From: syzbot <syzbot+a079f084653164a652d1@syzkaller.appspotmail.com>
To: kartikey406@gmail.com, linux-kernel@vger.kernel.org,
syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [batman?] WARNING in batadv_iv_ogm_process_per_outif
Date: Sat, 12 Sep 2026 21:24:03 -0700 [thread overview]
Message-ID: <6aa62563.f2639fcc.29487d.004d.GAE@google.com> (raw)
In-Reply-To: <20260913032113.14940-1-kartikey406@gmail.com>
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
SYZFAIL: failed to recv rpc
SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor)
execution of simple program fails: NOTFAIL: arptable checkpoint: getsockopt(ARPT_SO_GET_ENTRIES) failed. table=filter (errno 22: Invalid argument).
Warning: Permanently added '10.128.1.134' (ED25519) to the list of known hosts.
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 = 127995904 bytes
[ 118.238222][ T5638] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 122.080438][ T5656] soft_limit_in_bytes is deprecated and will be removed. 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 supported 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 state
[ 124.798648][ T5687] bridge0: port 1(bridge_slave_0) entered disabled state
[ 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 state
[ 124.813604][ T5687] bridge0: port 2(bridge_slave_1) entered disabled state
[ 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_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 124.980906][ T5687] batman_adv: batadv0: Not using interface batadv_slave_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_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 124.983188][ T5687] batman_adv: batadv0: Not using interface batadv_slave_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 netdevsim0
[ 125.338239][ T5687] netdevsim netdevsim2 netdevsim1: renamed from eth1
[ 125.361418][ T5687] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 125.362677][ T5687] netdevsim netdevsim2 netdevsim2: renamed from eth2
[ 125.384673][ T5687] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 125.396089][ T5687] netdevsim netdevsim2 netdevsim3: renamed from eth3
[ 125.400660][ T5687] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 125.458346][ T5687] bridge0: port 2(bridge_slave_1) entered blocking state
[ 125.458443][ T5687] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 125.458916][ T5687] bridge0: port 1(bridge_slave_0) entered blocking state
[ 125.459003][ T5687] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 125.511088][ T12] bridge0: port 1(bridge_slave_0) entered disabled state
[ 125.512830][ T12] bridge0: port 2(bridge_slave_1) entered disabled state
[ 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 state
[ 125.632355][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 125.657712][ T3381] bridge0: port 2(bridge_slave_1) entered blocking state
[ 125.657829][ T3381] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 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_slave_0
[ 125.942931][ T5687] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 125.996954][ T3381] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 126.035840][ T12] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 126.035892][ T12] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 126.035929][ T12] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 126.178076][ T28] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 126.273669][ T28] netdevsim netdevsim2 netdevsim2 (unregistering): unset [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): unset [1, 0] type 2 family 0 port 6081 - 0
SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor)
execution of simple program fails: NOTFAIL: arptable checkpoint: getsockopt(ARPT_SO_GET_ENTRIES) failed. table=filter (errno 22: Invalid argument).
[ 129.060155][ T28] netdevsim netdevsim2 netdevsim0 (unregistering): unset [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 state
[ 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 state
[ 129.401009][ T28] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 129.415575][ T28] bond0 (unregistering): (slave bond_slave_1): Releasing 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_slave_0
[ 129.560072][ T28] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 129.561438][ T28] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 129.561459][ T28] batman_adv: batadv0: Removing interface: batadv_slave_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 removed
[ 130.119539][ T28] team0 (unregistering): Port device team_slave_0 removed
[ 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=<nil>)
AR='ar'
CC='gcc'
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_ENABLED='1'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
CXX='g++'
GCCGO='gccgo'
GO111MODULE='auto'
GOAMD64='v1'
GOARCH='amd64'
GOAUTH='netrc'
GOBIN=''
GOCACHE='/syzkaller/.cache/go-build'
GOCACHEPROG=''
GODEBUG=''
GOENV='/syzkaller/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFIPS140='off'
GOFLAGS=''
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build98667249=/tmp/go-build -gno-record-gcc-switches'
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod'
GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs-2/linux/gopath'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/usr/local/go'
GOSUMDB='sum.golang.org'
GOTELEMETRY='local'
GOTELEMETRYDIR='/syzkaller/.config/go/telemetry'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.26.0'
GOWORK=''
PKG_CONFIG='pkg-config'
git status (err=<nil>)
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/contributing.md#using-syz-env
go list -f '{{.Stale}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=b6a5eeb7114b1887514b0d74ca39167dfbfa4603 -X github.com/google/syzkaller/prog.gitRevisionDate=20260911-102446" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=b6a5eeb7114b1887514b0d74ca39167dfbfa4603 -X github.com/google/syzkaller/prog.gitRevisionDate=20260911-102446" ./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/contributing.md#using-syz-env
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=b6a5eeb7114b1887514b0d74ca39167dfbfa4603 -X github.com/google/syzkaller/prog.gitRevisionDate=20260911-102446" -o ./bin/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 -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -std=c++17 -I. -Iexecutor/_include -DGOOS_linux=1 -DGOARCH_386=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"b6a5eeb7114b1887514b0d74ca39167dfbfa4603\"
/usr/bin/ld: /tmp/ccgeWNYg.o: in function `Connection::Connect(char const*, char const*)':
executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x145): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for 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=5e4e3a0e188a497e
dashboard link: https://syzkaller.appspot.com/bug?extid=a079f084653164a652d1
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=14dd55f9580000
next parent reply other threads:[~2026-09-13 4:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20260913032113.14940-1-kartikey406@gmail.com>
2026-09-13 4:24 ` syzbot [this message]
[not found] <20260913032055.14922-1-kartikey406@gmail.com>
2026-09-13 4:11 ` syzbot
2026-09-13 2:47 syzbot
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=6aa62563.f2639fcc.29487d.004d.GAE@google.com \
--to=syzbot+a079f084653164a652d1@syzkaller.appspotmail.com \
--cc=kartikey406@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=syzkaller-bugs@googlegroups.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®