[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[   59.605128][   T24] audit: type=1800 audit(1561660357.671:25): pid=8394 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0
[   59.627001][   T24] audit: type=1800 audit(1561660357.671:26): pid=8394 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0
[   59.680392][   T24] audit: type=1800 audit(1561660357.681:27): pid=8394 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 '10.128.0.237' (ECDSA) to the list of known hosts.
2019/06/27 18:32:47 parsed 1 programs
2019/06/27 18:32:49 executed programs: 0
syzkaller login: [   71.446173][ T8564] IPVS: ftp: loaded support on port[0] = 21
[   71.505827][ T8564] chnl_net:caif_netlink_parms(): no params data found
[   71.531894][ T8564] bridge0: port 1(bridge_slave_0) entered blocking state
[   71.539407][ T8564] bridge0: port 1(bridge_slave_0) entered disabled state
[   71.547627][ T8564] device bridge_slave_0 entered promiscuous mode
[   71.555949][ T8564] bridge0: port 2(bridge_slave_1) entered blocking state
[   71.563151][ T8564] bridge0: port 2(bridge_slave_1) entered disabled state
[   71.571275][ T8564] device bridge_slave_1 entered promiscuous mode
[   71.588401][ T8564] bond0: Enslaving bond_slave_0 as an active interface with an up link
[   71.598563][ T8564] bond0: Enslaving bond_slave_1 as an active interface with an up link
[   71.616537][ T8564] team0: Port device team_slave_0 added
[   71.623708][ T8564] team0: Port device team_slave_1 added
[   71.692966][ T8564] device hsr_slave_0 entered promiscuous mode
[   71.760704][ T8564] device hsr_slave_1 entered promiscuous mode
[   71.838554][ T8564] bridge0: port 2(bridge_slave_1) entered blocking state
[   71.845805][ T8564] bridge0: port 2(bridge_slave_1) entered forwarding state
[   71.853634][ T8564] bridge0: port 1(bridge_slave_0) entered blocking state
[   71.860747][ T8564] bridge0: port 1(bridge_slave_0) entered forwarding state
[   71.894508][ T8564] 8021q: adding VLAN 0 to HW filter on device bond0
[   71.909026][   T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   71.929501][   T12] bridge0: port 1(bridge_slave_0) entered disabled state
[   71.938436][   T12] bridge0: port 2(bridge_slave_1) entered disabled state
[   71.948763][   T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   71.960593][ T8564] 8021q: adding VLAN 0 to HW filter on device team0
[   71.973321][ T8566] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   71.982658][ T8566] bridge0: port 1(bridge_slave_0) entered blocking state
[   71.989720][ T8566] bridge0: port 1(bridge_slave_0) entered forwarding state
[   71.997645][ T8566] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   72.007248][ T8566] bridge0: port 2(bridge_slave_1) entered blocking state
[   72.014358][ T8566] bridge0: port 2(bridge_slave_1) entered forwarding state
[   72.032653][ T8566] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   72.041675][ T8566] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   72.050980][ T8566] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   72.062075][   T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   72.073334][ T8567] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   72.083717][ T8564] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   72.102916][ T8564] 8021q: adding VLAN 0 to HW filter on device batadv0
