[ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 40.581740][ T27] audit: type=1400 audit(1627871252.637:8): avc: denied { execmem } for pid=5908 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 41.224824][ T5900] can: request_module (can-proto-0) failed. [ 41.260762][ T5900] can: request_module (can-proto-0) failed. [ 41.273050][ T5900] can: request_module (can-proto-0) failed. [ 41.321758][ T27] audit: type=1400 audit(1627871253.377:9): avc: denied { create } for pid=5898 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Warning: Permanently added '10.128.1.122' (ECDSA) to the list of known hosts. 2021/08/02 02:27:40 parsed 1 programs 2021/08/02 02:27:41 executed programs: 0 [ 48.960884][ T27] audit: type=1400 audit(1627871261.031:10): avc: denied { execmem } for pid=5996 comm="syz-executor.4" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 49.381361][ T6004] chnl_net:caif_netlink_parms(): no params data found [ 49.554916][ T6006] chnl_net:caif_netlink_parms(): no params data found [ 49.601801][ T6005] chnl_net:caif_netlink_parms(): no params data found [ 49.618310][ T5998] chnl_net:caif_netlink_parms(): no params data found [ 49.722589][ T5999] chnl_net:caif_netlink_parms(): no params data found [ 49.786614][ T6006] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.803633][ T6006] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.813696][ T6006] device bridge_slave_0 entered promiscuous mode [ 49.829749][ T6002] chnl_net:caif_netlink_parms(): no params data found [ 49.840000][ T6004] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.847059][ T6004] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.855700][ T6004] device bridge_slave_0 entered promiscuous mode [ 49.868966][ T6004] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.876526][ T6004] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.885846][ T6004] device bridge_slave_1 entered promiscuous mode [ 49.904544][ T6006] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.914110][ T6006] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.922715][ T6006] device bridge_slave_1 entered promiscuous mode [ 49.960480][ T6004] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.976439][ T6004] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.016889][ T5998] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.024402][ T5998] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.032870][ T5998] device bridge_slave_0 entered promiscuous mode [ 50.045924][ T6005] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.053146][ T6005] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.061720][ T6005] device bridge_slave_0 entered promiscuous mode [ 50.076491][ T6005] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.085714][ T6005] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.094387][ T6005] device bridge_slave_1 entered promiscuous mode [ 50.104141][ T6006] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.120410][ T6006] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.130113][ T5998] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.137190][ T5998] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.145572][ T5998] device bridge_slave_1 entered promiscuous mode [ 50.174503][ T5999] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.181969][ T5999] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.191229][ T5999] device bridge_slave_0 entered promiscuous mode [ 50.212844][ T6002] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.222154][ T6002] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.233127][ T6002] device bridge_slave_0 entered promiscuous mode [ 50.243731][ T6004] team0: Port device team_slave_0 added [ 50.255715][ T5999] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.264082][ T5999] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.273709][ T5999] device bridge_slave_1 entered promiscuous mode [ 50.293001][ T5998] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.303628][ T6002] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.312263][ T6002] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.321495][ T6002] device bridge_slave_1 entered promiscuous mode [ 50.330642][ T6005] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.341338][ T6004] team0: Port device team_slave_1 added [ 50.351916][ T6006] team0: Port device team_slave_0 added [ 50.364408][ T5998] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.388110][ T6005] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.413572][ T6006] team0: Port device team_slave_1 added [ 50.428422][ T5999] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.490370][ T6004] device hsr_slave_0 entered promiscuous mode [ 50.507870][ T6004] device hsr_slave_1 entered promiscuous mode [ 50.593832][ T5999] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.611542][ T5998] team0: Port device team_slave_0 added [ 50.619329][ T6002] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.630893][ T6005] team0: Port device team_slave_0 added [ 50.679484][ T6006] device hsr_slave_0 entered promiscuous mode [ 50.727947][ T6006] device hsr_slave_1 entered promiscuous mode [ 50.787460][ T6006] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 50.795324][ T6006] Cannot create hsr debugfs directory [ 50.809712][ T5998] team0: Port device team_slave_1 added [ 50.817016][ T6002] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.828478][ T6005] team0: Port device team_slave_1 added [ 50.849954][ T5999] team0: Port device team_slave_0 added [ 50.919950][ T5998] device hsr_slave_0 entered promiscuous mode [ 50.967895][ T5998] device hsr_slave_1 entered promiscuous mode [ 51.018213][ T5998] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 51.025800][ T5998] Cannot create hsr debugfs directory [ 51.035314][ T6002] team0: Port device team_slave_0 added [ 51.044319][ T5999] team0: Port device team_slave_1 added [ 51.061030][ T6002] team0: Port device team_slave_1 added [ 51.140028][ T6005] device hsr_slave_0 entered promiscuous mode [ 51.181675][ T6005] device hsr_slave_1 entered promiscuous mode [ 51.217282][ T6005] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 51.224883][ T6005] Cannot create hsr debugfs directory [ 51.300265][ T5999] device hsr_slave_0 entered promiscuous mode [ 51.337528][ T5999] device hsr_slave_1 entered promiscuous mode [ 51.377210][ T5999] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 51.384895][ T5999] Cannot create hsr debugfs directory [ 51.449152][ T6002] device hsr_slave_0 entered promiscuous mode [ 51.487367][ T6002] device hsr_slave_1 entered promiscuous mode [ 51.528271][ T6002] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 51.535927][ T6002] Cannot create hsr debugfs directory [ 51.563992][ T6004] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 51.620981][ T6004] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 51.685670][ T6004] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 51.752084][ T6004] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 51.839045][ T6006] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 51.898534][ T6006] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 51.940632][ T6006] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 52.001042][ T6006] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 52.087377][ T5998] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 52.101330][ T5998] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 52.163932][ T5998] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 52.214770][ T5998] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 52.290231][ T6004] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.325964][ T6004] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.353260][ T6005] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.388588][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.400929][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.409556][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.418746][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.427376][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.434556][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.445390][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.459678][ T6005] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 52.510689][ T6006] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.519005][ T6005] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 52.574298][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.583264][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.592627][ T6924] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.599747][ T6924] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.607733][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.619279][ T6005] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.684688][ T6925] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.693205][ T6925] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.701401][ T6925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.713359][ T6006] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.744710][ T5998] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.752033][ T6925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.762668][ T6925] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.773149][ T5999] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 52.843396][ T6925] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.851540][ T6925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.860663][ T6925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.870622][ T6925] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.877770][ T6925] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.885816][ T6925] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.895196][ T6925] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.904095][ T6925] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.913247][ T6925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.922222][ T6925] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.929381][ T6925] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.939022][ T5999] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 52.979072][ T5999] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 53.022211][ T5999] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 53.076163][ T5998] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.095311][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.104899][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.114595][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.124893][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.133651][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.142304][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.155702][ T6004] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.168031][ T6004] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.200514][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.210719][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.222314][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.231592][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.241367][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.250485][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.259524][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.268536][ T6924] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.275574][ T6924] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.284685][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.293892][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.335947][ T6006] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 53.347373][ T6006] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.359562][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.371740][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.380107][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.389235][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.398307][ T6924] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.405802][ T6924] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.413939][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.422725][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.431694][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.440416][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.465150][ T6002] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 53.545580][ T6004] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.553288][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.561618][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.570211][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.578213][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.585921][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.594954][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.605819][ T6002] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 53.652629][ T6006] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.706961][ T6005] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.724493][ T6002] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 53.759030][ T6002] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 53.800260][ C1] hrtimer: interrupt took 25592 ns [ 53.819426][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.845879][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.870976][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.904238][ T6005] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.939549][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.967012][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready 2021/08/02 02:27:46 executed programs: 9 [ 53.984382][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.021054][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.030356][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.039206][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.057566][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.081387][ T3516] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.088630][ T3516] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.145851][ T5999] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.169687][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.203091][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.224310][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.234973][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.247958][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.260315][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.270710][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.282633][ T6924] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.290036][ T6924] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.301906][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.322166][ T5998] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.337094][ T2641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.346771][ T2641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.355693][ T2641] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.374885][ T5999] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.393478][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.401437][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.409786][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.420335][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.429185][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.438976][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.446132][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.453717][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.462712][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.471603][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.478924][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.488774][ T6907] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.516946][ T6005] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.528368][ T6005] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.557030][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.565769][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.574504][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.583539][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.592386][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.601358][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.612451][ T6911] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.620623][ T6911] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.636227][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.643757][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.661234][ T5998] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.680167][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.705389][ T6005] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.719832][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.736253][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.743968][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.756962][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.771607][ T6002] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.795447][ T5999] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.821388][ T5999] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.847815][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.855617][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.880486][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.897003][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.904883][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.921598][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.932440][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.951827][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.965562][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.978789][ T6002] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.024402][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.033545][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.042791][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.059380][ T5999] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.081151][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.091112][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.101770][ T3516] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.109328][ T3516] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.125513][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.134345][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.142865][ T3516] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.150103][ T3516] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.158466][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.167954][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.205562][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.217863][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.236669][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.245104][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.259924][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.270313][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.289217][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.306875][ T6924] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.339169][ T6002] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.383453][ T6002] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.433576][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.453445][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.495907][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.503434][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.526906][ T6002] 8021q: adding VLAN 0 to HW filter on device batadv0 2021/08/02 02:27:51 executed programs: 152 [ 166.511297][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 166.518510][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): [ 166.525839][ C0] (detected by 0, t=10502 jiffies, g=7341, q=218) [ 166.532412][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 7451 (4294953748-4294946297), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 166.545800][ C0] rcu: rcu_preempt kthread timer wakeup didn't happen for 7450 jiffies! g7341 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 166.558923][ C0] rcu: Possible timer handling issue on cpu=0 timer-softirq=2502 [ 166.566844][ C0] rcu: rcu_preempt kthread starved for 7451 jiffies! g7341 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 166.578110][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 166.588152][ C0] rcu: RCU grace-period kthread stack dump: [ 166.594026][ C0] task:rcu_preempt state:I stack:29360 pid: 13 ppid: 2 flags:0x00004000 [ 166.603304][ C0] Call Trace: [ 166.606580][ C0] __schedule+0x8e8/0x2170 [ 166.611115][ C0] ? io_schedule_timeout+0x150/0x150 [ 166.616664][ C0] ? __free_object+0xf80/0xf80 [ 166.621534][ C0] ? trace_hardirqs_on+0x2b/0x140 [ 166.626555][ C0] schedule+0xe0/0x280 [ 166.630960][ C0] schedule_timeout+0x133/0x270 [ 166.636246][ C0] ? usleep_range+0x170/0x170 [ 166.641436][ C0] ? destroy_timer_on_stack+0x20/0x20 [ 166.646832][ C0] ? _raw_spin_unlock_irqrestore+0x31/0x90 [ 166.652632][ C0] ? prepare_to_swait_event+0xf8/0x4b0 [ 166.658092][ C0] rcu_gp_kthread+0xdd0/0x1af0 [ 166.663467][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 166.668494][ C0] ? rcu_qs+0x120/0x120 [ 166.672727][ C0] ? __kasan_check_read+0x11/0x20 [ 166.677737][ C0] ? __kthread_parkme+0xc6/0x1f0 [ 166.682657][ C0] ? __kasan_check_read+0x11/0x20 [ 166.687665][ C0] ? rcu_qs+0x120/0x120 [ 166.691812][ C0] kthread+0x395/0x470 [ 166.695868][ C0] ? set_kthread_struct+0x100/0x100 [ 166.701050][ C0] ret_from_fork+0x1f/0x30 [ 166.705474][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 166.711881][ C0] NMI backtrace for cpu 0 [ 166.716211][ C0] CPU: 0 PID: 7578 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 166.724893][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.735918][ C0] Call Trace: [ 166.739198][ C0] [ 166.742037][ C0] dump_stack_lvl+0xc2/0xe1 [ 166.746890][ C0] dump_stack+0x10/0x12 [ 166.751038][ C0] nmi_cpu_backtrace.cold+0x30/0x9c [ 166.756236][ C0] ? lapic_can_unplug_cpu+0x80/0x80 [ 166.761442][ C0] nmi_trigger_cpumask_backtrace+0x120/0x170 [ 166.767432][ C0] arch_trigger_cpumask_backtrace+0x14/0x20 [ 166.773577][ C0] rcu_check_gp_kthread_starvation.cold+0x283/0x288 [ 166.780178][ C0] rcu_sched_clock_irq+0x1dc8/0x2050 [ 166.785466][ C0] ? rcutree_dead_cpu+0x20/0x20 [ 166.790305][ C0] ? lock_is_held_type+0xdf/0x140 [ 166.795320][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 166.801115][ C0] ? __raise_softirq_irqoff+0x94/0x1d0 [ 166.806604][ C0] update_process_times+0x139/0x1b0 [ 166.811789][ C0] tick_sched_handle+0x77/0x140 [ 166.816626][ C0] ? get_cpu_iowait_time_us+0x330/0x330 [ 166.822691][ C0] tick_sched_timer+0x142/0x230 [ 166.827531][ C0] __hrtimer_run_queues+0x1b7/0xc30 [ 166.832729][ C0] ? hrtimer_sleeper_start_expires+0x90/0x90 [ 166.838697][ C0] ? ktime_get_update_offsets_now+0x47/0x240 [ 166.844751][ C0] ? ktime_get_update_offsets_now+0x8c/0x240 [ 166.850821][ C0] hrtimer_interrupt+0x2f3/0x950 [ 166.855758][ C0] __sysvec_apic_timer_interrupt+0x143/0x530 [ 166.861736][ C0] sysvec_apic_timer_interrupt+0x98/0xc0 [ 166.867364][ C0] [ 166.870462][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 166.876429][ C0] RIP: 0010:lock_acquire+0x4fc/0x5e0 [ 166.881706][ C0] Code: 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 af 00 00 00 48 83 3d 1d dd 1d 08 00 74 64 fb 66 0f 1f 44 00 00 58 fd ff ff e8 8a 81 63 06 85 c0 74 ab 80 3d 11 44 23 09 00 75 [ 166.901317][ C0] RSP: 0000:ffffc90005b07640 EFLAGS: 00000282 [ 166.907583][ C0] RAX: 1ffffffff12ec2f8 RBX: 1ffff92000b60ecb RCX: 0000000000001a57 [ 166.915596][ C0] RDX: dffffc0000000000 RSI: ffffffff880b6340 RDI: ffffffff88521ac0 [ 166.923817][ C0] RBP: ffffc90005b07720 R08: 0000000000000000 R09: ffffffff8b2c0c1f [ 166.931869][ C0] R10: fffffbfff1658183 R11: 0000000000000000 R12: 0000000000000001 [ 166.939826][ C0] R13: 0000000000000000 R14: ffffffff89e94fe8 R15: 0000000000000200 [ 166.947825][ C0] ? lock_release+0x970/0x970 [ 166.952553][ C0] ? lock_is_held_type+0x100/0x140 [ 166.957751][ C0] ? ___might_sleep+0x1ee/0x2d0 [ 166.962603][ C0] __mutex_lock+0x13f/0x11a0 [ 166.967193][ C0] ? tty_open+0x493/0xf60 [ 166.971529][ C0] ? tty_open+0x493/0xf60 [ 166.975846][ C0] ? mutex_lock_io_nested+0xfb0/0xfb0 [ 166.981201][ C0] ? lock_is_held_type+0x100/0x140 [ 166.986305][ C0] ? rcu_read_lock_sched_held+0x41/0xb0 [ 166.991841][ C0] ? trace_kmalloc+0x37/0x100 [ 166.996532][ C0] ? kmem_cache_alloc_trace+0x212/0x440 [ 167.002068][ C0] mutex_lock_nested+0x16/0x20 [ 167.006820][ C0] tty_open+0x493/0xf60 [ 167.011149][ C0] ? tty_init_dev+0x60/0x60 [ 167.015664][ C0] ? do_raw_spin_unlock+0x181/0x240 [ 167.020948][ C0] chrdev_open+0x237/0x6a0 [ 167.025365][ C0] ? cdev_device_add+0x1e0/0x1e0 [ 167.030303][ C0] ? security_file_open+0x1a7/0x420 [ 167.035496][ C0] do_dentry_open+0x42d/0xf90 [ 167.040179][ C0] ? cdev_device_add+0x1e0/0x1e0 [ 167.045108][ C0] vfs_open+0x9a/0xc0 [ 167.049076][ C0] path_openat+0xa75/0x25f0 [ 167.053575][ C0] ? lookup_open.isra.0+0x1ab0/0x1ab0 [ 167.058935][ C0] ? lockdep_hardirqs_on_prepare+0x450/0x450 [ 167.064905][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 167.070442][ C0] ? __this_cpu_preempt_check+0x13/0x20 [ 167.075979][ C0] ? lock_is_held_type+0x100/0x140 [ 167.081185][ C0] do_filp_open+0x1ab/0x3f0 [ 167.085678][ C0] ? may_open_dev+0xd0/0xd0 [ 167.090265][ C0] ? do_raw_spin_unlock+0x181/0x240 [ 167.095454][ C0] ? _raw_spin_unlock+0x28/0x50 [ 167.100308][ C0] do_sys_openat2+0x120/0x3d0 [ 167.104975][ C0] ? build_open_flags+0x490/0x490 [ 167.109993][ C0] ? __do_sys_futex+0xb0/0x380 [ 167.114765][ C0] __x64_sys_openat+0x124/0x200 [ 167.119627][ C0] ? check_preemption_disabled+0x3d/0xe0 [ 167.125251][ C0] ? __ia32_sys_open+0x1b0/0x1b0 [ 167.130185][ C0] ? syscall_enter_from_user_mode+0x21/0x70 [ 167.136084][ C0] ? trace_hardirqs_on+0x2b/0x140 [ 167.141100][ C0] do_syscall_64+0x35/0xb0 [ 167.145598][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 167.151481][ C0] RIP: 0033:0x462209 [ 167.155466][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 167.175063][ C0] RSP: 002b:00007fa154ed51a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 167.183467][ C0] RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000462209 [ 167.191426][ C0] RDX: 0000000000000000 RSI: 0000000020000380 RDI: ffffffffffffff9c [ 167.199403][ C0] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 167.207362][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 167.215579][ C0] R13: 00000000004f8a08 R14: 00000000004b41d5 R15: 00007fa154ed56bc