[ 37.339670] random: sshd: uninitialized urandom read (32 bytes read) [ 37.835878] random: sshd: uninitialized urandom read (32 bytes read) [ 49.256308] random: sshd: uninitialized urandom read (32 bytes read) [ 50.652817] random: cc1: uninitialized urandom read (8 bytes read) [ 51.657698] IPVS: ftp: loaded support on port[0] = 21 [ 78.864412] can: request_module (can-proto-0) failed. [ 78.874258] can: request_module (can-proto-0) failed. [ 81.283055] random: sshd: uninitialized urandom read (32 bytes read) [ 81.732250] random: sshd: uninitialized urandom read (32 bytes read) [ 81.912711] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.232' (ECDSA) to the list of known hosts. 2019/03/28 01:16:19 parsed 1 programs 2019/03/28 01:16:19 executed programs: 0 [ 89.141713] IPVS: ftp: loaded support on port[0] = 21 [ 89.148488] IPVS: ftp: loaded support on port[0] = 21 [ 89.163330] IPVS: ftp: loaded support on port[0] = 21 [ 89.167158] IPVS: ftp: loaded support on port[0] = 21 [ 89.182900] IPVS: ftp: loaded support on port[0] = 21 [ 89.188768] IPVS: ftp: loaded support on port[0] = 21 [ 90.218764] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.229439] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.237633] device bridge_slave_0 entered promiscuous mode [ 90.254628] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.262680] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.270710] device bridge_slave_0 entered promiscuous mode [ 90.295620] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.307837] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.316153] device bridge_slave_0 entered promiscuous mode [ 90.323176] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.329536] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.337432] device bridge_slave_0 entered promiscuous mode [ 90.352263] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.358647] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.366639] device bridge_slave_1 entered promiscuous mode [ 90.374233] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.382291] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.391139] device bridge_slave_1 entered promiscuous mode [ 90.399469] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.409025] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.416507] device bridge_slave_0 entered promiscuous mode [ 90.425206] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.431692] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.438915] device bridge_slave_1 entered promiscuous mode [ 90.447443] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.456702] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.464225] device bridge_slave_1 entered promiscuous mode [ 90.472145] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 90.479405] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.486538] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.498678] device bridge_slave_0 entered promiscuous mode [ 90.507529] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 90.520099] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 90.527563] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 90.538129] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 90.546999] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.555423] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.572676] device bridge_slave_1 entered promiscuous mode [ 90.581025] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 90.588353] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.595253] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.603305] device bridge_slave_1 entered promiscuous mode [ 90.621656] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 90.646925] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 90.663157] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 90.690576] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 90.750425] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 90.759170] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 90.783377] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 90.797953] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 90.808790] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 90.843421] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 90.862365] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 90.879263] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 90.903464] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 