From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 6A3032E764E for ; Fri, 24 Oct 2025 07:41:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761291670; cv=none; b=nOSpvZIGJcbYhS4QXZ9m/jMpFquRpiWtjdX7LTVmWyNqAYN/ahTcvaEzkD7eO/Tu4yFqWnIG72s4fmEuX+0aXlN30jpRAzVEA+YwNt2PRGbc1zs2Tpu/iHSBEXeBUdYH7t/5uoA8U2yo6jieBA1F7CA3pMRSjzqmuEVyIVrX4UM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761291670; c=relaxed/simple; bh=lzpaUplrCHF9olKACFhJg6dFyfdBL5Fslceg8xxCgmA=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=QO+y76ggA8Hv+30wRHyaYTGFIUT+e0PNQKsomVUaIIq/YkNi/+Q1TSS+fXfhw0l7FOdIOA81IVtBa/RJSzjmEKnXKHT3QqeeyA/T6mcFzJtmy00c5D8C8JRqlFQjTdSdYuY7jab4N6wp2clmXs5FJtrr/ByvVXbXJ5eQcD2t+1w= 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=209.85.166.198 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-il1-f198.google.com with SMTP id e9e14a558f8ab-431d84fdb91so51078695ab.3 for ; Fri, 24 Oct 2025 00:41:08 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761291667; x=1761896467; 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=MLcjvQzS/DKCv60hZAIV5yiYMhGV7OOllvxKnrvZi1E=; b=PQIK5C+rkXxUX886FaDX6qPuL6idV1eqI6EsD6PgVOjeR8mkkJSpCIA1Ao/7ZNvdD6 qTqyLQjR+Dtem7emm2rd8i2+BzSZoSfs6Qa5M+6qmMqxmuzz5piGvc9krsGqISOR90iR bQ5c/2o/PejPl8crNvK+zd0P6pjf44jnKVcSEEjfIRLpFJ5JKPF4F9kfMpMdbMqnx1JZ Uixp9H2qiBnuoTNy5z2UGH6vr4gTxbDJn55jbqSXGMlLWzT88Prl2xJbrdkmx7XHCsvs oG/dp7Liq+J+cRcOWkuBABmDIixpVi9IGHjx1oPWTYJQnD4vGy4XFk4XnO+LL/26VbX9 Wn5w== X-Forwarded-Encrypted: i=1; AJvYcCX2jbxA3GP6toHuoZWjyd9sLw7VzmSS36IEqUM27nMb1NqRp757j+Pdsc/EZ5VzD1XsK6yaF/7NQlQ3BBU=@vger.kernel.org X-Gm-Message-State: AOJu0YzxPcsERngxhEIpYrcd345VT/vokDDW+j+N0LgcFwR6b3KOSK6U R3u8VDzP1EXFTf7qspOz2q66WPSradYdxq5IptTgJV+qCXMxEL5S6FcrdHBcxJfIMg2HTMMoZ6w 0ZuKYBxrzAE0aTyC74kwg5+4GQPqudUCpSNUNm/Ck73xOfuZy1TUPF4Kk/2I= X-Google-Smtp-Source: AGHT+IGuxP+fTijy8r5756Oj57hYHsoFLcHiukETuSPqCYIU81UMrlVOXpuwpQ4c6c3pKVVco4lCxywlk7VkojmpxUQM9SxgrnB3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:348e:b0:425:951f:52fa with SMTP id e9e14a558f8ab-431dc169e8fmr81664135ab.14.1761291667577; Fri, 24 Oct 2025 00:41:07 -0700 (PDT) Date: Fri, 24 Oct 2025 00:41:07 -0700 In-Reply-To: <20251024071154.8nS9W%dmantipov@yandex.ru> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68fb2d93.a70a0220.3bf6c6.014a.GAE@google.com> Subject: Re: [syzbot] [ocfs2?] kernel BUG in ocfs2_truncate_log_needs_flush (2) From: syzbot To: dmantipov@yandex.ru, 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: im0 netdevsim3: renamed from eth3 [ 65.498461][ T5570] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 65.504458][ T5570] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 65.510598][ T5570] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 65.516333][ T5570] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 65.547747][ T5570] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.558428][ T3031] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes r= eady [ 65.566437][ T3031] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 65.573305][ T3031] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 65.581116][ T3031] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes r= eady [ 65.590723][ T5570] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.605138][ T3031] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link = becomes ready [ 65.617739][ T3031] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 65.624264][ T3031] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 65.632411][ T3031] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link = becomes ready [ 65.641431][ T3031] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 65.647421][ T3031] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 65.665596][ T3031] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link be= comes ready [ 65.675817][ T3031] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link be= comes ready [ 65.688046][ T5570] hsr0: Slave A (hsr_slave_0) is not up; please bring = it up to get a fully working HSR network [ 65.699422][ T5570] hsr0: Slave B (hsr_slave_1) is not up; please bring = it up to get a fully working HSR network [ 65.712142][ T3031] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes r= eady [ 65.719124][ T3031] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link bec= omes ready [ 65.726668][ T3031] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link bec= omes ready [ 65.743599][ T3031] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes re= ady [ 65.795967][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes = ready [ 65.803090][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes = ready [ 65.812250][ T5570] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.826943][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link= becomes ready [ 65.840970][ T5570] device veth0_vlan entered promiscuous mode [ 65.846214][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link beco= mes ready [ 65.853729][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes r= eady [ 65.859777][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes r= eady [ 65.869781][ T5570] device veth1_vlan entered promiscuous mode [ 65.876428][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link become= s ready [ 65.893202][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link become= s ready [ 65.901517][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link b= ecomes ready [ 65.909785][ T5570] device veth0_macvtap entered promiscuous mode [ 65.919316][ T5570] device veth1_macvtap entered promiscuous mode [ 65.932694][ T5570] batman_adv: batadv0: Interface activated: batadv_sla= ve_0 [ 65.938869][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link= becomes ready [ 65.947434][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link become= s ready [ 65.956647][ T5570] batman_adv: batadv0: Interface activated: batadv_sla= ve_1 [ 65.963867][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link= becomes ready [ 65.973107][ T5570] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 65.981275][ T5570] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 65.988383][ T5570] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 65.996540][ T5570] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 66.009412][ T3061] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D [ 66.017125][ T3061] UBSAN: signed-integer-overflow in ./arch/x86/include= /asm/atomic.h:165:11 [ 66.024329][ T3061] -163290563 + -2098288399 cannot be represented in ty= pe 'int' [ 66.031757][ T3061] CPU: 0 PID: 3061 Comm: kworker/u2:8 Not tainted syzk= aller #0 [ 66.038134][ T3061] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), = BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 66.048130][ T3061] Workqueue: wg-kex-wg0 wg_packet_handshake_send_worke= r [ 66.053893][ T3061] Call Trace: [ 66.057427][ T3061] dump_stack+0xfd/0x16e [ 66.060951][ T3061] ubsan_epilogue+0xa/0x30 [ 66.064639][ T3061] handle_overflow+0x192/0x1b0 [ 66.068437][ T3061] ? prandom_u32+0x217/0x260 [ 66.072280][ T3061] ip_idents_reserve+0x14a/0x170 [ 66.076197][ T3061] __ip_select_ident+0xe4/0x1c0 [ 66.080020][ T3061] iptunnel_xmit+0x468/0x850 [ 66.083815][ T3061] udp_tunnel_xmit_skb+0x1ba/0x290 [ 66.088108][ T3061] send4+0x5d4/0xaf0 [ 66.091339][ T3061] wg_socket_send_skb_to_peer+0xcd/0x1c0 [ 66.095883][ T3061] wg_packet_handshake_send_worker+0x16b/0x280 [ 66.100935][ T3061] process_one_work+0x85e/0xff0 [ 66.104997][ T3061] worker_thread+0xa9b/0x1430 [ 66.108751][ T3061] ? lock_release+0x69/0x640 [ 66.112517][ T3061] ? rcu_lock_release+0x20/0x20 [ 66.116506][ T3061] kthread+0x386/0x410 [ 66.119891][ T3061] ? rcu_lock_release+0x20/0x20 [ 66.124100][ T3061] ? kthread_blkcg+0xd0/0xd0 [ 66.127889][ T3061] ret_from_fork+0x1f/0x30 [ 66.131580][ T3061] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D [ 66.138816][ T3061] Kernel panic - not syncing: UBSAN: panic_on_warn set= ... [ 66.144565][ T3061] CPU: 0 PID: 3061 Comm: kworker/u2:8 Not tainted syzk= aller #0 [ 66.150499][ T3061] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), = BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 66.159482][ T3061] Workqueue: wg-kex-wg0 wg_packet_handshake_send_worke= r [ 66.165195][ T3061] Call Trace: [ 66.167897][ T3061] dump_stack+0xfd/0x16e [ 66.171471][ T3061] panic+0x2f0/0x9c0 [ 66.174602][ T3061] check_panic_on_warn+0x95/0xe0 [ 66.178727][ T3061] handle_overflow+0x192/0x1b0 [ 66.182743][ T3061] ? prandom_u32+0x217/0x260 [ 66.186508][ T3061] ip_idents_reserve+0x14a/0x170 [ 66.190664][ T3061] __ip_select_ident+0xe4/0x1c0 [ 66.194678][ T3061] iptunnel_xmit+0x468/0x850 [ 66.198320][ T3061] udp_tunnel_xmit_skb+0x1ba/0x290 [ 66.202576][ T3061] send4+0x5d4/0xaf0 [ 66.205845][ T3061] wg_socket_send_skb_to_peer+0xcd/0x1c0 [ 66.210583][ T3061] wg_packet_handshake_send_worker+0x16b/0x280 [ 66.215775][ T3061] process_one_work+0x85e/0xff0 [ 66.219866][ T3061] worker_thread+0xa9b/0x1430 [ 66.223801][ T3061] ? lock_release+0x69/0x640 [ 66.227824][ T3061] ? rcu_lock_release+0x20/0x20 [ 66.231900][ T3061] kthread+0x386/0x410 [ 66.235406][ T3061] ? rcu_lock_release+0x20/0x20 [ 66.239449][ T3061] ? kthread_blkcg+0xd0/0xd0 [ 66.243419][ T3061] ret_from_fork+0x1f/0x30 [ 66.247485][ T3061] Kernel Offset: disabled [ 66.251127][ T3061] Rebooting in 86400 seconds.. VM DIAGNOSIS: 07:40:09 Registers: info registers vcpu 0 CPU#0 RAX=3D0000000000000036 RBX=3D0000000000000036 RCX=3D0000000000000000 RDX=3D= 00000000000003f8 RSI=3D0000000000000000 RDI=3D0000000000000020 RBP=3D00000000000003f8 RSP=3D= ffffc9000172f4e0 R8 =3Ddffffc0000000000 R9 =3Dfffff520002e5e9e R10=3Dfffff520002e5e9e R11=3D= ffffffff83f79850 R12=3Ddffffc0000000000 R13=3D1ffffffff2ad2063 R14=3Dffffffff96179de0 R15=3D= 0000000000000000 RIP=3Dffffffff83f798c8 RFL=3D00000002 [-------] CPL=3D0 II=3D0 A20=3D1 SMM= =3D0 HLT=3D0 ES =3D0000 0000000000000000 ffffffff 00c00000 CS =3D0010 0000000000000000 ffffffff 00a09b00 DPL=3D0 CS64 [-RA] SS =3D0018 0000000000000000 ffffffff 00c09300 DPL=3D0 DS [-WA] DS =3D0000 0000000000000000 ffffffff 00c00000 FS =3D0000 0000000000000000 ffffffff 00c00000 GS =3D0000 ffff888020600000 ffffffff 00c00000 LDT=3D0000 0000000000000000 ffffffff 00c00000 TR =3D0040 fffffe0000003000 00004087 00008b00 DPL=3D0 TSS64-busy GDT=3D fffffe0000001000 0000007f IDT=3D fffffe0000000000 00000fff CR0=3D80050033 CR2=3D00007f9d25c90e9c CR3=3D000000003f184000 CR4=3D00350ef0 DR0=3D0000000000000000 DR1=3D0000000000000000 DR2=3D0000000000000000 DR3=3D= 0000000000000000=20 DR6=3D00000000fffe0ff0 DR7=3D0000000000000400 EFER=3D0000000000000d01 FCW=3D037f FSW=3D0000 [ST=3D0] FTW=3D00 MXCSR=3D00001f80 FPR0=3D0000000000000000 0000 FPR1=3D0000000000000000 0000 FPR2=3D0000000000000000 0000 FPR3=3D0000000000000000 0000 FPR4=3D0000000000000000 0000 FPR5=3D0000000000000000 0000 FPR6=3D0000000000000000 0000 FPR7=3D0000000000000000 0000 Opmask00=3D0000000040410888 Opmask01=3D0000000000000fff Opmask02=3D00000000= ffffffef Opmask03=3D0000000000000000 Opmask04=3D0000000000000000 