syzkaller login: [ 89.698859][ T2049] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 95.559884][ T2049] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 95.578466][ T2049] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:44468' (ECDSA) to the list of known hosts. 1970/01/01 00:02:05 fuzzer started 1970/01/01 00:02:10 connecting to host at localhost:35413 1970/01/01 00:02:10 checking machine... 1970/01/01 00:02:10 checking revisions... 1970/01/01 00:02:12 testing simple program... [ 133.141728][ T2209] cgroup: Unknown subsys name 'net' [ 133.600422][ T2209] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 139.709797][ T2211] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link executing program [ 139.755549][ T2211] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 142.269788][ T2211] device hsr_slave_0 entered promiscuous mode [ 142.329256][ T2211] device hsr_slave_1 entered promiscuous mode executing program [ 143.945050][ T2211] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 144.018509][ T2211] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 144.130695][ T2211] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 144.191795][ T2211] netdevsim netdevsim0 netdevsim3: renamed from eth3 executing program [ 146.345214][ T2211] 8021q: adding VLAN 0 to HW filter on device bond0 [ 146.455886][ T93] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 146.471379][ T93] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 147.602861][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 147.626801][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 147.675497][ T93] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 147.680046][ T93] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 147.735336][ T93] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 147.834708][ T93] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 147.946384][ T93] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 147.972265][ T93] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 148.030510][ T2528] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 148.042606][ T2528] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 148.122331][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 149.098853][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 149.100616][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 151.504793][ T2529] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 151.512000][ T2529] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready executing program [ 152.777440][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 152.796015][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 152.856799][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 152.863101][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 152.877439][ T2211] device veth0_vlan entered promiscuous mode [ 152.965829][ T2211] device veth1_vlan entered promiscuous mode [ 153.229241][ T93] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 153.239012][ T93] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 153.281025][ T2211] device veth0_macvtap entered promiscuous mode [ 153.342182][ T2211] device veth1_macvtap entered promiscuous mode [ 153.532230][ T93] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 153.547313][ T93] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 153.552597][ T93] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 153.560493][ T93] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 153.617208][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 153.622674][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 153.676353][ T2211] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 153.677367][ T2211] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 153.677768][ T2211] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 153.678150][ T2211] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 154.023298][ C0] ------------[ cut here ]------------ [ 154.024260][ C0] WARNING: CPU: 0 PID: 1075 at include/linux/cpumask.h:110 wg_cpumask_next_online+0x1c0/0x2c0 [ 154.024748][ C0] Modules linked in: [ 154.025106][ C0] CPU: 0 PID: 1075 Comm: kworker/u4:5 Tainted: G W 6.0.0-syzkaller-11161-g041bc24d867a #0 [ 154.025556][ C0] Hardware name: linux,dummy-virt (DT) [ 154.026160][ C0] Workqueue: wg-kex-wg2 wg_packet_handshake_send_worker [ 154.026883][ C0] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 154.027846][ C0] pc : wg_cpumask_next_online+0x1c0/0x2c0 [ 154.029073][ C0] lr : wg_packet_receive+0x978/0x1560 [ 154.029521][ C0] sp : ffff800008007480 [ 154.030109][ C0] x29: ffff800008007480 x28: 0000000000000001 x27: 1fffe00001db1219 [ 154.030754][ C0] x26: 0000000000000000 x25: ffff80000de5c000 x24: 0000000000000000 [ 154.031326][ C0] x23: 0000000000000003 x22: ffff80000de5cb68 x21: 0000000000000001 [ 154.031915][ C0] x20: ffff00000ed890c8 x19: ffff80000de5cd50 x18: 00000000915f4fd0 [ 154.032516][ C0] x17: ffff80005cbc5000 x16: ffff800008008000 x15: ffff000012ffe2a8 [ 154.033106][ C0] x14: 1ffff00001000e68 x13: 0000000000000000 x12: ffff600001db1291 [ 154.033811][ C0] x11: 1fffe00001db1290 x10: ffff600001db1290 x9 : dfff800000000000 [ 154.034491][ C0] x8 : ffff00000ed89483 x7 : 00009ffffe24ed70 x6 : 0000000000000001 [ 154.035227][ C0] x5 : ffff00000ed89480 x4 : ffff700001bcb9aa x3 : dfff800000000000 [ 154.035899][ C0] x2 : 0000000000000002 x1 : 0000000000000002 x0 : 0000000000000001 [ 154.036498][ C0] Call trace: [ 154.036820][ C0] wg_cpumask_next_online+0x1c0/0x2c0 [ 154.037200][ C0] wg_packet_receive+0x978/0x1560 [ 154.037637][ C0] wg_receive+0x58/0xb0 [ 154.037961][ C0] udpv6_queue_rcv_one_skb+0x8f4/0x17c0 [ 154.038361][ C0] udpv6_queue_rcv_skb+0x134/0x7e0 [ 154.038699][ C0] udp6_unicast_rcv_skb+0xe8/0x270 [ 154.039045][ C0] __udp6_lib_rcv+0x8a4/0x2330 [ 154.039394][ C0] udpv6_rcv+0x1c/0x2c [ 154.039709][ C0] ip6_protocol_deliver_rcu+0x154/0x14f0 [ 154.040073][ C0] ip6_input_finish+0x108/0x220 [ 154.040422][ C0] ip6_input+0xbc/0x2b0 [ 154.040741][ C0] ipv6_rcv+0x39c/0x47c [ 154.041073][ C0] __netif_receive_skb_one_core+0xf4/0x170 [ 154.041466][ C0] __netif_receive_skb+0x24/0x184 [ 154.041817][ C0] process_backlog+0x24c/0x6b0 [ 154.042174][ C0] __napi_poll+0x94/0x3a4 [ 154.042520][ C0] net_rx_action+0x78c/0xb60 [ 154.042868][ C0] _stext+0x28c/0x107c [ 154.043195][ C0] ____do_softirq+0x10/0x20 [ 154.043644][ C0] call_on_irq_stack+0x2c/0x54 [ 154.044132][ C0] do_softirq_own_stack+0x1c/0x30 [ 154.044579][ C0] do_softirq.part.0+0xd0/0xf4 [ 154.044998][ C0] __local_bh_enable_ip+0x50c/0x5d0 [ 154.045352][ C0] _raw_read_unlock_bh+0x54/0x64 [ 154.045710][ C0] wg_socket_send_skb_to_peer+0xf0/0x190 [ 154.046096][ C0] wg_socket_send_buffer_to_peer+0x110/0x160 [ 154.046497][ C0] wg_packet_send_handshake_initiation+0x1a8/0x274 [ 154.046898][ C0] wg_packet_handshake_send_worker+0x1c/0x34 [ 154.047277][ C0] process_one_work+0x780/0x184c [ 154.047634][ C0] worker_thread+0x3cc/0xc40 [ 154.047966][ C0] kthread+0x23c/0x2a0 [ 154.048295][ C0] ret_from_fork+0x10/0x20 [ 154.048647][ C0] irq event stamp: 97667 [ 154.048948][ C0] hardirqs last enabled at (97666): [] __local_bh_enable_ip+0x1e4/0x5d0 [ 154.049449][ C0] hardirqs last disabled at (97667): [] el1_dbg+0x24/0x80 [ 154.049917][ C0] softirqs last enabled at (97658): [] wg_socket_send_skb_to_peer+0xf0/0x190 [ 154.050419][ C0] softirqs last disabled at (97659): [] ____do_softirq+0x10/0x20 [ 154.050853][ C0] ---[ end trace 0000000000000000 ]--- [ 154.068427][ T25] ------------[ cut here ]------------ [ 154.069412][ T25] WARNING: CPU: 1 PID: 25 at include/linux/cpumask.h:110 wg_packet_send_staged_packets+0xe38/0x1380 [ 154.070103][ T25] Modules linked in: [ 154.070486][ T25] CPU: 1 PID: 25 Comm: kworker/1:1 Tainted: G W 6.0.0-syzkaller-11161-g041bc24d867a #0 [ 154.071077][ T25] Hardware name: linux,dummy-virt (DT) [ 154.071412][ T25] Workqueue: wg-kex-wg2 wg_packet_handshake_receive_worker [ 154.071874][ T25] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 154.072297][ T25] pc : wg_packet_send_staged_packets+0xe38/0x1380 [ 154.072748][ T25] lr : wg_packet_send_staged_packets+0x524/0x1380 [ 154.073153][ T25] sp : ffff800010c97800 [ 154.073480][ T25] x29: ffff800010c97800 x28: ffff000013e67800 x27: 0000000000000001 [ 154.074311][ T25] x26: 0000000000000001 x25: 0000000000000002 x24: 1fffe0000281836e [ 154.075099][ T25] x23: ffff0000140c1b68 x22: ffff80000de5cd50 x21: ffff00000fa6a580 [ 154.075772][ T25] x20: ffff0000140c1b40 x19: ffff00000e6b8c40 x18: 000000009f8b2996 [ 154.076342][ T25] x17: 00000000fabc3b19 x16: 