[....] 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. [ 30.911161] kauditd_printk_skb: 8 callbacks suppressed [ 30.911173] audit: type=1800 audit(1544776207.241:29): pid=5954 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 30.937092] audit: type=1800 audit(1544776207.241:30): pid=5954 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 '10.128.0.22' (ECDSA) to the list of known hosts. 2018/12/14 08:32:18 parsed 1 programs 2018/12/14 08:32:21 executed programs: 0 syzkaller login: [ 164.963853] IPVS: ftp: loaded support on port[0] = 21 [ 164.964230] IPVS: ftp: loaded support on port[0] = 21 [ 164.978800] IPVS: ftp: loaded support on port[0] = 21 [ 165.032552] IPVS: ftp: loaded support on port[0] = 21 [ 165.033479] IPVS: ftp: loaded support on port[0] = 21 [ 165.047919] IPVS: ftp: loaded support on port[0] = 21 [ 166.182019] bridge0: port 1(bridge_slave_0) entered blocking state [ 166.201919] bridge0: port 1(bridge_slave_0) entered disabled state [ 166.213094] device bridge_slave_0 entered promiscuous mode [ 166.247457] bridge0: port 1(bridge_slave_0) entered blocking state [ 166.253935] bridge0: port 1(bridge_slave_0) entered disabled state [ 166.261933] device bridge_slave_0 entered promiscuous mode [ 166.271612] bridge0: port 1(bridge_slave_0) entered blocking state [ 166.286649] bridge0: port 1(bridge_slave_0) entered disabled state [ 166.294081] device bridge_slave_0 entered promiscuous mode [ 166.301755] bridge0: port 1(bridge_slave_0) entered blocking state [ 166.309512] bridge0: port 1(bridge_slave_0) entered disabled state [ 166.317949] device bridge_slave_0 entered promiscuous mode [ 166.338566] bridge0: port 2(bridge_slave_1) entered blocking state [ 166.344962] bridge0: port 2(bridge_slave_1) entered disabled state [ 166.352502] device bridge_slave_1 entered promiscuous mode [ 166.370572] bridge0: port 2(bridge_slave_1) entered blocking state [ 166.378397] bridge0: port 2(bridge_slave_1) entered disabled state [ 166.387780] device bridge_slave_1 entered promiscuous mode [ 166.399547] bridge0: port 2(bridge_slave_1) entered blocking state [ 166.406457] bridge0: port 2(bridge_slave_1) entered disabled state [ 166.413958] device bridge_slave_1 entered promiscuous mode [ 166.425083] bridge0: port 1(bridge_slave_0) entered blocking state [ 166.435741] bridge0: port 1(bridge_slave_0) entered disabled state [ 166.443239] device bridge_slave_0 entered promiscuous mode [ 166.450980] bridge0: port 2(bridge_slave_1) entered blocking state [ 166.461903] bridge0: port 2(bridge_slave_1) entered disabled state [ 166.471791] device bridge_slave_1 entered promiscuous mode [ 166.490302] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 166.501148] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 166.513941] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 166.531125] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 166.542507] bridge0: port 2(bridge_slave_1) entered blocking state [ 166.554799] bridge0: port 2(bridge_slave_1) entered disabled state [ 166.568766] device bridge_slave_1 entered promiscuous mode [ 166.577201] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 166.588361] bridge0: port 1(bridge_slave_0) entered blocking state [ 166.598798] bridge0: port 1(bridge_slave_0) entered disabled state [ 166.608186] device bridge_slave_0 entered promiscuous mode [ 166.616049] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 166.624982] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 166.639029] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 166.691900] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 166.708932] bridge0: port 2(bridge_slave_1) entered blocking state [ 166.715360] bridge0: port 2(bridge_slave_1) entered disabled state [ 166.730528] device bridge_slave_1 entered promiscuous mode [ 166.759381] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 166.791964] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 166.819152] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 166.854705] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 166.887108] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 166.908970] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 166.942247] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 166.954764] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 166.991985] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 167.008054] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 167.017358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 167.031614] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 167.048586] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 167.064096] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 167.121186] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 167.128585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 167.139947] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 167.160827] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 167.175927] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 167.196887] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 167.240587] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 167.338629] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 167.353936] team0: Port device team_slave_0 added [ 167.427050] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 167.436436] team0: Port device team_slave_1 added [ 167.445248] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 167.457518] team0: Port device team_slave_0 added [ 167.481527] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 167.493217] team0: Port device team_slave_0 added [ 167.501000] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 167.516405] team0: Port device team_slave_0 added [ 167.556601] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 167.567586] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 167.574973] team0: Port device team_slave_1 added [ 167.598788] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 167.607278] team0: Port device team_slave_1 added [ 167.620881] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 167.636236] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 167.643560] team0: Port device team_slave_1 added [ 167.658363] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 167.666691] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 167.674290] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 167.692503] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 167.704797] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 167.712160] team0: Port device team_slave_0 added [ 167.729431] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 167.744216] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 167.759289] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 167.767963] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 167.775323] team0: Port device team_slave_0 added [ 167.785905] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 167.797927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 167.807527] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 167.817901] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 167.827348] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 167.838126] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 167.849027] team0: Port device team_slave_1 added [ 167.862403] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 167.876436] team0: Port device team_slave_1 added [ 167.881527] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 167.898099] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 167.905903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 167.913689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 167.923334] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 167.937645] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 167.948142] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 167.956860] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 167.965042] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 167.975367] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 167.998287] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 168.006133] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 168.013755] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 168.023630] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 168.034007] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 168.044576] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 168.055194] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 168.062132] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 168.072444] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 168.081897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 168.094647] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 168.102521] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 168.110691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 168.118582] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 168.126409] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 168.135777] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 168.150392] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 168.161064] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 168.170185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 168.186463] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 168.194340] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 168.206956] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 168.216185] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 168.224116] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 168.236323] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 