90.924099] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 90.965791] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 90.973310] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 90.989239] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 91.003926] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 91.012103] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 91.020803] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 91.031401] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 91.039649] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 91.057697] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 91.069506] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 91.095553] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 91.119501] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 91.136821] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 91.158029] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 91.169616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 91.185274] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 91.193253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 91.206189] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 91.223449] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 91.235306] team0: Port device team_slave_0 added [ 91.255094] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 91.269368] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 91.294346] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 91.306491] team0: Port device team_slave_0 added [ 91.319092] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 91.331738] team0: Port device team_slave_1 added [ 91.339134] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 91.351539] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 91.364011] team0: Port device team_slave_1 added [ 91.372835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 91.381381] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 91.388718] team0: Port device team_slave_0 added [ 91.415776] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 91.436372] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 91.450879] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 91.462347] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 91.469617] team0: Port device team_slave_0 added [ 91.493820] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 91.503547] team0: Port device team_slave_1 added [ 91.511834] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 91.519566] team0: Port device team_slave_0 added [ 91.531197] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 91.538923] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 91.547669] team0: Port device team_slave_1 added [ 91.564754] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 91.578970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 91.593151] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 91.605392] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 91.620298] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 91.627925] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 91.636020] team0: Port device team_slave_1 added [ 91.644439] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 91.659037] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 91.669039] team0: Port device team_slave_0 added [ 91.688536] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 91.696522] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 91.704567] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 91.712256] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 91.719911] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 91.741555] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 91.751445] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 91.764813] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 91.779859] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 91.791716] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 91.799138] team0: Port device team_slave_1 added [ 91.812520] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 91.821049] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 91.831112] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 91.846113] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 91.857465] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 91.872719] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 91.889748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 