======================================
| [   13.003505][  T286] preempt_count: 1, expected: 0
| [   13.004218][  T286] RCU nest depth: 0, expected: 0
| [   13.004430][  T286] 1 lock held by tc/286:
| [ 13.004586][ T286] #0: ffff888008efc510 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
[   13.005222][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.005480][  T286] Call Trace:
[   13.005619][  T286]  <TASK>
[ 13.005729][ T286] dump_stack_lvl (lib/dump_stack.c:123)
[ 13.005920][ T286] __might_resched (kernel/sched/core.c:8759)
[ 13.006115][ T286] ? tc_new_tfilter (net/sched/cls_api.c:2383)
[ 13.006303][ T286] cpus_read_lock (./include/linux/kernel.h:73 ./include/linux/percpu-rwsem.h:49 kernel/cpu.c:490)
[ 13.006505][ T286] static_key_slow_inc (kernel/jump_label.c:191)
[ 13.006703][ T286] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 13.006952][ T286] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 13.007103][ T286] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 13.007314][ T286] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 13.007513][ T286] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 13.007707][ T286] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 13.007893][ T286] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 13.008104][ T286] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 13.008290][ T286] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 13.008476][ T286] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 13.008625][ T286] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 13.008814][ T286] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 13.008999][ T286] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 13.009199][ T286] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 13.009409][ T286] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 13.009603][ T286] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[ 13.010104][ T286] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 13.010304][ T286] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 13.010496][ T286] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 13.010691][ T286] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 13.010889][ T286] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 13.011091][ T286] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 13.011286][ T286] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 13.011475][ T286] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 13.011726][ T286] ___sys_sendmsg (net/socket.c:2624)
[ 13.011909][ T286] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110)
[ 13.012144][ T286] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 13.012330][ T286] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070)
[ 13.012566][ T286] ? __pfx_free_object_rcu (mm/kmemleak.c:514)
[ 13.012755][ T286] ? trace_rcu_segcb_stats (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:570 ./include/linux/cpumask.h:1117 ./include/trace/events/rcu.h:537)
[ 13.012938][ T286] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 13.013185][ T286] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715)
[ 13.013368][ T286] ? do_sys_openat2 (fs/open.c:1405)
[ 13.013552][ T286] ? do_sys_openat2 (fs/open.c:1411)
[ 13.013733][ T286] ? do_sys_openat2 (fs/open.c:1411)
[ 13.013921][ T286] __sys_sendmsg (net/socket.c:2654)
[ 13.014109][ T286] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 13.014308][ T286] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 13.014507][ T286] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   13.014729][  T286] RIP: 0033:0x7f3f5c1979a7
[ 13.014925][ T286] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   13.015577][  T286] RSP: 002b:00007ffd761ae6e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   13.015859][  T286] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007f3f5c1979a7
[   13.016125][  T286] RDX: 0000000000000000 RSI: 00007ffd761ae750 RDI: 0000000000000005
[   13.016409][  T286] RBP: 0000000000000988 R08: 0000000000000000 R09: 0000000000000000
[   13.016676][  T286] R10: 00007f3f5c050708 R11: 0000000000000246 R12: 00007ffd761b396c
[   13.016981][  T286] R13: 00000000678587c6 R14: 0000000000483b60 R15: 00007ffd761b3970
| [ 13.019286][ T286] #0: ffff888008efc510 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
| [ 13.019564][ T286] #1: ffffffffa19ddcd0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_inc (kernel/jump_label.c:191)
| [   13.019824][  T286] stack backtrace:
| [   13.020212][  T286] Tainted: [W]=WARN
[   13.020323][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.020512][  T286] Call Trace:
[   13.020626][  T286]  <TASK>
[ 13.020705][ T286] dump_stack_lvl (lib/dump_stack.c:123)
[ 13.020861][ T286] __lock_acquire (kernel/locking/lockdep.c:4828 kernel/locking/lockdep.c:4898 kernel/locking/lockdep.c:5176)
[ 13.021014][ T286] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 13.021161][ T286] ? static_key_slow_inc_cpuslocked (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:1195 kernel/jump_label.c:167 kernel/jump_label.c:151)
[ 13.021350][ T286] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 13.021517][ T286] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 13.021677][ T286] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 13.021826][ T286] ? static_key_slow_inc_cpuslocked (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:1195 kernel/jump_label.c:167 kernel/jump_label.c:151)
[ 13.022013][ T286] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:735)
[ 13.022159][ T286] ? static_key_slow_inc_cpuslocked (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:1195 kernel/jump_label.c:167 kernel/jump_label.c:151)
[ 13.022350][ T286] ? static_key_slow_inc_cpuslocked (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:1195 kernel/jump_label.c:167 kernel/jump_label.c:151)
[ 13.022545][ T286] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 13.022692][ T286] ? static_key_slow_inc (kernel/jump_label.c:191)
[ 13.022848][ T286] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 13.022998][ T286] ? static_key_fast_inc_not_disabled (./arch/x86/include/asm/atomic.h:23 (discriminator 3) ./include/linux/atomic/atomic-arch-fallback.h:457 (discriminator 3) ./include/linux/atomic/atomic-instrumented.h:33 (discriminator 3) kernel/jump_label.c:141 (discriminator 3))
[ 13.023181][ T286] ? __pfx_static_key_fast_inc_not_disabled (kernel/jump_label.c:128)
[ 13.023383][ T286] ? static_key_slow_inc_cpuslocked (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:1195 kernel/jump_label.c:167 kernel/jump_label.c:151)
[ 13.023597][ T286] static_key_slow_inc_cpuslocked (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:1195 kernel/jump_label.c:167 kernel/jump_label.c:151)
[ 13.023782][ T286] static_key_slow_inc (kernel/jump_label.c:191)
[ 13.023936][ T286] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 13.024089][ T286] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 13.024205][ T286] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 13.024358][ T286] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 13.024523][ T286] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 13.024685][ T286] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 13.024853][ T286] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 13.025009][ T286] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 13.025174][ T286] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 13.025322][ T286] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 13.025446][ T286] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 13.025598][ T286] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 13.025751][ T286] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 13.025907][ T286] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 13.026067][ T286] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 13.026228][ T286] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[ 13.026377][ T286] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 13.026536][ T286] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 13.026693][ T286] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 13.026854][ T286] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 13.027032][ T286] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 13.027194][ T286] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 13.027356][ T286] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 13.027510][ T286] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 13.027698][ T286] ___sys_sendmsg (net/socket.c:2624)
[ 13.027849][ T286] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110)
[ 13.028036][ T286] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 13.028211][ T286] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070)
[ 13.028427][ T286] ? __pfx_free_object_rcu (mm/kmemleak.c:514)
[ 13.028591][ T286] ? trace_rcu_segcb_stats (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:570 ./include/linux/cpumask.h:1117 ./include/trace/events/rcu.h:537)
[ 13.028757][ T286] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 13.028965][ T286] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715)
[ 13.029133][ T286] ? do_sys_openat2 (fs/open.c:1405)
[ 13.029330][ T286] ? do_sys_openat2 (fs/open.c:1411)
[ 13.029485][ T286] ? do_sys_openat2 (fs/open.c:1411)
[ 13.029668][ T286] __sys_sendmsg (net/socket.c:2654)
[ 13.029827][ T286] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 13.030002][ T286] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 13.030157][ T286] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   13.030377][  T286] RIP: 0033:0x7f3f5c1979a7
[ 13.030535][ T286] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   13.031108][  T286] RSP: 002b:00007ffd761ae6e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   13.031351][  T286] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007f3f5c1979a7
[   13.031596][  T286] RDX: 0000000000000000 RSI: 00007ffd761ae750 RDI: 0000000000000005
[   13.031826][  T286] RBP: 0000000000000988 R08: 0000000000000000 R09: 0000000000000000
[   13.032082][  T286] R10: 00007f3f5c050708 R11: 0000000000000246 R12: 00007ffd761b396c


Finger prints:
__lock_acquire:__mutex_lock:static_key_slow_inc_cpuslocked:static_key_slow_inc:tc_new_tfilter
__might_resched:cpus_read_lock:static_key_slow_inc:tc_new_tfilter:rtnetlink_rcv_msg