[....] 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. [ 29.594136] kauditd_printk_skb: 8 callbacks suppressed [ 29.594156] audit: type=1800 audit(1544773880.199:29): pid=5905 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 29.621946] audit: type=1800 audit(1544773880.199:30): pid=5905 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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 '10.128.10.2' (ECDSA) to the list of known hosts. 2018/12/14 07:54:00 parsed 1 programs 2018/12/14 07:54:02 executed programs: 0 syzkaller login: [ 192.165983] IPVS: ftp: loaded support on port[0] = 21 [ 192.165995] IPVS: ftp: loaded support on port[0] = 21 [ 192.189738] IPVS: ftp: loaded support on port[0] = 21 [ 192.190392] IPVS: ftp: loaded support on port[0] = 21 [ 192.217774] IPVS: ftp: loaded support on port[0] = 21 [ 192.237643] IPVS: ftp: loaded support on port[0] = 21 [ 193.493427] bridge0: port 1(bridge_slave_0) entered blocking state [ 193.500535] bridge0: port 1(bridge_slave_0) entered disabled state [ 193.512877] device bridge_slave_0 entered promiscuous mode [ 193.535917] bridge0: port 1(bridge_slave_0) entered blocking state [ 193.542362] bridge0: port 1(bridge_slave_0) entered disabled state [ 193.552898] device bridge_slave_0 entered promiscuous mode [ 193.574131] bridge0: port 1(bridge_slave_0) entered blocking state [ 193.580647] bridge0: port 1(bridge_slave_0) entered disabled state [ 193.596794] device bridge_slave_0 entered promiscuous mode [ 193.611054] bridge0: port 2(bridge_slave_1) entered blocking state [ 193.622095] bridge0: port 2(bridge_slave_1) entered disabled state [ 193.635897] device bridge_slave_1 entered promiscuous mode [ 193.658024] bridge0: port 2(bridge_slave_1) entered blocking state [ 193.675237] bridge0: port 2(bridge_slave_1) entered disabled state [ 193.682660] device bridge_slave_1 entered promiscuous mode [ 193.706575] bridge0: port 2(bridge_slave_1) entered blocking state [ 193.713283] bridge0: port 2(bridge_slave_1) entered disabled state [ 193.720708] device bridge_slave_1 entered promiscuous mode [ 193.730068] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 193.738969] bridge0: port 1(bridge_slave_0) entered blocking state [ 193.750676] bridge0: port 1(bridge_slave_0) entered disabled state [ 193.764470] device bridge_slave_0 entered promiscuous mode [ 193.772978] bridge0: port 1(bridge_slave_0) entered blocking state [ 193.783263] bridge0: port 1(bridge_slave_0) entered disabled state [ 193.790712] device bridge_slave_0 entered promiscuous mode [ 193.802490] bridge0: port 1(bridge_slave_0) entered blocking state [ 193.809193] bridge0: port 1(bridge_slave_0) entered disabled state [ 193.817090] device bridge_slave_0 entered promiscuous mode [ 193.826332] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 193.838193] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 193.850611] bridge0: port 2(bridge_slave_1) entered blocking state [ 193.864342] bridge0: port 2(bridge_slave_1) entered disabled state [ 193.877899] device bridge_slave_1 entered promiscuous mode [ 193.884685] bridge0: port 2(bridge_slave_1) entered blocking state [ 193.891063] bridge0: port 2(bridge_slave_1) entered disabled state [ 193.898804] device bridge_slave_1 entered promiscuous mode [ 193.906476] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 193.926877] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 193.951106] bridge0: port 2(bridge_slave_1) entered blocking state [ 193.963568] bridge0: port 2(bridge_slave_1) entered disabled state [ 193.971043] device bridge_slave_1 entered promiscuous mode [ 193.979739] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 193.999618] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 194.009413] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 194.043860] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 194.080707] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 194.091694] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 194.108198] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 194.130257] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 194.209592] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 194.239413] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 194.266525] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 194.302869] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 194.316533] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 194.325975] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 194.347420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 194.360120] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 194.381519] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 194.396117] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 194.415258] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 194.431236] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 194.444678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 