[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 70.263412][ T26] audit: type=1800 audit(1576791860.414:25): pid=9241 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 70.283809][ T26] audit: type=1800 audit(1576791860.414:26): pid=9241 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 70.326598][ T26] audit: type=1800 audit(1576791860.414:27): pid=9241 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 '10.128.0.94' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 80.768912][ T9397] IPVS: ftp: loaded support on port[0] = 21 [ 80.811824][ T9397] sp0: Synchronizing with TNC [ 82.857124][ T46] Bluetooth: hci0: command 0x1003 tx timeout [ 82.863578][ T9400] Bluetooth: hci0: sending frame failed (-49) [ 84.936655][ T2950] Bluetooth: hci0: command 0x1001 tx timeout [ 84.942817][ T9400] Bluetooth: hci0: sending frame failed (-49) [ 85.896673][ C1] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:935 [ 85.906153][ C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/1 [ 85.914845][ C1] 1 lock held by swapper/1/0: [ 85.919526][ C1] #0: ffffc90000da8d50 ((&sp->resync_t)){+.-.}, at: call_timer_fn+0xe0/0x780 [ 85.928421][ C1] Preemption disabled at: [ 85.928440][ C1] [] start_secondary+0xde/0x410 [ 85.939199][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.5.0-rc2-next-20191219-syzkaller #0 [ 85.948290][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.958324][ C1] Call Trace: [ 85.961674][ C1] [ 85.964530][ C1] dump_stack+0x197/0x210 [ 85.968866][ C1] ? start_secondary+0xde/0x410 [ 85.973710][ C1] ___might_sleep.cold+0x1fb/0x23e [ 85.978820][ C1] __might_sleep+0x95/0x190 [ 85.983304][ C1] __mutex_lock+0xc5/0x13c0 [ 85.987786][ C1] ? alloc_list_entry+0xc0/0xc0 [ 85.992623][ C1] ? tpk_write+0x5d/0x340 [ 85.996941][ C1] ? find_first_zero_bit+0x9a/0xc0 [ 86.002051][ C1] ? mutex_trylock+0x2d0/0x2d0 [ 86.006825][ C1] ? __lock_acquire+0x29c9/0x4a00 [ 86.011842][ C1] ? debug_object_deactivate+0x1d9/0x320 [ 86.017464][ C1] mutex_lock_nested+0x16/0x20 [ 86.022206][ C1] ? mutex_lock_nested+0x16/0x20 [ 86.027123][ C1] tpk_write+0x5d/0x340 [ 86.031268][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.036798][ C1] resync_tnc+0x1b6/0x320 [ 86.041155][ C1] call_timer_fn+0x1ac/0x780 [ 86.045722][ C1] ? encode_sixpack+0x790/0x790 [ 86.050605][ C1] ? msleep_interruptible+0x150/0x150 [ 86.055956][ C1] ? run_timer_softirq+0x6b1/0x1790 [ 86.061134][ C1] ? trace_hardirqs_on+0x67/0x240 [ 86.066137][ C1] ? encode_sixpack+0x790/0x790 [ 86.070978][ C1] ? encode_sixpack+0x790/0x790 [ 86.075810][ C1] run_timer_softirq+0x6c3/0x1790 [ 86.080820][ C1] ? add_timer+0x940/0x940 [ 86.085222][ C1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 86.091459][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.097002][ C1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 86.102971][ C1] ? trace_hardirqs_on+0x67/0x240 [ 86.108011][ C1] __do_softirq+0x262/0x98c [ 86.112521][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 86.117365][ C1] irq_exit+0x19b/0x1e0 [ 86.121501][ C1] smp_apic_timer_interrupt+0x1a3/0x610 [ 86.127029][ C1] apic_timer_interrupt+0xf/0x20 [ 86.131939][ C1] [ 86.134860][ C1] RIP: 0010:native_safe_halt+0xe/0x10 [ 86.140212][ C1] Code: 88 51 e4 f9 eb 8a cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d e4 8a 59 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d d4 8a 59 00 fb f4 cc 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 de f5 93 f9 e8 f9 [ 86.159797][ C1] RSP: 0018:ffffc90000d3fd68 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 86.168198][ C1] RAX: 1ffffffff13275ce RBX: ffff8880a99fa340 RCX: 0000000000000000 [ 86.176175][ C1] RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffff8880a99fabdc [ 86.184147][ C1] RBP: ffffc90000d3fd98 R08: ffff8880a99fa340 R09: 0000000000000000 [ 86.192159][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 86.200171][ C1] R13: ffffffff8a816480 R14: 0000000000000000 R15: 0000000000000001 [ 86.208148][ C1] ? default_idle+0x4e/0x360 [ 86.212722][ C1] arch_cpu_idle+0xa/0x10 [ 86.217044][ C1] default_idle_call+0x84/0xb0 [ 86.221796][ C1] do_idle+0x3c8/0x6e0 [ 86.225849][ C1] ? arch_cpu_idle_exit+0x80/0x80 [ 86.230854][ C1] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 86.236646][ C1] ? complete+0x61/0x80 [ 86.240787][ C1] cpu_startup_entry+0x1b/0x20 [ 86.245722][ C1] start_secondary+0x2f4/0x410 [ 86.250571][ C1] ? set_cpu_sibling_map+0x2140/0x2140 [ 86.256014][ C1] secondary_startup_64+0xa4/0xb0 [ 86.261074][ C1] [ 86.263387][ C1] ================================ [ 86.268467][ C1] WARNING: inconsistent lock state [ 86.273560][ C1] 5.5.0-rc2-next-20191219-syzkaller #0 Tainted: G W [ 86.281420][ C1] -------------------------------- [ 86.286507][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 86.293329][ C1] swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 86.299292][ C1] ffffffff8c128870 (&tpk_port.port_write_mutex){+.?.}, at: tpk_write+0x5d/0x340 [ 86.308305][ C1] {SOFTIRQ-ON-W} state was registered at: [ 86.314000][ C1] lock_acquire+0x190/0x410 [ 86.318563][ C1] __mutex_lock+0x156/0x13c0 [ 86.323235][ C1] mutex_lock_nested+0x16/0x20 [ 86.328058][ C1] tpk_write+0x5d/0x340 [ 86.332275][ C1] sixpack_open+0x8d6/0xaaf [ 86.336848][ C1] tty_ldisc_open.isra.0+0xa3/0x110 [ 86.342114][ C1] tty_set_ldisc+0x30e/0x6b0 [ 86.346771][ C1] tty_ioctl+0xe8d/0x14f0 [ 86.351163][ C1] ksys_ioctl+0x123/0x180 [ 86.355552][ C1] __x64_sys_ioctl+0x73/0xb0 [ 86.360213][ C1] do_syscall_64+0xfa/0x790 [ 86.364865][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.370812][ C1] irq event stamp: 189510 [ 86.375119][ C1] hardirqs last enabled at (189510): [] trace_hardirqs_on_thunk+0x1a/0x1c [ 86.385243][ C1] hardirqs last disabled at (189509): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 86.395461][ C1] softirqs last enabled at (189434): [] _local_bh_enable+0x1c/0x30 [ 86.404976][ C1] softirqs last disabled at (189435): [] irq_exit+0x19b/0x1e0 [ 86.413960][ C1] [ 86.413960][ C1] other info that might help us debug this: [ 86.421997][ C1] Possible unsafe locking scenario: [ 86.421997][ C1] [ 86.429429][ C1] CPU0 [ 86.432691][ C1] ---- [ 86.435999][ C1] lock(&tpk_port.port_write_mutex); [ 86.441394][ C1] [ 86.444864][ C1] lock(&tpk_port.port_write_mutex); [ 86.450382][ C1] [ 86.450382][ C1] *** DEADLOCK *** [ 86.450382][ C1] [ 86.458560][ C1] 1 lock held by swapper/1/0: [ 86.463215][ C1] #0: ffffc90000da8d50 ((&sp->resync_t)){+.-.}, at: call_timer_fn+0xe0/0x780 [ 86.472060][ C1] [ 86.472060][ C1] stack backtrace: [ 86.477940][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G W 5.5.0-rc2-next-20191219-syzkaller #0 [ 86.488403][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.498432][ C1] Call Trace: [ 86.501692][ C1] [ 86.504531][ C1] dump_stack+0x197/0x210 [ 86.508839][ C1] print_usage_bug.cold+0x327/0x378 [ 86.514013][ C1] mark_lock+0xbb4/0x1220 [ 86.518326][ C1] ? check_usage_backwards+0x330/0x330 [ 86.523762][ C1] __lock_acquire+0x1e8e/0x4a00 [ 86.528594][ C1] ? retint_kernel+0x2b/0x2b [ 86.533174][ C1] ? mark_held_locks+0xf0/0xf0 [ 86.537928][ C1] lock_acquire+0x190/0x410 [ 86.542411][ C1] ? tpk_write+0x5d/0x340 [ 86.546735][ C1] __mutex_lock+0x156/0x13c0 [ 86.551307][ C1] ? tpk_write+0x5d/0x340 [ 86.555614][ C1] ? alloc_list_entry+0xc0/0xc0 [ 86.560458][ C1] ? tpk_write+0x5d/0x340 [ 86.564777][ C1] ? find_first_zero_bit+0x9a/0xc0 [ 86.569864][ C1] ? mutex_trylock+0x2d0/0x2d0 [ 86.574604][ C1] ? __lock_acquire+0x29c9/0x4a00 [ 86.579603][ C1] ? debug_object_deactivate+0x1d9/0x320 [ 86.585210][ C1] mutex_lock_nested+0x16/0x20 [ 86.589951][ C1] ? mutex_lock_nested+0x16/0x20 [ 86.594863][ C1] tpk_write+0x5d/0x340 [ 86.598997][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.604517][ C1] resync_tnc+0x1b6/0x320 [ 86.608821][ C1] call_timer_fn+0x1ac/0x780 [ 86.613391][ C1] ? encode_sixpack+0x790/0x790 [ 86.618216][ C1] ? msleep_interruptible+0x150/0x150 [ 86.623561][ C1] ? run_timer_softirq+0x6b1/0x1790 [ 86.628744][ C1] ? trace_hardirqs_on+0x67/0x240 [ 86.633743][ C1] ? encode_sixpack+0x790/0x790 [ 86.638569][ C1] ? encode_sixpack+0x790/0x790 [ 86.643392][ C1] run_timer_softirq+0x6c3/0x1790 [ 86.648391][ C1] ? add_timer+0x940/0x940 [ 86.652782][ C1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 86.658908][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.664428][ C1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 86.670381][ C1] ? trace_hardirqs_on+0x67/0x240 [ 86.675379][ C1] __do_softirq+0x262/0x98c [ 86.679866][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 86.684692][ C1] irq_exit+0x19b/0x1e0 [ 86.688822][ C1] smp_apic_timer_interrupt+0x1a3/0x610 [ 86.694341][ C1] apic_timer_interrupt+0xf/0x20 [ 86.699246][ C1] [ 86.702162][ C1] RIP: 0010:native_safe_halt+0xe/0x10 [ 86.707513][ C1] Code: 88 51 e4 f9 eb 8a cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d e4 8a 59 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d d4 8a 59 00 fb f4 cc 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 de f5 93 f9 e8 f9 [ 86.727099][ C1] RSP: 0018:ffffc90000d3fd68 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 86.735484][ C1] RAX: 1ffffffff13275ce RBX: ffff8880a99fa340 RCX: 0000000000000000 [ 86.743440][ C1] RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffff8880a99fabdc [ 86.751386][ C1] RBP: ffffc90000d3fd98 R08: ffff8880a99fa340 R09: 0000000000000000 [ 86.759353][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 86.767298][ C1] R13: ffffffff8a816480 R14: 0000000000000000 R15: 0000000000000001 [ 86.775265][ C1] ? default_idle+0x4e/0x360 [ 86.779832][ C1] arch_cpu_idle+0xa/0x10 [ 86.784138][ C1] default_idle_call+0x84/0xb0 [ 86.788876][ C1] do_idle+0x3c8/0x6e0 [ 86.792921][ C1] ? arch_cpu_idle_exit+0x80/0x80 [ 86.797933][ C1] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 86.803741][ C1] ? complete+0x61/0x80 [ 86.807870][ C1] cpu_startup_entry+0x1b/0x20 [ 86.812618][ C1] start_secondary+0x2f4/0x410 [ 86.817354][ C1] ? set_cpu_sibling_map+0x2140/0x2140 [ 86.822798][ C1] secondary_startup_64+0xa4/0xb0 [ 87.016611][ T46] Bluetooth: hci0: command 0x1009 tx timeout [ 90.936542][ C1] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:935 [ 90.945869][ C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/1 [ 90.954538][ C1] INFO: lockdep is turned off. [ 90.959302][ C1] Preemption disabled at: [ 90.959319][ C1] [] start_secondary+0xde/0x410 [ 90.970057][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G W 5.5.0-rc2-next-20191219-syzkaller #0 [ 90.980546][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.990579][ C1] Call Trace: [ 90.994282][ C1] [ 90.997119][ C1] dump_stack+0x197/0x210 [ 91.001474][ C1] ? start_secondary+0xde/0x410 [ 91.006309][ C1] ___might_sleep.cold+0x1fb/0x23e [ 91.011400][ C1] __might_sleep+0x95/0x190 [ 91.015890][ C1] __mutex_lock+0xc5/0x13c0 [ 91.020373][ C1] ? tpk_write+0x5d/0x340 [ 91.024683][ C1] ? mutex_trylock+0x2d0/0x2d0 [ 91.029423][ C1] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 91.035636][ C1] ? find_next_and_bit+0x19a/0x200 [ 91.040725][ C1] ? debug_object_deactivate+0x1d9/0x320 [ 91.046339][ C1] ? __kasan_check_read+0x11/0x20 [ 91.051338][ C1] ? mark_held_locks+0xf0/0xf0 [ 91.056082][ C1] ? __kasan_check_write+0x14/0x20 [ 91.061180][ C1] mutex_lock_nested+0x16/0x20 [ 91.065920][ C1] ? mutex_lock_nested+0x16/0x20 [ 91.070833][ C1] tpk_write+0x5d/0x340 [ 91.074973][ C1] ? lock_acquire+0x190/0x410 [ 91.079630][ C1] resync_tnc+0x1b6/0x320 [ 91.083954][ C1] call_timer_fn+0x1ac/0x780 [ 91.088520][ C1] ? encode_sixpack+0x790/0x790 [ 91.093347][ C1] ? msleep_interruptible+0x150/0x150 [ 91.098895][ C1] ? trace_hardirqs_on+0x67/0x240 [ 91.103896][ C1] ? encode_sixpack+0x790/0x790 [ 91.108722][ C1] ? encode_sixpack+0x790/0x790 [ 91.113550][ C1] run_timer_softirq+0x6c3/0x1790 [ 91.118563][ C1] ? add_timer+0x940/0x940 [ 91.123022][ C1] ? kvm_clock_read+0x18/0x30 [ 91.127774][ C1] ? sched_clock+0x2e/0x50 [ 91.132171][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 91.137003][ C1] ? trace_hardirqs_on+0x67/0x240 [ 91.142012][ C1] __do_softirq+0x262/0x98c [ 91.146497][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 91.151333][ C1] irq_exit+0x19b/0x1e0 [ 91.155468][ C1] smp_apic_timer_interrupt+0x1a3/0x610 [ 91.160998][ C1] apic_timer_interrupt+0xf/0x20 [ 91.165908][ C1] [ 91.168827][ C1] RIP: 0010:native_safe_halt+0xe/0x10 [ 91.174185][ C1] Code: 88 51 e4 f9 eb 8a cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d e4 8a 59 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d d4 8a 59 00 fb f4 cc 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 de f5 93 f9 e8 f9 [ 91.193778][ C1] RSP: 0018:ffffc90000d3fd68 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 91.202165][ C1] RAX: 1ffffffff13275ce RBX: ffff8880a99fa340 RCX: 1ffffffff15032ca [ 91.210113][ C1] RDX: dffffc0000000000 RSI: ffffffff817aedae RDI: ffffffff87cee1ac [ 91.218072][ C1] RBP: ffffc90000d3fd98 R08: ffff8880a99fa340 R09: ffffed101533f469 [ 91.226194][ C1] R10: ffffed101533f468 R11: ffff8880a99fa347 R12: dffffc0000000000 [ 91.234143][ C1] R13: ffffffff8a816480 R14: 0000000000000000 R15: 0000000000000001 [ 91.242119][ C1] ? trace_hardirqs_on+0x5e/0x240 [ 91.247138][ C1] ? default_idle+0x1c/0x360 [ 91.252513][ C1] ? default_idle+0x4e/0x360 [ 91.257116][ C1] arch_cpu_idle+0xa/0x10 [ 91.261435][ C1] default_idle_call+0x84/0xb0 [ 91.266175][ C1] do_idle+0x3c8/0x6e0 [ 91.270223][ C1] ? arch_cpu_idle_exit+0x80/0x80 [ 91.275223][ C1] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 91.281004][ C1] ? complete+0x61/0x80 [ 91.285135][ C1] cpu_startup_entry+0x1b/0x20 [ 91.289885][ C1] start_secondary+0x2f4/0x410 [ 91.294633][ C1] ? set_cpu_sibling_map+0x2140/0x2140 [ 91.300070][ C1] secondary_startup_64+0xa4/0xb0 [ 91.306867][ T9397] kobject: 'rfkill5' (000000001ce5cb60): kobject_uevent_env [ 91.314190][ T9397] kobject: 'rfkill5' (000000001ce5cb60): fill_kobj_path: path = '/devices/virtual/bluetooth/hci0/rfkill5' [ 91.325692][ T9397] kobject: 'rfkill5' (000000001ce5cb60): kobject_cleanup, parent 0000000064351cab [ 91.334956][ T9397] kobject: 'rfkill5' (000000001ce5cb60): calling ktype release [ 91.342541][ T9397] kobject: 'rfkill5': free name [ 91.347493][ T9397] kobject: 'hci0' (00000000dc2a88d8): kobject_uevent_env [ 91.354536][ T9397] kobject: 'hci0' (00000000dc2a88d8): fill_kobj_path: path = '/devices/virtual/bluetooth/hci0' [ 91.364983][ T9397] kobject: 'bluetooth' (00000000ca685fdc): kobject_cleanup, parent 0000000064351cab [ 91.374373][ T9397] kobject: 'bluetooth' (00000000ca685fdc): calling ktype release [ 91.382108][ T9397] kobject: 'bluetooth': free name [ 91.387236][ T9397] kobject: 'hci0' (00000000dc2a88d8): kobject_cleanup, parent 0000000064351cab [ 91.396143][ T9397] kobject: 'hci0' (00000000dc2a88d8): calling ktype release [ 91.403492][ T9397] kobject: 'hci0': free name [ 91.408218][ T9397] [U] è`è`è [ 91.411882][ T9397] kobject: 'rx-0' (000000009b1f2ccb): kobject_cleanup, parent 0000000015c8bd9d [ 91.420991][ T9397] kobject: 'rx-0' (000000009b1f2ccb): auto cleanup 'remove' event [ 91.428813][ T9397] kobject: 'rx-0' (000000009b1f2ccb): kobject_uevent_env [ 91.435855][ T9397] kobject: 'rx-0' (000000009b1f2ccb): fill_kobj_path: path = '/devices/virtual/net/sp0/queues/rx-0' [ 91.447011][ T9397] kobject: 'rx-0' (000000009b1f2ccb): auto cleanup kobject_del [ 91.454656][ T9397] kobject: 'rx-0' (000000009b1f2ccb): calling ktype release [ 91.462100][ T9397] kobject: 'rx-0': free name [ 91.466772][ T9397] kobject: 'tx-0' (00000000ccd01b2d): kobject_cleanup, parent 0000000015c8bd9d [ 91.475682][ T9397] kobject: 'tx-0' (00000000ccd01b2d): auto cleanup 'remove' event [ 91.483501][ T9397] kobject: 'tx-0' (00000000ccd01b2d): kobject_uevent_env [ 91.490596][ T9397] kobject: 'tx-0' (00000000ccd01b2d): fill_kobj_path: path = '/devices/virtual/net/sp0/queues/tx-0' [ 91.501492][ T9397] kobject: 'tx-0' (00000000ccd01b2d): auto cleanup kobject_del [ 91.509106][ T9397] kobject: 'tx-0' (00000000ccd01b2d): calling ktype release [ 91.516387][ T9397] kobject: 'tx-0': free name [ 91.521152][ T9397] kobject: 'queues' (0000000015c8bd9d): kobject_cleanup, parent 0000000064351cab [ 91.530293][ T9397] kobject: 'queues' (0000000015c8bd9d): calling ktype release [ 91.537804][ T9397] kobject: 'queues' (0000000015c8bd9d): kset_release [ 91.544558][ T9397] kobject: 'queues': free name [ 91.549859][ T9397] kobject: 'sp0' (000000008e9a784f): kobject_uevent_env [ 91.556830][ T9397] kobject: 'sp0' (000000008e9a784f): fill_kobj_path: path = '/devices/virtual/net/sp0' [ 91.686562][ T9397] kobject: 'sp0' (000000008e9a784f): kobject_cleanup, parent 0000000064351cab [ 91.695443][ T9397] kobject: 'sp0' (000000008e9a784f): calling ktype release [ 91.702982][ T9397] kobject: 'sp0': free name