[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] startpar: service(s) returned failure: ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 64.746249] IPVS: ftp: loaded support on port[0] = 21 [ 65.278081] can: request_module (can-proto-0) failed. [ 66.186366] can: request_module (can-proto-0) failed. [ 66.723687] syz-fuzzer (7325) used greatest stack depth: 23376 bytes left Warning: Permanently added '10.128.0.209' (ECDSA) to the list of known hosts. 2019/04/15 17:27:57 parsed 1 programs 2019/04/15 17:27:58 executed programs: 0 [ 75.293872] IPVS: ftp: loaded support on port[0] = 21 [ 75.315138] IPVS: ftp: loaded support on port[0] = 21 [ 75.323407] IPVS: ftp: loaded support on port[0] = 21 [ 75.364904] IPVS: ftp: loaded support on port[0] = 21 [ 75.364906] IPVS: ftp: loaded support on port[0] = 21 [ 75.418278] IPVS: ftp: loaded support on port[0] = 21 [ 75.640259] chnl_net:caif_netlink_parms(): no params data found [ 75.682329] chnl_net:caif_netlink_parms(): no params data found [ 75.709241] chnl_net:caif_netlink_parms(): no params data found [ 75.718832] chnl_net:caif_netlink_parms(): no params data found [ 75.732184] chnl_net:caif_netlink_parms(): no params data found [ 75.741308] chnl_net:caif_netlink_parms(): no params data found [ 75.819733] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.827052] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.834630] device bridge_slave_0 entered promiscuous mode [ 75.847197] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.854537] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.864469] device bridge_slave_1 entered promiscuous mode [ 75.896296] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.903171] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.910635] device bridge_slave_0 entered promiscuous mode [ 75.932375] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.939033] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.946565] device bridge_slave_0 entered promiscuous mode [ 75.965939] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.977443] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.986577] device bridge_slave_1 entered promiscuous mode [ 76.004389] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 76.012650] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.021414] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.029210] device bridge_slave_1 entered promiscuous mode [ 76.046415] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.052979] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.060375] device bridge_slave_0 entered promiscuous mode [ 76.073271] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 76.089263] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.096392] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.104431] device bridge_slave_0 entered promiscuous mode [ 76.116142] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.122747] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.129983] device bridge_slave_1 entered promiscuous mode [ 76.137199] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.144240] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.152117] device bridge_slave_1 entered promiscuous mode [ 76.159766] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 76.186917] team0: Port device team_slave_0 added [ 76.197400] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.204636] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.212940] device bridge_slave_0 entered promiscuous mode [ 76.223741] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.230352] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.237603] device bridge_slave_1 entered promiscuous mode [ 76.245174] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 76.260095] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 76.269299] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 76.279365] team0: Port device team_slave_1 added [ 76.291206] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 76.311943] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 76.320767] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 76.384539] device hsr_slave_0 entered promiscuous mode [ 76.429944] device hsr_slave_1 entered promiscuous mode [ 76.481394] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 76.506821] team0: Port device team_slave_0 added [ 76.523033] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 76.532987] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 76.545397] team0: Port device team_slave_1 added [ 76.563592] team0: Port device team_slave_0 added [ 76.575918] team0: Port device team_slave_1 added [ 76.584841] team0: Port device team_slave_0 added [ 76.592284] team0: Port device team_slave_0 added [ 76.608811] team0: Port device team_slave_0 added [ 76.616884] team0: Port device team_slave_1 added [ 76.623062] team0: Port device team_slave_1 added [ 76.672171] device hsr_slave_0 entered promiscuous mode [ 76.730893] device hsr_slave_1 entered promiscuous mode [ 76.771198] team0: Port device team_slave_1 added [ 76.852648] device hsr_slave_0 entered promiscuous mode [ 76.919918] device hsr_slave_1 entered promiscuous mode [ 77.052526] device hsr_slave_0 entered promiscuous mode [ 77.120058] device hsr_slave_1 entered promiscuous mode [ 77.242422] device hsr_slave_0 entered promiscuous mode [ 77.280238] device hsr_slave_1 entered promiscuous mode [ 77.372462] device hsr_slave_0 entered promiscuous mode [ 77.412711] device hsr_slave_1 entered promiscuous mode [ 77.606038] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.618960] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.628555] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.651558] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.663472] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.672159] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.682631] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.697986] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.709083] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.727289] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.735889] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.742948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.750774] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.757785] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.765615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.772701] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.780795] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.788456] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.795077] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.802990] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.811563] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.819544] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.825899] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.833160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.840268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.848431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.857646] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.868938] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.903056] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.917099] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.925582] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.934765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.944143] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.952134] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.958494] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.965784] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.975450] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.983324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.991463] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.999058] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.005633] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.013400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.021464] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.029119] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.038685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 78.046721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.055036] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.062929] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.071144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.079177] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.090355] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.100621] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.108549] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.116526] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.123247] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.130822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.138562] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.145825] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.153816] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.161549] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.167889] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.175071] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.183109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.191777] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.200752] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.208013] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.215218] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.223216] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.244683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.253122] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.261874] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.268488] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.276405] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.284326] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.292383] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.300479] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.306830] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.314057] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.322444] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.330366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.338352] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.346426] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.354935] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.386160] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.394844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.405163] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.414347] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.423287] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.432555] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.439617] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.447478] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.456575] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.465310] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.474778] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.483501] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.498563] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.507692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 78.517898] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.526401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.535592] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.544090] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.552658] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.559115] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.566836] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.575230] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.584315] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.595403] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.605013] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.614122] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.623317] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.631677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.642804] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.653863] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.663504] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.679272] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.690521] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.720843] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 78.738406] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.753906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.764445] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.785696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 78.812872] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.835710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.855989] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.867486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.878999] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.893781] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.902390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.917204] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.934808] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.950603] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.958099] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.980093] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 78.992254] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 79.021636] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 79.039861] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 79.048244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 79.057222] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 79.065621] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 79.074239] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.103359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 79.115837] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 79.135740] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 79.147215] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 79.198466] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.210312] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 79.220943] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 79.236164] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.251105] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 79.264924] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 79.273252] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 79.284774] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 79.295834] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 79.305359] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 79.319164] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.334637] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.345234] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.375223] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 79.476696] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 232.809813] INFO: task syz-executor.2:7432 blocked for more than 140 seconds. [ 232.817440] Not tainted 5.0.0-rc6+ #1 [ 232.823157] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 232.832696] syz-executor.2 D28864 7432 7408 0x20020004 [ 232.838517] Call Trace: [ 232.841232] __schedule+0x904/0x1c20 [ 232.844966] ? pci_mmcfg_check_reserved+0x120/0x120 [ 232.850254] ? mark_held_locks+0x130/0x130 [ 232.854728] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 232.860260] schedule+0x7f/0x180 [ 232.863811] schedule_timeout+0x6d7/0xda0 [ 232.868089] ? find_held_lock+0x36/0x1d0 [ 232.872822] ? usleep_range+0x130/0x130 [ 232.876948] ? mark_held_locks+0xc7/0x130 [ 232.881721] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.887530] ? wait_for_completion+0x27a/0x460 [ 232.893482] ? lockdep_hardirqs_on+0x421/0x5c0 [ 232.898187] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.903684] ? trace_hardirqs_on+0x28/0x190 [ 232.908126] ? kasan_check_read+0x11/0x20 [ 232.912456] wait_for_completion+0x282/0x460 [ 232.917222] ? wait_for_completion_interruptible+0x500/0x500 [ 232.923381] ? trace_hardirqs_on+0x28/0x190 [ 232.929018] ? wake_up_q+0x100/0x100 [ 232.933283] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 232.939773] __io_uring_register+0xb8/0x1b20 [ 232.944386] ? __mutex_lock+0x51b/0x1210 [ 232.949147] ? lock_downgrade+0x7f0/0x7f0 [ 232.954142] ? __ia32_sys_io_uring_register+0x15a/0x1e0 [ 232.961574] ? __fget+0x2af/0x420 [ 232.965096] ? io_sq_wq_submit_work+0x660/0x660 [ 232.970101] ? ksys_dup3+0x2e0/0x2e0 [ 232.973961] __ia32_sys_io_uring_register+0x16f/0x1e0 [ 232.979254] do_fast_syscall_32+0x23b/0xa60 [ 232.983797] entry_SYSENTER_compat+0x70/0x7f [ 232.988264] RIP: 0023:0xf7fca849 [ 232.991710] Code: Bad RIP value. [ 232.995140] RSP: 002b:00000000f7fc60cc EFLAGS: 00000296 ORIG_RAX: 00000000000001ab [ 233.002978] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000001 [ 233.010484] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 233.019402] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 233.027268] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 233.035278] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 233.043291] INFO: task syz-executor.2:7433 blocked for more than 140 seconds. [ 233.051477] Not tainted 5.0.0-rc6+ #1 [ 233.056084] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 233.064823] syz-executor.2 D30448 7433 7408 0x20020004 [ 233.070650] Call Trace: [ 233.073670] __schedule+0x904/0x1c20 [ 233.077557] ? pci_mmcfg_check_reserved+0x120/0x120 [ 233.083170] schedule+0x7f/0x180 [ 233.086656] schedule_preempt_disabled+0x13/0x20 [ 233.091661] __mutex_lock+0x806/0x1210 [ 233.095578] ? __ia32_sys_io_uring_enter+0x4b9/0x870 [ 233.100914] ? mutex_lock_io_nested+0x10e0/0x10e0 [ 233.106358] ? find_held_lock+0x36/0x1d0 [ 233.110988] ? lock_downgrade+0x7f0/0x7f0 [ 233.115193] mutex_lock_nested+0x16/0x20 [ 233.119627] ? mutex_lock_nested+0x16/0x20 [ 233.124324] __ia32_sys_io_uring_enter+0x4b9/0x870 [ 233.132685] ? __x64_sys_io_uring_enter+0x880/0x880 [ 233.138489] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 233.143781] ? do_fast_syscall_32+0xd1/0xa60 [ 233.148555] ? entry_SYSENTER_compat+0x70/0x7f [ 233.153336] ? lockdep_hardirqs_on+0x421/0x5c0 [ 233.158048] ? do_fast_syscall_32+0xd1/0xa60 [ 233.163302] ? trace_hardirqs_on+0x28/0x190 [ 233.167751] do_fast_syscall_32+0x23b/0xa60 [ 233.172491] entry_SYSENTER_compat+0x70/0x7f [ 233.177344] RIP: 0023:0xf7fca849 [ 233.181003] Code: Bad RIP value. [ 233.184895] RSP: 002b:00000000f7fa50cc EFLAGS: 00000296 ORIG_RAX: 00000000000001aa [ 233.192996] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000010005 [ 233.200654] RDX: 0000000000000002 RSI: 0000000000000003 RDI: 0000000000000000 [ 233.209308] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 233.217709] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 233.225325] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 233.236051] INFO: task syz-executor.2:7467 blocked for more than 140 seconds. [ 233.244001] Not tainted 5.0.0-rc6+ #1 [ 233.249662] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 233.259000] syz-executor.2 D29576 7467 7408 0x20020004 [ 233.265266] Call Trace: [ 233.267886] __schedule+0x904/0x1c20 [ 233.272193] ? debug_object_active_state+0x226/0x3b0 [ 233.278319] ? pci_mmcfg_check_reserved+0x120/0x120 [ 233.283588] ? mark_held_locks+0x130/0x130 [ 233.289274] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 233.295980] schedule+0x7f/0x180 [ 233.299390] schedule_timeout+0x6d7/0xda0 [ 233.303890] ? find_held_lock+0x36/0x1d0 [ 233.308269] ? usleep_range+0x130/0x130 [ 233.313805] ? mark_held_locks+0xc7/0x130 [ 233.318139] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.322743] ? wait_for_completion+0x27a/0x460 [ 233.329245] ? lockdep_hardirqs_on+0x421/0x5c0 [ 233.334109] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.338823] ? trace_hardirqs_on+0x28/0x190 [ 233.344042] ? kasan_check_read+0x11/0x20 [ 233.348382] wait_for_completion+0x282/0x460 [ 233.352887] ? wait_for_completion_interruptible+0x500/0x500 [ 233.359612] ? trace_hardirqs_on+0x28/0x190 [ 233.364402] ? wake_up_q+0x100/0x100 [ 233.368271] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 233.374310] __io_uring_register+0xb8/0x1b20 [ 233.379573] ? __mutex_lock+0x51b/0x1210 [ 233.384282] ? lock_downgrade+0x7f0/0x7f0 [ 233.388688] ? __ia32_sys_io_uring_register+0x15a/0x1e0 [ 233.394616] ? __fget+0x2af/0x420 [ 233.398445] ? io_sq_wq_submit_work+0x660/0x660 [ 233.404254] ? ksys_dup3+0x2e0/0x2e0 [ 233.408197] __ia32_sys_io_uring_register+0x16f/0x1e0 [ 233.413814] do_fast_syscall_32+0x23b/0xa60 [ 233.418575] entry_SYSENTER_compat+0x70/0x7f [ 233.424049] RIP: 0023:0xf7fca849 [ 233.427523] Code: Bad RIP value. [ 233.431259] RSP: 002b:00000000f7f840cc EFLAGS: 00000296 ORIG_RAX: 00000000000001ab [ 233.440324] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000001 [ 233.450201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 233.461716] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 