Opmask05=3D0000000000000000 Opmask06=3D00000000= 00000000 Opmask07=3D0000000000000000 ZMM00=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 b8a5606d93fbf234 4e6d6128c1c61247 ZMM01=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 e69291a55adf1a4d bc79a80ad3c0fce0 ZMM02=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 be6cebfbb543848d 5148acc6845117c5 ZMM03=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 4a118d849a30d684 02106ca1c36d1727 ZMM04=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 00000000ffffffff 00000000000000b4 ZMM05=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000034 ZMM06=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 f280979acd555a03 dd619a0e2b11f92c ZMM07=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 4db1fdda4413481c 0000000000000000 ZMM08=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 9675387fceff6377 c2b3d307affe2114 ZMM09=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 d99f887700000000 25c03f609d700a96 ZMM10=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 15ad1dc2a12d429b 71118e54ff6cdf2d ZMM11=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 fbb4f24384a52b52 900c1a64c85601c3 ZMM12=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM13=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM14=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 a54ff53a3c6ef372 bb67ae856a09e667 ZMM15=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 5be0cd191f83d9ab 9b05688c510e527f ZMM16=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 2525252525252525 2525252525252525 2525252525252525 2525252525252525 ZMM18=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 00306e6170737265 0030657267367069 00306c6e74367069 00306974765f3670 ZMM19=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 6900306974765f70 6900306c6e757400 3074697300326777 0031677700306777 ZMM20=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM21=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM22=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM23=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM25=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM26=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM27=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM28=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=3D0000000000000000 0000000000000000 0000000000000000 0000000000000000= 0000000000000000 0000000000000000 0000000000000000 0000000000000000 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-build317169965=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'go1.24.4' GOWORK=3D'' PKG_CONFIG=3D'pkg-config' git status (err=3D) HEAD detached at d7384b6d0bf 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}}' ./sys/syz-sysgen | grep -q false || go install ./sy= s/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=3Dd7384b6d0bff77c60aad349866f126ab16ce5296 -X g= ithub.com/google/syzkaller/prog.gitRevisionDate=3D20250710-085248" -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\"d7384b6d0bff77c60aad349866f126ab16= ce5296\" /usr/bin/ld: /tmp/ccf2gjJF.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 Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=3D17bd0be2580000 Tested on: commit: d3d0b4e2 Linux 5.10.245 git tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linu= x.git linux-5.10.y kernel config: https://syzkaller.appspot.com/x/.config?x=3D768d3f2193745e7= 5 dashboard link: https://syzkaller.appspot.com/bug?extid=3Dc24237f0eee59c0c2= abb compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-= 1~exp1~20250708183702.136), Debian LLD 20.1.8 patch: https://syzkaller.appspot.com/x/patch.diff?x=3D167282585800= 00