Warning: Permanently added '10.128.1.69' (ECDSA) to the list of known hosts. 2022/02/21 20:03:43 fuzzer started 2022/02/21 20:03:44 connecting to host at 10.128.0.169:43609 2022/02/21 20:03:44 checking machine... 2022/02/21 20:03:44 checking revisions... 2022/02/21 20:03:44 testing simple program... syzkaller login: [ 44.109349][ T3593] cgroup: Unknown subsys name 'net' [ 44.249346][ T3593] cgroup: Unknown subsys name 'rlimit' [ 45.470353][ T3598] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 45.479038][ T3598] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 45.487124][ T3598] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 45.495530][ T3598] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 45.503430][ T3598] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 45.510659][ T3598] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.602160][ T3595] chnl_net:caif_netlink_parms(): no params data found [ 45.647383][ T3595] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.654977][ T3595] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.664084][ T3595] device bridge_slave_0 entered promiscuous mode [ 45.673481][ T3595] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.680634][ T3595] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.688902][ T3595] device bridge_slave_1 entered promiscuous mode [ 45.709432][ T3595] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 45.720408][ T3595] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 45.743458][ T3595] team0: Port device team_slave_0 added [ 45.750903][ T3595] team0: Port device team_slave_1 added [ 45.768663][ T3595] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 45.775761][ T3595] 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 1560 would solve the problem. [ 45.801900][ T3595] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 45.815367][ T3595] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 45.822530][ T3595] 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 1560 would solve the problem. [ 45.849304][ T3595] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 45.874439][ T3595] [ 45.878102][ T3595] ============================= [ 45.883115][ T3595] WARNING: suspicious RCU usage [ 45.887986][ T3595] 5.17.0-rc4-next-20220217-syzkaller #0 Not tainted [ 45.894630][ T3595] ----------------------------- [ 45.899473][ T3595] net/hsr/hsr_framereg.c:34 suspicious rcu_dereference_check() usage! [ 45.907686][ T3595] [ 45.907686][ T3595] other info that might help us debug this: [ 45.907686][ T3595] [ 45.917967][ T3595] [ 45.917967][ T3595] rcu_scheduler_active = 2, debug_locks = 1 [ 45.926076][ T3595] 2 locks held by syz-executor.0/3595: [ 45.931565][ T3595] #0: ffffffff8d539528 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 [ 45.941096][ T3595] #1: ffff8880771bd5f0 (&hsr->list_lock){+...}-{2:2}, at: hsr_create_self_node+0x225/0x650 [ 45.951287][ T3595] [ 45.951287][ T3595] stack backtrace: [ 45.957492][ T3595] CPU: 0 PID: 3595 Comm: syz-executor.0 Not tainted 5.17.0-rc4-next-20220217-syzkaller #0 [ 45.967490][ T3595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.977554][ T3595] Call Trace: [ 45.980833][ T3595] <TASK> [ 45.983759][ T3595] dump_stack_lvl+0xcd/0x134 [ 45.988365][ T3595] hsr_node_get_first+0x9b/0xb0 [ 45.993232][ T3595] hsr_create_self_node+0x22d/0x650 [ 45.998451][ T3595] hsr_dev_finalize+0x2c1/0x7d0 [ 46.003482][ T3595] hsr_newlink+0x315/0x730 [ 46.007896][ T3595] ? hsr_dellink+0x130/0x130 [ 46.012487][ T3595] ? rtnl_create_link+0x7e8/0xc00 [ 46.017519][ T3595] ? hsr_dellink+0x130/0x130 [ 46.022110][ T3595] __rtnl_newlink+0x107c/0x1760 [ 46.027069][ T3595] ? rtnl_setlink+0x3c0/0x3c0 [ 46.031772][ T3595] ? is_bpf_text_address+0x77/0x170 [ 46.037098][ T3595] ? lock_downgrade+0x6e0/0x6e0 [ 46.041961][ T3595] ? unwind_next_frame+0xee1/0x1ce0 [ 46.047277][ T3595] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 46.053364][ T3595] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 46.059193][ T3595] ? is_bpf_text_address+0x99/0x170 [ 46.064494][ T3595] ? kernel_text_address+0x39/0x80 [ 46.069711][ T3595] ? __kernel_text_address+0x9/0x30 [ 46.074918][ T3595] ? unwind_get_return_address+0x51/0x90 [ 46.080558][ T3595] ? create_prof_cpu_mask+0x20/0x20 [ 46.085771][ T3595] ? arch_stack_walk+0x93/0xe0 [ 46.090605][ T3595] ? kmem_cache_alloc_trace+0x42/0x3d0 [ 46.096096][ T3595] ? rcu_read_lock_sched_held+0x3a/0x70 [ 46.101658][ T3595] rtnl_newlink+0x64/0xa0 [ 46.105994][ T3595] ? __rtnl_newlink+0x1760/0x1760 [ 46.111032][ T3595] rtnetlink_rcv_msg+0x413/0xb80 [ 46.115987][ T3595] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 46.120868][ T3595] netlink_rcv_skb+0x153/0x420 [ 46.125639][ T3595] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 46.130410][ T3595] ? netlink_ack+0xa80/0xa80 [ 46.135019][ T3595] ? netlink_deliver_tap+0x1a2/0xc40 [ 46.140312][ T3595] ? netlink_deliver_tap+0x1b1/0xc40 [ 46.145632][ T3595] netlink_unicast+0x539/0x7e0 [ 46.150445][ T3595] ? netlink_attachskb+0x880/0x880 [ 46.155561][ T3595] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 46.161827][ T3595] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 46.168084][ T3595] ? __phys_addr_symbol+0x2c/0x70 [ 46.173118][ T3595] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 46.178864][ T3595] ? __check_object_size+0x16c/0x4f0 [ 46.184160][ T3595] netlink_sendmsg+0x904/0xe00 [ 46.188941][ T3595] ? netlink_unicast+0x7e0/0x7e0 [ 46.193892][ T3595] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 46.200234][ T3595] ? netlink_unicast+0x7e0/0x7e0 [ 46.205275][ T3595] sock_sendmsg+0xcf/0x120 [ 46.209703][ T3595] __sys_sendto+0x21c/0x320 [ 46.214220][ T3595] ? __ia32_sys_getpeername+0xb0/0xb0 [ 46.219605][ T3595] ? lockdep_hardirqs_on+0x79/0x100 [ 46.224831][ T3595] ? __context_tracking_exit+0xb8/0xe0 [ 46.230306][ T3595] ? lock_downgrade+0x6e0/0x6e0 [ 46.235198][ T3595] __x64_sys_sendto+0xdd/0x1b0 [ 46.239981][ T3595] ? lockdep_hardirqs_on+0x79/0x100 [ 46.245210][ T3595] ? syscall_enter_from_user_mode+0x21/0x70 [ 46.251113][ T3595] do_syscall_64+0x35/0xb0 [ 46.255540][ T3595] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 46.261461][ T3595] RIP: 0033:0x7f761e68ce1c [ 46.266064][ T3595] Code: fa fa ff ff 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 20 fb ff ff 48 8b [ 46.285679][ T3595] RSP: 002b:00007ffe4b4e9640 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 46.294100][ T3595] RAX: ffffffffffffffda RBX: 00007f761f725320 RCX: 00007f761e68ce1c [ 46.302067][ T3595] RDX: 0000000000000048 RSI: 00007f761f725370 RDI: 0000000000000003 [ 46.310036][ T3595] RBP: 0000000000000000 R08: 00007ffe4b4e9694 R09: 000000000000000c [ 46.318001][ T3595] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 46.326143][ T3595] R13: 00007f761f725370 R14: 0000000000000003 R15: 0000000000000000 [ 46.334130][ T3595] </TASK> [ 46.344353][ T3595] device hsr_slave_0 entered promiscuous mode [ 46.351623][ T3595] device hsr_slave_1 entered promiscuous mode [ 46.433763][ T3595] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.445202][ T3595] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.454202][ T3595] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.464234][ T3595] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.485927][ T3595] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.493201][ T3595] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.500955][ T3595] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.508112][ T3595] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.551643][ T3595] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.564891][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.575324][ T3605] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.585029][ T3605] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.594644][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 46.608009][ T3595] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.617308][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.627221][ T3605] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.635695][ T3605] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.642819][ T3605] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.654894][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.663994][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.672350][ T6] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.680376][ T6] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.692349][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.706305][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.724294][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.733374][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.741829][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.750884][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.759471][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.767946][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.776693][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.785267][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.796550][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.806758][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.823645][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.831215][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.846039][ T3595] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program [ 46.954296][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.963880][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.979719][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.988646][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.998214][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.006224][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.016367][ T3595] device veth0_vlan entered promiscuous mode [ 47.027143][ T3595] device veth1_vlan entered promiscuous mode [ 47.046183][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 47.055110][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 47.063504][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.072041][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.082993][ T3595] device veth0_macvtap entered promiscuous mode [ 47.091696][ T3595] device veth1_macvtap entered promiscuous mode [ 47.108273][ T3595] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.116730][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.125391][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.133690][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.143963][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.157346][ T3595] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.164901][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.173738][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.186038][ T3595] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.195206][ T3595] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.204104][ T3595] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.213497][ T3595] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.273218][ T1298] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.281193][ T1298] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.300367][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 47.310548][ T1298] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.319319][ T1298] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.329127][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2022/02/21 20:03:47 building call list... [ 47.604157][ T1298] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 49.853058][ T3586] can: request_module (can-proto-0) failed. [ 49.876322][ T3586] can: request_module (can-proto-0) failed. [ 49.897288][ T3586] can: request_module (can-proto-0) failed. [ 50.057892][ T3595] syz-executor.0 (3595) used greatest stack depth: 22768 bytes left [ 50.123758][ T1298] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0