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 739223126AB for ; Thu, 11 Dec 2025 12:51:03 +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=1765457468; cv=none; b=UdiTiD6DyR/r6W3NUrsQ6vGt336Fz9ST1eya+9hqMCO7QXfh5tQQeS3uVbjgtChEQgQFxv2P7an4O1KLnAgMWXyRwnZhweNvuIIoeYnlmbp8S3xNIVFUqxSt/DkycY3YBNI5umX1n2l+CmJDD1/G5Wou7S4AmvTx321pWwbEQJ4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765457468; c=relaxed/simple; bh=Aee4zwQMKAwlSEqbEDJCrzUkOp6LDLUGA8X01WqnJfI=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=cVpzV0V7L1sj43UCYLmx2Ge7GA54xbEluRBpzvajDZWHQIvIySXP+ZUaocNuVCLnhAiBGdOIgMBs3hQATuW9P1Q2zwcpu+9jp5GEBHvN3CsHeZSG9ek/lJYT1n+O0RC6ujsm+rmq0x95CedO5TBCYVpkG088HGIb25yvyPNckLM= 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 5614622812f47-4557c1e9e54so22157b6e.1 for ; Thu, 11 Dec 2025 04:51:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1765457462; x=1766062262; 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=XKXB/SXeXG618pRFEEV23C1eIpQUfsuDo+8gZ9Hvyj4=; b=IsvuYR6empRQSQrGoQ1x2gtmjVkFXnz7zt5vrkPAKa1eYaAPZkzTWm9bLzgkw+Fly/ ffWQOAk7WiLu11gT6jkVU+8a2XGaJJhxvpy24huEOEK/DULsRkctsDWvZe9ZonG2/0h3 bAaef5Ddo6KV8j6zMP6IydVQ6go4ZVOTwHLilkwfIaJgs0c+DL0i11Kz4XGbLLHBrQ7i VWmkZnDv+yjQXNdSa8fAlzLLxJ4CIT+yCfdEia28bBUNEe3gRUkzglUzW9XTHxpsJUb6 L8IrOyyAobne7m5ioV+AZ9wkg5EWwzqnujC2qLTf8xjOiG8I9bNxn2FrEJufLL4JC7TL Pm7w== X-Forwarded-Encrypted: i=1; AJvYcCWTeHmcVoyok6Y10A8rbq7FSXclxQ3A6652UyBCo40AXAiPxk+OPOLklOyM/bjdwDm22u2V6F5Z3uQT5Bs=@vger.kernel.org X-Gm-Message-State: AOJu0YxoNTK7ohTA6PIw1QCAwmuJyetard71rlfVQ2jxfuKjYijNhPz/ tTTzV9Ko/zhdBC/qdUYIXk9f76JGVHk+HHXrTS2jGTq/Wla+I3N3fcnGAd3qv6YltWj75TKOR5S Za8yqIM4Dk6COXDdx3pl4+7AfXnjN1jE+IO07pEi3+QgmXicslMM82m2R/Ug= X-Google-Smtp-Source: AGHT+IH4TDCEuakmd5C+jwQv6/TCeo0jEz/JcXBxvEFYZ2EGv4PYXXWNBE/hncu+mT9UAqmdJ7bxVg/oTY0zsL87bTwrGUUB1fC4 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:1888:b0:659:9a49:8fb0 with SMTP id 006d021491bc7-65b2acbcf3bmr3322828eaf.41.1765457462338; Thu, 11 Dec 2025 04:51:02 -0800 (PST) Date: Thu, 11 Dec 2025 04:51:02 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <693abe36.050a0220.4004e.0339.GAE@google.com> Subject: Re: [syzbot] [btrfs?] memory leak in qgroup_reserve_data From: syzbot To: eadavis@qq.com, 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: SYZFAIL: failed to recv rpc SYZFAIL: failed to recv rpc fd=3D3 want=3D4 recv=3D0 n=3D0 Warning: Permanently added '10.128.1.217' (ED25519) to the list of known ho= sts. 2025/12/11 12:50:04 parsed 1 programs [ 37.403916][ T5811] cgroup: Unknown subsys name 'net' [ 37.508618][ T5811] cgroup: Unknown subsys name 'cpuset' [ 37.515164][ T5811] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size =3D 127995904 bytes [ 45.595622][ T5811] Adding 124996k swap on ./swap-file. Priority:0 exte= nts:1 across:124996k=20 [ 46.835575][ T5819] soft_limit_in_bytes is deprecated and will be remove= d. Please report your usecase to linux-mm@kvack.org if you depend on this f= unctionality. [ 46.879171][ T5133] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > = 1 [ 46.886300][ T5133] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > = 9 [ 46.898402][ T5133] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > = 9 [ 46.905908][ T5133] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > = 4 [ 46.913194][ T5133] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > = 2 [ 47.260995][ T5860] chnl_net:caif_netlink_parms(): no params data found [ 47.281855][ T5860] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 47.289221][ T5860] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 47.296326][ T5860] bridge_slave_0: entered allmulticast mode [ 47.302712][ T5860] bridge_slave_0: entered promiscuous mode [ 47.309503][ T5860] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 47.316605][ T5860] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 47.323822][ T5860] bridge_slave_1: entered allmulticast mode [ 47.330120][ T5860] bridge_slave_1: entered promiscuous mode [ 47.342848][ T5860] bond0: (slave bond_slave_0): Enslaving as an active = interface with an up link [ 47.353036][ T5860] bond0: (slave bond_slave_1): Enslaving as an active = interface with an up link [ 47.366202][ T5860] team0: Port device team_slave_0 added [ 47.372310][ T5860] team0: Port device team_slave_1 added [ 47.382477][ T5860] batman_adv: batadv0: Adding interface: batadv_slave_= 0 [ 47.389859][ T5860] 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. [ 47.416144][ T5860] batman_adv: batadv0: Not using interface batadv_slav= e_0 (retrying later): interface not active [ 47.427570][ T5860] batman_adv: batadv0: Adding interface: batadv_slave_= 1 [ 47.434595][ T5860] 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. [ 47.461000][ T5860] batman_adv: batadv0: Not using interface batadv_slav= e_1 (retrying later): interface not active [ 47.481658][ T5860] hsr_slave_0: entered promiscuous mode [ 47.487615][ T5860] hsr_slave_1: entered promiscuous mode [ 47.517506][ T5860] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.525249][ T5860] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.532900][ T5860] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.540987][ T5860] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.553249][ T5860] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 47.560530][ T5860] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 47.568122][ T5860] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 47.575173][ T5860] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 47.592316][ T5860] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.601689][ T58] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 47.609495][ T58] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 47.618901][ T5860] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.627093][ T12] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 47.634273][ T12] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 47.643403][ T58] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 47.650641][ T58] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 47.690680][ T5860] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.704885][ T5860] veth0_vlan: entered promiscuous mode [ 47.712118][ T5860] veth1_vlan: entered promiscuous mode [ 47.722814][ T5860] veth0_macvtap: entered promiscuous mode [ 47.729850][ T5860] veth1_macvtap: entered promiscuous mode [ 47.739453][ T5860] batman_adv: batadv0: Interface activated: batadv_sla= ve_0 [ 47.748702][ T5860] batman_adv: batadv0: Interface activated: batadv_sla= ve_1 [ 47.758196][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 47.767254][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 47.776557][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 47.786234][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 47.841159][ T1034] netdevsim netdevsim0 netdevsim3 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 47.859488][ T1034] netdevsim netdevsim0 netdevsim2 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 47.909405][ T1034] netdevsim netdevsim0 netdevsim1 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 47.968913][ T1034] netdevsim netdevsim0 netdevsim0 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 48.000939][ T58] wlan0: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 48.010765][ T58] wlan0: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 [ 48.021322][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 48.029314][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 2025/12/11 12:50:16 executed programs: 0 [ 50.840038][ T1034] bridge_slave_1: left allmulticast mode [ 50.846601][ T1034] bridge_slave_1: left promiscuous mode [ 50.852256][ T1034] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 50.860075][ T1034] bridge_slave_0: left allmulticast mode [ 50.865706][ T1034] bridge_slave_0: left promiscuous mode [ 50.871491][ T1034] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 50.919030][ T1034] bond0 (unregistering): (slave bond_slave_0): Releasi= ng backup interface [ 50.928706][ T1034] bond0 (unregistering): (slave bond_slave_1): Releasi= ng backup interface [ 50.937917][ T1034] bond0 (unregistering): Released all slaves [ 51.019077][ T1034] hsr_slave_0: left promiscuous mode [ 51.024910][ T1034] hsr_slave_1: left promiscuous mode [ 51.031138][ T1034] batman_adv: batadv0: Interface deactivated: batadv_s= lave_0 [ 51.038891][ T1034] batman_adv: batadv0: Removing interface: batadv_slav= e_0 [ 51.046673][ T1034] batman_adv: batadv0: Interface deactivated: batadv_s= lave_1 [ 51.054623][ T1034] batman_adv: batadv0: Removing interface: batadv_slav= e_1 [ 51.063401][ T1034] veth1_macvtap: left promiscuous mode [ 51.069252][ T1034] veth0_macvtap: left promiscuous mode [ 51.074835][ T1034] veth1_vlan: left promiscuous mode [ 51.080516][ T1034] veth0_vlan: left promiscuous mode [ 51.111321][ T1034] team0 (unregistering): Port device team_slave_1 remo= ved [ 51.119654][ T1034] team0 (unregistering): Port device team_slave_0 remo= ved [ 53.595513][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > = 1 [ 53.602664][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > = 9 [ 53.609917][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > = 9 [ 53.617376][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > = 4 [ 53.625082][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > = 2 [ 53.658839][ T5986] chnl_net:caif_netlink_parms(): no params data found [ 53.677076][ T5986] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 53.684290][ T5986] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 53.691756][ T5986] bridge_slave_0: entered allmulticast mode [ 53.698037][ T5986] bridge_slave_0: entered promiscuous mode [ 53.704616][ T5986] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 53.711841][ T5986] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 53.719054][ T5986] bridge_slave_1: entered allmulticast mode [ 53.725237][ T5986] bridge_slave_1: entered promiscuous mode [ 53.735598][ T5986] bond0: (slave bond_slave_0): Enslaving as an active = interface with an up link [ 53.745356][ T5986] bond0: (slave bond_slave_1): Enslaving as an active = interface with an up link [ 53.759567][ T5986] team0: Port device team_slave_0 added [ 53.765789][ T5986] team0: Port device team_slave_1 added [ 53.775976][ T5986] batman_adv: batadv0: Adding interface: batadv_slave_= 0 [ 53.783114][ T5986] 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. [ 53.809753][ T5986] batman_adv: batadv0: Not using interface batadv_slav= e_0 (retrying later): interface not active [ 53.821002][ T5986] batman_adv: batadv0: Adding interface: batadv_slave_= 1 [ 53.828044][ T5986] 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. [ 53.854377][ T5986] batman_adv: batadv0: Not using interface batadv_slav= e_1 (retrying later): interface not active [ 53.871243][ T5986] hsr_slave_0: entered promiscuous mode [ 53.877038][ T5986] hsr_slave_1: entered promiscuous mode [ 54.068255][ T5986] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.077708][ T5986] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.085441][ T5986] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.093888][ T5986] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.113170][ T5986] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 54.120735][ T5986] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 54.128469][ T5986] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 54.135750][ T5986] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 54.157830][ T5986] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.167464][ T12] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 54.175477][ T12] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 54.186223][ T5986] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.195056][ T1034] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 54.202328][ T1034] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 54.212042][ T1034] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 54.219319][ T1034] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 54.273088][ T5986] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.290440][ T5986] veth0_vlan: entered promiscuous mode [ 54.299332][ T5986] veth1_vlan: entered promiscuous mode [ 54.311769][ T5986] veth0_macvtap: entered promiscuous mode [ 54.319507][ T5986] veth1_macvtap: entered promiscuous mode [ 54.330377][ T5986] batman_adv: batadv0: Interface activated: batadv_sla= ve_0 [ 54.340331][ T5986] batman_adv: batadv0: Interface activated: batadv_sla= ve_1 [ 54.355244][ T1034] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 54.364345][ T1034] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 54.373731][ T1034] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 54.384097][ T1034] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 54.413748][ T1034] wlan0: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 SYZFAIL: failed to recv rpc [ 54.425026][ T1034] wlan0: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 [ 54.436532][ T1034] wlan1: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 54.445879][ T1034] wlan1: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 fd=3D3 want=3D4 recv=3D0 n=3D0 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-build1096256202=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'go1.24.4' GOWORK=3D'' PKG_CONFIG=3D'pkg-config' git status (err=3D) HEAD detached at d6526ea3e 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=3Dd6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/goo= gle/syzkaller/prog.gitRevisionDate=3D20251126-113115" ./sys/syz-sysgen | g= rep -q false || go install -ldflags=3D"-s -w -X github.com/google/syzkaller= /prog.GitRevision=3Dd6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/= google/syzkaller/prog.gitRevisionDate=3D20251126-113115" ./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=3Dd6526ea3e6ad9081c902859bbb80f9f840377cb4 -X g= ithub.com/google/syzkaller/prog.gitRevisionDate=3D20251126-113115" -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\"d6526ea3e6ad9081c902859bbb80f9f840= 377cb4\" /usr/bin/ld: /tmp/ccIdn9ML.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 Tested on: commit: d358e525 Merge tag 'for-6.19/dm-changes' of git://git... git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=3D9a0268003e02068= d dashboard link: https://syzkaller.appspot.com/bug?extid=3D2f8aa76e6acc9fce6= 638 compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils= for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=3D1140261a5800= 00