[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 28.804912] kauditd_printk_skb: 8 callbacks suppressed [ 28.804924] audit: type=1800 audit(1543859035.242:29): pid=5898 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 28.830473] audit: type=1800 audit(1543859035.252:30): pid=5898 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.220' (ECDSA) to the list of known hosts. 2018/12/03 17:45:08 parsed 1 programs 2018/12/03 17:45:10 executed programs: 0 syzkaller login: [ 104.357208] IPVS: ftp: loaded support on port[0] = 21 [ 104.361547] IPVS: ftp: loaded support on port[0] = 21 [ 104.376519] IPVS: ftp: loaded support on port[0] = 21 [ 104.421255] IPVS: ftp: loaded support on port[0] = 21 [ 104.433102] IPVS: ftp: loaded support on port[0] = 21 [ 104.445755] IPVS: ftp: loaded support on port[0] = 21 [ 105.745392] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.759246] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.766925] device bridge_slave_0 entered promiscuous mode [ 105.795632] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.804150] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.813569] device bridge_slave_0 entered promiscuous mode [ 105.824239] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.835043] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.843094] device bridge_slave_0 entered promiscuous mode [ 105.853013] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.860148] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.867679] device bridge_slave_1 entered promiscuous mode [ 105.875814] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.883847] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.892364] device bridge_slave_0 entered promiscuous mode [ 105.909329] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.915708] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.925363] device bridge_slave_1 entered promiscuous mode [ 105.933616] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.940495] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.947961] device bridge_slave_0 entered promiscuous mode [ 105.957956] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 105.970788] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.977167] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.985657] device bridge_slave_1 entered promiscuous mode [ 106.001889] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.008262] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.018373] device bridge_slave_1 entered promiscuous mode [ 106.029431] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.035856] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.044853] device bridge_slave_1 entered promiscuous mode [ 106.053952] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 106.064976] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 106.077439] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 106.088158] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.106712] bridge0: port 1(bridge_slave_0) entered disabled state [ 106.114645] device bridge_slave_0 entered promiscuous mode [ 106.123976] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 106.135240] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 106.147034] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 106.167013] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 106.202027] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.208417] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.220268] device bridge_slave_1 entered promiscuous mode [ 106.251403] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 106.265218] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 106.283109] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 106.324558] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 106.380861] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 106.390934] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 106.401373] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 106.429527] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 106.477273] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 106.497985] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 106.510634] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 106.518067] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 106.532713] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 106.573053] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 106.586847] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 106.601473] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 106.613887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 106.628867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 