[   75.810598][ T8592] 
[   75.813168][ T8592] =====================================================
[   75.820403][ T8592] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected
[   75.827844][ T8592] 5.2.0-rc6+ #41 Not tainted
[   75.832541][ T8592] -----------------------------------------------------
[   75.840313][ T8592] syz-executor.0/8592 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
[   75.848381][ T8592] 00000000d65cd34e (&ctx->fd_wqh){....}, at: io_submit_one+0xefa/0x2ef0
[   75.856709][ T8592] 
[   75.856709][ T8592] and this task is already holding:
[   75.864777][ T8592] 000000009433f43b (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xeb5/0x2ef0
[   75.874240][ T8592] which would create a new lock dependency:
[   75.880212][ T8592]  (&(&ctx->ctx_lock)->rlock){..-.} -> (&ctx->fd_wqh){....}
[   75.887930][ T8592] 
[   75.887930][ T8592] but this new dependency connects a SOFTIRQ-irq-safe lock:
[   75.897475][ T8592]  (&(&ctx->ctx_lock)->rlock){..-.}
[   75.897485][ T8592] 
[   75.897485][ T8592] ... which became SOFTIRQ-irq-safe at:
[   75.911422][ T8592]   lock_acquire+0x16f/0x3f0
[   75.916001][ T8592]   _raw_spin_lock_irq+0x60/0x80
[   75.922310][ T8592]   free_ioctx_users+0x2d/0x490
[   75.927228][ T8592]   percpu_ref_switch_to_atomic_rcu+0x407/0x540
[   75.933798][ T8592]   rcu_core+0xba5/0x1500
[   75.938247][ T8592]   __do_softirq+0x25c/0x94c
[   75.942841][ T8592]   irq_exit+0x180/0x1d0
[   75.947071][ T8592]   smp_apic_timer_interrupt+0x13b/0x550
[   75.952889][ T8592]   apic_timer_interrupt+0xf/0x20
[   75.958232][ T8592]   native_safe_halt+0xe/0x10
[   75.963018][ T8592]   arch_cpu_idle+0xa/0x10
[   75.967518][ T8592]   default_idle_call+0x36/0x90
[   75.972420][ T8592]   do_idle+0x377/0x560
[   75.977426][ T8592]   cpu_startup_entry+0x1b/0x20
[   75.982292][ T8592]   rest_init+0x245/0x37b
[   75.986630][ T8592]   arch_call_rest_init+0xe/0x1b
[   75.991957][ T8592]   start_kernel+0x854/0x893
[   75.996555][ T8592]   x86_64_start_reservations+0x29/0x2b
[   76.002351][ T8592]   x86_64_start_kernel+0x77/0x7b
[   76.007380][ T8592]   secondary_startup_64+0xa4/0xb0
[   76.012981][ T8592] 
[   76.012981][ T8592] to a SOFTIRQ-irq-unsafe lock:
[   76.020144][ T8592]  (&ctx->fault_pending_wqh){+.+.}
[   76.020154][ T8592] 
[   76.020154][ T8592] ... which became SOFTIRQ-irq-unsafe at:
[   76.033369][ T8592] ...
[   76.033394][ T8592]   lock_acquire+0x16f/0x3f0
[   76.040815][ T8592]   _raw_spin_lock+0x2f/0x40
[   76.045477][ T8592]   userfaultfd_release+0x4ca/0x710
[   76.050792][ T8592]   __fput+0x2ff/0x890
[   76.054969][ T8592]   ____fput+0x16/0x20
[   76.059032][ T8592]   task_work_run+0x145/0x1c0
[   76.063708][ T8592]   exit_to_usermode_loop+0x273/0x2c0
[   76.069079][ T8592]   do_syscall_64+0x58e/0x680
[   76.073847][ T8592]   entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   76.079808][ T8592] 
[   76.079808][ T8592] other info that might help us debug this:
[   76.079808][ T8592] 
[   76.090258][ T8592] Chain exists of:
[   76.090258][ T8592]   &(&ctx->ctx_lock)->rlock --> &ctx->fd_wqh --> &ctx->fault_pending_wqh
[   76.090258][ T8592] 
[   76.104817][ T8592]  Possible interrupt unsafe locking scenario:
[   76.104817][ T8592] 
[   76.113263][ T8592]        CPU0                    CPU1
[   76.118647][ T8592]        ----                    ----
