Warning: Permanently added '10.128.10.44' (ECDSA) to the list of known hosts. 2023/03/13 14:45:35 fuzzer started 2023/03/13 14:45:35 connecting to host at 10.128.0.169:32925 2023/03/13 14:45:35 checking machine... 2023/03/13 14:45:35 checking revisions... 2023/03/13 14:45:36 testing simple program... syzkaller login: [ 58.007882][ T5082] cgroup: Unknown subsys name 'net' [ 58.148766][ T5082] cgroup: Unknown subsys name 'rlimit' [ 58.279152][ T5080] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5080 'syz-fuzzer' [ 58.404666][ T5086] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.413675][ T5086] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.423380][ T5086] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.432186][ T5086] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.439927][ T5086] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.448134][ T5086] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.572884][ T5084] chnl_net:caif_netlink_parms(): no params data found [ 58.595369][ T5084] [ 58.597731][ T5084] ============================= [ 58.603297][ T5084] WARNING: suspicious RCU usage [ 58.608146][ T5084] 6.3.0-rc1-syzkaller-00144-g064d70527aaa #0 Not tainted [ 58.615497][ T5084] ----------------------------- [ 58.620481][ T5084] drivers/net/veth.c:1265 suspicious rcu_dereference_check() usage! [ 58.628552][ T5084] [ 58.628552][ T5084] other info that might help us debug this: [ 58.628552][ T5084] [ 58.638960][ T5084] [ 58.638960][ T5084] rcu_scheduler_active = 2, debug_locks = 1 [ 58.647214][ T5084] 1 lock held by syz-executor.0/5084: [ 58.652875][ T5084] #0: ffffffff8e102ec8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e8/0xd50 [ 58.662522][ T5084] [ 58.662522][ T5084] stack backtrace: [ 58.668550][ T5084] CPU: 1 PID: 5084 Comm: syz-executor.0 Not tainted 6.3.0-rc1-syzkaller-00144-g064d70527aaa #0 [ 58.678874][ T5084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 58.688923][ T5084] Call Trace: [ 58.692222][ T5084] [ 58.695151][ T5084] dump_stack_lvl+0x136/0x150 [ 58.699929][ T5084] lockdep_rcu_suspicious+0x208/0x3a0 [ 58.707426][ T5084] veth_set_xdp_features+0x1c7/0x250 [ 58.713223][ T5084] veth_newlink+0x729/0x9d0 [ 58.717920][ T5084] ? veth_set_features+0x1e0/0x1e0 [ 58.723192][ T5084] ? __rtnl_newlink+0xfd4/0x1840 [ 58.728241][ T5084] ? rtnl_newlink+0x68/0xa0 [ 58.732768][ T5084] ? rtnetlink_rcv_msg+0x43d/0xd50 [ 58.737900][ T5084] ? netlink_rcv_skb+0x165/0x440 [ 58.742964][ T5084] ? netlink_unicast+0x547/0x7f0 [ 58.747914][ T5084] ? netlink_sendmsg+0x925/0xe30 [ 58.752873][ T5084] ? sock_sendmsg+0xde/0x190 [ 58.757473][ T5084] ? __sys_sendto+0x23a/0x340 [ 58.762199][ T5084] ? __x64_sys_sendto+0xe1/0x1b0 [ 58.767220][ T5084] ? do_syscall_64+0x39/0xb0 [ 58.771906][ T5084] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.778265][ T5084] ? ___slab_alloc+0xca0/0x1400 [ 58.783152][ T5084] ? lockdep_hardirqs_on+0x7d/0x100 [ 58.788458][ T5084] ? kvmalloc_node+0xa2/0x1a0 [ 58.793240][ T5084] ? __kmem_cache_alloc_node+0x48/0x320 [ 58.799172][ T5084] ? kvmalloc_node+0xa2/0x1a0 [ 58.804564][ T5084] ? rcu_read_lock_sched_held+0x3e/0x70 [ 58.810205][ T5084] ? trace_kmalloc+0xb4/0x110 [ 58.814907][ T5084] ? __kmalloc_node+0x77/0xd0 [ 58.819692][ T5084] ? __xdp_rxq_info_reg+0x18d/0x340 [ 58.824905][ T5084] ? alloc_netdev_mqs+0xdce/0x1250 [ 58.830036][ T5084] ? rtnl_create_link+0x9d8/0xee0 [ 58.835355][ T5084] ? veth_set_features+0x1e0/0x1e0 [ 58.840497][ T5084] __rtnl_newlink+0x10c2/0x1840 [ 58.845373][ T5084] ? find_held_lock+0x2d/0x110 [ 58.850158][ T5084] ? rtnl_link_unregister+0x250/0x250 [ 58.855549][ T5084] ? __kmem_cache_alloc_node+0x48/0x320 [ 58.861142][ T5084] rtnl_newlink+0x68/0xa0 [ 58.865495][ T5084] ? __rtnl_newlink+0x1840/0x1840 [ 58.871665][ T5084] rtnetlink_rcv_msg+0x43d/0xd50 [ 58.876633][ T5084] ? rtnl_stats_set+0x4d0/0x4d0 [ 58.881956][ T5084] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 58.887967][ T5084] ? do_syscall_64+0x39/0xb0 [ 58.892577][ T5084] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.898659][ T5084] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 58.904645][ T5084] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 58.910660][ T5084] netlink_rcv_skb+0x165/0x440 [ 58.915454][ T5084] ? rtnl_stats_set+0x4d0/0x4d0 [ 58.920337][ T5084] ? netlink_ack+0x1360/0x1360 [ 58.925218][ T5084] ? netlink_deliver_tap+0x1b1/0xcf0 [ 58.930610][ T5084] netlink_unicast+0x547/0x7f0 [ 58.935492][ T5084] ? netlink_attachskb+0x890/0x890 [ 58.940629][ T5084] ? __virt_addr_valid+0x61/0x2e0 [ 58.945670][ T5084] ? __phys_addr_symbol+0x30/0x70 [ 58.950735][ T5084] ? __check_object_size+0x333/0x6e0 [ 58.956034][ T5084] netlink_sendmsg+0x925/0xe30 [ 58.961158][ T5084] ? netlink_unicast+0x7f0/0x7f0 [ 58.966115][ T5084] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 58.971414][ T5084] ? netlink_unicast+0x7f0/0x7f0 [ 58.976468][ T5084] sock_sendmsg+0xde/0x190 [ 58.980951][ T5084] __sys_sendto+0x23a/0x340 [ 58.985500][ T5084] ? __ia32_sys_getpeername+0xb0/0xb0 [ 58.990931][ T5084] ? restore_fpregs_from_fpstate+0xc1/0x1c0 [ 58.997124][ T5084] __x64_sys_sendto+0xe1/0x1b0 [ 59.002173][ T5084] ? syscall_enter_from_user_mode+0x26/0xb0 [ 59.008079][ T5084] do_syscall_64+0x39/0xb0 [ 59.012502][ T5084] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.018435][ T5084] RIP: 0033:0x7fe359c3e12c [ 59.022869][ T5084] 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 [ 59.042843][ T5084] RSP: 002b:00007ffd5c9024c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 59.051351][ T5084] RAX: ffffffffffffffda RBX: 00007fe35a8d4620 RCX: 00007fe359c3e12c [ 59.059606][ T5084] RDX: 000000000000002c RSI: 00007fe35a8d4670 RDI: 0000000000000003 [ 59.067687][ T5084] RBP: 0000000000000000 R08: 00007ffd5c902514 R09: 000000000000000c [ 59.075700][ T5084] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 59.083764][ T5084] R13: 00007fe35a8d4670 R14: 0000000000000003 R15: 0000000000000000 [ 59.092017][ T5084] [ 59.123657][ T5084] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.131503][ T5084] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.138911][ T5084] bridge_slave_0: entered allmulticast mode [ 59.145922][ T5084] bridge_slave_0: entered promiscuous mode [ 59.154611][ T5084] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.162108][ T5084] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.169285][ T5084] bridge_slave_1: entered allmulticast mode [ 59.176232][ T5084] bridge_slave_1: entered promiscuous mode [ 59.199206][ T5084] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.210317][ T5084] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.234266][ T5084] team0: Port device team_slave_0 added [ 59.242837][ T5084] team0: Port device team_slave_1 added [ 59.261366][ T5084] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.268515][ T5084] 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. [ 59.294729][ T5084] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.307475][ T5084] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.314654][ T5084] 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. [ 59.340816][ T5084] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.371802][ T5084] hsr_slave_0: entered promiscuous mode [ 59.378089][ T5084] hsr_slave_1: entered promiscuous mode [ 59.470040][ T5084] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.481931][ T5084] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.492065][ T5084] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.502073][ T5084] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.526578][ T5084] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.534934][ T5084] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.543016][ T5084] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.550356][ T5084] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.603431][ T5084] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.610848][ T4747] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.619870][ T4747] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.629399][ T4747] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 59.647870][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.656228][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.668197][ T5084] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.678737][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.688778][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.698008][ T898] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.705149][ T898] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.717439][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.726427][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.736225][ T898] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.743454][ T898] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.754247][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.767309][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.781517][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.796481][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.805777][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.815155][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.828403][ T5084] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.840087][ T5084] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.854200][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.863828][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.872475][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.881758][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.890235][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.898791][ T898] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.033028][ T5084] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.040819][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.049357][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.066732][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.076280][ T5095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.096581][ T5084] veth0_vlan: entered promiscuous mode [ 60.103957][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.113195][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.124656][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.133957][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.146635][ T5084] veth1_vlan: entered promiscuous mode [ 60.168185][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.176851][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.185693][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.194576][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.206170][ T5084] veth0_macvtap: entered promiscuous mode [ 60.215665][ T5084] veth1_macvtap: entered promiscuous mode [ 60.229396][ T5084] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.237816][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.246219][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.254866][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.263758][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.275128][ T5084] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.285118][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.294038][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.306325][ T5084] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.315480][ T5084] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.324767][ T5084] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.333848][ T5084] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.402759][ T41] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.411006][ T41] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.427407][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.441064][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.449826][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.458738][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 60.482741][ T5086] Bluetooth: hci0: command 0x0409 tx timeout 2023/03/13 14:45:38 building call list... executing program [ 62.354302][ T5077] damon-dbgfs: DAMON debugfs interface is deprecated, so users should move to DAMON_SYSFS. If you cannot, please report your usecase to damon@lists.linux.dev and linux-mm@kvack.org. [ 62.538769][ T5077] can: request_module (can-proto-0) failed. [ 62.573793][ T5077] can: request_module (can-proto-0) failed. [ 62.608394][ T5077] can: request_module (can-proto-0) failed. [ 63.771171][ T41] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program