[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 60.310139][ T26] audit: type=1800 audit(1561845959.660:25): pid=8722 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 60.332828][ T26] audit: type=1800 audit(1561845959.670:26): pid=8722 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 60.422286][ T26] audit: type=1800 audit(1561845959.670:27): pid=8722 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 '10.128.0.138' (ECDSA) to the list of known hosts. 2019/06/29 22:12:52 parsed 1 programs 2019/06/29 22:12:54 executed programs: 0 syzkaller login: [ 474.848477][ T8890] IPVS: ftp: loaded support on port[0] = 21 [ 474.911045][ T8890] chnl_net:caif_netlink_parms(): no params data found [ 474.939572][ T8890] bridge0: port 1(bridge_slave_0) entered blocking state [ 474.947350][ T8890] bridge0: port 1(bridge_slave_0) entered disabled state [ 474.955242][ T8890] device bridge_slave_0 entered promiscuous mode [ 474.963843][ T8890] bridge0: port 2(bridge_slave_1) entered blocking state [ 474.971013][ T8890] bridge0: port 2(bridge_slave_1) entered disabled state [ 474.979004][ T8890] device bridge_slave_1 entered promiscuous mode [ 474.996613][ T8890] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 475.006658][ T8890] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 475.026187][ T8890] team0: Port device team_slave_0 added [ 475.033149][ T8890] team0: Port device team_slave_1 added [ 475.113975][ T8890] device hsr_slave_0 entered promiscuous mode [ 475.182496][ T8890] device hsr_slave_1 entered promiscuous mode [ 475.250933][ T8890] bridge0: port 2(bridge_slave_1) entered blocking state [ 475.258138][ T8890] bridge0: port 2(bridge_slave_1) entered forwarding state [ 475.265994][ T8890] bridge0: port 1(bridge_slave_0) entered blocking state [ 475.273095][ T8890] bridge0: port 1(bridge_slave_0) entered forwarding state [ 475.308142][ T8890] 8021q: adding VLAN 0 to HW filter on device bond0 [ 475.319382][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 475.340239][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 475.348187][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 475.357463][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 475.368647][ T8890] 8021q: adding VLAN 0 to HW filter on device team0 [ 475.379332][ T8894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 475.388504][ T8894] bridge0: port 1(bridge_slave_0) entered blocking state [ 475.395755][ T8894] bridge0: port 1(bridge_slave_0) entered forwarding state [ 475.407175][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 475.416488][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 475.423621][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 475.441982][ T8894] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 475.459822][ T8890] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 475.471480][ T8890] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 475.484464][ T8894] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 475.493310][ T8894] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 475.501627][ T8894] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 475.510847][ T8894] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 475.519187][ T8894] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 475.538969][ T8890] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/06/29 22:12:59 executed programs: 5 2019/06/29 22:13:05 executed programs: 11 2019/06/29 22:13:11 executed programs: 17 2019/06/29 22:13:16 executed programs: 23 [ 500.058128][ T9030] [ 500.060677][ T9030] ===================================================== [ 500.068097][ T9030] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 500.078184][ T9030] 5.2.0-rc6+ #63 Not tainted [ 500.083535][ T9030] ----------------------------------------------------- [ 500.091712][ T9030] syz-executor.0/9030 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 500.100881][ T9030] 00000000834fa31b (&ctx->fd_wqh){....}, at: io_submit_one+0xefa/0x2ef0 [ 500.110010][ T9030] [ 500.110010][ T9030] and this task is already holding: [ 500.119055][ T9030] 000000005ff5f4fb (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xeb5/0x2ef0 [ 500.130098][ T9030] which would create a new lock dependency: [ 500.138672][ T9030] (&(&ctx->ctx_lock)->rlock){..-.} -> (&ctx->fd_wqh){....} [ 500.146657][ T9030] [ 500.146657][ T9030] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 500.157009][ T9030] (&(&ctx->ctx_lock)->rlock){..-.} [ 500.157018][ T9030] [ 500.157018][ T9030] ... which became SOFTIRQ-irq-safe at: [ 500.171146][ T9030] lock_acquire+0x16f/0x3f0 [ 500.176572][ T9030] _raw_spin_lock_irq+0x60/0x80 [ 500.182704][ T9030] free_ioctx_users+0x2d/0x490 [ 500.187956][ T9030] percpu_ref_switch_to_atomic_rcu+0x407/0x540 [ 500.195753][ T9030] rcu_core+0xba5/0x1500 [ 500.202299][ T9030] __do_softirq+0x25c/0x94c [ 500.207411][ T9030] irq_exit+0x180/0x1d0 [ 500.212744][ T9030] smp_apic_timer_interrupt+0x13b/0x550 [ 500.218954][ T9030] apic_timer_interrupt+0xf/0x20 [ 500.224547][ T9030] native_safe_halt+0xe/0x10 [ 500.229896][ T9030] arch_cpu_idle+0xa/0x10 [ 500.234485][ T9030] default_idle_call+0x36/0x90 [ 500.239947][ T9030] do_idle+0x377/0x560 [ 500.244340][ T9030] cpu_startup_entry+0x1b/0x20 [ 500.250043][ T9030] rest_init+0x245/0x37b [ 500.254436][ T9030] arch_call_rest_init+0xe/0x1b [ 500.261334][ T9030] start_kernel+0x854/0x893 [ 500.266758][ T9030] x86_64_start_reservations+0x29/0x2b [ 500.273120][ T9030] x86_64_start_kernel+0x77/0x7b [ 500.278947][ T9030] secondary_startup_64+0xa4/0xb0 [ 500.284885][ T9030] [ 500.284885][ T9030] to a SOFTIRQ-irq-unsafe lock: [ 500.292366][ T9030] (&ctx->fault_pending_wqh){+.+.} [ 500.292374][ T9030] [ 500.292374][ T9030] ... which became SOFTIRQ-irq-unsafe at: [ 500.306529][ T9030] ... [ 500.306546][ T9030] lock_acquire+0x16f/0x3f0 [ 500.315274][ T9030] _raw_spin_lock+0x2f/0x40 [ 500.320508][ T9030] userfaultfd_release+0x4ca/0x710 [ 500.326002][ T9030] __fput+0x2ff/0x890 [ 500.330765][ T9030] ____fput+0x16/0x20 [ 500.335128][ T9030] task_work_run+0x145/0x1c0 [ 500.339961][ T9030] get_signal+0x201b/0x24b0 [ 500.345057][ T9030] do_signal+0x87/0x1900 [ 500.349996][ T9030] exit_to_usermode_loop+0x244/0x2c0 [ 500.356440][ T9030] do_syscall_64+0x58e/0x680 [ 500.361361][ T9030] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 500.367910][ T9030] [ 500.367910][ T9030] other info that might help us debug this: [ 500.367910][ T9030] [ 500.379292][ T9030] Chain exists of: [ 500.379292][ T9030] &(&ctx->ctx_lock)->rlock --> &ctx->fd_wqh --> &ctx->fault_pending_wqh [ 500.379292][ T9030] [ 500.394119][ T9030] Possible interrupt unsafe locking scenario: [ 500.394119][ T9030] [ 500.404053][ T9030] CPU0 CPU1 [ 500.409790][ T9030] ---- ---- [ 500.415911][ T9030] lock(&ctx->fault_pending_wqh); [ 500.421275][ T9030] local_irq_disable(); [ 500.428224][ T9030] lock(&(&ctx->ctx_lock)->rlock); [ 500.436263][ T9030] lock(&ctx->fd_wqh); [ 500.443681][ T9030] [ 500.447272][ T9030] lock(&(&ctx->ctx_lock)->rlock); [ 500.453383][ T9030] [ 500.453383][ T9030] *** DEADLOCK *** [ 500.453383][ T9030] [ 500.462530][ T9030] 1 lock held by syz-executor.0/9030: [ 500.468525][ T9030] #0: 000000005ff5f4fb (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xeb5/0x2ef0 [ 500.479595][ T9030] [ 500.479595][ T9030] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 500.490686][ T9030] -> (&(&ctx->ctx_lock)->rlock){..-.} { [ 500.498794][ T9030] IN-SOFTIRQ-W at: [ 500.503355][ T9030] lock_acquire+0x16f/0x3f0 [ 500.511020][ T9030] _raw_spin_lock_irq+0x60/0x80 [ 500.518119][ T9030] free_ioctx_users+0x2d/0x490 [ 500.525074][ T9030] percpu_ref_switch_to_atomic_rcu+0x407/0x540 [ 500.533721][ T9030] rcu_core+0xba5/0x1500 [ 500.541851][ T9030] __do_softirq+0x25c/0x94c [ 500.548685][ T9030] irq_exit+0x180/0x1d0 [ 500.555469][ T9030] smp_apic_timer_interrupt+0x13b/0x550 [ 500.563643][ T9030] apic_timer_interrupt+0xf/0x20 [ 500.572108][ T9030] native_safe_halt+0xe/0x10 [ 500.578619][ T9030] arch_cpu_idle+0xa/0x10 [ 500.585322][ T9030] default_idle_call+0x36/0x90 [ 500.592934][ T9030] do_idle+0x377/0x560 [ 500.599298][ T9030] cpu_startup_entry+0x1b/0x20 [ 500.606508][ T9030] rest_init+0x245/0x37b [ 500.613207][ T9030] arch_call_rest_init+0xe/0x1b [ 500.621071][ T9030] start_kernel+0x854/0x893 [ 500.629306][ T9030] x86_64_start_reservations+0x29/0x2b [ 500.638414][ T9030] x86_64_start_kernel+0x77/0x7b [ 500.646102][ T9030] secondary_startup_64+0xa4/0xb0 [ 500.654051][ T9030] INITIAL USE at: [ 500.658865][ T9030] lock_acquire+0x16f/0x3f0 [ 500.665505][ T9030] _raw_spin_lock_irq+0x60/0x80 [ 500.672679][ T9030] free_ioctx_users+0x2d/0x490 [ 500.681040][ T9030] percpu_ref_switch_to_atomic_rcu+0x407/0x540 [ 500.690819][ T9030] rcu_core+0xba5/0x1500 [ 500.698504][ T9030] __do_softirq+0x25c/0x94c [ 500.705474][ T9030] irq_exit+0x180/0x1d0 [ 500.712353][ T9030] smp_apic_timer_interrupt+0x13b/0x550 [ 500.720480][ T9030] apic_timer_interrupt+0xf/0x20 [ 500.728135][ T9030] native_safe_halt+0xe/0x10 [ 500.735837][ T9030] arch_cpu_idle+0xa/0x10 [ 500.742306][ T9030] default_idle_call+0x36/0x90 [ 500.748992][ T9030] do_idle+0x377/0x560 [ 500.755591][ T9030] cpu_startup_entry+0x1b/0x20 [ 500.763422][ T9030] rest_init+0x245/0x37b [ 500.770054][ T9030] arch_call_rest_init+0xe/0x1b [ 500.777472][ T9030] start_kernel+0x854/0x893 [ 500.785077][ T9030] x86_64_start_reservations+0x29/0x2b [ 500.794122][ T9030] x86_64_start_kernel+0x77/0x7b [ 500.801555][ T9030] secondary_startup_64+0xa4/0xb0 [ 500.808696][ T9030] } [ 500.811790][ T9030] ... key at: [] __key.53436+0x0/0x40 [ 500.820875][ T9030] ... acquired at: [ 500.825293][ T9030] lock_acquire+0x16f/0x3f0 [ 500.830925][ T9030] _raw_spin_lock+0x2f/0x40 [ 500.836410][ T9030] io_submit_one+0xefa/0x2ef0 [ 500.842124][ T9030] __x64_sys_io_submit+0x1bd/0x570 [ 500.848561][ T9030] do_syscall_64+0xfd/0x680 [ 500.854341][ T9030] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 500.860745][ T9030] [ 500.863635][ T9030] [ 500.863635][ T9030] the dependencies between the lock to be acquired [ 500.863639][ T9030] and SOFTIRQ-irq-unsafe lock: [ 500.880008][ T9030] -> (&ctx->fault_pending_wqh){+.+.} { [ 500.886023][ T9030] HARDIRQ-ON-W at: [ 500.890950][ T9030] lock_acquire+0x16f/0x3f0 [ 500.897835][ T9030] _raw_spin_lock+0x2f/0x40 [ 500.904605][ T9030] userfaultfd_release+0x4ca/0x710 [ 500.912655][ T9030] __fput+0x2ff/0x890 [ 500.919102][ T9030] ____fput+0x16/0x20 [ 500.926442][ T9030] task_work_run+0x145/0x1c0 [ 500.934353][ T9030] get_signal+0x201b/0x24b0 [ 500.941480][ T9030] do_signal+0x87/0x1900 [ 500.948979][ T9030] exit_to_usermode_loop+0x244/0x2c0 [ 500.957293][ T9030] do_syscall_64+0x58e/0x680 [ 500.964718][ T9030] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 500.973086][ T9030] SOFTIRQ-ON-W at: [ 500.977166][ T9030] lock_acquire+0x16f/0x3f0 [ 500.985791][ T9030] _raw_spin_lock+0x2f/0x40 [ 500.993766][ T9030] userfaultfd_release+0x4ca/0x710 [ 501.002403][ T9030] __fput+0x2ff/0x890 [ 501.009022][ T9030] ____fput+0x16/0x20 [ 501.016190][ T9030] task_work_run+0x145/0x1c0 [ 501.024089][ T9030] get_signal+0x201b/0x24b0 [ 501.031531][ T9030] do_signal+0x87/0x1900 [ 501.038698][ T9030] exit_to_usermode_loop+0x244/0x2c0 [ 501.046493][ T9030] do_syscall_64+0x58e/0x680 [ 501.054132][ T9030] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 501.062888][ T9030] INITIAL USE at: [ 501.067562][ T9030] lock_acquire+0x16f/0x3f0 [ 501.074332][ T9030] _raw_spin_lock+0x2f/0x40 [ 501.081096][ T9030] userfaultfd_read+0x540/0x1940 [ 501.088677][ T9030] __vfs_read+0x8a/0x110 [ 501.095649][ T9030] vfs_read+0x194/0x3e0 [ 501.102297][ T9030] ksys_read+0x14f/0x290 [ 501.109710][ T9030] __x64_sys_read+0x73/0xb0 [ 501.116752][ T9030] do_syscall_64+0xfd/0x680 [ 501.123729][ T9030] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 501.132906][ T9030] } [ 501.136510][ T9030] ... key at: [] __key.46109+0x0/0x40 [ 501.147480][ T9030] ... acquired at: [ 501.152020][ T9030] _raw_spin_lock+0x2f/0x40 [ 501.157101][ T9030] userfaultfd_read+0x540/0x1940 [ 501.162757][ T9030] __vfs_read+0x8a/0x110 [ 501.168453][ T9030] vfs_read+0x194/0x3e0 [ 501.172962][ T9030] ksys_read+0x14f/0x290 [ 501.177764][ T9030] __x64_sys_read+0x73/0xb0 [ 501.183394][ T9030] do_syscall_64+0xfd/0x680 [ 501.189822][ T9030] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 501.196630][ T9030] [ 501.199491][ T9030] -> (&ctx->fd_wqh){....} { [ 501.204221][ T9030] INITIAL USE at: [ 501.208593][ T9030] lock_acquire+0x16f/0x3f0 [ 501.215593][ T9030] _raw_spin_lock_irq+0x60/0x80 [ 501.222801][ T9030] userfaultfd_read+0x27a/0x1940 [ 501.230642][ T9030] __vfs_read+0x8a/0x110 [ 501.237337][ T9030] vfs_read+0x194/0x3e0 [ 501.243425][ T9030] ksys_read+0x14f/0x290 [ 501.250322][ T9030] __x64_sys_read+0x73/0xb0 [ 501.256756][ T9030] do_syscall_64+0xfd/0x680 [ 501.264106][ T9030] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 501.272686][ T9030] } [ 501.275681][ T9030] ... key at: [] __key.46112+0x0/0x40 [ 501.284307][ T9030] ... acquired at: [ 501.289154][ T9030] lock_acquire+0x16f/0x3f0 [ 501.294573][ T9030] _raw_spin_lock+0x2f/0x40 [ 501.299680][ T9030] io_submit_one+0xefa/0x2ef0 [ 501.305279][ T9030] __x64_sys_io_submit+0x1bd/0x570 [ 501.311843][ T9030] do_syscall_64+0xfd/0x680 [ 501.316967][ T9030] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 501.324416][ T9030] [ 501.327097][ T9030] [ 501.327097][ T9030] stack backtrace: [ 501.334629][ T9030] CPU: 1 PID: 9030 Comm: syz-executor.0 Not tainted 5.2.0-rc6+ #63 [ 501.343534][ T9030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 501.354544][ T9030] Call Trace: [ 501.358194][ T9030] dump_stack+0x172/0x1f0 [ 501.363249][ T9030] check_irq_usage.cold+0x711/0xba0 [ 501.369613][ T9030] ? check_usage_forwards+0x370/0x370 [ 501.375720][ T9030] ? is_dynamic_key+0x1c0/0x1c0 [ 501.381216][ T9030] ? __lock_acquire+0x54f/0x5490 [ 501.386876][ T9030] ? graph_lock+0x7b/0x200 [ 501.391539][ T9030] ? is_dynamic_key+0x1c0/0x1c0 [ 501.396822][ T9030] __lock_acquire+0x2469/0x5490 [ 501.402069][ T9030] ? __lock_acquire+0x2469/0x5490 [ 501.408046][ T9030] ? mark_held_locks+0xf0/0xf0 [ 501.413902][ T9030] ? find_held_lock+0x35/0x130 [ 501.419342][ T9030] ? mark_held_locks+0xf0/0xf0 [ 501.424737][ T9030] ? kasan_check_write+0x14/0x20 [ 501.442151][ T9030] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 501.449151][ T9030] ? add_wait_queue+0x112/0x170 [ 501.454236][ T9030] ? lockdep_hardirqs_on+0x418/0x5d0 [ 501.460577][ T9030] ? trace_hardirqs_on+0x67/0x220 [ 501.466886][ T9030] ? kasan_check_read+0x11/0x20 [ 501.471933][ T9030] lock_acquire+0x16f/0x3f0 [ 501.477007][ T9030] ? io_submit_one+0xefa/0x2ef0 [ 501.482821][ T9030] _raw_spin_lock+0x2f/0x40 [ 501.488434][ T9030] ? io_submit_one+0xefa/0x2ef0 [ 501.494158][ T9030] io_submit_one+0xefa/0x2ef0 [ 501.499185][ T9030] ? mark_held_locks+0xf0/0xf0 [ 501.504639][ T9030] ? ioctx_alloc+0x1db0/0x1db0 [ 501.509671][ T9030] ? __might_fault+0x12b/0x1e0 [ 501.514873][ T9030] ? aio_setup_rw+0x180/0x180 [ 501.520409][ T9030] __x64_sys_io_submit+0x1bd/0x570 [ 501.526454][ T9030] ? __x64_sys_io_submit+0x1bd/0x570 [ 501.532160][ T9030] ? __ia32_sys_io_destroy+0x420/0x420 [ 501.538302][ T9030] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 501.546400][ T9030] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 501.552595][ T9030] ? do_syscall_64+0x26/0x680 [ 501.558007][ T9030] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 501.564250][ T9030] ? do_syscall_64+0x26/0x680 [ 501.569674][ T9030] ? lockdep_hardirqs_on+0x418/0x5d0 [ 501.575682][ T9030] do_syscall_64+0xfd/0x680 [ 501.580833][ T9030] ? do_syscall_64+0xfd/0x680 [ 501.585909][ T9030] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 501.592279][ T9030] RIP: 0033:0x459519 [ 501.596527][ T9030] 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 [ 501.618349][ T9030] RSP: 002b:00007f4703435c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 501.628059][ T9030] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459519 [ 501.636741][ T9030] RDX: 0000000020000600 RSI: 0000000000000001 RDI: 00007f4703437000 [ 501.645266][ T9030] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 501.654063][ T9030] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f47034366d4 [ 501.663146][ T9030] R13: 00000000004c0898 R14: 00000000004d3548 R15: 00000000ffffffff [ 501.777494][ T3879] kobject: 'loop0' (00000000f4c85254): kobject_uevent_env [ 501.785593][ T3879] kobject: 'loop0' (00000000f4c85254): fill_kobj_path: path = '/devices/virtual/block/loop0' 2019/06/29 22:13:22 executed programs: 27 [ 502.718740][ T3879] kobject: 'loop0' (00000000f4c85254): kobject_uevent_env [ 502.726288][ T3879] kobject: 'loop0' (00000000f4c85254): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 503.678385][ T3879] kobject: 'loop0' (00000000f4c85254): kobject_uevent_env [ 503.685615][ T3879] kobject: 'loop0' (00000000f4c85254): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 504.607823][ T3879] kobject: 'loop0' (00000000f4c85254): kobject_uevent_env [ 504.616407][ T3879] kobject: 'loop0' (00000000f4c85254): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 505.537295][ T3879] kobject: 'loop0' (00000000f4c85254): kobject_uevent_env [ 505.545256][ T3879] kobject: 'loop0' (00000000f4c85254): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 506.417453][ T3879] kobject: 'loop0' (00000000f4c85254): kobject_uevent_env [ 506.426372][ T3879] kobject: 'loop0' (00000000f4c85254): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 507.318106][ T3879] kobject: 'loop0' (00000000f4c85254): kobject_uevent_env [ 507.326488][ T3879] kobject: 'loop0' (00000000f4c85254): fill_kobj_path: path = '/devices/virtual/block/loop0' 2019/06/29 22:13:27 executed programs: 33 [ 508.217738][ T3879] kobject: 'loop0' (00000000f4c85254): kobject_uevent_env [ 508.225346][ T3879] kobject: 'loop0' (00000000f4c85254): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 509.118267][ T3879] kobject: 'loop0' (00000000f4c85254): kobject_uevent_env [ 509.126897][ T3879] kobject: 'loop0' (00000000f4c85254): fill_kobj_path: path = '/devices/virtual/block/loop0'