106.645435] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 106.657414] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 106.670870] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 106.680416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 106.694261] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 106.711551] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 106.720678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 106.825134] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 106.888543] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 106.898401] team0: Port device team_slave_0 added [ 106.937673] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 106.949032] team0: Port device team_slave_0 added [ 106.972582] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 107.000869] team0: Port device team_slave_1 added [ 107.012208] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 107.023419] team0: Port device team_slave_0 added [ 107.031622] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 107.045041] team0: Port device team_slave_1 added [ 107.053114] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 107.062530] team0: Port device team_slave_0 added [ 107.093627] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 107.103019] team0: Port device team_slave_1 added [ 107.116429] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 107.150283] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 107.159165] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 107.166574] team0: Port device team_slave_1 added [ 107.190344] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 107.211730] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 107.220562] team0: Port device team_slave_0 added [ 107.237415] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 107.247192] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 107.258962] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 107.267267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 107.276747] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 107.284272] team0: Port device team_slave_0 added [ 107.295863] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 107.311677] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 107.338980] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 107.347028] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 107.363345] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 107.371912] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 107.381949] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 107.389384] team0: Port device team_slave_1 added [ 107.402208] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 107.418295] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 107.434126] team0: Port device team_slave_1 added [ 107.440366] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 107.447519] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 107.473321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 107.481546] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 107.489654] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 107.502764] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 107.516648] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 107.533769] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 107.544858] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 107.553964] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 107.564457] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 107.579399] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 107.587388] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 107.595840] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 107.603681] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 107.611540] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 107.619340] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 107.627287] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 107.635888] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 107.653129] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 107.670639] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 107.677797] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 107.689568] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 107.698055] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 107.712277] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 107.723416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 107.731458] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 107.739110] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 107.746837] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 