194.460565] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 194.472026] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 194.485643] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 194.509673] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 194.524781] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 194.540460] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 194.561963] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 194.575626] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 194.591287] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 194.605459] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 194.614005] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 194.624080] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 194.679762] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 194.691677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 194.717765] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 194.739721] team0: Port device team_slave_0 added [ 194.813347] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 194.822158] team0: Port device team_slave_0 added [ 194.830587] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 194.846050] team0: Port device team_slave_1 added [ 194.861896] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 194.872717] team0: Port device team_slave_0 added [ 194.888840] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 194.902003] team0: Port device team_slave_1 added [ 194.918660] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 194.931075] team0: Port device team_slave_0 added [ 194.964980] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 194.976245] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 194.994278] team0: Port device team_slave_1 added [ 195.006599] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 195.018237] team0: Port device team_slave_0 added [ 195.041291] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 195.049947] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 195.065090] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 195.072560] team0: Port device team_slave_0 added [ 195.079441] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 195.088834] team0: Port device team_slave_1 added [ 195.104182] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 195.111648] team0: Port device team_slave_1 added [ 195.118613] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 195.130228] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 195.148691] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 195.160518] team0: Port device team_slave_1 added [ 195.166681] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 195.177892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 195.186632] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 195.195783] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 195.205948] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 195.224192] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 195.233457] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 195.255319] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 195.265812] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 195.276436] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 195.296385] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 195.316774] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 195.326049] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 195.334338] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 195.342120] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 195.350051] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 195.357599] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 195.365561] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 195.373487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 195.381217] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 195.389188] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 195.397151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 195.404953] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 195.412712] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 195.426410] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 195.439655] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 195.449127] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 195.462968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 195.480826] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 195.493599] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 195.504578] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 195.512237] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 195.520622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 195.533667] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 195.545019] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 195.552284] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 195.564265] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 195.572047] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 195.584570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 195.595785] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 195.605915] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 195.619552] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 195.633938] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 195.641106] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 195.654722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 195.662733] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 195.679930] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 195.688496] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 195.697092] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 195.705408] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 195.713393] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 195.729547] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 195.743768] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 195.756770] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 195.775448] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 195.787705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 195.808587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 196.236797] bridge0: port 2(bridge_slave_1) entered blocking state [ 196.243410] bridge0: port 2(bridge_slave_1) entered forwarding state [ 196.250592] bridge0: port 1(bridge_slave_0) entered blocking state [ 196.257049] bridge0: port 1(bridge_slave_0) entered forwarding state [ 196.272117] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 196.329128] bridge0: port 2(bridge_slave_1) entered blocking state [ 196.335587] bridge0: port 2(bridge_slave_1) entered forwarding state [ 196.342320] bridge0: port 1(bridge_slave_0) entered blocking state [ 196.348772] bridge0: port 1(bridge_slave_0) entered forwarding state [ 196.358092] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 196.472926] bridge0: port 2(bridge_slave_1) entered blocking state [ 196.479391] bridge0: port 2(bridge_slave_1) entered forwarding state [ 196.486159] bridge0: port 1(bridge_slave_0) entered blocking state [ 196.492556] bridge0: port 1(bridge_slave_0) entered forwarding state [ 196.501832] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 196.621673] bridge0: port 2(bridge_slave_1) entered blocking state [ 196.628154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 196.634906] bridge0: port 1(bridge_slave_0) entered blocking state [ 196.641302] bridge0: port 1(bridge_slave_0) entered forwarding state [ 196.660066] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 196.668703] bridge0: port 2(bridge_slave_1) entered blocking state [ 196.675147] bridge0: port 2(bridge_slave_1) entered forwarding state [ 196.681836] bridge0: port 1(bridge_slave_0) entered blocking state [ 196.688283] bridge0: port 1(bridge_slave_0) entered forwarding state [ 196.696570] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 196.711659] bridge0: port 2(bridge_slave_1) entered blocking state [ 196.718125] bridge0: port 2(bridge_slave_1) entered forwarding state [ 196.724865] bridge0: port 1(bridge_slave_0) entered blocking state [ 196.731250] bridge0: port 1(bridge_slave_0) entered forwarding state [ 196.741684] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 197.224189] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 197.231981] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 197.252124] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 197.262175] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 197.270003] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 197.277977] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 199.057107] 8021q: adding VLAN 0 to HW filter on device bond0 [ 199.320402] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 199.341694] 8021q: adding VLAN 0 to HW filter on device bond0 [ 199.478759] 8021q: adding VLAN 0 to HW filter on device bond0 [ 199.513337] 8021q: adding VLAN 0 to HW filter on device bond0 [ 199.577657] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 199.610737] 8021q: adding VLAN 0 to HW filter on device bond0 [ 199.627702] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 199.647809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 199.666176] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 199.698551] 8021q: adding VLAN 0 to HW filter on device bond0 [ 199.772182] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 199.798710] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 199.866231] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 199.876863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 199.885697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 199.920146] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 199.949621] 8021q: adding VLAN 0 to HW filter on device team0 [ 200.030765] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 200.069772] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 200.083499] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 200.096711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 200.119375] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 200.137957] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 200.146884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 200.170649] 8021q: adding VLAN 0 to HW filter on device team0 [ 200.191355] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 200.206859] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 200.218804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 200.377087] 8021q: adding VLAN 0 to HW filter on device team0 [ 200.400069] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 200.415283] 8021q: adding VLAN 0 to HW filter on device team0 [ 200.421494] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 200.430205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 200.470685] 8021q: adding VLAN 0 to HW filter on device team0 [ 200.721304] 8021q: adding VLAN 0 to HW filter on device team0 2018/12/14 07:54:13 executed programs: 6 2018/12/14 07:54:19 executed programs: 42 2018/12/14 07:54:24 executed programs: 78 [ 217.627566] [ 217.629363] ===================================================== [ 217.635598] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 217.636700] kobject: 'loop4' (000000008055d840): kobject_uevent_env [ 217.642346] 4.20.0-rc6+ #372 Not tainted [ 217.642351] ----------------------------------------------------- [ 217.642365] syz-executor2/8130 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 217.642370] 000000006dfa323f (&ctx->fd_wqh){....}, at: aio_poll+0x760/0x1420 [ 217.642400] [ 217.642400] and this task is already holding: [ 217.650490] kobject: 'loop4' (000000008055d840): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 217.652878] 00000000a1a6d3f4 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll+0x738/0x1420 [ 217.652901] which would create a new lock dependency: [ 217.652904] (&(&ctx->ctx_lock)->rlock){..-.} -> (&ctx->fd_wqh){....} [ 217.708991] [ 217.708991] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 217.717119] (&(&ctx->ctx_lock)->rlock){..-.} [ 217.717125] [ 217.717125] ... which became SOFTIRQ-irq-safe at: [ 217.728082] lock_acquire+0x1ed/0x520 [ 217.732043] _raw_spin_lock_irq+0x61/0x80 [ 217.736302] free_ioctx_users+0xbc/0x710 [ 217.740450] percpu_ref_switch_to_atomic_rcu+0x563/0x730 [ 217.746021] rcu_process_callbacks+0x100a/0x1ac0 [ 217.750870] __do_softirq+0x308/0xb7e [ 217.754741] irq_exit+0x17f/0x1c0 [ 217.758386] smp_apic_timer_interrupt+0x1cb/0x760 [ 217.763299] apic_timer_interrupt+0xf/0x20 [ 217.767711] _raw_spin_unlock_irqrestore+0xaf/0xd0 [ 217.772716] add_wait_queue+0x1b9/0x2b0 [ 217.776763] do_wait+0x1d9/0xb90 [ 217.780346] kernel_wait4+0x247/0x3f0 [ 217.784249] __do_sys_wait4+0x137/0x150 [ 217.788300] __x64_sys_wait4+0x97/0xf0 [ 217.792259] do_syscall_64+0x1b9/0x820 [ 217.796214] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 217.801466] [ 217.801466] to a SOFTIRQ-irq-unsafe lock: [ 217.807067] (&ctx->fault_pending_wqh){+.+.} [ 217.807074] [ 217.807074] ... which became SOFTIRQ-irq-unsafe at: [ 217.817922] ... [ 217.817933] lock_acquire+0x1ed/0x520 [ 217.823685] _raw_spin_lock+0x2d/0x40 [ 217.827571] userfaultfd_release+0x63e/0x8d0 [ 217.832075] __fput+0x385/0xa30 [ 217.835445] ____fput+0x15/0x20 [ 217.838823] task_work_run+0x1e8/0x2a0 [ 217.842783] get_signal+0x1558/0x1980 [ 217.846669] do_signal+0x9c/0x21c0 [ 217.850280] exit_to_usermode_loop+0x2e5/0x380 [ 217.854951] do_syscall_64+0x6be/0x820 [ 217.858940] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 217.864209] [ 217.864209] other info that might help us debug this: [ 217.864209] [ 217.872395] Chain exists of: [ 217.872395] &(&ctx->ctx_lock)->rlock --> &ctx->fd_wqh --> &ctx->fault_pending_wqh [ 217.872395] [ 217.884537] Possible interrupt unsafe locking scenario: [ 217.884537] [ 217.891440] CPU0 CPU1 [ 217.896089] ---- ---- [ 217.900744] lock(&ctx->fault_pending_wqh); [ 217.905135] local_irq_disable(); [ 217.911169] lock(&(&ctx->ctx_lock)->rlock); [ 217.918161] lock(&ctx->fd_wqh); [ 217.924122] [ 217.926867] lock(&(&ctx->ctx_lock)->rlock); [ 217.931518] [ 217.931518] *** DEADLOCK *** [ 217.931518] [ 217.937559] 1 lock held by syz-executor2/8130: [ 217.942185] #0: 00000000a1a6d3f4 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll+0x738/0x1420 [ 217.950870] [ 217.950870] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 217.959861] -> (&(&ctx->ctx_lock)->rlock){..-.