From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f69.google.com (mail-oo1-f69.google.com [209.85.161.69]) (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 52188369D7C for ; Mon, 14 Sep 2026 07:39:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789371546; cv=none; b=cDNNDtPgipW1QEkX9M1X015OvxHrhVzZwpMIosUmmoHUWoNBJste/e8pINJUSiK66xZklbq5ezQ1EtvZXnm2kPgw/MgFr6xb/5U9cWoab4O8tQkfaQWE20UfYgEcODnoURj4ASnresDM3WCz0pu7ZKvTrIfmuwHcz83a7Wnx3vg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789371546; c=relaxed/simple; bh=KR0/tcWoL/mZd12+SDEqDTB2tE8iLq+uKarTKSOpO58=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=FjaCp69AK4aFLb7BxDojxHrM+Tgw5Dqp74cCxjK4jrwfJoiSaiBFydPxcPanrU9cCYCTfjRz7ztVsh6OlIpWcKnJKuwnSTO44go++vgGAKv65zd/qNiFi/Flmm7QbKb1QRsut4L11Z+ZYQ8qI6as5Wwi3lzSoFDHT1NZcmFUUrM= 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=209.85.161.69 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-f69.google.com with SMTP id 006d021491bc7-6c1538bc4c0so1344958eaf.0 for ; Mon, 14 Sep 2026 00:39:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1789371543; x=1789976343; 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=vv2lvyyvEterozcPCc7dGxfOavpQPip/6EJz2S9gJRM=; b=WhCIqIfdJp0BnsdjKDs3VTlfBIS7k8ofTOMxQvXizJ9xxtg7sPA+YJlgj0YrN0LUdj Dv+aQlmdVjr+OTrUG953xYflIxbAbhE0OM4NbmxC27Ci2xPq6Ggq170vejh+eaTD/e/X SncBaX5f+le8tqi07LAqYf+QxKqalxvxq8B5KBf3/r3rfYq+tlSHSQBVP09thwNxoyNK yN81p2Nut5WARF8PJg1kbI9Rpyf9GOPZH1JYs1PADw9RaF5EBPfgbOo10XMZ1xj/AFyX e12NM3sXwLgp6HP+qXnpV/WwzqsXEDf4Rn9wPl9L+RmovkXG1rs0nfR6RuZvTC7tCEmw 6GVg== X-Forwarded-Encrypted: i=1; AKwUvBy9JMEJuC+38wu1UbuvEtootw/Vn9I7dRwh5u+GKuyyRjZ6In7x3U4q3Wv6aGwQ9sZoYX8GxAFKfTXbPEQ=@vger.kernel.org X-Gm-Message-State: AFuF++nGFN+R2cPGlLCTGvoQIEYrvx4tMMnvnrEJ0XmeulSkhADo6bcq Y4x8/LFKlTNDFdYYBhqBnkXimWONE9aH0n7YFWElhV8WBvUyYVpMSFI4+k63sf9qRA85vRbd1a3 AS08plkRj6N8/TEfWtkmUD7p9xlTE1gRtwR+2wJpc7+QLq+8o4Gjpka/GQxg= 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:f022:b0:6ae:a950:9faa with SMTP id 006d021491bc7-6c53ea5bfd8mr552924eaf.10.1789371542938; Mon, 14 Sep 2026 00:39:02 -0700 (PDT) Date: Mon, 14 Sep 2026 00:39:02 -0700 In-Reply-To: <6aa79dcd.717c4d5f.2255e.48efSMTPIN_ADDED_BROKEN@gmr-mx.google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6aa7a496.4c28b7d0.c1bba.0015.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: lost connection to test machine [ 104.852219][ T1219] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.93' (ED25519) to the list of known hos= ts. 2026/09/14 07:37:15 parsed 1 programs 2026/09/14 07:37:15 serving rpc on tcp://34817 [ 113.874515][ T5628] cgroup: Unknown subsys name 'net' [ 113.950099][ T5628] cgroup: Unknown subsys name 'cpuset' [ 113.953008][ T5628] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size =3D 127995904 bytes [ 115.529192][ T5628] Adding 124996k swap on ./swap-file. Priority:0 exte= nts:1 across:124996k=20 [ 119.248082][ T5641] 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. [ 119.264382][ T5641] ebtables: xtables 32bit compat interface no longer s= upported in namespaces and will be removed soon. [ 119.266018][ T5641] arp_tables: xtables 32bit compat interface no longer= supported in namespaces and will be removed soon. [ 119.270470][ T5641] ip_tables: xtables 32bit compat interface no longer = supported in namespaces and will be removed soon. [ 119.271534][ T5641] ip6_tables: xtables 32bit compat interface no longer= supported in namespaces and will be removed soon. [ 121.334097][ T5666] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 121.338021][ T5666] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 121.338232][ T5666] bridge_slave_0: entered allmulticast mode [ 121.341025][ T5666] bridge_slave_0: entered promiscuous mode [ 121.353220][ T5666] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 121.353501][ T5666] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 121.353686][ T5666] bridge_slave_1: entered allmulticast mode [ 121.355722][ T5666] bridge_slave_1: entered promiscuous mode [ 121.434681][ T5666] bond0: (slave bond_slave_0): Enslaving as an active = interface with an up link [ 121.458570][ T5666] bond0: (slave bond_slave_1): Enslaving as an active = interface with an up link [ 121.515626][ T5666] team0: Port device team_slave_0 added [ 121.531678][ T5666] team0: Port device team_slave_1 added [ 121.573221][ T5666] batman_adv: batadv0: Adding interface: batadv_slave_= 0 [ 121.573235][ T5666] 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. [ 121.573249][ T5666] batman_adv: batadv0: Not using interface batadv_slav= e_0 (retrying later): interface not active [ 121.581147][ T5666] batman_adv: batadv0: Adding interface: batadv_slave_= 1 [ 121.581169][ T5666] 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. [ 121.581195][ T5666] batman_adv: batadv0: Not using interface batadv_slav= e_1 (retrying later): interface not active [ 121.732585][ T5666] hsr_slave_0: entered promiscuous mode [ 121.733348][ T5666] hsr_slave_1: entered promiscuous mode [ 121.937442][ T5666] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 121.945618][ T5666] 8021q: adding VLAN 0 to HW filter on device netdevsi= m0 [ 121.948185][ T5666] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 121.963090][ T5666] 8021q: adding VLAN 0 to HW filter on device netdevsi= m1 [ 121.990464][ T5666] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 121.992839][ T5666] 8021q: adding VLAN 0 to HW filter on device netdevsi= m2 [ 121.995183][ T5666] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 122.012233][ T5666] 8021q: adding VLAN 0 to HW filter on device netdevsi= m3 [ 122.065151][ T5666] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 122.065402][ T5666] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 122.066001][ T5666] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 122.066607][ T5666] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 122.130740][ T37] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 122.131846][ T37] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 122.169256][ T5666] 8021q: adding VLAN 0 to HW filter on device bond0 [ 122.190400][ T5666] 8021q: adding VLAN 0 to HW filter on device team0 [ 122.214365][ T37] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 122.214447][ T37] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 122.233900][ T37] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 122.234002][ T37] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 122.329395][ T5666] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 122.380927][ T5666] veth0_vlan: entered promiscuous mode [ 122.404874][ T5666] veth1_vlan: entered promiscuous mode [ 122.444443][ T5666] veth0_macvtap: entered promiscuous mode [ 122.451686][ T5666] veth1_macvtap: entered promiscuous mode [ 122.475228][ T5666] batman_adv: batadv0: Interface activated: batadv_sla= ve_0 [ 122.496834][ T5666] batman_adv: batadv0: Interface activated: batadv_sla= ve_1 [ 122.540927][ T61] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 122.563724][ T59] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 122.565323][ T37] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 122.567465][ T37] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 122.773657][ T37] netdevsim netdevsim1 netdevsim3 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 122.863583][ T37] netdevsim netdevsim1 netdevsim2 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 122.928890][ T37] netdevsim netdevsim1 netdevsim1 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 124.498043][ T37] netdevsim netdevsim1 netdevsim0 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 124.548496][ T59] wlan0: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 124.548523][ T59] wlan0: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 [ 124.632676][ T59] wlan1: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 124.632699][ T59] wlan1: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 [ 124.765000][ T4931] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > = 1 [ 124.780274][ T4931] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > = 9 [ 124.782685][ T4931] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > = 9 [ 124.783771][ T4931] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > = 4 [ 124.784622][ T4931] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > = 2 execution of simple program fails: NOTFAIL: arptable checkpoint: getsockopt= (ARPT_SO_GET_ENTRIES) failed. table=3Dfilter (errno 22: Invalid argument). [ 126.157372][ T37] bridge_slave_1: left allmulticast mode [ 126.157419][ T37] bridge_slave_1: left promiscuous mode [ 126.160359][ T37] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 126.185651][ T37] bridge_slave_0: left allmulticast mode [ 126.185682][ T37] bridge_slave_0: left promiscuous mode [ 126.186197][ T37] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 126.473726][ T37] bond0 (unregistering): (slave bond_slave_0): Releasi= ng backup interface [ 126.490305][ T37] bond0 (unregistering): (slave bond_slave_1): Releasi= ng backup interface [ 126.492294][ T37] bond0 (unregistering): Released all slaves [ 126.674816][ T37] hsr_slave_0: left promiscuous mode [ 126.688746][ T37] hsr_slave_1: left promiscuous mode [ 126.690592][ T37] batman_adv: batadv0: Interface deactivated: batadv_s= lave_0 [ 126.690805][ T37] batman_adv: batadv0: Removing interface: batadv_slav= e_0 [ 126.694661][ T37] batman_adv: batadv0: Interface deactivated: batadv_s= lave_1 [ 126.694691][ T37] batman_adv: batadv0: Removing interface: batadv_slav= e_1 [ 126.771268][ T37] veth1_macvtap: left promiscuous mode [ 126.771330][ T37] veth0_macvtap: left promiscuous mode [ 126.771660][ T37] veth1_vlan: left promiscuous mode [ 126.771755][ T37] veth0_vlan: left promiscuous mode [ 127.121665][ T37] team0 (unregistering): Port device team_slave_1 remo= ved [ 127.162343][ T37] team0 (unregistering): Port device team_slave_0 remo= ved [ 127.304149][ T5277] 8021q: adding VLAN 0 to HW filter on device eth1 [ 127.777376][ T5277] 8021q: adding VLAN 0 to HW filter on device eth2 [ 128.517336][ T5277] 8021q: adding VLAN 0 to HW filter on device eth3 [ 129.332540][ T5277] 8021q: adding VLAN 0 to HW filter on device eth4 [ 140.702987][ T1310] ieee802154 phy0 wpan0: encryption failed: -22 [ 140.703065][ T1310] 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-build4012198568=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/cc6qZiym.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: 704340f1 Merge tag 'x86_urgent_for_7.3-rc4' of git://g.. 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=3D15ec9c8e5800= 00