UBSAN: signed-integer-overflow in ip_idents_reserve ================================================================================ UBSAN: signed-integer-overflow in ./arch/x86/include/asm/atomic.h:165:11 1282323313 + 2084770655 cannot be represented in type 'int' CPU: 0 PID: 3027 Comm: kworker/u2:5 Not tainted syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: wg-kex-wg0 wg_packet_handshake_send_worker Call Trace: dump_stack+0xfd/0x16e lib/dump_stack.c:118 ubsan_epilogue+0xa/0x30 lib/ubsan.c:148 handle_overflow+0x192/0x1b0 lib/ubsan.c:180 arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline] atomic_add_return include/asm-generic/atomic-instrumented.h:73 [inline] ip_idents_reserve+0x14a/0x170 net/ipv4/route.c:521 __ip_select_ident+0xe4/0x1c0 net/ipv4/route.c:538 iptunnel_xmit+0x468/0x850 net/ipv4/ip_tunnel_core.c:80 udp_tunnel_xmit_skb+0x1ba/0x290 net/ipv4/udp_tunnel_core.c:190 send4+0x5d4/0xaf0 drivers/net/wireguard/socket.c:85 wg_socket_send_skb_to_peer+0xcd/0x1c0 drivers/net/wireguard/socket.c:175 wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:40 [inline] wg_packet_handshake_send_worker+0x16b/0x280 drivers/net/wireguard/send.c:51 process_one_work+0x85e/0xff0 kernel/workqueue.c:2282 worker_thread+0xa9b/0x1430 kernel/workqueue.c:2428 kthread+0x386/0x410 kernel/kthread.c:328 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 ================================================================================ Kernel panic - not syncing: UBSAN: panic_on_warn set ... CPU: 0 PID: 3027 Comm: kworker/u2:5 Not tainted syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: wg-kex-wg0 wg_packet_handshake_send_worker Call Trace: dump_stack+0xfd/0x16e lib/dump_stack.c:118 panic+0x2f0/0x9c0 kernel/panic.c:308 check_panic_on_warn+0x95/0xe0 kernel/panic.c:228 handle_overflow+0x192/0x1b0 lib/ubsan.c:180 arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline] atomic_add_return include/asm-generic/atomic-instrumented.h:73 [inline] ip_idents_reserve+0x14a/0x170 net/ipv4/route.c:521 __ip_select_ident+0xe4/0x1c0 net/ipv4/route.c:538 iptunnel_xmit+0x468/0x850 net/ipv4/ip_tunnel_core.c:80 udp_tunnel_xmit_skb+0x1ba/0x290 net/ipv4/udp_tunnel_core.c:190 send4+0x5d4/0xaf0 drivers/net/wireguard/socket.c:85 wg_socket_send_skb_to_peer+0xcd/0x1c0 drivers/net/wireguard/socket.c:175 wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:40 [inline] wg_packet_handshake_send_worker+0x16b/0x280 drivers/net/wireguard/send.c:51 process_one_work+0x85e/0xff0 kernel/workqueue.c:2282 worker_thread+0xa9b/0x1430 kernel/workqueue.c:2428 kthread+0x386/0x410 kernel/kthread.c:328 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Kernel Offset: disabled Rebooting in 86400 seconds.. Warning: Permanently added '[localhost]:42241' (ED25519) to the list of known hosts. 2025/10/29 07:07:15 parsed 1 programs [ 62.582844][ T5542] cgroup: Unknown subsys name 'net' [ 62.648111][ T5542] cgroup: Unknown subsys name 'rlimit' [ 64.756168][ T5542] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 65.822609][ T5553] IPVS: ftp: loaded support on port[0] = 21 [ 66.001979][ T5559] IPVS: ftp: loaded support on port[0] = 21 [ 66.102229][ T5565] IPVS: ftp: loaded support on port[0] = 21 [ 66.190549][ T5570] IPVS: ftp: loaded support on port[0] = 21 [ 66.269990][ T5575] IPVS: ftp: loaded support on port[0] = 21 [ 66.321285][ T3029] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.336653][ T3029] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.343428][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.352244][ T3025] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.359211][ T3025] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.366257][ T3029] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.514743][ T5585] IPVS: ftp: loaded support on port[0] = 21 [ 66.658661][ T5590] IPVS: ftp: loaded support on port[0] = 21 [ 66.771375][ T5595] IPVS: ftp: loaded support on port[0] = 21 [ 66.861142][ T5600] IPVS: ftp: loaded support on port[0] = 21 [ 66.959514][ T5605] IPVS: ftp: loaded support on port[0] = 21 [ 67.032034][ T5610] IPVS: ftp: loaded support on port[0] = 21 [ 67.172336][ T5618] IPVS: ftp: loaded support on port[0] = 21 [ 67.178115][ T5610] syz-executor (5610) used greatest stack depth: 24144 bytes left [ 67.261720][ T5618] chnl_net:caif_netlink_parms(): no params data found [ 67.293424][ T5618] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.299486][ T5618] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.306304][ T5618] device bridge_slave_0 entered promiscuous mode [ 67.312762][ T5618] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.319296][ T5618] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.325930][ T5618] device bridge_slave_1 entered promiscuous mode [ 67.343368][ T5618] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.352188][ T5618] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.372266][ T5618] team0: Port device team_slave_0 added [ 67.378122][ T5618] team0: Port device team_slave_1 added [ 67.394704][ T5618] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.400411][ T5618] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 67.421981][ T5618] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.436115][ T5618] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.441819][ T5618] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 67.465161][ T5618] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.490487][ T5618] device hsr_slave_0 entered promiscuous mode [ 67.496044][ T5618] device hsr_slave_1 entered promiscuous mode [ 67.562544][ T5618] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.569902][ T5618] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.577322][ T5618] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.588278][ T5618] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.627040][ T5618] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.650862][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 67.659882][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.668876][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.678299][ T5618] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.696904][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.706412][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.713355][ T3025] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.719917][ T3025] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.737997][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.746170][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.753255][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.761424][ T3025] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.767981][ T3025] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.776501][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.789834][ T5618] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.801676][ T5618] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.811910][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.819404][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.826626][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.833692][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.844888][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.896486][ T3027] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.902785][ T3027] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.913137][ T5618] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.926115][ T3027] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.939812][ T5618] device veth0_vlan entered promiscuous mode [ 67.946170][ T3027] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.953459][ T3027] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.960715][ T3027] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.970061][ T5618] device veth1_vlan entered promiscuous mode [ 67.976977][ T3027] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.992070][ T5618] device veth0_macvtap entered promiscuous mode [ 67.998994][ T3027] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.006989][ T3027] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 68.014090][ T3027] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 68.022742][ T5618] device veth1_macvtap entered promiscuous mode [ 68.035409][ T5618] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.042220][ T3027] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.052325][ T5618] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.060379][ T3027] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.069464][ T5618] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.077570][ T5618] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.087228][ T5618] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.094986][ T5618] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.108021][ T3027] ================================================================================ [ 68.115942][ T3027] UBSAN: signed-integer-overflow in ./arch/x86/include/asm/atomic.h:165:11 [ 68.123034][ T3027] 1282323313 + 2084770655 cannot be represented in type 'int' [ 68.130978][ T3027] CPU: 0 PID: 3027 Comm: kworker/u2:5 Not tainted syzkaller #0 [ 68.137549][ T3027] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.146666][ T3027] Workqueue: wg-kex-wg0 wg_packet_handshake_send_worker [ 68.152603][ T3027] Call Trace: [ 68.155328][ T3027] dump_stack+0xfd/0x16e [ 68.158916][ T3027] ubsan_epilogue+0xa/0x30 [ 68.162641][ T3027] handle_overflow+0x192/0x1b0 [ 68.166622][ T3027] ? prandom_u32+0x217/0x260 [ 68.170495][ T3027] ip_idents_reserve+0x14a/0x170 [ 68.174600][ T3027] __ip_select_ident+0xe4/0x1c0 [ 68.178693][ T3027] iptunnel_xmit+0x468/0x850 [ 68.182482][ T3027] udp_tunnel_xmit_skb+0x1ba/0x290 [ 68.186731][ T3027] send4+0x5d4/0xaf0 [ 68.189985][ T3027] wg_socket_send_skb_to_peer+0xcd/0x1c0 [ 68.194732][ T3027] wg_packet_handshake_send_worker+0x16b/0x280 [ 68.200781][ T3027] process_one_work+0x85e/0xff0 [ 68.204929][ T3027] worker_thread+0xa9b/0x1430 [ 68.208868][ T3027] ? rcu_lock_release+0x20/0x20 [ 68.212846][ T3027] kthread+0x386/0x410 [ 68.216206][ T3027] ? rcu_lock_release+0x20/0x20 [ 68.220336][ T3027] ? kthread_blkcg+0xd0/0xd0 [ 68.224057][ T3027] ret_from_fork+0x1f/0x30 [ 68.227707][ T3027] ================================================================================ [ 68.235718][ T3027] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 68.242148][ T3027] CPU: 0 PID: 3027 Comm: kworker/u2:5 Not tainted syzkaller #0 [ 68.248871][ T3027] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.258217][ T3027] Workqueue: wg-kex-wg0 wg_packet_handshake_send_worker [ 68.264036][ T3027] Call Trace: [ 68.266727][ T3027] dump_stack+0xfd/0x16e [ 68.270510][ T3027] panic+0x2f0/0x9c0 [ 68.273874][ T3027] check_panic_on_warn+0x95/0xe0 [ 68.277943][ T3027] handle_overflow+0x192/0x1b0 [ 68.281940][ T3027] ? prandom_u32+0x217/0x260 [ 68.285754][ T3027] ip_idents_reserve+0x14a/0x170 [ 68.289821][ T3027] __ip_select_ident+0xe4/0x1c0 [ 68.293511][ T3027] iptunnel_xmit+0x468/0x850 [ 68.297020][ T3027] udp_tunnel_xmit_skb+0x1ba/0x290 [ 68.301331][ T3027] send4+0x5d4/0xaf0 [ 68.304697][ T3027] wg_socket_send_skb_to_peer+0xcd/0x1c0 [ 68.309587][ T3027] wg_packet_handshake_send_worker+0x16b/0x280 [ 68.314737][ T3027] process_one_work+0x85e/0xff0 [ 68.318718][ T3027] worker_thread+0xa9b/0x1430 [ 68.322372][ T3027] ? rcu_lock_release+0x20/0x20 [ 68.326207][ T3027] kthread+0x386/0x410 [ 68.329499][ T3027] ? rcu_lock_release+0x20/0x20 [ 68.333489][ T3027] ? kthread_blkcg+0xd0/0xd0 [ 68.337061][ T3027] ret_from_fork+0x1f/0x30 [ 68.340939][ T3027] Kernel Offset: disabled [ 68.344406][ T3027] Rebooting in 86400 seconds.. VM DIAGNOSIS: 07:07:22 Registers: info registers vcpu 0 CPU#0 RAX=1ffffffff2c32060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000020 RSP=ffffc90000a1f488 R8 =dffffc0000000000 R9 =fffff52000143e9e R10=fffff52000143e9e R11=ffffffff83f95e70 R12=dffffc0000000000 R13=1ffffffff2ad4c63 R14=ffffffff961903c0 R15=0000000000000000 RIP=ffffffff83f95ee3 RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000000000000000 ffffffff 00c00000 GS =0000 ffff888020600000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc76d01b6b0 CR3=000000003bbb8000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 Opmask00=0000000040410888 Opmask01=0000000000000fff Opmask02=00000000ffffffef Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 4fbe43ac9f8dee1f 13ce8330a1ae1a97 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 72ec250c5763c9fd 529fd701c037efee ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 c1f3a78accefb53d 505a38d2fce3eab4 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 5c4df8ddb4770ea3 dbe5344bbf7daa56 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000000ffffffff 00000000000000b4 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000034 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 a077df95440950b9 0c00cc7265aa82be ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 d81ebb973342967d 0000000000000000 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 8efeaa65cdb9a13e d150fd9eae3be657 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ddc10fdc00000000 e4660e17edb0aedd ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 a0e979bdc8075c8b a5c0b2d4b44f4d4b ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 345505ce4c1a3a43 40c8945a3b014bfb ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 a54ff53a3c6ef372 bb67ae856a09e667 ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 5be0cd191f83d9ab 9b05688c510e527f ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2525252525252525 2525252525252525 2525252525252525 2525252525252525 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 00306e6170737265 0030657267367069 00306c6e74367069 00306974765f3670 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6900306974765f70 6900306c6e757400 3074697300326777 0031677700306777 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 syzkaller build log: go env (err=) AR='ar' CC='gcc' CGO_CFLAGS='-O2 -g' CGO_CPPFLAGS='' CGO_CXXFLAGS='-O2 -g' CGO_ENABLED='1' CGO_FFLAGS='-O2 -g' CGO_LDFLAGS='-O2 -g' CXX='g++' GCCGO='gccgo' GO111MODULE='auto' GOAMD64='v1' GOARCH='amd64' GOAUTH='netrc' GOBIN='' GOCACHE='/syzkaller/.cache/go-build' GOCACHEPROG='' GODEBUG='' GOENV='/syzkaller/.config/go/env' GOEXE='' GOEXPERIMENT='' GOFIPS140='off' GOFLAGS='' GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build2361257849=/tmp/go-build -gno-record-gcc-switches' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod' GOMODCACHE='/syzkaller/jobs/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs/linux/gopath' GOPRIVATE='' GOPROXY='https://proxy.golang.org,direct' GOROOT='/usr/local/go' GOSUMDB='sum.golang.org' GOTELEMETRY='local' GOTELEMETRYDIR='/syzkaller/.config/go/telemetry' GOTMPDIR='' GOTOOLCHAIN='auto' GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64' GOVCS='' GOVERSION='go1.24.4' GOWORK='' PKG_CONFIG='pkg-config' git status (err=) HEAD detached at c0460fcde70 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/contributing.md#using-syz-env go list -f '{{.Stale}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=c0460fcde7051a8d07612ec2a17718d3c3019bb0 -X github.com/google/syzkaller/prog.gitRevisionDate=20251022-142038" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=c0460fcde7051a8d07612ec2a17718d3c3019bb0 -X github.com/google/syzkaller/prog.gitRevisionDate=20251022-142038" ./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/contributing.md#using-syz-env bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=c0460fcde7051a8d07612ec2a17718d3c3019bb0 -X github.com/google/syzkaller/prog.gitRevisionDate=20251022-142038" -o ./bin/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 -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -std=c++17 -I. -Iexecutor/_include -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"c0460fcde7051a8d07612ec2a17718d3c3019bb0\" /usr/bin/ld: /tmp/ccCE9RT8.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x104): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking ./tools/check-syzos.sh 2>/dev/null