107.765263] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 107.779771] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 107.804343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 107.818117] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 107.834203] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 107.842251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 107.852857] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 107.873064] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 107.897259] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 107.909650] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 107.917531] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 107.943242] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 107.966527] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 107.977767] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 107.989543] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 108.380087] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.386600] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.393777] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.400215] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.412367] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 108.547739] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.554976] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.562557] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.570043] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.590263] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 108.599566] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.605944] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.612682] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.619120] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.636350] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 108.654695] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.661146] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.667896] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.674346] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.702640] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 108.781669] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.788071] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.794832] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.801256] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.823880] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 108.947834] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.954306] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.961053] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.967441] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.983071] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 109.349223] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 109.366544] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 109.389461] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 109.396784] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 109.408504] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 109.415791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 111.458201] 8021q: adding VLAN 0 to HW filter on device bond0 [ 111.476655] 8021q: adding VLAN 0 to HW filter on device bond0 [ 111.572167] 8021q: adding VLAN 0 to HW filter on device bond0 [ 111.610205] 8021q: adding VLAN 0 to HW filter on device bond0 [ 111.672782] 8021q: adding VLAN 0 to HW filter on device bond0 [ 111.696948] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 111.797104] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 111.819284] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 111.882862] 8021q: adding VLAN 0 to HW filter on device bond0 [ 111.915964] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 111.957031] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 112.039432] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 112.054582] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 112.075616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 112.090940] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 112.106893] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 112.115901] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 112.129279] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 112.149558] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 112.156785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 112.195085] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 112.206048] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 112.215603] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 112.229588] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 