From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f197.google.com (mail-oi1-f197.google.com [209.85.167.197]) (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 1A1623D0910 for ; Wed, 23 Sep 2026 22:24:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790202245; cv=none; b=EtsLVA6ar/r2fJ7m9a3FabW4hfHvX8JP0FMe+g9794sQXsA42oFgVpJNuxIvxDtlEPzMqybDFiO6l/6lVMOAwsDl5SpFlAv9vvWkzQpH55DBbTQBtxBhn5EekAxuH75eoDMCmyJqybyScZAy8ks0j9scPlhcOaxzTKl0Il/Utks= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790202245; c=relaxed/simple; bh=Q5tsa5JKNeuIyh5GXqSq1gbIeZrDAEKOQP249nVrAwM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=NUWy7gwiZ6+iTBs7kcV2UTHk2Y6nNmPTrrngAoMXc+PSwimtiRdWnvQ28Kigdyh9kpSRQJKGPK6cN9js4g/J9VHjmfoRBi66bg7WEhLPedSoxYLkL6lEj9JovKSNQz0a8sr41FEKaK/IZjHxA9SDCJN4FeiFnXCS5Y+pUNNZ5Hc= 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=209.85.167.197 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-oi1-f197.google.com with SMTP id 5614622812f47-4c7f887ac6bso2147710b6e.3 for ; Wed, 23 Sep 2026 15:24:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790202242; x=1790807042; 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=KBzEWA0GvFaGfJ0UdhAWTww1NInIqhmsUs/dJTRmG5k=; b=Zs3npjsiPNGbDl/QxgSUe+IWGX7hRXtbm4dz3ocopNI2AerI7NGIIYY1OT+arPp5mN btBhYpdn/h+D/FnuFGMqLw98nyhTMJF2QWm4vOxzX+fyPpqzi5Z7rXCjl5k47yFfK4me xxT+MgDSCJKXzrFJDSBc3vyKdk0dUGZ6W55xDg/Xg8t/D73lOAmmxBYc0WD7LDSgXsuM IkfVrqb+5iqfZbs+bU5V4QdkH+A8xrcw+3WjNqp6hHosV3e+gmnvlZ093eXFJ1AVCcNL 042iIwurdSgbtSnXpi1TlhuOpYQ5thOx71b+AK+wzh6CgEZVTUEDBn4GvsGVrVll4Lue D84w== X-Gm-Message-State: AFuF++lFhppvdnLjDzagiPQ0B6AW9THLfAsXRnYLBPiDFjXkas8FMOsM mba6EHNwa0NyI1Sxdm9eSaNw222wGQY6M7Ka/jo62EQsCVWMUkBzN0arhT7OjpaamGCMz6N2+T/ LiRWN6lsUGUCizkonfijENdKnlFYn3ZrbuudjdBbM11O6fekDRQn/CcBwhsk= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:238d:b0:4b2:8d7b:41b8 with SMTP id 5614622812f47-4d72e7679d8mr643956b6e.18.1790202242051; Wed, 23 Sep 2026 15:24:02 -0700 (PDT) Date: Wed, 23 Sep 2026 15:24:02 -0700 In-Reply-To: <20260923213522.136838-1-raghunathpalla.0209@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6ab45182.fb6b21f1.1b3075.0003.GAE@google.com> Subject: Re: [syzbot] [block?] WARNING in blk_mq_free_tag_set From: syzbot To: linux-kernel@vger.kernel.org, raghunathpalla.0209@gmail.com, 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 Warning: Permanently added '10.128.1.133' (ED25519) to the list of known ho= sts. 2026/09/23 22:22:32 parsed 1 programs 2026/09/23 22:22:32 serving rpc on tcp://38311 [ 80.752692][ T5630] cgroup: Unknown subsys name 'net' [ 80.884056][ T5630] cgroup: Unknown subsys name 'cpuset' [ 80.887002][ T5630] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size =3D 127995904 bytes [ 82.538994][ T5630] Adding 124996k swap on ./swap-file. Priority:0 exte= nts:1 across:124996k=20 [ 85.496053][ T1286] wlan0: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 85.496079][ T1286] wlan0: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 [ 85.531000][ T1177] wlan1: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 85.531023][ T1177] wlan1: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 [ 85.583390][ T5644] 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. [ 85.587092][ T5644] ebtables: xtables 32bit compat interface no longer s= upported in namespaces and will be removed soon. [ 85.589928][ T5644] arp_tables: xtables 32bit compat interface no longer= supported in namespaces and will be removed soon. [ 87.002024][ T5660] ip_tables: xtables 32bit compat interface no longer = supported in namespaces and will be removed soon. [ 87.002551][ T5660] ip6_tables: xtables 32bit compat interface no longer= supported in namespaces and will be removed