233.469171] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 233.478211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 233.487856] INFO: task syz-executor.2:7468 blocked for more than 140 seconds. [ 233.497025] Not tainted 5.0.0-rc6+ #1 [ 233.504770] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 233.514172] syz-executor.2 D30472 7468 7408 0x20020004 [ 233.520187] Call Trace: [ 233.523035] __schedule+0x904/0x1c20 [ 233.526912] ? pci_mmcfg_check_reserved+0x120/0x120 [ 233.532349] schedule+0x7f/0x180 [ 233.536030] schedule_preempt_disabled+0x13/0x20 [ 233.541683] __mutex_lock+0x806/0x1210 [ 233.546286] ? __ia32_sys_io_uring_enter+0x4b9/0x870 [ 233.552537] ? mutex_lock_io_nested+0x10e0/0x10e0 [ 233.557753] ? find_held_lock+0x36/0x1d0 [ 233.562595] ? lock_downgrade+0x7f0/0x7f0 [ 233.566778] mutex_lock_nested+0x16/0x20 [ 233.571070] ? mutex_lock_nested+0x16/0x20 [ 233.575314] __ia32_sys_io_uring_enter+0x4b9/0x870 [ 233.580585] ? __x64_sys_io_uring_enter+0x880/0x880 [ 233.585904] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 233.590845] ? do_fast_syscall_32+0xd1/0xa60 [ 233.595851] ? entry_SYSENTER_compat+0x70/0x7f [ 233.601194] ? lockdep_hardirqs_on+0x421/0x5c0 [ 233.606273] ? do_fast_syscall_32+0xd1/0xa60 [ 233.611200] ? trace_hardirqs_on+0x28/0x190 [ 233.616638] do_fast_syscall_32+0x23b/0xa60 [ 233.621079] entry_SYSENTER_compat+0x70/0x7f [ 233.626050] RIP: 0023:0xf7fca849 [ 233.629968] Code: Bad RIP value. [ 233.633342] RSP: 002b:00000000f7f630cc EFLAGS: 00000296 ORIG_RAX: 00000000000001aa [ 233.642189] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000010005 [ 233.649731] RDX: 0000000000000002 RSI: 0000000000000003 RDI: 0000000000000000 [ 233.657097] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 233.667038] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 233.674884] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 233.684405] INFO: task syz-executor.0:7438 blocked for more than 140 seconds. [ 233.693088] Not tainted 5.0.0-rc6+ #1 [ 233.698091] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 233.707749] syz-executor.0 D29576 7438 7417 0x20020004 [ 233.716102] Call Trace: [ 233.719391] __schedule+0x904/0x1c20 [ 233.723423] ? debug_object_active_state+0x226/0x3b0 [ 233.730204] ? pci_mmcfg_check_reserved+0x120/0x120 [ 233.735757] ? mark_held_locks+0x130/0x130 [ 233.740171] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 233.747063] schedule+0x7f/0x180 [ 233.754093] schedule_timeout+0x6d7/0xda0 [ 233.759082] ? find_held_lock+0x36/0x1d0 [ 233.764124] ? usleep_range+0x130/0x130 [ 233.768160] ? mark_held_locks+0xc7/0x130 [ 233.773045] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.777862] ? wait_for_completion+0x27a/0x460 [ 233.782643] ? lockdep_hardirqs_on+0x421/0x5c0 [ 233.787837] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.793079] ? trace_hardirqs_on+0x28/0x190 [ 233.797673] ? kasan_check_read+0x11/0x20 [ 233.802456] wait_for_completion+0x282/0x460 [ 233.807220] ? wait_for_completion_interruptible+0x500/0x500 [ 233.813561] ? trace_hardirqs_on+0x28/0x190 [ 233.818291] ? wake_up_q+0x100/0x100 [ 233.822713] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 233.828116] __io_uring_register+0xb8/0x1b20 [ 233.833534] ? __mutex_lock+0x51b/0x1210 [ 233.838498] ? lock_downgrade+0x7f0/0x7f0 [ 233.843902] ? __ia32_sys_io_uring_register+0x15a/0x1e0 [ 233.849732] ? __fget+0x2af/0x420 [ 233.853254] ? io_sq_wq_submit_work+0x660/0x660 [ 233.857944] ? ksys_dup3+0x2e0/0x2e0 [ 233.862472] __ia32_sys_io_uring_register+0x16f/0x1e0 [ 233.867979] do_fast_syscall_32+0x23b/0xa60 [ 233.872500] entry_SYSENTER_compat+0x70/0x7f [ 233.877543] RIP: 0023:0xf7f75849 [ 233.882524] Code: Bad RIP value. [ 233.887778] RSP: 002b:00000000f7f710cc EFLAGS: 00000296 ORIG_RAX: 00000000000001ab [ 233.896080] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000001 [ 233.904120] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 233.913087] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 233.920428] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 233.928592] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 233.938598] INFO: task syz-executor.0:7445 blocked for more than 140 seconds. [ 233.948602] Not tainted 5.0.0-rc6+ #1 [ 233.953365] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 233.962417] syz-executor.0 D29576 7445 7417 0x20020004 [ 233.968316] Call Trace: [ 233.971171] __schedule+0x904/0x1c20 [ 233.975439] ? pci_mmcfg_check_reserved+0x120/0x120 [ 233.981471] schedule+0x7f/0x180 [ 233.985031] schedule_preempt_disabled+0x13/0x20 [ 233.990684] __mutex_lock+0x806/0x1210 [ 233.994637] ? __ia32_sys_io_uring_enter+0x4b9/0x870 [ 234.000000] ? mutex_lock_io_nested+0x10e0/0x10e0 [ 234.005017] ? find_held_lock+0x36/0x1d0 [ 234.009319] ? lock_downgrade+0x7f0/0x7f0 [ 234.014044] mutex_lock_nested+0x16/0x20 [ 234.018129] ? mutex_lock_nested+0x16/0x20 [ 234.022891] __ia32_sys_io_uring_enter+0x4b9/0x870 [ 234.028375] ? __x64_sys_io_uring_enter+0x880/0x880 [ 234.034136] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 234.039139] ? do_fast_syscall_32+0xd1/0xa60 [ 234.043945] ? entry_SYSENTER_compat+0x70/0x7f [ 234.048674] ? lockdep_hardirqs_on+0x421/0x5c0 [ 234.053366] ? do_fast_syscall_32+0xd1/0xa60 [ 234.057889] ? trace_hardirqs_on+0x28/0x190 [ 234.062394] do_fast_syscall_32+0x23b/0xa60 [ 234.066738] entry_SYSENTER_compat+0x70/0x7f [ 234.071250] RIP: 0023:0xf7f75849 [ 234.074713] Code: Bad RIP value. [ 234.078063] RSP: 002b:00000000f7f500cc EFLAGS: 00000296 ORIG_RAX: 00000000000001aa [ 234.086053] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000010005 [ 234.093457] RDX: 0000000000000002 RSI: 0000000000000003 RDI: 0000000000000000 [ 234.101019] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 234.108711] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 234.116391] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 234.124186] INFO: task syz-executor.4:7443 blocked for more than 140 seconds. [ 234.131552] Not tainted 5.0.0-rc6+ #1 [ 234.136034] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 234.144337] syz-executor.4 D29576 7443 7415 0x20020004 [ 234.151062] Call Trace: [ 234.153691] __schedule+0x904/0x1c20 [ 234.157492] ? debug_object_active_state+0x226/0x3b0 [ 234.163649] ? pci_mmcfg_check_reserved+0x120/0x120 [ 234.169047] ? mark_held_locks+0x130/0x130 [ 234.173660] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 234.179101] schedule+0x7f/0x180 [ 234.184004] schedule_timeout+0x6d7/0xda0 [ 234.188364] ? find_held_lock+0x36/0x1d0 [ 234.192658] ? usleep_range+0x130/0x130 [ 234.197073] ? mark_held_locks+0xc7/0x130 [ 234.201315] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.205824] ? wait_for_completion+0x27a/0x460 [ 234.210535] ? lockdep_hardirqs_on+0x421/0x5c0 [ 234.215164] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.219744] ? trace_hardirqs_on+0x28/0x190 [ 234.224080] ? kasan_check_read+0x11/0x20 [ 234.228336] wait_for_completion+0x282/0x460 [ 234.233275] ? wait_for_completion_interruptible+0x500/0x500 [ 234.239877] ? trace_hardirqs_on+0x28/0x190 [ 234.244457] ? wake_up_q+0x100/0x100 [ 234.251871] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 234.257155] __io_uring_register+0xb8/0x1b20 [ 234.262151] ? __mutex_lock+0x51b/0x1210 [ 234.270481] ? lock_downgrade+0x7f0/0x7f0 [ 234.274943] ? __ia32_sys_io_uring_register+0x15a/0x1e0 [ 234.280670] ? __fget+0x2af/0x420 [ 234.284305] ? io_sq_wq_submit_work+0x660/0x660 [ 234.290325] ? ksys_dup3+0x2e0/0x2e0 [ 234.294221] __ia32_sys_io_uring_register+0x16f/0x1e0 [ 234.300453] do_fast_syscall_32+0x23b/0xa60 [ 234.305281] entry_SYSENTER_compat+0x70/0x7f [ 234.314287] RIP: 0023:0xf7f50849 [ 234.318327] Code: Bad RIP value. [ 234.322300] RSP: 002b:00000000f7f4c0cc EFLAGS: 00000296 ORIG_RAX: 00000000000001ab [ 234.332056] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000001 [ 234.340259] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 234.348196] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 234.356071] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 234.363664] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 234.371544] INFO: task syz-executor.4:7452 blocked for more than 140 seconds. [ 234.379287] Not tainted 5.0.0-rc6+ #1 [ 234.385090] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 234.396294] syz-executor.4 D30472 7452 7415 0x20020004 [ 234.403053] Call Trace: [ 234.405763] __schedule+0x904/0x1c20 [ 234.410138] ? pci_mmcfg_check_reserved+0x120/0x120 [ 234.415187] schedule+0x7f/0x180 [ 234.418628] schedule_preempt_disabled+0x13/0x20 [ 234.423494] __mutex_lock+0x806/0x1210 [ 234.427404] ? __ia32_sys_io_uring_enter+0x4b9/0x870 [ 234.433204] ? mutex_lock_io_nested+0x10e0/0x10e0 [ 234.438203] ? find_held_lock+0x36/0x1d0 [ 234.442431] ? lock_downgrade+0x7f0/0x7f0 [ 234.446693] mutex_lock_nested+0x16/0x20 [ 234.451227] ? mutex_lock_nested+0x16/0x20 [ 234.455545] __ia32_sys_io_uring_enter+0x4b9/0x870 [ 234.460556] ? __x64_sys_io_uring_enter+0x880/0x880 [ 234.465765] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 234.471099] ? do_fast_syscall_32+0xd1/0xa60 [ 234.475651] ? entry_SYSENTER_compat+0x70/0x7f [ 234.480953] ? lockdep_hardirqs_on+0x421/0x5c0 [ 234.486461] ? do_fast_syscall_32+0xd1/0xa60 [ 234.491408] ? trace_hardirqs_on+0x28/0x190 [ 234.496640] do_fast_syscall_32+0x23b/0xa60 [ 234.501200] entry_SYSENTER_compat+0x70/0x7f [ 234.505812] RIP: 0023:0xf7f50849 [ 234.509303] Code: Bad RIP value. [ 234.513989] RSP: 002b:00000000f7f2b0cc EFLAGS: 00000296 ORIG_RAX: 00000000000001aa [ 234.523802] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000010005 [ 234.532219] RDX: 0000000000000002 RSI: 0000000000000003 RDI: 0000000000000000 [ 234.540494] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 234.547966] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 234.556486] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 234.571450] INFO: task syz-executor.1:7450 blocked for more than 140 seconds. [ 234.579876] Not tainted 5.0.0-rc6+ #1 [ 234.585786] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 234.595662] syz-executor.1 D29360 7450 7413 0x20020004 [ 234.601457] Call Trace: [ 234.604417] __schedule+0x904/0x1c20 [ 234.611203] ? debug_object_active_state+0x226/0x3b0 [ 234.617032] ? pci_mmcfg_check_reserved+0x120/0x120 [ 234.623625] ? mark_held_locks+0x130/0x130 [ 234.628849] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 234.635305] schedule+0x7f/0x180 [ 234.638777] schedule_timeout+0x6d7/0xda0 [ 234.643845] ? find_held_lock+0x36/0x1d0 [ 234.648416] ? usleep_range+0x130/0x130 [ 234.655389] ? mark_held_locks+0xc7/0x130 [ 234.660804] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.665780] ? wait_for_completion+0x27a/0x460 [ 234.671116] ? lockdep_hardirqs_on+0x421/0x5c0 [ 234.676695] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.684662] ? trace_hardirqs_on+0x28/0x190 [ 234.689967] ? kasan_check_read+0x11/0x20 [ 234.694411] wait_for_completion+0x282/0x460 [ 234.698972] ? wait_for_completion_interruptible+0x500/0x500 [ 234.707665] ? trace_hardirqs_on+0x28/0x190 [ 234.714488] ? wake_up_q+0x100/0x100 [ 234.719173] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 234.725001] __io_uring_register+0xb8/0x1b20 [ 234.729696] ? __mutex_lock+0x51b/0x1210 [ 234.734396] ? lock_downgrade+0x7f0/0x7f0 [ 234.738842] ? __ia32_sys_io_uring_register+0x15a/0x1e0 [ 234.745537] ? __fget+0x2af/0x420 [ 234.749726] ? io_sq_wq_submit_work+0x660/0x660 [ 234.754395] ? ksys_dup3+0x2e0/0x2e0 [ 234.758104] __ia32_sys_io_uring_register+0x16f/0x1e0 [ 234.763694] do_fast_syscall_32+0x23b/0xa60 [ 234.768030] entry_SYSENTER_compat+0x70/0x7f [ 234.772992] RIP: 0023:0xf7f8e849 [ 234.776372] Code: Bad RIP value. [ 234.779816] RSP: 002b:00000000f7f8a0cc EFLAGS: 00000296 ORIG_RAX: 00000000000001ab [ 234.788422] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000001 [ 234.796274] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 234.804462] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 234.811995] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 234.819278] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 234.826655] INFO: task syz-executor.1:7453 blocked for more than 140 seconds. [ 234.834561] Not tainted 5.0.0-rc6+ #1 [ 234.838871] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 234.848007] syz-executor.1 D30472 7453 7413 0x20020004 [ 234.853715] Call Trace: [ 234.856424] __schedule+0x904/0x1c20 [ 234.860224] ? pci_mmcfg_check_reserved+0x120/0x120 [ 234.865408] schedule+0x7f/0x180 [ 234.869383] schedule_preempt_disabled+0x13/0x20 [ 234.874377] __mutex_lock+0x806/0x1210 [ 234.878361] ? __ia32_sys_io_uring_enter+0x4b9/0x870 [ 234.883875] ? mutex_lock_io_nested+0x10e0/0x10e0 [ 234.889792] ? find_held_lock+0x36/0x1d0 [ 234.893967] ? lock_downgrade+0x7f0/0x7f0 [ 234.898341] mutex_lock_nested+0x16/0x20 [ 234.903105] ? mutex_lock_nested+0x16/0x20 [ 234.907402] __ia32_sys_io_uring_enter+0x4b9/0x870 [ 234.912787] ? __x64_sys_io_uring_enter+0x880/0x880 [ 234.918045] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 234.922910] ? do_fast_syscall_32+0xd1/0xa60 [ 234.927950] ? entry_SYSENTER_compat+0x70/0x7f [ 234.933402] ? lockdep_hardirqs_on+0x421/0x5c0 [ 234.937986] ? do_fast_syscall_32+0xd1/0xa60 [ 234.942469] ? trace_hardirqs_on+0x28/0x190 [ 234.946831] do_fast_syscall_32+0x23b/0xa60 [ 234.951211] entry_SYSENTER_compat+0x70/0x7f [ 234.955616] RIP: 0023:0xf7f8e849 [ 234.958980] Code: Bad RIP value. [ 234.962387] RSP: 002b:00000000f7f690cc EFLAGS: 00000296 ORIG_RAX: 00000000000001aa [ 234.970261] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000010005 [ 234.977528] RDX: 0000000000000002 RSI: 0000000000000003 RDI: 0000000000000000 [ 234.984886] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 234.992187] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 234.999682] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 235.007351] [ 235.007351] Showing all locks held in the system: [ 235.013750] 1 lock held by khungtaskd/1040: [ 235.018092] #0: 000000009fa921ba (rcu_read_lock){....}, at: debug_show_all_locks+0x5b/0x27a [ 235.026838] 2 locks held by getty/7298: [ 235.031566] #0: 000000004a7145e4 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 235.039880] #1: 00000000fe42dfa7 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 235.048732] 2 locks held by getty/7299: [ 235.053214] #0: 00000000c6ed0fca (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 235.061551] #1: 000000008263c9f0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 235.070484] 2 locks held by getty/7300: [ 235.074630] #0: 000000001bd0d39b (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 235.083019] #1: 000000004447455e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 235.091995] 2 locks held by getty/7301: [ 235.095962] #0: 0000000020a24f14 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 235.104336] #1: 000000008995cb2a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 235.113238] 2 locks held by getty/7302: [ 235.117228] #0: 00000000a15e474e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 235.125605] #1: 00000000d1cdf31e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 235.135034] 2 locks held by getty/7303: [ 235.139005] #0: 000000002dd16c05 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 235.147324] #1: 00000000b4a62caf (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 235.156447] 2 locks held by getty/7304: [ 235.161064] #0: 000000006d1c008e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 235.169853] #1: 00000000c6faea38 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 235.178826] 1 lock held by syz-executor.2/7432: [ 235.183570] #0: 00000000ab2a4fa3 (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_register+0x15a/0x1e0 [ 235.193394] 1 lock held by syz-executor.2/7433: [ 235.198229] #0: 00000000ab2a4fa3 (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_enter+0x4b9/0x870 [ 235.207655] 1 lock held by syz-executor.2/7467: [ 235.212454] #0: 000000002648d90a (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_register+0x15a/0x1e0 [ 235.222689] 1 lock held by syz-executor.2/7468: [ 235.227383] #0: 000000002648d90a (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_enter+0x4b9/0x870 [ 235.237833] 1 lock held by syz-executor.0/7438: [ 235.242582] #0: 000000008ff7343f (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_register+0x15a/0x1e0 [ 235.259788] 1 lock held by syz-executor.0/7445: [ 235.264643] #0: 000000008ff7343f (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_enter+0x4b9/0x870 [ 235.274628] 1 lock held by syz-executor.4/7443: [ 235.279719] #0: 0000000098fbfbdb (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_register+0x15a/0x1e0 [ 235.290351] 1 lock held by syz-executor.4/7452: [ 235.295131] #0: 0000000098fbfbdb (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_enter+0x4b9/0x870 [ 235.304880] 1 lock held by syz-executor.1/7450: [ 235.310237] #0: 00000000a56c8de9 (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_register+0x15a/0x1e0 [ 235.320300] 1 lock held by syz-executor.1/7453: [ 235.325425] #0: 00000000a56c8de9 (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_enter+0x4b9/0x870 [ 235.336534] 1 lock held by syz-executor.3/7460: [ 235.341274] #0: 0000000004b89e33 (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_register+0x15a/0x1e0 [ 235.351766] 1 lock held by syz-executor.3/7462: [ 235.356549] #0: 0000000004b89e33 (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_enter+0x4b9/0x870 [ 235.366870] 1 lock held by syz-executor.5/7465: [ 235.371659] #0: 00000000dc75d550 (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_register+0x15a/0x1e0 [ 235.381923] 1 lock held by syz-executor.5/7466: [ 235.386835] #0: 00000000dc75d550 (&ctx->uring_lock){+.+.}, at: __ia32_sys_io_uring_enter+0x4b9/0x870 [ 235.397145] [ 235.398799] ============================================= [ 235.398799] [ 235.408394] NMI backtrace for cpu 0 [ 235.412084] CPU: 0 PID: 1040 Comm: khungtaskd Not tainted 5.0.0-rc6+ #1 [ 235.418839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.428298] Call Trace: [ 235.430910] dump_stack+0x113/0x167 [ 235.435670] nmi_cpu_backtrace.cold.4+0x3e/0x76 [ 235.440353] ? lapic_can_unplug_cpu.cold.28+0x43/0x43 [ 235.445858] nmi_trigger_cpumask_backtrace+0x121/0x15b [ 235.451581] arch_trigger_cpumask_backtrace+0x14/0x20 [ 235.456863] watchdog+0x5c3/0xb40 [ 235.460399] kthread+0x327/0x3f0 [ 235.464305] ? hungtask_pm_notify+0x40/0x40 [ 235.468707] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 235.474446] ret_from_fork+0x3a/0x50 [ 235.478770] Sending NMI from CPU 0 to CPUs 1: [ 235.483515] NMI backtrace for cpu 1 [ 235.483518] CPU: 1 PID: 31 Comm: kworker/u4:2 Not tainted 5.0.0-rc6+ #1 [ 235.483519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.483521] Workqueue: bat_events batadv_nc_worker [ 235.483524] RIP: 0010:lockdep_hardirqs_off+0xe/0x2c0 [ 235.483527] Code: 45 00 e9 c1 fe ff ff e8 20 5c 45 00 e9 37 fe ff ff 90 66 2e 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 <41> 55 49 89 fd 48 c7 c7 38 49 d2 88 48 89 fa 41 54 48 c1 ea 03 53 [ 235.483528] RSP: 0018:ffff8880a9adfc00 EFLAGS: 00000046 [ 235.483531] RAX: dffffc0000000000 RBX: ffffffff813e7990 RCX: 0000000000000001 [ 235.483532] RDX: 1ffffffff1024587 RSI: 0000000000000201 RDI: ffffffff813e7990 [ 235.483534] RBP: ffff8880a9adfc00 R08: ffffed101138ec9c R09: ffffed101138ec9b [ 235.483535] R10: ffffed101138ec9b R11: ffff888089c764db R12: ffffffff86715368 [ 235.483537] R13: ffff8880a9ad20c0 R14: ffffffff868bc6c0 R15: ffff8880a7dde280 [ 235.483538] FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 235.483540] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 235.483541] CR2: 0000000000d58000 CR3: 00000000a8231000 CR4: 00000000001406e0 [ 235.483543] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 235.483544] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 235.483545] Call Trace: [ 235.483547] trace_hardirqs_off+0x41/0x190 [ 235.483548] ? batadv_nc_purge_paths+0x1d8/0x300 [ 235.483549] __local_bh_enable_ip+0x120/0x260 [ 235.483551] ? batadv_nc_to_purge_nc_path_decoding+0x130/0x130 [ 235.483552] _raw_spin_unlock_bh+0x30/0x40 [ 235.483553] batadv_nc_purge_paths+0x1d8/0x300 [ 235.483555] batadv_nc_worker+0x1f3/0x630 [ 235.483556] process_one_work+0x835/0x16b0 [ 235.483557] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [ 235.483559] ? lock_acquire+0x173/0x3d0 [ 235.483560] worker_thread+0x85/0xb60 [ 235.483561] ? __kthread_parkme+0x47/0x190 [ 235.483562] kthread+0x327/0x3f0 [ 235.483564] ? process_one_work+0x16b0/0x16b0 [ 235.483565] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 235.483566] ret_from_fork+0x3a/0x50 [ 235.485018] Kernel panic - not syncing: hung_task: blocked tasks [ 235.695730] CPU: 0 PID: 1040 Comm: khungtaskd Not tainted 5.0.0-rc6+ #1 [ 235.702638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.712563] Call Trace: [ 235.715816] dump_stack+0x113/0x167 [ 235.719440] panic+0x212/0x41d [ 235.722884] ? __warn_printk+0xd6/0xd6 [ 235.727023] watchdog+0x5d4/0xb40 [ 235.730777] kthread+0x327/0x3f0 [ 235.734147] ? hungtask_pm_notify+0x40/0x40 [ 235.739084] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 235.746827] ret_from_fork+0x3a/0x50 [ 235.751945] Kernel Offset: disabled [ 235.755602] Rebooting in 86400 seconds..