syzkaller login: [ 99.783712][ T2049] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 99.812861][ T2049] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 99.827254][ T2049] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:7659' (ECDSA) to the list of known hosts. 1970/01/01 00:02:10 fuzzer started 1970/01/01 00:02:14 connecting to host at localhost:41327 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... [ 138.684048][ T2209] cgroup: Unknown subsys name 'net' executing program [ 139.237035][ T2209] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 146.092435][ T2212] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 146.151020][ T2212] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link executing program [ 149.225602][ T2212] device hsr_slave_0 entered promiscuous mode [ 149.300581][ T2212] device hsr_slave_1 entered promiscuous mode executing program [ 151.040482][ T2212] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 151.148913][ T2212] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 151.249807][ T2212] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 151.340774][ T2212] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 153.415408][ T2212] 8021q: adding VLAN 0 to HW filter on device bond0 [ 153.498362][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 153.513317][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready executing program [ 154.862627][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 154.882579][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 155.005741][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 155.029776][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 155.101917][ T94] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 155.183448][ T94] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 155.392689][ T2210] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 155.419258][ T2210] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 155.474881][ T2210] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 155.483327][ T2210] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 155.565121][ T2212] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 156.691606][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 156.693619][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready executing program [ 159.535142][ T2525] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 159.554075][ T2525] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready executing program [ 160.822128][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 160.829821][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 160.872706][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 160.884005][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 160.913059][ T2212] device veth0_vlan entered promiscuous mode [ 161.026597][ T2212] device veth1_vlan entered promiscuous mode [ 161.250398][ T2210] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 161.255192][ T2210] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 161.308086][ T2212] device veth0_macvtap entered promiscuous mode [ 161.373254][ T2212] device veth1_macvtap entered promiscuous mode [ 161.522465][ T2210] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 161.531989][ T2210] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 161.548526][ T2210] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 161.553679][ T2210] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 161.650476][ T2525] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 161.658219][ T2525] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 161.702288][ T2212] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 161.703504][ T2212] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 161.703984][ T2212] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 161.704525][ T2212] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 162.031338][ C1] ------------[ cut here ]------------ [ 162.032783][ C1] WARNING: CPU: 1 PID: 49 at include/linux/cpumask.h:110 wg_cpumask_next_online+0x1c0/0x2c0 [ 162.033259][ C1] Modules linked in: [ 162.033574][ C1] CPU: 1 PID: 49 Comm: kworker/u4:2 Tainted: G W 6.0.0-syzkaller-12189-g19d17ab7c68b #0 [ 162.034002][ C1] Hardware name: linux,dummy-virt (DT) [ 162.034473][ C1] Workqueue: wg-kex-wg2 wg_packet_handshake_send_worker [ 162.034928][ C1] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 162.035313][ C1] pc : wg_cpumask_next_online+0x1c0/0x2c0 [ 162.036431][ C1] lr : wg_packet_receive+0x978/0x1560 [ 162.037707][ C1] sp : ffff800010ab7480 [ 162.038459][ C1] x29: ffff800010ab7480 x28: 0000000000000001 x27: 1fffe000015bc219 [ 162.039118][ C1] x26: 0000000000000000 x25: ffff80000de5c000 x24: 0000000000000000 [ 162.039584][ C1] x23: 0000000000000003 x22: ffff80000de5cb68 x21: 0000000000000001 [ 162.040266][ C1] x20: ffff00000ade10c8 x19: ffff80000de5cd50 x18: ffff00006a9eabc0 [ 162.040753][ C1] x17: ffff80005cbe4000 x16: ffff800010ab8000 x15: ffff000016e5fde8 [ 162.041340][ C1] x14: 1ffff00002156e68 x13: 0000000000000000 x12: ffff6000015bc291 [ 162.042043][ C1] x11: 1fffe000015bc290 x10: ffff6000015bc290 x9 : dfff800000000000 [ 162.042704][ C1] x8 : ffff00000ade1483 x7 : 00009ffffea43d70 x6 : 0000000000000001 [ 162.043320][ C1] x5 : ffff00000ade1480 x4 : ffff700001bcb9aa x3 : dfff800000000000 [ 162.043805][ C1] x2 : 0000000000000002 x1 : 0000000000000002 x0 : 0000000000000001 [ 162.044467][ C1] Call trace: [ 162.045310][ C1] wg_cpumask_next_online+0x1c0/0x2c0 [ 162.046276][ C1] wg_packet_receive+0x978/0x1560 [ 162.047759][ C1] wg_receive+0x58/0xb0 [ 162.049169][ C1] udpv6_queue_rcv_one_skb+0x8f4/0x17c0 [ 162.049500][ C1] udpv6_queue_rcv_skb+0x134/0x7e0 [ 162.049762][ C1] udp6_unicast_rcv_skb+0xe8/0x270 [ 162.050051][ C1] __udp6_lib_rcv+0x8a4/0x2330 [ 162.050411][ C1] udpv6_rcv+0x1c/0x2c [ 162.050721][ C1] ip6_protocol_deliver_rcu+0x154/0x14f0 [ 162.051043][ C1] ip6_input_finish+0x108/0x220 [ 162.051367][ C1] ip6_input+0xbc/0x2b0 [ 162.051681][ C1] ipv6_rcv+0x39c/0x47c [ 162.052048][ C1] __netif_receive_skb_one_core+0xf4/0x170 [ 162.052410][ C1] __netif_receive_skb+0x24/0x184 [ 162.052671][ C1] process_backlog+0x24c/0x6b0 [ 162.052966][ C1] __napi_poll+0x94/0x3a4 [ 162.053325][ C1] net_rx_action+0x78c/0xb60 [ 162.053625][ C1] _stext+0x28c/0x107c [ 162.053895][ C1] ____do_softirq+0x10/0x20 [ 162.054167][ C1] call_on_irq_stack+0x2c/0x54 [ 162.054481][ C1] do_softirq_own_stack+0x1c/0x30 [ 162.054845][ C1] do_softirq.part.0+0xd0/0xf4 [ 162.055137][ C1] __local_bh_enable_ip+0x50c/0x5d0 [ 162.055410][ C1] _raw_read_unlock_bh+0x54/0x64 [ 162.055689][ C1] wg_socket_send_skb_to_peer+0xf0/0x190 [ 162.056501][ C1] wg_socket_send_buffer_to_peer+0x110/0x160 [ 162.056861][ C1] wg_packet_send_handshake_initiation+0x1a8/0x274 [ 162.057456][ C1] wg_packet_handshake_send_worker+0x1c/0x34 [ 162.057852][ C1] process_one_work+0x780/0x184c [ 162.058141][ C1] worker_thread+0x3cc/0xc40 [ 162.058415][ C1] kthread+0x23c/0x2a0 [ 162.058802][ C1] ret_from_fork+0x10/0x20 [ 162.059141][ C1] irq event stamp: 28363 [ 162.059418][ C1] hardirqs last enabled at (28362): [] __local_bh_enable_ip+0x1e4/0x5d0 [ 162.059870][ C1] hardirqs last disabled at (28363): [] el1_dbg+0x24/0x80 [ 162.060234][ C1] softirqs last enabled at (28354): [] wg_socket_send_skb_to_peer+0xf0/0x190 [ 162.060662][ C1] softirqs last disabled at (28355): [] ____do_softirq+0x10/0x20 [ 162.061112][ C1] ---[ end trace 0000000000000000 ]--- [ 162.111488][ C1] ------------[ cut here ]------------ [ 162.112285][ C1] WARNING: CPU: 1 PID: 20 at include/linux/cpumask.h:110 wg_packet_send_staged_packets+0xe38/0x1380 [ 162.112856][ C1] Modules linked in: [ 162.113229][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Tainted: G W 6.0.0-syzkaller-12189-g19d17ab7c68b #0 [ 162.113781][ C1] Hardware name: linux,dummy-virt (DT) [ 162.114130][ C1] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 162.114473][ C1] pc : wg_packet_send_staged_packets+0xe38/0x1380 [ 162.114844][ C1] lr : wg_packet_send_staged_packets+0x524/0x1380 [ 162.115246][ C1] sp : ffff800010c47700 [ 162.115578][ C1] x29: ffff800010c47700 x28: ffff000013f68400 x27: 0000000000000001 [ 162.116419][ C1] x26: 0000000000000001 x25: 0000000000000002 x24: 1fffe000023432ce [ 162.117144][ C1] x23: ffff000011a19668 x22: ffff80000de5cd50 x21: ffff000015bc0960 [ 162.119756][ C1] x20: ffff000011a19640 x19: ffff00000ade0c40 x18: ffff00006a9cbbc0 [ 162.120403][ C1] x17: ffff80000b9dda80 x16: ffff8000087d9758 x15: ffff8000087d1d10 [ 162.120994][ C1] x14: 1ffff00002188eae x13: 1fffe0000125b141 x12: ffff600002b7812e [ 162.121595][ C1] x11: ffff700001bcb9aa x10: dfff800000000000 x9 : 0000000000000003 [ 162.122234][ C1] x8 : ffff80000de5c000 x7 : 1fffe000015bc1b9 x6 : 0000000000000000 [ 162.122864][ C1] x5 : ffff00000ade0dc8 x4 : ffff80000de5cb68 x3 : ffff800009f2de04 [ 162.123514][ C1] x2 : 0000000000000002 x1 : 0000000000000002 x0 : 0000000000000001 [ 162.124139][ C1] Call trace: [ 162.124458][ C1] wg_packet_send_staged_packets+0xe38/0x1380 [ 162.124891][ C1] wg_packet_rx_poll+0xd94/0x1580 [ 162.125268][ C1] __napi_poll+0x94/0x3a4 [ 162.125666][ C1] net_rx_action+0x78c/0xb60 [ 162.126216][ C1] _stext+0x28c/0x107c [ 162.126619][ C1] run_ksoftirqd+0xa4/0xec [ 162.126990][ C1] smpboot_thread_fn+0x4d4/0x950 [ 162.127366][ C1] kthread+0x23c/0x2a0 [ 162.127713][ C1] ret_from_fork+0x10/0x20 [ 162.128068][ C1] irq event stamp: 19759 [ 162.128377][ C1] hardirqs last enabled at (19758): [] seqcount_lockdep_reader_access.constprop.0+0xc4/0xe0 [ 162.128913][ C1] hardirqs last disabled at (19759): [] el1_dbg+0x24/0x80 [ 162.129369][ C1] softirqs last enabled at (19664): [] _stext+0x9d4/0x107c [ 162.129847][ C1] softirqs last disabled at (19669): [] run_ksoftirqd+0xa4/0xec [ 162.131209][ C1] ---[ end trace 0000000000000000 ]--- executing program 1970/01/01 00:02:44 building call list... [ 164.637839][ T2272] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 164.950358][ T2272] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 165.261384][ T2272] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 165.651632][ T2272] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 168.744966][ T2272] device hsr_slave_0 left promiscuous mode [ 168.801409][ T2272] device hsr_slave_1 left promiscuous mode executing program [ 168.967291][ T2272] device veth1_macvtap left promiscuous mode [ 168.969526][ T2272] device veth0_macvtap left promiscuous mode [ 168.987192][ T2272] device veth1_vlan left promiscuous mode [ 168.990865][ T2272] device veth0_vlan left promiscuous mode executing program [ 172.614727][ T2272] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 172.790730][ T2272] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 173.622127][ T2272] bond0 (unregistering): Released all slaves executing program executing program executing program executing program executing program [ 188.597742][ T2205] can: request_module (can-proto-0) failed. [ 188.872897][ T2205] can: request_module (can-proto-0) failed. [ 189.079265][ T2205] can: request_module (can-proto-0) failed. executing program VM DIAGNOSIS: 02:39:25 Registers: info registers vcpu 0 PC=ffff80000b4615f8 X00=ffff80000b4615f0 X01=ffff80000b461630 X02=0000000000000000 X03=1fffe0000d539789 X04=00000000f204f1f1 X05=ffff700001000f92 X06=dfff800000000000 X07=00000000f1f1f1f1 X08=ffff000009230a58 X09=0000000000000050 X10=ffff0000092309cc X11=0000000000000007 X12=1fffe00001246139 X13=1fffe0000124614b X14=1ffff00001000f70 X15=0000000000008000 X16=ffff800008008000 X17=ffff80005cbc5000 X18=00000000f202f2f2 X19=ffff80000e064b80 X20=0000000000007d18 X21=0000000000007d18 X22=dfff800000000000 X23=000000257c590a00 X24=0000000000000001 X25=ffff80000e065000 X26=ffff00006a9cea28 X27=ffff00006a9ceaa8 X28=dfff800000000000 X29=ffff800008007d30 X30=ffff80000b461648 SP=ffff800008007d30 PSTATE=600000c5 -ZC- EL1h FPCR=00000000 FPSR=00000010 Q00=0000000000000000:0000000000000004 Q01=0000000000000000:414fffffe0000000 Q02=e626c28f751a111e:6eef8605f6b78b34 Q03=0000000040000000:0000000000000000 Q04=4010040140100401:4000000000000000 Q05=4010040140100401:4010040140100401 Q06=5555400000400000:5555400000400000 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=0000000000000010:0000001dd455fa60 Q31=0000000000000000:0000000000000000 info registers vcpu 1 PC=ffff800008293abc X00=00000000000003c0 X01=00000000000003c0 X02=0000000000000003 X03=1fffe00001553001 X04=00000000f204f1f1 X05=ffff700002156d40 X06=dfff800000000000 X07=00000000f1f1f1f1 X08=ffff00000aa98af8 X09=00000000000000f0 X10=ffff00000aa989cc X11=0000000000000004 X12=1fffe00001553139 X13=1fffe0000155315f X14=1ffff00002156d16 X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=ffff00006a9eabc0 X19=0000000000000000 X20=ffff00000aa98ad8 X21=ffff80000e03cc80 X22=0000000000000028 X23=ffff00000aa989e8 X24=ffff80000de06c48 X25=ffff80000c992000 X26=00000000ffffffff X27=00000000000003c0 X28=ffff00000aa98000 X29=ffff800010ab6910 X30=ffff80000c8f38f4 SP=ffff800010ab6910 PSTATE=100003c5 ---V EL1h FPCR=00000000 FPSR=00000000 Q00=0000000000000000:0000000000000000 Q01=30253a3a30386566:000a2e6574656c70 Q02=388e9c6c4fa85ca0:0000000000007832 Q03=0000000000000000:ff00000000000000 Q04=0000000000000000:ffffffffffff0000 Q05=0010000000000000:4000000000000000 Q06=0000000000000000:4010040140100000 Q07=4010040140100401:4010040140100401 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=0000555010004000:0000555010004000 Q17=000000ff00ff00ff:000000ff00ff00ff 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