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 186DB382299 for ; Sun, 13 Sep 2026 04:11:02 +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=1789272665; cv=none; b=CLJe6H/PXLi61tS+PdhW7h9JHYwVftBPRgXY7Bc0bt+gAMDqhYQzCTP9NHnRet+Yq9QNUgiN7XjJaQ/hvKrHQwDdDprdZ1zc+R3bhEHptjqas7DSQirjwr1V4n9a3h/lKTdcED0CRSNyucMUcdOdg+vdbnIeOpbyIveQRVE2l34= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789272665; c=relaxed/simple; bh=/QXEirN8X8y1VYcMvgkn21Q/DqSnpnnuwjtyIDmzKwc=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=E06ZgYHl2ULMFVNhZzhoabslN7d896US8ahjUyE7CqvsjSPuo9UvdPJ/MUaoQHTBZ/iDE5C2fdo1z3gkwv0d9EWA92rWwW02gApU1YdlwmxEMu8hcPSS4/mbVctGBkSROEu3ECDYNEQSB8JeK0besjd7VKTeUntirLhU/3JIVRQ= 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 006d021491bc7-6c324a0c0faso532964eaf.1 for ; Sat, 12 Sep 2026 21:11:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1789272662; x=1789877462; 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=3IRtFngqzLaGfyooFNTH7M67EhtEHMUE2IHqjO4GeXI=; b=jCoI7WJljQpTo9kmav2bkx5/IbNbd8tOyLFvYXWuQpXgjHE4JL/ujeDGok1CeqIs74 P/XqRDYI7J25o178ICMZBVzEXTjS+OZQi6xCqxcr57xVapiVn3y3qnItFjLU9pYycsRU Uw0tWgUm55jD8jC030sN597W00KJ0FwX+wxzyhXMYJcgTohyM5VV9EHz08weIaMjJP+0 KUCeqvb0dGgvbjccN+sd4FBV7CoT2u4K50Y8E4yXwfo4WFdPhj8DJvE/RTY3EBRctJsT PdqqXGnc7a8aLjhVkH53/xdCbYLKWAsl5U6Chg4NCtM8NyHo9MsE06MtLKdgzXT9NqZF ny5g== X-Forwarded-Encrypted: i=1; AKwUvBzvtCDiROOZw1ZSMNV98VR4Q1wPAQlGZoEgr5hdjBnhKyVSiRMcrfhu/snA+nVhrqSvdO4N2BgV0x3WY2Y=@vger.kernel.org X-Gm-Message-State: AFuF++n1P0V/x5UwK1PMesOkTGkO2elmSCfZLqOOvDH5iZ+vUq0gUbcq R10d39jB5SOlI8ZclXYzjqy87shwI5LxX3eEfSToeM9eo49x6J8ZYXeUPi0J9tHrYd+jPhL6MV4 ITNIzvjaJCI1h/x0E9/Ju37lP1DgqoPyvvIRVdT2QQZ8MEzkQ/PDENG2paqw= 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:c3c3:20b0:6b0:4fbc:aecf with SMTP id 006d021491bc7-6c0ba920feamr5160275eaf.24.1789272661994; Sat, 12 Sep 2026 21:11:01 -0700 (PDT) Date: Sat, 12 Sep 2026 21:11:01 -0700 In-Reply-To: <20260913032055.14922-1-kartikey406@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6aa62255.f670cee1.72fc4.000d.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 '10.128.0.185' (ED25519) to the list of known ho= sts. 2026/09/13 04:09:14 parsed 1 programs 2026/09/13 04:09:14 serving rpc on tcp://42357 [ 91.749254][ T5628] cgroup: Unknown subsys name 'net' [ 91.869767][ T5628] cgroup: Unknown subsys name 'cpuset' [ 91.873399][ T5628] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size =3D 127995904 bytes [ 92.178249][ T191] cfg80211: failed to load regulatory.db [ 93.607422][ T5628] Adding 124996k swap on ./swap-file. Priority:0 exte= nts:1 across:124996k=20 [ 96.947156][ T5645] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 96.948216][ T5645] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 96.948595][ T5645] bridge_slave_0: entered allmulticast mode [ 96.950185][ T5645] bridge_slave_0: entered promiscuous mode [ 96.968422][ T5645] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 96.968718][ T5645] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 96.969269][ T5645] bridge_slave_1: entered allmulticast mode [ 96.975443][ T5645] bridge_slave_1: entered promiscuous mode [ 97.026823][ T5645] bond0: (slave bond_slave_0): Enslaving as an active = interface with an up link [ 97.029726][ T5645] bond0: (slave bond_slave_1): Enslaving as an active = interface with an up link [ 97.067622][ T5645] team0: Port device team_slave_0 added [ 97.069828][ T5645] team0: Port device team_slave_1 added [ 97.102251][ T5645] batman_adv: batadv0: Adding interface: batadv_slave_= 0 [ 97.102266][ T5645] 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. [ 97.102285][ T5645] batman_adv: batadv0: Not using interface batadv_slav= e_0 (retrying later): interface not active [ 97.104507][ T5645] batman_adv: batadv0: Adding interface: batadv_slave_= 1 [ 97.104523][ T5645] 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. [ 97.104555][ T5645] batman_adv: batadv0: Not using interface batadv_slav= e_1 (retrying later): interface not active [ 97.215470][ T5645] hsr_slave_0: entered promiscuous mode [ 97.216673][ T5645] hsr_slave_1: entered promiscuous mode [ 97.398344][ T5645] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 97.412041][ T5645] 8021q: adding VLAN 0 to HW filter on device netdevsi= m0 [ 97.414367][ T5645] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 97.432631][ T5645] 8021q: adding VLAN 0 to HW filter on device netdevsi= m1 [ 97.433618][ T5645] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 97.450817][ T5645] 8021q: adding VLAN 0 to HW filter on device netdevsi= m2 [ 97.451832][ T5645] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 97.463020][ T5645] 8021q: adding VLAN 0 to HW filter on device netdevsi= m3 [ 97.509246][ T5645] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 97.509351][ T5645] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 97.510344][ T5645] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 97.510441][ T5645] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 97.601541][ T5645] 8021q: adding VLAN 0 to HW filter on device bond0 [ 97.622801][ T13] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 97.624447][ T13] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 97.650519][ T5645] 8021q: adding VLAN 0 to HW filter on device team0 [ 97.665658][ T178] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 97.666209][ T178] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 97.672175][ T13] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 97.672269][ T13] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 97.779043][ T5645] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 97.837288][ T5645] veth0_vlan: entered promiscuous mode [ 97.852320][ T5645] veth1_vlan: entered promiscuous mode [ 97.887743][ T5645] veth0_macvtap: entered promiscuous mode [ 97.892494][ T5645] veth1_macvtap: entered promiscuous mode [ 97.924641][ T5645] batman_adv: batadv0: Interface activated: batadv_sla= ve_0 [ 97.947413][ T5645] batman_adv: batadv0: Interface activated: batadv_sla= ve_1 [ 97.966227][ T178] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 97.966277][ T178] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 97.966313][ T178] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 97.966349][ T178] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 98.071576][ 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. [ 98.090891][ T5645] ebtables: xtables 32bit compat interface no longer s= upported in namespaces and will be removed soon. [ 98.092461][ T5645] arp_tables: xtables 32bit compat interface no longer= supported in namespaces and will be removed soon. [ 98.093655][ T5645] ip_tables: xtables 32bit compat interface no longer = supported in namespaces and will be removed soon. [ 98.100047][ T5645] ip6_tables: xtables 32bit compat interface no longer= supported in namespaces and will be removed soon. [ 98.289039][ T13] netdevsim netdevsim0 netdevsim3 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 98.359069][ T13] netdevsim netdevsim0 netdevsim2 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 98.438317][ T13] netdevsim netdevsim0 netdevsim1 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 98.520399][ T13] netdevsim netdevsim0 netdevsim0 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 100.678728][ T13] bridge_slave_1: left allmulticast mode [ 100.678774][ T13] bridge_slave_1: left promiscuous mode [ 100.679609][ T13] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 100.709850][ T13] bridge_slave_0: left allmulticast mode [ 100.709884][ T13] bridge_slave_0: left promiscuous mode [ 100.711333][ T13] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 100.933400][ T13] bond0 (unregistering): (slave bond_slave_0): Releasi= ng backup interface [ 100.945521][ T13] bond0 (unregistering): (slave bond_slave_1): Releasi= ng backup interface [ 100.947693][ T13] bond0 (unregistering): Released all slaves [ 101.087990][ T13] hsr_slave_0: left promiscuous mode [ 101.088880][ T13] hsr_slave_1: left promiscuous mode [ 101.089964][ T13] batman_adv: batadv0: Interface deactivated: batadv_s= lave_0 [ 101.089999][ T13] batman_adv: batadv0: Removing interface: batadv_slav= e_0 [ 101.092194][ T13] batman_adv: batadv0: Interface deactivated: batadv_s= lave_1 [ 101.092217][ T13] batman_adv: batadv0: Removing interface: batadv_slav= e_1 [ 101.144588][ T13] veth1_macvtap: left promiscuous mode [ 101.144658][ T13] veth0_macvtap: left promiscuous mode [ 101.157659][ T13] veth1_vlan: left promiscuous mode [ 101.157855][ T13] veth0_vlan: left promiscuous mode [ 101.519019][ T13] team0 (unregistering): Port device team_slave_1 remo= ved [ 101.543965][ T13] team0 (unregistering): Port device team_slave_0 remo= ved [ 101.732210][ T5281] 8021q: adding VLAN 0 to HW filter on device eth1 [ 101.927935][ T5733] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > = 1 [ 101.929869][ T5733] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > = 9 [ 101.930662][ T5733] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > = 9 [ 101.933694][ T5733] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > = 4 [ 101.938741][ T5733] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > = 2 [ 103.054501][ T5281] 8021q: adding VLAN 0 to HW filter on device eth2 [ 103.182145][ T50] wlan0: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 103.182168][ T50] wlan0: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 [ 103.334883][ T50] wlan1: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 103.334908][ T50] wlan1: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 [ 104.157903][ T5281] 8021q: adding VLAN 0 to HW filter on device eth3 [ 104.824327][ T5281] 8021q: adding VLAN 0 to HW filter on device eth4 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). 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-build3774646112=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/ccFcuwRo.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=3D175d55f95800= 00