} { [ 217.964810] IN-SOFTIRQ-W at: [ 217.968093] lock_acquire+0x1ed/0x520 [ 217.973657] _raw_spin_lock_irq+0x61/0x80 [ 217.979436] free_ioctx_users+0xbc/0x710 [ 217.985196] percpu_ref_switch_to_atomic_rcu+0x563/0x730 [ 217.992334] rcu_process_callbacks+0x100a/0x1ac0 [ 217.998838] __do_softirq+0x308/0xb7e [ 218.004272] irq_exit+0x17f/0x1c0 [ 218.009358] smp_apic_timer_interrupt+0x1cb/0x760 [ 218.016065] apic_timer_interrupt+0xf/0x20 [ 218.021963] _raw_spin_unlock_irqrestore+0xaf/0xd0 [ 218.028638] add_wait_queue+0x1b9/0x2b0 [ 218.034279] do_wait+0x1d9/0xb90 [ 218.039400] kernel_wait4+0x247/0x3f0 [ 218.044849] __do_sys_wait4+0x137/0x150 [ 218.050522] __x64_sys_wait4+0x97/0xf0 [ 218.056363] do_syscall_64+0x1b9/0x820 [ 218.062037] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 218.068926] INITIAL USE at: [ 218.072105] lock_acquire+0x1ed/0x520 [ 218.077450] _raw_spin_lock_irq+0x61/0x80 [ 218.083315] free_ioctx_users+0xbc/0x710 [ 218.088929] percpu_ref_switch_to_atomic_rcu+0x563/0x730 [ 218.095942] rcu_process_callbacks+0x100a/0x1ac0 [ 218.102246] __do_softirq+0x308/0xb7e [ 218.107616] irq_exit+0x17f/0x1c0 [ 218.112623] smp_apic_timer_interrupt+0x1cb/0x760 [ 218.119014] apic_timer_interrupt+0xf/0x20 [ 218.124805] _raw_spin_unlock_irqrestore+0xaf/0xd0 [ 218.131291] add_wait_queue+0x1b9/0x2b0 [ 218.136935] do_wait+0x1d9/0xb90 [ 218.141942] kernel_wait4+0x247/0x3f0 [ 218.147411] __do_sys_wait4+0x137/0x150 [ 218.152926] __x64_sys_wait4+0x97/0xf0 [ 218.158383] do_syscall_64+0x1b9/0x820 [ 218.163976] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 218.170712] } [ 218.172498] ... key at: [] __key.51068+0x0/0x40 [ 218.179236] ... acquired at: [ 218.182339] lock_acquire+0x1ed/0x520 [ 218.186303] _raw_spin_lock+0x2d/0x40 [ 218.190256] aio_poll+0x760/0x1420 [ 218.193952] io_submit_one+0xa49/0xf80 [ 218.198011] __x64_sys_io_submit+0x1b7/0x580 [ 218.202595] do_syscall_64+0x1b9/0x820 [ 218.206742] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 218.212219] [ 218.213824] [ 218.213824] the dependencies between the lock to be acquired [ 218.213843] and SOFTIRQ-irq-unsafe lock: [ 218.225209] -> (&ctx->fault_pending_wqh){+.+.} { [ 218.230035] HARDIRQ-ON-W at: [ 218.233390] lock_acquire+0x1ed/0x520 [ 218.239010] _raw_spin_lock+0x2d/0x40 [ 218.244617] userfaultfd_release+0x63e/0x8d0 [ 218.250829] __fput+0x385/0xa30 [ 218.255908] ____fput+0x15/0x20 [ 218.260992] task_work_run+0x1e8/0x2a0 [ 218.266680] get_signal+0x1558/0x1980 [ 218.272290] do_signal+0x9c/0x21c0 [ 218.277638] exit_to_usermode_loop+0x2e5/0x380 [ 218.284033] do_syscall_64+0x6be/0x820 [ 218.289718] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 218.296771] SOFTIRQ-ON-W at: [ 218.300129] lock_acquire+0x1ed/0x520 [ 218.305733] _raw_spin_lock+0x2d/0x40 [ 218.311516] userfaultfd_release+0x63e/0x8d0 [ 218.317727] __fput+0x385/0xa30 [ 218.322807] ____fput+0x15/0x20 [ 218.327889] task_work_run+0x1e8/0x2a0 [ 218.333576] get_signal+0x1558/0x1980 [ 218.339175] do_signal+0x9c/0x21c0 [ 218.344519] exit_to_usermode_loop+0x2e5/0x380 [ 218.350903] do_syscall_64+0x6be/0x820 [ 218.356589] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 218.363574] INITIAL USE at: [ 218.366838] lock_acquire+0x1ed/0x520 [ 218.372352] _raw_spin_lock+0x2d/0x40 [ 218.377864] userfaultfd_ctx_read+0x4f3/0x2180 [ 218.384158] userfaultfd_read+0x1e2/0x2c0 [ 218.390016] __vfs_read+0x117/0x9b0 [ 218.395371] vfs_read+0x17f/0x3c0 [ 218.400538] ksys_read+0x101/0x260 [ 218.405798] __x64_sys_read+0x73/0xb0 [ 218.411322] do_syscall_64+0x1b9/0x820 [ 218.416940] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 218.423839] } [ 218.425707] ... key at: [] __key.44676+0x0/0x40 [ 218.432520] ... acquired at: [ 218.435691] _raw_spin_lock+0x2d/0x40 [ 218.439643] userfaultfd_ctx_read+0x4f3/0x2180 [ 218.444374] userfaultfd_read+0x1e2/0x2c0 [ 218.448673] __vfs_read+0x117/0x9b0 [ 218.452448] vfs_read+0x17f/0x3c0 [ 218.456069] ksys_read+0x101/0x260 [ 218.459761] __x64_sys_read+0x73/0xb0 [ 218.463715] do_syscall_64+0x1b9/0x820 [ 218.467755] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 218.473091] [ 218.474709] -> (&ctx->fd_wqh){....} { [ 218.478490] INITIAL USE at: [ 218.481683] lock_acquire+0x1ed/0x520 [ 218.487041] _raw_spin_lock_irq+0x61/0x80 [ 218.492943] userfaultfd_ctx_read+0x2e4/0x2180 [ 218.499082] userfaultfd_read+0x1e2/0x2c0 [ 218.504772] __vfs_read+0x117/0x9b0 [ 218.509947] vfs_read+0x17f/0x3c0 [ 218.514947] ksys_read+0x101/0x260 [ 218.520033] __x64_sys_read+0x73/0xb0 [ 218.525377] do_syscall_64+0x1b9/0x820 [ 218.530804] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 218.537545] } [ 218.539334] ... key at: [] __key.44679+0x0/0x40 [ 218.546065] ... acquired at: [ 218.549146] lock_acquire+0x1ed/0x520 [ 218.553097] _raw_spin_lock+0x2d/0x40 [ 218.557060] aio_poll+0x760/0x1420 [ 218.560749] io_submit_one+0xa49/0xf80 [ 218.564785] __x64_sys_io_submit+0x1b7/0x580 [ 218.569347] do_syscall_64+0x1b9/0x820 [ 218.573385] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 218.578722] [ 218.580330] [ 218.580330] stack backtrace: [ 218.584809] CPU: 1 PID: 8130 Comm: syz-executor2 Not tainted 4.20.0-rc6+ #372 [ 218.592060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 218.601390] Call Trace: [ 218.603964] dump_stack+0x244/0x39d [ 218.607574] ? dump_stack_print_info.cold.1+0x20/0x20 [ 218.612753] ? print_shortest_lock_dependencies.cold.55+0x18e/0x211 [ 218.619141] ? vprintk_func+0x85/0x181 [ 218.623021] check_usage.cold.58+0x6d5/0xad1 [ 218.627415] ? check_usage_forwards+0x3d0/0x3d0 [ 218.632065] ? __lock_acquire+0x62f/0x4c20 [ 218.636278] ? __switch_to_asm+0x34/0x70 [ 218.640316] ? lockdep_on+0x50/0x50 [ 218.643936] ? mark_held_locks+0x130/0x130 [ 218.648147] ? __lock_acquire+0x62f/0x4c20 [ 218.652364] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 218.658228] __lock_acquire+0x238a/0x4c20 [ 218.662351] ? __lock_acquire+0x238a/0x4c20 [ 218.666654] ? mark_held_locks+0x130/0x130 [ 218.670866] ? zap_class+0x640/0x640 [ 218.674559] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 218.679718] ? find_held_lock+0x36/0x1c0 [ 218.683798] ? add_wait_queue+0x1b9/0x2b0 [ 218.687941] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 218.693162] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 218.698253] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 218.702818] ? trace_hardirqs_on+0xbd/0x310 [ 218.707120] ? kasan_check_read+0x11/0x20 [ 218.711245] ? add_wait_queue+0x1b9/0x2b0 [ 218.715379] ? trace_hardirqs_off_caller+0x310/0x310 [ 218.720460] ? rcu_softirq_qs+0x20/0x20 [ 218.724412] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 218.729492] ? add_wait_queue+0x1b9/0x2b0 [ 218.733627] ? __wake_up_locked_key_bookmark+0x20/0x20 [ 218.738886] lock_acquire+0x1ed/0x520 [ 218.742667] ? aio_poll+0x760/0x1420 [ 218.746363] ? lock_release+0xa00/0xa00 [ 218.750315] ? kasan_check_read+0x11/0x20 [ 218.754440] ? do_raw_spin_lock+0x14f/0x350 [ 218.758742] ? __ia32_sys_eventfd+0x40/0x40 [ 218.763051] ? rwlock_bug.part.2+0x90/0x90 [ 218.767265] ? trace_hardirqs_on+0x310/0x310 [ 218.771653] ? __save_stack_trace+0x8d/0xf0 [ 218.775972] _raw_spin_lock+0x2d/0x40 [ 218.779751] ? aio_poll+0x760/0x1420 [ 218.783443] aio_poll+0x760/0x1420 [ 218.786964] ? free_ioctx_users+0x710/0x710 [ 218.791290] ? kmem_cache_alloc+0x12e/0x730 [ 218.795594] ? aio_setup_rw+0x170/0x170 [ 218.799551] ? zap_class+0x640/0x640 [ 218.803249] ? mark_held_locks+0x130/0x130 [ 218.807462] ? zap_class+0x640/0x640 [ 218.811156] ? find_held_lock+0x36/0x1c0 [ 218.815197] ? find_held_lock+0x36/0x1c0 [ 218.819240] ? __might_fault+0x12b/0x1e0 [ 218.823282] ? lock_downgrade+0x900/0x900 [ 218.827415] ? lock_release+0xa00/0xa00 [ 218.831375] ? perf_trace_sched_process_exec+0x860/0x860 [ 218.836803] ? kasan_check_read+0x11/0x20 [ 218.840929] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 218.846188] io_submit_one+0xa49/0xf80 [ 218.850052] ? io_submit_one+0xa49/0xf80 [ 218.854090] ? aio_poll+0x1420/0x1420 [ 218.857884] ? __might_fault+0x12b/0x1e0 [ 218.861922] ? lock_downgrade+0x900/0x900 [ 218.866050] ? perf_trace_sched_process_exec+0x860/0x860 [ 218.871485] __x64_sys_io_submit+0x1b7/0x580 [ 218.875885] ? __ia32_sys_io_destroy+0x580/0x580 [ 218.880621] ? trace_hardirqs_on+0xbd/0x310 [ 218.884923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.890440] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 218.895800] ? trace_hardirqs_off_caller+0x310/0x310 [ 218.900886] do_syscall_64+0x1b9/0x820 [ 218.904755] ? __ia32_sys_io_destroy+0x580/0x580 [ 218.909490] ? do_syscall_64+0x1b9/0x820 [ 218.913546] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 218.918901] ? syscall_return_slowpath+0x5e0/0x5e0 [ 218.923813] ? trace_hardirqs_on_caller+0x310/0x310 [ 218.928806] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 218.933801] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 218.940445] ? __switch_to_asm+0x40/0x70 [ 218.944485] ? __switch_to_asm+0x34/0x70 [ 218.948602] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 218.953536] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 218.958710] RIP: 0033:0x457679 [ 218.961888] 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 [ 218.980772] RSP: 002b:00007f232f99bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 218.988465] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457679 [ 218.995718] RDX: 0000000020000b00 RSI: 0000000000000001 RDI: 00007f232f9be000 [ 219.002967] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 [ 219.010322] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f232f99c6d4 [ 219.017579] R13: 00000000004be9c4 R14: 00000000004cf5a8 R15: 00000000ffffffff 2018/12/14 07:54:29 executed programs: 103 [ 219.066803] kobject: 'loop0' (00000000922ee701): kobject_uevent_env [ 219.074760] kobject: 'loop0' (00000000922ee701): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 219.088774] kobject: 'loop2' (00000000c1b9fb56): kobject_uevent_env [ 219.095310] kobject: 'loop2' (00000000c1b9fb56): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 219.115583] kobject: 'loop3' (00000000494b1c30): kobject_uevent_env [ 219.123012] kobject: 'loop3' (00000000494b1c30): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 219.135663] kobject: 'loop4' (000000008055d840): kobject_uevent_env [ 219.142110] kobject: 'loop4' (000000008055d840): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 219.155659] kobject: 'loop5' (00000000fabac37a): kobject_uevent_env [ 219.162239] kobject: 'loop5' (00000000fabac37a): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 219.172576] kobject: 'loop1' (000000009d13e99c): kobject_uevent_env [ 219.179592] kobject: 'loop1' (000000009d13e99c): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 220.006956] kobject: 'loop0' (00000000922ee701): kobject_uevent_env [ 220.013766] kobject: 'loop0' (00000000922ee701): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 220.030692] kobject: 'loop2' (00000000c1b9fb56): kobject_uevent_env [ 220.037598] kobject: 'loop2' (00000000c1b9fb56): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 220.056705] kobject: 'loop3' (00000000494b1c30): kobject_uevent_env [ 220.066747] kobject: 'loop3' (00000000494b1c30): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 220.081663] kobject: 'loop4' (000000008055d840): kobject_uevent_env [ 220.092866] kobject: 'loop4' (000000008055d840): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 220.104759] kobject: 'loop5' (00000000fabac37a): kobject_uevent_env [ 220.112617] kobject: 'loop5' (00000000fabac37a): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 220.126306] kobject: 'loop1' (000000009d13e99c): kobject_uevent_env [ 220.132755] kobject: 'loop1' (000000009d13e99c): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 220.936408] kobject: 'loop0' (00000000922ee701): kobject_uevent_env [ 220.942991] kobject: 'loop0' (00000000922ee701): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 220.979146] kobject: 'loop1' (000000009d13e99c): kobject_uevent_env [ 220.996964] kobject: 'loop1' (000000009d13e99c): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 221.008683] kobject: 'loop2' (00000000c1b9fb56): kobject_uevent_env [ 221.015306] kobject: 'loop2' (00000000c1b9fb56): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 221.028119] kobject: 'loop5' (00000000fabac37a): kobject_uevent_env [ 221.039721] kobject: 'loop5' (00000000fabac37a): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 221.049629] kobject: 'loop4' (000000008055d840): kobject_uevent_env [ 221.056115] kobject: 'loop4' (000000008055d840): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 221.066055] kobject: 'loop3' (00000000494b1c30): kobject_uevent_env [ 221.072491] kobject: 'loop3' (00000000494b1c30): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 221.856568] kobject: 'loop1' (000000009d13e99c): kobject_uevent_env [ 221.863348] kobject: 'loop1' (000000009d13e99c): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 221.881104] kobject: 'loop0' (00000000922ee701): kobject_uevent_env [ 221.888039] kobject: 'loop0' (00000000922ee701): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 221.909080] kobject: 'loop5' (00000000fabac37a): kobject_uevent_env [ 221.920425] kobject: 'loop5' (00000000fabac37a): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 221.931393] kobject: 'loop4' (000000008055d840): kobject_uevent_env [ 221.938004] kobject: 'loop4' (000000008055d840): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 221.948805] kobject: 'loop2' (00000000c1b9fb56): kobject_uevent_env [ 221.955667] kobject: 'loop2' (00000000c1b9fb56): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 221.968398] kobject: 'loop3' (00000000494b1c30): kobject_uevent_env [ 221.975350] kobject: 'loop3' (00000000494b1c30): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 222.785936] kobject: 'loop1' (000000009d13e99c): kobject_uevent_env [ 222.793292] kobject: 'loop1' (000000009d13e99c): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 222.807941] kobject: 'loop0' (00000000922ee701): kobject_uevent_env [ 222.816272] kobject: 'loop0' (00000000922ee701): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 222.828576] kobject: 'loop5' (00000000fabac37a): kobject_uevent_env [ 222.835325] kobject: 'loop5' (00000000fabac37a): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 222.854920] kobject: 'loop4' (000000008055d840): kobject_uevent_env [ 222.864663] kobject: 'loop4' (000000008055d840): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 222.877232] kobject: 'loop2' (00000000c1b9fb56): kobject_uevent_env [ 222.883947] kobject: 'loop2' (00000000c1b9fb56): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 222.894893] kobject: 'loop3' (00000000494b1c30): kobject_uevent_env [ 222.901465] kobject: 'loop3' (00000000494b1c30): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 223.736767] kobject: 'loop1' (000000009d13e99c): kobject_uevent_env [ 223.744459] kobject: 'loop1' (000000009d13e99c): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 223.763535] kobject: 'loop0' (00000000922ee701): kobject_uevent_env [ 223.770091] kobject: 