From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.210.69 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794337624; b=ZMBRBBpNOaJWN9t1nFZ5jmKuWlBjwdnjVm/YGl5bmpk5aj9ZF7wagbjtoeYlKiP4E2bg JU5TQElAx3BphmCIjreBHS9GUkQ8fFdsmLTq1KFU6kcVku7Vd0/HVUHD3P6n6Prwmq7Iq +geKKHokE/Xad7yuFM0+R62RLLPqwHtMbeMGQuoESFnv4H8qJ8Kz+UGUQm6GULJHpVd7c +y1hjjY//CmtnUR3pVUb6rOeL3xOMFb3anUl7o0Fd8q8+AykgNYidVrV1l8za1L/+vxQP acljgEXlFq4CcWl/gsR0GlAh9qL0m0EP3E1gbX05rUrubNEES1J83jo6Hk3Av+Uwjww== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794337624; h=DMARC-Filter:Received:X-Google-DKIM-Signature:X-Gm-Message-State: MIME-Version:X-Received:Date:In-Reply-To:X-Google-Appengine-App-Id: X-Google-Appengine-App-Id-Alias:Message-ID:Subject:From:To: Content-Type:Content-Transfer-Encoding; bh=Vlby6041ECtgOwb7v+uxt/j1gpy27aER6pnxN/tGMZY=; b=buhvE2pcoRYWAQxxEdasejNwVGDfF+vwdchqMFBdMIiwiB9z40V8eI0LgdnGqNIhj32H EWAbRvHSkUUi4t5HnokfmoYeCperKbQM0fQRSQd+4MEbkUzwaMvgPsjeI6vL160zvvXBa Xeo7HcPym436jvuOMDGxgdQdex/POIzPO43JoIas3gkN7dRZI/vLE1rbIrVx4kyc5gv9U MgnF0QHOJPBHACDaA/AuWJ/fxoSqDy7dpqALUu9zd2nJaXrjfspIp46K27SJc3lpsktO2 raqGMvnbAQo6wdfudmD+rXJTt+KBQa1Fw7kGG4UMiz7BdUxktnA3rXQDoUC77LOXBFA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=fail header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.remote-ip=209.85.210.69 Received: from mail-ot1-f69.google.com (mail-ot1-f69.google.com [209.85.210.69]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0EF59606A321 for ; Tue, 10 Nov 2026 19:07:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 0EF59606A321 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-ot1-f69.google.com with SMTP id 46e09a7af769-83edc5c5ae9so1411595a34.1 for ; Tue, 10 Nov 2026 11:07:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1794337623; x=1794942423; 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=Vlby6041ECtgOwb7v+uxt/j1gpy27aER6pnxN/tGMZY=; b=02CcMDphAoUwx2sbPipZUV+o7pOlDngqw9rpzLAP3Nee1FRL/DpzvHkYhHG1biGjlg UQ1bVW8sMff9mdehprRpAG6LcPmrCmN/kuTngqWPS4eXP2AB+Kc4YrxLRjBaT4ZzzlFB YkI+JXUf+mYRvBS3cZbMA+KCrcwPxhm0+kLvQ4be61+zEwzzH+gIaJ9fRM3oglLyEjUM pvy6I3Viwrq1eh6DbJEH+IBSvM/ptWuHf/MhnUbxRqeEufRZjMCXp7j2PnlqaqSdaVTp snEEE17ssf7NnTHB74V+jUGFf4HC7nLkLO9qYTvWY+0g7lPUB8+4XGySYj79dDogZFyC qjnA== X-Gm-Message-State: APuU4Z86h10157WrtnIZXhLJqdPxVGOv4Wm3GMmfmuWbP1g/w1MmoSsh 7o1qFuhazfX3FjMulMKb8FHMPj+lEOQw8YHJVRNYQYZYi+vq5uqxJRX0AXLbSk3lpRq2KIqtF27 zh83/g54UeWfNvMqGJ+5n3TorH1Mm5P3R/2tHzbXyii0LVMPO9rBvLxkwf4c= X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 X-Received: by 2002:a05:6808:4f1f:b0:55c:8a7:7eb4 with SMTP id 5614622812f47-5683c7b63b8mr2692988b6e.2.1794337623067; Tue, 10 Nov 2026 11:07:03 -0800 (PST) Date: Tue, 10 Nov 2026 11:07:03 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6af36b57.17ff5aea.1b027f.019b.GAE@google.com> Subject: Re: [syzbot] [block?] general protection fault in blk_mq_quiesce_queue From: syzbot To: linux-kernel@vger.kernel.org, nenkov2004@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: 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 '[localhost]:6819' (ED25519) to the list of know= n hosts. 2026/11/10 19:04:41 parsed 1 programs 2026/11/10 19:04:41 serving rpc on tcp://42245 [ 55.963375][ T5742] cgroup: Unknown subsys name 'net' [ 56.074706][ T5742] cgroup: Unknown subsys name 'cpuset' [ 56.080672][ T5742] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size =3D 127995904 bytes [ 57.409559][ T5742] Adding 124996k swap on ./swap-file. Priority:0 exte= nts:1 across:124996k=20 [ 59.695528][ T5753] br_netfilter no longer supported in user namespaces [ 59.875947][ T5753] 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. [ 59.936142][ T5753] ebtables: xtables 32bit compat interface no longer s= upported in namespaces and will be removed soon. [ 59.936380][ T5753] arp_tables: xtables 32bit compat interface no longer= supported in namespaces