[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 60.222708][ T26] audit: type=1800 audit(1560975997.646:25): pid=8648 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 60.260785][ T26] audit: type=1800 audit(1560975997.646:26): pid=8648 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 60.305253][ T26] audit: type=1800 audit(1560975997.656:27): pid=8648 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 '10.128.0.18' (ECDSA) to the list of known hosts. 2019/06/19 20:26:57 parsed 1 programs 2019/06/19 20:26:59 executed programs: 0 syzkaller login: [ 81.658521][ T8816] IPVS: ftp: loaded support on port[0] = 21 [ 81.722549][ T8816] chnl_net:caif_netlink_parms(): no params data found [ 81.749284][ T8816] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.757449][ T8816] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.765671][ T8816] device bridge_slave_0 entered promiscuous mode [ 81.774196][ T8816] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.781609][ T8816] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.789327][ T8816] device bridge_slave_1 entered promiscuous mode [ 81.806641][ T8816] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 81.816633][ T8816] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 81.835287][ T8816] team0: Port device team_slave_0 added [ 81.842340][ T8816] team0: Port device team_slave_1 added [ 81.902928][ T8816] device hsr_slave_0 entered promiscuous mode [ 81.940845][ T8816] device hsr_slave_1 entered promiscuous mode [ 81.990083][ T8816] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.997308][ T8816] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.005136][ T8816] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.012270][ T8816] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.045804][ T8816] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.058166][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.079441][ T2993] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.087947][ T2993] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.097311][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 82.109117][ T8816] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.119923][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.129032][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.136138][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.162029][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.170904][ T2993] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.178261][ T2993] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.194076][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.202870][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.211802][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.220035][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.229996][ T8816] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.239071][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.258354][ T8816] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 85.011042][ T8835] [ 85.013394][ T8835] ===================================================== [ 85.020465][ T8835] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 85.027916][ T8835] 5.2.0-rc5+ #56 Not tainted [ 85.032839][ T8835] ----------------------------------------------------- [ 85.039770][ T8835] syz-executor.0/8835 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 85.047736][ T8835] 00000000702a0e1d (&ctx->fd_wqh){....}, at: io_submit_one+0xefa/0x2ef0 [ 85.056230][ T8835] [ 85.056230][ T8835] and this task is already holding: [ 85.063595][ T8835] 00000000af376cdf (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xeb5/0x2ef0 [ 85.072973][ T8835] which would create a new lock dependency: [ 85.079227][ T8835] (&(&ctx->ctx_lock)->rlock){..-.} -> (&ctx->fd_wqh){....} [ 85.086636][ T8835] [ 85.086636][ T8835] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 85.096199][ T8835] (&(&ctx->ctx_lock)->rlock){..-.} [ 85.096211][ T8835] [ 85.096211][ T8835] ... which became SOFTIRQ-irq-safe at: [ 85.110108][ T8835] lock_acquire+0x16f/0x3f0 [ 85.114710][ T8835] _raw_spin_lock_irq+0x60/0x80 [ 85.120050][ T8835] free_ioctx_users+0x2d/0x490 [ 85.125376][ T8835] percpu_ref_switch_to_atomic_rcu+0x407/0x540 [ 85.133107][ T8835] rcu_core+0xba5/0x1500 [ 85.137675][ T8835] __do_softirq+0x25c/0x94c [ 85.142256][ T8835] irq_exit+0x180/0x1d0 [ 85.146578][ T8835] smp_apic_timer_interrupt+0x13b/0x550 [ 85.152208][ T8835] apic_timer_interrupt+0xf/0x20 [ 85.157491][ T8835] native_safe_halt+0xe/0x10 [ 85.162328][ T8835] arch_cpu_idle+0xa/0x10 [ 85.166765][ T8835] default_idle_call+0x36/0x90 [ 85.171679][ T8835] do_idle+0x377/0x560 [ 85.175964][ T8835] cpu_startup_entry+0x1b/0x20 [ 85.181253][ T8835] rest_init+0x245/0x37b [ 85.185930][ T8835] arch_call_rest_init+0xe/0x1b [ 85.193670][ T8835] start_kernel+0x854/0x893 [ 85.198271][ T8835] x86_64_start_reservations+0x29/0x2b [ 85.204666][ T8835] x86_64_start_kernel+0x77/0x7b [ 85.210052][ T8835] secondary_startup_64+0xa4/0xb0 [ 85.217715][ T8835] [ 85.217715][ T8835] to a SOFTIRQ-irq-unsafe lock: [ 85.225760][ T8835] (&ctx->fault_pending_wqh){+.+.} [ 85.225771][ T8835] [ 85.225771][ T8835] ... which became SOFTIRQ-irq-unsafe at: [ 85.239179][ T8835] ... [ 85.239204][ T8835] lock_acquire+0x16f/0x3f0 [ 85.247346][ T8835] _raw_spin_lock+0x2f/0x40 [ 85.251932][ T8835] userfaultfd_release+0x4ca/0x710 [ 85.257234][ T8835] __fput+0x2ff/0x890 [ 85.261318][ T8835] ____fput+0x16/0x20 [ 85.265375][ T8835] task_work_run+0x145/0x1c0 [ 85.270993][ T8835] get_signal+0x201b/0x24b0 [ 85.275695][ T8835] do_signal+0x87/0x1900 [ 85.280305][ T8835] exit_to_usermode_loop+0x244/0x2c0 [ 85.285682][ T8835] do_syscall_64+0x58e/0x680 [ 85.290587][ T8835] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.296864][ T8835] [ 85.296864][ T8835] other info that might help us debug this: [ 85.296864][ T8835] [ 85.307757][ T8835] Chain exists of: [ 85.307757][ T8835] &(&ctx->ctx_lock)->rlock --> &ctx->fd_wqh --> &ctx->fault_pending_wqh [ 85.307757][ T8835] [ 85.322226][ T8835] Possible interrupt unsafe locking scenario: [ 85.322226][ T8835] [ 85.332015][ T8835] CPU0 CPU1 [ 85.337393][ T8835] ---- ---- [ 85.342753][ T8835] lock(&ctx->fault_pending_wqh); [ 85.348028][ T8835] local_irq_disable(); [ 85.354886][ T8835] lock(&(&ctx->ctx_lock)->rlock); [ 85.362788][ T8835] lock(&ctx->fd_wqh); [ 85.369676][ T8835] [ 85.373208][ T8835] lock(&(&ctx->ctx_lock)->rlock); [ 85.378661][ T8835] [ 85.378661][ T8835] *** DEADLOCK *** [ 85.378661][ T8835] [ 85.386906][ T8835] 1 lock held by syz-executor.0/8835: [ 85.392516][ T8835] #0: 00000000af376cdf (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xeb5/0x2ef0 [ 85.402473][ T8835] [ 85.402473][ T8835] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 85.412971][ T8835] -> (&(&ctx->ctx_lock)->rlock){..-.} { [ 85.418658][ T8835] IN-SOFTIRQ-W at: [ 85.422763][ T8835] lock_acquire+0x16f/0x3f0 [ 85.428921][ T8835] _raw_spin_lock_irq+0x60/0x80 [ 85.435428][ T8835] free_ioctx_users+0x2d/0x490 [ 85.442404][ T8835] percpu_ref_switch_to_atomic_rcu+0x407/0x540 [ 85.450215][ T8835] rcu_core+0xba5/0x1500 [ 85.456266][ T8835] __do_softirq+0x25c/0x94c [ 85.462418][ T8835] irq_exit+0x180/0x1d0 [ 85.468377][ T8835] smp_apic_timer_interrupt+0x13b/0x550 [ 85.475898][ T8835] apic_timer_interrupt+0xf/0x20 [ 85.482489][ T8835] native_safe_halt+0xe/0x10 [ 85.488886][ T8835] arch_cpu_idle+0xa/0x10 [ 85.494977][ T8835] default_idle_call+0x36/0x90 [ 85.501394][ T8835] do_idle+0x377/0x560 [ 85.507155][ T8835] cpu_startup_entry+0x1b/0x20 [ 85.513566][ T8835] rest_init+0x245/0x37b [ 85.519904][ T8835] arch_call_rest_init+0xe/0x1b [ 85.526851][ T8835] start_kernel+0x854/0x893 [ 85.533011][ T8835] x86_64_start_reservations+0x29/0x2b [ 85.540274][ T8835] x86_64_start_kernel+0x77/0x7b [ 85.547228][ T8835] secondary_startup_64+0xa4/0xb0 [ 85.553895][ T8835] INITIAL USE at: [ 85.557891][ T8835] lock_acquire+0x16f/0x3f0 [ 85.564413][ T8835] _raw_spin_lock_irq+0x60/0x80 [ 85.570826][ T8835] free_ioctx_users+0x2d/0x490 [ 85.577161][ T8835] percpu_ref_switch_to_atomic_rcu+0x407/0x540 [ 85.585383][ T8835] rcu_core+0xba5/0x1500 [ 85.591205][ T8835] __do_softirq+0x25c/0x94c [ 85.597354][ T8835] irq_exit+0x180/0x1d0 [ 85.603250][ T8835] smp_apic_timer_interrupt+0x13b/0x550 [ 85.610379][ T8835] apic_timer_interrupt+0xf/0x20 [ 85.616953][ T8835] native_safe_halt+0xe/0x10 [ 85.623315][ T8835] arch_cpu_idle+0xa/0x10 [ 85.629225][ T8835] default_idle_call+0x36/0x90 [ 85.635583][ T8835] do_idle+0x377/0x560 [ 85.641471][ T8835] cpu_startup_entry+0x1b/0x20 [ 85.647784][ T8835] rest_init+0x245/0x37b [ 85.653580][ T8835] arch_call_rest_init+0xe/0x1b [ 85.659988][ T8835] start_kernel+0x854/0x893 [ 85.666513][ T8835] x86_64_start_reservations+0x29/0x2b [ 85.673543][ T8835] x86_64_start_kernel+0x77/0x7b [ 85.680091][ T8835] secondary_startup_64+0xa4/0xb0 [ 85.686678][ T8835] } [ 85.689355][ T8835] ... key at: [] __key.53435+0x0/0x40 [ 85.696946][ T8835] ... acquired at: [ 85.700756][ T8835] lock_acquire+0x16f/0x3f0 [ 85.705530][ T8835] _raw_spin_lock+0x2f/0x40 [ 85.710204][ T8835] io_submit_one+0xefa/0x2ef0 [ 85.715403][ T8835] __x64_sys_io_submit+0x1bd/0x570 [ 85.720836][ T8835] do_syscall_64+0xfd/0x680 [ 85.725504][ T8835] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.731555][ T8835] [ 85.733872][ T8835] [ 85.733872][ T8835] the dependencies between the lock to be acquired [ 85.733877][ T8835] and SOFTIRQ-irq-unsafe lock: [ 85.747825][ T8835] -> (&ctx->fault_pending_wqh){+.+.} { [ 85.753363][ T8835] HARDIRQ-ON-W at: [ 85.757423][ T8835] lock_acquire+0x16f/0x3f0 [ 85.764104][ T8835] _raw_spin_lock+0x2f/0x40 [ 85.770533][ T8835] userfaultfd_release+0x4ca/0x710 [ 85.777478][ T8835] __fput+0x2ff/0x890 [ 85.783282][ T8835] ____fput+0x16/0x20 [ 85.789235][ T8835] task_work_run+0x145/0x1c0 [ 85.795641][ T8835] get_signal+0x201b/0x24b0 [ 85.801964][ T8835] do_signal+0x87/0x1900 [ 85.808034][ T8835] exit_to_usermode_loop+0x244/0x2c0 [ 85.815143][ T8835] do_syscall_64+0x58e/0x680 [ 85.821785][ T8835] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.829944][ T8835] SOFTIRQ-ON-W at: [ 85.834011][ T8835] lock_acquire+0x16f/0x3f0 [ 85.840377][ T8835] _raw_spin_lock+0x2f/0x40 [ 85.846703][ T8835] userfaultfd_release+0x4ca/0x710 [ 85.853936][ T8835] __fput+0x2ff/0x890 [ 85.859831][ T8835] ____fput+0x16/0x20 [ 85.865636][ T8835] task_work_run+0x145/0x1c0 [ 85.872441][ T8835] get_signal+0x201b/0x24b0 [ 85.878766][ T8835] do_signal+0x87/0x1900 [ 85.884986][ T8835] exit_to_usermode_loop+0x244/0x2c0 [ 85.892102][ T8835] do_syscall_64+0x58e/0x680 [ 85.898563][ T8835] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.906530][ T8835] INITIAL USE at: [ 85.910508][ T8835] lock_acquire+0x16f/0x3f0 [ 85.916742][ T8835] _raw_spin_lock+0x2f/0x40 [ 85.923038][ T8835] userfaultfd_read+0x540/0x1940 [ 85.929979][ T8835] __vfs_read+0x8a/0x110 [ 85.936004][ T8835] vfs_read+0x194/0x3e0 [ 85.942010][ T8835] ksys_read+0x14f/0x290 [ 85.948960][ T8835] __x64_sys_read+0x73/0xb0 [ 85.955513][ T8835] do_syscall_64+0xfd/0x680 [ 85.961800][ T8835] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.969697][ T8835] } [ 85.972398][ T8835] ... key at: [] __key.46108+0x0/0x40 [ 85.980167][ T8835] ... acquired at: [ 85.984052][ T8835] _raw_spin_lock+0x2f/0x40 [ 85.988737][ T8835] userfaultfd_read+0x540/0x1940 [ 85.994137][ T8835] __vfs_read+0x8a/0x110 [ 85.998651][ T8835] vfs_read+0x194/0x3e0 [ 86.003156][ T8835] ksys_read+0x14f/0x290 [ 86.007584][ T8835] __x64_sys_read+0x73/0xb0 [ 86.012508][ T8835] do_syscall_64+0xfd/0x680 [ 86.017185][ T8835] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.024471][ T8835] [ 86.026781][ T8835] -> (&ctx->fd_wqh){....} { [ 86.031450][ T8835] INITIAL USE at: [ 86.035403][ T8835] lock_acquire+0x16f/0x3f0 [ 86.041481][ T8835] _raw_spin_lock_irq+0x60/0x80 [ 86.048564][ T8835] userfaultfd_read+0x27a/0x1940 [ 86.055301][ T8835] __vfs_read+0x8a/0x110 [ 86.061277][ T8835] vfs_read+0x194/0x3e0 [ 86.067079][ T8835] ksys_read+0x14f/0x290 [ 86.073991][ T8835] __x64_sys_read+0x73/0xb0 [ 86.080568][ T8835] do_syscall_64+0xfd/0x680 [ 86.086751][ T8835] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.094400][ T8835] } [ 86.097156][ T8835] ... key at: [] __key.46111+0x0/0x40 [ 86.105107][ T8835] ... acquired at: [ 86.109639][ T8835] lock_acquire+0x16f/0x3f0 [ 86.123821][ T8835] _raw_spin_lock+0x2f/0x40 [ 86.129403][ T8835] io_submit_one+0xefa/0x2ef0 [ 86.134298][ T8835] __x64_sys_io_submit+0x1bd/0x570 [ 86.139674][ T8835] do_syscall_64+0xfd/0x680 [ 86.144527][ T8835] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.151337][ T8835] [ 86.153661][ T8835] [ 86.153661][ T8835] stack backtrace: [ 86.159598][ T8835] CPU: 1 PID: 8835 Comm: syz-executor.0 Not tainted 5.2.0-rc5+ #56 [ 86.167529][ T8835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.178999][ T8835] Call Trace: [ 86.182391][ T8835] dump_stack+0x172/0x1f0 [ 86.187092][ T8835] check_irq_usage.cold+0x711/0xba0 [ 86.192872][ T8835] ? check_usage_forwards+0x370/0x370 [ 86.199378][ T8835] ? is_dynamic_key+0x1c0/0x1c0 [ 86.204799][ T8835] ? __lock_acquire+0x54f/0x5490 [ 86.210275][ T8835] ? graph_lock+0x7b/0x200 [ 86.214753][ T8835] ? is_dynamic_key+0x1c0/0x1c0 [ 86.219927][ T8835] __lock_acquire+0x2469/0x5490 [ 86.225003][ T8835] ? __lock_acquire+0x2469/0x5490 [ 86.230143][ T8835] ? mark_held_locks+0xf0/0xf0 [ 86.235087][ T8835] ? find_held_lock+0x35/0x130 [ 86.240149][ T8835] ? mark_held_locks+0xf0/0xf0 [ 86.246214][ T8835] ? kasan_check_write+0x14/0x20 [ 86.251338][ T8835] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 86.257394][ T8835] ? add_wait_queue+0x112/0x170 [ 86.263365][ T8835] ? lockdep_hardirqs_on+0x418/0x5d0 [ 86.268660][ T8835] ? trace_hardirqs_on+0x67/0x220 [ 86.273678][ T8835] ? kasan_check_read+0x11/0x20 [ 86.278785][ T8835] lock_acquire+0x16f/0x3f0 [ 86.284348][ T8835] ? io_submit_one+0xefa/0x2ef0 [ 86.289530][ T8835] _raw_spin_lock+0x2f/0x40 [ 86.294042][ T8835] ? io_submit_one+0xefa/0x2ef0 [ 86.299068][ T8835] io_submit_one+0xefa/0x2ef0 [ 86.303886][ T8835] ? mark_held_locks+0xf0/0xf0 [ 86.308666][ T8835] ? ioctx_alloc+0x1db0/0x1db0 [ 86.313445][ T8835] ? __might_fault+0x12b/0x1e0 [ 86.318212][ T8835] ? aio_setup_rw+0x180/0x180 [ 86.322905][ T8835] __x64_sys_io_submit+0x1bd/0x570 [ 86.328022][ T8835] ? __x64_sys_io_submit+0x1bd/0x570 [ 86.333553][ T8835] ? __ia32_sys_io_destroy+0x420/0x420 [ 86.340347][ T8835] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 86.346187][ T8835] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 86.351660][ T8835] ? do_syscall_64+0x26/0x680 [ 86.356650][ T8835] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.362926][ T8835] ? do_syscall_64+0x26/0x680 [ 86.367713][ T8835] ? lockdep_hardirqs_on+0x418/0x5d0 [ 86.373008][ T8835] do_syscall_64+0xfd/0x680 [ 86.377532][ T8835] ? do_syscall_64+0xfd/0x680 [ 86.382203][ T8835] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.388503][ T8835] RIP: 0033:0x4592c9 [ 86.392451][ T8835] 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 [ 86.412460][ T8835] RSP: 002b:00007fdd34259c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 86.421025][ T8835] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004592c9 [ 86.429011][ T8835] RDX: 0000000020000600 RSI: 0000000000000001 RDI: 00007fdd3425b000 [ 86.437397][ T8835] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 86.446703][ T8835] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdd3425a6d4 [ 86.454769][ T8835] R13: 00000000004c0645 R14: 00000000004d3008 R15: 00000000ffffffff [ 86.564950][ T3878] kobject: 'loop0' (00000000bbdb6ab7): kobject_uevent_env [ 86.572799][ T3878] kobject: 'loop0' (00000000bbdb6ab7): fill_kobj_path: path = '/devices/virtual/block/loop0' 2019/06/19 20:27:04 executed programs: 4 [ 87.446111][ T3878] kobject: 'loop0' (00000000bbdb6ab7): kobject_uevent_env [ 87.453433][ T3878] kobject: 'loop0' (00000000bbdb6ab7): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 88.395016][ T3878] kobject: 'loop0' (00000000bbdb6ab7): kobject_uevent_env [ 88.402379][ T3878] kobject: 'loop0' (00000000bbdb6ab7): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 89.274863][ T3878] kobject: 'loop0' (00000000bbdb6ab7): kobject_uevent_env [ 89.282206][ T3878] kobject: 'loop0' (00000000bbdb6ab7): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 90.184781][ T3878] kobject: 'loop0' (00000000bbdb6ab7): kobject_uevent_env [ 90.192000][ T3878] kobject: 'loop0' (00000000bbdb6ab7): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 91.075405][ T3878] kobject: 'loop0' (00000000bbdb6ab7): kobject_uevent_env [ 91.082754][ T3878] kobject: 'loop0' (00000000bbdb6ab7): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 92.015729][ T3878] kobject: 'loop0' (00000000bbdb6ab7): kobject_uevent_env [ 92.022971][ T3878] kobject: 'loop0' (00000000bbdb6ab7): fill_kobj_path: path = '/devices/virtual/block/loop0' 2019/06/19 20:27:10 executed programs: 10 [ 92.976639][ T3878] kobject: 'loop0' (00000000bbdb6ab7): kobject_uevent_env [ 92.983892][ T3878] kobject: 'loop0' (00000000bbdb6ab7): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 93.866494][ T3878] kobject: 'loop0' (00000000bbdb6ab7): kobject_uevent_env [ 93.873770][ T3878] kobject: 'loop0' (00000000bbdb6ab7): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 94.776530][ T3878] kobject: 'loop0' (00000000bbdb6ab7): kobject_uevent_env [ 94.795183][ T3878] kobject: 'loop0' (00000000bbdb6ab7): fill_kobj_path: path = '/devices/virtual/block/loop0'