====================================== | [ 1339.595854][ C0] 1 lock held by swapper/0/0: | [ 1339.596082][ C0] #0: ffffffff88977c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) | [ 1339.596472][ C0] | [ 1339.596472][ C0] stack backtrace: [ 1339.596748][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1339.596751][ C0] Call Trace: [ 1339.596753][ C0] [ 1339.596755][ C0] dump_stack_lvl (lib/dump_stack.c:123) [ 1339.596764][ C0] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) [ 1339.596770][ C0] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) [ 1339.596774][ C0] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) [ 1339.596783][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) [ 1339.596787][ C0] ? save_trace (kernel/locking/lockdep.c:595) [ 1339.596793][ C0] mark_lock (kernel/locking/lockdep.c:4756) [ 1339.596797][ C0] mark_usage (kernel/locking/lockdep.c:4645) [ 1339.596800][ C0] __lock_acquire (kernel/locking/lockdep.c:5194) [ 1339.596804][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 1339.596809][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) [ 1339.596812][ C0] ? simple_pin_fs (fs/libfs.c:1067) [ 1339.596816][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1339.596824][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) [ 1339.596827][ C0] ? simple_pin_fs (fs/libfs.c:1067) [ 1339.596832][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 1339.596835][ C0] ? simple_pin_fs (fs/libfs.c:1067) [ 1339.596838][ C0] simple_pin_fs (fs/libfs.c:1067) [ 1339.596842][ C0] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) [ 1339.596845][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 1339.596853][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 1339.596857][ 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) [ 1339.596865][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1339.596868][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 1339.596871][ C0] ? irq_exit_rcu (kernel/softirq.c:698) [ 1339.596874][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1339.596878][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1339.596882][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 1339.596885][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 1339.596887][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 1339.596889][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) [ 1339.596895][ C0] ? do_idle (kernel/sched/idle.c:325) [ 1339.596898][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 1339.596901][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) [ 1339.596903][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) [ 1339.596908][ C0] __put_net (net/core/net_namespace.c:732) [ 1339.596913][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 1339.596918][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 1339.596921][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1339.596925][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 1339.596928][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 1339.596932][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 1339.596936][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 1339.596939][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 1339.596944][ C0] rcu_core (kernel/rcu/tree.c:2834) [ 1339.596949][ C0] handle_softirqs (kernel/softirq.c:580) [ 1339.596955][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) [ 1339.596958][ C0] irq_exit_rcu (kernel/softirq.c:698) [ 1339.596960][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1339.596964][ C0] [ 1339.596965][ C0] [ 1339.596966][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1339.596969][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 1339.596973][ C0] Code: e2 ce 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 07 28 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: e2 ce loop 0xffffffffffffffd0 2: 00 c3 add %al,%bl 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 07 28 00 verw 0x280783(%rip) # 0x2807ab 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 [ 1339.596976][ C0] RSP: 0000:ffffffff88607df8 EFLAGS: 00000246 [ 1339.596980][ C0] RAX: 00000000012fd2bb RBX: 1ffffffff10c0fc3 RCX: ffffffff878135d9 [ 1339.596982][ C0] RDX: 0000000000000000 RSI: ffffffff884a61cd RDI: ffffffff87c58be0 [ 1339.596984][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c066fa [ 1339.596985][ C0] R10: ffff8880360337d3 R11: ffffffff88611288 R12: 0000000000000000 [ 1339.596987][ C0] R13: ffffffff8861f240 R14: dffffc0000000000 R15: 0000000000014770 [ 1339.596990][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) [ 1339.596995][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 1339.596997][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 1339.597000][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) [ 1339.597003][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) [ 1339.597008][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) [ 1339.597015][ C0] do_idle (kernel/sched/idle.c:325) [ 1339.597019][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 1339.597022][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) [ 1339.597025][ C0] start_kernel (init/main.c:1049 (discriminator 1)) [ 1339.597029][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) [ 1339.597035][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) [ 1339.597039][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) | [ 1339.615882][ C0] RCU nest depth: 0, expected: 0 | [ 1339.616083][ C0] INFO: lockdep is turned off. | [ 1339.616285][ C0] Preemption disabled at: | [ 1339.616287][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) [ 1339.616765][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1339.616767][ C0] Call Trace: [ 1339.616768][ C0] [ 1339.616770][ C0] dump_stack_lvl (lib/dump_stack.c:123) [ 1339.616776][ C0] __might_resched (kernel/sched/core.c:8796) [ 1339.616782][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 1339.616785][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 1339.616788][ C0] ? simple_recursive_removal (fs/libfs.c:614) [ 1339.616792][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1339.616797][ 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) [ 1339.616802][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 1339.616805][ 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) [ 1339.616808][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 1339.616813][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 1339.616816][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 1339.616821][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 1339.616825][ 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) [ 1339.616830][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1339.616834][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 1339.616837][ C0] ? irq_exit_rcu (kernel/softirq.c:698) [ 1339.616840][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1339.616844][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1339.616847][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 1339.616850][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 1339.616853][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 1339.616855][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) [ 1339.616859][ C0] ? do_idle (kernel/sched/idle.c:325) [ 1339.616862][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 1339.616865][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) [ 1339.616867][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) [ 1339.616874][ C0] __put_net (net/core/net_namespace.c:732) [ 1339.616877][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 1339.616881][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 1339.616884][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1339.616888][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 1339.616893][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 1339.616896][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 1339.616901][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 1339.616905][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 1339.616910][ C0] rcu_core (kernel/rcu/tree.c:2834) [ 1339.616913][ C0] handle_softirqs (kernel/softirq.c:580) [ 1339.616920][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) [ 1339.616924][ C0] irq_exit_rcu (kernel/softirq.c:698) [ 1339.616926][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1339.616929][ C0] [ 1339.616931][ C0] [ 1339.616932][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1339.616935][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 1339.616939][ C0] Code: e2 ce 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 07 28 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: e2 ce loop 0xffffffffffffffd0 2: 00 c3 add %al,%bl 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 07 28 00 verw 0x280783(%rip) # 0x2807ab 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 [ 1339.616941][ C0] RSP: 0000:ffffffff88607df8 EFLAGS: 00000246 [ 1339.616944][ C0] RAX: 00000000012fd2bb RBX: 1ffffffff10c0fc3 RCX: ffffffff878135d9 [ 1339.616946][ C0] RDX: 0000000000000000 RSI: ffffffff884a61cd RDI: ffffffff87c58be0 [ 1339.616947][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c066fa [ 1339.616949][ C0] R10: ffff8880360337d3 R11: ffffffff88611288 R12: 0000000000000000 [ 1339.616950][ C0] R13: ffffffff8861f240 R14: dffffc0000000000 R15: 0000000000014770 [ 1339.616954][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) [ 1339.616958][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 1339.616961][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 1339.616963][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) [ 1339.616967][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) [ 1339.616971][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) [ 1339.616977][ C0] do_idle (kernel/sched/idle.c:325) [ 1339.616981][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 1339.616984][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) [ 1339.616987][ C0] start_kernel (init/main.c:1049 (discriminator 1)) [ 1339.616991][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) [ 1339.616995][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) [ 1339.616999][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) | [ 1342.112158][ C2] INFO: lockdep is turned off. | [ 1342.112388][ C2] Preemption disabled at: | [ 1342.112390][ C2] __slab_alloc.constprop.0 (mm/slub.c:3945) | [ 1342.112890][ C2] Tainted: [W]=WARN [ 1342.112892][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1342.112895][ C2] Call Trace: [ 1342.112898][ C2] [ 1342.112901][ C2] dump_stack_lvl (lib/dump_stack.c:123) [ 1342.112912][ C2] __might_resched (kernel/sched/core.c:8796) [ 1342.112921][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 1342.112928][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 1342.112932][ C2] ? simple_recursive_removal (fs/libfs.c:614) [ 1342.112940][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1342.112950][ 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) [ 1342.112956][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 1342.112959][ 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) [ 1342.112962][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 1342.112969][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 1342.112972][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 1342.112980][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 1342.112983][ 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) [ 1342.112991][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1342.112995][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 1342.112999][ C2] ? irq_exit_rcu (kernel/softirq.c:698) [ 1342.113003][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1342.113008][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1342.113013][ C2] ? lock_acquire (kernel/locking/lockdep.c:5831) [ 1342.113019][ C2] ? unwind_next_frame (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) [ 1342.113025][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) [ 1342.113030][ C2] ? stack_trace_save (kernel/stacktrace.c:123) [ 1342.113035][ C2] ? set_track_prepare (mm/slub.c:936) [ 1342.113041][ C2] ? ___slab_alloc (mm/slub.c:967 mm/slub.c:3848) [ 1342.113045][ C2] ? __slab_alloc.constprop.0 (mm/slub.c:3948) [ 1342.113048][ C2] ? __kmalloc_cache_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4353) [ 1342.113051][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) [ 1342.113057][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1342.113062][ C2] __put_net (net/core/net_namespace.c:732) [ 1342.113066][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 1342.113071][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 1342.113073][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1342.113078][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 1342.113082][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1342.113086][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) [ 1342.113092][ C2] rcu_core (kernel/rcu/tree.c:2834) [ 1342.113096][ C2] handle_softirqs (kernel/softirq.c:580) [ 1342.113103][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) [ 1342.113107][ C2] irq_exit_rcu (kernel/softirq.c:698) [ 1342.113109][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1342.113113][ C2] [ 1342.113114][ C2] [ 1342.113116][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1342.113119][ C2] RIP: 0010:lock_acquire (kernel/locking/lockdep.c:5831) [ 1342.113123][ C2] Code: 91 cb 82 02 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 4d 89 cf 41 56 41 89 ce 41 55 41 89 d5 41 54 <41> 89 f4 55 48 89 fd 53 44 89 c3 48 83 ec 10 4c 8b 54 24 48 66 90 All code ======== 0: 91 xchg %eax,%ecx 1: cb lret 2: 82 (bad) 3: 02 90 90 90 90 90 add -0x6f6f6f70(%rax),%dl 9: 90 nop a: 90 nop 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: f3 0f 1e fa endbr64 19: 41 57 push %r15 1b: 4d 89 cf mov %r9,%r15 1e: 41 56 push %r14 20: 41 89 ce mov %ecx,%r14d 23: 41 55 push %r13 25: 41 89 d5 mov %edx,%r13d 28: 41 54 push %r12 2a:* 41 89 f4 mov %esi,%r12d <-- trapping instruction 2d: 55 push %rbp 2e: 48 89 fd mov %rdi,%rbp 31: 53 push %rbx 32: 44 89 c3 mov %r8d,%ebx 35: 48 83 ec 10 sub $0x10,%rsp 39: 4c 8b 54 24 48 mov 0x48(%rsp),%r10 3e: 66 90 xchg %ax,%ax Code starting with the faulting instruction =========================================== 0: 41 89 f4 mov %esi,%r12d 3: 55 push %rbp 4: 48 89 fd mov %rdi,%rbp 7: 53 push %rbx 8: 44 89 c3 mov %r8d,%ebx b: 48 83 ec 10 sub $0x10,%rsp f: 4c 8b 54 24 48 mov 0x48(%rsp),%r10 14: 66 90 xchg %ax,%ax [ 1342.113126][ C2] RSP: 0018:ffffc90001637640 EFLAGS: 00000246 [ 1342.113130][ C2] RAX: ffffffff84e14687 RBX: 1ffff920002c6ed7 RCX: 0000000000000002 [ 1342.113132][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff88977d20 [ 1342.113134][ C2] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 1342.113136][ C2] R10: ffffffff84e14687 R11: ffffc900016377b0 R12: ffffc900016377c8 [ 1342.113137][ C2] R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 [ 1342.113140][ C2] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) [ 1342.113144][ C2] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) [ 1342.113150][ C2] unwind_next_frame (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) [ 1342.113153][ C2] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) [ 1342.113156][ C2] ? do_sys_openat2 (fs/open.c:1437) [ 1342.113162][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 1342.113165][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) [ 1342.113170][ C2] ? do_sys_openat2 (fs/open.c:1437) [ 1342.113172][ C2] ? kernel_text_address (kernel/extable.c:99) [ 1342.113178][ C2] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 1342.113182][ C2] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) [ 1342.113186][ C2] ? do_sys_openat2 (fs/open.c:1437) [ 1342.113190][ C2] stack_trace_save (kernel/stacktrace.c:123) [ 1342.113194][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 1342.113198][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1342.113202][ C2] set_track_prepare (mm/slub.c:936) [ 1342.113205][ C2] ? __kmalloc_cache_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4353) [ 1342.113208][ C2] ? kmem_cache_free (mm/slub.c:2333 mm/slub.c:4642 mm/slub.c:4744) [ 1342.113211][ C2] ? fput_close (fs/file_table.c:580) [ 1342.113216][ C2] ? path_openat (fs/namei.c:4056) [ 1342.113220][ C2] ? do_filp_open (fs/namei.c:4073) [ 1342.113222][ C2] ? do_sys_openat2 (fs/open.c:1437) [ 1342.113227][ C2] ___slab_alloc (mm/slub.c:967 mm/slub.c:3848) [ 1342.113230][ C2] ? kmem_cache_free (mm/slub.c:2333 mm/slub.c:4642 mm/slub.c:4744) [ 1342.113235][ C2] ? kmem_cache_free (mm/slub.c:2333 mm/slub.c:4642 mm/slub.c:4744) [ 1342.113238][ C2] __slab_alloc.constprop.0 (mm/slub.c:3948) [ 1342.113242][ C2] ? kmem_cache_free (mm/slub.c:2333 mm/slub.c:4642 mm/slub.c:4744) [ 1342.113245][ C2] __kmalloc_cache_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4353) [ 1342.113249][ C2] kmem_cache_free (mm/slub.c:2333 mm/slub.c:4642 mm/slub.c:4744) [ 1342.113253][ C2] ? fput_close (fs/file_table.c:580) [ 1342.113257][ C2] fput_close (fs/file_table.c:580) [ 1342.113260][ C2] ? __pfx_fput_close (fs/file_table.c:580) [ 1342.113263][ C2] ? terminate_walk (./include/linux/rcupdate.h:873 fs/namei.c:744 fs/namei.c:760) [ 1342.113270][ C2] path_openat (fs/namei.c:4056) [ 1342.113273][ C2] ? __pfx_path_openat (fs/namei.c:4028) [ 1342.113276][ C2] ? stack_trace_save (kernel/stacktrace.c:123) [ 1342.113280][ C2] do_filp_open (fs/namei.c:4073) [ 1342.113283][ C2] ? __pfx_do_filp_open (fs/namei.c:4067) [ 1342.113286][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) [ 1342.113292][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) [ 1342.113294][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 1342.113297][ C2] ? alloc_fd (fs/file.c:597) [ 1342.113301][ 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) [ 1342.113304][ C2] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186) [ 1342.113309][ C2] ? alloc_fd (fs/file.c:597) [ 1342.113314][ C2] do_sys_openat2 (fs/open.c:1437) [ 1342.113317][ C2] ? __pfx_do_sys_openat2 (fs/open.c:1422) [ 1342.113321][ C2] ? user_path_at (fs/namei.c:3131) [ 1342.113325][ C2] __x64_sys_openat (fs/open.c:1463) [ 1342.113329][ C2] ? __pfx___x64_sys_openat (fs/open.c:1463) [ 1342.113333][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1342.113337][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 1342.113341][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1342.113344][ C2] RIP: 0033:0x7f4ca628ff68 [ 1342.113348][ C2] Code: f9 41 89 f0 41 83 e2 40 75 30 89 f0 25 00 00 41 00 3d 00 00 41 00 74 22 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 30 c3 0f 1f 80 00 00 00 00 48 8d 44 24 08 c7 All code ======== 0: f9 stc 1: 41 89 f0 mov %esi,%r8d 4: 41 83 e2 40 and $0x40,%r10d 8: 75 30 jne 0x3a a: 89 f0 mov %esi,%eax c: 25 00 00 41 00 and $0x410000,%eax 11: 3d 00 00 41 00 cmp $0x410000,%eax 16: 74 22 je 0x3a 18: 44 89 c2 mov %r8d,%edx 1b: 4c 89 ce mov %r9,%rsi 1e: bf 9c ff ff ff mov $0xffffff9c,%edi 23: b8 01 01 00 00 mov $0x101,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 30 ja 0x62 32: c3 ret 33: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 3a: 48 8d 44 24 08 lea 0x8(%rsp),%rax 3f: c7 .byte 0xc7 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 30 ja 0x38 8: c3 ret 9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 10: 48 8d 44 24 08 lea 0x8(%rsp),%rax 15: c7 .byte 0xc7 [ 1342.113350][ C2] RSP: 002b:00007fff6d7843a8 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 1342.113353][ C2] RAX: ffffffffffffffda RBX: 00007fff6d78462f RCX: 00007f4ca628ff68 [ 1342.113355][ C2] RDX: 0000000000080000 RSI: 00007fff6d784420 RDI: 00000000ffffff9c [ 1342.113357][ C2] RBP: 00007fff6d784410 R08: 0000000000080000 R09: 00007fff6d784420 [ 1342.113359][ C2] R10: 0000000000000000 R11: 0000000000000287 R12: 00007fff6d78443e [ 1342.113360][ C2] R13: 00007fff6d784640 R14: 00007fff6d784420 R15: 00007f4ca625e140 | [ 1345.930271][ C1] INFO: lockdep is turned off. | [ 1345.930447][ C1] Preemption disabled at: | [ 1345.930449][ C1] 0x0 | [ 1345.930795][ C1] Tainted: [W]=WARN [ 1345.930797][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1345.930799][ C1] Call Trace: [ 1345.930801][ C1] [ 1345.930804][ C1] dump_stack_lvl (lib/dump_stack.c:123) [ 1345.930816][ C1] __might_resched (kernel/sched/core.c:8796) [ 1345.930824][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 1345.930829][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 1345.930832][ C1] ? simple_recursive_removal (fs/libfs.c:614) [ 1345.930838][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1345.930846][ 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) [ 1345.930852][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 1345.930855][ 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) [ 1345.930858][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 1345.930865][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 1345.930869][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 1345.930876][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 1345.930879][ 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) [ 1345.930887][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1345.930893][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 1345.930896][ C1] ? irq_exit_rcu (kernel/softirq.c:698) [ 1345.930901][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1345.930906][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1345.930911][ C1] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 1345.930914][ C1] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 1345.930917][ C1] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 1345.930920][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) [ 1345.930925][ C1] ? do_idle (kernel/sched/idle.c:325) [ 1345.930928][ C1] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 1345.930931][ C1] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) [ 1345.930937][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:419) [ 1345.930942][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) [ 1345.930948][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1345.930952][ C1] __put_net (net/core/net_namespace.c:732) [ 1345.930957][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 1345.930961][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 1345.930964][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1345.930969][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 1345.930973][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) [ 1345.930980][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 1345.930987][ C1] rcu_core (kernel/rcu/tree.c:2834) [ 1345.930992][ C1] handle_softirqs (kernel/softirq.c:580) [ 1345.931000][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) [ 1345.931004][ C1] irq_exit_rcu (kernel/softirq.c:698) [ 1345.931006][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1345.931010][ C1] [ 1345.931011][ C1] [ 1345.931012][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1345.931015][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 1345.931020][ C1] Code: e2 ce 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 07 28 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: e2 ce loop 0xffffffffffffffd0 2: 00 c3 add %al,%bl 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 07 28 00 verw 0x280783(%rip) # 0x2807ab 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 [ 1345.931022][ C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000246 [ 1345.931027][ C1] RAX: 0000000000000001 RBX: 1ffff92000026fc1 RCX: ffffffff878135d9 [ 1345.931029][ C1] RDX: ffffed1006c166fb RSI: ffffffff87c58b60 RDI: ffffffff84f8f5bf [ 1345.931031][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c166fa [ 1345.931032][ C1] R10: ffff8880360b37d3 R11: ffff88800b2d2858 R12: 0000000000000000 [ 1345.931034][ C1] R13: ffff888001bf0040 R14: dffffc0000000000 R15: 0000000000000000 [ 1345.931038][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) [ 1345.931041][ C1] ? cpuidle_idle_call (kernel/sched/idle.c:186) [ 1345.931046][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 1345.931049][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 1345.931051][ C1] cpuidle_idle_call (kernel/sched/idle.c:186) [ 1345.931055][ C1] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) [ 1345.931060][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) [ 1345.931065][ C1] do_idle (kernel/sched/idle.c:325) [ 1345.931069][ C1] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 1345.931073][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) [ 1345.931076][ C1] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) [ 1345.931081][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) | [ 1349.895596][ C1] INFO: lockdep is turned off. | [ 1349.895770][ C1] Preemption disabled at: | [ 1349.895771][ C1] handle_softirqs (kernel/softirq.c:553) | [ 1349.896152][ C1] Tainted: [W]=WARN [ 1349.896154][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1349.896156][ C1] Call Trace: [ 1349.896158][ C1] [ 1349.896161][ C1] dump_stack_lvl (lib/dump_stack.c:123) [ 1349.896171][ C1] __might_resched (kernel/sched/core.c:8796) [ 1349.896178][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 1349.896184][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 1349.896187][ C1] ? simple_recursive_removal (fs/libfs.c:614) [ 1349.896193][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1349.896201][ 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) [ 1349.896207][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 1349.896209][ 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) [ 1349.896212][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 1349.896220][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 1349.896223][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 1349.896230][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 1349.896233][ 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) [ 1349.896241][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1349.896246][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 1349.896250][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) [ 1349.896254][ C1] ? kthread (kernel/kthread.c:464) [ 1349.896259][ C1] ? ret_from_fork (arch/x86/kernel/process.c:148) [ 1349.896266][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) [ 1349.896273][ 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) [ 1349.896279][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2402) [ 1349.896283][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) [ 1349.896288][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1349.896293][ C1] __put_net (net/core/net_namespace.c:732) [ 1349.896298][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 1349.896302][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 1349.896305][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1349.896310][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 1349.896314][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1349.896318][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) [ 1349.896327][ C1] rcu_core (kernel/rcu/tree.c:2834) [ 1349.896332][ C1] handle_softirqs (kernel/softirq.c:580) [ 1349.896336][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) [ 1349.896341][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) [ 1349.896344][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) [ 1349.896347][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) [ 1349.896351][ C1] kthread (kernel/kthread.c:464) [ 1349.896354][ C1] ? __pfx_kthread (kernel/kthread.c:413) [ 1349.896357][ C1] ? ret_from_fork (arch/x86/kernel/process.c:147) [ 1349.896360][ C1] ? __lock_release (kernel/locking/lockdep.c:5539) [ 1349.896366][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1349.896370][ C1] ? __pfx_kthread (kernel/kthread.c:413) [ 1349.896373][ C1] ret_from_fork (arch/x86/kernel/process.c:148) [ 1349.896377][ C1] ? __pfx_kthread (kernel/kthread.c:413) [ 1349.896379][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) | [ 1352.493360][ C3] INFO: lockdep is turned off. | [ 1352.493562][ C3] Preemption disabled at: | [ 1352.493564][ C3] 0x0 | [ 1352.493931][ C3] Tainted: [W]=WARN [ 1352.493933][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1352.493935][ C3] Call Trace: [ 1352.493937][ C3] [ 1352.493940][ C3] dump_stack_lvl (lib/dump_stack.c:123) [ 1352.493952][ C3] __might_resched (kernel/sched/core.c:8796) [ 1352.493960][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 1352.493965][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 1352.493968][ C3] ? simple_recursive_removal (fs/libfs.c:614) [ 1352.493974][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1352.493983][ C3] ? 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) [ 1352.493989][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 1352.493992][ C3] ? 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) [ 1352.493995][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 1352.494002][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 1352.494005][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 1352.494012][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 1352.494015][ C3] ? __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) [ 1352.494023][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1352.494029][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 1352.494032][ C3] ? irq_exit_rcu (kernel/softirq.c:698) [ 1352.494037][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1352.494042][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1352.494046][ C3] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 1352.494050][ C3] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 1352.494053][ C3] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 1352.494056][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) [ 1352.494061][ C3] ? do_idle (kernel/sched/idle.c:325) [ 1352.494065][ C3] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 1352.494068][ C3] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) [ 1352.494074][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:419) [ 1352.494078][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) [ 1352.494084][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1352.494089][ C3] __put_net (net/core/net_namespace.c:732) [ 1352.494093][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 1352.494097][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 1352.494100][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1352.494106][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 1352.494110][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) [ 1352.494117][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 1352.494124][ C3] rcu_core (kernel/rcu/tree.c:2834) [ 1352.494129][ C3] handle_softirqs (kernel/softirq.c:580) [ 1352.494137][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) [ 1352.494140][ C3] irq_exit_rcu (kernel/softirq.c:698) [ 1352.494143][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1352.494146][ C3] [ 1352.494147][ C3] [ 1352.494149][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1352.494152][ C3] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 1352.494156][ C3] Code: e2 ce 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 07 28 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: e2 ce loop 0xffffffffffffffd0 2: 00 c3 add %al,%bl 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 07 28 00 verw 0x280783(%rip) # 0x2807ab 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 [ 1352.494160][ C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246 [ 1352.494164][ C3] RAX: 0000000000000003 RBX: 1ffff9200002afc1 RCX: ffffffff878135d9 [ 1352.494166][ C3] RDX: ffffed1006c366fb RSI: ffffffff87c58b60 RDI: ffffffff84f8f5bf [ 1352.494168][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c366fa [ 1352.494169][ C3] R10: ffff8880361b37d3 R11: ffff888001ef8558 R12: 0000000000000000 [ 1352.494171][ C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000 [ 1352.494175][ C3] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) [ 1352.494178][ C3] ? cpuidle_idle_call (kernel/sched/idle.c:186) [ 1352.494182][ C3] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 1352.494185][ C3] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 1352.494188][ C3] cpuidle_idle_call (kernel/sched/idle.c:186) [ 1352.494192][ C3] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) [ 1352.494196][ C3] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) [ 1352.494201][ C3] do_idle (kernel/sched/idle.c:325) [ 1352.494205][ C3] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 1352.494209][ C3] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) [ 1352.494212][ C3] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) [ 1352.494217][ C3] common_startup_64 (arch/x86/kernel/head_64.S:419) | [ 1355.180022][ C2] INFO: lockdep is turned off. | [ 1355.180203][ C2] Preemption disabled at: | [ 1355.180205][ C2] handle_softirqs (kernel/softirq.c:553) | [ 1355.180622][ C2] Tainted: [W]=WARN [ 1355.180624][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1355.180626][ C2] Call Trace: [ 1355.180628][ C2] [ 1355.180631][ C2] dump_stack_lvl (lib/dump_stack.c:123) [ 1355.180641][ C2] __might_resched (kernel/sched/core.c:8796) [ 1355.180649][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 1355.180654][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 1355.180657][ C2] ? simple_recursive_removal (fs/libfs.c:614) [ 1355.180663][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1355.180671][ 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) [ 1355.180677][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 1355.180680][ 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) [ 1355.180682][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 1355.180690][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 1355.180693][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 1355.180700][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 1355.180703][ 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) [ 1355.180711][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1355.180716][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 1355.180720][ C2] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) [ 1355.180725][ C2] ? kthread (kernel/kthread.c:464) [ 1355.180730][ C2] ? ret_from_fork (arch/x86/kernel/process.c:148) [ 1355.180736][ C2] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) [ 1355.180743][ 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) [ 1355.180748][ C2] ? __pfx_migrate_enable (kernel/sched/core.c:2402) [ 1355.180752][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) [ 1355.180758][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1355.180763][ C2] __put_net (net/core/net_namespace.c:732) [ 1355.180767][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 1355.180771][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 1355.180775][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1355.180780][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 1355.180784][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1355.180788][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) [ 1355.180796][ C2] rcu_core (kernel/rcu/tree.c:2834) [ 1355.180800][ C2] handle_softirqs (kernel/softirq.c:580) [ 1355.180805][ C2] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) [ 1355.180809][ C2] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) [ 1355.180812][ C2] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) [ 1355.180816][ C2] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) [ 1355.180819][ C2] kthread (kernel/kthread.c:464) [ 1355.180822][ C2] ? __pfx_kthread (kernel/kthread.c:413) [ 1355.180825][ C2] ? ret_from_fork (arch/x86/kernel/process.c:147) [ 1355.180829][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) [ 1355.180835][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1355.180839][ C2] ? __pfx_kthread (kernel/kthread.c:413) [ 1355.180842][ C2] ret_from_fork (arch/x86/kernel/process.c:148) [ 1355.180846][ C2] ? __pfx_kthread (kernel/kthread.c:413) [ 1355.180849][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) | [ 1359.164162][ C0] INFO: lockdep is turned off. | [ 1359.164382][ C0] Preemption disabled at: | [ 1359.164384][ C0] handle_softirqs (kernel/softirq.c:553) | [ 1359.164820][ C0] Tainted: [W]=WARN [ 1359.164821][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1359.164824][ C0] Call Trace: [ 1359.164826][ C0] [ 1359.164828][ C0] dump_stack_lvl (lib/dump_stack.c:123) [ 1359.164840][ C0] __might_resched (kernel/sched/core.c:8796) [ 1359.164847][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 1359.164853][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 1359.164856][ C0] ? simple_recursive_removal (fs/libfs.c:614) [ 1359.164862][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1359.164871][ 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) [ 1359.164878][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 1359.164881][ 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) [ 1359.164883][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 1359.164891][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 1359.164894][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 1359.164902][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 1359.164906][ 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) [ 1359.164914][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1359.164920][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 1359.164924][ C0] ? irq_exit_rcu (kernel/softirq.c:698) [ 1359.164927][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1359.164932][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1359.164937][ C0] ? __pfx_rcu_is_watching (kernel/rcu/tree.c:741) [ 1359.164940][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) [ 1359.164947][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) [ 1359.164954][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) [ 1359.164959][ C0] ? stack_trace_save (kernel/stacktrace.c:123) [ 1359.164965][ C0] ? kasan_save_stack (mm/kasan/common.c:48) [ 1359.164972][ C0] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 1359.164975][ C0] ? __kasan_slab_alloc (mm/kasan/common.c:348) [ 1359.164979][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) [ 1359.164986][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1359.164991][ C0] __put_net (net/core/net_namespace.c:732) [ 1359.164996][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 1359.165000][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 1359.165003][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1359.165007][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 1359.165011][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1359.165015][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) [ 1359.165025][ C0] rcu_core (kernel/rcu/tree.c:2834) [ 1359.165030][ C0] handle_softirqs (kernel/softirq.c:580) [ 1359.165035][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) [ 1359.165039][ C0] irq_exit_rcu (kernel/softirq.c:698) [ 1359.165041][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1359.165044][ C0] [ 1359.165045][ C0] [ 1359.165047][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1359.165050][ C0] RIP: 0010:rcu_is_watching (kernel/rcu/tree.c:741) [ 1359.165055][ C0] Code: a2 98 88 e8 a2 d7 df 00 e9 56 ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 55 53 65 ff 05 e3 36 30 05 e8 5e 52 7a 02 48 c7 c3 d0 All code ======== 0: a2 98 88 e8 a2 d7 df movabs %al,0xe900dfd7a2e88898 7: 00 e9 9: 56 push %rsi a: ff (bad) b: ff (bad) c: ff 66 66 jmp *0x66(%rsi) f: 2e 0f 1f 84 00 00 00 cs nopl 0x0(%rax,%rax,1) 16: 00 00 18: 66 90 xchg %ax,%ax 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 90 nop 27: 90 nop 28: 90 nop 29: 90 nop 2a:* f3 0f 1e fa endbr64 <-- trapping instruction 2e: 55 push %rbp 2f: 53 push %rbx 30: 65 ff 05 e3 36 30 05 incl %gs:0x53036e3(%rip) # 0x530371a 37: e8 5e 52 7a 02 call 0x27a529a 3c: 48 rex.W 3d: c7 .byte 0xc7 3e: c3 ret 3f: d0 .byte 0xd0 Code starting with the faulting instruction =========================================== 0: f3 0f 1e fa endbr64 4: 55 push %rbp 5: 53 push %rbx 6: 65 ff 05 e3 36 30 05 incl %gs:0x53036e3(%rip) # 0x53036f0 d: e8 5e 52 7a 02 call 0x27a5270 12: 48 rex.W 13: c7 .byte 0xc7 14: c3 ret 15: d0 .byte 0xd0 [ 1359.165057][ C0] RSP: 0018:ffffc900015a73b0 EFLAGS: 00000293 [ 1359.165061][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000002 [ 1359.165063][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff88977d20 [ 1359.165065][ C0] RBP: ffffffff88977d20 R08: 0000000000000000 R09: 0000000000000000 [ 1359.165067][ C0] R10: ffffffff84e14687 R11: ffffc900015a7548 R12: 0000000000000000 [ 1359.165069][ C0] R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 [ 1359.165072][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) [ 1359.165077][ C0] lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) [ 1359.165081][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) [ 1359.165085][ C0] unwind_next_frame (./include/linux/rcupdate.h:842 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) [ 1359.165088][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) [ 1359.165091][ C0] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) [ 1359.165094][ C0] ? stack_trace_save (kernel/stacktrace.c:123) [ 1359.165098][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1359.165101][ C0] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) [ 1359.165106][ C0] ? stack_trace_save (kernel/stacktrace.c:123) [ 1359.165108][ C0] ? kernel_text_address (kernel/extable.c:99) [ 1359.165115][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 1359.165119][ C0] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) [ 1359.165123][ C0] ? stack_trace_save (kernel/stacktrace.c:123) [ 1359.165127][ C0] stack_trace_save (kernel/stacktrace.c:123) [ 1359.165131][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 1359.165136][ C0] kasan_save_stack (mm/kasan/common.c:48) [ 1359.165139][ C0] ? memchr_inv (lib/string.c:874) [ 1359.165144][ C0] ? check_bytes_and_report (mm/slub.c:1212) [ 1359.165152][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1359.165156][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) [ 1359.165160][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 1359.165166][ C0] ? get_partial_node.part.0 (mm/slub.c:2902) [ 1359.165173][ C0] ? ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) [ 1359.165176][ C0] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) [ 1359.165185][ C0] kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 1359.165188][ C0] __kasan_slab_alloc (mm/kasan/common.c:348) [ 1359.165192][ C0] kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) [ 1359.165195][ C0] ? anon_vma_fork (mm/rmap.c:94 mm/rmap.c:360) [ 1359.165202][ C0] __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) [ 1359.165206][ C0] __create_object (mm/kmemleak.c:770) [ 1359.165210][ C0] kmem_cache_alloc_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4203) [ 1359.165215][ C0] anon_vma_fork (mm/rmap.c:94 mm/rmap.c:360) [ 1359.165218][ C0] dup_mmap (kernel/fork.c:690) [ 1359.165226][ C0] ? __pfx_dup_mmap (kernel/fork.c:609) [ 1359.165229][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) [ 1359.165233][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 1359.165238][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1359.165241][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) [ 1359.165244][ C0] ? copy_mm (kernel/fork.c:1737 kernel/fork.c:1789) [ 1359.165249][ C0] copy_mm (kernel/fork.c:1738 kernel/fork.c:1789) [ 1359.165253][ C0] copy_process (kernel/fork.c:2429) [ 1359.165256][ C0] ? do_fault_around (mm/memory.c:5482) [ 1359.165265][ C0] ? __pfx_copy_process (kernel/fork.c:2178) [ 1359.165267][ C0] ? handle_pte_fault (mm/memory.c:5997) [ 1359.165272][ C0] ? __pfx_handle_pte_fault (mm/memory.c:5954) [ 1359.165275][ C0] ? mtree_range_walk (lib/maple_tree.c:800 lib/maple_tree.c:2787) [ 1359.165281][ C0] kernel_clone (./include/linux/random.h:26 kernel/fork.c:2860) [ 1359.165284][ C0] ? __pfx_kernel_clone (kernel/fork.c:2819) [ 1359.165287][ C0] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) [ 1359.165290][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 1359.165294][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1359.165297][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) [ 1359.165302][ C0] __do_sys_clone (kernel/fork.c:2991) [ 1359.165305][ C0] ? __pfx___do_sys_clone (kernel/fork.c:2991) [ 1359.165307][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) [ 1359.165314][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1359.165318][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) [ 1359.165322][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 1359.165325][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1359.165328][ C0] RIP: 0033:0x7f5197519a47 [ 1359.165332][ C0] Code: 00 00 00 f3 0f 1e fa 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 39 41 89 c0 85 c0 75 2a 64 48 8b 04 25 10 00 All code ======== 0: 00 00 add %al,(%rax) 2: 00 f3 add %dh,%bl 4: 0f 1e fa nop %edx 7: 64 48 8b 04 25 10 00 mov %fs:0x10,%rax e: 00 00 10: 45 31 c0 xor %r8d,%r8d 13: 31 d2 xor %edx,%edx 15: 31 f6 xor %esi,%esi 17: bf 11 00 20 01 mov $0x1200011,%edi 1c: 4c 8d 90 d0 02 00 00 lea 0x2d0(%rax),%r10 23: b8 38 00 00 00 mov $0x38,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 39 ja 0x6b 32: 41 89 c0 mov %eax,%r8d 35: 85 c0 test %eax,%eax 37: 75 2a jne 0x63 39: 64 fs 3a: 48 rex.W 3b: 8b .byte 0x8b 3c: 04 25 add $0x25,%al 3e: 10 00 adc %al,(%rax) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 39 ja 0x41 8: 41 89 c0 mov %eax,%r8d b: 85 c0 test %eax,%eax d: 75 2a jne 0x39 f: 64 fs 10: 48 rex.W 11: 8b .byte 0x8b 12: 04 25 add $0x25,%al 14: 10 00 adc %al,(%rax) [ 1359.165334][ C0] RSP: 002b:00007ffd3fa7cab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 1359.165337][ C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5197519a47 [ 1359.165339][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 1359.165341][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0074756f656d6974 [ 1359.165342][ C0] R10: 00007f51973fea10 R11: 0000000000000246 R12: 0000000000000000 [ 1359.165344][ C0] R13: 00007ffd3fa7cbf0 R14: 00005592e1cdef27 R15: 000055930a476fd0 | [ 1363.446818][ C0] INFO: lockdep is turned off. | [ 1363.447042][ C0] Preemption disabled at: | [ 1363.447044][ C0] handle_softirqs (kernel/softirq.c:553) | [ 1363.447514][ C0] Tainted: [W]=WARN [ 1363.447516][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1363.447518][ C0] Call Trace: [ 1363.447520][ C0] [ 1363.447522][ C0] dump_stack_lvl (lib/dump_stack.c:123) [ 1363.447530][ C0] __might_resched (kernel/sched/core.c:8796) [ 1363.447536][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 1363.447540][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 1363.447543][ C0] ? simple_recursive_removal (fs/libfs.c:614) [ 1363.447548][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1363.447554][ 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) [ 1363.447558][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 1363.447561][ 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) [ 1363.447564][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 1363.447570][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 1363.447573][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 1363.447579][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 1363.447582][ 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) [ 1363.447588][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1363.447593][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 1363.447596][ C0] ? irq_exit_rcu (kernel/softirq.c:698) [ 1363.447599][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1363.447604][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1363.447608][ C0] ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:58 arch/x86/kernel/unwind_orc.c:393) [ 1363.447613][ C0] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:403 arch/x86/kernel/unwind_orc.c:585) [ 1363.447616][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) [ 1363.447620][ C0] ? stack_trace_save (kernel/stacktrace.c:123) [ 1363.447624][ C0] ? kasan_save_stack (mm/kasan/common.c:48) [ 1363.447629][ C0] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 1363.447632][ C0] ? __kasan_slab_alloc (mm/kasan/common.c:348) [ 1363.447635][ C0] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) [ 1363.447639][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) [ 1363.447644][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1363.447649][ C0] __put_net (net/core/net_namespace.c:732) [ 1363.447653][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 1363.447657][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 1363.447661][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1363.447666][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 1363.447670][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1363.447676][ C0] rcu_core (kernel/rcu/tree.c:2834) [ 1363.447680][ C0] handle_softirqs (kernel/softirq.c:580) [ 1363.447685][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) [ 1363.447689][ C0] irq_exit_rcu (kernel/softirq.c:698) [ 1363.447691][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1363.447695][ C0] [ 1363.447696][ C0] [ 1363.447697][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1363.447700][ C0] RIP: 0010:stack_access_ok (./arch/x86/include/asm/stacktrace.h:58 arch/x86/kernel/unwind_orc.c:393) [ 1363.447704][ C0] Code: 00 fc ff df 4c 89 f2 48 c1 ea 03 80 3c 02 00 0f 85 51 01 00 00 48 89 da 48 8b 4b 10 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e fd 00 00 00 8b 33 85 f6 74 1f All code ======== 0: 00 fc add %bh,%ah 2: ff lcall (bad) 3: df 4c 89 f2 fisttps -0xe(%rcx,%rcx,4) 7: 48 c1 ea 03 shr $0x3,%rdx b: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) f: 0f 85 51 01 00 00 jne 0x166 15: 48 89 da mov %rbx,%rdx 18: 48 8b 4b 10 mov 0x10(%rbx),%rcx 1c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 23: fc ff df 26: 48 c1 ea 03 shr $0x3,%rdx 2a:* 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 74 08 je 0x3a 32: 3c 03 cmp $0x3,%al 34: 0f 8e fd 00 00 00 jle 0x137 3a: 8b 33 mov (%rbx),%esi 3c: 85 f6 test %esi,%esi 3e: 74 1f je 0x5f Code starting with the faulting instruction =========================================== 0: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 4: 84 c0 test %al,%al 6: 74 08 je 0x10 8: 3c 03 cmp $0x3,%al a: 0f 8e fd 00 00 00 jle 0x10d 10: 8b 33 mov (%rbx),%esi 12: 85 f6 test %esi,%esi 14: 74 1f je 0x35 [ 1363.447707][ C0] RSP: 0018:ffffc90000c373c8 EFLAGS: 00000a02 [ 1363.447711][ C0] RAX: dffffc0000000000 RBX: ffffc90000c37508 RCX: ffffc90000c38000 [ 1363.447713][ C0] RDX: 1ffff92000186ea1 RSI: ffffc90000c37948 RDI: ffffc90000c37508 [ 1363.447714][ C0] RBP: ffffc90000c37948 R08: 0000000000000000 R09: ffffc90000c37549 [ 1363.447716][ C0] R10: ffffffff84e14687 R11: ffffc90000c37548 R12: 0000000000000008 [ 1363.447718][ C0] R13: ffffc90000c37510 R14: ffffc90000c37518 R15: ffffc90000c30000 [ 1363.447721][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) [ 1363.447727][ C0] unwind_next_frame (arch/x86/kernel/unwind_orc.c:403 arch/x86/kernel/unwind_orc.c:585) [ 1363.447731][ C0] ? backing_file_open (fs/backing-file.c:39) [ 1363.447738][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1363.447742][ C0] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) [ 1363.447747][ C0] ? backing_file_open (fs/backing-file.c:39) [ 1363.447750][ C0] ? kernel_text_address (kernel/extable.c:99) [ 1363.447755][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 1363.447759][ C0] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) [ 1363.447763][ C0] ? backing_file_open (fs/backing-file.c:39) [ 1363.447768][ C0] stack_trace_save (kernel/stacktrace.c:123) [ 1363.447771][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 1363.447775][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 1363.447777][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:27 (discriminator 1)) [ 1363.447781][ C0] kasan_save_stack (mm/kasan/common.c:48) [ 1363.447784][ C0] ? kasan_save_stack (mm/kasan/common.c:48) [ 1363.447787][ C0] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 1363.447789][ C0] ? __kasan_slab_alloc (mm/kasan/common.c:348) [ 1363.447792][ C0] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) [ 1363.447795][ C0] ? alloc_empty_backing_file (fs/file_table.c:296) [ 1363.447801][ C0] ? backing_file_open (fs/backing-file.c:39) [ 1363.447806][ C0] ? stack_trace_save (kernel/stacktrace.c:123) [ 1363.447809][ C0] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) [ 1363.447816][ C0] ? set_track_prepare (mm/slub.c:939) [ 1363.447823][ C0] ? kmem_cache_alloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4203) [ 1363.447826][ C0] ? alloc_empty_backing_file (fs/file_table.c:296) [ 1363.447828][ C0] ? backing_file_open (fs/backing-file.c:39) [ 1363.447832][ C0] ? ovl_open_realfile (fs/overlayfs/file.c:51) [ 1363.447837][ C0] ? ovl_open (fs/overlayfs/file.c:222) [ 1363.447839][ C0] ? do_dentry_open (fs/open.c:964) [ 1363.447843][ C0] ? vfs_open (fs/open.c:1094) [ 1363.447846][ C0] ? do_open (fs/namei.c:3888) [ 1363.447853][ C0] ? path_openat (fs/namei.c:4046) [ 1363.447856][ C0] ? do_filp_open (fs/namei.c:4073) [ 1363.447858][ C0] ? do_open_execat (fs/exec.c:833) [ 1363.447863][ C0] ? alloc_bprm (fs/exec.c:1458) [ 1363.447866][ C0] ? set_track_update.isra.0 (mm/slub.c:957) [ 1363.447869][ C0] ? ___slab_alloc (mm/slub.c:968 mm/slub.c:3848) [ 1363.447873][ C0] ? alloc_empty_backing_file (fs/file_table.c:296) [ 1363.447877][ C0] kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 1363.447881][ C0] __kasan_slab_alloc (mm/kasan/common.c:348) [ 1363.447884][ C0] kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) [ 1363.447889][ C0] alloc_empty_backing_file (fs/file_table.c:296) [ 1363.447893][ C0] backing_file_open (fs/backing-file.c:39) [ 1363.447896][ C0] ? inode_owner_or_capable (./include/linux/mnt_idmapping.h:87 fs/inode.c:2591) [ 1363.447901][ C0] ovl_open_realfile (fs/overlayfs/file.c:51) [ 1363.447905][ C0] ovl_open (fs/overlayfs/file.c:222) [ 1363.447908][ C0] ? __pfx_ovl_open (fs/overlayfs/file.c:199) [ 1363.447911][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1363.447916][ C0] do_dentry_open (fs/open.c:964) [ 1363.447918][ C0] ? __pfx_ovl_open (fs/overlayfs/file.c:199) [ 1363.447923][ C0] vfs_open (fs/open.c:1094) [ 1363.447927][ C0] do_open (fs/namei.c:3888) [ 1363.447932][ C0] path_openat (fs/namei.c:4046) [ 1363.447935][ C0] ? __pfx_path_openat (fs/namei.c:4028) [ 1363.447937][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1363.447941][ C0] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) [ 1363.447945][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1363.447948][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 21)) [ 1363.447952][ C0] do_filp_open (fs/namei.c:4073) [ 1363.447955][ C0] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 1363.447958][ C0] ? __pfx_do_filp_open (fs/namei.c:4067) [ 1363.447961][ C0] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 1363.447964][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 1363.447969][ C0] ? __pfx_page_put_link (fs/namei.c:5478) [ 1363.447973][ C0] ? stack_trace_save (kernel/stacktrace.c:123) [ 1363.447979][ C0] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) [ 1363.447983][ C0] do_open_execat (fs/exec.c:833) [ 1363.447986][ C0] ? __pfx_do_open_execat (fs/exec.c:815) [ 1363.447990][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) [ 1363.447993][ C0] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) [ 1363.447997][ C0] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) [ 1363.447999][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1363.448004][ C0] alloc_bprm (fs/exec.c:1458) [ 1363.448008][ C0] do_execveat_common.isra.0 (fs/exec.c:1859) [ 1363.448012][ C0] ? getname_flags.part.0 (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 fs/namei.c:132 fs/namei.c:213) [ 1363.448016][ C0] __x64_sys_execve (fs/exec.c:2053) [ 1363.448019][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 1363.448022][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1363.448025][ C0] RIP: 0033:0x7f519743f40b [ 1363.448029][ C0] Code: c0 75 03 5f ff e7 c3 48 8b 0d f1 a9 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 80 00 00 00 00 f3 0f 1e fa b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 a9 1b 00 f7 d8 64 89 01 48 All code ======== 0: c0 75 03 5f shlb $0x5f,0x3(%rbp) 4: ff e7 jmp *%rdi 6: c3 ret 7: 48 8b 0d f1 a9 1b 00 mov 0x1ba9f1(%rip),%rcx # 0x1ba9ff e: f7 d8 neg %eax 10: 64 89 01 mov %eax,%fs:(%rcx) 13: 48 83 c8 ff or $0xffffffffffffffff,%rax 17: c3 ret 18: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1f: f3 0f 1e fa endbr64 23: b8 3b 00 00 00 mov $0x3b,%eax 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d c5 a9 1b 00 mov 0x1ba9c5(%rip),%rcx # 0x1ba9ff 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d c5 a9 1b 00 mov 0x1ba9c5(%rip),%rcx # 0x1ba9d5 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 1363.448031][ C0] RSP: 002b:00007ffd3fa7cdf8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 1363.448034][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f519743f40b [ 1363.448036][ C0] RDX: 000055930a477ea0 RSI: 000055930a4190c0 RDI: 000055930a476cf0 [ 1363.448037][ C0] RBP: 000055930a476cf0 R08: 000055930a478ab0 R09: 0000000000000000 [ 1363.448039][ C0] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff [ 1363.448040][ C0] R13: 000055930a4190c0 R14: 000055930a477ea0 R15: 000055930a474ef0 | [ 1367.470660][ C2] INFO: lockdep is turned off. | [ 1367.470859][ C2] Preemption disabled at: | [ 1367.470861][ C2] 0x0 | [ 1367.471228][ C2] Tainted: [W]=WARN [ 1367.471230][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1367.471232][ C2] Call Trace: [ 1367.471235][ C2] [ 1367.471238][ C2] dump_stack_lvl (lib/dump_stack.c:123) [ 1367.471250][ C2] __might_resched (kernel/sched/core.c:8796) [ 1367.471258][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 1367.471263][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 1367.471266][ C2] ? simple_recursive_removal (fs/libfs.c:614) [ 1367.471272][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1367.471280][ 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) [ 1367.471286][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 1367.471289][ 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) [ 1367.471292][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 1367.471299][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 1367.471302][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 1367.471309][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 1367.471313][ 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) [ 1367.471320][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1367.471326][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 1367.471329][ C2] ? irq_exit_rcu (kernel/softirq.c:698) [ 1367.471334][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1367.471339][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1367.471344][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 1367.471347][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 1367.471351][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 1367.471353][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) [ 1367.471360][ C2] ? do_idle (kernel/sched/idle.c:325) [ 1367.471363][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 1367.471366][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) [ 1367.471372][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) [ 1367.471376][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) [ 1367.471382][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1367.471387][ C2] __put_net (net/core/net_namespace.c:732) [ 1367.471392][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 1367.471396][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 1367.471398][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1367.471404][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 1367.471408][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) [ 1367.471415][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 1367.471422][ C2] rcu_core (kernel/rcu/tree.c:2834) [ 1367.471426][ C2] handle_softirqs (kernel/softirq.c:580) [ 1367.471434][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) [ 1367.471438][ C2] irq_exit_rcu (kernel/softirq.c:698) [ 1367.471440][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1367.471444][ C2] [ 1367.471445][ C2] [ 1367.471447][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1367.471450][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 1367.471455][ C2] Code: e2 ce 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 07 28 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: e2 ce loop 0xffffffffffffffd0 2: 00 c3 add %al,%bl 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 07 28 00 verw 0x280783(%rip) # 0x2807ab 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 [ 1367.471457][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246 [ 1367.471462][ C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff878135d9 [ 1367.471464][ C2] RDX: ffffed1006c266fb RSI: ffffffff87c58b60 RDI: ffffffff84f8f5bf [ 1367.471466][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa [ 1367.471468][ C2] R10: ffff8880361337d3 R11: ffff88803612834c R12: 0000000000000000 [ 1367.471469][ C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000 [ 1367.471473][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) [ 1367.471476][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) [ 1367.471481][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 1367.471483][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 1367.471486][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) [ 1367.471489][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) [ 1367.471494][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) [ 1367.471499][ C2] do_idle (kernel/sched/idle.c:325) [ 1367.471503][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 1367.471506][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) [ 1367.471509][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) [ 1367.471514][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) | [ 1370.933656][ C2] INFO: lockdep is turned off. | [ 1370.933848][ C2] Preemption disabled at: | [ 1370.933849][ C2] 0x0 | [ 1370.934218][ C2] Tainted: [W]=WARN [ 1370.934219][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1370.934222][ C2] Call Trace: [ 1370.934225][ C2] [ 1370.934227][ C2] dump_stack_lvl (lib/dump_stack.c:123) [ 1370.934239][ C2] __might_resched (kernel/sched/core.c:8796) [ 1370.934246][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 1370.934252][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 1370.934255][ C2] ? simple_recursive_removal (fs/libfs.c:614) [ 1370.934261][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1370.934269][ 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) [ 1370.934275][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 1370.934278][ 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) [ 1370.934281][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 1370.934288][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 1370.934291][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 1370.934298][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 1370.934302][ 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) [ 1370.934310][ C2] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1370.934316][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 1370.934319][ C2] ? irq_exit_rcu (kernel/softirq.c:698) [ 1370.934324][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1370.934329][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1370.934334][ C2] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 1370.934337][ C2] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 1370.934341][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 1370.934343][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) [ 1370.934349][ C2] ? do_idle (kernel/sched/idle.c:325) [ 1370.934352][ C2] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 1370.934355][ C2] ? start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) [ 1370.934361][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:419) [ 1370.934366][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) [ 1370.934372][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1370.934377][ C2] __put_net (net/core/net_namespace.c:732) [ 1370.934381][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 1370.934385][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 1370.934388][ C2] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1370.934393][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 1370.934397][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) [ 1370.934405][ C2] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 1370.934412][ C2] rcu_core (kernel/rcu/tree.c:2834) [ 1370.934416][ C2] handle_softirqs (kernel/softirq.c:580) [ 1370.934424][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) [ 1370.934428][ C2] irq_exit_rcu (kernel/softirq.c:698) [ 1370.934430][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1370.934434][ C2] [ 1370.934435][ C2] [ 1370.934437][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1370.934440][ C2] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 1370.934445][ C2] Code: e2 ce 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 07 28 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: e2 ce loop 0xffffffffffffffd0 2: 00 c3 add %al,%bl 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 07 28 00 verw 0x280783(%rip) # 0x2807ab 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 [ 1370.934447][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246 [ 1370.934451][ C2] RAX: 0000000000000002 RBX: 1ffff92000028fc1 RCX: ffffffff878135d9 [ 1370.934454][ C2] RDX: ffffed1006c266fb RSI: ffffffff87c58b60 RDI: ffffffff84f8f5bf [ 1370.934455][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c266fa [ 1370.934457][ C2] R10: ffff8880361337d3 R11: ffff88800ea78558 R12: 0000000000000000 [ 1370.934459][ C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000 [ 1370.934462][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) [ 1370.934465][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186) [ 1370.934470][ C2] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 1370.934472][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 1370.934474][ C2] cpuidle_idle_call (kernel/sched/idle.c:186) [ 1370.934478][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) [ 1370.934482][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) [ 1370.934488][ C2] do_idle (kernel/sched/idle.c:325) [ 1370.934491][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 1370.934499][ C2] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) [ 1370.934502][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:233) [ 1370.934508][ C2] common_startup_64 (arch/x86/kernel/head_64.S:419) | [ 1373.488761][ C3] INFO: lockdep is turned off. | [ 1373.488928][ C3] Preemption disabled at: | [ 1373.488930][ C3] handle_softirqs (kernel/softirq.c:553) | [ 1373.489267][ C3] Tainted: [W]=WARN [ 1373.489269][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1373.489271][ C3] Call Trace: [ 1373.489273][ C3] [ 1373.489276][ C3] dump_stack_lvl (lib/dump_stack.c:123) [ 1373.489287][ C3] __might_resched (kernel/sched/core.c:8796) [ 1373.489294][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 1373.489299][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 1373.489302][ C3] ? simple_recursive_removal (fs/libfs.c:614) [ 1373.489308][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1373.489315][ C3] ? 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) [ 1373.489321][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 1373.489324][ C3] ? 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) [ 1373.489327][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 1373.489334][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 1373.489337][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 1373.489344][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 1373.489347][ C3] ? __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) [ 1373.489355][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1373.489360][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 1373.489363][ C3] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) [ 1373.489368][ C3] ? kthread (kernel/kthread.c:464) [ 1373.489374][ C3] ? ret_from_fork (arch/x86/kernel/process.c:148) [ 1373.489380][ C3] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) [ 1373.489386][ C3] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2427) [ 1373.489392][ C3] ? __pfx_migrate_enable (kernel/sched/core.c:2402) [ 1373.489395][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) [ 1373.489401][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1373.489406][ C3] __put_net (net/core/net_namespace.c:732) [ 1373.489411][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 1373.489415][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 1373.489418][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1373.489423][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 1373.489427][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1373.489431][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) [ 1373.489439][ C3] rcu_core (kernel/rcu/tree.c:2834) [ 1373.489444][ C3] handle_softirqs (kernel/softirq.c:580) [ 1373.489448][ C3] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) [ 1373.489452][ C3] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) [ 1373.489456][ C3] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) [ 1373.489459][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) [ 1373.489462][ C3] kthread (kernel/kthread.c:464) [ 1373.489466][ C3] ? __pfx_kthread (kernel/kthread.c:413) [ 1373.489468][ C3] ? ret_from_fork (arch/x86/kernel/process.c:147) [ 1373.489471][ C3] ? __lock_release (kernel/locking/lockdep.c:5539) [ 1373.489477][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1373.489481][ C3] ? __pfx_kthread (kernel/kthread.c:413) [ 1373.489484][ C3] ret_from_fork (arch/x86/kernel/process.c:148) [ 1373.489488][ C3] ? __pfx_kthread (kernel/kthread.c:413) [ 1373.489491][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) | [ 1376.761407][ C0] INFO: lockdep is turned off. | [ 1376.761625][ C0] Preemption disabled at: | [ 1376.761627][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) | [ 1376.762122][ C0] Tainted: [W]=WARN [ 1376.762124][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1376.762126][ C0] Call Trace: [ 1376.762128][ C0] [ 1376.762130][ C0] dump_stack_lvl (lib/dump_stack.c:123) [ 1376.762139][ C0] __might_resched (kernel/sched/core.c:8796) [ 1376.762146][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 1376.762150][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 1376.762153][ C0] ? simple_recursive_removal (fs/libfs.c:614) [ 1376.762160][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1376.762169][ 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) [ 1376.762175][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 1376.762178][ 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) [ 1376.762181][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 1376.762189][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 1376.762192][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 1376.762200][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 1376.762203][ 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) [ 1376.762212][ C0] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1376.762217][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 1376.762221][ C0] ? irq_exit_rcu (kernel/softirq.c:698) [ 1376.762226][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1376.762232][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1376.762238][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 1376.762241][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 1376.762244][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 1376.762246][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) [ 1376.762253][ C0] ? do_idle (kernel/sched/idle.c:325) [ 1376.762256][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 1376.762259][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) [ 1376.762262][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) [ 1376.762267][ C0] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) [ 1376.762274][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 1376.762279][ C0] __put_net (net/core/net_namespace.c:732) [ 1376.762284][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 1376.762288][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 1376.762291][ C0] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2578) [ 1376.762296][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 1376.762300][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) [ 1376.762309][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 1376.762317][ C0] rcu_core (kernel/rcu/tree.c:2834) [ 1376.762321][ C0] handle_softirqs (kernel/softirq.c:580) [ 1376.762330][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) [ 1376.762334][ C0] irq_exit_rcu (kernel/softirq.c:698) [ 1376.762336][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 1376.762340][ C0] [ 1376.762341][ C0] [ 1376.762343][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1376.762346][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 1376.762350][ C0] Code: e2 ce 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 07 28 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: e2 ce loop 0xffffffffffffffd0 2: 00 c3 add %al,%bl 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 07 28 00 verw 0x280783(%rip) # 0x2807ab 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 [ 1376.762353][ C0] RSP: 0018:ffffffff88607df8 EFLAGS: 00000246 [ 1376.762357][ C0] RAX: 0000000000000000 RBX: 1ffffffff10c0fc3 RCX: ffffffff878135d9 [ 1376.762359][ C0] RDX: ffffed1006c066fb RSI: ffffffff87c58b60 RDI: ffffffff84f8f5bf [ 1376.762361][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c066fa [ 1376.762362][ C0] R10: ffff8880360337d3 R11: ffff88800289a858 R12: 0000000000000000 [ 1376.762364][ C0] R13: ffffffff8861f240 R14: dffffc0000000000 R15: 0000000000014770 [ 1376.762368][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) [ 1376.762371][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) [ 1376.762376][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 1376.762378][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 1376.762381][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) [ 1376.762385][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) [ 1376.762389][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) [ 1376.762398][ C0] do_idle (kernel/sched/idle.c:325) [ 1376.762402][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 1376.762405][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) [ 1376.762408][ C0] start_kernel (init/main.c:1049 (discriminator 1)) [ 1376.762412][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) [ 1376.762417][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) 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 handle_softirqs:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal