====================================== | [ 14.711440][ C0] 1 lock held by swapper/0/0: | [ 14.711647][ C0] #0: ffffffff945774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) | [ 14.712006][ C0] | [ 14.712006][ C0] stack backtrace: [ 14.712263][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.712265][ C0] Call Trace: [ 14.712267][ C0] [ 14.712269][ C0] dump_stack_lvl (lib/dump_stack.c:123) [ 14.712275][ C0] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) [ 14.712279][ C0] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) [ 14.712283][ C0] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) [ 14.712287][ C0] ? __lock_release (kernel/locking/lockdep.c:5539) [ 14.712291][ C0] ? save_trace (kernel/locking/lockdep.c:595) [ 14.712297][ C0] mark_lock (kernel/locking/lockdep.c:4756) [ 14.712301][ C0] mark_usage (kernel/locking/lockdep.c:4645) [ 14.712304][ C0] __lock_acquire (kernel/locking/lockdep.c:5194) [ 14.712307][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 14.712311][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) [ 14.712314][ C0] ? simple_pin_fs (fs/libfs.c:1067) [ 14.712318][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 14.712322][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) [ 14.712325][ C0] ? simple_pin_fs (fs/libfs.c:1067) [ 14.712329][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 14.712332][ C0] ? simple_pin_fs (fs/libfs.c:1067) [ 14.712336][ C0] simple_pin_fs (fs/libfs.c:1067) [ 14.712340][ C0] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) [ 14.712343][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 14.712349][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 14.712352][ 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) [ 14.712358][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 14.712361][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 14.712364][ C0] ? irq_exit_rcu (kernel/softirq.c:698) [ 14.712367][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 14.712371][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 14.712375][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 14.712378][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 14.712381][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 14.712383][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) [ 14.712386][ C0] ? do_idle (kernel/sched/idle.c:325) [ 14.712389][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 14.712391][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) [ 14.712394][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) [ 14.712399][ C0] __put_net (net/core/net_namespace.c:732) [ 14.712403][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 14.712407][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 14.712409][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) [ 14.712413][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 14.712417][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 14.712420][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 14.712424][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 14.712427][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 14.712431][ C0] rcu_core (kernel/rcu/tree.c:2834) [ 14.712436][ C0] handle_softirqs (kernel/softirq.c:579) [ 14.712441][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) [ 14.712444][ C0] irq_exit_rcu (kernel/softirq.c:698) [ 14.712446][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 14.712450][ C0] [ 14.712451][ C0] [ 14.712453][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 14.712455][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 14.712459][ C0] Code: 92 b5 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 37 10 00 fb f4 fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 All code ======== 0: 92 xchg %eax,%edx 1: b5 00 mov $0x0,%ch 3: c3 ret 4: cc int3 5: cc int3 6: cc int3 7: cc int3 8: 0f 1f 00 nopl (%rax) b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: f3 0f 1e fa endbr64 1f: 66 90 xchg %ax,%ax 21: 0f 00 2d 83 37 10 00 verw 0x103783(%rip) # 0x1037ab 28: fb sti 29: f4 hlt 2a:* e9 fc 54 02 00 jmp 0x2552b <-- trapping instruction 2f: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 36: 00 00 00 39: 66 90 xchg %ax,%ax 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: e9 fc 54 02 00 jmp 0x25501 5: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) c: 00 00 00 f: 66 90 xchg %ax,%ax 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 14.712462][ C0] RSP: 0018:ffffffff94207df8 EFLAGS: 00000246 [ 14.712465][ C0] RAX: 0000000000072c8b RBX: 1ffffffff2840fc3 RCX: ffffffff935905d9 [ 14.712467][ C0] RDX: 0000000000000000 RSI: ffffffff9408f4e4 RDI: ffffffff93853be0 [ 14.712469][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005e866fa [ 14.712470][ C0] R10: ffff88802f4337d3 R11: ffffffff94211288 R12: 0000000000000000 [ 14.712472][ C0] R13: ffffffff9421f240 R14: dffffc0000000000 R15: 0000000000014770 [ 14.712476][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) [ 14.712481][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 14.712483][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 14.712486][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) [ 14.712489][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) [ 14.712493][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) [ 14.712498][ C0] do_idle (kernel/sched/idle.c:325) [ 14.712502][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 14.712504][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) [ 14.712508][ C0] start_kernel (init/main.c:1049 (discriminator 1)) [ 14.712512][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) [ 14.712517][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) [ 14.712520][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) | [ 14.730996][ C0] RCU nest depth: 0, expected: 0 | [ 14.731189][ C0] INFO: lockdep is turned off. | [ 14.731380][ C0] Preemption disabled at: | [ 14.731382][ C0] schedule_preempt_disabled (kernel/sched/core.c:6933) [ 14.732078][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.732080][ C0] Call Trace: [ 14.732082][ C0] [ 14.732084][ C0] dump_stack_lvl (lib/dump_stack.c:123) [ 14.732089][ C0] __might_resched (kernel/sched/core.c:8796) [ 14.732095][ C0] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 14.732099][ C0] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 14.732102][ C0] ? simple_recursive_removal (fs/libfs.c:614) [ 14.732106][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 14.732110][ 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) [ 14.732116][ C0] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 14.732119][ 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) [ 14.732122][ C0] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 14.732127][ C0] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 14.732130][ C0] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 14.732135][ C0] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 14.732139][ 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) [ 14.732144][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 14.732147][ C0] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 14.732150][ C0] ? irq_exit_rcu (kernel/softirq.c:698) [ 14.732155][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 14.732159][ C0] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 14.732163][ C0] ? pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 14.732166][ C0] ? default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 14.732169][ C0] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 14.732171][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:186) [ 14.732175][ C0] ? do_idle (kernel/sched/idle.c:325) [ 14.732177][ C0] ? cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 14.732179][ C0] ? rest_init (./include/linux/rcupdate.h:842 init/main.c:714) [ 14.732182][ C0] ? start_kernel (init/main.c:1049 (discriminator 1)) [ 14.732189][ C0] __put_net (net/core/net_namespace.c:732) [ 14.732193][ C0] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 14.732197][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 14.732199][ C0] rcu_do_batch (kernel/rcu/tree.c:2576) [ 14.732203][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 14.732208][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 14.732211][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 14.732216][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 14.732219][ C0] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 14.732223][ C0] rcu_core (kernel/rcu/tree.c:2834) [ 14.732228][ C0] handle_softirqs (kernel/softirq.c:579) [ 14.732233][ C0] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) [ 14.732236][ C0] irq_exit_rcu (kernel/softirq.c:698) [ 14.732239][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) [ 14.732243][ C0] [ 14.732244][ C0] [ 14.732245][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 14.732248][ C0] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) [ 14.732252][ C0] Code: 92 b5 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 37 10 00 fb f4 fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 All code ======== 0: 92 xchg %eax,%edx 1: b5 00 mov $0x0,%ch 3: c3 ret 4: cc int3 5: cc int3 6: cc int3 7: cc int3 8: 0f 1f 00 nopl (%rax) b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: f3 0f 1e fa endbr64 1f: 66 90 xchg %ax,%ax 21: 0f 00 2d 83 37 10 00 verw 0x103783(%rip) # 0x1037ab 28: fb sti 29: f4 hlt 2a:* e9 fc 54 02 00 jmp 0x2552b <-- trapping instruction 2f: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 36: 00 00 00 39: 66 90 xchg %ax,%ax 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: e9 fc 54 02 00 jmp 0x25501 5: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) c: 00 00 00 f: 66 90 xchg %ax,%ax 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 14.732254][ C0] RSP: 0018:ffffffff94207df8 EFLAGS: 00000246 [ 14.732257][ C0] RAX: 0000000000072c8b RBX: 1ffffffff2840fc3 RCX: ffffffff935905d9 [ 14.732259][ C0] RDX: 0000000000000000 RSI: ffffffff9408f4e4 RDI: ffffffff93853be0 [ 14.732261][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005e866fa [ 14.732262][ C0] R10: ffff88802f4337d3 R11: ffffffff94211288 R12: 0000000000000000 [ 14.732264][ C0] R13: ffffffff9421f240 R14: dffffc0000000000 R15: 0000000000014770 [ 14.732268][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) [ 14.732272][ C0] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:743) [ 14.732275][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 14.732278][ C0] cpuidle_idle_call (kernel/sched/idle.c:186) [ 14.732281][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) [ 14.732284][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) [ 14.732289][ C0] do_idle (kernel/sched/idle.c:325) [ 14.732293][ C0] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1)) [ 14.732296][ C0] rest_init (./include/linux/rcupdate.h:842 init/main.c:714) [ 14.732299][ C0] start_kernel (init/main.c:1049 (discriminator 1)) [ 14.732304][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:295) [ 14.732308][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:231 (discriminator 17)) [ 14.732312][ C0] common_startup_64 (arch/x86/kernel/head_64.S:419) | [ 16.251146][ C3] INFO: lockdep is turned off. | [ 16.251323][ C3] Preemption disabled at: | [ 16.251325][ C3] copy_fpstate_to_sigframe (./include/linux/instrumented.h:68 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/thread_info.h:126 arch/x86/kernel/fpu/signal.c:214) | [ 16.251731][ C3] Tainted: [W]=WARN [ 16.251732][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.251734][ C3] Call Trace: [ 16.251736][ C3] [ 16.251737][ C3] dump_stack_lvl (lib/dump_stack.c:123) [ 16.251745][ C3] __might_resched (kernel/sched/core.c:8796) [ 16.251752][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) [ 16.251756][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) [ 16.251759][ C3] ? simple_recursive_removal (fs/libfs.c:614) [ 16.251763][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 16.251769][ 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) [ 16.251774][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) [ 16.251777][ 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) [ 16.251780][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) [ 16.251786][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) [ 16.251789][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) [ 16.251795][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) [ 16.251798][ 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) [ 16.251804][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 16.251807][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) [ 16.251810][ C3] ? __local_bh_enable_ip (kernel/softirq.c:407) [ 16.251815][ C3] ? copy_fpstate_to_sigframe (arch/x86/kernel/fpu/signal.c:222) [ 16.251817][ C3] ? get_sigframe (arch/x86/kernel/signal.c:163) [ 16.251822][ C3] ? x64_setup_rt_frame (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 arch/x86/kernel/signal_64.c:153 arch/x86/kernel/signal_64.c:176) [ 16.251826][ C3] ? handle_signal (arch/x86/kernel/signal.c:250 arch/x86/kernel/signal.c:294) [ 16.251829][ C3] ? arch_do_signal_or_restart (arch/x86/kernel/signal.c:340) [ 16.251832][ C3] ? exit_to_user_mode_loop (kernel/entry/common.c:113) [ 16.251837][ C3] ? do_syscall_64 (./include/linux/entry-common.h:330 ./include/linux/entry-common.h:414 ./include/linux/entry-common.h:449 arch/x86/entry/syscall_64.c:100) [ 16.251840][ C3] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 16.251844][ C3] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) [ 16.251849][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 16.251853][ C3] __put_net (net/core/net_namespace.c:732) [ 16.251857][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) [ 16.251861][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2576) [ 16.251863][ C3] rcu_do_batch (kernel/rcu/tree.c:2576) [ 16.251868][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) [ 16.251871][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 16.251874][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) [ 16.251882][ C3] rcu_core (kernel/rcu/tree.c:2834) [ 16.251886][ C3] handle_softirqs (kernel/softirq.c:579) [ 16.251890][ C3] ? copy_fpstate_to_sigframe (./include/linux/bottom_half.h:33 ./arch/x86/include/asm/fpu/api.h:77 arch/x86/kernel/fpu/signal.c:220) [ 16.251894][ C3] do_softirq (kernel/softirq.c:480 kernel/softirq.c:467) [ 16.251897][ C3] [ 16.251898][ C3] [ 16.251899][ C3] __local_bh_enable_ip (kernel/softirq.c:407) [ 16.251903][ C3] copy_fpstate_to_sigframe (arch/x86/kernel/fpu/signal.c:222) [ 16.251906][ C3] ? fpu__alloc_mathframe (arch/x86/kernel/fpu/signal.c:493) [ 16.251910][ C3] get_sigframe (arch/x86/kernel/signal.c:163) [ 16.251913][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) [ 16.251918][ C3] ? __pfx_get_sigframe (arch/x86/kernel/signal.c:96) [ 16.251922][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 16.251925][ C3] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) [ 16.251932][ C3] x64_setup_rt_frame (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 arch/x86/kernel/signal_64.c:153 arch/x86/kernel/signal_64.c:176) [ 16.251936][ C3] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:425) [ 16.251940][ C3] ? __pfx_x64_setup_rt_frame (arch/x86/kernel/signal_64.c:165) [ 16.251946][ C3] handle_signal (arch/x86/kernel/signal.c:250 arch/x86/kernel/signal.c:294) [ 16.251950][ C3] arch_do_signal_or_restart (arch/x86/kernel/signal.c:340) [ 16.251954][ C3] ? __pfx_arch_do_signal_or_restart (arch/x86/kernel/signal.c:334) [ 16.251960][ C3] ? __x64_sys_rt_sigsuspend (kernel/signal.c:4858 kernel/signal.c:4848 kernel/signal.c:4848) [ 16.251964][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 16.251967][ C3] exit_to_user_mode_loop (kernel/entry/common.c:113) [ 16.251971][ C3] do_syscall_64 (./include/linux/entry-common.h:330 ./include/linux/entry-common.h:414 ./include/linux/entry-common.h:449 arch/x86/entry/syscall_64.c:100) [ 16.251974][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 16.251977][ C3] RIP: 0033:0x7f9ad1b5906c [ 16.251982][ C3] Code: Unable to access opcode bytes at 0x7f9ad1b59042. Code starting with the faulting instruction =========================================== [ 16.251987][ C3] RSP: 002b:00007ffcab71aa68 EFLAGS: 00000246 ORIG_RAX: 0000000000000082 [ 16.251990][ C3] RAX: fffffffffffffffc RBX: 00007ffcab71aaa8 RCX: 00007f9ad1b5906c [ 16.251992][ C3] RDX: 0000000000000001 RSI: 0000000000000008 RDI: 00007ffcab71aad0 [ 16.251994][ C3] RBP: 00007ffcab71ab50 R08: 00007ffcab71ab50 R09: 0000000000000000 [ 16.251996][ C3] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcab71aad0 Finger prints: copy_fpstate_to_sigframe:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock schedule_preempt_disabled:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal