[....] 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. [ 28.617928] kauditd_printk_skb: 7 callbacks suppressed [ 28.617940] audit: type=1800 audit(1543241120.932:29): pid=5868 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 [ 28.650602] audit: type=1800 audit(1543241120.932:30): pid=5868 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 syzkaller login: [ 33.657509] sshd (6007) used greatest stack depth: 15744 bytes left Warning: Permanently added '10.128.0.89' (ECDSA) to the list of known hosts. 2018/11/26 14:07:27 parsed 1 programs 2018/11/26 14:07:29 executed programs: 0 [ 157.648397] IPVS: ftp: loaded support on port[0] = 21 [ 157.653266] IPVS: ftp: loaded support on port[0] = 21 [ 157.667388] IPVS: ftp: loaded support on port[0] = 21 [ 157.669750] IPVS: ftp: loaded support on port[0] = 21 [ 157.686053] IPVS: ftp: loaded support on port[0] = 21 [ 157.689814] IPVS: ftp: loaded support on port[0] = 21 [ 158.778518] bridge0: port 1(bridge_slave_0) entered blocking state [ 158.789536] bridge0: port 1(bridge_slave_0) entered disabled state [ 158.802729] device bridge_slave_0 entered promiscuous mode [ 158.888708] bridge0: port 2(bridge_slave_1) entered blocking state [ 158.900549] bridge0: port 2(bridge_slave_1) entered disabled state [ 158.908698] device bridge_slave_1 entered promiscuous mode [ 158.927488] bridge0: port 1(bridge_slave_0) entered blocking state [ 158.937092] bridge0: port 1(bridge_slave_0) entered disabled state [ 158.945521] device bridge_slave_0 entered promiscuous mode [ 158.955008] bridge0: port 1(bridge_slave_0) entered blocking state [ 158.961371] bridge0: port 1(bridge_slave_0) entered disabled state [ 158.971205] device bridge_slave_0 entered promiscuous mode [ 158.979572] bridge0: port 1(bridge_slave_0) entered blocking state [ 158.989299] bridge0: port 1(bridge_slave_0) entered disabled state [ 158.996823] device bridge_slave_0 entered promiscuous mode [ 159.009615] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 159.018364] bridge0: port 1(bridge_slave_0) entered blocking state [ 159.027264] bridge0: port 1(bridge_slave_0) entered disabled state [ 159.035146] device bridge_slave_0 entered promiscuous mode [ 159.044676] bridge0: port 1(bridge_slave_0) entered blocking state [ 159.051597] bridge0: port 1(bridge_slave_0) entered disabled state [ 159.060108] device bridge_slave_0 entered promiscuous mode [ 159.069432] bridge0: port 2(bridge_slave_1) entered blocking state [ 159.076348] bridge0: port 2(bridge_slave_1) entered disabled state [ 159.084087] device bridge_slave_1 entered promiscuous mode [ 159.096109] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 159.104899] bridge0: port 2(bridge_slave_1) entered blocking state [ 159.113596] bridge0: port 2(bridge_slave_1) entered disabled state [ 159.121007] device bridge_slave_1 entered promiscuous mode [ 159.129545] bridge0: port 2(bridge_slave_1) entered blocking state [ 159.137623] bridge0: port 2(bridge_slave_1) entered disabled state [ 159.145643] device bridge_slave_1 entered promiscuous mode [ 159.152139] bridge0: port 2(bridge_slave_1) entered blocking state [ 159.159719] bridge0: port 2(bridge_slave_1) entered disabled state [ 159.167220] device bridge_slave_1 entered promiscuous mode [ 159.175663] bridge0: port 2(bridge_slave_1) entered blocking state [ 159.182032] bridge0: port 2(bridge_slave_1) entered disabled state [ 159.190183] device bridge_slave_1 entered promiscuous mode [ 159.207042] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 159.218205] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 159.230468] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 159.250764] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 159.284607] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 159.293951] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 159.308161] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 159.317778] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 159.336224] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 159.355933] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 159.389741] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 159.492104] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 159.531977] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 159.561897] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 159.589574] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 159.604211] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 159.614728] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 159.626132] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 159.645095] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 159.667094] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 159.685697] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 159.700325] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 