0000000074667eb8 x15: 0000000000000000 [ 154.076956][ T25] x14: 1ffff00002192ece x13: 0000000000000000 x12: ffff600001f4d4b2 [ 154.077630][ T25] x11: ffff700001bcb9aa x10: dfff800000000000 x9 : 0000000000000003 [ 154.078308][ T25] x8 : ffff80000de5c000 x7 : 1fffe00001cd71b9 x6 : 0000000000000000 [ 154.079061][ T25] x5 : ffff00000e6b8dc8 x4 : ffff80000de5cb68 x3 : ffff800009f2d9f4 [ 154.079741][ T25] x2 : 0000000000000002 x1 : 0000000000000002 x0 : 0000000000000001 [ 154.080305][ T25] Call trace: [ 154.080588][ T25] wg_packet_send_staged_packets+0xe38/0x1380 [ 154.080951][ T25] wg_packet_send_keepalive+0x40/0x2a0 [ 154.081251][ T25] wg_receive_handshake_packet+0x2c8/0x7c0 [ 154.081548][ T25] wg_packet_handshake_receive_worker+0xd8/0x2ec [ 154.081886][ T25] process_one_work+0x780/0x184c [ 154.082222][ T25] worker_thread+0x3cc/0xc40 [ 154.082671][ T25] kthread+0x23c/0x2a0 [ 154.082991][ T25] ret_from_fork+0x10/0x20 [ 154.083301][ T25] irq event stamp: 29775 [ 154.083707][ T25] hardirqs last enabled at (29773): [] seqcount_lockdep_reader_access.constprop.0+0xc4/0xe0 [ 154.084245][ T25] hardirqs last disabled at (29775): [] el1_dbg+0x24/0x80 [ 154.084728][ T25] softirqs last enabled at (29770): [] wg_packet_send_staged_packets+0x20c/0x1380 [ 154.085158][ T25] softirqs last disabled at (29774): [] wg_packet_send_staged_packets+0x460/0x1380 [ 154.085582][ T25] ---[ end trace 0000000000000000 ]--- executing program 1970/01/01 00:02:35 building call list... [ 155.960323][ T1075] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 156.259518][ T1075] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 156.548735][ T1075] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 156.809550][ T1075] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program executing program [ 160.924580][ T1075] device hsr_slave_0 left promiscuous mode [ 161.009093][ T1075] device hsr_slave_1 left promiscuous mode [ 161.187340][ T1075] device veth1_macvtap left promiscuous mode [ 161.191000][ T1075] device veth0_macvtap left promiscuous mode [ 161.205705][ T1075] device veth1_vlan left promiscuous mode [ 161.209654][ T1075] device veth0_vlan left promiscuous mode executing program [ 165.061666][ T1075] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 165.201655][ T1075] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 165.820891][ T1075] bond0 (unregistering): Released all slaves executing program executing program executing program executing program executing program executing program [ 182.067936][ T2206] can: request_module (can-proto-0) failed. [ 182.348516][ T2206] can: request_module (can-proto-0) failed. [ 182.571696][ T2206] can: request_module (can-proto-0) failed. VM DIAGNOSIS: 18:43:02 Registers: info registers vcpu 0 PC=ffff8000082a35f8 X00=0000000000000080 X01=00000000000003c0 X02=0000000000000000 X03=1fffe0000d539789 X04=00000000f204f1f1 X05=ffff700001000d5a X06=dfff800000000000 X07=00000000f1f1f1f1 X08=ffff80000df4f140 X09=dfff800000000000 X10=ffff700001be9e28 X11=1ffff00001be9e28 X12=ffff700001be9e29 X13=0000000000000000 X14=1ffff00001000d34 X15=0000000000000000 X16=0000000000000000 X17=0000000000000000 X18=00000000915f4fd0 X19=ffff80000de06c48 X20=1ffff00001000d5a X21=ffff80000c991e40 X22=ffff80000de06c48 X23=ffff80005cbc5000 X24=00000000000003c0 X25=0000000000000006 X26=ffff000013582520 X27=ffff000013581b40 X28=1fffe000026b04a4 X29=ffff800008006a60 X30=ffff8000082a35a8 SP=ffff800008006a60 PSTATE=100003c5 ---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=ffff8000082a3ee4 X00=0000000000000000 X01=0000000000000000 X02=0000000000000000 X03=ffff000009920000 X04=ffff800010c97cf0 X05=ffff80000fede440 X06=0000000000000000 X07=0000000000000004 X08=0000000000000000 X09=1ffff000020eefb4 X10=ffff700002192f10 X11=00000000f1f1f1f1 X12=1fffe00001324139 X13=1fffe00001324146 X14=1ffff00002192f44 X15=ffff00006a9eabc4 X16=1fffe000028183bf X17=1fffe0000298780c X18=ffff00006a9eab88 X19=ffff00006a9fb680 X20=ffff80000de04008 X21=fffffbffeffa8e00 X22=ffff80000de5cb68 X23=ffff800010c97cf0 X24=ffff80000de06c48 X25=ffff80000c991e40 X26=fffffbffeffa92a8 X27=1fffe0000126e583 X28=ffff80000de5c000 X29=ffff800010c97b20 X30=ffff8000081b6264 SP=ffff800010c97b20 PSTATE=10000005 ---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