112.337865] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 112.345886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 112.355455] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 112.374738] 8021q: adding VLAN 0 to HW filter on device team0 [ 112.393334] 8021q: adding VLAN 0 to HW filter on device team0 [ 112.428431] 8021q: adding VLAN 0 to HW filter on device team0 [ 112.513055] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 112.522393] 8021q: adding VLAN 0 to HW filter on device team0 [ 112.529218] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 112.536334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 112.630222] 8021q: adding VLAN 0 to HW filter on device team0 [ 112.812832] 8021q: adding VLAN 0 to HW filter on device team0 2018/12/03 17:45:21 executed programs: 6 2018/12/03 17:45:27 executed programs: 42 2018/12/03 17:45:32 executed programs: 78 2018/12/03 17:45:38 executed programs: 114 2018/12/03 17:45:43 executed programs: 150 2018/12/03 17:45:49 executed programs: 186 2018/12/03 17:45:54 executed programs: 222 2018/12/03 17:46:00 executed programs: 258 2018/12/03 17:46:05 executed programs: 294 2018/12/03 17:46:11 executed programs: 330 2018/12/03 17:46:17 executed programs: 366 2018/12/03 17:46:22 executed programs: 402 2018/12/03 17:46:27 executed programs: 438 2018/12/03 17:46:32 executed programs: 473 2018/12/03 17:46:38 executed programs: 504 2018/12/03 17:46:44 executed programs: 540 2018/12/03 17:46:49 executed programs: 576 2018/12/03 17:46:55 executed programs: 612 2018/12/03 17:47:00 executed programs: 648 [ 219.374870] hrtimer: interrupt took 683171 ns 2018/12/03 17:47:06 executed programs: 684 2018/12/03 17:47:11 executed programs: 720 [ 229.302183] [ 229.304231] ===================================================== [ 229.310448] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 229.317203] 4.20.0-rc5+ #140 Not tainted [ 229.321257] ----------------------------------------------------- [ 229.327482] syz-executor0/11441 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 229.334756] 00000000c967b832 (&ctx->fd_wqh){....}, at: aio_poll+0x760/0x1420 [ 229.341983] [ 229.341983] and this task is already holding: [ 229.347972] 00000000901b9beb (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll+0x738/0x1420 [ 229.356212] which would create a new lock dependency: [ 229.361384] (&(&ctx->ctx_lock)->rlock){..-.} -> (&ctx->fd_wqh){....} [ 229.367964] [ 229.367964] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 229.376001] (&(&ctx->ctx_lock)->rlock){..-.} [ 229.376008] [ 229.376008] ... which became SOFTIRQ-irq-safe at: [ 229.386797] lock_acquire+0x1ed/0x520 [ 229.390676] _raw_spin_lock_irq+0x61/0x80 [ 229.394897] free_ioctx_users+0xbc/0x710 [ 229.399031] percpu_ref_switch_to_atomic_rcu+0x563/0x730 [ 229.404573] rcu_process_callbacks+0x100a/0x1ac0 [ 229.409402] __do_softirq+0x308/0xb7e [ 229.413288] irq_exit+0x17f/0x1c0 [ 229.416819] smp_apic_timer_interrupt+0x1cb/0x760 [ 229.421743] apic_timer_interrupt+0xf/0x20 [ 229.426054] [ 229.426054] to a SOFTIRQ-irq-unsafe lock: [ 229.431664] (&ctx->fault_pending_wqh){+.+.} [ 229.431675] [ 229.431675] ... which became SOFTIRQ-irq-unsafe at: [ 229.442544] ... [ 229.442564] lock_acquire+0x1ed/0x520 [ 229.448301] _raw_spin_lock+0x2d/0x40 [ 229.452184] userfaultfd_release+0x63e/0x8d0 [ 229.456667] __fput+0x385/0xa30 [ 229.460016] ____fput+0x15/0x20 [ 229.463371] task_work_run+0x1e8/0x2a0 [ 229.467357] exit_to_usermode_loop+0x318/0x380 [ 229.472037] do_syscall_64+0x6be/0x820 [ 229.475998] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 229.481253] [ 229.481253] other info that might help us debug this: [ 229.481253] [ 229.489377] Chain exists of: [ 229.489377] &(&ctx->ctx_lock)->rlock --> &ctx->fd_wqh --> &ctx->fault_pending_wqh [ 229.489377] [ 229.501509] Possible interrupt unsafe locking scenario: [ 229.501509] [ 229.508425] CPU0 CPU1 [ 229.513086] ---- ---- [ 229.517745] lock(&ctx->fault_pending_wqh); [ 229.522152] local_irq_disable(); [ 229.528200] lock(&(&ctx->ctx_lock)->rlock); [ 229.535244] lock(&ctx->fd_wqh); [ 229.541238] [ 229.543993] lock(&(&ctx->ctx_lock)->rlock); [ 229.548663] [ 229.548663] *** DEADLOCK *** [ 229.548663] [ 229.554728] 1 lock held by syz-executor0/11441: [ 229.559376] #0: 00000000901b9beb (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll+0x738/0x1420 [ 229.568046] [ 229.568046] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 229.577060] -> (&(&ctx->ctx_lock)->rlock){..-.