[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 64.152284][ T26] audit: type=1800 audit(1562118559.515:25): pid=8738 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 64.197014][ T26] audit: type=1800 audit(1562118559.525:26): pid=8738 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 64.245204][ T26] audit: type=1800 audit(1562118559.525:27): pid=8738 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 '10.128.15.198' (ECDSA) to the list of known hosts. 2019/07/03 01:49:31 parsed 1 programs 2019/07/03 01:49:33 executed programs: 0 syzkaller login: [ 78.377187][ T8904] IPVS: ftp: loaded support on port[0] = 21 [ 78.440526][ T8904] chnl_net:caif_netlink_parms(): no params data found [ 78.469250][ T8904] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.476747][ T8904] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.484520][ T8904] device bridge_slave_0 entered promiscuous mode [ 78.493090][ T8904] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.500295][ T8904] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.508084][ T8904] device bridge_slave_1 entered promiscuous mode [ 78.524239][ T8904] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 78.534467][ T8904] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 78.553142][ T8904] team0: Port device team_slave_0 added [ 78.560465][ T8904] team0: Port device team_slave_1 added [ 78.609359][ T8904] device hsr_slave_0 entered promiscuous mode [ 78.647144][ T8904] device hsr_slave_1 entered promiscuous mode [ 78.715054][ T8904] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.722265][ T8904] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.730252][ T8904] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.737362][ T8904] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.772299][ T8904] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.783726][ T3711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.793813][ T3711] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.802191][ T3711] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.810944][ T3711] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.823318][ T8904] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.833915][ T2890] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.842507][ T2890] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.849649][ T2890] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.867428][ T3711] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.875947][ T3711] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.883101][ T3711] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.891135][ T3711] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.900064][ T8906] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.910568][ T2890] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.925668][ T8904] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 78.936885][ T8904] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 78.949240][ T2890] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.958634][ T2890] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.967128][ T2890] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.983108][ T8904] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.701133][ T8927] [ 82.703500][ T8927] ===================================================== [ 82.710410][ T8927] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 82.717845][ T8927] 5.2.0-rc7 #39 Not tainted [ 82.722324][ T8927] ----------------------------------------------------- [ 82.729234][ T8927] syz-executor.0/8927 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 82.737182][ T8927] 000000007d7600b9 (&ctx->fd_wqh){....}, at: io_submit_one+0xefa/0x2ef0 [ 82.745494][ T8927] [ 82.745494][ T8927] and this task is already holding: [ 82.752840][ T8927] 000000007548305f (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xeb5/0x2ef0 [ 82.762210][ T8927] which would create a new lock dependency: [ 82.768081][ T8927] (&(&ctx->ctx_lock)->rlock){..-.} -> (&ctx->fd_wqh){....} [ 82.775346][ T8927] [ 82.775346][ T8927] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 82.784769][ T8927] (&(&ctx->ctx_lock)->rlock){..-.} [ 82.784777][ T8927] [ 82.784777][ T8927] ... which became SOFTIRQ-irq-safe at: [ 82.797642][ T8927] lock_acquire+0x16f/0x3f0 [ 82.802211][ T8927] _raw_spin_lock_irq+0x60/0x80 [ 82.807125][ T8927] free_ioctx_users+0x2d/0x490 [ 82.811962][ T8927] percpu_ref_switch_to_atomic_rcu+0x407/0x540 [ 82.818196][ T8927] rcu_core+0xba5/0x1500 [ 82.822506][ T8927] __do_softirq+0x25c/0x94c [ 82.827087][ T8927] irq_exit+0x180/0x1d0 [ 82.831312][ T8927] smp_apic_timer_interrupt+0x13b/0x550 [ 82.836933][ T8927] apic_timer_interrupt+0xf/0x20 [ 82.841960][ T8927] native_safe_halt+0xe/0x10 [ 82.846633][ T8927] arch_cpu_idle+0xa/0x10 [ 82.851040][ T8927] default_idle_call+0x36/0x90 [ 82.855887][ T8927] do_idle+0x377/0x560 [ 82.860021][ T8927] cpu_startup_entry+0x1b/0x20 [ 82.864847][ T8927] start_secondary+0x34e/0x4c0 [ 82.869765][ T8927] secondary_startup_64+0xa4/0xb0 [ 82.874850][ T8927] [ 82.874850][ T8927] to a SOFTIRQ-irq-unsafe lock: [ 82.881842][ T8927] (&ctx->fault_pending_wqh){+.+.} [ 82.881850][ T8927] [ 82.881850][ T8927] ... which became SOFTIRQ-irq-unsafe at: [ 82.894791][ T8927] ... [ 82.894804][ T8927] lock_acquire+0x16f/0x3f0 [ 82.901936][ T8927] _raw_spin_lock+0x2f/0x40 [ 82.906532][ T8927] userfaultfd_release+0x4ca/0x710 [ 82.911797][ T8927] __fput+0x2ff/0x890 [ 82.915850][ T8927] ____fput+0x16/0x20 [ 82.919920][ T8927] task_work_run+0x145/0x1c0 [ 82.924605][ T8927] exit_to_usermode_loop+0x273/0x2c0 [ 82.929973][ T8927] do_fast_syscall_32+0xb51/0xd7d [ 82.935064][ T8927] entry_SYSENTER_compat+0x70/0x7f [ 82.940237][ T8927] [ 82.940237][ T8927] other info that might help us debug this: [ 82.940237][ T8927] [ 82.950440][ T8927] Chain exists of: [ 82.950440][ T8927] &(&ctx->ctx_lock)->rlock --> &ctx->fd_wqh --> &ctx->fault_pending_wqh [ 82.950440][ T8927] [ 82.964758][ T8927] Possible interrupt unsafe locking scenario: [ 82.964758][ T8927] [ 82.973059][ T8927] CPU0 CPU1 [ 82.978410][ T8927] ---- ---- [ 82.983753][ T8927] lock(&ctx->fault_pending_wqh); [ 82.988845][ T8927] local_irq_disable(); [ 82.995578][ T8927] lock(&(&ctx->ctx_lock)->rlock); [ 83.003288][ T8927] lock(&ctx->fd_wqh); [ 83.009962][ T8927] [ 83.013407][ T8927] lock(&(&ctx->ctx_lock)->rlock); [ 83.018754][ T8927] [ 83.018754][ T8927] *** DEADLOCK *** [ 83.018754][ T8927] [ 83.026879][ T8927] 1 lock held by syz-executor.0/8927: [ 83.032222][ T8927] #0: 000000007548305f (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xeb5/0x2ef0 [ 83.042015][ T8927] [ 83.042015][ T8927] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 83.052849][ T8927] -> (&(&ctx->ctx_lock)->rlock){..-.} { [ 83.058385][ T8927] IN-SOFTIRQ-W at: [ 83.062357][ T8927] lock_acquire+0x16f/0x3f0 [ 83.068496][ T8927] _raw_spin_lock_irq+0x60/0x80 [ 83.074978][ T8927] free_ioctx_users+0x2d/0x490 [ 83.081383][ T8927] percpu_ref_switch_to_atomic_rcu+0x407/0x540 [ 83.089181][ T8927] rcu_core+0xba5/0x1500 [ 83.095082][ T8927] __do_softirq+0x25c/0x94c [ 83.101216][ T8927] irq_exit+0x180/0x1d0 [ 83.107013][ T8927] smp_apic_timer_interrupt+0x13b/0x550 [ 83.114196][ T8927] apic_timer_interrupt+0xf/0x20 [ 83.120760][ T8927] native_safe_halt+0xe/0x10 [ 83.126982][ T8927] arch_cpu_idle+0xa/0x10 [ 83.132940][ T8927] default_idle_call+0x36/0x90 [ 83.139336][ T8927] do_idle+0x377/0x560 [ 83.145043][ T8927] cpu_startup_entry+0x1b/0x20 [ 83.151525][ T8927] start_secondary+0x34e/0x4c0 [ 83.157917][ T8927] secondary_startup_64+0xa4/0xb0 [ 83.164562][ T8927] INITIAL USE at: [ 83.168443][ T8927] lock_acquire+0x16f/0x3f0 [ 83.174510][ T8927] _raw_spin_lock_irq+0x60/0x80 [ 83.180903][ T8927] free_ioctx_users+0x2d/0x490 [ 83.187212][ T8927] percpu_ref_switch_to_atomic_rcu+0x407/0x540 [ 83.194904][ T8927] rcu_core+0xba5/0x1500 [ 83.200724][ T8927] __do_softirq+0x25c/0x94c [ 83.206792][ T8927] irq_exit+0x180/0x1d0 [ 83.212492][ T8927] smp_apic_timer_interrupt+0x13b/0x550 [ 83.219588][ T8927] apic_timer_interrupt+0xf/0x20 [ 83.226153][ T8927] native_safe_halt+0xe/0x10 [ 83.232352][ T8927] arch_cpu_idle+0xa/0x10 [ 83.238230][ T8927] default_idle_call+0x36/0x90 [ 83.244544][ T8927] do_idle+0x377/0x560 [ 83.250153][ T8927] cpu_startup_entry+0x1b/0x20 [ 83.256459][ T8927] start_secondary+0x34e/0x4c0 [ 83.262785][ T8927] secondary_startup_64+0xa4/0xb0 [ 83.269347][ T8927] } [ 83.271927][ T8927] ... key at: [] __key.53436+0x0/0x40 [ 83.279352][ T8927] ... acquired at: [ 83.283154][ T8927] lock_acquire+0x16f/0x3f0 [ 83.287814][ T8927] _raw_spin_lock+0x2f/0x40 [ 83.292484][ T8927] io_submit_one+0xefa/0x2ef0 [ 83.297314][ T8927] __ia32_compat_sys_io_submit+0x1bf/0x570 [ 83.303278][ T8927] do_fast_syscall_32+0x27b/0xd7d [ 83.308454][ T8927] entry_SYSENTER_compat+0x70/0x7f [ 83.313710][ T8927] [ 83.316016][ T8927] [ 83.316016][ T8927] the dependencies between the lock to be acquired [ 83.316020][ T8927] and SOFTIRQ-irq-unsafe lock: [ 83.329570][ T8927] -> (&ctx->fault_pending_wqh){+.+.} { [ 83.335121][ T8927] HARDIRQ-ON-W at: [ 83.339185][ T8927] lock_acquire+0x16f/0x3f0 [ 83.345598][ T8927] _raw_spin_lock+0x2f/0x40 [ 83.351904][ T8927] userfaultfd_release+0x4ca/0x710 [ 83.358820][ T8927] __fput+0x2ff/0x890 [ 83.364628][ T8927] ____fput+0x16/0x20 [ 83.370429][ T8927] task_work_run+0x145/0x1c0 [ 83.376837][ T8927] exit_to_usermode_loop+0x273/0x2c0 [ 83.383923][ T8927] do_fast_syscall_32+0xb51/0xd7d [ 83.390758][ T8927] entry_SYSENTER_compat+0x70/0x7f [ 83.397666][ T8927] SOFTIRQ-ON-W at: [ 83.401722][ T8927] lock_acquire+0x16f/0x3f0 [ 83.408029][ T8927] _raw_spin_lock+0x2f/0x40 [ 83.414368][ T8927] userfaultfd_release+0x4ca/0x710 [ 83.421284][ T8927] __fput+0x2ff/0x890 [ 83.427074][ T8927] ____fput+0x16/0x20 [ 83.432860][ T8927] task_work_run+0x145/0x1c0 [ 83.439271][ T8927] exit_to_usermode_loop+0x273/0x2c0 [ 83.446379][ T8927] do_fast_syscall_32+0xb51/0xd7d [ 83.453210][ T8927] entry_SYSENTER_compat+0x70/0x7f [ 83.460204][ T8927] INITIAL USE at: [ 83.464180][ T8927] lock_acquire+0x16f/0x3f0 [ 83.470430][ T8927] _raw_spin_lock+0x2f/0x40 [ 83.476661][ T8927] userfaultfd_read+0x540/0x1940 [ 83.483343][ T8927] __vfs_read+0x8a/0x110 [ 83.489395][ T8927] vfs_read+0x194/0x3e0 [ 83.495269][ T8927] ksys_read+0x14f/0x290 [ 83.501229][ T8927] __ia32_sys_read+0x71/0xb0 [ 83.507542][ T8927] do_fast_syscall_32+0x27b/0xd7d [ 83.514288][ T8927] entry_SYSENTER_compat+0x70/0x7f [ 83.521213][ T8927] } [ 83.523795][ T8927] ... key at: [] __key.46109+0x0/0x40 [ 83.531330][ T8927] ... acquired at: [ 83.535211][ T8927] _raw_spin_lock+0x2f/0x40 [ 83.539891][ T8927] userfaultfd_read+0x540/0x1940 [ 83.544993][ T8927] __vfs_read+0x8a/0x110 [ 83.549395][ T8927] vfs_read+0x194/0x3e0 [ 83.553716][ T8927] ksys_read+0x14f/0x290 [ 83.558138][ T8927] __ia32_sys_read+0x71/0xb0 [ 83.562895][ T8927] do_fast_syscall_32+0x27b/0xd7d [ 83.568087][ T8927] entry_SYSENTER_compat+0x70/0x7f [ 83.573351][ T8927] [ 83.575681][ T8927] -> (&ctx->fd_wqh){....} { [ 83.580166][ T8927] INITIAL USE at: [ 83.584061][ T8927] lock_acquire+0x16f/0x3f0 [ 83.590125][ T8927] _raw_spin_lock_irq+0x60/0x80 [ 83.596547][ T8927] userfaultfd_read+0x27a/0x1940 [ 83.603045][ T8927] __vfs_read+0x8a/0x110 [ 83.608841][ T8927] vfs_read+0x194/0x3e0 [ 83.614550][ T8927] ksys_read+0x14f/0x290 [ 83.620337][ T8927] __ia32_sys_read+0x71/0xb0 [ 83.626471][ T8927] do_fast_syscall_32+0x27b/0xd7d [ 83.633975][ T8927] entry_SYSENTER_compat+0x70/0x7f [ 83.640621][ T8927] } [ 83.643112][ T8927] ... key at: [] __key.46112+0x0/0x40 [ 83.650538][ T8927] ... acquired at: [ 83.654502][ T8927] lock_acquire+0x16f/0x3f0 [ 83.659161][ T8927] _raw_spin_lock+0x2f/0x40 [ 83.663822][ T8927] io_submit_one+0xefa/0x2ef0 [ 83.669094][ T8927] __ia32_compat_sys_io_submit+0x1bf/0x570 [ 83.675107][ T8927] do_fast_syscall_32+0x27b/0xd7d [ 83.680291][ T8927] entry_SYSENTER_compat+0x70/0x7f [ 83.685548][ T8927] [ 83.687999][ T8927] [ 83.687999][ T8927] stack backtrace: [ 83.693913][ T8927] CPU: 1 PID: 8927 Comm: syz-executor.0 Not tainted 5.2.0-rc7 #39 [ 83.701698][ T8927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.711736][ T8927] Call Trace: [ 83.715018][ T8927] dump_stack+0x172/0x1f0 [ 83.719334][ T8927] check_irq_usage.cold+0x711/0xba0 [ 83.724520][ T8927] ? check_usage_forwards+0x370/0x370 [ 83.729878][ T8927] ? is_dynamic_key+0x1c0/0x1c0 [ 83.734712][ T8927] ? __lock_acquire+0x54f/0x5490 [ 83.739700][ T8927] ? graph_lock+0x7b/0x200 [ 83.744111][ T8927] ? is_dynamic_key+0x1c0/0x1c0 [ 83.749032][ T8927] __lock_acquire+0x2469/0x5490 [ 83.753866][ T8927] ? __lock_acquire+0x2469/0x5490 [ 83.758937][ T8927] ? mark_held_locks+0xf0/0xf0 [ 83.763703][ T8927] ? find_held_lock+0x35/0x130 [ 83.768475][ T8927] ? mark_held_locks+0xf0/0xf0 [ 83.773233][ T8927] ? kasan_check_write+0x14/0x20 [ 83.778159][ T8927] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 83.783951][ T8927] ? add_wait_queue+0x112/0x170 [ 83.788793][ T8927] ? lockdep_hardirqs_on+0x418/0x5d0 [ 83.794065][ T8927] ? trace_hardirqs_on+0x67/0x220 [ 83.799084][ T8927] ? kasan_check_read+0x11/0x20 [ 83.803939][ T8927] lock_acquire+0x16f/0x3f0 [ 83.808432][ T8927] ? io_submit_one+0xefa/0x2ef0 [ 83.813296][ T8927] _raw_spin_lock+0x2f/0x40 [ 83.818143][ T8927] ? io_submit_one+0xefa/0x2ef0 [ 83.823006][ T8927] io_submit_one+0xefa/0x2ef0 [ 83.827693][ T8927] ? mark_held_locks+0xf0/0xf0 [ 83.832447][ T8927] ? ioctx_alloc+0x1db0/0x1db0 [ 83.837198][ T8927] ? __might_fault+0x12b/0x1e0 [ 83.841945][ T8927] ? aio_setup_rw+0x180/0x180 [ 83.846620][ T8927] __ia32_compat_sys_io_submit+0x1bf/0x570 [ 83.852447][ T8927] ? __ia32_compat_sys_io_submit+0x1bf/0x570 [ 83.858419][ T8927] ? __ia32_sys_io_submit+0x560/0x560 [ 83.863781][ T8927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.870039][ T8927] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 83.875658][ T8927] ? do_fast_syscall_32+0xd1/0xd7d [ 83.880768][ T8927] ? entry_SYSENTER_compat+0x70/0x7f [ 83.886089][ T8927] ? do_fast_syscall_32+0xd1/0xd7d [ 83.891191][ T8927] ? lockdep_hardirqs_on+0x418/0x5d0 [ 83.896465][ T8927] do_fast_syscall_32+0x27b/0xd7d [ 83.901476][ T8927] ? do_fast_syscall_32+0x27b/0xd7d [ 83.906676][ T8927] entry_SYSENTER_compat+0x70/0x7f [ 83.911803][ T8927] RIP: 0023:0xf7fcd849 [ 83.915857][ T8927] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 83.935484][ T8927] RSP: 002b:00000000f7fa60cc EFLAGS: 00000296 ORIG_RAX: 00000000000000f8 [ 83.943896][ T8927] RAX: ffffffffffffffda RBX: 00000000f7fa7000 RCX: 0000000000000001 [ 83.951853][ T8927] RDX: 0000000020000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 83.959828][ T8927] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 83.967877][ T8927] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 83.975833][ T8927] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2019/07/03 01:49:39 executed programs: 4 [ 84.112618][ T3879] kobject: 'loop0' (000000006d0e50a7): kobject_uevent_env [ 84.119852][ T3879] kobject: 'loop0' (000000006d0e50a7): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 85.012395][ T3879] kobject: 'loop0' (000000006d0e50a7): kobject_uevent_env [ 85.019632][ T3879] kobject: 'loop0' (000000006d0e50a7): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 85.951741][ T3879] kobject: 'loop0' (000000006d0e50a7): kobject_uevent_env [ 85.958955][ T3879] kobject: 'loop0' (000000006d0e50a7): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 86.841656][ T3879] kobject: 'loop0' (000000006d0e50a7): kobject_uevent_env [ 86.849565][ T3879] kobject: 'loop0' (000000006d0e50a7): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 87.771861][ T3879] kobject: 'loop0' (000000006d0e50a7): kobject_uevent_env [ 87.779047][ T3879] kobject: 'loop0' (000000006d0e50a7): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 88.711655][ T3879] kobject: 'loop0' (000000006d0e50a7): kobject_uevent_env [ 88.718837][ T3879] kobject: 'loop0' (000000006d0e50a7): fill_kobj_path: path = '/devices/virtual/block/loop0' 2019/07/03 01:49:44 executed programs: 10 [ 89.601354][ T3879] kobject: 'loop0' (000000006d0e50a7): kobject_uevent_env [ 89.608569][ T3879] kobject: 'loop0' (000000006d0e50a7): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 90.481586][ T3879] kobject: 'loop0' (000000006d0e50a7): kobject_uevent_env [ 90.488795][ T3879] kobject: 'loop0' (000000006d0e50a7): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 91.391376][ T3879] kobject: 'loop0' (000000006d0e50a7): kobject_uevent_env [ 91.398583][ T3879] kobject: 'loop0' (000000006d0e50a7): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 92.342017][ T3879] kobject: 'loop0' (000000006d0e50a7): kobject_uevent_env [ 92.349279][ T3879] kobject: 'loop0' (000000006d0e50a7): fill_kobj_path: path = '/devices/virtual/block/loop0'