91.904239] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 91.912838] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 91.924060] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 91.933338] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 91.944544] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 91.954888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 91.963355] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 91.971884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 91.979997] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 91.988336] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 92.003655] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 92.016683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 92.026775] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 92.047062] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 92.055497] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 92.063223] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 92.071187] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 92.090776] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 92.098667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 92.109867] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 92.146122] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 92.164580] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 92.173550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 92.196247] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 92.211059] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 92.227404] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 92.488237] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.494783] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.501802] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.508175] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.524531] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 92.537734] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.544273] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.551050] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.557426] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.583421] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 92.603103] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.609498] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.616212] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.622646] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.632606] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 92.746528] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.753770] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.760513] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.766920] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.776539] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 92.811818] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.818213] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.824952] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.831376] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.846686] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 92.952019] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.958419] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.965157] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.971596] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.988026] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 92.999121] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 93.007459] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 93.020878] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 93.028569] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 93.037658] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 93.045462] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 94.757308] 8021q: adding VLAN 0 to HW filter on device bond0 [ 94.831759] 8021q: adding VLAN 0 to HW filter on device bond0 [ 94.944671] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 94.953883] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.021185] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.027952] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 95.052481] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.115582] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 95.136137] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.167421] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 95.179039] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 95.190989] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 95.251494] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 95.261164] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 95.272807] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 95.282993] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 95.297979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 95.361264] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.382239] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 95.388467] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 95.395964] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 95.430921] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 95.467820] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 95.478625] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 95.487417] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 95.497553] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 95.505639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 95.513773] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 95.528715] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.606277] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.699016] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 95.705383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 95.718933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 95.731541] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.752187] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.864576] 8021q: adding VLAN 0 to HW filter on device team0 2019/03/28 01:16:27 executed programs: 6 2019/03/28 01:16:32 executed programs: 27 2019/03/28 01:17:29 executed programs: 28 2019/03/28 01:17:29 result: failed=false hanged=false err=executor 2: failed to write control pipe: write |1: broken pipe [ 159.150605] device bridge_slave_1 left promiscuous mode [ 159.156649] bridge0: port 2(bridge_slave_1) entered disabled state [ 159.204015] device bridge_slave_0 left promiscuous mode [ 159.209514] bridge0: port 1(bridge_slave_0) entered disabled state [ 159.276907] team0 (unregistering): Port device team_slave_1 removed [ 159.286821] team0 (unregistering): Port device team_slave_0 removed [ 159.297912] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 159.373985] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 159.447422] bond0 (unregistering): Released all slaves [ 284.640403] INFO: task syz-executor2:6879 blocked for more than 140 seconds. [ 284.647763] Not tainted 4.18.0-rc1+ #1 [ 284.652425] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.660487] syz-executor2 D22728 6879 5243 0x80000002 [ 284.666141] Call Trace: [ 284.668829] __schedule+0x836/0x1f40 [ 284.672711] ? print_usage_bug+0xc0/0xc0 [ 284.676779] ? pci_mmcfg_check_reserved+0x120/0x120 [ 284.681931] ? graph_lock+0x170/0x170 [ 284.685777] ? graph_lock+0x170/0x170 [ 284.689570] ? __lock_acquire+0x7ec/0x4ec0 [ 284.694026] ? graph_lock+0x170/0x170 [ 284.697828] ? find_held_lock+0x36/0x1c0 [ 284.701972] schedule+0xfe/0x460 [ 284.705442] ? __mutex_lock+0xe5d/0x1890 [ 284.709501] ? __schedule+0x1f40/0x1f40 [ 284.713725] ? kasan_check_read+0x11/0x20 [ 284.717924] ? do_raw_spin_unlock+0xa7/0x2f0 [ 284.722543] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 284.727184] ? debug_mutex_free_waiter+0x1c0/0x1c0 [ 284.732178] ? mutex_destroy+0x200/0x200 [ 284.736452] ? do_raw_spin_lock+0xc1/0x200 [ 284.740776] schedule_preempt_disabled+0x13/0x20 [ 284.745662] __mutex_lock+0xe62/0x1890 [ 284.749595] ? evdev_release+0xdd/0x1a0 [ 284.753643] ? mutex_trylock+0x2b0/0x2b0 [ 284.757766] ? __save_stack_trace+0x8d/0xf0 [ 284.762165] ? save_stack+0xa9/0xd0 [ 284.765800] ? save_stack+0x43/0xd0 [ 284.769599] ? __kasan_slab_free+0x102/0x150 [ 284.774252] ? kasan_slab_free+0xe/0x10 [ 284.778343] ? kfree+0xcf/0x270 [ 284.781786] ? kvfree+0x2c/0x30 [ 284.785089] ? evdev_release+0xd2/0x1a0 [ 284.789101] ? __fput+0x2ec/0x990 [ 284.792645] ? ____fput+0x9/0x10 [ 284.796190] ? do_exit+0x1767/0x23b0 [ 284.799934] ? do_group_exit+0x13d/0x3c0 [ 284.804094] ? get_signal+0x6c9/0x14b0 [ 284.808224] ? do_signal+0x9c/0x21e0 [ 284.812164] ? exit_to_usermode_loop+0x1ce/0x300 [ 284.816932] ? do_syscall_64+0x587/0x700 [ 284.821249] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 284.826804] ? kasan_check_read+0x11/0x20 [ 284.831028] ? do_raw_spin_unlock+0xa7/0x2f0 [ 284.835544] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 