[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 61.890879][ T26] audit: type=1800 audit(1561820440.039:25): pid=8362 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 61.912878][ T26] audit: type=1800 audit(1561820440.039:26): pid=8362 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 61.962646][ T26] audit: type=1800 audit(1561820440.039:27): pid=8362 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.22' (ECDSA) to the list of known hosts. 2019/06/29 15:00:51 parsed 1 programs 2019/06/29 15:00:53 executed programs: 0 syzkaller login: [ 75.239371][ T8530] IPVS: ftp: loaded support on port[0] = 21 [ 75.298744][ T8530] chnl_net:caif_netlink_parms(): no params data found [ 75.327117][ T8530] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.334932][ T8530] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.343308][ T8530] device bridge_slave_0 entered promiscuous mode [ 75.351327][ T8530] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.358524][ T8530] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.366240][ T8530] device bridge_slave_1 entered promiscuous mode [ 75.382412][ T8530] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 75.392110][ T8530] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 75.409288][ T8530] team0: Port device team_slave_0 added [ 75.416513][ T8530] team0: Port device team_slave_1 added [ 75.464470][ T8530] device hsr_slave_0 entered promiscuous mode [ 75.502437][ T8530] device hsr_slave_1 entered promiscuous mode [ 75.549545][ T8530] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.556744][ T8530] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.564516][ T8530] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.571568][ T8530] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.605513][ T8530] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.616448][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.636606][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.644819][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.653566][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 75.665612][ T8530] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.675505][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.684878][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.691996][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.703051][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.711819][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.719010][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.733724][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.742586][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.753183][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.767505][ T8530] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 75.779551][ T8530] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.791657][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.800870][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.809410][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.827058][ T8530] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/06/29 15:00:58 executed programs: 5 [ 82.372774][ T8572] [ 82.375148][ T8572] ===================================================== [ 82.382059][ T8572] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 82.389507][ T8572] 5.2.0-rc6+ #63 Not tainted [ 82.394069][ T8572] ----------------------------------------------------- [ 82.400980][ T8572] syz-executor.0/8572 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 82.408928][ T8572] 0000000049d56e41 (&ctx->fd_wqh){....}, at: io_submit_one+0xefa/0x2ef0 [ 82.417411][ T8572] [ 82.417411][ T8572] and this task is already holding: [ 82.424752][ T8572] 0000000005da0779 (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xeb5/0x2ef0 [ 82.434125][ T8572] which would create a new lock dependency: [ 82.439990][ T8572] (&(&ctx->ctx_lock)->rlock){..-.} -> (&ctx->fd_wqh){....} [ 82.447390][ T8572] [ 82.447390][ T8572] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 82.456942][ T8572] (&(&ctx->ctx_lock)->rlock){..-.} [ 82.456949][ T8572] [ 82.456949][ T8572] ... which became SOFTIRQ-irq-safe at: [ 82.469864][ T8572] lock_acquire+0x16f/0x3f0 [ 82.474433][ T8572] _raw_spin_lock_irq+0x60/0x80 [ 82.479352][ T8572] free_ioctx_users+0x2d/0x490 [ 82.484193][ T8572] percpu_ref_switch_to_atomic_rcu+0x407/0x540 [ 82.490415][ T8572] rcu_core+0xba5/0x1500 [ 82.494726][ T8572] __do_softirq+0x25c/0x94c [ 82.499312][ T8572] irq_exit+0x180/0x1d0 [ 82.504788][ T8572] smp_apic_timer_interrupt+0x13b/0x550 [ 82.511041][ T8572] apic_timer_interrupt+0xf/0x20 [ 82.516142][ T8572] native_safe_halt+0xe/0x10 [ 82.520981][ T8572] arch_cpu_idle+0xa/0x10 [ 82.525554][ T8572] default_idle_call+0x36/0x90 [ 82.530526][ T8572] do_idle+0x377/0x560 [ 82.534662][ T8572] cpu_startup_entry+0x1b/0x20 [ 82.539529][ T8572] rest_init+0x245/0x37b [ 82.543855][ T8572] arch_call_rest_init+0xe/0x1b [ 82.549220][ T8572] start_kernel+0x854/0x893 [ 82.553793][ T8572] x86_64_start_reservations+0x29/0x2b [ 82.559315][ T8572] x86_64_start_kernel+0x77/0x7b [ 82.564321][ T8572] secondary_startup_64+0xa4/0xb0 [ 82.569844][ T8572] [ 82.569844][ T8572] to a SOFTIRQ-irq-unsafe lock: [ 82.576896][ T8572] (&ctx->fault_pending_wqh){+.+.} [ 82.576906][ T8572] [ 82.576906][ T8572] ... which became SOFTIRQ-irq-unsafe at: [ 82.590542][ T8572] ... [ 82.590559][ T8572] lock_acquire+0x16f/0x3f0 [ 82.598716][ T8572] _raw_spin_lock+0x2f/0x40 [ 82.603288][ T8572] userfaultfd_release+0x4ca/0x710 [ 82.609087][ T8572] __fput+0x2ff/0x890 [ 82.613141][ T8572] ____fput+0x16/0x20 [ 82.617201][ T8572] task_work_run+0x145/0x1c0 [ 82.621955][ T8572] exit_to_usermode_loop+0x273/0x2c0 [ 82.627536][ T8572] do_syscall_64+0x58e/0x680 [ 82.632289][ T8572] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.638616][ T8572] [ 82.638616][ T8572] other info that might help us debug this: [ 82.638616][ T8572] [ 82.648847][ T8572] Chain exists of: [ 82.648847][ T8572] &(&ctx->ctx_lock)->rlock --> &ctx->fd_wqh --> &ctx->fault_pending_wqh [ 82.648847][ T8572] [ 82.664393][ T8572] Possible interrupt unsafe locking scenario: [ 82.664393][ T8572] [ 82.672800][ T8572] CPU0 CPU1 [ 82.678155][ T8572] ---- ---- [ 82.683738][ T8572] lock(&ctx->fault_pending_wqh); [ 82.688850][ T8572] local_irq_disable(); [ 82.696056][ T8572] lock(&(&ctx->ctx_lock)->rlock); [ 82.703764][ T8572] lock(&ctx->fd_wqh); [ 82.710481][ T8572] [ 82.713920][ T8572] lock(&(&ctx->ctx_lock)->rlock); [ 82.719277][ T8572] [ 82.719277][ T8572] *** DEADLOCK *** [ 82.719277][ T8572] [ 82.727449][ T8572] 1 lock held by syz-executor.0/8572: [ 82.732959][ T8572] #0: 0000000005da0779 (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xeb5/0x2ef0 [ 82.744563][ T8572] [ 82.744563][ T8572] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 82.755937][ T8572] -> (&(&ctx->ctx_lock)->rlock){..-.} { [ 82.761467][ T8572] IN-SOFTIRQ-W at: [ 82.765445][ T8572] lock_acquire+0x16f/0x3f0 [ 82.771573][ T8572] _raw_spin_lock_irq+0x60/0x80 [ 82.778051][ T8572] free_ioctx_users+0x2d/0x490 [ 82.784445][ T8572] percpu_ref_switch_to_atomic_rcu+0x407/0x540 [ 82.792233][ T8572] rcu_core+0xba5/0x1500 [ 82.798361][ T8572] __do_softirq+0x25c/0x94c [ 82.804685][ T8572] irq_exit+0x180/0x1d0 [ 82.810581][ T8572] smp_apic_timer_interrupt+0x13b/0x550 [ 82.817768][ T8572] apic_timer_interrupt+0xf/0x20 [ 82.824681][ T8572] native_safe_halt+0xe/0x10 [ 82.830951][ T8572] arch_cpu_idle+0xa/0x10 [ 82.837685][ T8572] default_idle_call+0x36/0x90 [ 82.844082][ T8572] do_idle+0x377/0x560 [ 82.849781][ T8572] cpu_startup_entry+0x1b/0x20 [ 82.856478][ T8572] rest_init+0x245/0x37b [ 82.862549][ T8572] arch_call_rest_init+0xe/0x1b [ 82.869380][ T8572] start_kernel+0x854/0x893 [ 82.878081][ T8572] x86_64_start_reservations+0x29/0x2b [ 82.885302][ T8572] x86_64_start_kernel+0x77/0x7b [ 82.892907][ T8572] secondary_startup_64+0xa4/0xb0 [ 82.901979][ T8572] INITIAL USE at: [ 82.906126][ T8572] lock_acquire+0x16f/0x3f0 [ 82.912303][ T8572] _raw_spin_lock_irq+0x60/0x80 [ 82.919369][ T8572] free_ioctx_users+0x2d/0x490 [ 82.925936][ T8572] percpu_ref_switch_to_atomic_rcu+0x407/0x540 [ 82.933633][ T8572] rcu_core+0xba5/0x1500 [ 82.939430][ T8572] __do_softirq+0x25c/0x94c [ 82.946021][ T8572] irq_exit+0x180/0x1d0 [ 82.951780][ T8572] smp_apic_timer_interrupt+0x13b/0x550 [ 82.958902][ T8572] apic_timer_interrupt+0xf/0x20 [ 82.965402][ T8572] native_safe_halt+0xe/0x10 [ 82.971549][ T8572] arch_cpu_idle+0xa/0x10 [ 82.978021][ T8572] default_idle_call+0x36/0x90 [ 82.984684][ T8572] do_idle+0x377/0x560 [ 82.990318][ T8572] cpu_startup_entry+0x1b/0x20 [ 82.996712][ T8572] rest_init+0x245/0x37b [ 83.002537][ T8572] arch_call_rest_init+0xe/0x1b [ 83.008943][ T8572] start_kernel+0x854/0x893 [ 83.015095][ T8572] x86_64_start_reservations+0x29/0x2b [ 83.022247][ T8572] x86_64_start_kernel+0x77/0x7b [ 83.029047][ T8572] secondary_startup_64+0xa4/0xb0 [ 83.041898][ T8572] } [ 83.063547][ T8572] ... key at: [] __key.53436+0x0/0x40 [ 83.070977][ T8572] ... acquired at: [ 83.074780][ T8572] lock_acquire+0x16f/0x3f0 [ 83.079886][ T8572] _raw_spin_lock+0x2f/0x40 [ 83.084541][ T8572] io_submit_one+0xefa/0x2ef0 [ 83.089386][ T8572] __x64_sys_io_submit+0x1bd/0x570 [ 83.094666][ T8572] do_syscall_64+0xfd/0x680 [ 83.100393][ T8572] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.106518][ T8572] [ 83.108835][ T8572] [ 83.108835][ T8572] the dependencies between the lock to be acquired [ 83.108839][ T8572] and SOFTIRQ-irq-unsafe lock: [ 83.122310][ T8572] -> (&ctx->fault_pending_wqh){+.+.} { [ 83.127837][ T8572] HARDIRQ-ON-W at: [ 83.131904][ T8572] lock_acquire+0x16f/0x3f0 [ 83.138801][ T8572] _raw_spin_lock+0x2f/0x40 [ 83.145229][ T8572] userfaultfd_release+0x4ca/0x710 [ 83.152808][ T8572] __fput+0x2ff/0x890 [ 83.158630][ T8572] ____fput+0x16/0x20 [ 83.164526][ T8572] task_work_run+0x145/0x1c0 [ 83.170951][ T8572] exit_to_usermode_loop+0x273/0x2c0 [ 83.178050][ T8572] do_syscall_64+0x58e/0x680 [ 83.185053][ T8572] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.192745][ T8572] SOFTIRQ-ON-W at: [ 83.196823][ T8572] lock_acquire+0x16f/0x3f0 [ 83.203784][ T8572] _raw_spin_lock+0x2f/0x40 [ 83.210117][ T8572] userfaultfd_release+0x4ca/0x710 [ 83.217095][ T8572] __fput+0x2ff/0x890 [ 83.222896][ T8572] ____fput+0x16/0x20 [ 83.228812][ T8572] task_work_run+0x145/0x1c0 [ 83.235226][ T8572] exit_to_usermode_loop+0x273/0x2c0 [ 83.242490][ T8572] do_syscall_64+0x58e/0x680 [ 83.248999][ T8572] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.256857][ T8572] INITIAL USE at: [ 83.260849][ T8572] lock_acquire+0x16f/0x3f0 [ 83.267099][ T8572] _raw_spin_lock+0x2f/0x40 [ 83.273322][ T8572] userfaultfd_read+0x540/0x1940 [ 83.280635][ T8572] __vfs_read+0x8a/0x110 [ 83.286604][ T8572] vfs_read+0x194/0x3e0 [ 83.292482][ T8572] ksys_read+0x14f/0x290 [ 83.298925][ T8572] __x64_sys_read+0x73/0xb0 [ 83.305162][ T8572] do_syscall_64+0xfd/0x680 [ 83.311384][ T8572] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.318985][ T8572] } [ 83.321561][ T8572] ... key at: [] __key.46109+0x0/0x40 [ 83.329160][ T8572] ... acquired at: [ 83.333195][ T8572] _raw_spin_lock+0x2f/0x40 [ 83.338206][ T8572] userfaultfd_read+0x540/0x1940 [ 83.343456][ T8572] __vfs_read+0x8a/0x110 [ 83.347877][ T8572] vfs_read+0x194/0x3e0 [ 83.352326][ T8572] ksys_read+0x14f/0x290 [ 83.356731][ T8572] __x64_sys_read+0x73/0xb0 [ 83.361585][ T8572] do_syscall_64+0xfd/0x680 [ 83.366334][ T8572] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.372396][ T8572] [ 83.376601][ T8572] -> (&ctx->fd_wqh){....} { [ 83.381084][ T8572] INITIAL USE at: [ 83.384964][ T8572] lock_acquire+0x16f/0x3f0 [ 83.391020][ T8572] _raw_spin_lock_irq+0x60/0x80 [ 83.399383][ T8572] userfaultfd_read+0x27a/0x1940 [ 83.405869][ T8572] __vfs_read+0x8a/0x110 [ 83.411665][ T8572] vfs_read+0x194/0x3e0 [ 83.417505][ T8572] ksys_read+0x14f/0x290 [ 83.423313][ T8572] __x64_sys_read+0x73/0xb0 [ 83.430053][ T8572] do_syscall_64+0xfd/0x680 [ 83.436099][ T8572] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.443523][ T8572] } [ 83.446016][ T8572] ... key at: [] __key.46112+0x0/0x40 [ 83.454681][ T8572] ... acquired at: [ 83.458577][ T8572] lock_acquire+0x16f/0x3f0 [ 83.463234][ T8572] _raw_spin_lock+0x2f/0x40 [ 83.467979][ T8572] io_submit_one+0xefa/0x2ef0 [ 83.473070][ T8572] __x64_sys_io_submit+0x1bd/0x570 [ 83.479656][ T8572] do_syscall_64+0xfd/0x680 [ 83.484315][ T8572] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.490368][ T8572] [ 83.492688][ T8572] [ 83.492688][ T8572] stack backtrace: [ 83.499024][ T8572] CPU: 1 PID: 8572 Comm: syz-executor.0 Not tainted 5.2.0-rc6+ #63 [ 83.507085][ T8572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.517307][ T8572] Call Trace: [ 83.520842][ T8572] dump_stack+0x172/0x1f0 [ 83.525170][ T8572] check_irq_usage.cold+0x711/0xba0 [ 83.530352][ T8572] ? check_usage_forwards+0x370/0x370 [ 83.535702][ T8572] ? is_dynamic_key+0x1c0/0x1c0 [ 83.540624][ T8572] ? __lock_acquire+0x54f/0x5490 [ 83.545640][ T8572] ? graph_lock+0x7b/0x200 [ 83.551484][ T8572] ? is_dynamic_key+0x1c0/0x1c0 [ 83.556409][ T8572] __lock_acquire+0x2469/0x5490 [ 83.561755][ T8572] ? __lock_acquire+0x2469/0x5490 [ 83.566810][ T8572] ? mark_held_locks+0xf0/0xf0 [ 83.571556][ T8572] ? find_held_lock+0x35/0x130 [ 83.576410][ T8572] ? mark_held_locks+0xf0/0xf0 [ 83.581239][ T8572] ? kasan_check_write+0x14/0x20 [ 83.586157][ T8572] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 83.592116][ T8572] ? add_wait_queue+0x112/0x170 [ 83.597037][ T8572] ? lockdep_hardirqs_on+0x418/0x5d0 [ 83.602402][ T8572] ? trace_hardirqs_on+0x67/0x220 [ 83.607403][ T8572] ? kasan_check_read+0x11/0x20 [ 83.612233][ T8572] lock_acquire+0x16f/0x3f0 [ 83.623808][ T8572] ? io_submit_one+0xefa/0x2ef0 [ 83.628743][ T8572] _raw_spin_lock+0x2f/0x40 [ 83.633226][ T8572] ? io_submit_one+0xefa/0x2ef0 [ 83.638167][ T8572] io_submit_one+0xefa/0x2ef0 [ 83.642841][ T8572] ? mark_held_locks+0xf0/0xf0 [ 83.647707][ T8572] ? ioctx_alloc+0x1db0/0x1db0 [ 83.652471][ T8572] ? __might_fault+0x12b/0x1e0 [ 83.657232][ T8572] ? aio_setup_rw+0x180/0x180 [ 83.661900][ T8572] __x64_sys_io_submit+0x1bd/0x570 [ 83.668280][ T8572] ? __x64_sys_io_submit+0x1bd/0x570 [ 83.674345][ T8572] ? __ia32_sys_io_destroy+0x420/0x420 [ 83.679964][ T8572] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 83.686146][ T8572] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 83.702914][ T8572] ? do_syscall_64+0x26/0x680 [ 83.707593][ T8572] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.713671][ T8572] ? do_syscall_64+0x26/0x680 [ 83.718330][ T8572] ? lockdep_hardirqs_on+0x418/0x5d0 [ 83.723716][ T8572] do_syscall_64+0xfd/0x680 [ 83.728361][ T8572] ? do_syscall_64+0xfd/0x680 [ 83.734928][ T8572] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.741254][ T8572] RIP: 0033:0x459519 [ 83.745217][ T8572] Code: fd b7 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 b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.766635][ T8572] RSP: 002b:00007fa69b03ec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 83.777133][ T8572] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459519 [ 83.785173][ T8572] RDX: 0000000020000600 RSI: 0000000000000001 RDI: 00007fa69b040000 [ 83.793149][ T8572] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 83.803509][ T8572] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa69b03f6d4 [ 83.811684][ T8572] R13: 00000000004c0898 R14: 00000000004d3548 R15: 00000000ffffffff [ 83.927420][ T3880] kobject: 'loop0' (00000000e68a2f91): kobject_uevent_env [ 83.935071][ T3880] kobject: 'loop0' (00000000e68a2f91): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 84.870371][ T3880] kobject: 'loop0' (00000000e68a2f91): kobject_uevent_env [ 84.877601][ T3880] kobject: 'loop0' (00000000e68a2f91): fill_kobj_path: path = '/devices/virtual/block/loop0' 2019/06/29 15:01:03 executed programs: 9 [ 85.807627][ T3880] kobject: 'loop0' (00000000e68a2f91): kobject_uevent_env [ 85.814983][ T3880] kobject: 'loop0' (00000000e68a2f91): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 86.757742][ T3880] kobject: 'loop0' (00000000e68a2f91): kobject_uevent_env [ 86.765015][ T3880] kobject: 'loop0' (00000000e68a2f91): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 87.688691][ T3880] kobject: 'loop0' (00000000e68a2f91): kobject_uevent_env [ 87.695988][ T3880] kobject: 'loop0' (00000000e68a2f91): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 88.597592][ T3880] kobject: 'loop0' (00000000e68a2f91): kobject_uevent_env [ 88.605104][ T3880] kobject: 'loop0' (00000000e68a2f91): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 89.557391][ T3880] kobject: 'loop0' (00000000e68a2f91): kobject_uevent_env [ 89.564638][ T3880] kobject: 'loop0' (00000000e68a2f91): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 90.477649][ T3880] kobject: 'loop0' (00000000e68a2f91): kobject_uevent_env [ 90.485891][ T3880] kobject: 'loop0' (00000000e68a2f91): fill_kobj_path: path = '/devices/virtual/block/loop0' 2019/06/29 15:01:09 executed programs: 15 [ 91.378272][ T3880] kobject: 'loop0' (00000000e68a2f91): kobject_uevent_env [ 91.386067][ T3880] kobject: 'loop0' (00000000e68a2f91): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 92.307318][ T3880] kobject: 'loop0' (00000000e68a2f91): kobject_uevent_env [ 92.314545][ T3880] kobject: 'loop0' (00000000e68a2f91): fill_kobj_path: path = '/devices/virtual/block/loop0'