====================================== | [ 15.381886][ C0] 1 lock held by swapper/0/0: | [ 15.382121][ C0] #0: ffffffff94d774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) | [ 15.382511][ C0] | [ 15.382511][ C0] stack backtrace: [ 15.382800][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.382802][ C0] Call Trace: [ 15.382804][ C0] [ 15.382806][ C0] dump_stack_lvl (lib/dump_stack.c:123) [ 15.382812][ C0] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) [ 15.382817][ C0] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) [ 15.382821][ C0] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) [ 15.382825][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) [ 15.382830][ C0] ? save_trace (kernel/locking/lockdep.c:595) [ 15.382835][ C0] mark_lock (kernel/locking/lockdep.c:4756) [ 15.382839][ C0] mark_usage (kernel/locking/lockdep.c:4645) [ 15.382842][ C0] __lock_acquire (kernel/locking/lockdep.c:5194) [ 15.382845][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 15.382849][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) [ 15.382852][ C0] ? simple_pin_fs (fs/libfs.c:1067) [ 15.382857][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 15.382861][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) [ 15.382864][ C0] ? simple_pin_fs (fs/libfs.c:1067) [ 15.382868][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 15.382872][ C0] ? simple_pin_fs (fs/libfs.c:1067) [ 15.382875][ C0] simple_pin_fs (fs/libfs.c:1067) [ 15.382879][ C0] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) [ 15.382883][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 15.382888][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 15.382892][ 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) [ 15.382897][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 15.382900][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 15.382903][ C0] ? irq_exit_rcu (kernel/softirq.c:698) [ 15.382906][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 15.382910][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 15.382914][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 15.382917][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 15.382919][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 15.382922][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) [ 15.382926][ C0] ? do_idle (kernel/sched/idle.c:325) [ 15.382928][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 15.382931][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) [ 15.382934][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) [ 15.382939][ C0] __put_net (net/core/net_namespace.c:732) [ 15.382943][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 15.382947][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 15.382949][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) [ 15.382953][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 15.382957][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 15.382960][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 15.382964][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 15.382966][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 15.382971][ C0] rcu_core (kernel/rcu/tree.c:2834) [ 15.382976][ C0] handle_softirqs (kernel/softirq.c:579) [ 15.382981][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) [ 15.382984][ C0] irq_exit_rcu (kernel/softirq.c:698) [ 15.382987][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 15.382990][ C0] [ 15.382992][ C0] [ 15.382993][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 15.382996][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 15.383000][ C0] Code: 92 b5 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 37 10 00 fb f4 fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 All code ======== 0: 92 xchg %eax,%edx 1: b5 00 mov $0x0,%ch 3: c3 ret 4: cc int3 5: cc int3 6: cc int3 7: cc int3 8: 0f 1f 00 nopl (%rax) b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: f3 0f 1e fa endbr64 1f: 66 90 xchg %ax,%ax 21: 0f 00 2d 83 37 10 00 verw 0x103783(%rip) # 0x1037ab 28: fb sti 29: f4 hlt 2a:* e9 fc 54 02 00 jmp 0x2552b <-- trapping instruction 2f: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 36: 00 00 00 39: 66 90 xchg %ax,%ax 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: e9 fc 54 02 00 jmp 0x25501 5: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) c: 00 00 00 f: 66 90 xchg %ax,%ax 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 15.383003][ C0] RSP: 0018:ffffffff94a07df8 EFLAGS: 00000246 [ 15.383006][ C0] RAX: 0000000000071eb7 RBX: 1ffffffff2940fc3 RCX: ffffffff93d905d9 [ 15.383008][ C0] RDX: 0000000000000000 RSI: ffffffff9488f4e4 RDI: ffffffff94053be0 [ 15.383010][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c066fa [ 15.383011][ C0] R10: ffff8880360337d3 R11: ffffffff94a11288 R12: 0000000000000000 [ 15.383013][ C0] R13: ffffffff94a1f240 R14: dffffc0000000000 R15: 0000000000014770 [ 15.383017][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) [ 15.383022][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 15.383024][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 15.383027][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) [ 15.383030][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) [ 15.383034][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) [ 15.383039][ C0] do_idle (kernel/sched/idle.c:325) [ 15.383042][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 15.383045][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) [ 15.383049][ C0] start_kernel (init/main.c:1049 (discriminator 1)) [ 15.383053][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) [ 15.383057][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) [ 15.383061][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) | [ 15.402189][ C0] RCU nest depth: 0, expected: 0 | [ 15.402398][ C0] INFO: lockdep is turned off. | [ 15.402599][ C0] Preemption disabled at: | [ 15.402600][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) [ 15.403089][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.403091][ C0] Call Trace: [ 15.403092][ C0] [ 15.403094][ C0] dump_stack_lvl (lib/dump_stack.c:123) [ 15.403099][ C0] __might_resched (kernel/sched/core.c:8796) [ 15.403107][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 15.403111][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 15.403114][ C0] ? simple_recursive_removal (fs/libfs.c:614) [ 15.403119][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 15.403126][ 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) [ 15.403132][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 15.403135][ 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) [ 15.403138][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 15.403143][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 15.403146][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 15.403152][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 15.403156][ 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) [ 15.403161][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 15.403164][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 15.403167][ C0] ? irq_exit_rcu (kernel/softirq.c:698) [ 15.403172][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 15.403176][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 15.403180][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 15.403183][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 15.403186][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 15.403188][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) [ 15.403192][ C0] ? do_idle (kernel/sched/idle.c:325) [ 15.403194][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 15.403197][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) [ 15.403200][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) [ 15.403206][ C0] __put_net (net/core/net_namespace.c:732) [ 15.403210][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 15.403214][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 15.403217][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) [ 15.403220][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 15.403225][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 15.403229][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 15.403233][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 15.403236][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 15.403240][ C0] rcu_core (kernel/rcu/tree.c:2834) [ 15.403245][ C0] handle_softirqs (kernel/softirq.c:579) [ 15.403250][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) [ 15.403253][ C0] irq_exit_rcu (kernel/softirq.c:698) [ 15.403256][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 15.403260][ C0] [ 15.403261][ C0] [ 15.403262][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 15.403265][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 15.403269][ C0] Code: 92 b5 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 37 10 00 fb f4 fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 All code ======== 0: 92 xchg %eax,%edx 1: b5 00 mov $0x0,%ch 3: c3 ret 4: cc int3 5: cc int3 6: cc int3 7: cc int3 8: 0f 1f 00 nopl (%rax) b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: f3 0f 1e fa endbr64 1f: 66 90 xchg %ax,%ax 21: 0f 00 2d 83 37 10 00 verw 0x103783(%rip) # 0x1037ab 28: fb sti 29: f4 hlt 2a:* e9 fc 54 02 00 jmp 0x2552b <-- trapping instruction 2f: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 36: 00 00 00 39: 66 90 xchg %ax,%ax 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: e9 fc 54 02 00 jmp 0x25501 5: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) c: 00 00 00 f: 66 90 xchg %ax,%ax 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 15.403271][ C0] RSP: 0018:ffffffff94a07df8 EFLAGS: 00000246 [ 15.403274][ C0] RAX: 0000000000071eb7 RBX: 1ffffffff2940fc3 RCX: ffffffff93d905d9 [ 15.403276][ C0] RDX: 0000000000000000 RSI: ffffffff9488f4e4 RDI: ffffffff94053be0 [ 15.403278][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c066fa [ 15.403280][ C0] R10: ffff8880360337d3 R11: ffffffff94a11288 R12: 0000000000000000 [ 15.403282][ C0] R13: ffffffff94a1f240 R14: dffffc0000000000 R15: 0000000000014770 [ 15.403289][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) [ 15.403297][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 15.403302][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 15.403306][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) [ 15.403310][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) [ 15.403314][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) [ 15.403319][ C0] do_idle (kernel/sched/idle.c:325) [ 15.403322][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 15.403325][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) [ 15.403328][ C0] start_kernel (init/main.c:1049 (discriminator 1)) [ 15.403332][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) [ 15.403337][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) [ 15.403341][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) | [ 17.277613][ C2] INFO: lockdep is turned off. | [ 17.277820][ C2] Preemption disabled at: | [ 17.277822][ C2] 0x0 | [ 17.278198][ C2] Tainted: [W]=WARN [ 17.278199][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.278201][ C2] Call Trace: [ 17.278203][ C2] [ 17.278205][ C2] dump_stack_lvl (lib/dump_stack.c:123) [ 17.278214][ C2] __might_resched (kernel/sched/core.c:8796) [ 17.278221][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 17.278226][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 17.278229][ C2] ? simple_recursive_removal (fs/libfs.c:614) [ 17.278233][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 17.278238][ 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) [ 17.278244][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 17.278247][ 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) [ 17.278250][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 17.278255][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 17.278258][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 17.278265][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 17.278268][ 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) [ 17.278274][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 17.278277][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 17.278280][ C2] ? irq_exit_rcu (kernel/softirq.c:698) [ 17.278285][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 17.278290][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 17.278294][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 17.278297][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 17.278300][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 17.278303][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) [ 17.278306][ C2] ? do_idle (kernel/sched/idle.c:325) [ 17.278309][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 17.278311][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) [ 17.278315][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) [ 17.278320][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) [ 17.278324][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 17.278328][ C2] __put_net (net/core/net_namespace.c:732) [ 17.278332][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 17.278336][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 17.278338][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) [ 17.278343][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 17.278346][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) [ 17.278352][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 17.278358][ C2] rcu_core (kernel/rcu/tree.c:2834) [ 17.278362][ C2] handle_softirqs (kernel/softirq.c:579) [ 17.278367][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) [ 17.278370][ C2] irq_exit_rcu (kernel/softirq.c:698) [ 17.278376][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 17.278380][ C2] [ 17.278381][ C2] [ 17.278382][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 17.278385][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 17.278389][ C2] Code: 92 b5 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 37 10 00 fb f4 fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 All code ======== 0: 92 xchg %eax,%edx 1: b5 00 mov $0x0,%ch 3: c3 ret 4: cc int3 5: cc int3 6: cc int3 7: cc int3 8: 0f 1f 00 nopl (%rax) b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: f3 0f 1e fa endbr64 1f: 66 90 xchg %ax,%ax 21: 0f 00 2d 83 37 10 00 verw 0x103783(%rip) # 0x1037ab 28: fb sti 29: f4 hlt 2a:* e9 fc 54 02 00 jmp 0x2552b <-- trapping instruction 2f: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 36: 00 00 00 39: 66 90 xchg %ax,%ax 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: e9 fc 54 02 00 jmp 0x25501 5: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) c: 00 00 00 f: 66 90 xchg %ax,%ax 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 17.278392][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246 [ 17.278396][ C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff93d905d9 [ 17.278398][ C2] RDX: ffffed1006c266fb RSI: ffffffff94053b60 RDI: ffffffff9158d18f [ 17.278400][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa [ 17.278401][ C2] R10: ffff8880361337d3 R11: ffffffff976cbe00 R12: 0000000000000000 [ 17.278403][ C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000 [ 17.278407][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) [ 17.278410][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) [ 17.278414][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 17.278417][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 17.278419][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) [ 17.278422][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) [ 17.278426][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) [ 17.278430][ C2] do_idle (kernel/sched/idle.c:325) [ 17.278434][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 17.278437][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) [ 17.278440][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock __might_resched:down_write:simple_recursive_removal:debugfs_remove:ref_tracker_dir_exit schedule_preempt_disabled:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal