====================================== | [ 631.967695][ C2] 1 lock held by ksoftirqd/2/27: | [ 631.967867][ C2] #0: ffffffffa198b540 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) | [ 631.968173][ C2] | [ 631.968173][ C2] stack backtrace: [ 631.968390][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 631.968392][ C2] Call Trace: [ 631.968396][ C2] [ 631.968398][ C2] dump_stack_lvl (lib/dump_stack.c:123) [ 631.968404][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) [ 631.968409][ C2] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) [ 631.968413][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 631.968417][ C2] ? save_trace (kernel/locking/lockdep.c:595) [ 631.968422][ C2] mark_lock (kernel/locking/lockdep.c:4756) [ 631.968425][ C2] mark_usage (kernel/locking/lockdep.c:4645) [ 631.968428][ C2] __lock_acquire (kernel/locking/lockdep.c:5194) [ 631.968432][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) [ 631.968435][ C2] ? simple_pin_fs (fs/libfs.c:1067) [ 631.968438][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 631.968442][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) [ 631.968444][ C2] ? simple_pin_fs (fs/libfs.c:1067) [ 631.968448][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 631.968450][ C2] ? simple_pin_fs (fs/libfs.c:1067) [ 631.968453][ C2] simple_pin_fs (fs/libfs.c:1067) [ 631.968456][ C2] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) [ 631.968459][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 631.968464][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 631.968467][ C2] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 631.968473][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 631.968476][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 631.968479][ C2] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) [ 631.968483][ C2] ? kthread (kernel/kthread.c:464) [ 631.968487][ C2] ? ret_from_fork (arch/x86/kernel/process.c:148) [ 631.968489][ C2] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) [ 631.968492][ C2] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) [ 631.968496][ C2] ? __pfx_migrate_enable (kernel/sched/core.c:2402) [ 631.968501][ C2] __put_net (net/core/net_namespace.c:732) [ 631.968507][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 631.968510][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 631.968513][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 631.968518][ C2] ? __pfx___run_timers (kernel/time/timer.c:2343) [ 631.968524][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 631.968528][ C2] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) [ 631.968535][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 631.968538][ C2] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) [ 631.968540][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 631.968546][ C2] rcu_core (kernel/rcu/tree.c:2834) [ 631.968550][ C2] handle_softirqs (kernel/softirq.c:580) [ 631.968554][ C2] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) [ 631.968558][ C2] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) [ 631.968560][ C2] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) [ 631.968564][ C2] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) [ 631.968568][ C2] kthread (kernel/kthread.c:464) [ 631.968572][ C2] ? __pfx_kthread (kernel/kthread.c:413) [ 631.968574][ C2] ? ret_from_fork (arch/x86/kernel/process.c:147) [ 631.968577][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) [ 631.968580][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 631.968583][ C2] ? __pfx_kthread (kernel/kthread.c:413) [ 631.968586][ C2] ret_from_fork (arch/x86/kernel/process.c:148) [ 631.968589][ C2] ? __pfx_kthread (kernel/kthread.c:413) [ 631.968592][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) | [ 631.979576][ C2] RCU nest depth: 0, expected: 0 | [ 631.979747][ C2] INFO: lockdep is turned off. | [ 631.979920][ C2] Preemption disabled at: | [ 631.979922][ C2] handle_softirqs (kernel/softirq.c:553) [ 631.980273][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 631.980275][ C2] Call Trace: [ 631.980276][ C2] [ 631.980278][ C2] dump_stack_lvl (lib/dump_stack.c:123) [ 631.980286][ C2] __might_resched (kernel/sched/core.c:8796) [ 631.980293][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 631.980296][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 631.980299][ C2] ? simple_recursive_removal (fs/libfs.c:614) [ 631.980303][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 631.980308][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 631.980312][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 631.980316][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 631.980318][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 631.980325][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 631.980329][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 631.980333][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 631.980336][ C2] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 631.980340][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 631.980344][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 631.980347][ C2] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) [ 631.980351][ C2] ? kthread (kernel/kthread.c:464) [ 631.980355][ C2] ? ret_from_fork (arch/x86/kernel/process.c:148) [ 631.980359][ C2] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) [ 631.980363][ C2] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) [ 631.980366][ C2] ? __pfx_migrate_enable (kernel/sched/core.c:2402) [ 631.980371][ C2] __put_net (net/core/net_namespace.c:732) [ 631.980376][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 631.980380][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 631.980383][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 631.980387][ C2] ? __pfx___run_timers (kernel/time/timer.c:2343) [ 631.980392][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 631.980395][ C2] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1059) [ 631.980402][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 631.980404][ C2] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) [ 631.980406][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 631.980412][ C2] rcu_core (kernel/rcu/tree.c:2834) [ 631.980416][ C2] handle_softirqs (kernel/softirq.c:580) [ 631.980420][ C2] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) [ 631.980424][ C2] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) [ 631.980427][ C2] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) [ 631.980430][ C2] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) [ 631.980434][ C2] kthread (kernel/kthread.c:464) [ 631.980438][ C2] ? __pfx_kthread (kernel/kthread.c:413) [ 631.980441][ C2] ? ret_from_fork (arch/x86/kernel/process.c:147) [ 631.980443][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) [ 631.980446][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 631.980449][ C2] ? __pfx_kthread (kernel/kthread.c:413) [ 631.980453][ C2] ret_from_fork (arch/x86/kernel/process.c:148) [ 631.980455][ C2] ? __pfx_kthread (kernel/kthread.c:413) [ 631.980458][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) | [ 939.174602][ C0] INFO: lockdep is turned off. | [ 939.174792][ C0] Preemption disabled at: | [ 939.174794][ C0] handle_softirqs (kernel/softirq.c:553) | [ 939.175168][ C0] Tainted: [W]=WARN [ 939.175170][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 939.175172][ C0] Call Trace: [ 939.175174][ C0] [ 939.175176][ C0] dump_stack_lvl (lib/dump_stack.c:123) [ 939.175185][ C0] __might_resched (kernel/sched/core.c:8796) [ 939.175192][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 939.175196][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 939.175198][ C0] ? simple_recursive_removal (fs/libfs.c:614) [ 939.175203][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 939.175208][ C0] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 939.175213][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 939.175216][ C0] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 939.175219][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 939.175226][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 939.175229][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 939.175234][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 939.175237][ C0] ? __pfx_skb_queue_purge_reason (net/core/skbuff.c:3933) [ 939.175242][ C0] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 939.175246][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 939.175251][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 939.175253][ C0] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) [ 939.175258][ C0] ? kthread (kernel/kthread.c:464) [ 939.175262][ C0] ? ret_from_fork (arch/x86/kernel/process.c:148) [ 939.175265][ C0] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) [ 939.175270][ C0] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) [ 939.175274][ C0] ? __pfx_migrate_enable (kernel/sched/core.c:2402) [ 939.175277][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) [ 939.175282][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 939.175286][ C0] __put_net (net/core/net_namespace.c:732) [ 939.175290][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 939.175293][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 939.175296][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 939.175302][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 939.175307][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 939.175311][ C0] rcu_core (kernel/rcu/tree.c:2834) [ 939.175315][ C0] handle_softirqs (kernel/softirq.c:580) [ 939.175320][ C0] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) [ 939.175323][ C0] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) [ 939.175325][ C0] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) [ 939.175329][ C0] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) [ 939.175333][ C0] kthread (kernel/kthread.c:464) [ 939.175336][ C0] ? __pfx_kthread (kernel/kthread.c:413) [ 939.175339][ C0] ? ret_from_fork (arch/x86/kernel/process.c:147) [ 939.175342][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) [ 939.175345][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 939.175348][ C0] ? __pfx_kthread (kernel/kthread.c:413) [ 939.175352][ C0] ret_from_fork (arch/x86/kernel/process.c:148) [ 939.175354][ C0] ? __pfx_kthread (kernel/kthread.c:413) [ 939.175357][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) | [ 1354.034433][ C1] INFO: lockdep is turned off. | [ 1354.034599][ C1] Preemption disabled at: | [ 1354.034601][ C1] handle_softirqs (kernel/softirq.c:553) | [ 1354.034932][ C1] Tainted: [W]=WARN [ 1354.034934][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1354.034936][ C1] Call Trace: [ 1354.034937][ C1] [ 1354.034940][ C1] dump_stack_lvl (lib/dump_stack.c:123) [ 1354.034947][ C1] __might_resched (kernel/sched/core.c:8796) [ 1354.034954][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 1354.034958][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 1354.034960][ C1] ? simple_recursive_removal (fs/libfs.c:614) [ 1354.034965][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1354.034970][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 1354.034974][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 1354.034977][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 1354.034980][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 1354.034987][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 1354.034990][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 1354.034995][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 1354.034998][ C1] ? __pfx_skb_queue_purge_reason (net/core/skbuff.c:3933) [ 1354.035003][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 1354.035007][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1354.035012][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 1354.035015][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) [ 1354.035019][ C1] ? kthread (kernel/kthread.c:464) [ 1354.035023][ C1] ? ret_from_fork (arch/x86/kernel/process.c:148) [ 1354.035027][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) [ 1354.035031][ C1] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) [ 1354.035035][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2402) [ 1354.035037][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) [ 1354.035042][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1354.035046][ C1] __put_net (net/core/net_namespace.c:732) [ 1354.035050][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 1354.035053][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 1354.035057][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1354.035062][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 1354.035067][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1354.035070][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) [ 1354.035075][ C1] rcu_core (kernel/rcu/tree.c:2834) [ 1354.035079][ C1] handle_softirqs (kernel/softirq.c:580) [ 1354.035083][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) [ 1354.035086][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) [ 1354.035089][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) [ 1354.035092][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) [ 1354.035096][ C1] kthread (kernel/kthread.c:464) [ 1354.035100][ C1] ? __pfx_kthread (kernel/kthread.c:413) [ 1354.035103][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) [ 1354.035105][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) [ 1354.035108][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1354.035111][ C1] ? __pfx_kthread (kernel/kthread.c:413) [ 1354.035115][ C1] ret_from_fork (arch/x86/kernel/process.c:148) [ 1354.035117][ C1] ? __pfx_kthread (kernel/kthread.c:413) [ 1354.035121][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) | [ 1661.631846][ C1] INFO: lockdep is turned off. | [ 1661.632015][ C1] Preemption disabled at: | [ 1661.632017][ C1] handle_softirqs (kernel/softirq.c:553) | [ 1661.632369][ C1] Tainted: [W]=WARN [ 1661.632370][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1661.632372][ C1] Call Trace: [ 1661.632374][ C1] [ 1661.632377][ C1] dump_stack_lvl (lib/dump_stack.c:123) [ 1661.632384][ C1] __might_resched (kernel/sched/core.c:8796) [ 1661.632391][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 1661.632395][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 1661.632397][ C1] ? simple_recursive_removal (fs/libfs.c:614) [ 1661.632403][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1661.632407][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 1661.632412][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 1661.632415][ C1] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 1661.632418][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 1661.632425][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 1661.632428][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 1661.632433][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 1661.632435][ C1] ? __pfx_skb_queue_purge_reason (net/core/skbuff.c:3933) [ 1661.632440][ C1] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 1661.632443][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1661.632448][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 1661.632451][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) [ 1661.632455][ C1] ? kthread (kernel/kthread.c:464) [ 1661.632459][ C1] ? ret_from_fork (arch/x86/kernel/process.c:148) [ 1661.632462][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) [ 1661.632467][ C1] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) [ 1661.632471][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2402) [ 1661.632474][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) [ 1661.632478][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1661.632482][ C1] __put_net (net/core/net_namespace.c:732) [ 1661.632486][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 1661.632489][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 1661.632493][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1661.632497][ C1] ? __schedule (kernel/sched/core.c:6658) [ 1661.632504][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 1661.632508][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1661.632511][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) [ 1661.632516][ C1] rcu_core (kernel/rcu/tree.c:2834) [ 1661.632521][ C1] handle_softirqs (kernel/softirq.c:580) [ 1661.632525][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) [ 1661.632528][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) [ 1661.632531][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) [ 1661.632534][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) [ 1661.632538][ C1] kthread (kernel/kthread.c:464) [ 1661.632542][ C1] ? __pfx_kthread (kernel/kthread.c:413) [ 1661.632545][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) [ 1661.632547][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) [ 1661.632550][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1661.632553][ C1] ? __pfx_kthread (kernel/kthread.c:413) [ 1661.632557][ C1] ret_from_fork (arch/x86/kernel/process.c:148) [ 1661.632559][ C1] ? __pfx_kthread (kernel/kthread.c:413) Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock handle_softirqs:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal