 125.335055][ T5687] 8021q: adding VLAN 0 to HW filter on device netdevsi= m0 [ 125.338239][ T5687] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 125.361418][ T5687] 8021q: adding VLAN 0 to HW filter on device netdevsi= m1 [ 125.362677][ T5687] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 125.384673][ T5687] 8021q: adding VLAN 0 to HW filter on device netdevsi= m2 [ 125.396089][ T5687] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 125.400660][ T5687] 8021q: adding VLAN 0 to HW filter on device netdevsi= m3 [ 125.458346][ T5687] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 125.458443][ T5687] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 125.458916][ T5687] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 125.459003][ T5687] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 125.511088][ T12] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 125.512830][ T12] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 125.583866][ T5687] 8021q: adding VLAN 0 to HW filter on device bond0 [ 125.613658][ T5687] 8021q: adding VLAN 0 to HW filter on device team0 [ 125.632260][ T12] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 125.632355][ T12] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 125.657712][ T3381] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 125.657829][ T3381] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 125.761435][ T5687] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 125.823171][ T5687] veth0_vlan: entered promiscuous mode [ 125.838830][ T5687] veth1_vlan: entered promiscuous mode [ 125.880567][ T5687] veth0_macvtap: entered promiscuous mode [ 125.893101][ T5687] veth1_macvtap: entered promiscuous mode [ 125.922257][ T5687] batman_adv: batadv0: Interface activated: batadv_sla= ve_0 [ 125.942931][ T5687] batman_adv: batadv0: Interface activated: batadv_sla= ve_1 [ 125.996954][ T3381] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 126.035840][ T12] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 126.035892][ T12] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 126.035929][ T12] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 126.178076][ T28] netdevsim netdevsim2 netdevsim3 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 126.273669][ T28] netdevsim netdevsim2 netdevsim2 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 127.290556][ T4939] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > = 1 [ 127.293666][ T4939] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > = 9 [ 127.303209][ T4939] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > = 9 [ 127.321967][ T4939] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > = 4 [ 127.322912][ T4939] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > = 2 [ 127.749294][ T28] netdevsim netdevsim2 netdevsim1 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 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). [ 129.060155][ T28] netdevsim netdevsim2 netdevsim0 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 129.193163][ T28] bridge_slave_1: left allmulticast mode [ 129.193213][ T28] bridge_slave_1: left promiscuous mode [ 129.195628][ T28] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 129.226471][ T28] bridge_slave_0: left allmulticast mode [ 129.226496][ T28] bridge_slave_0: left promiscuous mode [ 129.226693][ T28] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 129.401009][ T28] bond0 (unregistering): (slave bond_slave_0): Releasi= ng backup interface [ 129.415575][ T28] bond0 (unregistering): (slave bond_slave_1): Releasi= ng backup interface [ 129.418884][ T28] bond0 (unregistering): Released all slaves [ 129.557582][ T28] hsr_slave_0: left promiscuous mode [ 129.558709][ T28] hsr_slave_1: left promiscuous mode [ 129.560038][ T28] batman_adv: batadv0: Interface deactivated: batadv_s= lave_0 [ 129.560072][ T28] batman_adv: batadv0: Removing interface: batadv_slav= e_0 [ 129.561438][ T28] batman_adv: batadv0: Interface deactivated: batadv_s= lave_1 [ 129.561459][ T28] batman_adv: batadv0: Removing interface: batadv_slav= e_1 [ 129.621885][ T28] veth1_macvtap: left promiscuous mode [ 129.621958][ T28] veth0_macvtap: left promiscuous mode [ 129.622726][ T28] veth1_vlan: left promiscuous mode [ 129.622866][ T28] veth0_vlan: left promiscuous mode [ 130.090234][ T28] team0 (unregistering): Port device team_slave_1 remo= ved [ 130.119539][ T28] team0 (unregistering): Port device team_slave_0 remo= ved [ 130.278530][ T5284] 8021q: adding VLAN 0 to HW filter on device eth1 [ 131.131201][ T5284] 8021q: adding VLAN 0 to HW filter on device eth2 [ 131.820035][ T5284] 8021q: adding VLAN 0 to HW filter on device eth3 [ 132.254108][ T5284] 8021q: adding VLAN 0 to HW filter on device eth4 [ 133.727287][ T1311] ieee802154 phy0 wpan0: encryption failed: -22 [ 133.727357][ T1311] ieee802154 phy1 wpan1: encryption failed: -22 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-build98667249=3D/tmp/go-build -gno-record-gcc-= switches' GOHOSTARCH=3D'amd64' GOHOSTOS=3D'linux' GOINSECURE=3D'' GOMOD=3D'/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.= mod' 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' 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/ccgeWNYg.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: 2f0c1cf7 Merge tag 's390-7.3-3' 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=3D14dd55f95800= 00