[ 19.870887] random: 7 urandom warning(s) missed due to ratelimiting [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 33.301943] IPVS: ftp: loaded support on port[0] = 21 [ 33.598967] tipc: TX() has been purged, node left! [ 33.872205] can: request_module (can-proto-0) failed. [ 36.798780] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.1.29' (ECDSA) to the list of known hosts. 2020/04/16 22:29:18 parsed 1 programs 2020/04/16 22:29:19 executed programs: 0 [ 45.543395] IPVS: ftp: loaded support on port[0] = 21 [ 45.550058] IPVS: ftp: loaded support on port[0] = 21 [ 45.576907] IPVS: ftp: loaded support on port[0] = 21 [ 45.591705] IPVS: ftp: loaded support on port[0] = 21 [ 45.611359] IPVS: ftp: loaded support on port[0] = 21 [ 45.623349] IPVS: ftp: loaded support on port[0] = 21 [ 45.862733] chnl_net:caif_netlink_parms(): no params data found [ 45.887780] chnl_net:caif_netlink_parms(): no params data found [ 45.944347] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.951498] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.960586] device bridge_slave_0 entered promiscuous mode [ 45.971099] chnl_net:caif_netlink_parms(): no params data found [ 46.011321] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.018663] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.027413] device bridge_slave_1 entered promiscuous mode [ 46.139626] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 46.155400] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 46.171607] chnl_net:caif_netlink_parms(): no params data found [ 46.180123] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.186699] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.196264] device bridge_slave_0 entered promiscuous mode [ 46.219215] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.227677] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.235882] device bridge_slave_0 entered promiscuous mode [ 46.253093] chnl_net:caif_netlink_parms(): no params data found [ 46.267964] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.275655] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.282706] device bridge_slave_1 entered promiscuous mode [ 46.291061] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.298776] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.306389] device bridge_slave_1 entered promiscuous mode [ 46.328856] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.335710] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.342802] device bridge_slave_0 entered promiscuous mode [ 46.353188] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.360202] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.367633] device bridge_slave_1 entered promiscuous mode [ 46.376211] team0: Port device team_slave_0 added [ 46.399791] chnl_net:caif_netlink_parms(): no params data found [ 46.422722] team0: Port device team_slave_1 added [ 46.439493] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 46.471185] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.478648] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.486214] device bridge_slave_0 entered promiscuous mode [ 46.494922] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 46.505504] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 46.527183] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 46.536861] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.543209] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.551625] device bridge_slave_1 entered promiscuous mode [ 46.560149] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 46.592666] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 46.636448] device hsr_slave_0 entered promiscuous mode [ 46.693925] device hsr_slave_1 entered promiscuous mode [ 46.743829] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.750200] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.758573] device bridge_slave_0 entered promiscuous mode [ 46.770149] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.780345] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.787822] device bridge_slave_1 entered promiscuous mode [ 46.807048] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 46.818891] team0: Port device team_slave_0 added [ 46.829253] team0: Port device team_slave_1 added [ 46.848457] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 46.858730] team0: Port device team_slave_0 added [ 46.865837] team0: Port device team_slave_1 added [ 46.889146] team0: Port device team_slave_0 added [ 46.921682] team0: Port device team_slave_1 added [ 46.935413] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 46.985819] device hsr_slave_0 entered promiscuous mode [ 47.054181] device hsr_slave_1 entered promiscuous mode [ 47.093652] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 47.101319] Cannot create hsr debugfs directory [ 47.109553] team0: Port device team_slave_0 added [ 47.116952] team0: Port device team_slave_1 added [ 47.124387] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 47.207350] device hsr_slave_0 entered promiscuous mode [ 47.267208] device hsr_slave_1 entered promiscuous mode [ 47.323283] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 47.330258] Cannot create hsr debugfs directory [ 47.350334] team0: Port device team_slave_0 added [ 47.358922] team0: Port device team_slave_1 added [ 47.406056] device hsr_slave_0 entered promiscuous mode [ 47.447047] device hsr_slave_1 entered promiscuous mode [ 47.483689] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 47.490563] Cannot create hsr debugfs directory [ 47.546163] device hsr_slave_0 entered promiscuous mode [ 47.614631] device hsr_slave_1 entered promiscuous mode [ 47.673175] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 47.680057] Cannot create hsr debugfs directory [ 47.746917] device hsr_slave_0 entered promiscuous mode [ 47.783700] device hsr_slave_1 entered promiscuous mode [ 47.823266] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 47.830226] Cannot create hsr debugfs directory [ 47.887844] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.929842] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.949587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.957735] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.991704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.001553] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.010221] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.017014] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.027396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.036038] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.044127] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.050487] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.057940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.074713] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.081237] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.102127] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.117754] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.131657] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.139912] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.148391] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.157161] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.165813] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.183404] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 48.197481] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 48.217937] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.225358] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.232646] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.241866] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.250494] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.258549] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.267296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.275022] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.282305] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.290223] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.297547] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.312253] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.332626] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.344837] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.351812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.363987] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.371825] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.380695] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.387131] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.398783] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.430656] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.438876] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.447172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.454949] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.465402] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.473597] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.480143] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.487913] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.496255] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.504558] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.512235] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.518653] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.525829] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.534841] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.542426] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.548842] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.555854] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.564086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.572178] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.580992] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.588918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.596983] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.604731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.612326] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.620169] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.628283] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.641649] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.651485] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.660870] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.670306] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.677819] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.686128] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.715628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.724155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.733966] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.741755] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.755599] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.770272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.777658] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.789368] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.797969] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.814028] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.822166] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.829979] hrtimer: interrupt took 26543 ns [ 