syzkaller login: [ 87.726604][ T2050] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 87.743315][ T2050] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 87.755984][ T2050] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:46993' (ECDSA) to the list of known hosts. 1970/01/01 00:02:11 fuzzer started 1970/01/01 00:02:15 connecting to host at localhost:45989 1970/01/01 00:02:15 checking machine... 1970/01/01 00:02:15 checking revisions... 1970/01/01 00:02:17 testing simple program... [ 138.028201][ T2210] cgroup: Unknown subsys name 'net' [ 138.501432][ T2210] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 143.882608][ T2213] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 143.911482][ T2213] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link executing program [ 146.084610][ T2213] device hsr_slave_0 entered promiscuous mode [ 146.185927][ T2213] device hsr_slave_1 entered promiscuous mode [ 147.738188][ T2213] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 147.827184][ T2213] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 147.892411][ T2213] netdevsim netdevsim0 netdevsim2: renamed from eth2 executing program [ 147.965004][ T2213] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 149.573064][ T2213] 8021q: adding VLAN 0 to HW filter on device bond0 [ 149.630731][ T91] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 149.639187][ T91] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 150.501129][ T91] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 150.507715][ T91] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 150.545751][ T888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 150.555488][ T888] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 150.608851][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 150.667042][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 150.814840][ T888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 150.818664][ T888] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 150.887959][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 150.894903][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready executing program [ 150.966663][ T2213] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 151.881592][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 151.883201][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready executing program [ 153.942913][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 153.948548][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 155.144267][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 155.163296][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 155.191302][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 155.197226][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 155.226856][ T2213] device veth0_vlan entered promiscuous mode [ 155.325760][ T2213] device veth1_vlan entered promiscuous mode [ 155.521196][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 155.526946][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 155.566646][ T2213] device veth0_macvtap entered promiscuous mode [ 155.615640][ T2213] device veth1_macvtap entered promiscuous mode [ 155.758478][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 155.768209][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 155.784681][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 155.794489][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 155.858827][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 155.867990][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 155.910790][ T2213] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 155.912817][ T2213] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 155.913400][ T2213] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 155.913924][ T2213] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 156.178621][ C1] ------------[ cut here ]------------ [ 156.180026][ C1] WARNING: CPU: 1 PID: 51 at include/linux/cpumask.h:110 wg_cpumask_next_online+0x1c0/0x2c0 [ 156.180647][ C1] Modules linked in: [ 156.181015][ C1] CPU: 1 PID: 51 Comm: kworker/u4:3 Tainted: G W 6.0.0-syzkaller-10822-g60bb8154d1d7 #0 [ 156.181437][ C1] Hardware name: linux,dummy-virt (DT) [ 156.182005][ C1] Workqueue: wg-kex-wg2 