284.840449] ? kasan_check_write+0x14/0x20 [ 284.844748] ? do_raw_spin_lock+0xc1/0x200 [ 284.849023] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 284.854408] ? debug_check_no_obj_freed+0x305/0x58d [ 284.859439] ? trace_hardirqs_off+0xd/0x10 [ 284.863788] ? quarantine_put+0x11b/0x1c0 [ 284.868145] ? kfree+0x107/0x270 [ 284.871586] ? kvfree+0x2c/0x30 [ 284.874936] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 284.880380] mutex_lock_nested+0x16/0x20 [ 284.884639] ? mutex_lock_nested+0x16/0x20 [ 284.888866] evdev_release+0xdd/0x1a0 [ 284.892859] __fput+0x2ec/0x990 [ 284.896162] ? file_free_rcu+0x90/0x90 [ 284.900123] ? kasan_check_read+0x11/0x20 [ 284.904386] ? do_raw_spin_unlock+0xa7/0x2f0 [ 284.909134] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 284.913793] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.918377] ____fput+0x9/0x10 [ 284.921687] task_work_run+0x19f/0x240 [ 284.925581] ? task_work_cancel+0x2a0/0x2a0 [ 284.929892] ? kasan_check_write+0x14/0x20 [ 284.934215] ? switch_task_namespaces+0x79/0xb0 [ 284.938888] do_exit+0x1767/0x23b0 [ 284.942498] ? find_held_lock+0x36/0x1c0 [ 284.946562] ? mm_update_next_owner+0xbd0/0xbd0 [ 284.951289] ? print_usage_bug+0xc0/0xc0 [ 284.955446] ? __lock_acquire+0x7ec/0x4ec0 [ 284.959669] ? kasan_check_read+0x11/0x20 [ 284.963907] ? graph_lock+0x170/0x170 [ 284.967709] ? __lock_acquire+0x7ec/0x4ec0 [ 284.972172] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 284.977393] ? find_held_lock+0x36/0x1c0 [ 284.981542] ? debug_check_no_locks_freed+0x310/0x310 [ 284.986744] ? lock_downgrade+0x900/0x900 [ 284.991051] ? rcu_read_unlock_special.part.63+0xf50/0xf50 [ 284.996678] ? kasan_check_read+0x11/0x20 [ 285.001010] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.006319] ? rcu_bh_qs+0xc0/0xc0 [ 285.009884] ? rcu_read_unlock_special.part.63+0xf50/0xf50 [ 285.015676] ? kasan_check_read+0x11/0x20 [ 285.019829] ? graph_lock+0x170/0x170 [ 285.023748] ? mntput_no_expire+0x13a/0x9a0 [ 285.028080] ? mnt_get_count+0x150/0x150 [ 285.032320] ? dput.part.26+0x1a2/0x570 [ 285.036413] ? graph_lock+0x170/0x170 [ 285.040394] ? find_held_lock+0x36/0x1c0 [ 285.044476] ? memset+0x31/0x40 [ 285.047749] ? find_held_lock+0x36/0x1c0 [ 285.051889] ? get_signal+0x72f/0x14b0 [ 285.055820] ? lock_downgrade+0x900/0x900 [ 285.059970] do_group_exit+0x13d/0x3c0 [ 285.063953] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 285.068540] ? __ia32_sys_exit+0x50/0x50 [ 285.072722] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.077222] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 285.082342] get_signal+0x6c9/0x14b0 [ 285.086173] ? ptrace_notify+0x110/0x110 [ 285.090379] ? __mutex_unlock_slowpath+0x43c/0x8c0 [ 285.095316] ? wait_for_completion+0x8a0/0x8a0 [ 285.099886] ? rcu_read_unlock_special.part.63+0xf50/0xf50 [ 285.105731] ? smack_log+0x6e0/0x6e0 [ 285.109501] ? smk_access_entry+0x4a0/0x4a0 [ 285.113960] do_signal+0x9c/0x21e0 [ 285.117506] ? mutex_unlock+0xd/0x10 [ 285.121390] ? evdev_ioctl_handler+0x10b/0x140 [ 285.126144] ? setup_sigcontext+0x7d0/0x7d0 [ 285.130535] ? evdev_ioctl+0xb/0xd [ 285.134139] ? do_vfs_ioctl+0x195/0x1650 [ 285.138188] ? ioctl_preallocate+0x2d0/0x2d0 [ 285.142675] ? exit_to_usermode_loop+0x8f/0x300 [ 285.147356] exit_to_usermode_loop+0x1ce/0x300 [ 285.152111] ? syscall_slow_exit_work+0x420/0x420 [ 285.156965] ? ksys_ioctl+0x72/0x90 [ 285.160813] do_syscall_64+0x587/0x700 [ 285.164959] ? finish_task_switch+0x1f4/0x8e0 [ 285.169458] ? syscall_return_slowpath+0x4e0/0x4e0 [ 285.174632] ? syscall_return_slowpath+0x215/0x4e0 [ 285.179575] ? prepare_exit_to_usermode+0x300/0x300 [ 285.184665] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 285.190078] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.194921] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 285.200186] RIP: 0033:0x457669 [ 285.203380] Code: 0f 7f 28 f3 0f 7f 70 10 f3 0f 7f 78 20 f3 44 0f 7f 40 30 f3 44 0f 7f 48 40 f3 44 0f 7f 50 50 f3 44 0f 7f 58 60 f3 44 0f 7f 60 <70> c3 cc cc cc cc cc 48 8d 74 24 08 48 8b 3c 24 48 8d 05 10 00 00 [ 285.223228] RSP: 002b:00007f46ee6f8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 285.231131] RAX: ffffffffffffffea RBX: 0000000000000003 RCX: 0000000000457669 [ 285.238487] RDX: 0000000020013000 RSI: 000000008040450a RDI: 0000000000000004 [ 285.245849] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 [ 285.253238] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f46ee6f96d4 [ 285.260622] R13: 00000000004bf430 R14: 00000000004cf230 R15: 00000000ffffffff [ 285.267935] INFO: task syz-executor4:6886 blocked for more than 140 seconds. [ 285.275228] Not tainted 4.18.0-rc1+ #1 [ 285.279636] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 285.287803] syz-executor4 D22472 6886 5245 0x00000004 [ 285.293777] Call Trace: [ 285.296376] __schedule+0x836/0x1f40 [ 285.300199] ? pci_mmcfg_check_reserved+0x120/0x120 [ 285.305229] ? graph_lock+0x170/0x170 [ 285.309132] ? graph_lock+0x170/0x170 [ 285.313141] ? __lock_acquire+0x7ec/0x4ec0 [ 285.317380] ? graph_lock+0x170/0x170 [ 285.321477] ? find_held_lock+0x36/0x1c0 [ 285.325895] schedule+0xfe/0x460 [ 285.329314] ? __mutex_lock+0xe5d/0x1890 [ 285.333486] ? __schedule+0x1f40/0x1f40 [ 285.338532] ? kasan_check_read+0x11/0x20 [ 285.342778] ? do_raw_spin_unlock+0xa7/0x2f0 [ 285.347456] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 285.352152] ? debug_mutex_free_waiter+0x1c0/0x1c0 [ 285.357119] ? mutex_destroy+0x200/0x200 [ 285.361644] ? do_raw_spin_lock+0xc1/0x200 [ 285.366053] schedule_preempt_disabled+0x13/0x20 [ 285.371304] __mutex_lock+0xe62/0x1890 [ 285.375327] ? evdev_release+0xdd/0x1a0 [ 285.379992] ? mutex_trylock+0x2b0/0x2b0 [ 285.384751] ? __save_stack_trace+0x8d/0xf0 [ 285.389093] ? save_stack+0xa9/0xd0 [ 285.392818] ? save_stack+0x43/0xd0 [ 285.396457] ? __kasan_slab_free+0x102/0x150 [ 285.401294] ? kasan_slab_free+0xe/0x10 [ 285.405330] ? kfree+0xcf/0x270 [ 285.408791] ? kvfree+0x2c/0x30 [ 285.412253] ? evdev_release+0xd2/0x1a0 [ 285.416497] ? __fput+0x2ec/0x990 [ 285.419934] ? ____fput+0x9/0x10 [ 285.423411] ? exit_to_usermode_loop+0x267/0x300 [ 285.428178] ? do_syscall_64+0x587/0x700 [ 285.432443] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 285.438252] ? kasan_check_read+0x11/0x20 [ 285.442699] ? do_raw_spin_unlock+0xa7/0x2f0 [ 285.448162] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 285.452990] ? kasan_check_write+0x14/0x20 [ 285.457386] ? do_raw_spin_lock+0xc1/0x200 [ 285.462007] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 285.467604] ? debug_check_no_obj_freed+0x305/0x58d [ 285.472828] ? trace_hardirqs_off+0xd/0x10 [ 285.477093] ? quarantine_put+0x11b/0x1c0 [ 285.481624] ? kfree+0x107/0x270 [ 285.485066] ? kvfree+0x2c/0x30 [ 285.488354] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 285.493491] mutex_lock_nested+0x16/0x20 [ 285.497667] ? mutex_lock_nested+0x16/0x20 [ 285.502000] evdev_release+0xdd/0x1a0 [ 285.505812] __fput+0x2ec/0x990 [ 285.509095] ? file_free_rcu+0x90/0x90 [ 285.513344] ? kasan_check_read+0x11/0x20 [ 285.517548] ? do_raw_spin_unlock+0xa7/0x2f0 [ 285.522145] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 285.527215] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.531988] ____fput+0x9/0x10 [ 285.535288] task_work_run+0x19f/0x240 [ 285.539267] ? task_work_cancel+0x2a0/0x2a0 [ 285.543832] ? __close_fd+0x1fc/0x340 [ 285.547648] ? exit_to_usermode_loop+0x8f/0x300 [ 285.552432] exit_to_usermode_loop+0x267/0x300 [ 285.557133] ? syscall_slow_exit_work+0x420/0x420 [ 285.562203] do_syscall_64+0x587/0x700 [ 285.566204] ? syscall_return_slowpath+0x4e0/0x4e0 [ 285.571329] ? syscall_return_slowpath+0x215/0x4e0 [ 285.576268] ? prepare_exit_to_usermode+0x300/0x300 [ 285.581396] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 285.586765] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.591821] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 285.597092] RIP: 0033:0x410ff1 [ 285.600369] Code: 30 48 89 4c 24 10 e8 8e 09 00 00 48 8b 44 24 28 48 89 04 24 48 8b 44 24 30 48 89 44 24 08 e8 36 5d 04 00 48 8b 6c 24 18 48 83 20 c3 cc cc cc cc cc cc cc cc cc cc cc cc 64 48 8b 0c 25 f8 ff [ 285.619743] RSP: 002b:00007ffe2eae1f00 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 285.627533] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000410ff1 [ 285.635101] RDX: 0000000000000000 RSI: 0000000000730488 RDI: 0000000000000004 [ 285.642745] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 285.650104] R10: 00007ffe2eae1e30 R11: 0000000000000293 R12: 0000000000000000 [ 285.657627] R13: 0000000000000001 R14: 0000000000000002 R15: 0000000000000004 [ 285.665014] [ 285.665014] Showing all locks held in the system: [ 285.671432] 1 lock held by khungtaskd/983: [ 285.675768] #0: (____ptrval____) (rcu_read_lock){....}, at: debug_show_all_locks+0xd0/0x424 [ 285.684479] 2 locks held by rsyslogd/5000: [ 285.688725] #0: (____ptrval____) (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x170/0x1d0 [ 285.697195] #1: (____ptrval____) (&rq->lock){-.-.}, at: finish_wait+0x119/0x430 [ 285.704983] 2 locks held by getty/5090: [ 285.708964] #0: (____ptrval____) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 285.717313] #1: (____ptrval____) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x2fd/0x1b60 [ 285.726368] 2 locks held by getty/5091: [ 285.730552] #0: (____ptrval____) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 285.738807] #1: (____ptrval____) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x2fd/0x1b60 [ 285.747829] 2 locks held by getty/5092: [ 285.751830] #0: (____ptrval____) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 285.760246] #1: (____ptrval____) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x2fd/0x1b60 [ 285.769244] 2 locks held by getty/5093: [ 285.773438] #0: (____ptrval____) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 285.781748] #1: (____ptrval____) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x2fd/0x1b60 [ 285.790686] 2 locks held by getty/5094: [ 285.794655] #0: (____ptrval____) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 285.803082] #1: (____ptrval____) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x2fd/0x1b60 [ 285.812000] 2 locks held by getty/5095: [ 285.815964] #0: (____ptrval____) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 285.824294] #1: (____ptrval____) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x2fd/0x1b60 [ 285.833212] 2 locks held by getty/5096: [ 285.837173] #0: (____ptrval____) (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 285.853422] #1: (____ptrval____) (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x2fd/0x1b60 [ 285.862356] 1 lock held by syz-executor2/6879: [ 285.866922] #0: (____ptrval____) (&evdev->mutex){+.+.}, at: evdev_release+0xdd/0x1a0 [ 285.875027] 1 lock held by syz-executor4/6886: [ 285.879605] #0: (____ptrval____) (&evdev->mutex){+.+.}, at: evdev_release+0xdd/0x1a0 [ 285.887707] 1 lock held by syz-executor0/6916: [ 285.892322] #0: (____ptrval____) (&evdev->mutex){+.+.}, at: evdev_ioctl_handler+0x7b/0x140 [ 285.900906] 1 lock held by syz-executor0/6934: [ 285.905488] #0: (____ptrval____) (&evdev->mutex){+.+.}, at: evdev_ioctl_handler+0x7b/0x140 [ 285.914085] [ 285.915719] ============================================= [ 285.915719] [ 285.922998] NMI backtrace for cpu 0 [ 285.926669] CPU: 0 PID: 983 Comm: khungtaskd Not tainted 4.18.0-rc1+ #1 [ 285.933411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.942756] Call Trace: [ 285.945388] dump_stack+0x16e/0x22a [ 285.949128] ? dump_stack_print_info.cold.2+0x48/0x48 [ 285.954461] ? __rcu_read_unlock+0x2e5/0x2f0 [ 285.958911] ? irq_force_complete_move.cold.26+0x2a/0x4a [ 285.964358] nmi_cpu_backtrace.cold.5+0x13/0xb1 [ 285.969012] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 285.974199] nmi_trigger_cpumask_backtrace+0xf5/0x119 [ 285.979382] arch_trigger_cpumask_backtrace+0x14/0x20 [ 285.984662] watchdog+0x6e5/0xbe0 [ 285.988121] ? reset_hung_task_detector+0xd0/0xd0 [ 285.992957] ? __schedule+0x1f40/0x1f40 [ 285.996922] ? preempt_schedule_common+0x1f/0xd0 [ 286.001664] ? preempt_schedule+0x4d/0x60 [ 286.005799] ? ___preempt_schedule+0x16/0x18 [ 286.010247] ? parse_args.cold.15+0x192/0x192 [ 286.014744] ? _raw_spin_unlock_irqrestore+0xbb/0xd0 [ 286.019832] kthread+0x319/0x3e0 [ 286.023177] ? reset_hung_task_detector+0xd0/0xd0 [ 286.028016] ? kthread_bind+0x30/0x30 [ 286.031807] ret_from_fork+0x3a/0x50 [ 286.035790] Sending NMI from CPU 0 to CPUs 1: [ 286.040417] NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0x6/0x10 [ 286.041386] Kernel panic - not syncing: hung_task: blocked tasks [ 286.054120] CPU: 0 PID: 983 Comm: khungtaskd Not tainted 4.18.0-rc1+ #1 [ 286.060951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.070292] Call Trace: [ 286.072870] dump_stack+0x16e/0x22a [ 286.076492] ? dump_stack_print_info.cold.2+0x48/0x48 [ 286.081675] panic+0x1c6/0x37d [ 286.085109] ? add_taint.cold.5+0x11/0x11 [ 286.089371] watchdog+0x6f6/0xbe0 [ 286.092964] ? reset_hung_task_detector+0xd0/0xd0 [ 286.097799] ? __schedule+0x1f40/0x1f40 [ 286.101799] ? preempt_schedule_common+0x1f/0xd0 [ 286.106546] ? preempt_schedule+0x4d/0x60 [ 286.110680] ? ___preempt_schedule+0x16/0x18 [ 286.115080] ? parse_args.cold.15+0x192/0x192 [ 286.119664] ? _raw_spin_unlock_irqrestore+0xbb/0xd0 [ 286.124835] kthread+0x319/0x3e0 [ 286.128227] ? reset_hung_task_detector+0xd0/0xd0 [ 286.133079] ? kthread_bind+0x30/0x30 [ 286.136991] ret_from_fork+0x3a/0x50 [ 286.141732] Kernel Offset: disabled [ 286.145357] Rebooting in 86400 seconds..