soon. [ 87.076393][ T10] cfg80211: failed to load regulatory.db [ 87.473879][ T5672] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > = 1 [ 87.475240][ T5672] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > = 9 [ 87.477852][ T5672] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > = 9 [ 87.490326][ T5672] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > = 4 [ 87.491035][ T5672] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > = 2 [ 88.269004][ T5679] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 88.269871][ T5679] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 88.269983][ T5679] bridge_slave_0: entered allmulticast mode [ 88.271043][ T5679] bridge_slave_0: entered promiscuous mode [ 88.276598][ T5679] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 88.276702][ T5679] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 88.276877][ T5679] bridge_slave_1: entered allmulticast mode [ 88.278620][ T5679] bridge_slave_1: entered promiscuous mode [ 88.317810][ T5679] bond0: (slave bond_slave_0): Enslaving as an active = interface with an up link [ 88.321176][ T5679] bond0: (slave bond_slave_1): Enslaving as an active = interface with an up link [ 88.354044][ T5679] team0: Port device team_slave_0 added [ 88.355878][ T5679] team0: Port device team_slave_1 added [ 88.378475][ T5679] batman_adv: batadv0: Adding interface: batadv_slave_= 0 [ 88.378487][ T5679] 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. [ 88.378505][ T5679] batman_adv: batadv0: Not using interface batadv_slav= e_0 (retrying later): interface not active [ 88.382019][ T5679] batman_adv: batadv0: Adding interface: batadv_slave_= 1 [ 88.382035][ T5679] 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. [ 88.382060][ T5679] batman_adv: batadv0: Not using interface batadv_slav= e_1 (retrying later): interface not active [ 88.470363][ T5679] hsr_slave_0: entered promiscuous mode [ 88.471884][ T5679] hsr_slave_1: entered promiscuous mode [ 88.615879][ T5679] netdevsim netdevsim8 netdevsim0: renamed from eth0 [ 88.624106][ T5679] 8021q: adding VLAN 0 to HW filter on device netdevsi= m0 [ 88.626007][ T5679] netdevsim netdevsim8 netdevsim1: renamed from eth1 [ 88.632773][ T5679] 8021q: adding VLAN 0 to HW filter on device netdevsi= m1 [ 88.634150][ T5679] netdevsim netdevsim8 netdevsim2: renamed from eth2 [ 88.647163][ T5679] 8021q: adding VLAN 0 to HW filter on device netdevsi= m2 [ 88.648072][ T5679] netdevsim netdevsim8 netdevsim3: renamed from eth3 [ 88.661771][ T5679] 8021q: adding VLAN 0 to HW filter on device netdevsi= m3 [ 88.744000][ T5679] 8021q: adding VLAN 0 to HW filter on device bond0 [ 88.767054][ T5679] 8021q: adding VLAN 0 to HW filter on device team0 [ 88.776887][ T1286] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 88.777039][ T1286] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 88.788827][ T1177] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 88.789042][ T1177] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 89.099652][ T5679] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 89.290291][ T5679] veth0_vlan: entered promiscuous mode [ 89.296863][ T5679] veth1_vlan: entered promiscuous mode [ 89.330971][ T5679] veth0_macvtap: entered promiscuous mode [ 89.334462][ T5679] veth1_macvtap: entered promiscuous mode [ 89.352460][ T5679] batman_adv: batadv0: Interface activated: batadv_sla= ve_0 [ 89.367216][ T5679] batman_adv: batadv0: Interface activated: batadv_sla= ve_1 [ 89.422390][ T1177] netdevsim netdevsim8 netdevsim0: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 89.422436][ T1177] netdevsim netdevsim8 netdevsim1: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 89.422468][ T1177] netdevsim netdevsim8 netdevsim2: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 89.422499][ T1177] netdevsim netdevsim8 netdevsim3: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 89.509842][ T1098] netdevsim netdevsim8 netdevsim3 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 89.585930][ T1098] netdevsim netdevsim8 netdevsim2 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 89.648640][ T1098] netdevsim netdevsim8 netdevsim1 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 89.703114][ T1098] netdevsim netdevsim8 netdevsim0 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 execution of simple program fails: NOTFAIL: arptable checkpoint: getsockopt= (ARPT_SO_GET_ENTRIES) failed. table=3Dfilter (errno 22: Invalid argument). [ 90.718117][ T1098] bridge_slave_1: left allmulticast mode [ 90.718178][ T1098] bridge_slave_1: left promiscuous mode [ 90.718874][ T1098] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 90.746800][ T1098] bridge_slave_0: left allmulticast mode [ 90.746834][ T1098] bridge_slave_0: left promiscuous mode [ 90.747521][ T1098] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 90.979230][ T1098] bond0 (unregistering): (slave bond_slave_0): Releasi= ng backup interface [ 90.995086][ T1098] bond0 (unregistering): (slave bond_slave_1): Releasi= ng backup interface [ 90.996813][ T1098] bond0 (unregistering): Released all slaves [ 91.148321][ T1098] hsr_slave_0: left promiscuous mode [ 91.155032][ T1098] hsr_slave_1: left promiscuous mode [ 91.156175][ T1098] batman_adv: batadv0: Interface deactivated: batadv_s= lave_0 [ 91.156208][ T1098] batman_adv: batadv0: Removing interface: batadv_slav= e_0 [ 91.178520][ T1098] batman_adv: batadv0: Interface deactivated: batadv_s= lave_1 [ 91.178552][ T1098] batman_adv: batadv0: Removing interface: batadv_slav= e_1 [ 91.206888][ T1098] veth1_macvtap: left promiscuous mode [ 91.206945][ T1098] veth0_macvtap: left promiscuous mode [ 91.207052][ T1098] veth1_vlan: left promiscuous mode [ 91.207135][ T1098] veth0_vlan: left promiscuous mode [ 91.763448][ T1098] team0 (unregistering): Port device team_slave_1 remo= ved [ 91.783056][ T1098] team0 (unregistering): Port device team_slave_0 remo= ved [ 91.887617][ T5280] 8021q: adding VLAN 0 to HW filter on device eth1 [ 92.266831][ T5280] 8021q: adding VLAN 0 to HW filter on device eth2 [ 92.765505][ T5280] 8021q: adding VLAN 0 to HW filter on device eth3 [ 93.215118][ T5280] 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-build2242253634=3D/tmp/go-build -gno-record-gc= c-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 abce1216496 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=3Dabce12164965bc4439aad38d787d980496e3f106 -X github.com/goo= gle/syzkaller/prog.gitRevisionDate=3D20260922-204430" ./sys/syz-sysgen | g= rep -q false || go install -ldflags=3D"-s -w -X github.com/google/syzkaller= /prog.GitRevision=3Dabce12164965bc4439aad38d787d980496e3f106 -X github.com/= google/syzkaller/prog.gitRevisionDate=3D20260922-204430" ./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=3Dabce12164965bc4439aad38d787d980496e3f106 -X g= ithub.com/google/syzkaller/prog.gitRevisionDate=3D20260922-204430" -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\"abce12164965bc4439aad38d787d980496= e3f106\" /usr/bin/ld: /tmp/cc8l0oCx.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: f0100363 Merge tag 'xfs-fixes-7.3-rc5' of gitolite.ker.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linu= x.git kernel config: https://syzkaller.appspot.com/x/.config?x=3D9d4242cb1c54cdf= 7 dashboard link: https://syzkaller.appspot.com/bug?extid=3D02b37e31e64ea5cb6= d29 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=3D107bb4055800= 00