wg_packet_handshake_send_worker [ 156.182424][ C1] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 156.182669][ C1] pc : wg_cpumask_next_online+0x1c0/0x2c0 [ 156.183335][ C1] lr : wg_packet_receive+0x978/0x1560 [ 156.184455][ C1] sp : ffff800010ab7480 [ 156.185153][ C1] x29: ffff800010ab7480 x28: 0000000000000001 x27: 1fffe00001d1c219 [ 156.185731][ C1] x26: 0000000000000000 x25: ffff80000de5c000 x24: 0000000000000000 [ 156.186166][ C1] x23: 0000000000000003 x22: ffff80000de5cb68 x21: 0000000000000001 [ 156.186608][ C1] x20: ffff00000e8e10c8 x19: ffff80000de5cd50 x18: 000000002d414508 [ 156.187025][ C1] x17: ffff80005cbe4000 x16: ffff800010ab8000 x15: ffff0000153a23e8 [ 156.187482][ C1] x14: 1ffff00002156e68 x13: 0000000000000000 x12: ffff600001d1c291 [ 156.187939][ C1] x11: 1fffe00001d1c290 x10: ffff600001d1c290 x9 : dfff800000000000 [ 156.188378][ C1] x8 : ffff00000e8e1483 x7 : 00009ffffe2e3d70 x6 : 0000000000000001 [ 156.188816][ C1] x5 : ffff00000e8e1480 x4 : ffff700001bcb9aa x3 : dfff800000000000 [ 156.189409][ C1] x2 : 0000000000000002 x1 : 0000000000000002 x0 : 0000000000000001 [ 156.190090][ C1] Call trace: [ 156.190372][ C1] wg_cpumask_next_online+0x1c0/0x2c0 [ 156.190737][ C1] wg_packet_receive+0x978/0x1560 [ 156.191110][ C1] wg_receive+0x58/0xb0 [ 156.191419][ C1] udpv6_queue_rcv_one_skb+0x8f4/0x17c0 [ 156.191815][ C1] udpv6_queue_rcv_skb+0x134/0x7e0 [ 156.192144][ C1] udp6_unicast_rcv_skb+0xe8/0x270 [ 156.192457][ C1] __udp6_lib_rcv+0x8a4/0x2330 [ 156.192795][ C1] udpv6_rcv+0x1c/0x2c [ 156.193049][ C1] ip6_protocol_deliver_rcu+0x154/0x14f0 [ 156.193306][ C1] ip6_input_finish+0x108/0x220 [ 156.193530][ C1] ip6_input+0xbc/0x2b0 [ 156.193764][ C1] ipv6_rcv+0x39c/0x47c [ 156.194073][ C1] __netif_receive_skb_one_core+0xf4/0x170 [ 156.194411][ C1] __netif_receive_skb+0x24/0x184 [ 156.194694][ C1] process_backlog+0x24c/0x6b0 [ 156.194945][ C1] __napi_poll+0x94/0x3a4 [ 156.195154][ C1] net_rx_action+0x78c/0xb60 [ 156.195376][ C1] _stext+0x28c/0x107c [ 156.195587][ C1] ____do_softirq+0x10/0x20 [ 156.195838][ C1] call_on_irq_stack+0x2c/0x54 [ 156.196072][ C1] do_softirq_own_stack+0x1c/0x30 [ 156.196320][ C1] do_softirq.part.0+0xd0/0xf4 [ 156.196553][ C1] __local_bh_enable_ip+0x50c/0x5d0 [ 156.196800][ C1] _raw_read_unlock_bh+0x54/0x64 [ 156.197061][ C1] wg_socket_send_skb_to_peer+0xf0/0x190 [ 156.197368][ C1] wg_socket_send_buffer_to_peer+0x110/0x160 [ 156.197682][ C1] wg_packet_send_handshake_initiation+0x1a8/0x274 [ 156.197986][ C1] wg_packet_handshake_send_worker+0x1c/0x34 [ 156.198270][ C1] process_one_work+0x780/0x184c [ 156.198539][ C1] worker_thread+0x3cc/0xc40 [ 156.198808][ C1] kthread+0x23c/0x2a0 [ 156.199063][ C1] ret_from_fork+0x10/0x20 [ 156.199494][ C1] irq event stamp: 87221 [ 156.199792][ C1] hardirqs last enabled at (87220): [] __local_bh_enable_ip+0x1e4/0x5d0 [ 156.200251][ C1] hardirqs last disabled at (87221): [] el1_dbg+0x24/0x80 [ 156.200598][ C1] softirqs last enabled at (87212): [] wg_socket_send_skb_to_peer+0xf0/0x190 [ 156.200964][ C1] softirqs last disabled at (87213): [] ____do_softirq+0x10/0x20 [ 156.201324][ C1] ---[ end trace 0000000000000000 ]--- [ 156.243337][ T2552] ------------[ cut here ]------------ [ 156.244512][ T2552] WARNING: CPU: 1 PID: 2552 at include/linux/cpumask.h:110 wg_packet_send_staged_packets+0xe38/0x1380 [ 156.244942][ T2552] Modules linked in: [ 156.245240][ T2552] CPU: 1 PID: 2552 Comm: kworker/1:3 Tainted: G W 6.0.0-syzkaller-10822-g60bb8154d1d7 #0 [ 156.245607][ T2552] Hardware name: linux,dummy-virt (DT) [ 156.245895][ T2552] Workqueue: wg-kex-wg2 wg_packet_handshake_receive_worker [ 156.246242][ T2552] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 156.246553][ T2552] pc : wg_packet_send_staged_packets+0xe38/0x1380 [ 156.246863][ T2552] lr : wg_packet_send_staged_packets+0x524/0x1380 [ 156.247159][ T2552] sp : ffff800011917800 [ 156.247396][ T2552] x29: ffff800011917800 x28: ffff0000134c8c00 x27: 0000000000000001 [ 156.247880][ T2552] x26: 0000000000000001 x25: 0000000000000002 x24: 1fffe00002a7411e [ 156.248253][ T2552] x23: ffff0000153a08e8 x22: ffff80000de5cd50 x21: ffff000012ff2ee0 [ 156.248694][ T2552] x20: ffff0000153a08c0 x19: ffff00000e8e4c40 x18: 00000000c4e7d403 [ 156.249093][ T2552] x17: 0000000001d59602 x16: 00000000105efb93 x15: 0000000000000000 [ 156.249556][ T2552] x14: 1ffff00002322ece x13: 0000000000000000 x12: ffff6000025fe5de [ 156.249995][ T2552] x11: ffff700001bcb9aa x10: dfff800000000000 x9 : 0000000000000003 [ 156.250408][ T2552] x8 : ffff80000de5c000 x7 : 1fffe00001d1c9b9 x6 : 0000000000000000 [ 156.250920][ T2552] x5 : ffff00000e8e4dc8 x4 : ffff80000de5cb68 x3 : ffff800009f2ac94 [ 156.251424][ T2552] x2 : 0000000000000002 x1 : 0000000000000002 x0 : 0000000000000001 [ 156.251856][ T2552] Call trace: [ 156.252074][ T2552] wg_packet_send_staged_packets+0xe38/0x1380 [ 156.252367][ T2552] wg_packet_send_keepalive+0x40/0x2a0 [ 156.252624][ T2552] wg_receive_handshake_packet+0x2c8/0x7c0 [ 156.252936][ T2552] wg_packet_handshake_receive_worker+0xd8/0x2ec [ 156.253231][ T2552] process_one_work+0x780/0x184c [ 156.253561][ T2552] worker_thread+0x3cc/0xc40 [ 156.253844][ T2552] kthread+0x23c/0x2a0 [ 156.254116][ T2552] ret_from_fork+0x10/0x20 [ 156.254373][ T2552] irq event stamp: 227 [ 156.254602][ T2552] hardirqs last enabled at (225): [] seqcount_lockdep_reader_access.constprop.0+0xc4/0xe0 [ 156.255076][ T2552] hardirqs last disabled at (227): [] el1_dbg+0x24/0x80 [ 156.255430][ T2552] softirqs last enabled at (222): [] wg_packet_send_staged_packets+0x20c/0x1380 [ 156.255917][ T2552] softirqs last disabled at (226): [] wg_packet_send_staged_packets+0x460/0x1380 [ 156.256297][ T2552] ---[ end trace 0000000000000000 ]--- executing program 1970/01/01 00:02:37 building call list... [ 157.865799][ T51] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 158.254721][ T51] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 158.546920][ T51] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 158.813156][ T51] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 162.352610][ T51] device hsr_slave_0 left promiscuous mode [ 162.422872][ T51] device hsr_slave_1 left promiscuous mode [ 162.590142][ T51] device veth1_macvtap left promiscuous mode [ 162.593831][ T51] device veth0_macvtap left promiscuous mode [ 162.603497][ T51] device veth1_vlan left promiscuous mode [ 162.605586][ T51] device veth0_vlan left promiscuous mode executing program [ 165.685091][ T51] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 165.808296][ T51] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface executing program [ 166.504639][ T51] bond0 (unregistering): Released all slaves executing program executing program executing program executing program executing program [ 183.686622][ T2576] can: request_module (can-proto-0) failed. executing program [ 183.936428][ T2576] can: request_module (can-proto-0) failed. [ 184.124301][ T2576] can: request_module (can-proto-0) failed. VM DIAGNOSIS: 14:50:40 Registers: info registers vcpu 0 PC=ffff80000829eb58 X00=ffff80000fef0d8c X01=1ffff0000201f5f9 X02=ffff80000f3d1a80 X03=0000000000000001 X04=0000000000000000 X05=ffff00000e656578 X06=0000000000000001 X07=0000000000000004 X08=ffff800010b66f83 X09=dfff800000000000 X10=ffff70000216cdf0 X11=1ffff0000216cdf0 X12=ffff600001ccacb0 X13=1ffff0000216cd44 X14=1ffff0000216cdc6 X15=ffff80000c371b28 X16=ffff80000c2a2454 X17=ffff80000c2a5ec8 X18=ffff00006a9cbb88 X19=ffff000009223680 X20=ffff80000c90e540 X21=ffff80000c90e540 X22=ffff000009223680 X23=1ffff0000216ce4a X24=ffff00000e656000 X25=ffff00000e656000 X26=ffff000015034c40 X27=1ffff0000216ce58 X28=1fffe0000296042e X29=ffff800010b67150 X30=ffff80000c2a64e4 SP=ffff800010b67000 PSTATE=100000c5 ---V 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 info registers vcpu 1 PC=ffff80000c90e500 X00=0000000000000080 X01=00000000000003c0 X02=0000000000000001 X03=ffff8000082a9950 X04=ffff700001ca351d X05=ffff80000e51a8e0 X06=0000000000000001 X07=00008ffffe35cae4 X08=ffff80000e51a8e0 X09=dfff800000000000 X10=ffff700001ca351c X11=1ffff00001ca351c X12=ffff700001ca351d X13=1fffe00001558b97 X14=1ffff00002156d16 X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=000000002d414508 X19=00000000000003c0 X20=ffff80000e51a8e0 X21=00000000000003c0 X22=0000000000000f01 X23=1fffe00001356258 X24=00000000000003c0 X25=0000000000000001 X26=ffff000009ab1080 X27=dfff800000000000 X28=ffff80000e572560 X29=ffff800010ab6a80 X30=ffff80000c90e4e8 SP=ffff800010ab6a80 PSTATE=600003c5 -ZC- 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