and will be removed soon. [ 59.936642][ T5753] ip_tables: xtables 32bit compat interface no longer = supported in namespaces and will be removed soon. [ 59.936863][ T5753] ip6_tables: xtables 32bit compat interface no longer= supported in namespaces and will be removed soon. [ 60.511799][ T5755] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 60.512258][ T5755] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 60.512367][ T5755] bridge_slave_0: entered allmulticast mode [ 60.513749][ T5755] bridge_slave_0: entered promiscuous mode [ 60.517106][ T5755] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 60.517184][ T5755] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 60.517279][ T5755] bridge_slave_1: entered allmulticast mode [ 60.518687][ T5755] bridge_slave_1: entered promiscuous mode [ 60.627709][ T5755] bond0: (slave bond_slave_0): Enslaving as an active = interface with an up link [ 60.634100][ T5755] bond0: (slave bond_slave_1): Enslaving as an active = interface with an up link [ 60.653715][ T5755] team0: Port device team_slave_0 added [ 60.655721][ T5755] team0: Port device team_slave_1 added [ 60.667483][ T5755] batman_adv: batadv0: Adding interface: batadv_slave_= 0 [ 60.667493][ T5755] 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. [ 60.667507][ T5755] batman_adv: batadv0: Not using interface batadv_slav= e_0 (retrying later): interface not active [ 60.669146][ T5755] batman_adv: batadv0: Adding interface: batadv_slave_= 1 [ 60.669154][ T5755] 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. [ 60.669168][ T5755] batman_adv: batadv0: Not using interface batadv_slav= e_1 (retrying later): interface not active [ 60.705286][ T5755] hsr_slave_0: entered promiscuous mode [ 60.706202][ T5755] hsr_slave_1: entered promiscuous mode [ 60.942218][ T38] wlan0: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 60.942232][ T38] wlan0: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 [ 61.091172][ T57] wlan1: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 61.091187][ T57] wlan1: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 [ 61.183299][ T5755] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.188345][ T5755] 8021q: adding VLAN 0 to HW filter on device netdevsi= m0 [ 61.189037][ T5755] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.195751][ T5755] 8021q: adding VLAN 0 to HW filter on device netdevsi= m1 [ 61.213344][ T5755] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.219620][ T5755] 8021q: adding VLAN 0 to HW filter on device netdevsi= m2 [ 61.221457][ T5755] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.227586][ T5755] 8021q: adding VLAN 0 to HW filter on device netdevsi= m3 [ 61.301564][ T65] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > = 1 [ 61.303404][ T65] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > = 9 [ 61.304783][ T65] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > = 9 [ 61.309632][ T65] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > = 4 [ 61.316544][ T65] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > = 2 [ 61.412526][ T5755] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.422578][ T5755] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.430476][ T57] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 61.430588][ T57] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 61.437671][ T57] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 61.437766][ T57] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 62.030796][ T5755] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.065809][ T5755] veth0_vlan: entered promiscuous mode [ 62.104328][ T5755] veth1_vlan: entered promiscuous mode [ 62.119783][ T5755] veth0_macvtap: entered promiscuous mode [ 62.123188][ T5755] veth1_macvtap: entered promiscuous mode [ 62.131833][ T5755] batman_adv: batadv0: Interface activated: batadv_sla= ve_0 [ 62.135888][ T5755] batman_adv: batadv0: Interface activated: batadv_sla= ve_1 [ 62.164634][ T5771] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 62.164916][ T5771] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 62.164938][ T5771] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 62.164958][ T5771] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 62.261207][ T14] netdevsim netdevsim3 netdevsim3 (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). [ 63.811497][ T14] netdevsim netdevsim3 netdevsim2 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 65.287829][ T14] netdevsim netdevsim3 netdevsim1 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 65.371984][ T14] netdevsim netdevsim3 netdevsim0 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 65.503178][ T14] bridge_slave_1: left allmulticast mode [ 65.503231][ T14] bridge_slave_1: left promiscuous mode [ 65.503831][ T14] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 65.507795][ T14] bridge_slave_0: left allmulticast mode [ 65.507817][ T14] bridge_slave_0: left promiscuous mode [ 65.507980][ T14] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 65.634809][ T14] bond0 (unregistering): (slave bond_slave_0): Releasi= ng backup interface [ 65.637628][ T14] bond0 (unregistering): (slave bond_slave_1): Releasi= ng backup interface [ 65.639515][ T14] bond0 (unregistering): Released all slaves [ 65.727181][ T14] hsr_slave_0: left promiscuous mode [ 65.728327][ T14] hsr_slave_1: left promiscuous mode [ 65.729104][ T14] batman_adv: batadv0: Interface deactivated: batadv_s= lave_0 [ 65.729125][ T14] batman_adv: batadv0: Removing interface: batadv_slav= e_0 [ 65.730246][ T14] batman_adv: batadv0: Interface deactivated: batadv_s= lave_1 [ 65.730262][ T14] batman_adv: batadv0: Removing interface: batadv_slav= e_1 [ 65.741743][ T14] veth1_macvtap: left promiscuous mode [ 65.741806][ T14] veth0_macvtap: left promiscuous mode [ 65.741943][ T14] veth1_vlan: left promiscuous mode [ 65.742076][ T14] veth0_vlan: left promiscuous mode [ 65.935455][ T14] team0 (unregistering): Port device team_slave_1 remo= ved [ 65.945027][ T14] team0 (unregistering): Port device team_slave_0 remo= ved [ 66.043375][ T5444] 8021q: adding VLAN 0 to HW filter on device eth2 [ 66.242059][ T5444] 8021q: adding VLAN 0 to HW filter on device eth3 [ 66.430099][ T5444] 8021q: adding VLAN 0 to HW filter on device eth4 [ 66.642015][ T5444] 8021q: adding VLAN 0 to HW filter on device eth5 [ 71.222149][ T1439] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.222242][ T1439] 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-build845281019=3D/tmp/go-build -gno-record-gcc= -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 d2e5fb956a 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=3Dd2e5fb956ad222b37a913979e04dc012f4868836 -X github.com/goo= gle/syzkaller/prog.gitRevisionDate=3D20260903-102143" ./sys/syz-sysgen | g= rep -q false || go install -ldflags=3D"-s -w -X github.com/google/syzkaller= /prog.GitRevision=3Dd2e5fb956ad222b37a913979e04dc012f4868836 -X github.com/= google/syzkaller/prog.gitRevisionDate=3D20260903-102143" ./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=3Dd2e5fb956ad222b37a913979e04dc012f4868836 -X g= ithub.com/google/syzkaller/prog.gitRevisionDate=3D20260903-102143" -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\"d2e5fb956ad222b37a913979e04dc012f4= 868836\" /usr/bin/ld: /tmp/cc4F8CFT.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: 067c5c24 Merge tag 'page_alloc-for-7.4-rc2' of git://g.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=3Dc40cb9cd7a4b919= a dashboard link: https://syzkaller.appspot.com/bug?extid=3Dfefa0af09f7891b18= 00e compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Deb= ian) 2.44 userspace arch: i386 patch: https://syzkaller.appspot.com/x/patch.diff?x=3D1777944d5800= 00