48.842226] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.850408] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.863974] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.872194] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.881310] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.888007] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.898148] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.950351] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.959673] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.969410] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.986296] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.001041] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.007825] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.016159] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.024728] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.042200] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.048670] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.062822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.071303] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.087015] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.098223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.110206] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.127192] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.138538] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.150459] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.166318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.177983] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.189580] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.201863] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.232343] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 49.250599] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 49.264880] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.283325] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.303059] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 49.311399] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.329430] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.346581] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.357998] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.364506] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.413154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.421700] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.429801] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.436267] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.451364] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.459757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.474828] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.482545] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.498372] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.510863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.521292] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.537433] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.547919] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.560910] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.572226] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.613649] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.631935] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.649908] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.709364] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.738524] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 49.755275] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.783244] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.804692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.818118] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.838567] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.855632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.869978] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.900256] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 49.957865] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.014538] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.022019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.042805] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.050986] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.068731] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.090219] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.173918] 8021q: adding VLAN 0 to HW filter on device batadv0 2020/04/16 22:29:24 executed programs: 7 [ 52.822324] sched: RT throttling activated [ 159.909049] rcu: INFO: rcu_preempt self-detected stall on CPU [ 159.915168] rcu: 1-...!: (10499 ticks this GP) idle=eda/1/0x4000000000000002 softirq=8499/8508 fqs=1 [ 159.924924] (t=10500 jiffies g=5685 q=235) [ 159.929252] rcu: rcu_preempt kthread starved for 10498 jiffies! g5685 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 159.939999] rcu: RCU grace-period kthread stack dump: [ 159.945182] rcu_preempt R running task 29080 10 2 0x80004000 [ 159.952382] Call Trace: [ 159.954966] __schedule+0x85b/0x1960 [ 159.958683] ? __sched_text_start+0x8/0x8 [ 159.962825] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 159.968015] ? lockdep_hardirqs_on+0x481/0x620 [ 159.974426] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 159.979538] schedule+0xc3/0x2b0 [ 159.983090] schedule_timeout+0x2bd/0x710 [ 159.987230] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 159.992331] ? usleep_range+0x130/0x130 [ 159.996304] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 160.001411] ? prepare_to_swait_event+0x130/0x390 [ 160.006256] ? __next_timer_interrupt+0x100/0x100 [ 160.011103] rcu_gp_kthread+0x9da/0x1a40 [ 160.015244] ? do_raw_spin_lock+0x132/0x2e0 [ 160.019763] ? rcu_barrier+0x4c0/0x4c0 [ 160.023655] ? __kthread_parkme+0x37/0x1c0 [ 160.027900] ? __kthread_parkme+0xb8/0x1c0 [ 160.032140] ? schedule+0xe3/0x2b0 [ 160.035788] kthread+0x357/0x420 [ 160.039160] ? rcu_barrier+0x4c0/0x4c0 [ 160.043080] ? kthread_mod_delayed_work+0x190/0x190 [ 160.048101] ret_from_fork+0x3a/0x50 [ 160.051931] NMI backtrace for cpu 1 [ 160.055566] CPU: 1 PID: 7799 Comm: syz-executor.0 Not tainted 5.7.0-rc1-syzkaller #0 [ 160.063446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 160.072803] Call Trace: [ 160.075389] [ 160.077722] dump_stack+0x12d/0x187 [ 160.081345] nmi_cpu_backtrace.cold.7+0x4b/0x84 [ 160.086188] ? _raw_spin_lock_irqsave+0x74/0xd0 [ 160.090871] ? lapic_can_unplug_cpu.cold.30+0x3f/0x3f [ 160.096214] nmi_trigger_cpumask_backtrace+0x18b/0x1b7 [ 160.101494] arch_trigger_cpumask_backtrace+0x14/0x20 [ 160.106697] rcu_dump_cpu_stacks+0x1a1/0x1ee [ 160.111208] rcu_sched_clock_irq.cold.87+0x3c7/0xc50 [ 160.116326] ? raise_softirq+0x141/0x340 [ 160.120404] update_process_times+0x23/0x50 [ 160.124830] tick_sched_handle+0x77/0x140 [ 160.128977] tick_sched_timer+0x43/0x100 [ 160.133039] __hrtimer_run_queues+0x52a/0xc10 [ 160.137637] ? tick_sched_do_timer+0x140/0x140 [ 160.142227] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 160.147501] ? ktime_get_update_offsets_now+0x146/0x360 [ 160.152986] hrtimer_interrupt+0x2df/0x760 [ 160.157252] smp_apic_timer_interrupt+0x16f/0x600 [ 160.162365] apic_timer_interrupt+0xf/0x20 [ 160.166607] [ 160.168845] RIP: 0010:lock_acquire+0x291/0x9e0 [ 160.173424] Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 64 06 00 00 48 83 3d ae f3 20 07 00 0f 84 d3 04 00 00 48 8b bd 48 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 c7 03 00 00 [ 160.192859] RSP: 0018:ffff8880943ff078 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 160.200579] RAX: dffffc0000000000 RBX: 1ffff1101287fe13 RCX: 1ffff1101287fdf8 [ 160.208030] RDX: 1ffffffff10e8e04 RSI: 0000000000000001 RDI: 0000000000000286 [ 160.215406] RBP: ffff8880943ff140 R08: fffffbfff13db838 R09: fffffbfff13db838 [ 160.223018] R10: ffffffff89edc1bf R11: fffffbfff13db837 R12: ffff888091b50640 [ 160.230283] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 160.237586] ? lock_release+0x960/0x960 [ 160.241570] ? __kasan_check_read+0x11/0x20 [ 160.246039] ? __ext4_get_inode_loc+0x39d/0x1050 [ 160.250911] _raw_spin_lock+0x2d/0x40 [ 160.254895] ? ext4_mark_iloc_dirty+0x271/0x2f10 [ 160.259651] ext4_mark_iloc_dirty+0x271/0x2f10 [ 160.264758] ? __might_sleep+0x95/0x190 [ 160.268928] ? ext4_chunk_trans_blocks+0x10/0x10 [ 160.273693] ? __ext4_journal_get_write_access+0x2e/0x80 [ 160.279161] ? ext4_reserve_inode_write+0x131/0x1f0 [ 160.284468] ext4_mark_inode_dirty+0x1e3/0x790 [ 160.289308] ? ext4_dirty_inode+0xc6/0x100 [ 160.293632] ? ext4_expand_extra_isize+0x570/0x570 [ 160.298562] ? __might_sleep+0x95/0x190 [ 160.302532] ? __kasan_check_read+0x11/0x20 [ 160.307193] ? ext4_journal_check_start+0x5e/0x220 [ 160.312256] ? __ext4_journal_start_sb+0x74/0x3b0 [ 160.317096] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 160.321947] ? ext4_dirty_inode+0xa9/0x100 [ 160.326289] ext4_dirty_inode+0xc6/0x100 [ 160.330450] __mark_inode_dirty+0x493/0xe60 [ 160.335741] ? __kasan_check_write+0x14/0x20 [ 160.340204] generic_write_end+0x176/0x230 [ 160.344432] ? memcpy+0x4d/0x60 [ 160.347709] ext4_da_write_end+0x171/0xa40 [ 160.351948] generic_perform_write+0x356/0x4a0 [ 160.356620] ? page_cache_next_miss+0x220/0x220 [ 160.361284] ? down_write+0xdc/0x150 [ 160.364997] ? file_modified+0x53/0x70 [ 160.368881] ext4_buffered_write_iter+0x1be/0x3d0 [ 160.373724] ext4_file_write_iter+0x1b7/0x13b0 [ 160.378302] ? do_splice_direct+0x158/0x280 [ 160.382618] ? do_sendfile+0x4a9/0xe30 [ 160.386498] ? __x64_sys_sendfile64+0x12e/0x1e0 [ 160.391162] ? do_syscall_64+0xd0/0x630 [ 160.395137] ? entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 160.400510] ? ext4_buffered_write_iter+0x3d0/0x3d0 [ 160.405518] ? mark_held_locks+0x130/0x130 [ 160.409767] do_iter_readv_writev+0x53c/0xa80 [ 160.414254] ? __kasan_check_read+0x11/0x20 [ 160.418570] ? mark_lock+0xbf/0x630 [ 160.422191] ? no_seek_end_llseek_size+0x20/0x20 [ 160.426945] ? rw_verify_area+0xc5/0x2c0 [ 160.431172] do_iter_write+0x12e/0x550 [ 160.435155] ? __kmalloc+0x623/0x7a0 [ 160.438881] vfs_iter_write+0x5b/0xb0 [ 160.442694] ? page_cache_pipe_buf_confirm+0x65/0x220 [ 160.447986] iter_file_splice_write+0x57c/0xb80 [ 160.452678] ? page_cache_pipe_buf_steal+0x1f0/0x1f0 [ 160.457906] ? rw_verify_area+0xc5/0x2c0 [ 160.462053] direct_splice_actor+0x107/0x1c0 [ 160.466558] splice_direct_to_actor+0x348/0x960 [ 160.473324] ? pipe_to_sendpage+0x4b0/0x4b0 [ 160.477642] ? do_splice_to+0x130/0x130 [ 160.481610] ? rw_verify_area+0xc5/0x2c0 [ 160.485862] do_splice_direct+0x158/0x280 [ 160.490007] ? rcu_read_lock_any_held+0xcd/0xf0 [ 160.494673] ? splice_direct_to_actor+0x960/0x960 [ 160.499512] ? __sb_start_write+0x231/0x340 [ 160.503848] do_sendfile+0x4a9/0xe30 [ 160.507572] ? do_compat_pwritev64+0x190/0x190 [ 160.512153] ? __kasan_check_write+0x14/0x20 [ 160.516566] __x64_sys_sendfile64+0x12e/0x1e0 [ 160.521058] ? __ia32_sys_sendfile+0x1d0/0x1d0 [ 160.525630] ? entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 160.530984] ? lockdep_hardirqs_on+0x481/0x620 [ 160.535662] ? do_syscall_64+0x21/0x630 [ 160.539631] ? trace_hardirqs_on+0x28/0x1b0 [ 160.543958] do_syscall_64+0xd0/0x630 [ 160.547755] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 160.552940] RIP: 0033:0x457f79 [ 160.556152] 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 [ 160.575223] RSP: 002b:00007f5601d35c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 160.583013] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457f79 [ 160.590274] RDX: 0000000020000000 RSI: 0000000000000003 RDI: 0000000000000003 [ 160.597536] RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 160.604815] R10: 00008080fffffffe R11: 0000000000000246 R12: 00007f5601d366d4 [ 160.612091] R13: 00000000004c4e6e R14: 00000000004d8b98 R15: 00000000ffffffff