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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=209.85.210.72 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-f72.google.com with SMTP id 46e09a7af769-7c702d1a4f7so4279463a34.3 for ; Tue, 06 Jan 2026 18:19:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767752342; x=1768357142; h=content-transfer-encoding:to:from:subject:message-id:in-reply-to :date:mime-version:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=BAbsJU1DWgK3LHp5XAQeHdFwhsW4fYHu+oiMAyzAIvo=; b=RgQuJJexNBTb1rR/Ky8tZgDsKY4lZPo9VQw9KktR2H3qNJlTW+2ve5Yod/Agvl4R31 i4E05jDlILlRBkMKYSlrSxCgUGmKxZ85L2BXfyzELP+rlfS1BejzcH3D4wmag1nPFABt HkAVHMBoaeL27E4D62O+vQKnGZ43oLxm+ywxXftpAkkAqQu/DsPd7MaPBC3j6xW81iRK 4q9g0tXY5Gddn6EhLENRRnuj2dw/B0RItXptESwM9zPsbG5Hqfq+ElElj0XdOHZBEnuM 2UFiyWnWKiPa19bpdi4gFzFE0VrLsP0KzBzsyQDE5FTx1eqjDuq2uwcbky5C8aLJa6SD MjhA== X-Forwarded-Encrypted: i=1; AJvYcCVTKZ74HWT0KXZ2KnHEAaUuhgVZoiNqyWWahbMYJ8LDPma3GtiJlAdTqzFnP4fkw83uSz5v66aWLJdfJk8=@vger.kernel.org X-Gm-Message-State: AOJu0YwR9OI4yupMNHh7gjx5thGyAABsaISOPf5MHF3RKl5nQN5H6RLS JcCPCwuhIKwC4DKegFsv19bTlQPSB4QtNqdT56HQpbdUNFEo/YoFtI2x2tPOMHko/C7vPLBjE9r A9YTbQ1nFdlFHSFI8Lls+6Kmn5iOeUpK0yocef0LId2WERRhsqt8mzp8sZy4= X-Google-Smtp-Source: AGHT+IFmxG6tnHt0OuX0x5hJDh50etwFWEyUmEGDILcapkyiUo07T+MNRRvQO2oA9OfM1jvA7VlNF2y/GL9ZsU9ZFTxwE9oUgZZa Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:770b:b0:659:9a49:8ff9 with SMTP id 006d021491bc7-65f54f68da2mr294441eaf.38.1767752342420; Tue, 06 Jan 2026 18:19:02 -0800 (PST) Date: Tue, 06 Jan 2026 18:19:02 -0800 In-Reply-To: <4cbb379c-99e7-4f87-a435-43b3cecdf888@kernel.org> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <695dc296.050a0220.1c677c.0352.GAE@google.com> Subject: Re: [syzbot] [f2fs?] KASAN: use-after-free Read in f2fs_write_end_io (2) From: syzbot To: chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, 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: c 0x1003 length: 249 > 9 [ 99.252780][ T4680] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > = 9 [ 99.258304][ T4680] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > = 4 [ 99.262003][ T4680] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > = 2 [ 99.904250][ T947] wlan0: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 99.908039][ T947] wlan0: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 [ 99.960090][ T1131] wlan1: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 99.963625][ T1131] wlan1: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 [ 101.111055][ T5380] chnl_net:caif_netlink_parms(): no params data found [ 101.277872][ T5380] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 101.286086][ T5380] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 101.289331][ T5380] bridge_slave_0: entered allmulticast mode [ 101.304573][ T5380] bridge_slave_0: entered promiscuous mode [ 101.311175][ T5380] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 101.314400][ T5380] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 101.318351][ T5380] bridge_slave_1: entered allmulticast mode [ 101.322134][ T5380] bridge_slave_1: entered promiscuous mode [ 101.348427][ T5380] bond0: (slave bond_slave_0): Enslaving as an active = interface with an up link [ 101.357433][ T5380] bond0: (slave bond_slave_1): Enslaving as an active = interface with an up link [ 101.383478][ T5380] team0: Port device team_slave_0 added [ 101.388135][ T5380] team0: Port device team_slave_1 added [ 101.411977][ T5380] batman_adv: batadv0: Adding interface: batadv_slave_= 0 [ 101.415073][ T5380] 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. [ 101.427067][ T5380] batman_adv: batadv0: Not using interface batadv_slav= e_0 (retrying later): interface not active [ 101.433759][ T5380] batman_adv: batadv0: Adding interface: batadv_slave_= 1 [ 101.437187][ T5380] 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. [ 101.448054][ T5380] batman_adv: batadv0: Not using interface batadv_slav= e_1 (retrying later): interface not active [ 101.483243][ T5380] hsr_slave_0: entered promiscuous mode [ 101.486999][ T5380] hsr_slave_1: entered promiscuous mode [ 101.640469][ T5380] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 101.650511][ T5380] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 101.657246][ T5380] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 101.663682][ T5380] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 101.742774][ T5380] 8021q: adding VLAN 0 to HW filter on device bond0 [ 101.761501][ T5380] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.770624][ T947] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 101.773903][ T947] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 101.786737][ T1131] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 101.789882][ T1131] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 102.002757][ T5380] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 102.041139][ T5380] veth0_vlan: entered promiscuous mode [ 102.050273][ T5380] veth1_vlan: entered promiscuous mode [ 102.080200][ T5380] veth0_macvtap: entered promiscuous mode [ 102.087176][ T5380] veth1_macvtap: entered promiscuous mode [ 102.108084][ T5380] batman_adv: batadv0: Interface activated: batadv_sla= ve_0 [ 102.119233][ T5380] batman_adv: batadv0: Interface activated: batadv_sla= ve_1 [ 102.129583][ T947] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 102.141577][ T947] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 102.145405][ T947] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 102.160213][ T4047] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 102.423332][ T3019] netdevsim netdevsim0 netdevsim3 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 102.589933][ T3019] netdevsim netdevsim0 netdevsim2 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 102.698091][ T3019] netdevsim netdevsim0 netdevsim1 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 102.788477][ T3019] netdevsim netdevsim0 netdevsim0 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 105.309210][ T3019] bridge_slave_1: left allmulticast mode [ 105.311909][ T3019] bridge_slave_1: left promiscuous mode [ 105.331282][ T3019] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 105.387138][ T3019] bridge_slave_0: left allmulticast mode [ 105.389688][ T3019] bridge_slave_0: left promiscuous mode [ 105.392386][ T3019] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 106.096537][ T3019] bond0 (unregistering): (slave bond_slave_0): Releasi= ng backup interface [ 106.103033][ T3019] bond0 (unregistering): (slave bond_slave_1): Releasi= ng backup interface [ 106.117388][ T3019] bond0 (unregistering): Released all slaves [ 106.229126][ T3019] hsr_slave_0: left promiscuous mode [ 106.246123][ T3019] hsr_slave_1: left promiscuous mode [ 106.258491][ T3019] batman_adv: batadv0: Interface deactivated: batadv_s= lave_0 [ 106.261745][ T3019] batman_adv: batadv0: Removing interface: batadv_slav= e_0 [ 106.286794][ T3019] batman_adv: batadv0: Interface deactivated: batadv_s= lave_1 [ 106.290111][ T3019] batman_adv: batadv0: Removing interface: batadv_slav= e_1 [ 106.325813][ T3019] veth1_macvtap: left promiscuous mode [ 106.329044][ T3019] veth0_macvtap: left promiscuous mode [ 106.331694][ T3019] veth1_vlan: left promiscuous mode [ 106.334122][ T3019] veth0_vlan: left promiscuous mode [ 106.797480][ T3019] team0 (unregistering): Port device team_slave_1 remo= ved [ 106.821140][ T3019] team0 (unregistering): Port device team_slave_0 remo= ved 2026/01/07 02:18:07 executed programs: 0 [ 108.259947][ T46] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > = 1 [ 108.264618][ T46] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > = 9 [ 108.270695][ T46] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > = 9 [ 108.274422][ T46] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > = 4 [ 108.278195][ T46] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > = 2 [ 108.730010][ T5451] chnl_net:caif_netlink_parms(): no params data found [ 108.907477][ T5451] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 108.910655][ T5451] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 108.913831][ T5451] bridge_slave_0: entered allmulticast mode [ 108.929157][ T5451] bridge_slave_0: entered promiscuous mode [ 108.939210][ T5451] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 108.942482][ T5451] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 108.950846][ T5451] bridge_slave_1: entered allmulticast mode [ 108.965783][ T5451] bridge_slave_1: entered promiscuous mode [ 109.018144][ T5451] bond0: (slave bond_slave_0): Enslaving as an active = interface with an up link [ 109.026049][ T5451] bond0: (slave bond_slave_1): Enslaving as an active = interface with an up link [ 109.073929][ T5451] team0: Port device team_slave_0 added [ 109.085217][ T5451] team0: Port device team_slave_1 added [ 109.128253][ T5451] batman_adv: batadv0: Adding interface: batadv_slave_= 0 [ 109.131303][ T5451] 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. [ 109.156217][ T5451] batman_adv: batadv0: Not using interface batadv_slav= e_0 (retrying later): interface not active [ 109.177176][ T5451] batman_adv: batadv0: Adding interface: batadv_slave_= 1 [ 109.180214][ T5451] 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. [ 109.208335][ T5451] batman_adv: batadv0: Not using interface batadv_slav= e_1 (retrying later): interface not active [ 109.278165][ T5451] hsr_slave_0: entered promiscuous mode [ 109.286205][ T5451] hsr_slave_1: entered promiscuous mode [ 109.779620][ T5451] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 109.800234][ T5451] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 109.807679][ T5451] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 109.829275][ T5451] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 109.967755][ T5451] 8021q: adding VLAN 0 to HW filter on device bond0 [ 109.993637][ T5451] 8021q: adding VLAN 0 to HW filter on device team0 [ 110.013449][ T947] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 110.016837][ T947] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 110.041939][ T947] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 110.045001][ T947] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 110.113140][ T5451] hsr0: Slave A (hsr_slave_0) is not up; please bring = it up to get a fully working HSR network [ 110.126403][ T5451] hsr0: Slave B (hsr_slave_1) is not up; please bring = it up to get a fully working HSR network [ 110.306727][ T46] Bluetooth: hci0: command tx timeout [ 110.407891][ T5451] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 110.474914][ T5451] veth0_vlan: entered promiscuous mode [ 110.501129][ T5451] veth1_vlan: entered promiscuous mode [ 110.548766][ T5451] veth0_macvtap: entered promiscuous mode [ 110.566415][ T5451] veth1_macvtap: entered promiscuous mode [ 110.594368][ T5451] batman_adv: batadv0: Interface activated: batadv_sla= ve_0 [ 110.627391][ T5451] batman_adv: batadv0: Interface activated: batadv_sla= ve_1 [ 110.639617][ T947] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 110.643516][ T947] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 110.667089][ T947] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 110.702519][ T947] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 110.791338][ T947] wlan0: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 110.795044][ T947] wlan0: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 [ 110.848266][ T947] wlan1: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 110.851713][ T947] wlan1: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 SYZFAIL: failed to recv rpc fd=3D3 want=3D4 recv=3D0 n=3D0 (errno 9: Bad file descriptor) [ 112.188996][ T1131] netdevsim netdevsim0 netdevsim3 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 113.352275][ T1131] netdevsim netdevsim0 netdevsim2 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 113.627013][ T1131] netdevsim netdevsim0 netdevsim1 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 113.684954][ T1131] netdevsim netdevsim0 netdevsim0 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 113.807220][ T1131] bridge_slave_1: left allmulticast mode [ 113.809850][ T1131] bridge_slave_1: left promiscuous mode [ 113.812539][ T1131] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 113.832063][ T1131] bridge_slave_0: left allmulticast mode [ 113.834590][ T1131] bridge_slave_0: left promiscuous mode [ 113.837572][ T1131] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 114.221189][ T1131] bond0 (unregistering): (slave bond_slave_0): Releasi= ng backup interface [ 114.227289][ T1131] bond0 (unregistering): (slave bond_slave_1): Releasi= ng backup interface [ 114.232468][ T1131] bond0 (unregistering): Released all slaves [ 114.487951][ T1131] hsr_slave_0: left promiscuous mode [ 114.490767][ T1131] hsr_slave_1: left promiscuous mode [ 114.498999][ T1131] batman_adv: batadv0: Interface deactivated: batadv_s= lave_0 [ 114.502267][ T1131] batman_adv: batadv0: Removing interface: batadv_slav= e_0 [ 114.517714][ T1131] batman_adv: batadv0: Interface deactivated: batadv_s= lave_1 [ 114.521062][ T1131] batman_adv: batadv0: Removing interface: batadv_slav= e_1 [ 114.549206][ T1131] veth1_macvtap: left promiscuous mode [ 114.551802][ T1131] veth0_macvtap: left promiscuous mode [ 114.554336][ T1131] veth1_vlan: left promiscuous mode [ 114.567501][ T1131] veth0_vlan: left promiscuous mode [ 114.940636][ T1131] team0 (unregistering): Port device team_slave_1 remo= ved [ 114.967019][ T1131] team0 (unregistering): Port device team_slave_0 remo= ved 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-build1445029477=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'go1.24.4' GOWORK=3D'' PKG_CONFIG=3D'pkg-config' git status (err=3D) HEAD detached at d1b870e1003b 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=3Dd1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/goo= gle/syzkaller/prog.gitRevisionDate=3D20251128-125159" ./sys/syz-sysgen | g= rep -q false || go install -ldflags=3D"-s -w -X github.com/google/syzkaller= /prog.GitRevision=3Dd1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/= google/syzkaller/prog.gitRevisionDate=3D20251128-125159" ./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=3Dd1b870e1003b52891d2196c1e2ee42fe905010ba -X g= ithub.com/google/syzkaller/prog.gitRevisionDate=3D20251128-125159" -o ./bi= n/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_amd64 g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -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= _amd64=3D1 \ -DHOSTGOOS_linux=3D1 -DGIT_REVISION=3D\"d1b870e1003b52891d2196c1e2ee42fe90= 5010ba\" /usr/bin/ld: /tmp/cc4kC0pD.o: in function `Connection::Connect(char const*,= char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEP= KcS1_]+0x104): 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 Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=3D12df7e9a580000 Tested on: commit: af98ee9d f2fs: fix use-after-free in f2fs_write_end_io git tree: https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.= git bugfix/syzbot kernel config: https://syzkaller.appspot.com/x/.config?x=3D513255d80ab78f2= b dashboard link: https://syzkaller.appspot.com/bug?extid=3Db4444e3c972a7a124= 187 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-= 1~exp1~20250708183702.136), Debian LLD 20.1.8 Note: no patches were applied.