[   76.123997][ T8592]   lock(&ctx->fault_pending_wqh);
[   76.129215][ T8592]                                local_irq_disable();
[   76.136812][ T8592]                                lock(&(&ctx->ctx_lock)->rlock);
[   76.144817][ T8592]                                lock(&ctx->fd_wqh);
[   76.151619][ T8592]   <Interrupt>
[   76.155073][ T8592]     lock(&(&ctx->ctx_lock)->rlock);
[   76.161346][ T8592] 
[   76.161346][ T8592]  *** DEADLOCK ***
[   76.161346][ T8592] 
[   76.169514][ T8592] 1 lock held by syz-executor.0/8592:
[   76.174939][ T8592]  #0: 000000009433f43b (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xeb5/0x2ef0
[   76.184874][ T8592] 
[   76.184874][ T8592] the dependencies between SOFTIRQ-irq-safe lock and the holding lock:
[   76.195504][ T8592] -> (&(&ctx->ctx_lock)->rlock){..-.} {
[   76.201121][ T8592]    IN-SOFTIRQ-W at:
[   76.205106][ T8592]                     lock_acquire+0x16f/0x3f0
[   76.211792][ T8592]                     _raw_spin_lock_irq+0x60/0x80
[   76.218461][ T8592]                     free_ioctx_users+0x2d/0x490
[   76.224941][ T8592]                     percpu_ref_switch_to_atomic_rcu+0x407/0x540
[   76.234125][ T8592]                     rcu_core+0xba5/0x1500
[   76.240183][ T8592]                     __do_softirq+0x25c/0x94c
[   76.246400][ T8592]                     irq_exit+0x180/0x1d0
[   76.252563][ T8592]                     smp_apic_timer_interrupt+0x13b/0x550
[   76.259981][ T8592]                     apic_timer_interrupt+0xf/0x20
[   76.266698][ T8592]                     native_safe_halt+0xe/0x10
[   76.273057][ T8592]                     arch_cpu_idle+0xa/0x10
[   76.279140][ T8592]                     default_idle_call+0x36/0x90
[   76.287330][ T8592]                     do_idle+0x377/0x560
[   76.293177][ T8592]                     cpu_startup_entry+0x1b/0x20
[   76.299605][ T8592]                     rest_init+0x245/0x37b
[   76.305513][ T8592]                     arch_call_rest_init+0xe/0x1b
[   76.312167][ T8592]                     start_kernel+0x854/0x893
[   76.318674][ T8592]                     x86_64_start_reservations+0x29/0x2b
[   76.326256][ T8592]                     x86_64_start_kernel+0x77/0x7b
[   76.332831][ T8592]                     secondary_startup_64+0xa4/0xb0
[   76.340014][ T8592]    INITIAL USE at:
[   76.344010][ T8592]                    lock_acquire+0x16f/0x3f0
[   76.350209][ T8592]                    _raw_spin_lock_irq+0x60/0x80
[   76.356648][ T8592]                    free_ioctx_users+0x2d/0x490
[   76.362981][ T8592]                    percpu_ref_switch_to_atomic_rcu+0x407/0x540
[   76.370689][ T8592]                    rcu_core+0xba5/0x1500
[   76.376616][ T8592]                    __do_softirq+0x25c/0x94c
[   76.382667][ T8592]                    irq_exit+0x180/0x1d0
[   76.388525][ T8592]                    smp_apic_timer_interrupt+0x13b/0x550
[   76.395737][ T8592]                    apic_timer_interrupt+0xf/0x20
[   76.402233][ T8592]                    native_safe_halt+0xe/0x10
[   76.408631][ T8592]                    arch_cpu_idle+0xa/0x10
[   76.414622][ T8592]                    default_idle_call+0x36/0x90
[   76.421132][ T8592]                    do_idle+0x377/0x560
[   76.426877][ T8592]                    cpu_startup_entry+0x1b/0x20
[   76.433410][ T8592]                    rest_init+0x245/0x37b
[   76.439423][ T8592]                    arch_call_rest_init+0xe/0x1b
[   76.445899][ T8592]                    start_kernel+0x854/0x893
[   76.451964][ T8592]                    x86_64_start_reservations+0x29/0x2b
[   76.459090][ T8592]                    x86_64_start_kernel+0x77/0x7b
[   76.465614][ T8592]                    secondary_startup_64+0xa4/0xb0
[   76.472176][ T8592]  }
[   76.474783][ T8592]  ... key      at: [<ffffffff8a67b220>] __key.53435+0x0/0x40
[   76.482222][ T8592]  ... acquired at:
[   76.486024][ T8592]    lock_acquire+0x16f/0x3f0
[   76.490913][ T8592]    _raw_spin_lock+0x2f/0x40
[   76.495766][ T8592]    io_submit_one+0xefa/0x2ef0
[   76.500616][ T8592]    __x64_sys_io_submit+0x1bd/0x570
[   76.505985][ T8592]    do_syscall_64+0xfd/0x680
[   76.510770][ T8592]    entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   76.517710][ T8592] 
[   76.520038][ T8592] 
[   76.520038][ T8592] the dependencies between the lock to be acquired
[   76.520044][ T8592]  and SOFTIRQ-irq-unsafe lock:
[   76.533779][ T8592]  -> (&ctx->fault_pending_wqh){+.+.} {
[   76.539609][ T8592]     HARDIRQ-ON-W at:
[   76.543816][ T8592]                       lock_acquire+0x16f/0x3f0
[   76.550216][ T8592]                       _raw_spin_lock+0x2f/0x40
[   76.556659][ T8592]                       userfaultfd_release+0x4ca/0x710
[   76.563741][ T8592]                       __fput+0x2ff/0x890
[   76.569717][ T8592]                       ____fput+0x16/0x20
[   76.575872][ T8592]                       task_work_run+0x145/0x1c0
[   76.582565][ T8592]                       exit_to_usermode_loop+0x273/0x2c0
[   76.589954][ T8592]                       do_syscall_64+0x58e/0x680
[   76.596482][ T8592]                       entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   76.604409][ T8592]     SOFTIRQ-ON-W at:
[   76.608612][ T8592]                       lock_acquire+0x16f/0x3f0
[   76.615095][ T8592]                       _raw_spin_lock+0x2f/0x40
[   76.621687][ T8592]                       userfaultfd_release+0x4ca/0x710
[   76.628727][ T8592]                       __fput+0x2ff/0x890
[   76.634538][ T8592]                       ____fput+0x16/0x20
[   76.640514][ T8592]                       task_work_run+0x145/0x1c0
[   76.647112][ T8592]                       exit_to_usermode_loop+0x273/0x2c0
[   76.654214][ T8592]                       do_syscall_64+0x58e/0x680
[   76.660843][ T8592]                       entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   76.668660][ T8592]     INITIAL USE at:
[   76.672641][ T8592]                      lock_acquire+0x16f/0x3f0
[   76.679587][ T8592]                      _raw_spin_lock+0x2f/0x40
[   76.685814][ T8592]                      userfaultfd_read+0x540/0x1940
[   76.692482][ T8592]                      __vfs_read+0x8a/0x110
[   76.698460][ T8592]                      vfs_read+0x194/0x3e0
[   76.704517][ T8592]                      ksys_read+0x14f/0x290
[   76.710498][ T8592]                      __x64_sys_read+0x73/0xb0
[   76.716724][ T8592]                      do_syscall_64+0xfd/0x680
[   76.722953][ T8592]                      entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   76.730574][ T8592]   }
[   76.733252][ T8592]   ... key      at: [<ffffffff8a67b060>] __key.46108+0x0/0x40
[   76.740881][ T8592]   ... acquired at:
[   76.744941][ T8592]    _raw_spin_lock+0x2f/0x40
[   76.749595][ T8592]    userfaultfd_read+0x540/0x1940
[   76.754853][ T8592]    __vfs_read+0x8a/0x110
[   76.759277][ T8592]    vfs_read+0x194/0x3e0
[   76.763663][ T8592]    ksys_read+0x14f/0x290
[   76.768092][ T8592]    __x64_sys_read+0x73/0xb0
[   76.772757][ T8592]    do_syscall_64+0xfd/0x680
[   76.777414][ T8592]    entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   76.783461][ T8592] 
[   76.785767][ T8592] -> (&ctx->fd_wqh){....} {
[   76.790403][ T8592]    INITIAL USE at:
[   76.794457][ T8592]                    lock_acquire+0x16f/0x3f0
[   76.800512][ T8592]                    _raw_spin_lock_irq+0x60/0x80
[   76.807003][ T8592]                    userfaultfd_read+0x27a/0x1940
[   76.813504][ T8592]                    __vfs_read+0x8a/0x110
[   76.819420][ T8592]                    vfs_read+0x194/0x3e0
[   76.825121][ T8592]                    ksys_read+0x14f/0x290
[   76.830997][ T8592]                    __x64_sys_read+0x73/0xb0
[   76.837059][ T8592]                    do_syscall_64+0xfd/0x680
[   76.843235][ T8592]                    entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   76.850758][ T8592]  }
[   76.853255][ T8592]  ... key      at: [<ffffffff8a67afa0>] __key.46111+0x0/0x40
[   76.860694][ T8592]  ... acquired at:
[   76.864591][ T8592]    lock_acquire+0x16f/0x3f0
[   76.869273][ T8592]    _raw_spin_lock+0x2f/0x40
[   76.873936][ T8592]    io_submit_one+0xefa/0x2ef0
[   76.878845][ T8592]    __x64_sys_io_submit+0x1bd/0x570
[   76.884249][ T8592]    do_syscall_64+0xfd/0x680
[   76.888922][ T8592]    entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   76.895054][ T8592] 
[   76.897480][ T8592] 
[   76.897480][ T8592] stack backtrace:
[   76.903366][ T8592] CPU: 0 PID: 8592 Comm: syz-executor.0 Not tainted 5.2.0-rc6+ #41
[   76.911232][ T8592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   76.921389][ T8592] Call Trace:
[   76.924675][ T8592]  dump_stack+0x172/0x1f0
[   76.929114][ T8592]  check_irq_usage.cold+0x711/0xba0
[   76.934311][ T8592]  ? check_usage_forwards+0x370/0x370
[   76.940054][ T8592]  ? is_dynamic_key+0x1c0/0x1c0
[   76.945142][ T8592]  ? __lock_acquire+0x54f/0x5490
[   76.950179][ T8592]  ? graph_lock+0x7b/0x200
[   76.954588][ T8592]  ? is_dynamic_key+0x1c0/0x1c0
[   76.959434][ T8592]  __lock_acquire+0x2469/0x5490
[   76.964269][ T8592]  ? __lock_acquire+0x2469/0x5490
[   76.969276][ T8592]  ? mark_held_locks+0xf0/0xf0
[   76.974025][ T8592]  ? find_held_lock+0x35/0x130
[   76.978779][ T8592]  ? mark_held_locks+0xf0/0xf0
[   76.983521][ T8592]  ? kasan_check_write+0x14/0x20
[   76.988551][ T8592]  ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[   76.994472][ T8592]  ? add_wait_queue+0x112/0x170
[   76.999328][ T8592]  ? lockdep_hardirqs_on+0x418/0x5d0
[   77.004612][ T8592]  ? trace_hardirqs_on+0x67/0x220
[   77.009758][ T8592]  ? kasan_check_read+0x11/0x20
[   77.014598][ T8592]  lock_acquire+0x16f/0x3f0
[   77.019088][ T8592]  ? io_submit_one+0xefa/0x2ef0
[   77.024053][ T8592]  _raw_spin_lock+0x2f/0x40
[   77.028660][ T8592]  ? io_submit_one+0xefa/0x2ef0
[   77.033515][ T8592]  io_submit_one+0xefa/0x2ef0
[   77.038286][ T8592]  ? mark_held_locks+0xf0/0xf0
[   77.043057][ T8592]  ? ioctx_alloc+0x1db0/0x1db0
[   77.047820][ T8592]  ? __might_fault+0x12b/0x1e0
[   77.052564][ T8592]  ? aio_setup_rw+0x180/0x180
