[....] 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: [ 43.340035] IPVS: ftp: loaded support on port[0] = 21 [ 43.622942] tipc: TX() has been purged, node left! [ 43.890989] can: request_module (can-proto-0) failed. [ 46.617069] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.10.37' (ECDSA) to the list of known hosts. 2020/03/22 05:33:41 parsed 1 programs 2020/03/22 05:33:41 executed programs: 0 [ 54.850125] IPVS: ftp: loaded support on port[0] = 21 [ 54.860297] IPVS: ftp: loaded support on port[0] = 21 [ 54.888458] IPVS: ftp: loaded support on port[0] = 21 [ 54.900053] IPVS: ftp: loaded support on port[0] = 21 [ 54.912535] IPVS: ftp: loaded support on port[0] = 21 [ 54.940595] IPVS: ftp: loaded support on port[0] = 21 [ 55.095989] chnl_net:caif_netlink_parms(): no params data found [ 55.126327] chnl_net:caif_netlink_parms(): no params data found [ 55.194847] chnl_net:caif_netlink_parms(): no params data found [ 55.203152] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.210024] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.217374] device bridge_slave_0 entered promiscuous mode [ 55.229680] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.236210] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.243552] device bridge_slave_1 entered promiscuous mode [ 55.260878] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.267811] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.275376] device bridge_slave_0 entered promiscuous mode [ 55.293275] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.303717] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.332764] chnl_net:caif_netlink_parms(): no params data found [ 55.340783] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.347881] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.354900] device bridge_slave_1 entered promiscuous mode [ 55.389841] team0: Port device team_slave_0 added [ 55.399086] team0: Port device team_slave_1 added [ 55.409761] chnl_net:caif_netlink_parms(): no params data found [ 55.430053] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.441012] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.456493] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.463036] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.469827] device bridge_slave_0 entered promiscuous mode [ 55.479618] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.486144] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.493311] device bridge_slave_1 entered promiscuous mode [ 55.555006] device hsr_slave_0 entered promiscuous mode [ 55.593220] device hsr_slave_1 entered promiscuous mode [ 55.659316] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.669177] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.695245] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.701886] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.709084] device bridge_slave_0 entered promiscuous mode [ 55.717585] team0: Port device team_slave_0 added [ 55.722767] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.729488] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.736838] device bridge_slave_1 entered promiscuous mode [ 55.760063] team0: Port device team_slave_1 added [ 55.787243] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.798227] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.807254] chnl_net:caif_netlink_parms(): no params data found [ 55.819611] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.826178] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.833626] device bridge_slave_0 entered promiscuous mode [ 55.841742] team0: Port device team_slave_0 added [ 55.852429] team0: Port device team_slave_1 added [ 55.914659] device hsr_slave_0 entered promiscuous mode [ 55.963451] device hsr_slave_1 entered promiscuous mode [ 56.032949] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 56.039951] Cannot create hsr debugfs directory [ 56.045300] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.051642] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.058858] device bridge_slave_1 entered promiscuous mode [ 56.076254] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.090731] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.147051] device hsr_slave_0 entered promiscuous mode [ 56.203268] device hsr_slave_1 entered promiscuous mode [ 56.242915] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 56.249804] Cannot create hsr debugfs directory [ 56.256232] team0: Port device team_slave_0 added [ 56.295998] team0: Port device team_slave_1 added [ 56.306852] team0: Port device team_slave_0 added [ 56.323414] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.329799] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.337140] device bridge_slave_0 entered promiscuous mode [ 56.344322] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.350672] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.357796] device bridge_slave_1 entered promiscuous mode [ 56.368292] team0: Port device team_slave_1 added [ 56.395660] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.475735] device hsr_slave_0 entered promiscuous mode [ 56.534191] device hsr_slave_1 entered promiscuous mode [ 56.572987] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 56.579872] Cannot create hsr debugfs directory [ 56.588478] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.674784] device hsr_slave_0 entered promiscuous mode [ 56.733238] device hsr_slave_1 entered promiscuous mode [ 56.783173] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 56.790393] Cannot create hsr debugfs directory [ 56.822322] team0: Port device team_slave_0 added [ 56.829569] team0: Port device team_slave_1 added [ 56.895248] device hsr_slave_0 entered promiscuous mode [ 56.953558] device hsr_slave_1 entered promiscuous mode [ 57.022917] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.029797] Cannot create hsr debugfs directory [ 57.039802] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.071669] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.095934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.103843] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.117415] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.130435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.138745] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.146656] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.153356] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.183166] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.190001] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.207670] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.229439] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.238361] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.246734] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.253134] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.260072] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.268559] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.275928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.285902] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.301002] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.316179] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.324476] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.331838] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.339244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.347191] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.359135] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.370624] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.381329] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.389151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.396776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.404294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.411177] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.434991] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.447305] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.457479] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.463868] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.471877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.480161] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.488013] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.494407] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.501404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.509344] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.517241] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.525185] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.531634] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.538732] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.546962] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.554862] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.561309] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.568345] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.576262] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.585598] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.592666] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.600161] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.608103] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.617455] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.641427] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.650074] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.659497] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.667657] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.676192] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.683819] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.691261] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.698933] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.706439] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.714048] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.721763] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.729427] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.736835] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.745556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.753468] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.761034] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.767488] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.774390] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.781893] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.791879] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.815934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.824133] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.831863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.840218] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.848885] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.856806] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.865100] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.872739] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.880686] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.888744] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.895225] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.902180] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.909751] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.931609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.939263] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.948723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.956897] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.965236] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.973352] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.980920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.988119] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.000003] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.008194] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.016355] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.022699] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.030029] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.039190] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.051072] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.062191] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.073343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.081704] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.089474] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.096688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.105569] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.113291] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.125545] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.154054] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.172513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.181334] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.191130] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.197530] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.204638] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.212515] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.220247] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.226616] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.234428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.242239] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.250305] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.258042] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.265949] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.273505] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.280953] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.288456] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.296378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.306435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.315598] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.323395] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.330882] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.344959] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.357353] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.372590] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.389686] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.397542] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.406083] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.414326] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.422181] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.430377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.438462] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.447664] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.455559] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.463962] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.478249] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.498243] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.512217] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.529540] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.545464] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.552568] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.572404] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.585283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.595319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.645931] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.652214] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.681803] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.857241] tipc: Started in network mode [ 58.875981] tipc: Own node identity 7f000001, cluster identity 4711 [ 58.948183] check_preemption_disabled: 8 callbacks suppressed [ 58.948194] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.1/7513 [ 58.963157] caller is dst_cache_get+0x33/0xa0 [ 58.967652] CPU: 0 PID: 7513 Comm: syz-executor.1 Not tainted 5.6.0-rc5-syzkaller #0 [ 58.975521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.984876] Call Trace: [ 58.987447] dump_stack+0x12d/0x187 [ 58.991060] debug_smp_processor_id.cold.1+0x84/0x9e [ 58.996159] dst_cache_get+0x33/0xa0 [ 58.999854] ? tipc_crypto_xmit+0x1e2/0x2b00 [ 59.004260] tipc_udp_xmit.isra.15+0xab/0xcd0 [ 59.008754] ? tipc_udp_addr2str+0x150/0x150 [ 59.013587] ? tipc_crypto_timeout+0xfb0/0xfb0 [ 59.018695] ? rcu_read_lock_held+0x9c/0xb0 [ 59.023015] ? rcu_read_lock_held_common+0x120/0x120 [ 59.028125] tipc_udp_send_msg+0x31e/0x3d0 [ 59.032373] tipc_bearer_xmit_skb+0x1a5/0x370 [ 59.036880] ? tipc_bearer_mtu+0x350/0x350 [ 59.041104] ? tipc_disc_create+0x5d7/0x8c0 [ 59.045456] tipc_enable_bearer+0x859/0xbb0 [ 59.049784] ? tipc_bearer_xmit_skb+0x370/0x370 [ 59.054441] ? __nla_validate_parse+0xa1/0x1d80 [ 59.059096] ? preempt_schedule+0x4d/0x60 [ 59.063237] ? rtnl_lock+0x12/0x20 [ 59.066761] __tipc_nl_bearer_enable+0x265/0x390 [ 59.071497] ? __tipc_nl_bearer_enable+0x187/0x390 [ 59.076415] ? __tipc_nl_bearer_enable+0x265/0x390 [ 59.081328] ? tipc_nl_bearer_disable+0x30/0x30 [ 59.085998] ? __local_bh_enable_ip+0x160/0x260 [ 59.090647] ? __dev_queue_xmit+0x1278/0x29a0 [ 59.095123] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 59.099684] ? __local_bh_enable_ip+0x160/0x260 [ 59.104362] tipc_nl_bearer_enable+0x1d/0x30 [ 59.108824] genl_rcv_msg+0x5e1/0x10f0 [ 59.112834] ? __kasan_check_read+0x11/0x20 [ 59.117179] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 59.122803] netlink_rcv_skb+0x13f/0x380 [ 59.127047] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 59.132657] ? netlink_ack+0x990/0x990 [ 59.136553] ? netlink_deliver_tap+0x178/0xac0 [ 59.141121] genl_rcv+0x23/0x40 [ 59.144385] netlink_unicast+0x479/0x6c0 [ 59.148431] ? netlink_attachskb+0x740/0x740 [ 59.152828] ? _copy_from_iter_full+0x18a/0x780 [ 59.157484] ? __kasan_check_read+0x11/0x20 [ 59.161796] ? __check_object_size+0x203/0x2ea [ 59.166358] netlink_sendmsg+0x7ab/0xd50 [ 59.170491] ? netlink_unicast+0x6c0/0x6c0 [ 59.174850] ? apparmor_socket_sendmsg+0x1b/0x20 [ 59.179606] ? netlink_unicast+0x6c0/0x6c0 [ 59.183854] sock_sendmsg+0xe6/0x110 [ 59.187573] ____sys_sendmsg+0x603/0x980 [ 59.191638] ? copy_msghdr_from_user+0x209/0x420 [ 59.196382] ? kernel_sendmsg+0x30/0x30 [ 59.200353] ___sys_sendmsg+0xe4/0x160 [ 59.204234] ? sendmsg_copy_msghdr+0x30/0x30 [ 59.208629] ? __kasan_check_read+0x11/0x20 [ 59.213024] ? __fget_files+0x283/0x3e0 [ 59.216987] ? ksys_dup3+0x2e0/0x2e0 [ 59.220689] ? __might_fault+0xf1/0x1b0 [ 59.225083] ? __fget_light+0x1a7/0x220 [ 59.229037] ? lock_acquire+0x194/0x410 [ 59.232994] ? __fdget+0xe/0x10 [ 59.236290] __sys_sendmsg+0xd9/0x180 [ 59.240090] ? __sys_sendmsg_sock+0xa0/0xa0 [ 59.244398] ? __kasan_check_read+0x11/0x20 [ 59.248717] ? _copy_to_user+0xcb/0xf0 [ 59.252609] ? put_timespec64+0xa9/0x100 [ 59.256821] ? nsecs_to_jiffies+0x20/0x20 [ 59.260970] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.266329] __x64_sys_sendmsg+0x73/0xb0 [ 59.270382] do_syscall_64+0xd0/0x630 [ 59.274187] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.279363] RIP: 0033:0x457f89 [ 59.282641] 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 [ 59.301528] RSP: 002b:00007f842dbafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 59.309306] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457f89 [ 59.316559] RDX: 0000000000000004 RSI: 0000000020000000 RDI: 000000000000000e [ 59.323823] RBP: 000000000073c040 R08: 0000000000000000 R09: 0000000000000000 [ 59.331090] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f842dbb06d4 [ 59.338348] R13: 00000000004c52ba R14: 00000000004d9038 R15: 00000000ffffffff [ 59.430703] sctp: failed to load transform for md5: -4 [ 59.525220] tipc: Enabled bearer , priority 10 [ 59.714620] tipc: Started in network mode [ 59.732935] tipc: Own node identity 7f000001, cluster identity 4711 [ 59.780354] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.2/7543 [ 59.789369] caller is dst_cache_get+0x33/0xa0 [ 59.793917] CPU: 0 PID: 7543 Comm: syz-executor.2 Not tainted 5.6.0-rc5-syzkaller #0 [ 59.801792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.811324] Call Trace: [ 59.813919] dump_stack+0x12d/0x187 [ 59.817548] debug_smp_processor_id.cold.1+0x84/0x9e [ 59.822640] dst_cache_get+0x33/0xa0 [ 59.826429] ? tipc_crypto_xmit+0x1e2/0x2b00 [ 59.830828] tipc_udp_xmit.isra.15+0xab/0xcd0 [ 59.835314] ? tipc_udp_addr2str+0x150/0x150 [ 59.840138] ? tipc_crypto_timeout+0xfb0/0xfb0 [ 59.844722] ? rcu_read_lock_held+0x9c/0xb0 [ 59.849049] ? rcu_read_lock_held_common+0x120/0x120 [ 59.854137] tipc_udp_send_msg+0x31e/0x3d0 [ 59.858382] tipc_bearer_xmit_skb+0x1a5/0x370 [ 59.862879] ? tipc_bearer_mtu+0x350/0x350 [ 59.867125] ? tipc_disc_create+0x5d7/0x8c0 [ 59.871429] tipc_enable_bearer+0x859/0xbb0 [ 59.875751] ? tipc_bearer_xmit_skb+0x370/0x370 [ 59.880447] ? __nla_validate_parse+0xa1/0x1d80 [ 59.885107] ? lock_acquire+0x194/0x410 [ 59.889089] ? rtnl_lock+0x12/0x20 [ 59.892620] ? rtnl_lock+0x12/0x20 [ 59.896261] __tipc_nl_bearer_enable+0x265/0x390 [ 59.901028] ? __tipc_nl_bearer_enable+0x187/0x390 [ 59.906468] ? __tipc_nl_bearer_enable+0x265/0x390 [ 59.911387] ? tipc_nl_bearer_disable+0x30/0x30 [ 59.916044] ? __local_bh_enable_ip+0x160/0x260 [ 59.920700] ? __dev_queue_xmit+0x1278/0x29a0 [ 59.925178] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 59.929741] ? __local_bh_enable_ip+0x160/0x260 [ 59.934400] tipc_nl_bearer_enable+0x1d/0x30 [ 59.938793] genl_rcv_msg+0x5e1/0x10f0 [ 59.942665] ? __kasan_check_read+0x11/0x20 [ 59.947008] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 59.952628] netlink_rcv_skb+0x13f/0x380 [ 59.956677] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 59.962284] ? netlink_ack+0x990/0x990 [ 59.966155] ? netlink_deliver_tap+0x178/0xac0 [ 59.970863] genl_rcv+0x23/0x40 [ 59.974132] netlink_unicast+0x479/0x6c0 [ 59.978222] ? netlink_attachskb+0x740/0x740 [ 59.982638] ? _copy_from_iter_full+0x18a/0x780 [ 59.987300] ? __kasan_check_read+0x11/0x20 [ 59.991607] ? __check_object_size+0x203/0x2ea [ 59.996440] netlink_sendmsg+0x7ab/0xd50 [ 60.000489] ? netlink_unicast+0x6c0/0x6c0 [ 60.004709] ? apparmor_socket_sendmsg+0x1b/0x20 [ 60.009473] ? netlink_unicast+0x6c0/0x6c0 [ 60.013715] sock_sendmsg+0xe6/0x110 [ 60.017434] ____sys_sendmsg+0x603/0x980 [ 60.021487] ? copy_msghdr_from_user+0x209/0x420 [ 60.026240] ? kernel_sendmsg+0x30/0x30 [ 60.030200] ___sys_sendmsg+0xe4/0x160 [ 60.034178] ? sendmsg_copy_msghdr+0x30/0x30 [ 60.038577] ? __kasan_check_read+0x11/0x20 [ 60.042882] ? __fget_files+0x283/0x3e0 [ 60.050486] ? ksys_dup3+0x2e0/0x2e0 [ 60.054184] ? __might_fault+0xf1/0x1b0 [ 60.058140] ? __fget_light+0x1a7/0x220 [ 60.062107] ? lock_acquire+0x194/0x410 [ 60.066063] ? __fdget+0xe/0x10 [ 60.069325] __sys_sendmsg+0xd9/0x180 [ 60.073108] ? __sys_sendmsg_sock+0xa0/0xa0 [ 60.077498] ? __kasan_check_read+0x11/0x20 [ 60.081802] ? _copy_to_user+0xcb/0xf0 [ 60.085669] ? put_timespec64+0xa9/0x100 [ 60.089715] ? nsecs_to_jiffies+0x20/0x20 [ 60.093947] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.099379] __x64_sys_sendmsg+0x73/0xb0 [ 60.103427] do_syscall_64+0xd0/0x630 [ 60.107371] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.112673] RIP: 0033:0x457f89 [ 60.115853] 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 [ 60.134766] RSP: 002b:00007f677fc64c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 60.142556] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457f89 [ 60.149810] RDX: 0000000000000004 RSI: 0000000020000000 RDI: 000000000000000f [ 60.157061] RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 60.164315] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f677fc656d4 [ 60.171599] R13: 00000000004c52ba R14: 00000000004d9038 R15: 00000000ffffffff [ 60.195609] tipc: 32-bit node address hash set to 100007f [ 60.558065] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.2/7543 [ 60.566979] caller is dst_cache_set_ip4+0x97/0x2e0 [ 60.571908] CPU: 0 PID: 7543 Comm: syz-executor.2 Not tainted 5.6.0-rc5-syzkaller #0 [ 60.579996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.589352] Call Trace: [ 60.591942] dump_stack+0x12d/0x187 [ 60.595680] debug_smp_processor_id.cold.1+0x84/0x9e [ 60.600782] dst_cache_set_ip4+0x97/0x2e0 [ 60.604927] ? dst_cache_get_ip6+0x1b0/0x1b0 [ 60.609357] ? xfrm_lookup_route+0x1f/0x170 [ 60.613681] tipc_udp_xmit.isra.15+0x7aa/0xcd0 [ 60.618273] ? tipc_udp_addr2str+0x150/0x150 [ 60.622751] ? tipc_crypto_timeout+0xfb0/0xfb0 [ 60.627324] ? rcu_read_lock_held+0x9c/0xb0 [ 60.631628] ? rcu_read_lock_held_common+0x120/0x120 [ 60.636742] tipc_udp_send_msg+0x31e/0x3d0 [ 60.640995] tipc_bearer_xmit_skb+0x1a5/0x370 [ 60.645615] ? tipc_bearer_mtu+0x350/0x350 [ 60.649841] ? tipc_disc_create+0x5d7/0x8c0 [ 60.654152] tipc_enable_bearer+0x859/0xbb0 [ 60.658478] ? tipc_bearer_xmit_skb+0x370/0x370 [ 60.663132] ? __nla_validate_parse+0xa1/0x1d80 [ 60.667788] ? lock_acquire+0x194/0x410 [ 60.671761] ? rtnl_lock+0x12/0x20 [ 60.675307] ? rtnl_lock+0x12/0x20 [ 60.678854] __tipc_nl_bearer_enable+0x265/0x390 [ 60.683676] ? __tipc_nl_bearer_enable+0x187/0x390 [ 60.688585] ? __tipc_nl_bearer_enable+0x265/0x390 [ 60.693507] ? tipc_nl_bearer_disable+0x30/0x30 [ 60.698168] ? __local_bh_enable_ip+0x160/0x260 [ 60.702836] ? __dev_queue_xmit+0x1278/0x29a0 [ 60.707312] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 60.711885] ? __local_bh_enable_ip+0x160/0x260 [ 60.716553] tipc_nl_bearer_enable+0x1d/0x30 [ 60.720949] genl_rcv_msg+0x5e1/0x10f0 [ 60.724822] ? __kasan_check_read+0x11/0x20 [ 60.729127] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 60.734937] netlink_rcv_skb+0x13f/0x380 [ 60.739182] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 60.744797] ? netlink_ack+0x990/0x990 [ 60.748695] ? netlink_deliver_tap+0x178/0xac0 [ 60.753296] genl_rcv+0x23/0x40 [ 60.756572] netlink_unicast+0x479/0x6c0 [ 60.760710] ? netlink_attachskb+0x740/0x740 [ 60.765106] ? _copy_from_iter_full+0x18a/0x780 [ 60.769762] ? __kasan_check_read+0x11/0x20 [ 60.774068] ? __check_object_size+0x203/0x2ea [ 60.778811] netlink_sendmsg+0x7ab/0xd50 [ 60.782863] ? netlink_unicast+0x6c0/0x6c0 [ 60.787087] ? apparmor_socket_sendmsg+0x1b/0x20 [ 60.791920] ? netlink_unicast+0x6c0/0x6c0 [ 60.796153] sock_sendmsg+0xe6/0x110 [ 60.799863] ____sys_sendmsg+0x603/0x980 [ 60.803907] ? copy_msghdr_from_user+0x209/0x420 [ 60.808662] ? kernel_sendmsg+0x30/0x30 [ 60.812623] ___sys_sendmsg+0xe4/0x160 [ 60.816491] ? sendmsg_copy_msghdr+0x30/0x30 [ 60.820884] ? __kasan_check_read+0x11/0x20 [ 60.825198] ? __fget_files+0x283/0x3e0 [ 60.829197] ? ksys_dup3+0x2e0/0x2e0 [ 60.833060] ? __might_fault+0xf1/0x1b0 [ 60.837028] ? __fget_light+0x1a7/0x220 [ 60.841005] ? lock_acquire+0x194/0x410 [ 60.844969] ? __fdget+0xe/0x10 [ 60.848239] __sys_sendmsg+0xd9/0x180 [ 60.852028] ? __sys_sendmsg_sock+0xa0/0xa0 [ 60.856354] ? __kasan_check_read+0x11/0x20 [ 60.860665] ? _copy_to_user+0xcb/0xf0 [ 60.864570] ? put_timespec64+0xa9/0x100 [ 60.868620] ? nsecs_to_jiffies+0x20/0x20 [ 60.872863] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.878768] __x64_sys_sendmsg+0x73/0xb0 [ 60.882830] do_syscall_64+0xd0/0x630 [ 60.886628] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.891819] RIP: 0033:0x457f89 [ 60.895003] 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 [ 60.913895] RSP: 002b:00007f677fc64c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 60.921674] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457f89 [ 60.928943] RDX: 0000000000000004 RSI: 0000000020000000 RDI: 000000000000000f [ 60.936282] RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 60.943623] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f677fc656d4 [ 60.950876] R13: 00000000004c52ba R14: 00000000004d9038 R15: 00000000ffffffff [ 60.966556] tipc: 32-bit node address hash set to 100007f [ 60.975205] tipc: Enabled bearer , priority 10 2020/03/22 05:33:48 executed programs: 10 [ 61.174393] tipc: Enabling of bearer rejected, already enabled [ 61.268018] tipc: Started in network mode [ 61.281520] tipc: Own node identity 7f000001, cluster identity 4711 [ 61.332402] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.4/7610 [ 61.341396] caller is dst_cache_get+0x33/0xa0 [ 61.346128] CPU: 0 PID: 7610 Comm: syz-executor.4 Not tainted 5.6.0-rc5-syzkaller #0 [ 61.354021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.364073] Call Trace: [ 61.366697] dump_stack+0x12d/0x187 [ 61.370314] debug_smp_processor_id.cold.1+0x84/0x9e [ 61.375405] dst_cache_get+0x33/0xa0 [ 61.379116] ? tipc_crypto_xmit+0x1e2/0x2b00 [ 61.383508] tipc_udp_xmit.isra.15+0xab/0xcd0 [ 61.387990] ? tipc_udp_addr2str+0x150/0x150 [ 61.392383] ? tipc_crypto_timeout+0xfb0/0xfb0 [ 61.396990] ? rcu_read_lock_held+0x9c/0xb0 [ 61.401328] ? rcu_read_lock_held_common+0x120/0x120 [ 61.406434] tipc_udp_send_msg+0x31e/0x3d0 [ 61.410667] tipc_bearer_xmit_skb+0x1a5/0x370 [ 61.415165] ? tipc_bearer_mtu+0x350/0x350 [ 61.419411] ? tipc_disc_create+0x5d7/0x8c0 [ 61.423733] tipc_enable_bearer+0x859/0xbb0 [ 61.428045] ? tipc_bearer_xmit_skb+0x370/0x370 [ 61.433741] ? __nla_validate_parse+0xa1/0x1d80 [ 61.438391] ? lock_acquire+0x194/0x410 [ 61.442346] ? rtnl_lock+0x12/0x20 [ 61.445875] ? rtnl_lock+0x12/0x20 [ 61.449485] __tipc_nl_bearer_enable+0x265/0x390 [ 61.454233] ? __tipc_nl_bearer_enable+0x187/0x390 [ 61.459154] ? __tipc_nl_bearer_enable+0x265/0x390 [ 61.464067] ? tipc_nl_bearer_disable+0x30/0x30 [ 61.468821] ? preempt_schedule_irq+0xc8/0x120 [ 61.473391] tipc_nl_bearer_enable+0x1d/0x30 [ 61.477780] genl_rcv_msg+0x5e1/0x10f0 [ 61.481651] ? __kasan_check_read+0x11/0x20 [ 61.485966] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 61.491585] netlink_rcv_skb+0x13f/0x380 [ 61.495637] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 61.501244] ? netlink_ack+0x990/0x990 [ 61.505115] ? netlink_deliver_tap+0x178/0xac0 [ 61.509682] genl_rcv+0x23/0x40 [ 61.512954] netlink_unicast+0x479/0x6c0 [ 61.517088] ? netlink_attachskb+0x740/0x740 [ 61.521477] ? _copy_from_iter_full+0x18a/0x780 [ 61.526128] ? __kasan_check_read+0x11/0x20 [ 61.530474] ? __check_object_size+0x203/0x2ea [ 61.535042] netlink_sendmsg+0x7ab/0xd50 [ 61.539193] ? netlink_unicast+0x6c0/0x6c0 [ 61.543421] ? apparmor_socket_sendmsg+0x1b/0x20 [ 61.548177] ? netlink_unicast+0x6c0/0x6c0 [ 61.552413] sock_sendmsg+0xe6/0x110 [ 61.556120] ____sys_sendmsg+0x603/0x980 [ 61.560168] ? copy_msghdr_from_user+0x209/0x420 [ 61.564933] ? kernel_sendmsg+0x30/0x30 [ 61.568899] ___sys_sendmsg+0xe4/0x160 [ 61.572767] ? sendmsg_copy_msghdr+0x30/0x30 [ 61.577160] ? __kasan_check_read+0x11/0x20 [ 61.581504] ? __fget_files+0x283/0x3e0 [ 61.585460] ? ksys_dup3+0x2e0/0x2e0 [ 61.589244] ? __might_fault+0xf1/0x1b0 [ 61.593220] ? __fget_light+0x1a7/0x220 [ 61.597183] ? lock_acquire+0x194/0x410 [ 61.603656] ? __fdget+0xe/0x10 [ 61.606918] __sys_sendmsg+0xd9/0x180 [ 61.610700] ? __sys_sendmsg_sock+0xa0/0xa0 [ 61.615021] ? __kasan_check_read+0x11/0x20 [ 61.619326] ? _copy_to_user+0xcb/0xf0 [ 61.623208] ? put_timespec64+0xa9/0x100 [ 61.627247] ? nsecs_to_jiffies+0x20/0x20 [ 61.631384] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.636732] __x64_sys_sendmsg+0x73/0xb0 [ 61.643035] do_syscall_64+0xd0/0x630 [ 61.646819] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.651998] RIP: 0033:0x457f89 [ 61.655260] 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 [ 61.674232] RSP: 002b:00007f776ed00c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 61.681930] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457f89 [ 61.689181] RDX: 0000000000000004 RSI: 0000000020000000 RDI: 000000000000000f [ 61.696431] RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 61.703695] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f776ed016d4 [ 61.710961] R13: 00000000004c52ba R14: 00000000004d9038 R15: 00000000ffffffff [ 61.738015] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.4/7610 [ 61.746851] caller is dst_cache_set_ip4+0x97/0x2e0 [ 61.751861] CPU: 0 PID: 7610 Comm: syz-executor.4 Not tainted 5.6.0-rc5-syzkaller #0 [ 61.759733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.769071] Call Trace: [ 61.771647] dump_stack+0x12d/0x187 [ 61.775278] debug_smp_processor_id.cold.1+0x84/0x9e [ 61.780541] dst_cache_set_ip4+0x97/0x2e0 [ 61.784672] ? dst_cache_get_ip6+0x1b0/0x1b0 [ 61.789063] ? xfrm_lookup_route+0x1f/0x170 [ 61.793370] tipc_udp_xmit.isra.15+0x7aa/0xcd0 [ 61.798975] ? tipc_udp_addr2str+0x150/0x150 [ 61.803363] ? tipc_crypto_timeout+0xfb0/0xfb0 [ 61.807934] ? rcu_read_lock_held+0x9c/0xb0 [ 61.812235] ? rcu_read_lock_held_common+0x120/0x120 [ 61.817347] tipc_udp_send_msg+0x31e/0x3d0 [ 61.821683] tipc_bearer_xmit_skb+0x1a5/0x370 [ 61.826190] ? tipc_bearer_mtu+0x350/0x350 [ 61.830414] ? tipc_disc_create+0x5d7/0x8c0 [ 61.834726] tipc_enable_bearer+0x859/0xbb0 [ 61.839036] ? tipc_bearer_xmit_skb+0x370/0x370 [ 61.843689] ? __nla_validate_parse+0xa1/0x1d80 [ 61.848338] ? lock_acquire+0x194/0x410 [ 61.852382] ? rtnl_lock+0x12/0x20 [ 61.855907] ? rtnl_lock+0x12/0x20 [ 61.859431] __tipc_nl_bearer_enable+0x265/0x390 [ 61.864179] ? __tipc_nl_bearer_enable+0x187/0x390 [ 61.869087] ? __tipc_nl_bearer_enable+0x265/0x390 [ 61.873998] ? tipc_nl_bearer_disable+0x30/0x30 [ 61.878659] ? preempt_schedule_irq+0xc8/0x120 [ 61.883229] tipc_nl_bearer_enable+0x1d/0x30 [ 61.887621] genl_rcv_msg+0x5e1/0x10f0 [ 61.891511] ? __kasan_check_read+0x11/0x20 [ 61.895845] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 61.901604] netlink_rcv_skb+0x13f/0x380 [ 61.905692] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 61.911304] ? netlink_ack+0x990/0x990 [ 61.915178] ? netlink_deliver_tap+0x178/0xac0 [ 61.919752] genl_rcv+0x23/0x40 [ 61.923017] netlink_unicast+0x479/0x6c0 [ 61.927058] ? netlink_attachskb+0x740/0x740 [ 61.931462] ? _copy_from_iter_full+0x18a/0x780 [ 61.936113] ? __kasan_check_read+0x11/0x20 [ 61.940423] ? __check_object_size+0x203/0x2ea [ 61.944987] netlink_sendmsg+0x7ab/0xd50 [ 61.949060] ? netlink_unicast+0x6c0/0x6c0 [ 61.953295] ? apparmor_socket_sendmsg+0x1b/0x20 [ 61.958076] ? netlink_unicast+0x6c0/0x6c0 [ 61.962910] sock_sendmsg+0xe6/0x110 [ 61.966610] ____sys_sendmsg+0x603/0x980 [ 61.972483] ? copy_msghdr_from_user+0x209/0x420 [ 61.977229] ? kernel_sendmsg+0x30/0x30 [ 61.981217] ___sys_sendmsg+0xe4/0x160 [ 61.985089] ? sendmsg_copy_msghdr+0x30/0x30 [ 61.989484] ? __kasan_check_read+0x11/0x20 [ 61.995011] ? __fget_files+0x283/0x3e0 [ 61.998970] ? ksys_dup3+0x2e0/0x2e0 [ 62.002680] ? __might_fault+0xf1/0x1b0 [ 62.006643] ? __fget_light+0x1a7/0x220 [ 62.010628] ? lock_acquire+0x194/0x410 [ 62.014594] ? __fdget+0xe/0x10 [ 62.017860] __sys_sendmsg+0xd9/0x180 [ 62.021649] ? __sys_sendmsg_sock+0xa0/0xa0 [ 62.025969] ? __kasan_check_read+0x11/0x20 [ 62.030358] ? _copy_to_user+0xcb/0xf0 [ 62.034230] ? put_timespec64+0xa9/0x100 [ 62.038273] ? nsecs_to_jiffies+0x20/0x20 [ 62.042409] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.048711] __x64_sys_sendmsg+0x73/0xb0 [ 62.052753] do_syscall_64+0xd0/0x630 [ 62.056575] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.061763] RIP: 0033:0x457f89 [ 62.064942] 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 [ 62.084096] RSP: 002b:00007f776ed00c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 62.091791] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457f89 [ 62.099044] RDX: 0000000000000004 RSI: 0000000020000000 RDI: 000000000000000f [ 62.106303] RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 62.113554] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f776ed016d4 [ 62.120804] R13: 00000000004c52ba R14: 00000000004d9038 R15: 00000000ffffffff [ 62.375219] tipc: Enabled bearer , priority 10 [ 62.407898] tipc: 32-bit node address hash set to 100007f [ 62.563292] tipc: Enabling of bearer rejected, already enabled [ 62.650055] tipc: Started in network mode [ 62.666072] tipc: Own node identity 7f000001, cluster identity 4711 [ 62.680149] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.5/7650 [ 62.689221] caller is dst_cache_get+0x33/0xa0 [ 62.693756] CPU: 0 PID: 7650 Comm: syz-executor.5 Not tainted 5.6.0-rc5-syzkaller #0 [ 62.701632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.710981] Call Trace: [ 62.713565] dump_stack+0x12d/0x187 [ 62.717201] debug_smp_processor_id.cold.1+0x84/0x9e [ 62.722312] dst_cache_get+0x33/0xa0 [ 62.726024] ? tipc_crypto_xmit+0x1e2/0x2b00 [ 62.730446] tipc_udp_xmit.isra.15+0xab/0xcd0 [ 62.735013] ? tipc_udp_addr2str+0x150/0x150 [ 62.739406] ? tipc_crypto_timeout+0xfb0/0xfb0 [ 62.743997] ? rcu_read_lock_held+0x9c/0xb0 [ 62.748298] ? rcu_read_lock_held_common+0x120/0x120 [ 62.753382] tipc_udp_send_msg+0x31e/0x3d0 [ 62.757603] tipc_bearer_xmit_skb+0x1a5/0x370 [ 62.762098] ? tipc_bearer_mtu+0x350/0x350 [ 62.766324] ? tipc_disc_create+0x5d7/0x8c0 [ 62.770651] tipc_enable_bearer+0x859/0xbb0 [ 62.774970] ? tipc_bearer_xmit_skb+0x370/0x370 [ 62.779632] ? __nla_validate_parse+0xa1/0x1d80 [ 62.784287] ? lock_acquire+0x194/0x410 [ 62.788279] ? rtnl_lock+0x12/0x20 [ 62.791819] ? rtnl_lock+0x12/0x20 [ 62.795350] __tipc_nl_bearer_enable+0x265/0x390 [ 62.800100] ? __tipc_nl_bearer_enable+0x187/0x390 [ 62.805009] ? __tipc_nl_bearer_enable+0x265/0x390 [ 62.809927] ? tipc_nl_bearer_disable+0x30/0x30 [ 62.814581] ? __local_bh_enable_ip+0x160/0x260 [ 62.820795] ? __dev_queue_xmit+0x1278/0x29a0 [ 62.825272] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 62.829839] ? __local_bh_enable_ip+0x160/0x260 [ 62.834496] tipc_nl_bearer_enable+0x1d/0x30 [ 62.838888] genl_rcv_msg+0x5e1/0x10f0 [ 62.842772] ? __kasan_check_read+0x11/0x20 [ 62.847079] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 62.852696] netlink_rcv_skb+0x13f/0x380 [ 62.856739] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 62.862342] ? netlink_ack+0x990/0x990 [ 62.866226] ? netlink_deliver_tap+0x178/0xac0 [ 62.870801] genl_rcv+0x23/0x40 [ 62.874062] netlink_unicast+0x479/0x6c0 [ 62.878105] ? netlink_attachskb+0x740/0x740 [ 62.882494] ? _copy_from_iter_full+0x18a/0x780 [ 62.887283] ? __kasan_check_read+0x11/0x20 [ 62.891615] ? __check_object_size+0x203/0x2ea [ 62.896201] netlink_sendmsg+0x7ab/0xd50 [ 62.900293] ? netlink_unicast+0x6c0/0x6c0 [ 62.904526] ? apparmor_socket_sendmsg+0x1b/0x20 [ 62.909269] ? netlink_unicast+0x6c0/0x6c0 [ 62.913487] sock_sendmsg+0xe6/0x110 [ 62.917186] ____sys_sendmsg+0x603/0x980 [ 62.921226] ? copy_msghdr_from_user+0x209/0x420 [ 62.925962] ? kernel_sendmsg+0x30/0x30 [ 62.929935] ___sys_sendmsg+0xe4/0x160 [ 62.933803] ? sendmsg_copy_msghdr+0x30/0x30 [ 62.938194] ? __kasan_check_read+0x11/0x20 [ 62.942499] ? __fget_files+0x283/0x3e0 [ 62.946457] ? ksys_dup3+0x2e0/0x2e0 [ 62.950163] ? __might_fault+0xf1/0x1b0 [ 62.954121] ? __fget_light+0x1a7/0x220 [ 62.958100] ? lock_acquire+0x194/0x410 [ 62.962055] ? __fdget+0xe/0x10 [ 62.965440] __sys_sendmsg+0xd9/0x180 [ 62.969228] ? __sys_sendmsg_sock+0xa0/0xa0 [ 62.973533] ? __kasan_check_read+0x11/0x20 [ 62.977856] ? _copy_to_user+0xcb/0xf0 [ 62.981745] ? put_timespec64+0xa9/0x100 [ 62.985794] ? nsecs_to_jiffies+0x20/0x20 [ 62.989934] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.995284] __x64_sys_sendmsg+0x73/0xb0 [ 62.999333] do_syscall_64+0xd0/0x630 [ 63.003116] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.008289] RIP: 0033:0x457f89 [ 63.011467] 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 [ 63.030473] RSP: 002b:00007fcc7694ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 63.038265] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457f89 [ 63.045526] RDX: 0000000000000004 RSI: 0000000020000000 RDI: 000000000000000f [ 63.052780] RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 63.060042] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcc7694f6d4 [ 63.067336] R13: 00000000004c52ba R14: 00000000004d9038 R15: 00000000ffffffff [ 63.076710] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.5/7650 [ 63.085476] caller is dst_cache_set_ip4+0x97/0x2e0 [ 63.090400] CPU: 1 PID: 7650 Comm: syz-executor.5 Not tainted 5.6.0-rc5-syzkaller #0 [ 63.098274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.107614] Call Trace: [ 63.110184] dump_stack+0x12d/0x187 [ 63.113793] debug_smp_processor_id.cold.1+0x84/0x9e [ 63.118875] dst_cache_set_ip4+0x97/0x2e0 [ 63.123002] ? dst_cache_get_ip6+0x1b0/0x1b0 [ 63.127392] ? xfrm_lookup_route+0x1f/0x170 [ 63.131706] tipc_udp_xmit.isra.15+0x7aa/0xcd0 [ 63.136268] ? tipc_udp_addr2str+0x150/0x150 [ 63.140673] ? tipc_crypto_timeout+0xfb0/0xfb0 [ 63.145258] ? rcu_read_lock_held+0x9c/0xb0 [ 63.149688] ? rcu_read_lock_held_common+0x120/0x120 [ 63.154781] tipc_udp_send_msg+0x31e/0x3d0 [ 63.159023] tipc_bearer_xmit_skb+0x1a5/0x370 [ 63.163513] ? tipc_bearer_mtu+0x350/0x350 [ 63.167731] ? tipc_disc_create+0x5d7/0x8c0 [ 63.172053] tipc_enable_bearer+0x859/0xbb0 [ 63.176372] ? tipc_bearer_xmit_skb+0x370/0x370 [ 63.181031] ? __nla_validate_parse+0xa1/0x1d80 [ 63.185699] ? lock_acquire+0x194/0x410 [ 63.189655] ? rtnl_lock+0x12/0x20 [ 63.193194] ? rtnl_lock+0x12/0x20 [ 63.196716] __tipc_nl_bearer_enable+0x265/0x390 [ 63.201469] ? __tipc_nl_bearer_enable+0x187/0x390 [ 63.206404] ? __tipc_nl_bearer_enable+0x265/0x390 [ 63.211340] ? tipc_nl_bearer_disable+0x30/0x30 [ 63.216001] ? __local_bh_enable_ip+0x160/0x260 [ 63.220660] ? __dev_queue_xmit+0x1278/0x29a0 [ 63.225142] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 63.229719] ? __local_bh_enable_ip+0x160/0x260 [ 63.234378] tipc_nl_bearer_enable+0x1d/0x30 [ 63.238768] genl_rcv_msg+0x5e1/0x10f0 [ 63.242658] ? __kasan_check_read+0x11/0x20 [ 63.246977] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 63.252602] netlink_rcv_skb+0x13f/0x380 [ 63.256645] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 63.262267] ? netlink_ack+0x990/0x990 [ 63.266137] ? netlink_deliver_tap+0x178/0xac0 [ 63.270702] genl_rcv+0x23/0x40 [ 63.273961] netlink_unicast+0x479/0x6c0 [ 63.278002] ? netlink_attachskb+0x740/0x740 [ 63.282389] ? _copy_from_iter_full+0x18a/0x780 [ 63.287045] ? __kasan_check_read+0x11/0x20 [ 63.291350] ? __check_object_size+0x203/0x2ea [ 63.295912] netlink_sendmsg+0x7ab/0xd50 [ 63.299967] ? netlink_unicast+0x6c0/0x6c0 [ 63.304186] ? apparmor_socket_sendmsg+0x1b/0x20 [ 63.308925] ? netlink_unicast+0x6c0/0x6c0 [ 63.313144] sock_sendmsg+0xe6/0x110 [ 63.316849] ____sys_sendmsg+0x603/0x980 [ 63.320911] ? copy_msghdr_from_user+0x209/0x420 [ 63.325665] ? kernel_sendmsg+0x30/0x30 [ 63.329646] ___sys_sendmsg+0xe4/0x160 [ 63.333533] ? sendmsg_copy_msghdr+0x30/0x30 [ 63.337930] ? __kasan_check_read+0x11/0x20 [ 63.342235] ? __fget_files+0x283/0x3e0 [ 63.346203] ? ksys_dup3+0x2e0/0x2e0 [ 63.349906] ? __might_fault+0xf1/0x1b0 [ 63.353870] ? __fget_light+0x1a7/0x220 [ 63.357829] ? lock_acquire+0x194/0x410 [ 63.361786] ? __fdget+0xe/0x10 [ 63.365052] __sys_sendmsg+0xd9/0x180 [ 63.368833] ? __sys_sendmsg_sock+0xa0/0xa0 [ 63.373147] ? __kasan_check_read+0x11/0x20 [ 63.377449] ? _copy_to_user+0xcb/0xf0 [ 63.381315] ? put_timespec64+0xa9/0x100 [ 63.385378] ? nsecs_to_jiffies+0x20/0x20 [ 63.389519] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.394873] __x64_sys_sendmsg+0x73/0xb0 [ 63.399064] do_syscall_64+0xd0/0x630 [ 63.402858] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.408037] RIP: 0033:0x457f89 [ 63.411215] 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 [ 63.430098] RSP: 002b:00007fcc7694ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 63.437799] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457f89 [ 63.445073] RDX: 0000000000000004 RSI: 0000000020000000 RDI: 000000000000000f [ 63.452332] RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 63.459712] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcc7694f6d4 [ 63.466981] R13: 00000000004c52ba R14: 00000000004d9038 R15: 00000000ffffffff [ 63.728202] tipc: Enabled bearer , priority 10 [ 63.763035] tipc: 32-bit node address hash set to 100007f [ 63.912053] tipc: Enabling of bearer rejected, already enabled [ 63.985441] tipc: Started in network mode [ 64.002216] tipc: Own node identity 7f000001, cluster identity 4711 [ 64.025137] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.3/7692 [ 64.034089] caller is dst_cache_get+0x33/0xa0 [ 64.038592] CPU: 1 PID: 7692 Comm: syz-executor.3 Not tainted 5.6.0-rc5-syzkaller #0 [ 64.046464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.055810] Call Trace: [ 64.058399] dump_stack+0x12d/0x187 [ 64.062033] debug_smp_processor_id.cold.1+0x84/0x9e [ 64.067130] dst_cache_get+0x33/0xa0 [ 64.070849] ? tipc_crypto_xmit+0x1e2/0x2b00 [ 64.075262] tipc_udp_xmit.isra.15+0xab/0xcd0 [ 64.079763] ? tipc_udp_addr2str+0x150/0x150 [ 64.084166] ? tipc_crypto_timeout+0xfb0/0xfb0 [ 64.088765] ? rcu_read_lock_held+0x9c/0xb0 [ 64.093104] ? rcu_read_lock_held_common+0x120/0x120 [ 64.098202] tipc_udp_send_msg+0x31e/0x3d0 [ 64.102436] tipc_bearer_xmit_skb+0x1a5/0x370 [ 64.106934] ? tipc_bearer_mtu+0x350/0x350 [ 64.111154] ? tipc_disc_create+0x5d7/0x8c0 [ 64.115464] tipc_enable_bearer+0x859/0xbb0 [ 64.119776] ? tipc_bearer_xmit_skb+0x370/0x370 [ 64.124432] ? __nla_validate_parse+0xa1/0x1d80 [ 64.129087] ? lock_acquire+0x194/0x410 [ 64.133042] ? rtnl_lock+0x12/0x20 [ 64.136571] ? rtnl_lock+0x12/0x20 [ 64.140094] __tipc_nl_bearer_enable+0x265/0x390 [ 64.144840] ? __tipc_nl_bearer_enable+0x187/0x390 [ 64.149749] ? __tipc_nl_bearer_enable+0x265/0x390 [ 64.154661] ? tipc_nl_bearer_disable+0x30/0x30 [ 64.159323] ? __local_bh_enable_ip+0x160/0x260 [ 64.163974] ? __dev_queue_xmit+0x1278/0x29a0 [ 64.168448] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 64.173005] ? __local_bh_enable_ip+0x160/0x260 [ 64.177816] tipc_nl_bearer_enable+0x1d/0x30 [ 64.182210] genl_rcv_msg+0x5e1/0x10f0 [ 64.186084] ? __kasan_check_read+0x11/0x20 [ 64.190392] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 64.196007] netlink_rcv_skb+0x13f/0x380 [ 64.200053] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 64.205673] ? netlink_ack+0x990/0x990 [ 64.209555] ? netlink_deliver_tap+0x178/0xac0 [ 64.214144] genl_rcv+0x23/0x40 [ 64.217407] netlink_unicast+0x479/0x6c0 [ 64.221452] ? netlink_attachskb+0x740/0x740 [ 64.225852] ? _copy_from_iter_full+0x18a/0x780 [ 64.230513] ? __kasan_check_read+0x11/0x20 [ 64.234814] ? __check_object_size+0x203/0x2ea [ 64.239381] netlink_sendmsg+0x7ab/0xd50 [ 64.243425] ? netlink_unicast+0x6c0/0x6c0 [ 64.247663] ? apparmor_socket_sendmsg+0x1b/0x20 [ 64.252401] ? netlink_unicast+0x6c0/0x6c0 [ 64.256615] sock_sendmsg+0xe6/0x110 [ 64.260307] ____sys_sendmsg+0x603/0x980 [ 64.264348] ? copy_msghdr_from_user+0x209/0x420 [ 64.269097] ? kernel_sendmsg+0x30/0x30 [ 64.273185] ___sys_sendmsg+0xe4/0x160 [ 64.277081] ? sendmsg_copy_msghdr+0x30/0x30 [ 64.281504] ? __kasan_check_read+0x11/0x20 [ 64.285818] ? __fget_files+0x283/0x3e0 [ 64.289902] ? ksys_dup3+0x2e0/0x2e0 [ 64.293611] ? __might_fault+0xf1/0x1b0 [ 64.297574] ? __fget_light+0x1a7/0x220 [ 64.301619] ? lock_acquire+0x194/0x410 [ 64.305576] ? __fdget+0xe/0x10 [ 64.308839] __sys_sendmsg+0xd9/0x180 [ 64.312621] ? __sys_sendmsg_sock+0xa0/0xa0 [ 64.316938] ? __kasan_check_read+0x11/0x20 [ 64.321238] ? _copy_to_user+0xcb/0xf0 [ 64.325108] ? put_timespec64+0xa9/0x100 [ 64.329151] ? nsecs_to_jiffies+0x20/0x20 [ 64.333284] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.338632] __x64_sys_sendmsg+0x73/0xb0 [ 64.342677] do_syscall_64+0xd0/0x630 [ 64.346456] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.351667] RIP: 0033:0x457f89 [ 64.355014] 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 [ 64.373895] RSP: 002b:00007fcb20b92c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 64.381580] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457f89 [ 64.388831] RDX: 0000000000000004 RSI: 0000000020000000 RDI: 000000000000000f [ 64.396095] RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 64.403356] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcb20b936d4 [ 64.410624] R13: 00000000004c52ba R14: 00000000004d9038 R15: 00000000ffffffff [ 64.428707] tipc: Enabled bearer , priority 10 [ 64.821265] tipc: Started in network mode [ 64.837692] tipc: Own node identity 7f000001, cluster identity 4711 [ 64.855524] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/7708 [ 64.864520] caller is dst_cache_get+0x33/0xa0 [ 64.869060] CPU: 0 PID: 7708 Comm: syz-executor.0 Not tainted 5.6.0-rc5-syzkaller #0 [ 64.876940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.886292] Call Trace: [ 64.888880] dump_stack+0x12d/0x187 [ 64.892507] debug_smp_processor_id.cold.1+0x84/0x9e [ 64.897602] dst_cache_get+0x33/0xa0 [ 64.901306] ? tipc_crypto_xmit+0x1e2/0x2b00 [ 64.905709] tipc_udp_xmit.isra.15+0xab/0xcd0 [ 64.910214] ? tipc_udp_addr2str+0x150/0x150 [ 64.914631] ? tipc_crypto_timeout+0xfb0/0xfb0 [ 64.919233] ? rcu_read_lock_held+0x9c/0xb0 [ 64.923563] ? rcu_read_lock_held_common+0x120/0x120 [ 64.928674] tipc_udp_send_msg+0x31e/0x3d0 [ 64.932916] tipc_bearer_xmit_skb+0x1a5/0x370 [ 64.937408] ? tipc_bearer_mtu+0x350/0x350 [ 64.941636] ? tipc_disc_create+0x5d7/0x8c0 [ 64.945964] tipc_enable_bearer+0x859/0xbb0 [ 64.950285] ? tipc_bearer_xmit_skb+0x370/0x370 [ 64.954958] ? __nla_validate_parse+0xa1/0x1d80 [ 64.959620] ? lock_acquire+0x194/0x410 [ 64.963590] ? rtnl_lock+0x12/0x20 [ 64.967131] ? rtnl_lock+0x12/0x20 [ 64.970682] __tipc_nl_bearer_enable+0x265/0x390 [ 64.975443] ? __tipc_nl_bearer_enable+0x187/0x390 [ 64.980370] ? __tipc_nl_bearer_enable+0x265/0x390 [ 64.985284] ? tipc_nl_bearer_disable+0x30/0x30 [ 64.989962] ? __local_bh_enable_ip+0x160/0x260 [ 64.994623] ? __dev_queue_xmit+0x1278/0x29a0 [ 64.999100] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 65.003797] ? __local_bh_enable_ip+0x160/0x260 [ 65.008472] tipc_nl_bearer_enable+0x1d/0x30 [ 65.012872] genl_rcv_msg+0x5e1/0x10f0 [ 65.016753] ? __kasan_check_read+0x11/0x20 [ 65.021066] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 65.026681] netlink_rcv_skb+0x13f/0x380 [ 65.030724] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 65.036332] ? netlink_ack+0x990/0x990 [ 65.040220] ? netlink_deliver_tap+0x178/0xac0 [ 65.044789] genl_rcv+0x23/0x40 [ 65.048175] netlink_unicast+0x479/0x6c0 [ 65.052251] ? netlink_attachskb+0x740/0x740 [ 65.056656] ? _copy_from_iter_full+0x18a/0x780 [ 65.061320] ? __kasan_check_read+0x11/0x20 [ 65.065624] ? __check_object_size+0x203/0x2ea [ 65.070207] netlink_sendmsg+0x7ab/0xd50 [ 65.074253] ? netlink_unicast+0x6c0/0x6c0 [ 65.078473] ? apparmor_socket_sendmsg+0x1b/0x20 [ 65.083219] ? netlink_unicast+0x6c0/0x6c0 [ 65.087437] sock_sendmsg+0xe6/0x110 [ 65.091134] ____sys_sendmsg+0x603/0x980 [ 65.095176] ? copy_msghdr_from_user+0x209/0x420 [ 65.099925] ? kernel_sendmsg+0x30/0x30 [ 65.103885] ___sys_sendmsg+0xe4/0x160 [ 65.107772] ? sendmsg_copy_msghdr+0x30/0x30 [ 65.112160] ? __kasan_check_read+0x11/0x20 [ 65.116485] ? __fget_files+0x283/0x3e0 [ 65.120473] ? ksys_dup3+0x2e0/0x2e0 [ 65.124167] ? __might_fault+0xf1/0x1b0 [ 65.128136] ? __fget_light+0x1a7/0x220 [ 65.132090] ? lock_acquire+0x194/0x410 [ 65.136046] ? __fdget+0xe/0x10 [ 65.139454] __sys_sendmsg+0xd9/0x180 [ 65.143366] ? __sys_sendmsg_sock+0xa0/0xa0 [ 65.147670] ? __kasan_check_read+0x11/0x20 [ 65.152095] ? _copy_to_user+0xcb/0xf0 [ 65.155975] ? put_timespec64+0xa9/0x100 [ 65.160148] ? nsecs_to_jiffies+0x20/0x20 [ 65.164322] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.169676] __x64_sys_sendmsg+0x73/0xb0 [ 65.173725] do_syscall_64+0xd0/0x630 [ 65.177511] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.182850] RIP: 0033:0x457f89 [ 65.186061] 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 [ 65.204956] RSP: 002b:00007f59d6593c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 65.212652] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457f89 [ 65.219905] RDX: 0000000000000004 RSI: 0000000020000000 RDI: 000000000000000f [ 65.227157] RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 65.234419] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f59d65946d4 [ 65.241670] R13: 00000000004c52ba R14: 00000000004d9038 R15: 00000000ffffffff [ 65.254288] tipc: 32-bit node address hash set to 100007f [ 65.335059] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/7708 [ 65.343964] caller is dst_cache_set_ip4+0x97/0x2e0 [ 65.348936] CPU: 1 PID: 7708 Comm: syz-executor.0 Not tainted 5.6.0-rc5-syzkaller #0 [ 65.356827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.366178] Call Trace: [ 65.368765] dump_stack+0x12d/0x187 [ 65.372386] debug_smp_processor_id.cold.1+0x84/0x9e [ 65.377482] dst_cache_set_ip4+0x97/0x2e0 [ 65.381628] ? dst_cache_get_ip6+0x1b0/0x1b0 [ 65.386029] ? xfrm_lookup_route+0x1f/0x170 [ 65.390346] tipc_udp_xmit.isra.15+0x7aa/0xcd0 [ 65.394927] ? tipc_udp_addr2str+0x150/0x150 [ 65.399324] ? tipc_crypto_timeout+0xfb0/0xfb0 [ 65.403896] ? rcu_read_lock_held+0x9c/0xb0 [ 65.408287] ? rcu_read_lock_held_common+0x120/0x120 [ 65.413374] tipc_udp_send_msg+0x31e/0x3d0 [ 65.417615] tipc_bearer_xmit_skb+0x1a5/0x370 [ 65.422182] ? tipc_bearer_mtu+0x350/0x350 [ 65.426423] ? tipc_disc_create+0x5d7/0x8c0 [ 65.430752] tipc_enable_bearer+0x859/0xbb0 [ 65.435278] ? tipc_bearer_xmit_skb+0x370/0x370 [ 65.439955] ? __nla_validate_parse+0xa1/0x1d80 [ 65.444709] ? lock_acquire+0x194/0x410 [ 65.448678] ? rtnl_lock+0x12/0x20 [ 65.452213] ? rtnl_lock+0x12/0x20 [ 65.455746] __tipc_nl_bearer_enable+0x265/0x390 [ 65.460484] ? __tipc_nl_bearer_enable+0x187/0x390 [ 65.465535] ? __tipc_nl_bearer_enable+0x265/0x390 [ 65.470457] ? tipc_nl_bearer_disable+0x30/0x30 [ 65.475204] ? __local_bh_enable_ip+0x160/0x260 [ 65.479856] ? __dev_queue_xmit+0x1278/0x29a0 [ 65.484342] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 65.488924] ? __local_bh_enable_ip+0x160/0x260 [ 65.493596] tipc_nl_bearer_enable+0x1d/0x30 [ 65.497998] genl_rcv_msg+0x5e1/0x10f0 [ 65.501876] ? __kasan_check_read+0x11/0x20 [ 65.506330] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 65.511947] netlink_rcv_skb+0x13f/0x380 [ 65.515996] ? genl_family_rcv_msg_attrs_parse+0x2f0/0x2f0 [ 65.521613] ? netlink_ack+0x990/0x990 [ 65.525492] ? netlink_deliver_tap+0x178/0xac0 [ 65.530066] genl_rcv+0x23/0x40 [ 65.533332] netlink_unicast+0x479/0x6c0 [ 65.537377] ? netlink_attachskb+0x740/0x740 [ 65.541773] ? _copy_from_iter_full+0x18a/0x780 [ 65.546438] ? __kasan_check_read+0x11/0x20 [ 65.550846] ? __check_object_size+0x203/0x2ea [ 65.555411] netlink_sendmsg+0x7ab/0xd50 [ 65.559478] ? netlink_unicast+0x6c0/0x6c0 [ 65.563716] ? apparmor_socket_sendmsg+0x1b/0x20 [ 65.568469] ? netlink_unicast+0x6c0/0x6c0 [ 65.572706] sock_sendmsg+0xe6/0x110 [ 65.576402] ____sys_sendmsg+0x603/0x980 [ 65.580454] ? copy_msghdr_from_user+0x209/0x420 [ 65.585220] ? kernel_sendmsg+0x30/0x30 [ 65.589288] ___sys_sendmsg+0xe4/0x160 [ 65.593171] ? sendmsg_copy_msghdr+0x30/0x30 [ 65.597683] ? __kasan_check_read+0x11/0x20 [ 65.602006] ? __fget_files+0x283/0x3e0 [ 65.605970] ? ksys_dup3+0x2e0/0x2e0 [ 65.609721] ? __might_fault+0xf1/0x1b0 [ 65.613704] ? __fget_light+0x1a7/0x220 [ 65.617660] ? lock_acquire+0x194/0x410 [ 65.621627] ? __fdget+0xe/0x10 [ 65.624891] __sys_sendmsg+0xd9/0x180 [ 65.628680] ? __sys_sendmsg_sock+0xa0/0xa0 [ 65.633003] ? __kasan_check_read+0x11/0x20 [ 65.637320] ? _copy_to_user+0xcb/0xf0 [ 65.641190] ? put_timespec64+0xa9/0x100 [ 65.645247] ? nsecs_to_jiffies+0x20/0x20 [ 65.649380] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.654738] __x64_sys_sendmsg+0x73/0xb0 [ 65.658796] do_syscall_64+0xd0/0x630 [ 65.662593] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.667772] RIP: 0033:0x457f89 [ 65.670957] 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 [ 65.689989] RSP: 002b:00007f59d6593c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 65.697761] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457f89 [ 65.705012] RDX: 0000000000000004 RSI: 0000000020000000 RDI: 000000000000000f [ 65.712273] RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 65.719525] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f59d65946d4 [ 65.726850] R13: 00000000004c52ba R14: 00000000004d9038 R15: 00000000ffffffff [ 65.738793] tipc: Enabled bearer , priority 10 [ 65.859967] tipc: Enabling of bearer rejected, already enabled [ 65.877958] tipc: 32-bit node address hash set to 100007f [ 65.886547] tipc: Enabling of bearer rejected, already enabled [ 65.913410] tipc: Enabling of bearer rejected, already enabled [ 66.035386] tipc: Enabling of bearer rejected, already enabled [ 66.063801] tipc: Enabling of bearer rejected, already enabled [ 66.072930] tipc: Enabling of bearer rejected, already enabled 2020/03/22 05:33:53 executed programs: 37 [ 66.494632] tipc: Enabling of bearer rejected, already enabled [ 66.551588] tipc: Enabling of bearer rejected, already enabled [ 66.577352] tipc: Enabling of bearer rejected, already enabled [ 67.118658] tipc: Enabling of bearer rejected, already enabled [ 67.188363] tipc: Enabling of bearer rejected, already enabled [ 67.247858] tipc: Enabling of bearer rejected, already enabled [ 67.302714] tipc: Enabling of bearer rejected, already enabled [ 67.755980] tipc: Enabling of bearer rejected, already enabled [ 67.853476] tipc: Enabling of bearer rejected, already enabled [ 67.891612] tipc: Enabling of bearer rejected, already enabled [ 67.951993] tipc: Enabling of bearer rejected, already enabled [ 68.361194] tipc: Enabling of bearer rejected, already enabled [ 68.407504] tipc: Enabling of bearer rejected, already enabled [ 68.438321] tipc: Enabling of bearer rejected, already enabled [ 68.518981] tipc: Enabling of bearer rejected, already enabled [ 68.559109] tipc: Enabling of bearer rejected, already enabled [ 68.889272] tipc: Enabling of bearer rejected, already enabled