168.246605] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 168.256186] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 168.274046] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 168.298248] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 168.308968] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 168.327950] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 168.347535] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 168.360959] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 168.386531] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 168.395866] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 168.403858] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 168.837472] bridge0: port 2(bridge_slave_1) entered blocking state [ 168.843977] bridge0: port 2(bridge_slave_1) entered forwarding state [ 168.850999] bridge0: port 1(bridge_slave_0) entered blocking state [ 168.857454] bridge0: port 1(bridge_slave_0) entered forwarding state [ 168.874262] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 168.980623] bridge0: port 2(bridge_slave_1) entered blocking state [ 168.987038] bridge0: port 2(bridge_slave_1) entered forwarding state [ 168.993679] bridge0: port 1(bridge_slave_0) entered blocking state [ 169.000101] bridge0: port 1(bridge_slave_0) entered forwarding state [ 169.022692] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 169.039395] bridge0: port 2(bridge_slave_1) entered blocking state [ 169.045791] bridge0: port 2(bridge_slave_1) entered forwarding state [ 169.052453] bridge0: port 1(bridge_slave_0) entered blocking state [ 169.058883] bridge0: port 1(bridge_slave_0) entered forwarding state [ 169.070866] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 169.157180] bridge0: port 2(bridge_slave_1) entered blocking state [ 169.163552] bridge0: port 2(bridge_slave_1) entered forwarding state [ 169.170270] bridge0: port 1(bridge_slave_0) entered blocking state [ 169.176676] bridge0: port 1(bridge_slave_0) entered forwarding state [ 169.200824] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 169.212121] bridge0: port 2(bridge_slave_1) entered blocking state [ 169.218543] bridge0: port 2(bridge_slave_1) entered forwarding state [ 169.225194] bridge0: port 1(bridge_slave_0) entered blocking state [ 169.231585] bridge0: port 1(bridge_slave_0) entered forwarding state [ 169.239537] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 169.255986] bridge0: port 2(bridge_slave_1) entered blocking state [ 169.262353] bridge0: port 2(bridge_slave_1) entered forwarding state [ 169.269071] bridge0: port 1(bridge_slave_0) entered blocking state [ 169.275437] bridge0: port 1(bridge_slave_0) entered forwarding state [ 169.309605] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 169.857000] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 169.864658] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 169.885371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 169.893855] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 169.901134] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 169.908784] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 171.895042] 8021q: adding VLAN 0 to HW filter on device bond0 [ 171.932029] 8021q: adding VLAN 0 to HW filter on device bond0 [ 171.962005] 8021q: adding VLAN 0 to HW filter on device bond0 [ 172.037534] 8021q: adding VLAN 0 to HW filter on device bond0 [ 172.176714] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 172.207703] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 172.224814] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 172.292464] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 172.307474] 8021q: adding VLAN 0 to HW filter on device bond0 [ 172.354367] 8021q: adding VLAN 0 to HW filter on device bond0 [ 172.461995] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 172.479044] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 172.489561] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 172.507259] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 172.516447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 172.523562] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 172.538501] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 172.545844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 172.560098] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 172.590901] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 172.659343] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 172.680080] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 172.693302] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 172.709543] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 172.794707] 8021q: adding VLAN 0 to HW filter on device team0 [ 172.820896] 8021q: adding VLAN 0 to HW filter on device team0 [ 172.859157] 8021q: adding VLAN 0 to HW filter on device team0 [ 172.904298] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 172.910615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 172.918325] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 172.946245] 8021q: adding VLAN 0 to HW filter on device team0 [ 173.019248] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 173.028956] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 173.037538] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 173.192301] 8021q: adding VLAN 0 to HW filter on device team0 [ 173.331739] 8021q: adding VLAN 0 to HW filter on device team0 2018/12/14 08:32:31 executed programs: 6 2018/12/14 08:32:36 executed programs: 41 2018/12/14 08:32:41 executed programs: 72 2018/12/14 08:32:47 executed programs: 107 2018/12/14 08:32:52 executed programs: 138 2018/12/14 08:32:57 executed programs: 172 2018/12/14 08:33:02 executed programs: 204 2018/12/14 08:33:07 executed programs: 238 2018/12/14 08:33:12 executed programs: 270 2018/12/14 08:33:17 executed programs: 304 [ 225.532859] [ 225.534695] ===================================================== [ 225.540916] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 225.547776] 4.20.0-rc6+ #151 Not tainted [ 225.551816] ----------------------------------------------------- [ 225.558154] syz-executor0/9326 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 225.565331] 00000000f5ba66b5 (&ctx->fd_wqh){....}, at: aio_poll+0x760/0x1420 [ 225.572513] [ 225.572513] and this task is already holding: [ 225.578571] 0000000055ebe4de (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll+0x738/0x1420 [ 225.586950] which would create a new lock dependency: [ 225.592137] (&(&ctx->ctx_lock)->rlock){..-.} -> (&ctx->fd_wqh){....} [ 225.598852] [ 225.598852] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 225.606890] (&(&ctx->ctx_lock)->rlock){..-.} [ 225.606897] [ 225.606897] ... which became SOFTIRQ-irq-safe at: [ 225.617680] lock_acquire+0x1ed/0x520 [ 225.621677] _raw_spin_lock_irq+0x61/0x80 [ 225.625895] free_ioctx_users+0xbc/0x710 [ 225.630023] percpu_ref_switch_to_atomic_rcu+0x563/0x730 [ 225.635539] rcu_process_callbacks+0x100a/0x1ac0 [ 225.640369] __do_softirq+0x308/0xb7e [ 225.644394] irq_exit+0x17f/0x1c0 [ 225.647918] smp_apic_timer_interrupt+0x1cb/0x760 [ 225.652858] apic_timer_interrupt+0xf/0x20 [ 225.657177] native_safe_halt+0x6/0x10 [ 225.661256] default_idle+0xbf/0x490 [ 225.665238] arch_cpu_idle+0x10/0x20 [ 225.669024] default_idle_call+0x6d/0x90 [ 225.673179] do_idle+0x49b/0x5c0 [ 225.676620] cpu_startup_entry+0x18/0x20 [ 225.680806] rest_init+0x243/0x372 [ 225.684580] arch_call_rest_init+0xe/0x1b [ 225.688801] start_kernel+0x9f5/0xa30 [ 225.692670] x86_64_start_reservations+0x29/0x2b [ 225.697497] x86_64_start_kernel+0x76/0x79 [ 225.701983] secondary_startup_64+0xa4/0xb0 [ 225.706372] [ 225.706372] to a SOFTIRQ-irq-unsafe lock: [ 225.711974] (&ctx->fault_pending_wqh){+.+.} [ 225.711980] [ 225.711980] ... which became SOFTIRQ-irq-unsafe at: [ 225.722826] ... [ 225.722845] lock_acquire+0x1ed/0x520 [ 225.728583] _raw_spin_lock+0x2d/0x40 [ 225.732452] userfaultfd_release+0x63e/0x8d0 [ 225.736945] __fput+0x385/0xa30 [ 225.740291] ____fput+0x15/0x20 [ 225.743667] task_work_run+0x1e8/0x2a0 [ 225.747734] exit_to_usermode_loop+0x318/0x380 [ 225.752397] do_syscall_64+0x6be/0x820 [ 225.756352] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 225.761605] [ 225.761605] other info that might help us debug this: [ 225.761605] [ 225.769735] Chain exists of: [ 225.769735] &(&ctx->ctx_lock)->rlock --> &ctx->fd_wqh --> &ctx->fault_pending_wqh [ 225.769735] [ 225.781987] Possible interrupt unsafe locking scenario: [ 225.781987] [ 225.788992] CPU0 CPU1 [ 225.793636] ---- ---- [ 225.798378] lock(&ctx->fault_pending_wqh); [ 225.802812] local_irq_disable(); [ 225.808854] lock(&(&ctx->ctx_lock)->rlock); [ 225.815858] lock(&ctx->fd_wqh); [ 225.821816] [ 225.824546] lock(&(&ctx->ctx_lock)->rlock); [ 225.829208] [ 225.829208] *** DEADLOCK *** [ 225.829208] [ 225.835272] 1 lock held by syz-executor0/9326: [ 225.839947] #0: 0000000055ebe4de (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll+0x738/0x1420 [ 225.848611] [ 225.848611] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 225.857761] -> (&(&ctx->ctx_lock)->rlock){..-.} { [ 225.862591] IN-SOFTIRQ-W at: [ 225.865995] lock_acquire+0x1ed/0x520 [ 225.871431] _raw_spin_lock_irq+0x61/0x80 [ 225.877219] free_ioctx_users+0xbc/0x710 [ 225.883027] percpu_ref_switch_to_atomic_rcu+0x563/0x730 [ 225.890131] rcu_process_callbacks+0x100a/0x1ac0 [ 225.896661] __do_softirq+0x308/0xb7e [ 225.902110] irq_exit+0x17f/0x1c0 [ 225.907329] smp_apic_timer_interrupt+0x1cb/0x760 [ 225.913808] apic_timer_interrupt+0xf/0x20 [ 225.919807] native_safe_halt+0x6/0x10 [ 225.925345] default_idle+0xbf/0x490 [ 225.930710] arch_cpu_idle+0x10/0x20 [ 225.936059] default_idle_call+0x6d/0x90 [ 225.941755] do_idle+0x49b/0x5c0 [ 225.946755] cpu_startup_entry+0x18/0x20 [ 225.952680] rest_init+0x243/0x372 [ 225.957869] arch_call_rest_init+0xe/0x1b [ 225.963649] start_kernel+0x9f5/0xa30 [ 225.969081] x86_64_start_reservations+0x29/0x2b [ 225.975467] x86_64_start_kernel+0x76/0x79 [ 225.981348] secondary_startup_64+0xa4/0xb0 [ 225.987294] INITIAL USE at: [ 225.990470] lock_acquire+0x1ed/0x520 [ 225.995930] _raw_spin_lock_irq+0x61/0x80 [ 226.001622] free_ioctx_users+0xbc/0x710 [ 226.007503] percpu_ref_switch_to_atomic_rcu+0x563/0x730 [ 226.014619] rcu_process_callbacks+0x100a/0x1ac0 [ 226.021052] __do_softirq+0x308/0xb7e [ 226.026400] irq_exit+0x17f/0x1c0 [ 226.031398] smp_apic_timer_interrupt+0x1cb/0x760 [ 226.037803] apic_timer_interrupt+0xf/0x20 [ 226.043593] native_safe_halt+0x6/0x10 [ 226.049116] default_idle+0xbf/0x490 [ 226.054378] arch_cpu_idle+0x10/0x20 [ 226.059745] default_idle_call+0x6d/0x90 [ 226.065385] do_idle+0x49b/0x5c0 [ 226.070302] cpu_startup_entry+0x18/0x20 [ 226.075910] rest_init+0x243/0x372 [ 226.081108] arch_call_rest_init+0xe/0x1b [ 226.086803] start_kernel+0x9f5/0xa30 [ 226.092274] x86_64_start_reservations+0x29/0x2b [ 226.098578] x86_64_start_kernel+0x76/0x79 [ 226.104358] secondary_startup_64+0xa4/0xb0 [ 226.110217] } [ 226.112001] ... key at: [] __key.51068+0x0/0x40 [ 226.118821] ... acquired at: [ 226.121942] lock_acquire+0x1ed/0x520 [ 226.125988] _raw_spin_lock+0x2d/0x40 [ 226.129963] aio_poll+0x760/0x1420 [ 226.133658] io_submit_one+0xa49/0xf80 [ 226.137703] __x64_sys_io_submit+0x1b7/0x580 [ 226.142273] do_syscall_64+0x1b9/0x820 [ 226.146317] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 226.151674] [ 226.153281] [ 226.153281] the dependencies between the lock to be acquired [ 226.153284] and SOFTIRQ-irq-unsafe lock: [ 226.164731] -> (&ctx->fault_pending_wqh){+.+.} { [ 226.169621] HARDIRQ-ON-W at: [ 226.173000] lock_acquire+0x1ed/0x520 [ 226.178612] _raw_spin_lock+0x2d/0x40 [ 226.184306] userfaultfd_release+0x63e/0x8d0 [ 226.190544] __fput+0x385/0xa30 [ 226.195628] ____fput+0x15/0x20 [ 226.200732] task_work_run+0x1e8/0x2a0 [ 226.206429] exit_to_usermode_loop+0x318/0x380 [ 226.212829] do_syscall_64+0x6be/0x820 [ 226.218530] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 226.225523] SOFTIRQ-ON-W at: [ 226.228901] lock_acquire+0x1ed/0x520 [ 226.234517] _raw_spin_lock+0x2d/0x40 [ 226.240137] userfaultfd_release+0x63e/0x8d0 [ 226.246375] __fput+0x385/0xa30 [ 226.251460] ____fput+0x15/0x20 [ 226.256555] task_work_run+0x1e8/0x2a0 [ 226.262453] exit_to_usermode_loop+0x318/0x380 [ 226.268873] do_syscall_64+0x6be/0x820 [ 226.274571] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 226.281750] INITIAL USE at: [ 226.285019] lock_acquire+0x1ed/0x520 [ 226.290688] _raw_spin_lock+0x2d/0x40 [ 226.296222] userfaultfd_ctx_read+0x4f3/0x2180 [ 226.302523] userfaultfd_read+0x1e2/0x2c0 [ 226.308394] __vfs_read+0x117/0x9b0 [ 226.313741] vfs_read+0x17f/0x3c0 [ 226.318916] ksys_read+0x101/0x260 [ 226.324542] __x64_sys_read+0x73/0xb0 [ 226.330068] do_syscall_64+0x1b9/0x820 [ 226.335680] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 226.342586] } [ 226.344480] ... key at: [] __key.44676+0x0/0x40 [ 226.351418] ... acquired at: [ 226.354600] _raw_spin_lock+0x2d/0x40 [ 226.358563] userfaultfd_ctx_read+0x4f3/0x2180 [ 226.363297] userfaultfd_read+0x1e2/0x2c0 [ 226.367691] __vfs_read+0x117/0x9b0 [ 226.371598] vfs_read+0x17f/0x3c0 [ 226.375217] ksys_read+0x101/0x260 [ 226.378918] __x64_sys_read+0x73/0xb0 [ 226.382890] do_syscall_64+0x1b9/0x820 [ 226.386940] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 226.392389] [ 226.393997] -> (&ctx->fd_wqh){....} { [ 226.397796] INITIAL USE at: [ 226.400992] lock_acquire+0x1ed/0x520 [ 226.406339] _raw_spin_lock_irq+0x61/0x80 [ 226.412033] userfaultfd_ctx_read+0x2e4/0x2180 [ 226.418161] userfaultfd_read+0x1e2/0x2c0 [ 226.423978] __vfs_read+0x117/0x9b0 [ 226.429146] vfs_read+0x17f/0x3c0 [ 226.434142] ksys_read+0x101/0x260 [ 226.439236] __x64_sys_read+0x73/0xb0 [ 226.444591] do_syscall_64+0x1b9/0x820 [ 226.450024] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 226.456897] } [ 226.458795] ... key at: [] __key.44679+0x0/0x40 [ 226.465811] ... acquired at: [ 226.468905] lock_acquire+0x1ed/0x520 [ 226.472874] _raw_spin_lock+0x2d/0x40 [ 226.476827] aio_poll+0x760/0x1420 [ 226.480646] io_submit_one+0xa49/0xf80 [ 226.484694] __x64_sys_io_submit+0x1b7/0x580 [ 226.489259] do_syscall_64+0x1b9/0x820 [ 226.493304] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 226.498642] [ 226.500246] [ 226.500246] stack backtrace: [ 226.504741] CPU: 1 PID: 9326 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #151 [ 226.512210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 226.521572] Call Trace: [ 226.524159] dump_stack+0x244/0x39d [ 226.527785] ? dump_stack_print_info.cold.1+0x20/0x20 [ 226.533126] ? print_shortest_lock_dependencies.cold.55+0x18e/0x211 [ 226.539525] ? vprintk_func+0x85/0x181 [ 226.543412] check_usage.cold.58+0x6d5/0xad1 [ 226.547817] ? check_usage_forwards+0x3d0/0x3d0 [ 226.552470] ? __lock_acquire+0x62f/0x4c20 [ 226.556689] ? __switch_to_asm+0x34/0x70 [ 226.560733] ? lockdep_on+0x50/0x50 [ 226.564345] ? mark_held_locks+0x130/0x130 [ 226.568571] ? __lock_acquire+0x62f/0x4c20 [ 226.572797] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 226.578668] __lock_acquire+0x238a/0x4c20 [ 226.582807] ? __lock_acquire+0x238a/0x4c20 [ 226.587115] ? mark_held_locks+0x130/0x130 [ 226.591463] ? zap_class+0x640/0x640 [ 226.595176] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 226.600293] ? find_held_lock+0x36/0x1c0 [ 226.604348] ? add_wait_queue+0x1b9/0x2b0 [ 226.608624] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 226.613811] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 226.619068] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 226.623635] ? trace_hardirqs_on+0xbd/0x310 [ 226.628061] ? kasan_check_read+0x11/0x20 [ 226.632220] ? add_wait_queue+0x1b9/0x2b0 [ 226.636354] ? trace_hardirqs_off_caller+0x310/0x310 [ 226.641564] ? rcu_softirq_qs+0x20/0x20 [ 226.645523] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 226.650717] ? add_wait_queue+0x1b9/0x2b0 [ 226.654858] ? __wake_up_locked_key_bookmark+0x20/0x20 [ 226.660129] lock_acquire+0x1ed/0x520 [ 226.663918] ? aio_poll+0x760/0x1420 [ 226.667619] ? lock_release+0xa00/0xa00 [ 226.671589] ? kasan_check_read+0x11/0x20 [ 226.675722] ? do_raw_spin_lock+0x14f/0x350 [ 226.680042] ? __ia32_sys_eventfd+0x40/0x40 [ 226.684376] ? rwlock_bug.part.2+0x90/0x90 [ 226.688614] ? trace_hardirqs_on+0x310/0x310 [ 226.693016] ? __save_stack_trace+0x8d/0xf0 [ 226.697360] _raw_spin_lock+0x2d/0x40 [ 226.701218] ? aio_poll+0x760/0x1420 [ 226.705043] aio_poll+0x760/0x1420 [ 226.708570] ? free_ioctx_users+0x710/0x710 [ 226.713002] ? kmem_cache_alloc+0x12e/0x730 [ 226.717309] ? aio_setup_rw+0x170/0x170 [ 226.721282] ? zap_class+0x640/0x640 [ 226.724982] ? mark_held_locks+0x130/0x130 [ 226.729361] ? zap_class+0x640/0x640 [ 226.733183] ? find_held_lock+0x36/0x1c0 [ 226.737238] ? find_held_lock+0x36/0x1c0 [ 226.741292] ? __might_fault+0x12b/0x1e0 [ 226.745363] ? lock_downgrade+0x900/0x900 [ 226.749513] ? lock_release+0xa00/0xa00 [ 226.753478] ? perf_trace_sched_process_exec+0x860/0x860 [ 226.758917] ? kasan_check_read+0x11/0x20 [ 226.763058] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 226.768442] io_submit_one+0xa49/0xf80 [ 226.772401] ? io_submit_one+0xa49/0xf80 [ 226.776453] ? aio_poll+0x1420/0x1420 [ 226.780239] ? __might_fault+0x12b/0x1e0 [ 226.784286] ? lock_downgrade+0x900/0x900 [ 226.788417] ? perf_trace_sched_process_exec+0x860/0x860 [ 226.793992] __x64_sys_io_submit+0x1b7/0x580 [ 226.798384] ? __ia32_sys_io_destroy+0x580/0x580 [ 226.803122] ? trace_hardirqs_on+0xbd/0x310 [ 226.807437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.812968] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 226.818318] ? trace_hardirqs_off_caller+0x310/0x310 [ 226.823526] do_syscall_64+0x1b9/0x820 [ 226.827399] ? __ia32_sys_io_destroy+0x580/0x580 [ 226.832139] ? do_syscall_64+0x1b9/0x820 [ 226.836290] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 226.841643] ? syscall_return_slowpath+0x5e0/0x5e0 [ 226.846563] ? trace_hardirqs_on_caller+0x310/0x310 [ 226.851566] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 226.856570] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 226.863228] ? __switch_to_asm+0x40/0x70 [ 226.867268] ? __switch_to_asm+0x34/0x70 [ 226.871316] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.876147] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 226.881320] RIP: 0033:0x457679 [ 226.884496] 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 [ 226.903507] RSP: 002b:00007f9af3ff4c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 226.911222] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457679 [ 226.918487] RDX: 0000000020000b00 RSI: 0000000000000001 RDI: 00007f9af4017000 [ 226.925770] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 [ 226.933038] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9af3ff56d4 [ 226.940303] R13: 00000000004be9c4 R14: 00000000004cf5a8 R15: 00000000ffffffff 2018/12/14 08:33:23 executed programs: 330 [ 227.028096] kobject: 'loop3' (000000003ac54668): kobject_uevent_env [ 227.035765] kobject: 'loop3' (000000003ac54668): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 227.046540] kobject: 'loop0' (00000000d23b496c): kobject_uevent_env [ 227.053655] kobject: 'loop0' (00000000d23b496c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 227.064112] kobject: 'loop5' (0000000067a3fd65): kobject_uevent_env [ 227.077125] kobject: 'loop5' (0000000067a3fd65): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 227.088725] kobject: 'loop1' (000000007b333372): kobject_uevent_env [ 227.100673] kobject: 'loop1' (000000007b333372): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 227.111310] kobject: 'loop4' (000000003dee00ee): kobject_uevent_env [ 227.117829] kobject: 'loop4' (000000003dee00ee): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 227.127959] kobject: 'loop2' (00000000ac727086): kobject_uevent_env [ 227.134522] kobject: 'loop2' (00000000ac727086): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 227.938767] kobject: 'loop5' (0000000067a3fd65): kobject_uevent_env [ 227.945472] kobject: 'loop5' (0000000067a3fd65): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 227.963810] kobject: 'loop0' (00000000d23b496c): kobject_uevent_env [ 227.976395] kobject: 'loop0' (00000000d23b496c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 227.986781] kobject: 'loop3' (000000003ac54668): kobject_uevent_env [ 227.994279] kobject: 'loop3' (000000003ac54668): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 228.006259] kobject: 'loop1' (000000007b333372): kobject_uevent_env [ 228.013310] kobject: 'loop1' (000000007b333372): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 228.023938] kobject: 'loop4' (000000003dee00ee): kobject_uevent_env [ 228.030652] kobject: 'loop4' (000000003dee00ee): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 228.040664] kobject: 'loop2' (00000000ac727086): kobject_uevent_env [ 228.047154] kobject: 'loop2' (00000000ac727086): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 228.869028] kobject: 'loop5' (0000000067a3fd65): kobject_uevent_env [ 228.876435] kobject: 'loop5' (0000000067a3fd65): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 228.890664] kobject: 'loop3' (000000003ac54668): kobject_uevent_env [ 228.911462] kobject: 'loop3' (000000003ac54668): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 228.937154] kobject: 'loop0' (00000000d23b496c): kobject_uevent_env [ 228.943853] kobject: 'loop0' (00000000d23b496c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 228.953968] kobject: 'loop1' (000000007b333372): kobject_uevent_env [ 228.961093] kobject: 'loop1' (000000007b333372): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 228.972088] kobject: 'loop2' (00000000ac727086): kobject_uevent_env [ 228.981128] kobject: 'loop2' (00000000ac727086): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 228.994620] kobject: 'loop4' (000000003dee00ee): kobject_uevent_env [ 229.001489] kobject: 'loop4' (000000003dee00ee): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 229.798839] kobject: 'loop5' (0000000067a3fd65): kobject_uevent_env [ 229.805432] kobject: 'loop5' (0000000067a3fd65): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 229.831531] kobject: 'loop0' (00000000d23b496c): kobject_uevent_env [ 229.839994] kobject: 'loop0' (00000000d23b496c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 229.852851] kobject: 'loop3' (000000003ac54668): kobject_uevent_env [ 229.859495] kobject: 'loop3' (000000003ac54668): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 229.874674] kobject: 'loop2' (00000000ac727086): kobject_uevent_env [ 229.882269] kobject: 'loop2' (00000000ac727086): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 229.892599] kobject: 'loop1' (000000007b333372): kobject_uevent_env [ 229.899398] kobject: 'loop1' (000000007b333372): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 229.909583] kobject: 'loop4' (000000003dee00ee): kobject_uevent_env [ 229.916333] kobject: 'loop4' (000000003dee00ee): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 230.719821] kobject: 'loop0' (00000000d23b496c): kobject_uevent_env [ 230.727609] kobject: 'loop0' (00000000d23b496c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 230.743183] kobject: 'loop5' (0000000067a3fd65): kobject_uevent_env [ 230.751440] kobject: 'loop5' (0000000067a3fd65): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 230.768919] kobject: 'loop3' (000000003ac54668): kobject_uevent_env [ 230.777805] kobject: 'loop3' (000000003ac54668): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 230.792801] kobject: 'loop4' (000000003dee00ee): kobject_uevent_env [ 230.800322] kobject: 'loop4' (000000003dee00ee): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 230.814483] kobject: 'loop2' (00000000ac727086): kobject_uevent_env [ 230.821270] kobject: 'loop2' (00000000ac727086): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 230.832044] kobject: 'loop1' (000000007b333372): kobject_uevent_env [ 230.839438] kobject: 'loop1' (000000007b333372): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 231.649723] kobject: 'loop0' (00000000d23b496c): kobject_uevent_env [ 231.657260] kobject: 'loop0' (00000000d23b496c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 231.680502] kobject: 'loop5' (0000000067a3fd65): kobject_uevent_env [ 231.688860] kobject: 'loop5' (0000000067a3fd65): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 231.709689] kobject: 'loop4' (000000003dee00ee): kobject_uevent_env [ 231.732184] kobject: 'loop4' (000000003dee00ee): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 231.742397] kobject: 'loop1' (000000007b333372): kobject_uevent_env [ 231.748872] kobject: 'loop1' (000000007b333372): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 231.759589] kobject: 'loop3' (000000003ac54668): kobject_uevent_env [ 231.766068] kobject: 'loop3' (000000003ac54668): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 231.777253] kobject: 'loop2' (00000000ac727086): kobject_uevent_env [ 231.783715] kobject: 'loop2' (00000000ac727086): fill_kobj_path: path = '/devices/virtual/block/loop2' 2018/12/14 08:33:28 executed programs: 366 [ 232.589372] kobject: 'loop0' (00000000d23b496c): kobject_uevent_env [ 232.598106] kobject: 'loop0' (00000000d23b496c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 232.627807] kobject: 'loop4' (000000003dee00ee): kobject_uevent_env [ 232.635177] kobject: 'loop4' (000000003dee00ee): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 232.646436] kobject: 'loop5' (0000000067a3fd65): kobject_uevent_env [ 232.652963] kobject: 'loop5' (0000000067a3fd65): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 232.663220] kobject: 'loop3' (000000003ac54668): kobject_uevent_env [ 232.669824] kobject: 'loop3' (000000003ac54668): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 232.679899] kobject: 'loop1' (000000007b333372): kobject_uevent_env [ 232.686520] kobject: 'loop1' (000000007b333372): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 232.697468] kobject: 'loop2' (00000000ac727086): kobject_uevent_env [ 232.704605] kobject: 'loop2' (00000000ac727086): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 233.519528] kobject: 'loop0' (00000000d23b496c): kobject_uevent_env [ 233.526620] kobject: 'loop0' (00000000d23b496c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 233.549525] kobject: 'loop4' (000000003dee00ee): kobject_uevent_env [ 233.562820] kobject: 'loop4' (000000003dee00ee): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 233.574064] kobject: 'loop5' (0000000067a3fd65): kobject_uevent_env [ 233.592310] kobject: 'loop5' (0000000067a3fd65): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 233.602466] kobject: 'loop1' (000000007b333372): kobject_uevent_env [ 233.609793] kobject: 'loop1' (000000007b333372): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 233.620585] kobject: 'loop2' (00000000ac727086): kobject_uevent_env [ 233.632161] kobject: 'loop2' (00000000ac727086): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 233.642011] kobject: 'loop3' (000000003ac54668): kobject_uevent_env [ 233.648487] kobject: 'loop3' (000000003ac54668): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 234.448504] kobject: 'loop0' (00000000d23b496c): kobject_uevent_env [ 234.455769] kobject: 'loop0' (00000000d23b496c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 234.496830] kobject: 'loop5' (0000000067a3fd65): kobject_uevent_env [ 234.503250] kobject: 'loop5' (0000000067a3fd65): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 234.514176] kobject: 'loop4' (000000003dee00ee): kobject_uevent_env [ 234.521068] kobject: 'loop4' (000000003dee00ee): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 234.531560] kobject: 'loop1' (000000007b333372): kobject_uevent_env [ 234.539145] kobject: 'loop1' (000000007b333372): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 234.549441] kobject: 'loop2' (00000000ac727086): kobject_uevent_env [ 234.555936] kobject: 'loop2' (00000000ac727086): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 234.571147] kobject: 'loop3' (000000003ac54668): kobject_uevent_env [ 234.577752] kobject: 'loop3' (000000003ac54668): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 235.379039] kobject: 'loop0' (00000000d23b496c): kobject_uevent_env [ 235.387136] kobject: 'loop0' (00000000d23b496c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 235.419997] kobject: 'loop4' (000000003dee00ee): kobject_uevent_env [ 235.426590] kobject: 'loop4' (000000003dee00ee): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 235.456690] kobject: 'loop1' (000000007b333372): kobject_uevent_env [ 235.466274] kobject: 'loop1' (000000007b333372): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 235.476564] kobject: 'loop5' (0000000067a3fd65): kobject_uevent_env [ 235.483074] kobject: 'loop5' (0000000067a3fd65): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 235.493020] kobject: 'loop2' (00000000ac727086): kobject_uevent_env [ 235.499929] kobject: 'loop2' (00000000ac727086): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 235.509823] kobject: 'loop3' (000000003ac54668): kobject_uevent_env [ 235.516490] kobject: 'loop3' (000000003ac54668): fill_kobj_path: path = '/devices/virtual/block/loop3'