} { [ 229.581891] IN-SOFTIRQ-W at: [ 229.585165] lock_acquire+0x1ed/0x520 [ 229.590612] _raw_spin_lock_irq+0x61/0x80 [ 229.596395] free_ioctx_users+0xbc/0x710 [ 229.602105] percpu_ref_switch_to_atomic_rcu+0x563/0x730 [ 229.609203] rcu_process_callbacks+0x100a/0x1ac0 [ 229.615619] __do_softirq+0x308/0xb7e [ 229.621068] irq_exit+0x17f/0x1c0 [ 229.626157] smp_apic_timer_interrupt+0x1cb/0x760 [ 229.632637] apic_timer_interrupt+0xf/0x20 [ 229.638518] INITIAL USE at: [ 229.641718] lock_acquire+0x1ed/0x520 [ 229.647094] _raw_spin_lock_irq+0x61/0x80 [ 229.652794] free_ioctx_users+0xbc/0x710 [ 229.658416] percpu_ref_switch_to_atomic_rcu+0x563/0x730 [ 229.665431] rcu_process_callbacks+0x100a/0x1ac0 [ 229.671746] __do_softirq+0x308/0xb7e [ 229.677102] irq_exit+0x17f/0x1c0 [ 229.682109] smp_apic_timer_interrupt+0x1cb/0x760 [ 229.688510] apic_timer_interrupt+0xf/0x20 [ 229.694310] } [ 229.696109] ... key at: [] __key.51053+0x0/0x40 [ 229.702841] ... acquired at: [ 229.705937] lock_acquire+0x1ed/0x520 [ 229.709918] _raw_spin_lock+0x2d/0x40 [ 229.713903] aio_poll+0x760/0x1420 [ 229.717600] io_submit_one+0xa49/0xf80 [ 229.721647] __x64_sys_io_submit+0x1b7/0x580 [ 229.726228] do_syscall_64+0x1b9/0x820 [ 229.730276] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 229.735621] [ 229.737244] [ 229.737244] the dependencies between the lock to be acquired [ 229.737247] and SOFTIRQ-irq-unsafe lock: [ 229.748663] -> (&ctx->fault_pending_wqh){+.+.} { [ 229.753505] HARDIRQ-ON-W at: [ 229.756896] lock_acquire+0x1ed/0x520 [ 229.762530] _raw_spin_lock+0x2d/0x40 [ 229.768165] userfaultfd_release+0x63e/0x8d0 [ 229.774396] __fput+0x385/0xa30 [ 229.779488] ____fput+0x15/0x20 [ 229.784579] task_work_run+0x1e8/0x2a0 [ 229.790277] exit_to_usermode_loop+0x318/0x380 [ 229.796668] do_syscall_64+0x6be/0x820 [ 229.802383] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 229.809374] SOFTIRQ-ON-W at: [ 229.812728] lock_acquire+0x1ed/0x520 [ 229.818336] _raw_spin_lock+0x2d/0x40 [ 229.823954] userfaultfd_release+0x63e/0x8d0 [ 229.830172] __fput+0x385/0xa30 [ 229.835268] ____fput+0x15/0x20 [ 229.840373] task_work_run+0x1e8/0x2a0 [ 229.846071] exit_to_usermode_loop+0x318/0x380 [ 229.852464] do_syscall_64+0x6be/0x820 [ 229.858160] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 229.865151] INITIAL USE at: [ 229.868422] lock_acquire+0x1ed/0x520 [ 229.873952] _raw_spin_lock+0x2d/0x40 [ 229.879475] userfaultfd_ctx_read+0x4f3/0x2180 [ 229.885787] userfaultfd_read+0x1e2/0x2c0 [ 229.891658] __vfs_read+0x117/0x9b0 [ 229.897019] vfs_read+0x17f/0x3c0 [ 229.902202] ksys_read+0x101/0x260 [ 229.907464] __x64_sys_read+0x73/0xb0 [ 229.912989] do_syscall_64+0x1b9/0x820 [ 229.918604] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 229.925536] } [ 229.927423] ... key at: [] __key.44661+0x0/0x40 [ 229.934241] ... acquired at: [ 229.937439] _raw_spin_lock+0x2d/0x40 [ 229.941413] userfaultfd_ctx_read+0x4f3/0x2180 [ 229.946167] userfaultfd_read+0x1e2/0x2c0 [ 229.950476] __vfs_read+0x117/0x9b0 [ 229.954265] vfs_read+0x17f/0x3c0 [ 229.957882] ksys_read+0x101/0x260 [ 229.961590] __x64_sys_read+0x73/0xb0 [ 229.965553] do_syscall_64+0x1b9/0x820 [ 229.969602] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 229.974942] [ 229.976562] -> (&ctx->fd_wqh){....} { [ 229.980350] INITIAL USE at: [ 229.983554] lock_acquire+0x1ed/0x520 [ 229.988916] _raw_spin_lock_irq+0x61/0x80 [ 229.994639] userfaultfd_ctx_read+0x2e4/0x2180 [ 230.000782] userfaultfd_read+0x1e2/0x2c0 [ 230.006477] __vfs_read+0x117/0x9b0 [ 230.011654] vfs_read+0x17f/0x3c0 [ 230.016654] ksys_read+0x101/0x260 [ 230.021743] __x64_sys_read+0x73/0xb0 [ 230.027105] do_syscall_64+0x1b9/0x820 [ 230.032560] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 230.039313] } [ 230.041123] ... key at: [] __key.44664+0x0/0x40 [ 230.047858] ... acquired at: [ 230.050969] lock_acquire+0x1ed/0x520 [ 230.054937] _raw_spin_lock+0x2d/0x40 [ 230.058925] aio_poll+0x760/0x1420 [ 230.062671] io_submit_one+0xa49/0xf80 [ 230.066724] __x64_sys_io_submit+0x1b7/0x580 [ 230.071301] do_syscall_64+0x1b9/0x820 [ 230.075348] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 230.080693] [ 230.082312] [ 230.082312] stack backtrace: [ 230.086796] CPU: 1 PID: 11441 Comm: syz-executor0 Not tainted 4.20.0-rc5+ #140 [ 230.094150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 230.103504] Call Trace: [ 230.106093] dump_stack+0x244/0x39d [ 230.109716] ? dump_stack_print_info.cold.1+0x20/0x20 [ 230.114995] ? print_shortest_lock_dependencies.cold.55+0x18e/0x211 [ 230.121388] ? vprintk_func+0x85/0x181 [ 230.125262] check_usage.cold.58+0x6d5/0xad1 [ 230.129658] ? check_usage_forwards+0x3d0/0x3d0 [ 230.134322] ? __lock_acquire+0x62f/0x4c20 [ 230.138576] ? __schedule+0x8d7/0x21d0 [ 230.142461] ? lockdep_on+0x50/0x50 [ 230.146073] ? mark_held_locks+0x130/0x130 [ 230.150293] ? __lock_acquire+0x62f/0x4c20 [ 230.154514] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 230.160397] __lock_acquire+0x238a/0x4c20 [ 230.164530] ? __lock_acquire+0x238a/0x4c20 [ 230.168852] ? mark_held_locks+0x130/0x130 [ 230.173080] ? zap_class+0x640/0x640 [ 230.176788] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 230.181903] ? find_held_lock+0x36/0x1c0 [ 230.185972] ? add_wait_queue+0x1b9/0x2b0 [ 230.190108] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 230.195197] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 230.200288] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 230.204860] ? trace_hardirqs_on+0xbd/0x310 [ 230.209166] ? kasan_check_read+0x11/0x20 [ 230.213378] ? add_wait_queue+0x1b9/0x2b0 [ 230.217523] ? trace_hardirqs_off_caller+0x310/0x310 [ 230.222621] ? rcu_softirq_qs+0x20/0x20 [ 230.226593] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 230.231700] ? add_wait_queue+0x1b9/0x2b0 [ 230.235833] ? __wake_up_locked_key_bookmark+0x20/0x20 [ 230.241099] lock_acquire+0x1ed/0x520 [ 230.244891] ? aio_poll+0x760/0x1420 [ 230.248606] ? lock_release+0xa00/0xa00 [ 230.252581] ? kasan_check_read+0x11/0x20 [ 230.256713] ? do_raw_spin_lock+0x14f/0x350 [ 230.261038] ? __ia32_sys_eventfd+0x40/0x40 [ 230.265357] ? rwlock_bug.part.2+0x90/0x90 [ 230.269575] ? trace_hardirqs_on+0x310/0x310 [ 230.273981] ? __save_stack_trace+0x8d/0xf0 [ 230.278296] _raw_spin_lock+0x2d/0x40 [ 230.282090] ? aio_poll+0x760/0x1420 [ 230.285823] aio_poll+0x760/0x1420 [ 230.289361] ? free_ioctx_users+0x710/0x710 [ 230.293841] ? kmem_cache_alloc+0x12e/0x730 [ 230.298148] ? aio_setup_rw+0x170/0x170 [ 230.302111] ? zap_class+0x640/0x640 [ 230.305818] ? mark_held_locks+0x130/0x130 [ 230.310052] ? zap_class+0x640/0x640 [ 230.313755] ? find_held_lock+0x36/0x1c0 [ 230.317802] ? find_held_lock+0x36/0x1c0 [ 230.321850] ? __might_fault+0x12b/0x1e0 [ 230.325900] ? lock_downgrade+0x900/0x900 [ 230.330043] ? lock_release+0xa00/0xa00 [ 230.334019] ? perf_trace_sched_process_exec+0x860/0x860 [ 230.339453] ? kasan_check_read+0x11/0x20 [ 230.343586] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 230.348852] io_submit_one+0xa49/0xf80 [ 230.352724] ? io_submit_one+0xa49/0xf80 [ 230.356780] ? aio_poll+0x1420/0x1420 [ 230.360578] ? __might_fault+0x12b/0x1e0 [ 230.364624] ? lock_downgrade+0x900/0x900 [ 230.368758] ? perf_trace_sched_process_exec+0x860/0x860 [ 230.374195] __x64_sys_io_submit+0x1b7/0x580 [ 230.378597] ? __ia32_sys_io_destroy+0x580/0x580 [ 230.383366] ? trace_hardirqs_on+0xbd/0x310 [ 230.387687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.393235] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 230.398602] ? trace_hardirqs_off_caller+0x310/0x310 [ 230.403726] do_syscall_64+0x1b9/0x820 [ 230.407600] ? __ia32_sys_io_destroy+0x580/0x580 [ 230.412353] ? do_syscall_64+0x1b9/0x820 [ 230.416402] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 230.421756] ? syscall_return_slowpath+0x5e0/0x5e0 [ 230.426685] ? trace_hardirqs_on_caller+0x310/0x310 [ 230.431705] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 230.436739] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 230.443418] ? __switch_to_asm+0x40/0x70 [ 230.447477] ? __switch_to_asm+0x34/0x70 [ 230.451562] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.456393] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 230.461571] RIP: 0033:0x457569 [ 230.464751] Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 230.483646] RSP: 002b:00007f5650f14c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 230.491341] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 [ 230.498710] RDX: 0000000020000b00 RSI: 0000000000000001 RDI: 00007f5650f37000 2018/12/03 17:47:16 executed programs: 746 [ 230.505988] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 [ 230.513242] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5650f156d4 [ 230.520499] R13: 00000000004be7ed R14: 00000000004ced68 R15: 00000000ffffffff [ 230.536167] kobject: 'loop2' (00000000fe646049): kobject_uevent_env [ 230.547366] kobject: 'loop2' (00000000fe646049): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 230.557758] kobject: 'loop3' (000000007e27f12f): kobject_uevent_env [ 230.564811] kobject: 'loop3' (000000007e27f12f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 230.591656] kobject: 'loop5' (00000000201e517d): kobject_uevent_env [ 230.599080] kobject: 'loop5' (00000000201e517d): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 230.625665] kobject: 'loop0' (000000005886043a): kobject_uevent_env [ 230.633490] kobject: 'loop0' (000000005886043a): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 230.643734] kobject: 'loop4' (0000000014c0c9c3): kobject_uevent_env [ 230.650344] kobject: 'loop4' (0000000014c0c9c3): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 230.660564] kobject: 'loop1' (0000000051c2ac1a): kobject_uevent_env [ 230.667010] kobject: 'loop1' (0000000051c2ac1a): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 231.452220] kobject: 'loop2' (00000000fe646049): kobject_uevent_env [ 231.458809] kobject: 'loop2' (00000000fe646049): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 231.471842] kobject: 'loop3' (000000007e27f12f): kobject_uevent_env [ 231.479290] kobject: 'loop3' (000000007e27f12f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 231.512344] kobject: 'loop1' (0000000051c2ac1a): kobject_uevent_env [ 231.519010] kobject: 'loop1' (0000000051c2ac1a): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 231.537860] kobject: 'loop5' (00000000201e517d): kobject_uevent_env [ 231.553211] kobject: 'loop5' (00000000201e517d): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 231.563906] kobject: 'loop0' (000000005886043a): kobject_uevent_env [ 231.570733] kobject: 'loop0' (000000005886043a): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 231.581674] kobject: 'loop4' (0000000014c0c9c3): kobject_uevent_env [ 231.590390] kobject: 'loop4' (0000000014c0c9c3): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 232.351639] kobject: 'loop2' (00000000fe646049): kobject_uevent_env [ 232.358171] kobject: 'loop2' (00000000fe646049): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 232.411831] kobject: 'loop3' (000000007e27f12f): kobject_uevent_env [ 232.418439] kobject: 'loop3' (000000007e27f12f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 232.454083] kobject: 'loop1' (0000000051c2ac1a): kobject_uevent_env [ 232.462076] kobject: 'loop1' (0000000051c2ac1a): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 232.472384] kobject: 'loop5' (00000000201e517d): kobject_uevent_env [ 232.479291] kobject: 'loop5' (00000000201e517d): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 232.497820] kobject: 'loop4' (0000000014c0c9c3): kobject_uevent_env [ 232.511826] kobject: 'loop4' (0000000014c0c9c3): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 232.524381] kobject: 'loop0' (000000005886043a): kobject_uevent_env [ 232.532716] kobject: 'loop0' (000000005886043a): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 233.232301] kobject: 'loop2' (00000000fe646049): kobject_uevent_env [ 233.238990] kobject: 'loop2' (00000000fe646049): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 233.325139] kobject: 'loop1' (0000000051c2ac1a): kobject_uevent_env [ 233.335843] kobject: 'loop1' (0000000051c2ac1a): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 233.345972] kobject: 'loop3' (000000007e27f12f): kobject_uevent_env [ 233.353510] kobject: 'loop3' (000000007e27f12f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 233.363700] kobject: 'loop5' (00000000201e517d): kobject_uevent_env [ 233.371873] kobject: 'loop5' (00000000201e517d): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 233.421851] kobject: 'loop0' (000000005886043a): kobject_uevent_env [ 233.432837] kobject: 'loop0' (000000005886043a): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 233.446040] kobject: 'loop4' (0000000014c0c9c3): kobject_uevent_env [ 233.458462] kobject: 'loop4' (0000000014c0c9c3): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 234.192125] kobject: 'loop2' (00000000fe646049): kobject_uevent_env [ 234.199475] kobject: 'loop2' (00000000fe646049): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 234.262137] kobject: 'loop3' (000000007e27f12f): kobject_uevent_env [ 234.268697] kobject: 'loop3' (000000007e27f12f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 234.285606] kobject: 'loop5' (00000000201e517d): kobject_uevent_env [ 234.294076] kobject: 'loop5' (00000000201e517d): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 234.306003] kobject: 'loop1' (0000000051c2ac1a): kobject_uevent_env [ 234.312478] kobject: 'loop1' (0000000051c2ac1a): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 234.332253] kobject: 'loop4' (0000000014c0c9c3): kobject_uevent_env [ 234.345316] kobject: 'loop4' (0000000014c0c9c3): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 234.363810] kobject: 'loop0' (000000005886043a): kobject_uevent_env [ 234.370463] kobject: 'loop0' (000000005886043a): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 235.121815] kobject: 'loop2' (00000000fe646049): kobject_uevent_env [ 235.129200] kobject: 'loop2' (00000000fe646049): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 235.201725] kobject: 'loop3' (000000007e27f12f): kobject_uevent_env [ 235.208332] kobject: 'loop3' (000000007e27f12f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 235.227022] kobject: 'loop5' (00000000201e517d): kobject_uevent_env [ 235.242982] kobject: 'loop5' (00000000201e517d): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 235.253809] kobject: 'loop4' (0000000014c0c9c3): kobject_uevent_env [ 235.261974] kobject: 'loop4' (0000000014c0c9c3): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 235.273650] kobject: 'loop0' (000000005886043a): kobject_uevent_env [ 235.285028] kobject: 'loop0' (000000005886043a): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 235.294967] kobject: 'loop1' (0000000051c2ac1a): kobject_uevent_env [ 235.301757] kobject: 'loop1' (0000000051c2ac1a): fill_kobj_path: path = '/devices/virtual/block/loop1' 2018/12/03 17:47:22 executed programs: 781 [ 236.052562] kobject: 'loop2' (00000000fe646049): kobject_uevent_env [ 236.059462] kobject: 'loop2' (00000000fe646049): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 236.134039] kobject: 'loop3' (000000007e27f12f): kobject_uevent_env [ 236.140642] kobject: 'loop3' (000000007e27f12f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 236.156213] kobject: 'loop5' (00000000201e517d): kobject_uevent_env [ 236.163856] kobject: 'loop5' (00000000201e517d): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 236.186979] kobject: 'loop0' (000000005886043a): kobject_uevent_env [ 236.194467] kobject: 'loop0' (000000005886043a): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 236.204395] kobject: 'loop1' (0000000051c2ac1a): kobject_uevent_env [ 236.210893] kobject: 'loop1' (0000000051c2ac1a): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 236.220850] kobject: 'loop4' (0000000014c0c9c3): kobject_uevent_env [ 236.227281] kobject: 'loop4' (0000000014c0c9c3): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 237.011989] kobject: 'loop2' (00000000fe646049): kobject_uevent_env [ 237.018520] kobject: 'loop2' (00000000fe646049): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 237.065485] kobject: 'loop3' (000000007e27f12f): kobject_uevent_env [ 237.072295] kobject: 'loop3' (000000007e27f12f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 237.083513] kobject: 'loop0' (000000005886043a): kobject_uevent_env [ 237.090136] kobject: 'loop0' (000000005886043a): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 237.105682] kobject: 'loop5' (00000000201e517d): kobject_uevent_env [ 237.113075] kobject: 'loop5' (00000000201e517d): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 237.125259] kobject: 'loop4' (0000000014c0c9c3): kobject_uevent_env [ 237.131978] kobject: 'loop4' (0000000014c0c9c3): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 237.142594] kobject: 'loop1' (0000000051c2ac1a): kobject_uevent_env [ 237.149269] kobject: 'loop1' (0000000051c2ac1a): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 237.942108] kobject: 'loop2' (00000000fe646049): kobject_uevent_env [ 237.949608] kobject: 'loop2' (00000000fe646049): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 237.960205] kobject: 'loop3' (000000007e27f12f): kobject_uevent_env [ 237.966646] kobject: 'loop3' (000000007e27f12f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 238.001644] kobject: 'loop0' (000000005886043a): kobject_uevent_env [ 238.008202] kobject: 'loop0' (000000005886043a): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 238.023735] kobject: 'loop5' (00000000201e517d): kobject_uevent_env [ 238.031309] kobject: 'loop5' (00000000201e517d): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 238.043925] kobject: 'loop4' (0000000014c0c9c3): kobject_uevent_env [ 238.052880] kobject: 'loop4' (0000000014c0c9c3): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 238.067267] kobject: 'loop1' (0000000051c2ac1a): kobject_uevent_env [ 238.073918] kobject: 'loop1' (0000000051c2ac1a): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 238.872284] kobject: 'loop3' (000000007e27f12f): kobject_uevent_env [ 238.880778] kobject: 'loop3' (000000007e27f12f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 238.892496] kobject: 'loop2' (00000000fe646049): kobject_uevent_env [ 238.899151] kobject: 'loop2' (00000000fe646049): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 238.924244] kobject: 'loop0' (000000005886043a): kobject_uevent_env [ 238.935748] kobject: 'loop0' (000000005886043a): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 238.947133] kobject: 'loop5' (00000000201e517d): kobject_uevent_env [ 238.954516] kobject: 'loop5' (00000000201e517d): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 238.970171] kobject: 'loop4' (0000000014c0c9c3): kobject_uevent_env [ 238.976719] kobject: 'loop4' (0000000014c0c9c3): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 238.987586] kobject: 'loop1' (0000000051c2ac1a): kobject_uevent_env [ 238.994246] kobject: 'loop1' (0000000051c2ac1a): fill_kobj_path: path = '/devices/virtual/block/loop1'