Warning: Permanently added '10.128.0.186' (ECDSA) to the list of known hosts. [ 37.377149] random: sshd: uninitialized urandom read (32 bytes read) 2019/11/20 11:51:03 parsed 1 programs [ 37.556532] kauditd_printk_skb: 10 callbacks suppressed [ 37.556540] audit: type=1400 audit(1574250663.317:36): avc: denied { map } for pid=6924 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 38.334139] random: cc1: uninitialized urandom read (8 bytes read) 2019/11/20 11:51:05 executed programs: 0 [ 39.218107] audit: type=1400 audit(1574250664.977:37): avc: denied { map } for pid=6924 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=13824 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 39.243626] audit: type=1400 audit(1574250664.997:38): avc: denied { map } for pid=6924 comm="syz-execprog" path="/root/syzkaller-shm942177884" dev="sda1" ino=16485 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 39.520889] IPVS: ftp: loaded support on port[0] = 21 [ 40.344258] chnl_net:caif_netlink_parms(): no params data found [ 40.373336] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.380317] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.387247] device bridge_slave_0 entered promiscuous mode [ 40.394269] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.401066] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.407888] device bridge_slave_1 entered promiscuous mode [ 40.422865] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.432194] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.447260] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.454565] team0: Port device team_slave_0 added [ 40.460082] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.467113] team0: Port device team_slave_1 added [ 40.472628] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.480140] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.531778] device hsr_slave_0 entered promiscuous mode [ 40.570286] device hsr_slave_1 entered promiscuous mode [ 40.620923] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.628214] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.635559] audit: type=1400 audit(1574250666.397:39): avc: denied { create } for pid=6941 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 40.647753] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.660692] audit: type=1400 audit(1574250666.397:40): avc: denied { write } for pid=6941 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 40.665931] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.690644] audit: type=1400 audit(1574250666.397:41): avc: denied { read } for pid=6941 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 40.696603] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.726250] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.754493] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 40.761207] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.768796] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 40.777646] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.796044] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.807561] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.817476] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 40.823991] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.832474] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.839981] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.846355] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.860381] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.867968] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.874360] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.882190] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.890519] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.900983] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.908616] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.918240] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.929070] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 40.935355] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.947255] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 40.954647] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.961406] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.972091] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.340351] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 42.181781] [ 42.183646] ====================================================== [ 42.189941] WARNING: possible circular locking dependency detected [ 42.196238] 4.14.154 #0 Not tainted [ 42.199840] ------------------------------------------------------ [ 42.206143] syz-executor.0/6956 is trying to acquire lock: [ 42.211756] (event_mutex){+.+.}, at: [] perf_trace_destroy+0x28/0x100 [ 42.220005] [ 42.220005] but task is already holding lock: [ 42.225956] (&event->child_mutex){+.+.}, at: [] perf_event_release_kernel+0x207/0x880 [ 42.237032] [ 42.237032] which lock already depends on the new lock. [ 42.237032] [ 42.245333] [ 42.245333] the existing dependency chain (in reverse order) is: [ 42.252932] [ 42.252932] -> #5 (&event->child_mutex){+.+.}: [ 42.258986] lock_acquire+0x16f/0x430 [ 42.263294] __mutex_lock+0xe8/0x1470 [ 42.267597] mutex_lock_nested+0x16/0x20 [ 42.272278] perf_event_for_each_child+0x8a/0x150 [ 42.277625] perf_ioctl+0x1d9/0xdf0 [ 42.281771] do_vfs_ioctl+0x7ae/0x1060 [ 42.286206] SyS_ioctl+0x8f/0xc0 [ 42.290116] do_syscall_64+0x1e8/0x640 [ 42.294649] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 42.300338] [ 42.300338] -> #4 (&cpuctx_mutex){+.+.}: [ 42.305888] lock_acquire+0x16f/0x430 [ 42.310196] __mutex_lock+0xe8/0x1470 [ 42.314503] mutex_lock_nested+0x16/0x20 [ 42.319072] perf_event_init_cpu+0xc2/0x170 [ 42.324038] perf_event_init+0x2d8/0x31a [ 42.328601] start_kernel+0x3b6/0x6fd [ 42.332902] x86_64_start_reservations+0x29/0x2b [ 42.338246] x86_64_start_kernel+0x77/0x7b [ 42.342980] secondary_startup_64+0xa5/0xb0 [ 42.347800] [ 42.347800] -> #3 (pmus_lock){+.+.}: [ 42.352977] lock_acquire+0x16f/0x430 [ 42.357276] __mutex_lock+0xe8/0x1470 [ 42.361587] mutex_lock_nested+0x16/0x20 [ 42.366147] perf_event_init_cpu+0x2f/0x170 [ 42.370979] cpuhp_invoke_callback+0x1ea/0x1ab0 [ 42.376847] _cpu_up+0x228/0x530 [ 42.380720] do_cpu_up+0x121/0x150 [ 42.384773] cpu_up+0x1b/0x20 [ 42.388389] smp_init+0x157/0x170 [ 42.392340] kernel_init_freeable+0x30b/0x532 [ 42.397333] kernel_init+0x12/0x162 [ 42.401455] ret_from_fork+0x24/0x30 [ 42.405682] [ 42.405682] -> #2 (cpu_hotplug_lock.rw_sem){++++}: [ 42.412072] lock_acquire+0x16f/0x430 [ 42.416373] cpus_read_lock+0x3d/0xc0 [ 42.420696] static_key_slow_inc+0x13/0x30 [ 42.425430] tracepoint_probe_register_prio+0x4d6/0x6d0 [ 42.431295] tracepoint_probe_register+0x2b/0x40 [ 42.436648] trace_event_reg+0x277/0x330 [ 42.441208] perf_trace_init+0x449/0xaa0 [ 42.445767] perf_tp_event_init+0x7d/0xf0 [ 42.450592] perf_try_init_event+0x164/0x200 [ 42.455500] perf_event_alloc.part.0+0xd90/0x25b0 [ 42.461317] SYSC_perf_event_open+0xad1/0x2690 [ 42.466438] SyS_perf_event_open+0x34/0x40 [ 42.471525] do_syscall_64+0x1e8/0x640 [ 42.476227] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 42.481950] [ 42.481950] -> #1 (tracepoints_mutex){+.+.}: [ 42.487858] lock_acquire+0x16f/0x430 [ 42.492181] __mutex_lock+0xe8/0x1470 [ 42.496543] mutex_lock_nested+0x16/0x20 [ 42.501174] tracepoint_probe_register_prio+0x36/0x6d0 [ 42.506958] tracepoint_probe_register+0x2b/0x40 [ 42.512291] trace_event_reg+0x277/0x330 [ 42.516950] perf_trace_init+0x449/0xaa0 [ 42.521735] perf_tp_event_init+0x7d/0xf0 [ 42.526382] perf_try_init_event+0x164/0x200 [ 42.531292] perf_event_alloc.part.0+0xd90/0x25b0 [ 42.536635] SYSC_perf_event_open+0xad1/0x2690 [ 42.541725] SyS_perf_event_open+0x34/0x40 [ 42.546459] do_syscall_64+0x1e8/0x640 [ 42.550865] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 42.556646] [ 42.556646] -> #0 (event_mutex){+.+.}: [ 42.562004] __lock_acquire+0x2cb3/0x4620 [ 42.566651] lock_acquire+0x16f/0x430 [ 42.570954] __mutex_lock+0xe8/0x1470 [ 42.575261] mutex_lock_nested+0x16/0x20 [ 42.579819] perf_trace_destroy+0x28/0x100 [ 42.584560] tp_perf_event_destroy+0x16/0x20 [ 42.589467] _free_event+0x330/0xe70 [ 42.593677] free_event+0x38/0x50 [ 42.597636] perf_event_release_kernel+0x364/0x880 [ 42.603064] perf_release+0x37/0x50 [ 42.607215] __fput+0x275/0x7a0 [ 42.611029] ____fput+0x16/0x20 [ 42.614833] task_work_run+0x114/0x190 [ 42.619237] exit_to_usermode_loop+0x1da/0x220 [ 42.624332] do_syscall_64+0x4bc/0x640 [ 42.628722] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 42.634420] [ 42.634420] other info that might help us debug this: [ 42.634420] [ 42.642555] Chain exists of: [ 42.642555] event_mutex --> &cpuctx_mutex --> &event->child_mutex [ 42.642555] [ 42.653387] Possible unsafe locking scenario: [ 42.653387] [ 42.659421] CPU0 CPU1 [ 42.664073] ---- ---- [ 42.668713] lock(&event->child_mutex); [ 42.672752] lock(&cpuctx_mutex); [ 42.678786] lock(&event->child_mutex); [ 42.685344] lock(event_mutex); [ 42.688688] [ 42.688688] *** DEADLOCK *** [ 42.688688] [ 42.694730] 2 locks held by syz-executor.0/6956: [ 42.699466] #0: (&ctx->mutex){+.+.}, at: [] perf_event_release_kernel+0x1fd/0x880 [ 42.708819] #1: (&event->child_mutex){+.+.}, at: [] perf_event_release_kernel+0x207/0x880 [ 42.718858] [ 42.718858] stack backtrace: [ 42.723338] CPU: 1 PID: 6956 Comm: syz-executor.0 Not tainted 4.14.154 #0 [ 42.730251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.739597] Call Trace: [ 42.742168] dump_stack+0x142/0x197 [ 42.745788] print_circular_bug.isra.0.cold+0x1cc/0x28f [ 42.751139] __lock_acquire+0x2cb3/0x4620 [ 42.755276] ? save_trace+0x290/0x290 [ 42.759051] ? __lock_is_held+0xb6/0x140 [ 42.763092] ? trace_hardirqs_on+0x10/0x10 [ 42.767316] lock_acquire+0x16f/0x430 [ 42.771112] ? perf_trace_destroy+0x28/0x100 [ 42.775498] ? perf_trace_destroy+0x28/0x100 [ 42.779882] __mutex_lock+0xe8/0x1470 [ 42.789226] ? perf_trace_destroy+0x28/0x100 [ 42.793623] ? find_held_lock+0x35/0x130 [ 42.797661] ? event_function_call+0x302/0x3f0 [ 42.802236] ? perf_trace_destroy+0x28/0x100 [ 42.806644] ? mutex_trylock+0x1c0/0x1c0 [ 42.810683] ? _raw_spin_unlock_irq+0x28/0x90 [ 42.815166] ? save_trace+0x290/0x290 [ 42.818969] ? trace_hardirqs_on_caller+0x400/0x590 [ 42.824574] ? __lock_is_held+0xb6/0x140 [ 42.828620] ? check_preemption_disabled+0x3c/0x250 [ 42.833612] mutex_lock_nested+0x16/0x20 [ 42.837662] ? mutex_lock_nested+0x16/0x20 [ 42.841874] perf_trace_destroy+0x28/0x100 [ 42.846086] tp_perf_event_destroy+0x16/0x20 [ 42.850470] ? perf_tp_event_init+0xf0/0xf0 [ 42.854779] _free_event+0x330/0xe70 [ 42.858469] free_event+0x38/0x50 [ 42.861910] perf_event_release_kernel+0x364/0x880 [ 42.866818] ? perf_event_release_kernel+0x880/0x880 [ 42.871911] perf_release+0x37/0x50 [ 42.875516] __fput+0x275/0x7a0 [ 42.878773] ____fput+0x16/0x20 [ 42.882031] task_work_run+0x114/0x190 [ 42.885895] exit_to_usermode_loop+0x1da/0x220 [ 42.890456] do_syscall_64+0x4bc/0x640 [ 42.894326] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.899152] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 42.904502] RIP: 0033:0x4141d1 [ 42.907684] RSP: 002b:00007fff6f6ba220 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 42.915393] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004141d1 [ 42.922641] RDX: 0000000000000000 RSI: 0000000000000081 RDI: 0000000000000003 [ 42.929910] RBP: 0000000000000000 R08: 0000000000761218 R09: ffffffffffffffff [ 42.937280] R10: 00007fff6f6ba2f0 R11: 0000000000000293 R12: 000000000075bfc8 [ 42.944640] R13: 0000000000000003 R14: 0000000000761220 R15: 000000000075bfd4 [ 42.993752] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 43.000360] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 43.232348] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 43.238851] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 43.472512] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 43.479057] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 43.693047] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 43.699884] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 43.883778] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 43.890510] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 44.112913] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 44.119394] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' 2019/11/20 11:51:10 executed programs: 7 [ 44.303113] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 44.309605] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 44.613216] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 44.619839] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 44.863166] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 44.869629] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 45.062422] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 45.068889] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 45.253434] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 45.260220] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 45.512230] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 45.518697] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 45.771634] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 45.778098] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 45.973095] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 45.979808] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 46.193390] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 46.200199] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 46.422382] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 46.428858] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 46.643064] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 46.649538] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 46.862939] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 46.869429] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 47.142282] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 47.148759] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 47.332843] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 47.339574] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 47.513022] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 47.519497] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 47.732906] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 47.739841] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 47.923325] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 47.931924] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 48.142232] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 48.148707] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 48.372844] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 48.379545] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 48.603190] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 48.609680] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 48.792874] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 48.799349] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 49.022069] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 49.028536] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 49.243106] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 49.249568] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' 2019/11/20 11:51:15 executed programs: 30 [ 49.462969] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 49.469587] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 49.682715] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 49.689469] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 49.874068] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 49.880810] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 50.082253] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 50.088726] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 50.283294] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 50.289764] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 50.542715] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 50.549395] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 50.782422] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 50.788910] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 51.002334] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 51.008846] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 51.202222] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 51.208697] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 51.372929] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 51.379592] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 51.593008] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 51.599481] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 51.802551] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 51.809031] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 52.012165] kobject: 'loop0' (ffff8880a49ce560): kobject_uevent_env [ 52.018684] kobject: 'loop0' (ffff8880a49ce560): fill_kobj_path: path = '/devices/virtual/block/loop0'