159.714454] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 159.723427] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 159.741257] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 159.757446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 159.773033] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 159.784024] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 159.799648] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 159.820367] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 159.832180] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 159.843479] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 159.853551] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 159.863952] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 159.890160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 159.903432] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 159.975812] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 159.984373] team0: Port device team_slave_0 added [ 160.052389] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 160.064520] team0: Port device team_slave_1 added [ 160.123209] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 160.130954] team0: Port device team_slave_0 added [ 160.148454] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 160.163784] team0: Port device team_slave_0 added [ 160.171580] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 160.180217] team0: Port device team_slave_0 added [ 160.208982] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 160.228683] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 160.238548] team0: Port device team_slave_1 added [ 160.245076] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 160.252433] team0: Port device team_slave_1 added [ 160.265112] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 160.272530] team0: Port device team_slave_0 added [ 160.280390] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 160.290317] team0: Port device team_slave_0 added [ 160.302446] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 160.321096] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 160.347230] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 160.354966] team0: Port device team_slave_1 added [ 160.368370] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 160.378146] team0: Port device team_slave_1 added [ 160.388459] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 160.397929] team0: Port device team_slave_1 added [ 160.426346] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 160.434881] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 160.446175] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 160.465629] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 160.480897] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 160.500039] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 160.508888] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 160.517004] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 160.526408] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 160.537349] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 160.547609] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 160.559213] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 160.568737] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 160.577457] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 160.586999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 160.605176] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 160.613267] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 160.621073] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 160.629027] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 160.636773] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 160.644992] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 160.652094] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 160.661996] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 160.675830] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 160.688979] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 160.699644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 160.712517] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 160.733337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 160.741310] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 160.749856] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 160.757703] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 160.765439] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 160.773272] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 160.780737] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 160.788686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 160.806569] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 160.823290] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 160.830753] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 160.853469] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 160.861550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 160.889352] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 160.897316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 160.905169] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 160.913030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 160.935872] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 160.945910] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 160.965966] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 160.983826] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 160.994038] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 161.001935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 161.011596] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 161.031857] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 161.042629] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 161.610046] bridge0: port 2(bridge_slave_1) entered blocking state [ 161.616616] bridge0: port 2(bridge_slave_1) entered forwarding state [ 161.623713] bridge0: port 1(bridge_slave_0) entered blocking state [ 161.630095] bridge0: port 1(bridge_slave_0) entered forwarding state [ 161.639813] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 161.652533] bridge0: port 2(bridge_slave_1) entered blocking state [ 161.658967] bridge0: port 2(bridge_slave_1) entered forwarding state [ 161.665699] bridge0: port 1(bridge_slave_0) entered blocking state [ 161.672071] bridge0: port 1(bridge_slave_0) entered forwarding state [ 161.686578] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 161.695575] bridge0: port 2(bridge_slave_1) entered blocking state [ 161.701957] bridge0: port 2(bridge_slave_1) entered forwarding state [ 161.708701] bridge0: port 1(bridge_slave_0) entered blocking state [ 161.715107] bridge0: port 1(bridge_slave_0) entered forwarding state [ 161.724549] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 161.805013] bridge0: port 2(bridge_slave_1) entered blocking state [ 161.811428] bridge0: port 2(bridge_slave_1) entered forwarding state [ 161.818182] bridge0: port 1(bridge_slave_0) entered blocking state [ 161.824596] bridge0: port 1(bridge_slave_0) entered forwarding state [ 161.832269] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 161.844866] bridge0: port 2(bridge_slave_1) entered blocking state [ 161.851271] bridge0: port 2(bridge_slave_1) entered forwarding state [ 161.858008] bridge0: port 1(bridge_slave_0) entered blocking state [ 161.864409] bridge0: port 1(bridge_slave_0) entered forwarding state [ 161.873573] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 161.938393] bridge0: port 2(bridge_slave_1) entered blocking state [ 161.944893] bridge0: port 2(bridge_slave_1) entered forwarding state [ 161.951565] bridge0: port 1(bridge_slave_0) entered blocking state [ 161.958013] bridge0: port 1(bridge_slave_0) entered forwarding state [ 161.973979] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 162.503477] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 162.518701] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 162.534389] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 162.541744] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 162.549544] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 162.557360] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 164.628051] 8021q: adding VLAN 0 to HW filter on device bond0 [ 164.639128] 8021q: adding VLAN 0 to HW filter on device bond0 [ 164.666478] 8021q: adding VLAN 0 to HW filter on device bond0 [ 164.727388] 8021q: adding VLAN 0 to HW filter on device bond0 [ 164.753386] 8021q: adding VLAN 0 to HW filter on device bond0 [ 164.810148] 8021q: adding VLAN 0 to HW filter on device bond0 [ 164.903801] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 164.939274] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 164.965248] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 164.989734] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 165.025476] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 165.054498] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 165.143553] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 165.154915] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 165.169036] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 165.258843] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 165.281191] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 165.290976] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 165.304874] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 165.311839] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 165.324697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 165.333281] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 165.340343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 165.348015] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 165.359324] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 165.371992] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 165.379397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 165.394290] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 165.402352] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 165.417323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 165.514374] 8021q: adding VLAN 0 to HW filter on device team0 [ 165.593064] 8021q: adding VLAN 0 to HW filter on device team0 [ 165.610223] 8021q: adding VLAN 0 to HW filter on device team0 [ 165.620580] 8021q: adding VLAN 0 to HW filter on device team0 [ 165.640069] 8021q: adding VLAN 0 to HW filter on device team0 [ 165.651234] 8021q: adding VLAN 0 to HW filter on device team0 2018/11/26 14:07:40 executed programs: 6 2018/11/26 14:07:45 executed programs: 42 2018/11/26 14:07:51 executed programs: 78 2018/11/26 14:07:57 executed programs: 114 [ 188.530291] [ 188.531976] ===================================================== [ 188.538195] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 188.544930] 4.20.0-rc4+ #350 Not tainted [ 188.548968] ----------------------------------------------------- [ 188.555188] syz-executor0/8278 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 188.562351] 00000000c9c72757 (&ctx->fd_wqh){....}, at: aio_poll+0x760/0x1420 [ 188.569544] [ 188.569544] and this task is already holding: [ 188.575500] 00000000bdd436a2 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll+0x738/0x1420 [ 188.583738] which would create a new lock dependency: [ 188.588905] (&(&ctx->ctx_lock)->rlock){..-.} -> (&ctx->fd_wqh){....} [ 188.595494] [ 188.595494] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 188.603552] (&(&ctx->ctx_lock)->rlock){..-.} [ 188.603562] [ 188.603562] ... which became SOFTIRQ-irq-safe at: [ 188.614353] lock_acquire+0x1ed/0x520 [ 188.618230] _raw_spin_lock_irq+0x61/0x80 [ 188.622451] free_ioctx_users+0xbc/0x710 [ 188.626584] percpu_ref_switch_to_atomic_rcu+0x563/0x730 [ 188.632107] rcu_process_callbacks+0x100a/0x1ac0 [ 188.636934] __do_softirq+0x308/0xb7e [ 188.640802] irq_exit+0x17f/0x1c0 [ 188.644327] smp_apic_timer_interrupt+0x1cb/0x760 [ 188.649242] apic_timer_interrupt+0xf/0x20 [ 188.653571] native_safe_halt+0x6/0x10 [ 188.657537] default_idle+0xbf/0x490 [ 188.661336] arch_cpu_idle+0x10/0x20 [ 188.665135] default_idle_call+0x6d/0x90 [ 188.669267] do_idle+0x49b/0x5c0 [ 188.672703] cpu_startup_entry+0x18/0x20 [ 188.676838] start_secondary+0x487/0x5f0 [ 188.680970] secondary_startup_64+0xa4/0xb0 [ 188.685362] [ 188.685362] to a SOFTIRQ-irq-unsafe lock: [ 188.690962] (&ctx->fault_pending_wqh){+.+.} [ 188.690970] [ 188.690970] ... which became SOFTIRQ-irq-unsafe at: [ 188.701856] ... [ 188.701867] lock_acquire+0x1ed/0x520 [ 188.707617] _raw_spin_lock+0x2d/0x40 [ 188.711490] userfaultfd_release+0x63e/0x8d0 [ 188.715975] __fput+0x385/0xa30 [ 188.719324] ____fput+0x15/0x20 [ 188.722684] task_work_run+0x1e8/0x2a0 [ 188.726647] get_signal+0x1558/0x1980 [ 188.730525] do_signal+0x9c/0x21c0 [ 188.734154] exit_to_usermode_loop+0x2e5/0x380 [ 188.738945] do_syscall_64+0x6be/0x820 [ 188.742916] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 188.748179] [ 188.748179] other info that might help us debug this: [ 188.748179] [ 188.756312] Chain exists of: [ 188.756312] &(&ctx->ctx_lock)->rlock --> &ctx->fd_wqh --> &ctx->fault_pending_wqh [ 188.756312] [ 188.768437] Possible interrupt unsafe locking scenario: [ 188.768437] [ 188.775340] CPU0 CPU1 [ 188.779994] ---- ---- [ 188.784639] lock(&ctx->fault_pending_wqh); [ 188.789032] local_irq_disable(); [ 188.795081] lock(&(&ctx->ctx_lock)->rlock); [ 188.802078] lock(&ctx->fd_wqh); [ 188.808035] [ 188.810771] lock(&(&ctx->ctx_lock)->rlock); [ 188.815421] [ 188.815421] *** DEADLOCK *** [ 188.815421] [ 188.821463] 1 lock held by syz-executor0/8278: [ 188.826023] #0: 00000000bdd436a2 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll+0x738/0x1420 [ 188.834682] [ 188.834682] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 188.843674] -> (&(&ctx->ctx_lock)->rlock){..-.} { [ 188.848502] IN-SOFTIRQ-W at: [ 188.851782] lock_acquire+0x1ed/0x520 [ 188.857229] _raw_spin_lock_irq+0x61/0x80 [ 188.863031] free_ioctx_users+0xbc/0x710 [ 188.868729] percpu_ref_switch_to_atomic_rcu+0x563/0x730 [ 188.875813] rcu_process_callbacks+0x100a/0x1ac0 [ 188.882206] __do_softirq+0x308/0xb7e [ 188.887642] irq_exit+0x17f/0x1c0 [ 188.892743] smp_apic_timer_interrupt+0x1cb/0x760 [ 188.899241] apic_timer_interrupt+0xf/0x20 [ 188.905122] native_safe_halt+0x6/0x10 [ 188.910644] default_idle+0xbf/0x490 [ 188.916016] arch_cpu_idle+0x10/0x20 [ 188.921363] default_idle_call+0x6d/0x90 [ 188.927060] do_idle+0x49b/0x5c0 [ 188.932062] cpu_startup_entry+0x18/0x20 [ 188.937763] start_secondary+0x487/0x5f0 [ 188.943461] secondary_startup_64+0xa4/0xb0 [ 188.949411] INITIAL USE at: [ 188.952595] lock_acquire+0x1ed/0x520 [ 188.957958] _raw_spin_lock_irq+0x61/0x80 [ 188.963676] free_ioctx_users+0xbc/0x710 [ 188.969288] percpu_ref_switch_to_atomic_rcu+0x563/0x730 [ 188.976305] rcu_process_callbacks+0x100a/0x1ac0 [ 188.982610] __do_softirq+0x308/0xb7e [ 188.987957] irq_exit+0x17f/0x1c0 [ 188.992965] smp_apic_timer_interrupt+0x1cb/0x760 [ 188.999359] apic_timer_interrupt+0xf/0x20 [ 189.005144] native_safe_halt+0x6/0x10 [ 189.010577] default_idle+0xbf/0x490 [ 189.015836] arch_cpu_idle+0x10/0x20 [ 189.021099] default_idle_call+0x6d/0x90 [ 189.026708] do_idle+0x49b/0x5c0 [ 189.031619] cpu_startup_entry+0x18/0x20 [ 189.037228] start_secondary+0x487/0x5f0 [ 189.042841] secondary_startup_64+0xa4/0xb0 [ 189.048704] } [ 189.050495] ... key at: [] __key.51037+0x0/0x40 [ 189.057224] ... acquired at: [ 189.060318] lock_acquire+0x1ed/0x520 [ 189.064278] _raw_spin_lock+0x2d/0x40 [ 189.068249] aio_poll+0x760/0x1420 [ 189.071945] io_submit_one+0xa49/0xf80 [ 189.076000] __x64_sys_io_submit+0x1b7/0x580 [ 189.080569] do_syscall_64+0x1b9/0x820 [ 189.084611] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 189.089950] [ 189.091580] [ 189.091580] the dependencies between the lock to be acquired [ 189.091584] and SOFTIRQ-irq-unsafe lock: [ 189.102965] -> (&ctx->fault_pending_wqh){+.+.} { [ 189.107796] HARDIRQ-ON-W at: [ 189.111169] lock_acquire+0x1ed/0x520 [ 189.116785] _raw_spin_lock+0x2d/0x40 [ 189.122410] userfaultfd_release+0x63e/0x8d0 [ 189.128640] __fput+0x385/0xa30 [ 189.133737] ____fput+0x15/0x20 [ 189.138826] task_work_run+0x1e8/0x2a0 [ 189.144519] get_signal+0x1558/0x1980 [ 189.150126] do_signal+0x9c/0x21c0 [ 189.155482] exit_to_usermode_loop+0x2e5/0x380 [ 189.161885] do_syscall_64+0x6be/0x820 [ 189.167595] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 189.174586] SOFTIRQ-ON-W at: [ 189.177953] lock_acquire+0x1ed/0x520 [ 189.183574] _raw_spin_lock+0x2d/0x40 [ 189.189220] userfaultfd_release+0x63e/0x8d0 [ 189.195438] __fput+0x385/0xa30 [ 189.200523] ____fput+0x15/0x20 [ 189.205628] task_work_run+0x1e8/0x2a0 [ 189.211329] get_signal+0x1558/0x1980 [ 189.216938] do_signal+0x9c/0x21c0 [ 189.222286] exit_to_usermode_loop+0x2e5/0x380 [ 189.228701] do_syscall_64+0x6be/0x820 [ 189.234397] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 189.241389] INITIAL USE at: [ 189.244659] lock_acquire+0x1ed/0x520 [ 189.250184] _raw_spin_lock+0x2d/0x40 [ 189.255726] userfaultfd_ctx_read+0x4f3/0x2180 [ 189.262033] userfaultfd_read+0x1e2/0x2c0 [ 189.267909] __vfs_read+0x117/0x9b0 [ 189.273253] vfs_read+0x17f/0x3c0 [ 189.278443] ksys_read+0x101/0x260 [ 189.283702] __x64_sys_read+0x73/0xb0 [ 189.289225] do_syscall_64+0x1b9/0x820 [ 189.294859] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 189.301768] } [ 189.303659] ... key at: [] __key.44641+0x0/0x40 [ 189.310478] ... acquired at: [ 189.313667] _raw_spin_lock+0x2d/0x40 [ 189.317648] userfaultfd_ctx_read+0x4f3/0x2180 [ 189.322398] userfaultfd_read+0x1e2/0x2c0 [ 189.326716] __vfs_read+0x117/0x9b0 [ 189.330513] vfs_read+0x17f/0x3c0 [ 189.334135] ksys_read+0x101/0x260 [ 189.337844] __x64_sys_read+0x73/0xb0 [ 189.341826] do_syscall_64+0x1b9/0x820 [ 189.345893] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 189.351248] [ 189.352866] -> (&ctx->fd_wqh){....} { [ 189.356690] INITIAL USE at: [ 189.359890] lock_acquire+0x1ed/0x520 [ 189.365255] _raw_spin_lock_irq+0x61/0x80 [ 189.370971] userfaultfd_ctx_read+0x2e4/0x2180 [ 189.377116] userfaultfd_read+0x1e2/0x2c0 [ 189.382824] __vfs_read+0x117/0x9b0 [ 189.388014] vfs_read+0x17f/0x3c0 [ 189.393042] ksys_read+0x101/0x260 [ 189.398141] __x64_sys_read+0x73/0xb0 [ 189.403507] do_syscall_64+0x1b9/0x820 [ 189.408977] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 189.415726] } [ 189.417546] ... key at: [] __key.44644+0x0/0x40 [ 189.424285] ... acquired at: [ 189.427389] lock_acquire+0x1ed/0x520 [ 189.431365] _raw_spin_lock+0x2d/0x40 [ 189.435337] aio_poll+0x760/0x1420 [ 189.439051] io_submit_one+0xa49/0xf80 [ 189.443113] __x64_sys_io_submit+0x1b7/0x580 [ 189.447693] do_syscall_64+0x1b9/0x820 [ 189.451748] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 189.457099] [ 189.458724] [ 189.458724] stack backtrace: [ 189.463233] CPU: 0 PID: 8278 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #350 [ 189.470512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 189.479904] Call Trace: [ 189.482505] dump_stack+0x244/0x39d [ 189.486137] ? dump_stack_print_info.cold.1+0x20/0x20 [ 189.491350] ? print_shortest_lock_dependencies.cold.55+0x18e/0x211 [ 189.497757] ? vprintk_func+0x85/0x181 [ 189.501651] check_usage.cold.58+0x6d5/0xad1 [ 189.506067] ? check_usage_forwards+0x3d0/0x3d0 [ 189.510738] ? __lock_acquire+0x62f/0x4c20 [ 189.514977] ? __switch_to_asm+0x34/0x70 [ 189.519041] ? lockdep_on+0x50/0x50 [ 189.522668] ? mark_held_locks+0x130/0x130 [ 189.526912] ? __lock_acquire+0x62f/0x4c20 [ 189.531152] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 189.537042] __lock_acquire+0x238a/0x4c20 [ 189.541190] ? __lock_acquire+0x238a/0x4c20 [ 189.545517] ? mark_held_locks+0x130/0x130 [ 189.549749] ? zap_class+0x640/0x640 [ 189.553846] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 189.558960] ? find_held_lock+0x36/0x1c0 [ 189.563030] ? add_wait_queue+0x1b9/0x2b0 [ 189.567174] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 189.572276] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 189.577382] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 189.581980] ? trace_hardirqs_on+0xbd/0x310 [ 189.586349] ? kasan_check_read+0x11/0x20 [ 189.590498] ? trace_hardirqs_off_caller+0x310/0x310 [ 189.595600] ? rcu_softirq_qs+0x20/0x20 [ 189.599576] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 189.604678] ? add_wait_queue+0x1b9/0x2b0 [ 189.608827] ? __wake_up_locked_key_bookmark+0x20/0x20 [ 189.614108] lock_acquire+0x1ed/0x520 [ 189.617908] ? aio_poll+0x760/0x1420 [ 189.621623] ? lock_release+0xa00/0xa00 [ 189.625603] ? kasan_check_read+0x11/0x20 [ 189.629751] ? do_raw_spin_lock+0x14f/0x350 [ 189.634092] ? __ia32_sys_eventfd+0x40/0x40 [ 189.638428] ? rwlock_bug.part.2+0x90/0x90 [ 189.642668] ? trace_hardirqs_on+0x310/0x310 [ 189.647077] ? __save_stack_trace+0x8d/0xf0 [ 189.651433] _raw_spin_lock+0x2d/0x40 [ 189.655281] ? aio_poll+0x760/0x1420 [ 189.658999] aio_poll+0x760/0x1420 [ 189.662554] ? free_ioctx_users+0x710/0x710 [ 189.666884] ? kmem_cache_alloc+0x12e/0x730 [ 189.671209] ? aio_setup_rw+0x170/0x170 [ 189.675186] ? zap_class+0x640/0x640 [ 189.678911] ? mark_held_locks+0x130/0x130 [ 189.683148] ? zap_class+0x640/0x640 [ 189.686884] ? find_held_lock+0x36/0x1c0 [ 189.690950] ? find_held_lock+0x36/0x1c0 [ 189.695021] ? __might_fault+0x12b/0x1e0 [ 189.699081] ? lock_downgrade+0x900/0x900 [ 189.703229] ? lock_release+0xa00/0xa00 [ 189.707200] ? perf_trace_sched_process_exec+0x860/0x860 [ 189.712648] ? kasan_check_read+0x11/0x20 [ 189.716797] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 189.722078] io_submit_one+0xa49/0xf80 [ 189.725964] ? io_submit_one+0xa49/0xf80 [ 189.730038] ? aio_poll+0x1420/0x1420 [ 189.733860] ? __might_fault+0x12b/0x1e0 [ 189.737931] ? lock_downgrade+0x900/0x900 [ 189.742080] ? perf_trace_sched_process_exec+0x860/0x860 [ 189.747541] __x64_sys_io_submit+0x1b7/0x580 [ 189.751964] ? __ia32_sys_io_destroy+0x580/0x580 [ 189.756733] ? trace_hardirqs_on+0xbd/0x310 [ 189.761057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 189.766594] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 189.771971] ? trace_hardirqs_off_caller+0x310/0x310 [ 189.777103] do_syscall_64+0x1b9/0x820 [ 189.780993] ? __ia32_sys_io_destroy+0x580/0x580 [ 189.785760] ? do_syscall_64+0x1b9/0x820 [ 189.789835] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 189.795198] ? syscall_return_slowpath+0x5e0/0x5e0 [ 189.800134] ? trace_hardirqs_on_caller+0x310/0x310 [ 189.805156] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 189.810184] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 189.816849] ? __switch_to_asm+0x40/0x70 [ 189.820929] ? __switch_to_asm+0x34/0x70 [ 189.824999] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 189.829844] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 189.835051] RIP: 0033:0x457569 [ 189.838246] 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 [ 189.857146] RSP: 002b:00007fa97e7ffc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 189.864851] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 [ 189.872127] RDX: 0000000020000b00 RSI: 0000000000000001 RDI: 00007fa97e822000 [ 189.879411] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 2018/11/26 14:08:02 executed programs: 138 [ 189.886682] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa97e8006d4 [ 189.893951] R13: 00000000004be7ed R14: 00000000004ced68 R15: 00000000ffffffff [ 189.908712] kobject: 'loop5' (0000000093600675): kobject_uevent_env [ 189.920208] kobject: 'loop5' (0000000093600675): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 189.946679] kobject: 'loop1' (0000000058af864f): kobject_uevent_env [ 189.953506] kobject: 'loop1' (0000000058af864f): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 189.978488] kobject: 'loop4' (0000000078a22785): kobject_uevent_env [ 189.988795] kobject: 'loop4' (0000000078a22785): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 189.999050] kobject: 'loop0' (00000000ba5763a2): kobject_uevent_env [ 190.006021] kobject: 'loop0' (00000000ba5763a2): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 190.016181] kobject: 'loop3' (00000000fcba6f6f): kobject_uevent_env [ 190.022886] kobject: 'loop3' (00000000fcba6f6f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 190.033820] kobject: 'loop2' (000000008b65a9f3): kobject_uevent_env [ 190.041040] kobject: 'loop2' (000000008b65a9f3): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 190.856439] kobject: 'loop5' (0000000093600675): kobject_uevent_env [ 190.863785] kobject: 'loop5' (0000000093600675): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 190.888799] kobject: 'loop1' (0000000058af864f): kobject_uevent_env [ 190.906173] kobject: 'loop1' (0000000058af864f): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 190.918011] kobject: 'loop4' (0000000078a22785): kobject_uevent_env [ 190.924543] kobject: 'loop4' (0000000078a22785): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 190.934295] kobject: 'loop3' (00000000fcba6f6f): kobject_uevent_env [ 190.940724] kobject: 'loop3' (00000000fcba6f6f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 190.952522] kobject: 'loop0' (00000000ba5763a2): kobject_uevent_env [ 190.964165] kobject: 'loop0' (00000000ba5763a2): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 190.974075] kobject: 'loop2' (000000008b65a9f3): kobject_uevent_env [ 190.980520] kobject: 'loop2' (000000008b65a9f3): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 191.785815] kobject: 'loop5' (0000000093600675): kobject_uevent_env [ 191.792911] kobject: 'loop5' (0000000093600675): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 191.831886] kobject: 'loop3' (00000000fcba6f6f): kobject_uevent_env [ 191.841466] kobject: 'loop3' (00000000fcba6f6f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 191.852073] kobject: 'loop4' (0000000078a22785): kobject_uevent_env [ 191.858673] kobject: 'loop4' (0000000078a22785): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 191.868689] kobject: 'loop1' (0000000058af864f): kobject_uevent_env [ 191.875252] kobject: 'loop1' (0000000058af864f): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 191.885882] kobject: 'loop2' (000000008b65a9f3): kobject_uevent_env [ 191.892301] kobject: 'loop2' (000000008b65a9f3): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 191.902117] kobject: 'loop0' (00000000ba5763a2): kobject_uevent_env [ 191.908567] kobject: 'loop0' (00000000ba5763a2): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 192.686188] kobject: 'loop5' (0000000093600675): kobject_uevent_env [ 192.693255] kobject: 'loop5' (0000000093600675): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 192.756271] kobject: 'loop1' (0000000058af864f): kobject_uevent_env [ 192.764488] kobject: 'loop1' (0000000058af864f): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 192.791744] kobject: 'loop4' (0000000078a22785): kobject_uevent_env [ 192.798581] kobject: 'loop4' (0000000078a22785): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 192.808679] kobject: 'loop0' (00000000ba5763a2): kobject_uevent_env [ 192.816425] kobject: 'loop0' (00000000ba5763a2): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 192.826274] kobject: 'loop2' (000000008b65a9f3): kobject_uevent_env [ 192.832698] kobject: 'loop2' (000000008b65a9f3): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 192.842712] kobject: 'loop3' (00000000fcba6f6f): kobject_uevent_env [ 192.849193] kobject: 'loop3' (00000000fcba6f6f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 193.636507] kobject: 'loop5' (0000000093600675): kobject_uevent_env [ 193.643939] kobject: 'loop5' (0000000093600675): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 193.693280] kobject: 'loop1' (0000000058af864f): kobject_uevent_env [ 193.705782] kobject: 'loop1' (0000000058af864f): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 193.718476] kobject: 'loop3' (00000000fcba6f6f): kobject_uevent_env [ 193.725496] kobject: 'loop3' (00000000fcba6f6f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 193.735522] kobject: 'loop4' (0000000078a22785): kobject_uevent_env [ 193.741942] kobject: 'loop4' (0000000078a22785): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 193.752173] kobject: 'loop0' (00000000ba5763a2): kobject_uevent_env [ 193.759299] kobject: 'loop0' (00000000ba5763a2): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 193.769448] kobject: 'loop2' (000000008b65a9f3): kobject_uevent_env [ 193.776019] kobject: 'loop2' (000000008b65a9f3): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 194.566032] kobject: 'loop5' (0000000093600675): kobject_uevent_env [ 194.572696] kobject: 'loop5' (0000000093600675): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 194.615908] kobject: 'loop0' (00000000ba5763a2): kobject_uevent_env [ 194.635982] kobject: 'loop0' (00000000ba5763a2): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 194.650851] kobject: 'loop3' (00000000fcba6f6f): kobject_uevent_env [ 194.657628] kobject: 'loop3' (00000000fcba6f6f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 194.667823] kobject: 'loop4' (0000000078a22785): kobject_uevent_env [ 194.674443] kobject: 'loop4' (0000000078a22785): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 194.684451] kobject: 'loop1' (0000000058af864f): kobject_uevent_env [ 194.690974] kobject: 'loop1' (0000000058af864f): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 194.700995] kobject: 'loop2' (000000008b65a9f3): kobject_uevent_env [ 194.707517] kobject: 'loop2' (000000008b65a9f3): fill_kobj_path: path = '/devices/virtual/block/loop2' 2018/11/26 14:08:07 executed programs: 174 [ 195.497057] kobject: 'loop5' (0000000093600675): kobject_uevent_env [ 195.504420] kobject: 'loop5' (0000000093600675): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 195.546365] kobject: 'loop3' (00000000fcba6f6f): kobject_uevent_env [ 195.558637] kobject: 'loop3' (00000000fcba6f6f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 195.576791] kobject: 'loop0' (00000000ba5763a2): kobject_uevent_env [ 195.584416] kobject: 'loop0' (00000000ba5763a2): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 195.596165] kobject: 'loop4' (0000000078a22785): kobject_uevent_env [ 195.602600] kobject: 'loop4' (0000000078a22785): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 195.612831] kobject: 'loop1' (0000000058af864f): kobject_uevent_env [ 195.619325] kobject: 'loop1' (0000000058af864f): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 195.629459] kobject: 'loop2' (000000008b65a9f3): kobject_uevent_env [ 195.636173] kobject: 'loop2' (000000008b65a9f3): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 196.406692] kobject: 'loop5' (0000000093600675): kobject_uevent_env [ 196.414048] kobject: 'loop5' (0000000093600675): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 196.469516] kobject: 'loop3' (00000000fcba6f6f): kobject_uevent_env [ 196.487279] kobject: 'loop3' (00000000fcba6f6f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 196.497697] kobject: 'loop0' (00000000ba5763a2): kobject_uevent_env [ 196.504589] kobject: 'loop0' (00000000ba5763a2): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 196.515348] kobject: 'loop4' (0000000078a22785): kobject_uevent_env [ 196.522567] kobject: 'loop4' (0000000078a22785): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 196.533755] kobject: 'loop2' (000000008b65a9f3): kobject_uevent_env [ 196.540229] kobject: 'loop2' (000000008b65a9f3): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 196.550131] kobject: 'loop1' (0000000058af864f): kobject_uevent_env [ 196.557041] kobject: 'loop1' (0000000058af864f): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 197.345667] kobject: 'loop5' (0000000093600675): kobject_uevent_env [ 197.352920] kobject: 'loop5' (0000000093600675): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 197.400427] kobject: 'loop3' (00000000fcba6f6f): kobject_uevent_env [ 197.414523] kobject: 'loop3' (00000000fcba6f6f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 197.426708] kobject: 'loop4' (0000000078a22785): kobject_uevent_env [ 197.433690] kobject: 'loop4' (0000000078a22785): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 197.444083] kobject: 'loop0' (00000000ba5763a2): kobject_uevent_env [ 197.450599] kobject: 'loop0' (00000000ba5763a2): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 197.460699] kobject: 'loop1' (0000000058af864f): kobject_uevent_env [ 197.467411] kobject: 'loop1' (0000000058af864f): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 197.477379] kobject: 'loop2' (000000008b65a9f3): kobject_uevent_env [ 197.483933] kobject: 'loop2' (000000008b65a9f3): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 198.276080] kobject: 'loop5' (0000000093600675): kobject_uevent_env [ 198.284430] kobject: 'loop5' (0000000093600675): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 198.317370] kobject: 'loop2' (000000008b65a9f3): kobject_uevent_env [ 198.324778] kobject: 'loop2' (000000008b65a9f3): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 198.362158] kobject: 'loop0' (00000000ba5763a2): kobject_uevent_env [ 198.377074] kobject: 'loop0' (00000000ba5763a2): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 198.387537] kobject: 'loop4' (0000000078a22785): kobject_uevent_env [ 198.394479] kobject: 'loop4' (0000000078a22785): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 198.404701] kobject: 'loop3' (00000000fcba6f6f): kobject_uevent_env [ 198.411136] kobject: 'loop3' (00000000fcba6f6f): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 198.421727] kobject: 'loop1' (0000000058af864f): kobject_uevent_env [ 198.429825] kobject: 'loop1' (0000000058af864f): fill_kobj_path: path = '/devices/virtual/block/loop1'