syzkaller login: [ 95.073444][ T2048] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 95.079621][ T2048] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 95.093342][ T2048] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:45559' (ECDSA) to the list of known hosts. 1970/01/01 00:02:07 fuzzer started 1970/01/01 00:02:12 connecting to host at localhost:46025 1970/01/01 00:02:12 checking machine... 1970/01/01 00:02:12 checking revisions... 1970/01/01 00:02:14 testing simple program... [ 135.697877][ T2208] cgroup: Unknown subsys name 'net' executing program [ 136.253789][ T2208] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 142.629312][ T2211] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 142.659229][ T2211] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link executing program [ 145.393275][ T2211] device hsr_slave_0 entered promiscuous mode [ 145.449589][ T2211] device hsr_slave_1 entered promiscuous mode [ 147.247771][ T2211] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 147.339504][ T2211] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 147.438389][ T2211] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 147.519355][ T2211] netdevsim netdevsim0 netdevsim3: renamed from eth3 executing program [ 149.673800][ T2211] 8021q: adding VLAN 0 to HW filter on device bond0 [ 149.824850][ T2522] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 149.855899][ T2522] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 151.044849][ T888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 151.049484][ T888] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready executing program [ 151.119305][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 151.139790][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 151.197476][ T888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 151.277452][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 151.482645][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 151.489095][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 151.584186][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 151.589412][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 151.626064][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 152.655686][ T91] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 152.657691][ T91] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready executing program [ 155.444621][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 155.450008][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 156.776051][ T91] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 156.793326][ T91] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 156.815159][ T91] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 156.833220][ T91] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 156.869251][ T2211] device veth0_vlan entered promiscuous mode [ 156.989412][ T2211] device veth1_vlan entered promiscuous mode executing program [ 157.237303][ T91] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 157.249981][ T91] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 157.334688][ T2211] device veth0_macvtap entered promiscuous mode [ 157.386554][ T2211] device veth1_macvtap entered promiscuous mode [ 157.536116][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 157.553035][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 157.562610][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 157.568566][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 157.683178][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 157.703423][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 157.768486][ T2211] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 157.769772][ T2211] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 157.770301][ T2211] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 157.770812][ T2211] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.173461][ C1] ------------[ cut here ]------------ [ 158.175392][ C1] WARNING: CPU: 1 PID: 27 at include/linux/cpumask.h:110 wg_cpumask_next_online+0x1c0/0x2c0 [ 158.178860][ C1] Modules linked in: [ 158.179762][ C1] CPU: 1 PID: 27 Comm: kworker/u4:1 Tainted: G W 6.0.0-syzkaller-11414-g49da07006239 #0 [ 158.180724][ C1] Hardware name: linux,dummy-virt (DT) [ 158.182747][ C1] Workqueue: wg-kex-wg2 wg_packet_handshake_send_worker [ 158.185070][ C1] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 158.185528][ C1] pc : wg_cpumask_next_online+0x1c0/0x2c0 [ 158.185897][ C1] lr : wg_packet_receive+0x978/0x1560 [ 158.186239][ C1] sp : ffff800010ab7480 [ 158.186529][ C1] x29: ffff800010ab7480 x28: 0000000000000001 x27: 1fffe0000143a219 [ 158.187082][ C1] x26: 0000000000000000 x25: ffff80000de5c000 x24: 0000000000000000 [ 158.187646][ C1] x23: 0000000000000003 x22: ffff80000de5cb68 x21: 0000000000000001 [ 158.189434][ C1] x20: ffff00000a1d10c8 x19: ffff80000de5cd50 x18: ffff00006a9eab88 [ 158.190426][ C1] x17: ffff80005cbe4000 x16: ffff800010ab8000 x15: ffff0000105e4b68 [ 158.193029][ C1] x14: 1ffff00002156e68 x13: 0000000000000000 x12: ffff60000143a291 [ 158.193850][ C1] x11: 1fffe0000143a290 x10: ffff60000143a290 x9 : dfff800000000000 [ 158.194461][ C1] x8 : ffff00000a1d1483 x7 : 00009ffffebc5d70 x6 : 0000000000000001 [ 158.195063][ C1] x5 : ffff00000a1d1480 x4 : ffff700001bcb9aa x3 : dfff800000000000 [ 158.195680][ C1] x2 : 0000000000000002 x1 : 0000000000000002 x0 : 0000000000000001 [ 158.196312][ C1] Call trace: [ 158.197175][ C1] wg_cpumask_next_online+0x1c0/0x2c0 [ 158.198389][ C1] wg_packet_receive+0x978/0x1560 [ 158.199505][ C1] wg_receive+0x58/0xb0 [ 158.200507][ C1] udpv6_queue_rcv_one_skb+0x8f4/0x17c0 [ 158.202351][ C1] udpv6_queue_rcv_skb+0x134/0x7e0 [ 158.202704][ C1] udp6_unicast_rcv_skb+0xe8/0x270 [ 158.203172][ C1] __udp6_lib_rcv+0x8a4/0x2330 [ 158.203507][ C1] udpv6_rcv+0x1c/0x2c [ 158.203859][ C1] ip6_protocol_deliver_rcu+0x154/0x14f0 [ 158.204232][ C1] ip6_input_finish+0x108/0x220 [ 158.204585][ C1] ip6_input+0xbc/0x2b0 [ 158.204924][ C1] ipv6_rcv+0x39c/0x47c [ 158.205256][ C1] __netif_receive_skb_one_core+0xf4/0x170 [ 158.205630][ C1] __netif_receive_skb+0x24/0x184 [ 158.205966][ C1] process_backlog+0x24c/0x6b0 [ 158.206290][ C1] __napi_poll+0x94/0x3a4 [ 158.206615][ C1] net_rx_action+0x78c/0xb60 [ 158.206941][ C1] _stext+0x28c/0x107c [ 158.207274][ C1] ____do_softirq+0x10/0x20 [ 158.207612][ C1] call_on_irq_stack+0x2c/0x54 [ 158.207981][ C1] do_softirq_own_stack+0x1c/0x30 [ 158.208324][ C1] do_softirq.part.0+0xd0/0xf4 [ 158.208659][ C1] __local_bh_enable_ip+0x50c/0x5d0 [ 158.209004][ C1] _raw_read_unlock_bh+0x54/0x64 [ 158.209389][ C1] wg_socket_send_skb_to_peer+0xf0/0x190 [ 158.209756][ C1] wg_socket_send_buffer_to_peer+0x110/0x160 [ 158.210125][ C1] wg_packet_send_handshake_initiation+0x1a8/0x274 [ 158.210493][ C1] wg_packet_handshake_send_worker+0x1c/0x34 [ 158.210958][ C1] process_one_work+0x780/0x184c [ 158.212383][ C1] worker_thread+0x3cc/0xc40 [ 158.213775][ C1] kthread+0x23c/0x2a0 [ 158.214753][ C1] ret_from_fork+0x10/0x20 [ 158.215757][ C1] irq event stamp: 142873 [ 158.216713][ C1] hardirqs last enabled at (142872): [] __local_bh_enable_ip+0x1e4/0x5d0 [ 158.218014][ C1] hardirqs last disabled at (142873): [] el1_dbg+0x24/0x80 [ 158.219781][ C1] softirqs last enabled at (142858): [] wg_socket_send_skb_to_peer+0xf0/0x190 [ 158.222271][ C1] softirqs last disabled at (142859): [] ____do_softirq+0x10/0x20 [ 158.223359][ C1] ---[ end trace 0000000000000000 ]--- [ 158.268889][ T91] ------------[ cut here ]------------ [ 158.270818][ T91] WARNING: CPU: 1 PID: 91 at