'loop0' (00000000922ee701): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 223.781167] kobject: 'loop5' (00000000fabac37a): kobject_uevent_env [ 223.788014] kobject: 'loop5' (00000000fabac37a): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 223.808082] kobject: 'loop2' (00000000c1b9fb56): kobject_uevent_env [ 223.820890] kobject: 'loop2' (00000000c1b9fb56): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 223.832233] kobject: 'loop4' (000000008055d840): kobject_uevent_env [ 223.839127] kobject: 'loop4' (000000008055d840): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 223.849254] kobject: 'loop3' (00000000494b1c30): kobject_uevent_env [ 223.855864] kobject: 'loop3' (00000000494b1c30): fill_kobj_path: path = '/devices/virtual/block/loop3' 2018/12/14 07:54:35 executed programs: 139 [ 224.666429] kobject: 'loop1' (000000009d13e99c): kobject_uevent_env [ 224.674358] kobject: 'loop1' (000000009d13e99c): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 224.689859] kobject: 'loop0' (00000000922ee701): kobject_uevent_env [ 224.697923] kobject: 'loop0' (00000000922ee701): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 224.715399] kobject: 'loop5' (00000000fabac37a): kobject_uevent_env [ 224.721945] kobject: 'loop5' (00000000fabac37a): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 224.739438] kobject: 'loop4' (000000008055d840): kobject_uevent_env [ 224.748458] kobject: 'loop4' (000000008055d840): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 224.758737] kobject: 'loop2' (00000000c1b9fb56): kobject_uevent_env [ 224.765461] kobject: 'loop2' (00000000c1b9fb56): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 224.775969] kobject: 'loop3' (00000000494b1c30): kobject_uevent_env [ 224.782454] kobject: 'loop3' (00000000494b1c30): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 225.607556] kobject: 'loop1' (000000009d13e99c): kobject_uevent_env [ 225.615086] kobject: 'loop1' (000000009d13e99c): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 225.631239] kobject: 'loop0' (00000000922ee701): kobject_uevent_env [ 225.639342] kobject: 'loop0' (00000000922ee701): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 225.656416] kobject: 'loop5' (00000000fabac37a): kobject_uevent_env [ 225.662977] kobject: 'loop5' (00000000fabac37a): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 225.687446] kobject: 'loop4' (000000008055d840): kobject_uevent_env [ 225.694523] kobject: 'loop4' (000000008055d840): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 225.704486] kobject: 'loop3' (00000000494b1c30): kobject_uevent_env [ 225.710957] kobject: 'loop3' (00000000494b1c30): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 225.721206] kobject: 'loop2' (00000000c1b9fb56): kobject_uevent_env [ 225.727690] kobject: 'loop2' (00000000c1b9fb56): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 226.486273] kobject: 'loop1' (000000009d13e99c): kobject_uevent_env [ 226.493868] kobject: 'loop1' (000000009d13e99c): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 226.569656] kobject: 'loop2' (00000000c1b9fb56): kobject_uevent_env [ 226.578142] kobject: 'loop2' (00000000c1b9fb56): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 226.589487] kobject: 'loop0' (00000000922ee701): kobject_uevent_env [ 226.597125] kobject: 'loop0' (00000000922ee701): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 226.608299] kobject: 'loop5' (00000000fabac37a): kobject_uevent_env [ 226.622428] kobject: 'loop5' (00000000fabac37a): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 226.637942] kobject: 'loop3' (00000000494b1c30): kobject_uevent_env [ 226.645041] kobject: 'loop3' (00000000494b1c30): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 226.655609] kobject: 'loop4' (000000008055d840): kobject_uevent_env [ 226.662180] kobject: 'loop4' (000000008055d840): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 227.416597] kobject: 'loop1' (000000009d13e99c): kobject_uevent_env [ 227.423664] kobject: 'loop1' (000000009d13e99c): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 227.495903] kobject: 'loop2' (00000000c1b9fb56): kobject_uevent_env [ 227.502706] kobject: 'loop2' (00000000c1b9fb56): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 227.527850] kobject: 'loop0' (00000000922ee701): kobject_uevent_env [ 227.536815] kobject: 'loop0' (00000000922ee701): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 227.547193] kobject: 'loop3' (00000000494b1c30): kobject_uevent_env [ 227.553802] kobject: 'loop3' (00000000494b1c30): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 227.563855] kobject: 'loop4' (000000008055d840): kobject_uevent_env [ 227.570395] kobject: 'loop4' (000000008055d840): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 227.580342] kobject: 'loop5' (00000000fabac37a): kobject_uevent_env [ 227.586924] kobject: 'loop5' (00000000fabac37a): fill_kobj_path: path = '/devices/virtual/block/loop5'