[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 43.524634][ T7365] IPVS: ftp: loaded support on port[0] = 21 [ 43.806412][ T7] tipc: TX() has been purged, node left! [ 44.023833][ T7363] can: request_module (can-proto-0) failed. [ 46.848758][ T7363] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.1.55' (ECDSA) to the list of known hosts. 2020/03/22 07:01:01 parsed 1 programs 2020/03/22 07:01:02 executed programs: 0 [ 55.208515][ T7442] IPVS: ftp: loaded support on port[0] = 21 [ 55.209626][ T7439] IPVS: ftp: loaded support on port[0] = 21 [ 55.228713][ T7445] IPVS: ftp: loaded support on port[0] = 21 [ 55.229801][ T7447] IPVS: ftp: loaded support on port[0] = 21 [ 55.241669][ T7446] IPVS: ftp: loaded support on port[0] = 21 [ 55.242301][ T7438] IPVS: ftp: loaded support on port[0] = 21 [ 55.450417][ T7438] chnl_net:caif_netlink_parms(): no params data found [ 55.465062][ T7445] chnl_net:caif_netlink_parms(): no params data found [ 55.557618][ T7447] chnl_net:caif_netlink_parms(): no params data found [ 55.565975][ T7446] chnl_net:caif_netlink_parms(): no params data found [ 55.574675][ T7442] chnl_net:caif_netlink_parms(): no params data found [ 55.617590][ T7438] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.625156][ T7438] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.633252][ T7438] device bridge_slave_0 entered promiscuous mode [ 55.643645][ T7438] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.650761][ T7438] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.658590][ T7438] device bridge_slave_1 entered promiscuous mode [ 55.665780][ T7439] chnl_net:caif_netlink_parms(): no params data found [ 55.683869][ T7445] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.693501][ T7445] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.701104][ T7445] device bridge_slave_0 entered promiscuous mode [ 55.708927][ T7445] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.715961][ T7445] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.723712][ T7445] device bridge_slave_1 entered promiscuous mode [ 55.742688][ T7445] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.781180][ T7445] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.800231][ T7446] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.807542][ T7446] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.815018][ T7446] device bridge_slave_0 entered promiscuous mode [ 55.826575][ T7446] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.833618][ T7446] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.841485][ T7446] device bridge_slave_1 entered promiscuous mode [ 55.867368][ T7446] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.883449][ T7438] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.902664][ T7446] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.912094][ T7447] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.919506][ T7447] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.927122][ T7447] device bridge_slave_0 entered promiscuous mode [ 55.935587][ T7445] team0: Port device team_slave_0 added [ 55.942914][ T7438] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.952141][ T7442] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.959282][ T7442] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.967105][ T7442] device bridge_slave_0 entered promiscuous mode [ 55.987642][ T7447] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.994694][ T7447] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.002652][ T7447] device bridge_slave_1 entered promiscuous mode [ 56.011108][ T7445] team0: Port device team_slave_1 added [ 56.030831][ T7442] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.038018][ T7442] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.045538][ T7442] device bridge_slave_1 entered promiscuous mode [ 56.057671][ T7439] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.064726][ T7439] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.075063][ T7439] device bridge_slave_0 entered promiscuous mode [ 56.083693][ T7446] team0: Port device team_slave_0 added [ 56.099633][ T7446] team0: Port device team_slave_1 added [ 56.107173][ T7447] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.121514][ T7447] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.130837][ T7439] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.137963][ T7439] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.145446][ T7439] device bridge_slave_1 entered promiscuous mode [ 56.167453][ T7438] team0: Port device team_slave_0 added [ 56.239218][ T7445] device hsr_slave_0 entered promiscuous mode [ 56.296871][ T7445] device hsr_slave_1 entered promiscuous mode [ 56.340935][ T7442] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.354943][ T7442] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.418376][ T7446] device hsr_slave_0 entered promiscuous mode [ 56.466679][ T7446] device hsr_slave_1 entered promiscuous mode [ 56.506605][ T7446] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 56.514339][ T7446] Cannot create hsr debugfs directory [ 56.521712][ T7438] team0: Port device team_slave_1 added [ 56.608004][ T7438] device hsr_slave_0 entered promiscuous mode [ 56.646562][ T7438] device hsr_slave_1 entered promiscuous mode [ 56.706598][ T7438] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 56.714170][ T7438] Cannot create hsr debugfs directory [ 56.721346][ T7447] team0: Port device team_slave_0 added [ 56.737314][ T7439] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.753479][ T7439] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.769100][ T7442] team0: Port device team_slave_0 added [ 56.775671][ T7447] team0: Port device team_slave_1 added [ 56.796518][ T7442] team0: Port device team_slave_1 added [ 56.814288][ T7439] team0: Port device team_slave_0 added [ 56.821222][ T7439] team0: Port device team_slave_1 added [ 56.877957][ T7447] device hsr_slave_0 entered promiscuous mode [ 56.916926][ T7447] device hsr_slave_1 entered promiscuous mode [ 56.986404][ T7447] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 56.993963][ T7447] Cannot create hsr debugfs directory [ 57.057928][ T7442] device hsr_slave_0 entered promiscuous mode [ 57.106849][ T7442] device hsr_slave_1 entered promiscuous mode [ 57.146460][ T7442] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.154035][ T7442] Cannot create hsr debugfs directory [ 57.198884][ T7439] device hsr_slave_0 entered promiscuous mode [ 57.256747][ T7439] device hsr_slave_1 entered promiscuous mode [ 57.296408][ T7439] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.303980][ T7439] Cannot create hsr debugfs directory [ 57.351136][ T7446] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.399339][ T7446] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.421837][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.430538][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.444371][ T7445] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.484763][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.492634][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.500740][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.510253][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.518604][ T2937] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.525690][ T2937] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.533639][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.542696][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.550974][ T2937] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.558042][ T2937] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.565465][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.574187][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.582602][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.591121][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.602263][ T7445] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.617523][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.625261][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.650706][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.660560][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.669510][ T2948] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.676704][ T2948] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.688253][ T7447] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.700279][ T7442] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.711862][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.720356][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.729308][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.750346][ T7439] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.759386][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.768256][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.776891][ T2685] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.783921][ T2685] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.791585][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.800088][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.808738][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.817501][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.829313][ T7438] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.843968][ T7439] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.854568][ T7446] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.865320][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.873112][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.881017][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.888763][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.896220][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.906672][ T7442] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.922122][ T7447] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.933266][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.944675][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.953396][ T2937] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.960453][ T2937] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.968277][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.975877][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.983674][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.991261][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.998885][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.007417][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.015783][ T2937] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.022882][ T2937] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.030407][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.038289][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.049053][ T7438] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.075291][ T7446] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.087392][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.095853][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.107504][ T2937] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.114562][ T2937] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.122282][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.130893][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.139735][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.148315][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.156823][ T2937] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.163878][ T2937] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.171516][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.180062][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.188471][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.197236][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.205458][ T2937] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.212548][ T2937] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.220468][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.229070][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.237451][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.245857][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.254228][ T2937] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.261301][ T2937] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.268980][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.285404][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.293329][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.300990][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.309506][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.318860][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.327419][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.335855][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.344659][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.369093][ T7445] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.380418][ T7445] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.393536][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.401328][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.410167][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.423084][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.431512][ T2948] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.438602][ T2948] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.446445][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.455206][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.463997][ T2948] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.471112][ T2948] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.479208][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.490169][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.499533][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.507868][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.516193][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.524806][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.536413][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.544603][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.553256][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.562083][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.569901][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.596028][ T7447] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.608186][ T7447] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.621312][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.640028][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.649570][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.658605][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.668167][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.677263][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.685360][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.693915][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.702226][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.710545][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.718884][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.727396][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.735514][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.743150][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.750887][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.775550][ T7439] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.796952][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.805622][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.821986][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.830638][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.842447][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.850990][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.859429][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.867966][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.876092][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.884418][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.893624][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.901885][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.910292][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.918637][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.927815][ T7442] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.938259][ T7445] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.951580][ T7460] tipc: Started in network mode [ 58.956905][ T7460] tipc: Own node identity ac1414aa, cluster identity 4711 [ 58.965052][ T7460] tipc: New replicast peer: 172.20.20.187 [ 58.971748][ T7460] check_preemption_disabled: 8 callbacks suppressed [ 58.971759][ T7460] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.5/7460 [ 58.989752][ T7460] caller is dst_cache_get+0x33/0xa0 [ 58.994964][ T7460] CPU: 1 PID: 7460 Comm: syz-executor.5 Not tainted 5.6.0-rc5-syzkaller #0 [ 59.003557][ T7460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.013698][ T7460] Call Trace: [ 59.016973][ T7460] dump_stack+0x12d/0x187 [ 59.021288][ T7460] debug_smp_processor_id.cold.1+0x84/0x9e [ 59.027075][ T7460] dst_cache_get+0x33/0xa0 [ 59.031505][ T7460] tipc_udp_xmit.isra.15+0xab/0xcd0 [ 59.036842][ T7460] ? __copy_skb_header+0x293/0x4e0 [ 59.041950][ T7460] ? tipc_udp_addr2str+0x150/0x150 [ 59.047081][ T7460] ? netdev_alloc_frag+0x160/0x160 [ 59.052379][ T7460] ? skb_copy_header+0x16/0x2a0 [ 59.057214][ T7460] ? __pskb_copy_fclone+0x4d5/0xc60 [ 59.062421][ T7460] ? rcu_read_lock_held+0x9c/0xb0 [ 59.067425][ T7460] ? rcu_read_lock_held_common+0x120/0x120 [ 59.073247][ T7460] tipc_udp_send_msg+0x229/0x3d0 [ 59.078178][ T7460] tipc_bearer_xmit_skb+0x1a5/0x370 [ 59.083443][ T7460] ? tipc_bearer_mtu+0x350/0x350 [ 59.088357][ T7460] ? tipc_disc_create+0x5d7/0x8c0 [ 59.093386][ T7460] tipc_enable_bearer+0x859/0xbb0 [ 59.098403][ T7460] ? __mutex_lock+0xc43/0x1410 [ 59.103162][ T7460] ? tipc_bearer_xmit_skb+0x370/0x370 [ 59.108548][ T7460] ? __nla_validate_parse+0xa1/0x1d80 [ 59.113967][ T7460] ? rtnl_lock+0x12/0x20 [ 59.118200][ T7460] __tipc_nl_bearer_enable+0x265/0x390 [ 59.123656][ T7460] ? __tipc_nl_bearer_enable+0x187/0x390 [ 59.129259][ T7460] ? __tipc_nl_bearer_enable+0x265/0x390 [ 59.134920][ T7460] ? tipc_nl_bearer_disable+0x30/0x30 [ 59.140282][ T7460] ? __local_bh_enable_ip+0x160/0x260 [ 59.145647][ T7460] ? __local_bh_enable_ip+0x160/0x260 [ 59.151008][ T7460] tipc_nl_bearer_enable+0x1d/0x30 [ 59.156100][ T7460] genl_rcv_msg+0x5e1/0x10f0 [ 59.160665][ T7460] ? __kasan_check_read+0x11/0x20 [ 59.165670][ T7460] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 59.172003][ T7460] netlink_rcv_skb+0x13f/0x380 [ 59.176749][ T7460] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 59.183048][ T7460] ? netlink_ack+0x9a0/0x9a0 [ 59.187612][ T7460] ? netlink_deliver_tap+0x178/0xac0 [ 59.192874][ T7460] genl_rcv+0x23/0x40 [ 59.196839][ T7460] netlink_unicast+0x479/0x6c0 [ 59.201581][ T7460] ? netlink_attachskb+0x740/0x740 [ 59.206662][ T7460] ? _copy_from_iter_full+0x18a/0x780 [ 59.212006][ T7460] ? __kasan_check_read+0x11/0x20 [ 59.217003][ T7460] ? __check_object_size+0x203/0x2ea [ 59.222289][ T7460] netlink_sendmsg+0x7ab/0xd50 [ 59.227037][ T7460] ? netlink_unicast+0x6c0/0x6c0 [ 59.231972][ T7460] ? apparmor_socket_sendmsg+0x1b/0x20 [ 59.237420][ T7460] ? netlink_unicast+0x6c0/0x6c0 [ 59.242335][ T7460] sock_sendmsg+0xe6/0x110 [ 59.246735][ T7460] ____sys_sendmsg+0x603/0x980 [ 59.251483][ T7460] ? copy_msghdr_from_user+0x209/0x420 [ 59.256936][ T7460] ? kernel_sendmsg+0x30/0x30 [ 59.261599][ T7460] ___sys_sendmsg+0xe4/0x160 [ 59.266164][ T7460] ? sendmsg_copy_msghdr+0x30/0x30 [ 59.271253][ T7460] ? __kasan_check_read+0x11/0x20 [ 59.276256][ T7460] ? __fget_files+0x283/0x3e0 [ 59.280911][ T7460] ? ksys_dup3+0x2e0/0x2e0 [ 59.285302][ T7460] ? __might_fault+0xf1/0x1b0 [ 59.289956][ T7460] ? __fget_light+0x1a7/0x220 [ 59.294606][ T7460] ? lock_acquire+0x194/0x410 [ 59.299261][ T7460] ? __fdget+0xe/0x10 [ 59.303218][ T7460] __sys_sendmsg+0xd9/0x180 [ 59.307692][ T7460] ? __sys_sendmsg_sock+0xa0/0xa0 [ 59.312695][ T7460] ? __kasan_check_read+0x11/0x20 [ 59.317699][ T7460] ? _copy_to_user+0xcb/0xf0 [ 59.322263][ T7460] ? put_timespec64+0xa9/0x100 [ 59.327006][ T7460] ? nsecs_to_jiffies+0x20/0x20 [ 59.331847][ T7460] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.337899][ T7460] __x64_sys_sendmsg+0x73/0xb0 [ 59.342638][ T7460] do_syscall_64+0xd0/0x630 [ 59.347125][ T7460] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.353003][ T7460] RIP: 0033:0x458c29 [ 59.356872][ T7460] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.376587][ T7460] RSP: 002b:00007f23e1f2ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 59.385008][ T7460] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 [ 59.392972][ T7460] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 000000000000000a [ 59.400943][ T7460] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 59.408895][ T7460] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23e1f2f6d4 [ 59.416840][ T7460] R13: 00000000004c62bc R14: 00000000004dab98 R15: 00000000ffffffff [ 59.431131][ T7460] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.5/7460 [ 59.440573][ T7460] caller is dst_cache_set_ip4+0x97/0x2e0 [ 59.446186][ T7460] CPU: 1 PID: 7460 Comm: syz-executor.5 Not tainted 5.6.0-rc5-syzkaller #0 [ 59.454779][ T7460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.464822][ T7460] Call Trace: [ 59.468097][ T7460] dump_stack+0x12d/0x187 [ 59.472415][ T7460] debug_smp_processor_id.cold.1+0x84/0x9e [ 59.478311][ T7460] dst_cache_set_ip4+0x97/0x2e0 [ 59.483224][ T7460] ? dst_cache_get_ip6+0x1b0/0x1b0 [ 59.488356][ T7460] ? xfrm_lookup_route+0x1f/0x170 [ 59.493373][ T7460] tipc_udp_xmit.isra.15+0x7aa/0xcd0 [ 59.498676][ T7460] ? __copy_skb_header+0x293/0x4e0 [ 59.503775][ T7460] ? tipc_udp_addr2str+0x150/0x150 [ 59.508883][ T7460] ? skb_copy_header+0x16/0x2a0 [ 59.513740][ T7460] ? __pskb_copy_fclone+0x4d5/0xc60 [ 59.518918][ T7460] ? rcu_read_lock_held+0x9c/0xb0 [ 59.523913][ T7460] ? rcu_read_lock_held_common+0x120/0x120 [ 59.529717][ T7460] tipc_udp_send_msg+0x229/0x3d0 [ 59.534647][ T7460] tipc_bearer_xmit_skb+0x1a5/0x370 [ 59.539824][ T7460] ? tipc_bearer_mtu+0x350/0x350 [ 59.544736][ T7460] ? tipc_disc_create+0x5d7/0x8c0 [ 59.549756][ T7460] tipc_enable_bearer+0x859/0xbb0 [ 59.554768][ T7460] ? __mutex_lock+0xc43/0x1410 [ 59.559511][ T7460] ? tipc_bearer_xmit_skb+0x370/0x370 [ 59.564855][ T7460] ? __nla_validate_parse+0xa1/0x1d80 [ 59.570230][ T7460] ? rtnl_lock+0x12/0x20 [ 59.574459][ T7460] __tipc_nl_bearer_enable+0x265/0x390 [ 59.579890][ T7460] ? __tipc_nl_bearer_enable+0x187/0x390 [ 59.585491][ T7460] ? __tipc_nl_bearer_enable+0x265/0x390 [ 59.591098][ T7460] ? tipc_nl_bearer_disable+0x30/0x30 [ 59.596459][ T7460] ? __local_bh_enable_ip+0x160/0x260 [ 59.601815][ T7460] ? __local_bh_enable_ip+0x160/0x260 [ 59.607187][ T7460] tipc_nl_bearer_enable+0x1d/0x30 [ 59.612294][ T7460] genl_rcv_msg+0x5e1/0x10f0 [ 59.616876][ T7460] ? __kasan_check_read+0x11/0x20 [ 59.621933][ T7460] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 59.628285][ T7460] netlink_rcv_skb+0x13f/0x380 [ 59.633116][ T7460] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 59.639418][ T7460] ? netlink_ack+0x9a0/0x9a0 [ 59.643990][ T7460] ? netlink_deliver_tap+0x178/0xac0 [ 59.649263][ T7460] genl_rcv+0x23/0x40 [ 59.653283][ T7460] netlink_unicast+0x479/0x6c0 [ 59.658032][ T7460] ? netlink_attachskb+0x740/0x740 [ 59.663132][ T7460] ? _copy_from_iter_full+0x18a/0x780 [ 59.668482][ T7460] ? __kasan_check_read+0x11/0x20 [ 59.673493][ T7460] ? __check_object_size+0x203/0x2ea [ 59.678754][ T7460] netlink_sendmsg+0x7ab/0xd50 [ 59.683490][ T7460] ? netlink_unicast+0x6c0/0x6c0 [ 59.688418][ T7460] ? apparmor_socket_sendmsg+0x1b/0x20 [ 59.693858][ T7460] ? netlink_unicast+0x6c0/0x6c0 [ 59.698787][ T7460] sock_sendmsg+0xe6/0x110 [ 59.703185][ T7460] ____sys_sendmsg+0x603/0x980 [ 59.707939][ T7460] ? copy_msghdr_from_user+0x209/0x420 [ 59.713400][ T7460] ? kernel_sendmsg+0x30/0x30 [ 59.718068][ T7460] ___sys_sendmsg+0xe4/0x160 [ 59.722629][ T7460] ? sendmsg_copy_msghdr+0x30/0x30 [ 59.727722][ T7460] ? __kasan_check_read+0x11/0x20 [ 59.732728][ T7460] ? __fget_files+0x283/0x3e0 [ 59.737402][ T7460] ? ksys_dup3+0x2e0/0x2e0 [ 59.741813][ T7460] ? __might_fault+0xf1/0x1b0 [ 59.746824][ T7460] ? __fget_light+0x1a7/0x220 [ 59.751480][ T7460] ? lock_acquire+0x194/0x410 [ 59.756327][ T7460] ? __fdget+0xe/0x10 [ 59.760300][ T7460] __sys_sendmsg+0xd9/0x180 [ 59.764779][ T7460] ? __sys_sendmsg_sock+0xa0/0xa0 [ 59.769783][ T7460] ? __kasan_check_read+0x11/0x20 [ 59.774798][ T7460] ? _copy_to_user+0xcb/0xf0 [ 59.779471][ T7460] ? put_timespec64+0xa9/0x100 [ 59.784222][ T7460] ? nsecs_to_jiffies+0x20/0x20 [ 59.789078][ T7460] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.795129][ T7460] __x64_sys_sendmsg+0x73/0xb0 [ 59.799870][ T7460] do_syscall_64+0xd0/0x630 [ 59.804351][ T7460] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.810742][ T7460] RIP: 0033:0x458c29 [ 59.814617][ T7460] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.834195][ T7460] RSP: 002b:00007f23e1f2ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 59.842573][ T7460] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 [ 59.850519][ T7460] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 000000000000000a [ 59.858472][ T7460] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 59.866427][ T7460] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23e1f2f6d4 [ 59.874377][ T7460] R13: 00000000004c62bc R14: 00000000004dab98 R15: 00000000ffffffff [ 59.885018][ T7460] tipc: Enabled bearer , priority 10 [ 59.931942][ T7447] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.943999][ T7439] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.975864][ T7438] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.005834][ T7442] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.022018][ T2948] tipc: 32-bit node address hash set to aa1414ac [ 60.157191][ T7488] tipc: Started in network mode [ 60.189129][ T7488] tipc: Own node identity ac1414aa, cluster identity 4711 [ 60.216607][ T7488] tipc: New replicast peer: 172.20.20.187 [ 60.222415][ T7488] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.3/7488 [ 60.232332][ T7488] caller is dst_cache_get+0x33/0xa0 [ 60.237593][ T7488] CPU: 1 PID: 7488 Comm: syz-executor.3 Not tainted 5.6.0-rc5-syzkaller #0 [ 60.246163][ T7488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.256208][ T7488] Call Trace: [ 60.259494][ T7488] dump_stack+0x12d/0x187 [ 60.263823][ T7488] debug_smp_processor_id.cold.1+0x84/0x9e [ 60.269621][ T7488] dst_cache_get+0x33/0xa0 [ 60.274035][ T7488] tipc_udp_xmit.isra.15+0xab/0xcd0 [ 60.279225][ T7488] ? __copy_skb_header+0x293/0x4e0 [ 60.284334][ T7488] ? tipc_udp_addr2str+0x150/0x150 [ 60.289438][ T7488] ? netdev_alloc_frag+0x160/0x160 [ 60.294554][ T7488] ? skb_copy_header+0x16/0x2a0 [ 60.299402][ T7488] ? __pskb_copy_fclone+0x4d5/0xc60 [ 60.304588][ T7488] ? rcu_read_lock_held+0x9c/0xb0 [ 60.309602][ T7488] ? rcu_read_lock_held_common+0x120/0x120 [ 60.315429][ T7488] tipc_udp_send_msg+0x229/0x3d0 [ 60.320364][ T7488] tipc_bearer_xmit_skb+0x1a5/0x370 [ 60.325539][ T7488] ? tipc_bearer_mtu+0x350/0x350 [ 60.330453][ T7488] ? tipc_disc_create+0x5d7/0x8c0 [ 60.335572][ T7488] tipc_enable_bearer+0x859/0xbb0 [ 60.340574][ T7488] ? tipc_bearer_xmit_skb+0x370/0x370 [ 60.345929][ T7488] ? __nla_validate_parse+0xa1/0x1d80 [ 60.351289][ T7488] ? lock_acquire+0x194/0x410 [ 60.355958][ T7488] ? rtnl_lock+0x12/0x20 [ 60.360204][ T7488] ? rtnl_lock+0x12/0x20 [ 60.364428][ T7488] __tipc_nl_bearer_enable+0x265/0x390 [ 60.369877][ T7488] ? __tipc_nl_bearer_enable+0x187/0x390 [ 60.375492][ T7488] ? __tipc_nl_bearer_enable+0x265/0x390 [ 60.381115][ T7488] ? tipc_nl_bearer_disable+0x30/0x30 [ 60.386479][ T7488] ? __local_bh_enable_ip+0x160/0x260 [ 60.391830][ T7488] ? __dev_queue_xmit+0x1278/0x29a0 [ 60.397009][ T7488] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 60.402282][ T7488] ? __local_bh_enable_ip+0x160/0x260 [ 60.407669][ T7488] tipc_nl_bearer_enable+0x1d/0x30 [ 60.412769][ T7488] genl_rcv_msg+0x5e1/0x10f0 [ 60.417345][ T7488] ? __kasan_check_read+0x11/0x20 [ 60.422447][ T7488] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 60.428802][ T7488] netlink_rcv_skb+0x13f/0x380 [ 60.433560][ T7488] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 60.439874][ T7488] ? netlink_ack+0x9a0/0x9a0 [ 60.444443][ T7488] ? netlink_deliver_tap+0x178/0xac0 [ 60.449718][ T7488] genl_rcv+0x23/0x40 [ 60.453691][ T7488] netlink_unicast+0x479/0x6c0 [ 60.458455][ T7488] ? netlink_attachskb+0x740/0x740 [ 60.463549][ T7488] ? _copy_from_iter_full+0x18a/0x780 [ 60.469019][ T7488] ? __kasan_check_read+0x11/0x20 [ 60.474040][ T7488] ? __check_object_size+0x203/0x2ea [ 60.479314][ T7488] netlink_sendmsg+0x7ab/0xd50 [ 60.484069][ T7488] ? netlink_unicast+0x6c0/0x6c0 [ 60.489022][ T7488] ? apparmor_socket_sendmsg+0x1b/0x20 [ 60.494485][ T7488] ? netlink_unicast+0x6c0/0x6c0 [ 60.499429][ T7488] sock_sendmsg+0xe6/0x110 [ 60.503824][ T7488] ____sys_sendmsg+0x603/0x980 [ 60.508566][ T7488] ? copy_msghdr_from_user+0x209/0x420 [ 60.514008][ T7488] ? kernel_sendmsg+0x30/0x30 [ 60.518668][ T7488] ___sys_sendmsg+0xe4/0x160 [ 60.523233][ T7488] ? sendmsg_copy_msghdr+0x30/0x30 [ 60.528330][ T7488] ? __kasan_check_read+0x11/0x20 [ 60.533342][ T7488] ? __fget_files+0x283/0x3e0 [ 60.538010][ T7488] ? ksys_dup3+0x2e0/0x2e0 [ 60.542428][ T7488] ? __might_fault+0xf1/0x1b0 [ 60.547097][ T7488] ? __fget_light+0x1a7/0x220 [ 60.551762][ T7488] ? lock_acquire+0x194/0x410 [ 60.556461][ T7488] ? __fdget+0xe/0x10 [ 60.560439][ T7488] __sys_sendmsg+0xd9/0x180 [ 60.564917][ T7488] ? __sys_sendmsg_sock+0xa0/0xa0 [ 60.569919][ T7488] ? __kasan_check_read+0x11/0x20 [ 60.574925][ T7488] ? _copy_to_user+0xcb/0xf0 [ 60.579512][ T7488] ? put_timespec64+0xa9/0x100 [ 60.584304][ T7488] ? nsecs_to_jiffies+0x20/0x20 [ 60.589159][ T7488] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.595216][ T7488] __x64_sys_sendmsg+0x73/0xb0 [ 60.599967][ T7488] do_syscall_64+0xd0/0x630 [ 60.604498][ T7488] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.610373][ T7488] RIP: 0033:0x458c29 [ 60.614253][ T7488] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 60.633839][ T7488] RSP: 002b:00007f79e5e2fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 60.642245][ T7488] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 [ 60.650233][ T7488] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 000000000000000a [ 60.658205][ T7488] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 60.666225][ T7488] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f79e5e306d4 [ 60.674191][ T7488] R13: 00000000004c62bc R14: 00000000004dab98 R15: 00000000ffffffff [ 60.683169][ T7488] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.3/7488 [ 60.692752][ T7488] caller is dst_cache_set_ip4+0x97/0x2e0 [ 60.698461][ T7488] CPU: 0 PID: 7488 Comm: syz-executor.3 Not tainted 5.6.0-rc5-syzkaller #0 [ 60.707029][ T7488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.717066][ T7488] Call Trace: [ 60.720347][ T7488] dump_stack+0x12d/0x187 [ 60.724671][ T7488] debug_smp_processor_id.cold.1+0x84/0x9e [ 60.730459][ T7488] dst_cache_set_ip4+0x97/0x2e0 [ 60.735303][ T7488] ? dst_cache_get_ip6+0x1b0/0x1b0 [ 60.740411][ T7488] ? xfrm_lookup_route+0x1f/0x170 [ 60.745439][ T7488] tipc_udp_xmit.isra.15+0x7aa/0xcd0 [ 60.750895][ T7488] ? __copy_skb_header+0x293/0x4e0 [ 60.756083][ T7488] ? tipc_udp_addr2str+0x150/0x150 [ 60.761188][ T7488] ? skb_copy_header+0x16/0x2a0 [ 60.766023][ T7488] ? __pskb_copy_fclone+0x4d5/0xc60 [ 60.771197][ T7488] ? rcu_read_lock_held+0x9c/0xb0 [ 60.776193][ T7488] ? rcu_read_lock_held_common+0x120/0x120 [ 60.781975][ T7488] tipc_udp_send_msg+0x229/0x3d0 [ 60.786899][ T7488] tipc_bearer_xmit_skb+0x1a5/0x370 [ 60.792068][ T7488] ? tipc_bearer_mtu+0x350/0x350 [ 60.796991][ T7488] ? tipc_disc_create+0x5d7/0x8c0 [ 60.802001][ T7488] tipc_enable_bearer+0x859/0xbb0 [ 60.807000][ T7488] ? tipc_bearer_xmit_skb+0x370/0x370 [ 60.812343][ T7488] ? __nla_validate_parse+0xa1/0x1d80 [ 60.818030][ T7488] ? lock_acquire+0x194/0x410 [ 60.822679][ T7488] ? rtnl_lock+0x12/0x20 [ 60.826919][ T7488] ? rtnl_lock+0x12/0x20 [ 60.831144][ T7488] __tipc_nl_bearer_enable+0x265/0x390 [ 60.836587][ T7488] ? __tipc_nl_bearer_enable+0x187/0x390 [ 60.842208][ T7488] ? __tipc_nl_bearer_enable+0x265/0x390 [ 60.847828][ T7488] ? tipc_nl_bearer_disable+0x30/0x30 [ 60.853178][ T7488] ? __local_bh_enable_ip+0x160/0x260 [ 60.858525][ T7488] ? __dev_queue_xmit+0x1278/0x29a0 [ 60.863698][ T7488] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 60.868956][ T7488] ? __local_bh_enable_ip+0x160/0x260 [ 60.874313][ T7488] tipc_nl_bearer_enable+0x1d/0x30 [ 60.879402][ T7488] genl_rcv_msg+0x5e1/0x10f0 [ 60.883965][ T7488] ? __kasan_check_read+0x11/0x20 [ 60.888964][ T7488] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 60.895286][ T7488] netlink_rcv_skb+0x13f/0x380 [ 60.900110][ T7488] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 60.906496][ T7488] ? netlink_ack+0x9a0/0x9a0 [ 60.911071][ T7488] ? netlink_deliver_tap+0x178/0xac0 [ 60.916342][ T7488] genl_rcv+0x23/0x40 [ 60.920298][ T7488] netlink_unicast+0x479/0x6c0 [ 60.925039][ T7488] ? netlink_attachskb+0x740/0x740 [ 60.930207][ T7488] ? _copy_from_iter_full+0x18a/0x780 [ 60.935551][ T7488] ? __kasan_check_read+0x11/0x20 [ 60.940544][ T7488] ? __check_object_size+0x203/0x2ea [ 60.945800][ T7488] netlink_sendmsg+0x7ab/0xd50 [ 60.950539][ T7488] ? netlink_unicast+0x6c0/0x6c0 [ 60.955455][ T7488] ? apparmor_socket_sendmsg+0x1b/0x20 [ 60.960886][ T7488] ? netlink_unicast+0x6c0/0x6c0 [ 60.965804][ T7488] sock_sendmsg+0xe6/0x110 [ 60.970199][ T7488] ____sys_sendmsg+0x603/0x980 [ 60.974942][ T7488] ? copy_msghdr_from_user+0x209/0x420 [ 60.980479][ T7488] ? kernel_sendmsg+0x30/0x30 [ 60.985155][ T7488] ___sys_sendmsg+0xe4/0x160 [ 60.989726][ T7488] ? sendmsg_copy_msghdr+0x30/0x30 [ 60.994817][ T7488] ? __kasan_check_read+0x11/0x20 [ 60.999818][ T7488] ? __fget_files+0x283/0x3e0 [ 61.004474][ T7488] ? ksys_dup3+0x2e0/0x2e0 [ 61.008866][ T7488] ? __might_fault+0xf1/0x1b0 [ 61.013524][ T7488] ? __fget_light+0x1a7/0x220 [ 61.018171][ T7488] ? lock_acquire+0x194/0x410 [ 61.022822][ T7488] ? __fdget+0xe/0x10 [ 61.026791][ T7488] __sys_sendmsg+0xd9/0x180 [ 61.031266][ T7488] ? __sys_sendmsg_sock+0xa0/0xa0 [ 61.036258][ T7488] ? __kasan_check_read+0x11/0x20 [ 61.041522][ T7488] ? _copy_to_user+0xcb/0xf0 [ 61.046087][ T7488] ? put_timespec64+0xa9/0x100 [ 61.050823][ T7488] ? nsecs_to_jiffies+0x20/0x20 [ 61.055667][ T7488] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.061720][ T7488] __x64_sys_sendmsg+0x73/0xb0 [ 61.066477][ T7488] do_syscall_64+0xd0/0x630 [ 61.070954][ T7488] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.076816][ T7488] RIP: 0033:0x458c29 [ 61.080683][ T7488] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 61.100256][ T7488] RSP: 002b:00007f79e5e2fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 61.108636][ T7488] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 [ 61.116584][ T7488] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 000000000000000a [ 61.124526][ T7488] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 61.132479][ T7488] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f79e5e306d4 [ 61.140440][ T7488] R13: 00000000004c62bc R14: 00000000004dab98 R15: 00000000ffffffff [ 61.192313][ T7488] tipc: Enabled bearer , priority 10 [ 61.292643][ T7466] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 61.317298][ T2937] tipc: 32-bit node address hash set to aa1414ac [ 61.352964][ T7460] tipc: Enabling of bearer rejected, already enabled [ 61.405823][ T7525] tipc: Started in network mode [ 61.415405][ T7525] tipc: Own node identity ac1414aa, cluster identity 4711 [ 61.471663][ T7525] tipc: New replicast peer: 172.20.20.187 [ 61.497317][ T7525] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/7525 [ 61.506927][ T7525] caller is dst_cache_get+0x33/0xa0 [ 61.512116][ T7525] CPU: 0 PID: 7525 Comm: syz-executor.0 Not tainted 5.6.0-rc5-syzkaller #0 [ 61.520771][ T7525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.530821][ T7525] Call Trace: [ 61.534102][ T7525] dump_stack+0x12d/0x187 [ 61.538427][ T7525] debug_smp_processor_id.cold.1+0x84/0x9e [ 61.544220][ T7525] dst_cache_get+0x33/0xa0 [ 61.548626][ T7525] tipc_udp_xmit.isra.15+0xab/0xcd0 [ 61.553810][ T7525] ? __copy_skb_header+0x293/0x4e0 [ 61.558913][ T7525] ? tipc_udp_addr2str+0x150/0x150 [ 61.564007][ T7525] ? netdev_alloc_frag+0x160/0x160 [ 61.569111][ T7525] ? skb_copy_header+0x16/0x2a0 [ 61.573951][ T7525] ? __pskb_copy_fclone+0x4d5/0xc60 [ 61.579132][ T7525] ? rcu_read_lock_held+0x9c/0xb0 [ 61.584142][ T7525] ? rcu_read_lock_held_common+0x120/0x120 [ 61.589944][ T7525] tipc_udp_send_msg+0x229/0x3d0 [ 61.594877][ T7525] tipc_bearer_xmit_skb+0x1a5/0x370 [ 61.600067][ T7525] ? tipc_bearer_mtu+0x350/0x350 [ 61.604989][ T7525] ? tipc_disc_create+0x5d7/0x8c0 [ 61.610007][ T7525] tipc_enable_bearer+0x859/0xbb0 [ 61.615109][ T7525] ? __mutex_lock+0xc43/0x1410 [ 61.619872][ T7525] ? tipc_bearer_xmit_skb+0x370/0x370 [ 61.625231][ T7525] ? __nla_validate_parse+0xa1/0x1d80 [ 61.630612][ T7525] ? rtnl_lock+0x12/0x20 [ 61.635286][ T7525] __tipc_nl_bearer_enable+0x265/0x390 [ 61.640734][ T7525] ? __tipc_nl_bearer_enable+0x187/0x390 [ 61.646447][ T7525] ? __tipc_nl_bearer_enable+0x265/0x390 [ 61.653118][ T7525] ? tipc_nl_bearer_disable+0x30/0x30 [ 61.658638][ T7525] ? ___preempt_schedule+0x16/0x18 [ 61.663757][ T7525] tipc_nl_bearer_enable+0x1d/0x30 [ 61.669029][ T7525] genl_rcv_msg+0x5e1/0x10f0 [ 61.673621][ T7525] ? __kasan_check_read+0x11/0x20 [ 61.678649][ T7525] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 61.684970][ T7525] ? lock_downgrade+0x900/0x900 [ 61.689854][ T7525] netlink_rcv_skb+0x13f/0x380 [ 61.694615][ T7525] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 61.701287][ T7525] ? netlink_ack+0x9a0/0x9a0 [ 61.705881][ T7525] ? netlink_deliver_tap+0x178/0xac0 [ 61.711177][ T7525] genl_rcv+0x23/0x40 [ 61.715152][ T7525] netlink_unicast+0x479/0x6c0 [ 61.719917][ T7525] ? netlink_attachskb+0x740/0x740 [ 61.725019][ T7525] ? _copy_from_iter_full+0x18a/0x780 [ 61.730383][ T7525] ? __kasan_check_read+0x11/0x20 [ 61.735927][ T7525] ? __check_object_size+0x203/0x2ea [ 61.741309][ T7525] netlink_sendmsg+0x7ab/0xd50 [ 61.746325][ T7525] ? netlink_unicast+0x6c0/0x6c0 [ 61.751269][ T7525] ? apparmor_socket_sendmsg+0x1b/0x20 [ 61.756722][ T7525] ? netlink_unicast+0x6c0/0x6c0 [ 61.761759][ T7525] sock_sendmsg+0xe6/0x110 [ 61.766195][ T7525] ____sys_sendmsg+0x603/0x980 [ 61.771242][ T7525] ? copy_msghdr_from_user+0x209/0x420 [ 61.776720][ T7525] ? kernel_sendmsg+0x30/0x30 [ 61.781406][ T7525] ___sys_sendmsg+0xe4/0x160 [ 61.786248][ T7525] ? sendmsg_copy_msghdr+0x30/0x30 [ 61.791975][ T7525] ? __kasan_check_read+0x11/0x20 [ 61.799690][ T7525] ? __fget_files+0x283/0x3e0 [ 61.805344][ T7525] ? ksys_dup3+0x2e0/0x2e0 [ 61.811234][ T7525] ? __might_fault+0xf1/0x1b0 [ 61.815782][ T7466] syz-executor.5 (7466) used greatest stack depth: 20264 bytes left [ 61.815933][ T7525] ? __fget_light+0x1a7/0x220 [ 61.829935][ T7525] ? lock_acquire+0x194/0x410 [ 61.834616][ T7525] ? __fdget+0xe/0x10 [ 61.838595][ T7525] __sys_sendmsg+0xd9/0x180 [ 61.844485][ T7525] ? __sys_sendmsg_sock+0xa0/0xa0 [ 61.849497][ T7525] ? __kasan_check_read+0x11/0x20 [ 61.854513][ T7525] ? _copy_to_user+0xcb/0xf0 [ 61.859094][ T7525] ? put_timespec64+0xa9/0x100 [ 61.863846][ T7525] ? nsecs_to_jiffies+0x20/0x20 [ 61.868720][ T7525] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.874885][ T7525] __x64_sys_sendmsg+0x73/0xb0 [ 61.879813][ T7525] do_syscall_64+0xd0/0x630 [ 61.884398][ T7525] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.890716][ T7525] RIP: 0033:0x458c29 [ 61.894599][ T7525] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 61.914636][ T7525] RSP: 002b:00007f02fb89fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 61.923055][ T7525] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 [ 61.931277][ T7525] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 000000000000000a [ 61.939497][ T7525] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 61.947907][ T7525] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f02fb8a06d4 [ 61.956254][ T7525] R13: 00000000004c62bc R14: 00000000004dab98 R15: 00000000ffffffff [ 61.969953][ T7525] tipc: Enabled bearer , priority 10 [ 62.004461][ T7505] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 62.045169][ T7498] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 62.079072][ T7488] tipc: Enabling of bearer rejected, already enabled 2020/03/22 07:01:09 executed programs: 6 [ 62.468031][ T7493] tipc: Started in network mode [ 62.473118][ T7493] tipc: Own node identity ac1414aa, cluster identity 4711 [ 62.480909][ T7493] tipc: New replicast peer: 172.20.20.187 [ 62.492043][ T7493] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.2/7493 [ 62.502031][ T7493] caller is dst_cache_get+0x33/0xa0 [ 62.507259][ T7493] CPU: 1 PID: 7493 Comm: syz-executor.2 Not tainted 5.6.0-rc5-syzkaller #0 [ 62.515828][ T7493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.516483][ T2690] tipc: 32-bit node address hash set to aa1414ac [ 62.525884][ T7493] Call Trace: [ 62.525898][ T7493] dump_stack+0x12d/0x187 [ 62.539792][ T7493] debug_smp_processor_id.cold.1+0x84/0x9e [ 62.545592][ T7493] dst_cache_get+0x33/0xa0 [ 62.550093][ T7493] tipc_udp_xmit.isra.15+0xab/0xcd0 [ 62.555284][ T7493] ? __copy_skb_header+0x293/0x4e0 [ 62.560595][ T7493] ? tipc_udp_addr2str+0x150/0x150 [ 62.565705][ T7493] ? netdev_alloc_frag+0x160/0x160 [ 62.570815][ T7493] ? skb_copy_header+0x16/0x2a0 [ 62.575686][ T7493] ? __pskb_copy_fclone+0x4d5/0xc60 [ 62.580959][ T7493] ? rcu_read_lock_held+0x9c/0xb0 [ 62.585975][ T7493] ? rcu_read_lock_held_common+0x120/0x120 [ 62.591781][ T7493] tipc_udp_send_msg+0x229/0x3d0 [ 62.596736][ T7493] tipc_bearer_xmit_skb+0x1a5/0x370 [ 62.601927][ T7493] ? tipc_bearer_mtu+0x350/0x350 [ 62.607303][ T7493] ? tipc_disc_create+0x5d7/0x8c0 [ 62.612341][ T7493] tipc_enable_bearer+0x859/0xbb0 [ 62.617522][ T7493] ? __mutex_lock+0xc43/0x1410 [ 62.622296][ T7493] ? tipc_bearer_xmit_skb+0x370/0x370 [ 62.627757][ T7493] ? __nla_validate_parse+0xa1/0x1d80 [ 62.633620][ T7493] ? rtnl_lock+0x12/0x20 [ 62.637851][ T7493] __tipc_nl_bearer_enable+0x265/0x390 [ 62.643376][ T7493] ? __tipc_nl_bearer_enable+0x187/0x390 [ 62.648991][ T7493] ? __tipc_nl_bearer_enable+0x265/0x390 [ 62.654619][ T7493] ? tipc_nl_bearer_disable+0x30/0x30 [ 62.659990][ T7493] ? __local_bh_enable_ip+0x160/0x260 [ 62.666032][ T7493] ? __local_bh_enable_ip+0x160/0x260 [ 62.672800][ T7493] tipc_nl_bearer_enable+0x1d/0x30 [ 62.678001][ T7493] genl_rcv_msg+0x5e1/0x10f0 [ 62.682582][ T7493] ? __kasan_check_read+0x11/0x20 [ 62.687609][ T7493] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 62.694119][ T7493] netlink_rcv_skb+0x13f/0x380 [ 62.698879][ T7493] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 62.705292][ T7493] ? netlink_ack+0x9a0/0x9a0 [ 62.709969][ T7493] ? netlink_deliver_tap+0x178/0xac0 [ 62.715236][ T7493] genl_rcv+0x23/0x40 [ 62.719205][ T7493] netlink_unicast+0x479/0x6c0 [ 62.724046][ T7493] ? netlink_attachskb+0x740/0x740 [ 62.729141][ T7493] ? _copy_from_iter_full+0x18a/0x780 [ 62.735090][ T7493] ? __kasan_check_read+0x11/0x20 [ 62.740121][ T7493] ? __check_object_size+0x203/0x2ea [ 62.745478][ T7493] netlink_sendmsg+0x7ab/0xd50 [ 62.750223][ T7493] ? netlink_unicast+0x6c0/0x6c0 [ 62.755149][ T7493] ? apparmor_socket_sendmsg+0x1b/0x20 [ 62.760595][ T7493] ? netlink_unicast+0x6c0/0x6c0 [ 62.765777][ T7493] sock_sendmsg+0xe6/0x110 [ 62.771297][ T7493] ____sys_sendmsg+0x603/0x980 [ 62.776050][ T7493] ? copy_msghdr_from_user+0x209/0x420 [ 62.781571][ T7493] ? kernel_sendmsg+0x30/0x30 [ 62.786362][ T7493] ___sys_sendmsg+0xe4/0x160 [ 62.791556][ T7493] ? sendmsg_copy_msghdr+0x30/0x30 [ 62.797037][ T7493] ? __kasan_check_read+0x11/0x20 [ 62.802581][ T7493] ? __fget_files+0x283/0x3e0 [ 62.807257][ T7493] ? ksys_dup3+0x2e0/0x2e0 [ 62.811728][ T7493] ? __might_fault+0xf1/0x1b0 [ 62.816404][ T7493] ? __fget_light+0x1a7/0x220 [ 62.821066][ T7493] ? lock_acquire+0x194/0x410 [ 62.825719][ T7493] ? __fdget+0xe/0x10 [ 62.829681][ T7493] __sys_sendmsg+0xd9/0x180 [ 62.834773][ T7493] ? __sys_sendmsg_sock+0xa0/0xa0 [ 62.839779][ T7493] ? __kasan_check_read+0x11/0x20 [ 62.845823][ T7493] ? _copy_to_user+0xcb/0xf0 [ 62.850403][ T7493] ? put_timespec64+0xa9/0x100 [ 62.855172][ T7493] ? nsecs_to_jiffies+0x20/0x20 [ 62.860364][ T7493] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.867174][ T7493] __x64_sys_sendmsg+0x73/0xb0 [ 62.871926][ T7493] do_syscall_64+0xd0/0x630 [ 62.876517][ T7493] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.882581][ T7493] RIP: 0033:0x458c29 [ 62.886466][ T7493] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 62.906139][ T7493] RSP: 002b:00007f0e39bd6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 62.914540][ T7493] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 [ 62.922489][ T7493] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 000000000000000b [ 62.930447][ T7493] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 62.938512][ T7493] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e39bd76d4 [ 62.946473][ T7493] R13: 00000000004c62bc R14: 00000000004dab98 R15: 00000000ffffffff [ 62.961007][ T7493] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.2/7493 [ 62.970512][ T7493] caller is dst_cache_set_ip4+0x97/0x2e0 [ 62.976162][ T7493] CPU: 0 PID: 7493 Comm: syz-executor.2 Not tainted 5.6.0-rc5-syzkaller #0 [ 62.984721][ T7493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.994757][ T7493] Call Trace: [ 62.998026][ T7493] dump_stack+0x12d/0x187 [ 63.002346][ T7493] debug_smp_processor_id.cold.1+0x84/0x9e [ 63.008134][ T7493] dst_cache_set_ip4+0x97/0x2e0 [ 63.012978][ T7493] ? dst_cache_get_ip6+0x1b0/0x1b0 [ 63.018081][ T7493] ? xfrm_lookup_route+0x1f/0x170 [ 63.023096][ T7493] tipc_udp_xmit.isra.15+0x7aa/0xcd0 [ 63.028467][ T7493] ? __copy_skb_header+0x293/0x4e0 [ 63.033553][ T7493] ? tipc_udp_addr2str+0x150/0x150 [ 63.038665][ T7493] ? skb_copy_header+0x16/0x2a0 [ 63.043490][ T7493] ? __pskb_copy_fclone+0x4d5/0xc60 [ 63.048664][ T7493] ? rcu_read_lock_held+0x9c/0xb0 [ 63.053665][ T7493] ? rcu_read_lock_held_common+0x120/0x120 [ 63.059459][ T7493] tipc_udp_send_msg+0x229/0x3d0 [ 63.064398][ T7493] tipc_bearer_xmit_skb+0x1a5/0x370 [ 63.070628][ T7493] ? tipc_bearer_mtu+0x350/0x350 [ 63.075582][ T7493] ? tipc_disc_create+0x5d7/0x8c0 [ 63.080600][ T7493] tipc_enable_bearer+0x859/0xbb0 [ 63.085701][ T7493] ? __mutex_lock+0xc43/0x1410 [ 63.090441][ T7493] ? tipc_bearer_xmit_skb+0x370/0x370 [ 63.095985][ T7493] ? __nla_validate_parse+0xa1/0x1d80 [ 63.101340][ T7493] ? rtnl_lock+0x12/0x20 [ 63.105581][ T7493] __tipc_nl_bearer_enable+0x265/0x390 [ 63.111023][ T7493] ? __tipc_nl_bearer_enable+0x187/0x390 [ 63.116652][ T7493] ? __tipc_nl_bearer_enable+0x265/0x390 [ 63.122482][ T7493] ? tipc_nl_bearer_disable+0x30/0x30 [ 63.127829][ T7493] ? __local_bh_enable_ip+0x160/0x260 [ 63.133174][ T7493] ? __local_bh_enable_ip+0x160/0x260 [ 63.138543][ T7493] tipc_nl_bearer_enable+0x1d/0x30 [ 63.143660][ T7493] genl_rcv_msg+0x5e1/0x10f0 [ 63.148225][ T7493] ? __kasan_check_read+0x11/0x20 [ 63.153254][ T7493] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 63.159741][ T7493] netlink_rcv_skb+0x13f/0x380 [ 63.164480][ T7493] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 63.170834][ T7493] ? netlink_ack+0x9a0/0x9a0 [ 63.176491][ T7493] ? netlink_deliver_tap+0x178/0xac0 [ 63.181860][ T7493] genl_rcv+0x23/0x40 [ 63.185818][ T7493] netlink_unicast+0x479/0x6c0 [ 63.190819][ T7493] ? netlink_attachskb+0x740/0x740 [ 63.196274][ T7493] ? _copy_from_iter_full+0x18a/0x780 [ 63.201628][ T7493] ? __kasan_check_read+0x11/0x20 [ 63.206652][ T7493] ? __check_object_size+0x203/0x2ea [ 63.211933][ T7493] netlink_sendmsg+0x7ab/0xd50 [ 63.216694][ T7493] ? netlink_unicast+0x6c0/0x6c0 [ 63.221627][ T7493] ? apparmor_socket_sendmsg+0x1b/0x20 [ 63.227090][ T7493] ? netlink_unicast+0x6c0/0x6c0 [ 63.232019][ T7493] sock_sendmsg+0xe6/0x110 [ 63.236700][ T7493] ____sys_sendmsg+0x603/0x980 [ 63.241446][ T7493] ? copy_msghdr_from_user+0x209/0x420 [ 63.246903][ T7493] ? kernel_sendmsg+0x30/0x30 [ 63.251877][ T7493] ___sys_sendmsg+0xe4/0x160 [ 63.258372][ T7493] ? sendmsg_copy_msghdr+0x30/0x30 [ 63.263493][ T7493] ? __kasan_check_read+0x11/0x20 [ 63.268524][ T7493] ? __fget_files+0x283/0x3e0 [ 63.273306][ T7493] ? ksys_dup3+0x2e0/0x2e0 [ 63.277721][ T7493] ? __might_fault+0xf1/0x1b0 [ 63.282484][ T7493] ? __fget_light+0x1a7/0x220 [ 63.287150][ T7493] ? lock_acquire+0x194/0x410 [ 63.291810][ T7493] ? __fdget+0xe/0x10 [ 63.296166][ T7493] __sys_sendmsg+0xd9/0x180 [ 63.300692][ T7493] ? __sys_sendmsg_sock+0xa0/0xa0 [ 63.305896][ T7493] ? __kasan_check_read+0x11/0x20 [ 63.310897][ T7493] ? _copy_to_user+0xcb/0xf0 [ 63.315725][ T7493] ? put_timespec64+0xa9/0x100 [ 63.320743][ T7493] ? nsecs_to_jiffies+0x20/0x20 [ 63.325581][ T7493] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.331711][ T7493] __x64_sys_sendmsg+0x73/0xb0 [ 63.336809][ T7493] do_syscall_64+0xd0/0x630 [ 63.341308][ T7493] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.347189][ T7493] RIP: 0033:0x458c29 [ 63.351059][ T7493] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 63.370742][ T7493] RSP: 002b:00007f0e39bd6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 63.379164][ T7493] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 [ 63.387138][ T7493] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 000000000000000b [ 63.395089][ T7493] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 63.403032][ T7493] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e39bd76d4 [ 63.410976][ T7493] R13: 00000000004c62bc R14: 00000000004dab98 R15: 00000000ffffffff [ 63.429005][ T104] tipc: TX() has been purged, node left! [ 63.439711][ T7493] tipc: Enabled bearer , priority 10 [ 63.566451][ T2945] tipc: 32-bit node address hash set to aa1414ac 2020/03/22 07:01:10 result: hanged=false err=executor 1: exit status 67 failed to mkdir (errno 28) loop exited with status 67 failed to mkdir (errno 28) loop exited with status 67 [ 63.733271][ T7525] tipc: Enabling of bearer rejected, already enabled [ 63.744934][ T7567] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 63.759433][ T7531] tipc: Enabling of bearer rejected, already enabled [ 63.802523][ T7542] tipc: Enabling of bearer rejected, already enabled [ 63.884540][ T7569] IPVS: ftp: loaded support on port[0] = 21 [ 63.923369][ T7572] tipc: Enabling of bearer rejected, already enabled [ 63.988252][ T7575] tipc: Started in network mode [ 63.993235][ T7575] tipc: Own node identity ac1414aa, cluster identity 4711 [ 64.022390][ T7575] tipc: New replicast peer: 172.20.20.187 [ 64.058047][ T7575] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.4/7575 [ 64.067704][ T7575] caller is dst_cache_get+0x33/0xa0 [ 64.073008][ T7575] CPU: 1 PID: 7575 Comm: syz-executor.4 Not tainted 5.6.0-rc5-syzkaller #0 [ 64.082210][ T7575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.092211][ T7585] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 64.092360][ T7575] Call Trace: [ 64.092373][ T7575] dump_stack+0x12d/0x187 [ 64.092390][ T7575] debug_smp_processor_id.cold.1+0x84/0x9e [ 64.092402][ T7575] dst_cache_get+0x33/0xa0 [ 64.128964][ T7575] tipc_udp_xmit.isra.15+0xab/0xcd0 [ 64.134154][ T7575] ? __copy_skb_header+0x293/0x4e0 [ 64.139270][ T7575] ? tipc_udp_addr2str+0x150/0x150 [ 64.144475][ T7575] ? netdev_alloc_frag+0x160/0x160 [ 64.149592][ T7575] ? skb_copy_header+0x16/0x2a0 [ 64.154448][ T7575] ? __pskb_copy_fclone+0x4d5/0xc60 [ 64.159640][ T7575] ? rcu_read_lock_held+0x9c/0xb0 [ 64.164662][ T7575] ? rcu_read_lock_held_common+0x120/0x120 [ 64.170558][ T7575] tipc_udp_send_msg+0x229/0x3d0 [ 64.175496][ T7575] tipc_bearer_xmit_skb+0x1a5/0x370 [ 64.180692][ T7575] ? tipc_bearer_mtu+0x350/0x350 [ 64.185994][ T7575] ? tipc_disc_create+0x5d7/0x8c0 [ 64.191034][ T7575] tipc_enable_bearer+0x859/0xbb0 [ 64.196399][ T7575] ? __mutex_lock+0xc43/0x1410 [ 64.201415][ T7575] ? tipc_bearer_xmit_skb+0x370/0x370 [ 64.207054][ T7575] ? __nla_validate_parse+0xa1/0x1d80 [ 64.212440][ T7575] ? rtnl_lock+0x12/0x20 [ 64.216688][ T7575] __tipc_nl_bearer_enable+0x265/0x390 [ 64.222143][ T7575] ? __tipc_nl_bearer_enable+0x187/0x390 [ 64.227770][ T7575] ? __tipc_nl_bearer_enable+0x265/0x390 [ 64.233401][ T7575] ? tipc_nl_bearer_disable+0x30/0x30 [ 64.238773][ T7575] ? __local_bh_enable_ip+0x160/0x260 [ 64.244141][ T7575] ? __local_bh_enable_ip+0x160/0x260 [ 64.249520][ T7575] tipc_nl_bearer_enable+0x1d/0x30 [ 64.254699][ T7575] genl_rcv_msg+0x5e1/0x10f0 [ 64.259273][ T7575] ? __kasan_check_read+0x11/0x20 [ 64.264291][ T7575] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 64.270672][ T7575] netlink_rcv_skb+0x13f/0x380 [ 64.275413][ T7575] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 64.281839][ T7575] ? netlink_ack+0x9a0/0x9a0 [ 64.286436][ T7575] ? netlink_deliver_tap+0x178/0xac0 [ 64.291734][ T7575] genl_rcv+0x23/0x40 [ 64.295706][ T7575] netlink_unicast+0x479/0x6c0 [ 64.300446][ T7575] ? netlink_attachskb+0x740/0x740 [ 64.305647][ T7575] ? _copy_from_iter_full+0x18a/0x780 [ 64.311016][ T7575] ? __kasan_check_read+0x11/0x20 [ 64.316037][ T7575] ? __check_object_size+0x203/0x2ea [ 64.321318][ T7575] netlink_sendmsg+0x7ab/0xd50 [ 64.326154][ T7575] ? netlink_unicast+0x6c0/0x6c0 [ 64.331235][ T7575] ? apparmor_socket_sendmsg+0x1b/0x20 [ 64.336809][ T7575] ? netlink_unicast+0x6c0/0x6c0 [ 64.341744][ T7575] sock_sendmsg+0xe6/0x110 [ 64.346171][ T7575] ____sys_sendmsg+0x603/0x980 [ 64.351009][ T7575] ? copy_msghdr_from_user+0x209/0x420 [ 64.356460][ T7575] ? kernel_sendmsg+0x30/0x30 [ 64.361219][ T7575] ___sys_sendmsg+0xe4/0x160 [ 64.365789][ T7575] ? sendmsg_copy_msghdr+0x30/0x30 [ 64.370882][ T7575] ? __kasan_check_read+0x11/0x20 [ 64.375891][ T7575] ? __fget_files+0x283/0x3e0 [ 64.380561][ T7575] ? ksys_dup3+0x2e0/0x2e0 [ 64.384970][ T7575] ? __might_fault+0xf1/0x1b0 [ 64.389639][ T7575] ? __fget_light+0x1a7/0x220 [ 64.394310][ T7575] ? lock_acquire+0x194/0x410 [ 64.398966][ T7575] ? __fdget+0xe/0x10 [ 64.402931][ T7575] __sys_sendmsg+0xd9/0x180 [ 64.407415][ T7575] ? __sys_sendmsg_sock+0xa0/0xa0 [ 64.412425][ T7575] ? __kasan_check_read+0x11/0x20 [ 64.417437][ T7575] ? _copy_to_user+0xcb/0xf0 [ 64.422021][ T7575] ? put_timespec64+0xa9/0x100 [ 64.426770][ T7575] ? nsecs_to_jiffies+0x20/0x20 [ 64.431622][ T7575] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.437682][ T7575] __x64_sys_sendmsg+0x73/0xb0 [ 64.442474][ T7575] do_syscall_64+0xd0/0x630 [ 64.446967][ T7575] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.452845][ T7575] RIP: 0033:0x458c29 [ 64.456725][ T7575] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 64.476313][ T7575] RSP: 002b:00007f8ea1fc6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 64.484711][ T7575] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 [ 64.492677][ T7575] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 000000000000000a [ 64.500638][ T7575] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 64.508599][ T7575] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8ea1fc76d4 [ 64.516563][ T7575] R13: 00000000004c62bc R14: 00000000004dab98 R15: 00000000ffffffff [ 64.697733][ T7575] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.4/7575 [ 64.707219][ T7575] caller is dst_cache_set_ip4+0x97/0x2e0 [ 64.712852][ T7575] CPU: 1 PID: 7575 Comm: syz-executor.4 Not tainted 5.6.0-rc5-syzkaller #0 [ 64.721428][ T7575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.731478][ T7575] Call Trace: [ 64.734769][ T7575] dump_stack+0x12d/0x187 [ 64.739109][ T7575] debug_smp_processor_id.cold.1+0x84/0x9e [ 64.744909][ T7575] dst_cache_set_ip4+0x97/0x2e0 [ 64.749789][ T7575] ? dst_cache_get_ip6+0x1b0/0x1b0 [ 64.755030][ T7575] ? xfrm_lookup_route+0x1f/0x170 [ 64.760058][ T7575] tipc_udp_xmit.isra.15+0x7aa/0xcd0 [ 64.765332][ T7575] ? __copy_skb_header+0x293/0x4e0 [ 64.770444][ T7575] ? tipc_udp_addr2str+0x150/0x150 [ 64.775558][ T7575] ? skb_copy_header+0x16/0x2a0 [ 64.780516][ T7575] ? __pskb_copy_fclone+0x4d5/0xc60 [ 64.785703][ T7575] ? rcu_read_lock_held+0x9c/0xb0 [ 64.790718][ T7575] ? rcu_read_lock_held_common+0x120/0x120 [ 64.796622][ T7575] tipc_udp_send_msg+0x229/0x3d0 [ 64.801561][ T7575] tipc_bearer_xmit_skb+0x1a5/0x370 [ 64.806750][ T7575] ? tipc_bearer_mtu+0x350/0x350 [ 64.811671][ T7575] ? tipc_disc_create+0x5d7/0x8c0 [ 64.816697][ T7575] tipc_enable_bearer+0x859/0xbb0 [ 64.821706][ T7575] ? __mutex_lock+0xc43/0x1410 [ 64.826597][ T7575] ? tipc_bearer_xmit_skb+0x370/0x370 [ 64.831962][ T7575] ? __nla_validate_parse+0xa1/0x1d80 [ 64.837338][ T7575] ? rtnl_lock+0x12/0x20 [ 64.841570][ T7575] __tipc_nl_bearer_enable+0x265/0x390 [ 64.847009][ T7575] ? __tipc_nl_bearer_enable+0x187/0x390 [ 64.852622][ T7575] ? __tipc_nl_bearer_enable+0x265/0x390 [ 64.858235][ T7575] ? tipc_nl_bearer_disable+0x30/0x30 [ 64.863589][ T7575] ? __local_bh_enable_ip+0x160/0x260 [ 64.868943][ T7575] ? __local_bh_enable_ip+0x160/0x260 [ 64.874305][ T7575] tipc_nl_bearer_enable+0x1d/0x30 [ 64.879401][ T7575] genl_rcv_msg+0x5e1/0x10f0 [ 64.883988][ T7575] ? __kasan_check_read+0x11/0x20 [ 64.889022][ T7575] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 64.895381][ T7575] netlink_rcv_skb+0x13f/0x380 [ 64.900134][ T7575] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 64.906443][ T7575] ? netlink_ack+0x9a0/0x9a0 [ 64.911026][ T7575] ? netlink_deliver_tap+0x178/0xac0 [ 64.916291][ T7575] genl_rcv+0x23/0x40 [ 64.920249][ T7575] netlink_unicast+0x479/0x6c0 [ 64.925005][ T7575] ? netlink_attachskb+0x740/0x740 [ 64.930273][ T7575] ? _copy_from_iter_full+0x18a/0x780 [ 64.935640][ T7575] ? __kasan_check_read+0x11/0x20 [ 64.940653][ T7575] ? __check_object_size+0x203/0x2ea [ 64.945923][ T7575] netlink_sendmsg+0x7ab/0xd50 [ 64.950678][ T7575] ? netlink_unicast+0x6c0/0x6c0 [ 64.955624][ T7575] ? apparmor_socket_sendmsg+0x1b/0x20 [ 64.961074][ T7575] ? netlink_unicast+0x6c0/0x6c0 [ 64.965984][ T7575] sock_sendmsg+0xe6/0x110 [ 64.970383][ T7575] ____sys_sendmsg+0x603/0x980 [ 64.975125][ T7575] ? copy_msghdr_from_user+0x209/0x420 [ 64.980590][ T7575] ? kernel_sendmsg+0x30/0x30 [ 64.985259][ T7575] ___sys_sendmsg+0xe4/0x160 [ 64.989830][ T7575] ? sendmsg_copy_msghdr+0x30/0x30 [ 64.994920][ T7575] ? __kasan_check_read+0x11/0x20 [ 64.999940][ T7575] ? __fget_files+0x283/0x3e0 [ 65.004604][ T7575] ? ksys_dup3+0x2e0/0x2e0 [ 65.009008][ T7575] ? __might_fault+0xf1/0x1b0 [ 65.013677][ T7575] ? __fget_light+0x1a7/0x220 [ 65.018333][ T7575] ? lock_acquire+0x194/0x410 [ 65.022995][ T7575] ? __fdget+0xe/0x10 [ 65.026960][ T7575] __sys_sendmsg+0xd9/0x180 [ 65.031446][ T7575] ? __sys_sendmsg_sock+0xa0/0xa0 [ 65.036451][ T7575] ? __kasan_check_read+0x11/0x20 [ 65.041471][ T7575] ? _copy_to_user+0xcb/0xf0 [ 65.046047][ T7575] ? put_timespec64+0xa9/0x100 [ 65.050790][ T7575] ? nsecs_to_jiffies+0x20/0x20 [ 65.055635][ T7575] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.061686][ T7575] __x64_sys_sendmsg+0x73/0xb0 [ 65.066446][ T7575] do_syscall_64+0xd0/0x630 [ 65.070935][ T7575] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.076806][ T7575] RIP: 0033:0x458c29 [ 65.080682][ T7575] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 65.100261][ T7575] RSP: 002b:00007f8ea1fc6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 65.108651][ T7575] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 [ 65.116619][ T7575] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 000000000000000a [ 65.124678][ T7575] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 65.133134][ T7575] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8ea1fc76d4 [ 65.141091][ T7575] R13: 00000000004c62bc R14: 00000000004dab98 R15: 00000000ffffffff [ 65.151200][ T2945] tipc: 32-bit node address hash set to aa1414ac [ 65.158945][ T7575] tipc: Enabled bearer , priority 10 [ 65.190064][ T7560] tipc: Enabling of bearer rejected, already enabled [ 65.209848][ T7575] tipc: Enabling of bearer rejected, already enabled [ 65.223183][ T7578] tipc: Enabling of bearer rejected, already enabled [ 65.581961][ T7582] tipc: Enabling of bearer rejected, already enabled [ 65.619667][ T7569] chnl_net:caif_netlink_parms(): no params data found [ 65.707676][ T7632] tipc: Enabling of bearer rejected, already enabled [ 65.732266][ T7630] tipc: Enabling of bearer rejected, already enabled [ 65.752171][ T7569] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.762040][ T7569] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.770442][ T7569] device bridge_slave_0 entered promiscuous mode [ 65.797669][ T7569] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.819926][ T7569] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.834342][ T7569] device bridge_slave_1 entered promiscuous mode [ 65.851345][ T7640] tipc: Enabling of bearer rejected, already enabled [ 66.028201][ T7569] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.054012][ T7569] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.093105][ T7622] tipc: Enabling of bearer rejected, already enabled [ 66.149168][ T7569] team0: Port device team_slave_0 added [ 66.173271][ T7569] team0: Port device team_slave_1 added [ 66.288021][ T7569] device hsr_slave_0 entered promiscuous mode [ 66.346753][ T7569] device hsr_slave_1 entered promiscuous mode [ 66.376464][ T7569] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.392780][ T7569] Cannot create hsr debugfs directory [ 66.454742][ T7638] tipc: Enabling of bearer rejected, already enabled [ 66.470459][ T7632] tipc: Enabling of bearer rejected, already enabled [ 66.805952][ T7630] tipc: Enabling of bearer rejected, already enabled [ 66.818974][ T7569] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.826124][ T7569] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.833889][ T7569] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.840978][ T7569] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.872033][ T2800] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.882389][ T2800] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.101015][ T7640] tipc: Enabling of bearer rejected, already enabled [ 67.210328][ T7569] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.231261][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.248351][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.264156][ T7569] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.450087][ T7665] tipc: Enabling of bearer rejected, already enabled [ 67.523489][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.534521][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.543176][ T2945] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.550262][ T2945] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.559941][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.568780][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.577831][ T2945] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.584952][ T2945] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.602123][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.626767][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.641327][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.657395][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.665674][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.675212][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.684094][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.692439][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.702589][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.712221][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready 2020/03/22 07:01:14 executed programs: 24 [ 67.720912][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.735561][ T7569] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.873636][ T7569] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.945296][ T7705] tipc: Started in network mode [ 67.950389][ T7705] tipc: Own node identity ac1414aa, cluster identity 4711 [ 67.959014][ T7705] tipc: New replicast peer: 172.20.20.187 [ 67.964859][ T7705] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.1/7705 [ 67.974506][ T7705] caller is dst_cache_get+0x33/0xa0 [ 67.979746][ T7705] CPU: 0 PID: 7705 Comm: syz-executor.1 Not tainted 5.6.0-rc5-syzkaller #0 [ 67.988316][ T7705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.998351][ T7705] Call Trace: [ 68.001614][ T7705] dump_stack+0x12d/0x187 [ 68.005921][ T7705] debug_smp_processor_id.cold.1+0x84/0x9e [ 68.011768][ T7705] dst_cache_get+0x33/0xa0 [ 68.016157][ T7705] tipc_udp_xmit.isra.15+0xab/0xcd0 [ 68.021335][ T7705] ? __copy_skb_header+0x293/0x4e0 [ 68.026420][ T7705] ? tipc_udp_addr2str+0x150/0x150 [ 68.031514][ T7705] ? netdev_alloc_frag+0x160/0x160 [ 68.036987][ T7705] ? skb_copy_header+0x16/0x2a0 [ 68.041820][ T7705] ? __pskb_copy_fclone+0x4d5/0xc60 [ 68.047000][ T7705] ? rcu_read_lock_held+0x9c/0xb0 [ 68.051998][ T7705] ? rcu_read_lock_held_common+0x120/0x120 [ 68.057784][ T7705] tipc_udp_send_msg+0x229/0x3d0 [ 68.062711][ T7705] tipc_bearer_xmit_skb+0x1a5/0x370 [ 68.067940][ T7705] ? tipc_bearer_mtu+0x350/0x350 [ 68.072901][ T7705] ? tipc_disc_create+0x5d7/0x8c0 [ 68.077909][ T7705] tipc_enable_bearer+0x859/0xbb0 [ 68.082916][ T7705] ? tipc_bearer_xmit_skb+0x370/0x370 [ 68.088441][ T7705] ? __nla_validate_parse+0xa1/0x1d80 [ 68.093793][ T7705] ? lock_acquire+0x194/0x410 [ 68.098484][ T7705] ? rtnl_lock+0x12/0x20 [ 68.102706][ T7705] ? rtnl_lock+0x12/0x20 [ 68.106930][ T7705] __tipc_nl_bearer_enable+0x265/0x390 [ 68.112421][ T7705] ? __tipc_nl_bearer_enable+0x187/0x390 [ 68.118129][ T7705] ? __tipc_nl_bearer_enable+0x265/0x390 [ 68.123734][ T7705] ? tipc_nl_bearer_disable+0x30/0x30 [ 68.129080][ T7705] ? __local_bh_enable_ip+0x160/0x260 [ 68.134421][ T7705] ? __dev_queue_xmit+0x1278/0x29a0 [ 68.139590][ T7705] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 68.144910][ T7705] ? __local_bh_enable_ip+0x160/0x260 [ 68.150278][ T7705] tipc_nl_bearer_enable+0x1d/0x30 [ 68.155368][ T7705] genl_rcv_msg+0x5e1/0x10f0 [ 68.159940][ T7705] ? __kasan_check_read+0x11/0x20 [ 68.164986][ T7705] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 68.171330][ T7705] netlink_rcv_skb+0x13f/0x380 [ 68.176262][ T7705] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 68.182658][ T7705] ? netlink_ack+0x9a0/0x9a0 [ 68.187248][ T7705] ? netlink_deliver_tap+0x178/0xac0 [ 68.192513][ T7705] genl_rcv+0x23/0x40 [ 68.196481][ T7705] netlink_unicast+0x479/0x6c0 [ 68.201224][ T7705] ? netlink_attachskb+0x740/0x740 [ 68.206302][ T7705] ? _copy_from_iter_full+0x18a/0x780 [ 68.211666][ T7705] ? __kasan_check_read+0x11/0x20 [ 68.216672][ T7705] ? __check_object_size+0x203/0x2ea [ 68.221933][ T7705] netlink_sendmsg+0x7ab/0xd50 [ 68.227125][ T7705] ? netlink_unicast+0x6c0/0x6c0 [ 68.232052][ T7705] ? apparmor_socket_sendmsg+0x1b/0x20 [ 68.237494][ T7705] ? netlink_unicast+0x6c0/0x6c0 [ 68.242410][ T7705] sock_sendmsg+0xe6/0x110 [ 68.246799][ T7705] ____sys_sendmsg+0x603/0x980 [ 68.251533][ T7705] ? copy_msghdr_from_user+0x209/0x420 [ 68.256975][ T7705] ? kernel_sendmsg+0x30/0x30 [ 68.261633][ T7705] ___sys_sendmsg+0xe4/0x160 [ 68.266208][ T7705] ? sendmsg_copy_msghdr+0x30/0x30 [ 68.271293][ T7705] ? __kasan_check_read+0x11/0x20 [ 68.276292][ T7705] ? __fget_files+0x283/0x3e0 [ 68.280948][ T7705] ? ksys_dup3+0x2e0/0x2e0 [ 68.285339][ T7705] ? __might_fault+0xf1/0x1b0 [ 68.289989][ T7705] ? __fget_light+0x1a7/0x220 [ 68.294645][ T7705] ? lock_acquire+0x194/0x410 [ 68.299293][ T7705] ? __fdget+0xe/0x10 [ 68.303337][ T7705] __sys_sendmsg+0xd9/0x180 [ 68.307811][ T7705] ? __sys_sendmsg_sock+0xa0/0xa0 [ 68.312804][ T7705] ? __kasan_check_read+0x11/0x20 [ 68.317798][ T7705] ? _copy_to_user+0xcb/0xf0 [ 68.322369][ T7705] ? put_timespec64+0xa9/0x100 [ 68.327116][ T7705] ? nsecs_to_jiffies+0x20/0x20 [ 68.331977][ T7705] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.338118][ T7705] __x64_sys_sendmsg+0x73/0xb0 [ 68.342861][ T7705] do_syscall_64+0xd0/0x630 [ 68.347354][ T7705] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.353229][ T7705] RIP: 0033:0x458c29 [ 68.357099][ T7705] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.376679][ T7705] RSP: 002b:00007f53e69d2c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 68.385071][ T7705] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 [ 68.393017][ T7705] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 000000000000000a [ 68.400966][ T7705] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 68.408910][ T7705] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53e69d36d4 [ 68.416863][ T7705] R13: 00000000004c62bc R14: 00000000004dab98 R15: 00000000ffffffff [ 68.428146][ T7705] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.1/7705 [ 68.439225][ T7705] caller is dst_cache_set_ip4+0x97/0x2e0 [ 68.444847][ T7705] CPU: 0 PID: 7705 Comm: syz-executor.1 Not tainted 5.6.0-rc5-syzkaller #0 [ 68.453402][ T7705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.463443][ T7705] Call Trace: [ 68.466703][ T7705] dump_stack+0x12d/0x187 [ 68.471010][ T7705] debug_smp_processor_id.cold.1+0x84/0x9e [ 68.476808][ T7705] dst_cache_set_ip4+0x97/0x2e0 [ 68.481631][ T7705] ? dst_cache_get_ip6+0x1b0/0x1b0 [ 68.486713][ T7705] ? xfrm_lookup_route+0x1f/0x170 [ 68.492093][ T7705] tipc_udp_xmit.isra.15+0x7aa/0xcd0 [ 68.497370][ T7705] ? __copy_skb_header+0x293/0x4e0 [ 68.502484][ T7705] ? tipc_udp_addr2str+0x150/0x150 [ 68.507586][ T7705] ? skb_copy_header+0x16/0x2a0 [ 68.512411][ T7705] ? __pskb_copy_fclone+0x4d5/0xc60 [ 68.517591][ T7705] ? rcu_read_lock_held+0x9c/0xb0 [ 68.522584][ T7705] ? rcu_read_lock_held_common+0x120/0x120 [ 68.528364][ T7705] tipc_udp_send_msg+0x229/0x3d0 [ 68.533278][ T7705] tipc_bearer_xmit_skb+0x1a5/0x370 [ 68.538449][ T7705] ? tipc_bearer_mtu+0x350/0x350 [ 68.543366][ T7705] ? tipc_disc_create+0x5d7/0x8c0 [ 68.548366][ T7705] tipc_enable_bearer+0x859/0xbb0 [ 68.553364][ T7705] ? tipc_bearer_xmit_skb+0x370/0x370 [ 68.558706][ T7705] ? __nla_validate_parse+0xa1/0x1d80 [ 68.564050][ T7705] ? lock_acquire+0x194/0x410 [ 68.568821][ T7705] ? rtnl_lock+0x12/0x20 [ 68.573053][ T7705] ? rtnl_lock+0x12/0x20 [ 68.577269][ T7705] __tipc_nl_bearer_enable+0x265/0x390 [ 68.582704][ T7705] ? __tipc_nl_bearer_enable+0x187/0x390 [ 68.588326][ T7705] ? __tipc_nl_bearer_enable+0x265/0x390 [ 68.593941][ T7705] ? tipc_nl_bearer_disable+0x30/0x30 [ 68.599286][ T7705] ? __local_bh_enable_ip+0x160/0x260 [ 68.604636][ T7705] ? __dev_queue_xmit+0x1278/0x29a0 [ 68.609814][ T7705] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 68.615067][ T7705] ? __local_bh_enable_ip+0x160/0x260 [ 68.620418][ T7705] tipc_nl_bearer_enable+0x1d/0x30 [ 68.625502][ T7705] genl_rcv_msg+0x5e1/0x10f0 [ 68.630074][ T7705] ? __kasan_check_read+0x11/0x20 [ 68.635090][ T7705] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 68.641445][ T7705] netlink_rcv_skb+0x13f/0x380 [ 68.646323][ T7705] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 68.652757][ T7705] ? netlink_ack+0x9a0/0x9a0 [ 68.657522][ T7705] ? netlink_deliver_tap+0x178/0xac0 [ 68.662792][ T7705] genl_rcv+0x23/0x40 [ 68.666762][ T7705] netlink_unicast+0x479/0x6c0 [ 68.671511][ T7705] ? netlink_attachskb+0x740/0x740 [ 68.676601][ T7705] ? _copy_from_iter_full+0x18a/0x780 [ 68.681964][ T7705] ? __kasan_check_read+0x11/0x20 [ 68.686975][ T7705] ? __check_object_size+0x203/0x2ea [ 68.692253][ T7705] netlink_sendmsg+0x7ab/0xd50 [ 68.696999][ T7705] ? netlink_unicast+0x6c0/0x6c0 [ 68.701917][ T7705] ? apparmor_socket_sendmsg+0x1b/0x20 [ 68.707352][ T7705] ? netlink_unicast+0x6c0/0x6c0 [ 68.712261][ T7705] sock_sendmsg+0xe6/0x110 [ 68.716650][ T7705] ____sys_sendmsg+0x603/0x980 [ 68.721394][ T7705] ? copy_msghdr_from_user+0x209/0x420 [ 68.726829][ T7705] ? kernel_sendmsg+0x30/0x30 [ 68.731506][ T7705] ___sys_sendmsg+0xe4/0x160 [ 68.736075][ T7705] ? sendmsg_copy_msghdr+0x30/0x30 [ 68.741189][ T7705] ? __kasan_check_read+0x11/0x20 [ 68.746283][ T7705] ? __fget_files+0x283/0x3e0 [ 68.750959][ T7705] ? ksys_dup3+0x2e0/0x2e0 [ 68.755355][ T7705] ? __might_fault+0xf1/0x1b0 [ 68.760026][ T7705] ? __fget_light+0x1a7/0x220 [ 68.764689][ T7705] ? lock_acquire+0x194/0x410 [ 68.769351][ T7705] ? __fdget+0xe/0x10 [ 68.773327][ T7705] __sys_sendmsg+0xd9/0x180 [ 68.777821][ T7705] ? __sys_sendmsg_sock+0xa0/0xa0 [ 68.782830][ T7705] ? __kasan_check_read+0x11/0x20 [ 68.787859][ T7705] ? _copy_to_user+0xcb/0xf0 [ 68.792444][ T7705] ? put_timespec64+0xa9/0x100 [ 68.797291][ T7705] ? nsecs_to_jiffies+0x20/0x20 [ 68.802133][ T7705] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.808203][ T7705] __x64_sys_sendmsg+0x73/0xb0 [ 68.812980][ T7705] do_syscall_64+0xd0/0x630 [ 68.817464][ T7705] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.823346][ T7705] RIP: 0033:0x458c29 [ 68.827224][ T7705] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.846810][ T7705] RSP: 002b:00007f53e69d2c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 68.855220][ T7705] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 [ 68.863192][ T7705] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 000000000000000a [ 68.871170][ T7705] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 68.879124][ T7705] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53e69d36d4 [ 68.887076][ T7705] R13: 00000000004c62bc R14: 00000000004dab98 R15: 00000000ffffffff [ 68.900085][ T7705] tipc: Enabled bearer , priority 10