include/linux/cpumask.h:110 wg_packet_send_staged_packets+0xe38/0x1380 [ 158.272459][ T91] Modules linked in: [ 158.272851][ T91] CPU: 1 PID: 91 Comm: kworker/1:2 Tainted: G W 6.0.0-syzkaller-11414-g49da07006239 #0 [ 158.273365][ T91] Hardware name: linux,dummy-virt (DT) [ 158.273710][ T91] Workqueue: wg-kex-wg2 wg_packet_handshake_receive_worker [ 158.274155][ T91] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 158.274564][ T91] pc : wg_packet_send_staged_packets+0xe38/0x1380 [ 158.274921][ T91] lr : wg_packet_send_staged_packets+0x524/0x1380 [ 158.275298][ T91] sp : ffff800011047800 [ 158.275587][ T91] x29: ffff800011047800 x28: ffff0000140c2800 x27: 0000000000000001 [ 158.276662][ T91] x26: 0000000000000001 x25: 0000000000000002 x24: 1fffe0000259ac06 [ 158.277372][ T91] x23: ffff000012cd6028 x22: ffff80000de5cd50 x21: ffff00000f8b2ee0 [ 158.278063][ T91] x20: ffff000012cd6000 x19: ffff00000e380c40 x18: 00000000821aa339 [ 158.278697][ T91] x17: 000000009e9b3a22 x16: 00000000949f5fa5 x15: 0000000000000000 [ 158.279324][ T91] x14: 1ffff00002208ece x13: 0000000000000000 x12: ffff600001f165de [ 158.279961][ T91] x11: ffff700001bcb9aa x10: dfff800000000000 x9 : 0000000000000003 [ 158.280589][ T91] x8 : ffff80000de5c000 x7 : 1fffe00001c701b9 x6 : 0000000000000000 [ 158.281525][ T91] x5 : ffff00000e380dc8 x4 : ffff80000de5cb68 x3 : ffff800009f2b1f4 [ 158.282155][ T91] x2 : 0000000000000002 x1 : 0000000000000002 x0 : 0000000000000001 [ 158.282774][ T91] Call trace: [ 158.283111][ T91] wg_packet_send_staged_packets+0xe38/0x1380 [ 158.283533][ T91] wg_packet_send_keepalive+0x40/0x2a0 [ 158.283942][ T91] wg_receive_handshake_packet+0x2c8/0x7c0 [ 158.284345][ T91] wg_packet_handshake_receive_worker+0xd8/0x2ec [ 158.284721][ T91] process_one_work+0x780/0x184c [ 158.285080][ T91] worker_thread+0x3cc/0xc40 [ 158.285437][ T91] kthread+0x23c/0x2a0 [ 158.285785][ T91] ret_from_fork+0x10/0x20 [ 158.286136][ T91] irq event stamp: 47569 [ 158.286464][ T91] hardirqs last enabled at (47567): [] seqcount_lockdep_reader_access.constprop.0+0xc4/0xe0 [ 158.286947][ T91] hardirqs last disabled at (47569): [] el1_dbg+0x24/0x80 [ 158.288724][ T91] softirqs last enabled at (47564): [] wg_packet_send_staged_packets+0x20c/0x1380 [ 158.290816][ T91] softirqs last disabled at (47568): [] wg_packet_send_staged_packets+0x460/0x1380 [ 158.291380][ T91] ---[ end trace 0000000000000000 ]--- executing program 1970/01/01 00:02:39 building call list... [ 160.718590][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 161.148770][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 161.506044][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 161.852908][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 165.221965][ T9] device hsr_slave_0 left promiscuous mode [ 165.285437][ T9] device hsr_slave_1 left promiscuous mode [ 165.456531][ T9] device veth1_macvtap left promiscuous mode [ 165.459842][ T9] device veth0_macvtap left promiscuous mode [ 165.486056][ T9] device veth1_vlan left promiscuous mode [ 165.488680][ T9] device veth0_vlan left promiscuous mode executing program executing program [ 169.240331][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 169.406963][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 170.172982][ T9] bond0 (unregistering): Released all slaves executing program executing program executing program executing program executing program [ 186.953399][ T2202] can: request_module (can-proto-0) failed. executing program [ 187.239271][ T2202] can: request_module (can-proto-0) failed. [ 187.424660][ T2202] can: request_module (can-proto-0) failed. VM DIAGNOSIS: 05:04:20 Registers: info registers vcpu 0 PC=ffff800009146ef8 X00=dfff800000000000 X01=0000000000000000 X02=0000000000000003 X03=1fffe00001563369 X04=00000000f204f1f1 X05=ffff7000021e6f3c X06=dfff800000000000 X07=00000000f1f1f1f1 X08=ffff00000ab1a570 X09=ffff80000f3d3a00 X10=ffff00000ab1a50c X11=0000000000000007 X12=1fffe000015634a1 X13=1fffe000015634b8 X14=1ffff000021e6f14 X15=ffff00006a9eabc4 X16=ffff800008008000 X17=ffff80005cbc5000 X18=ffff00006a9eab88 X19=1ffff000021e6f38 X20=ffff80000de06c48 X21=ffff00000ab1a578 X22=ffff00000ab19b40 X23=ffff80000f3d3a80 X24=ffff80000e03ca40 X25=0000000000000000 X26=ffff800010a59860 X27=dfff800000000000 X28=0000000000007e6b X29=ffff800010f379b0 X30=ffff80000c8ef670 SP=ffff800010f379e0 PSTATE=100000c5 ---V EL1h FPCR=00000000 FPSR=00000010 Q00=0000000000000000:3f8421b86cb7632e Q01=0000000000000000:3f847ae147ae147b Q02=0000000000000000:41c84cb9d4257b51 Q03=0000000000000000:415fa44800000000 Q04=0000000000000000:3f84169af092733e Q05=0000000000000000:3fd60b36f55667f6 Q06=0000000000000000:3fd3333333333333 Q07=0000000000000000:3feeb4a5ea44f7cd Q08=0000000000000000:3f9860fd1954e7e0 Q09=0000000000000000:3fe4586ebb90c994 Q10=0000000000000000:3fe0000000000000 Q11=0000000000000000:3f7f8bb6ed2b2acf Q12=0000000000000000:d57f25491aba2954 Q13=0000000000000000:f253c5c4daf4b962 Q14=0000000000000000:37ca1cf4665e62fb Q15=0000000000000000:0e65e1d63b021bf4 Q16=0000000000000000:0000000000000000 Q17=0000000000000000:0000000000000000 Q18=0000000000000000:0000000000000000 Q19=0000000000000000:0000000000000000 Q20=0000000000000000:0000000000000000 Q21=0000000000000000:0000000000000000 Q22=0000000000000000:0000000000000000 Q23=0000000000000000:0000000000000000 Q24=0000000000000000:0000000000000000 Q25=0000000000000000:0000000000000000 Q26=0000000000000000:0000000000000000 Q27=0000000000000000:0000000000000000 Q28=0000000000000000:0000000000000000 Q29=0000000000000000:0000000000000000 Q30=0000000000000006:0000000064d596b1 Q31=0000000000000000:0000000000000000 info registers vcpu 1 PC=ffff8000096ae000 X00=0000000000000002 X01=0000000000000000 X02=0000000000000002 X03=1fffe0000135662e X04=0000000000000000 X05=0000000000000002 X06=1fffe0000135662e X07=0000000000000030 X08=ffff800010ab69f3 X09=dfff800000000000 X10=ffff700002156d3e X11=1ffff00002156d3e X12=ffff700002156d3f X13=0000000000000000 X14=1ffff00002156d14 X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=ffff00006a9eab88 X19=ffff000009ab3080 X20=ffff80000e5737a0 X21=ffff800010aad000 X22=000000000000005b X23=dfff800000000000 X24=ffff8000107777dc X25=0000000000000000 X26=ffff000009ab3080 X27=dfff800000000000 X28=000000000000003c X29=ffff800010ab69d0 X30=ffff8000096adf90 SP=ffff800010ab69d0 PSTATE=800003c5 N--- EL1h FPCR=00000000 FPSR=00000000 Q00=0000000000000000:0000000000000000 Q01=0000000000000000:0000000000000000 Q02=0000000000000000:0000000000000000 Q03=0000000000000000:0000000000000000 Q04=0000000000000000:0000000000000000 Q05=0000000000000000:0000000000000000 Q06=0000000000000000:0000000000000000 Q07=0000000000000000:0000000000000000 Q08=0000000000000000:0000000000000000 Q09=0000000000000000:0000000000000000 Q10=0000000000000000:0000000000000000 Q11=0000000000000000:0000000000000000 Q12=0000000000000000:0000000000000000 Q13=0000000000000000:0000000000000000 Q14=0000000000000000:0000000000000000 Q15=0000000000000000:0000000000000000 Q16=0000000000000000:0000000000000000 Q17=0000000000000000:0000000000000000 Q18=0000000000000000:0000000000000000 Q19=0000000000000000:0000000000000000 Q20=0000000000000000:0000000000000000 Q21=0000000000000000:0000000000000000 Q22=0000000000000000:0000000000000000 Q23=0000000000000000:0000000000000000 Q24=0000000000000000:0000000000000000 Q25=0000000000000000:0000000000000000 Q26=0000000000000000:0000000000000000 Q27=0000000000000000:0000000000000000 Q28=0000000000000000:0000000000000000 Q29=0000000000000000:0000000000000000 Q30=0000000000000000:0000000000000000 Q31=0000000000000000:0000000000000000