[   77.057470][ T8592]  __x64_sys_io_submit+0x1bd/0x570
[   77.062594][ T8592]  ? __x64_sys_io_submit+0x1bd/0x570
[   77.067864][ T8592]  ? __ia32_sys_io_destroy+0x420/0x420
[   77.073304][ T8592]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   77.078825][ T8592]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   77.084531][ T8592]  ? do_syscall_64+0x26/0x680
[   77.089214][ T8592]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   77.095490][ T8592]  ? do_syscall_64+0x26/0x680
[   77.100338][ T8592]  ? lockdep_hardirqs_on+0x418/0x5d0
[   77.107634][ T8592]  do_syscall_64+0xfd/0x680
[   77.115535][ T8592]  ? do_syscall_64+0xfd/0x680
[   77.120302][ T8592]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   77.126298][ T8592] RIP: 0033:0x459519
[   77.130385][ T8592] 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
[   77.150319][ T8592] RSP: 002b:00007f8c26dcac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
[   77.158834][ T8592] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459519
[   77.166789][ T8592] RDX: 0000000020000600 RSI: 0000000000000001 RDI: 00007f8c26dcc000
[   77.174739][ T8592] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[   77.182686][ T8592] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8c26dcb6d4
[   77.190646][ T8592] R13: 00000000004c0898 R14: 00000000004d3548 R15: 00000000ffffffff
2019/06/27 18:32:55 executed programs: 4
[   77.296477][ T3878] kobject: 'loop0' (00000000b4b9f3e9): kobject_uevent_env
[   77.304307][ T3878] kobject: 'loop0' (00000000b4b9f3e9): fill_kobj_path: path = '/devices/virtual/block/loop0'
[   78.185925][ T3878] kobject: 'loop0' (00000000b4b9f3e9): kobject_uevent_env
[   78.193233][ T3878] kobject: 'loop0' (00000000b4b9f3e9): fill_kobj_path: path = '/devices/virtual/block/loop0'
[   79.116036][ T3878] kobject: 'loop0' (00000000b4b9f3e9): kobject_uevent_env
[   79.123291][ T3878] kobject: 'loop0' (00000000b4b9f3e9): fill_kobj_path: path = '/devices/virtual/block/loop0'
[   80.055544][ T3878] kobject: 'loop0' (00000000b4b9f3e9): kobject_uevent_env
[   80.062763][ T3878] kobject: 'loop0' (00000000b4b9f3e9): fill_kobj_path: path = '/devices/virtual/block/loop0'
[   80.996308][ T3878] kobject: 'loop0' (00000000b4b9f3e9): kobject_uevent_env
[   81.003694][ T3878] kobject: 'loop0' (00000000b4b9f3e9): fill_kobj_path: path = '/devices/virtual/block/loop0'
[   81.915453][ T3878] kobject: 'loop0' (00000000b4b9f3e9): kobject_uevent_env
[   81.922852][ T3878] kobject: 'loop0' (00000000b4b9f3e9): fill_kobj_path: path = '/devices/virtual/block/loop0'
2019/06/27 18:33:00 executed programs: 10
[   82.866451][ T3878] kobject: 'loop0' (00000000b4b9f3e9): kobject_uevent_env
[   82.873927][ T3878] kobject: 'loop0' (00000000b4b9f3e9): fill_kobj_path: path = '/devices/virtual/block/loop0'
[   83.795855][ T3878] kobject: 'loop0' (00000000b4b9f3e9): kobject_uevent_env
[   83.803121][ T3878] kobject: 'loop0' (00000000b4b9f3e9): fill_kobj_path: path = '/devices/virtual/block/loop0'
[   84.746191][ T3878] kobject: 'loop0' (00000000b4b9f3e9): kobject_uevent_env
[   84.753538][ T3878] kobject: 'loop0' (00000000b4b9f3e9): fill_kobj_path: path = '/devices/virtual/block/loop0'
[   85.635657][ T3878] kobject: 'loop0' (00000000b4b9f3e9): kobject_uevent_env
[   85.643044][ T3878] kobject: 'loop0' (00000000b4b9f3e9): fill_kobj_path: path = '/devices/virtual/block/loop0'