======================================
| [  156.623205][ T1885] RCU nest depth: 0, expected: 0
| [  156.623398][ T1885] 2 locks held by tc/1885:
| [ 156.623583][ T1885] #0: ffffffff875e7e88 (rtnl_mutex){+.+.}-{4:4}, at: tc_new_tfilter (net/sched/cls_api.c:2261)
| [ 156.623936][ T1885] #1: ffff888009789290 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
[  156.624494][ T1885] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  156.624698][ T1885] Call Trace:
[  156.624825][ T1885]  <TASK>
[ 156.624919][ T1885] dump_stack_lvl (lib/dump_stack.c:123)
[ 156.625093][ T1885] __might_resched (kernel/sched/core.c:8759)
[ 156.625258][ T1885] ? tc_new_tfilter (net/sched/cls_api.c:2383)
[ 156.625436][ T1885] cpus_read_lock (./include/linux/kernel.h:73 ./include/linux/percpu-rwsem.h:49 kernel/cpu.c:490)
[ 156.625602][ T1885] static_key_slow_inc (kernel/jump_label.c:191)
[ 156.625770][ T1885] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 156.625944][ T1885] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 156.626075][ T1885] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 156.626270][ T1885] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 156.626442][ T1885] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 156.626610][ T1885] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 156.626775][ T1885] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 156.626941][ T1885] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 156.627301][ T1885] ? 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)
[ 156.627462][ T1885] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 156.627597][ T1885] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 156.627762][ T1885] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 156.627929][ T1885] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 156.628095][ T1885] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 156.628275][ T1885] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 156.628443][ T1885] ? 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)
[ 156.628622][ T1885] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 156.628797][ T1885] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 156.628963][ T1885] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 156.629139][ T1885] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 156.629308][ T1885] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 156.629483][ T1885] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 156.629652][ T1885] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 156.629815][ T1885] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 156.630042][ T1885] ___sys_sendmsg (net/socket.c:2624)
[ 156.630205][ T1885] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110)
[ 156.630409][ T1885] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 156.630579][ T1885] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070)
[ 156.630782][ T1885] ? __pfx_free_object_rcu (mm/kmemleak.c:514)
[ 156.630948][ T1885] ? 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)
[ 156.631123][ T1885] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 156.631336][ T1885] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715)
[ 156.631501][ T1885] ? do_sys_openat2 (fs/open.c:1405)
[ 156.631663][ T1885] ? do_sys_openat2 (fs/open.c:1411)
[ 156.631831][ T1885] ? do_sys_openat2 (fs/open.c:1411)
[ 156.632003][ T1885] __sys_sendmsg (net/socket.c:2654)
[ 156.632168][ T1885] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 156.632351][ T1885] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 156.632523][ T1885] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  156.632729][ T1885] RIP: 0033:0x7f68b34749a7
[ 156.632906][ T1885] Code: Unable to access opcode bytes at 0x7f68b347497d.

Code starting with the faulting instruction
===========================================
[  156.633114][ T1885] RSP: 002b:00007ffd04173698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  156.633361][ T1885] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007f68b34749a7
[  156.633605][ T1885] RDX: 0000000000000000 RSI: 00007ffd04173700 RDI: 0000000000000005
[  156.633853][ T1885] RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000
[  156.634096][ T1885] R10: 00007f68b332d708 R11: 0000000000000246 R12: 0000000000000000
[  156.634362][ T1885] R13: 0000000067858768 R14: 0000000000483b60 R15: 00007ffd04178974
| [ 156.636600][ T1885] #1: ffff888009789290 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
| [ 156.636837][ T1885] #2: ffffffff86bddcd0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_inc (kernel/jump_label.c:191)
| [  156.637082][ T1885] stack backtrace:
| [  156.637419][ T1885] Tainted: [W]=WARN
[  156.637527][ T1885] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  156.637695][ T1885] Call Trace:
[  156.637797][ T1885]  <TASK>
[ 156.637900][ T1885] dump_stack_lvl (lib/dump_stack.c:123)
[ 156.638060][ T1885] __lock_acquire (kernel/locking/lockdep.c:4828 kernel/locking/lockdep.c:4898 kernel/locking/lockdep.c:5176)
[ 156.638199][ T1885] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 156.638340][ T1885] ? 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)
[ 156.638522][ T1885] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 156.638693][ T1885] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 156.638826][ T1885] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 156.638982][ T1885] ? 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)
[ 156.639162][ T1885] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:735)
[ 156.639311][ T1885] ? 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)
[ 156.639492][ T1885] ? 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)
[ 156.639670][ T1885] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 156.639805][ T1885] ? static_key_slow_inc (kernel/jump_label.c:191)
[ 156.639949][ T1885] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 156.640099][ T1885] ? 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))
[ 156.640267][ T1885] ? __pfx_static_key_fast_inc_not_disabled (kernel/jump_label.c:128)
[ 156.640437][ T1885] ? 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)
[ 156.640604][ T1885] 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)
[ 156.640774][ T1885] static_key_slow_inc (kernel/jump_label.c:191)
[ 156.640911][ T1885] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 156.641048][ T1885] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 156.641156][ T1885] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 156.641295][ T1885] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 156.641434][ T1885] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 156.641569][ T1885] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 156.641715][ T1885] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 156.641864][ T1885] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 156.642021][ T1885] ? 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)
[ 156.642159][ T1885] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 156.642263][ T1885] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 156.642398][ T1885] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 156.642533][ T1885] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 156.642669][ T1885] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 156.642808][ T1885] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 156.642945][ T1885] ? 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)
[ 156.643085][ T1885] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 156.643221][ T1885] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 156.643357][ T1885] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 156.643494][ T1885] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 156.643630][ T1885] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 156.643767][ T1885] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 156.643910][ T1885] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 156.644052][ T1885] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 156.644224][ T1885] ___sys_sendmsg (net/socket.c:2624)
[ 156.644362][ T1885] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110)
[ 156.644532][ T1885] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 156.644669][ T1885] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070)
[ 156.644836][ T1885] ? __pfx_free_object_rcu (mm/kmemleak.c:514)
[ 156.644979][ T1885] ? 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)
[ 156.645119][ T1885] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 156.645290][ T1885] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715)
[ 156.645426][ T1885] ? do_sys_openat2 (fs/open.c:1405)
[ 156.645562][ T1885] ? do_sys_openat2 (fs/open.c:1411)
[ 156.645724][ T1885] ? do_sys_openat2 (fs/open.c:1411)
[ 156.645871][ T1885] __sys_sendmsg (net/socket.c:2654)
[ 156.646009][ T1885] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 156.646153][ T1885] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 156.646291][ T1885] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  156.646458][ T1885] RIP: 0033:0x7f68b34749a7
[ 156.646602][ T1885] Code: Unable to access opcode bytes at 0x7f68b347497d.

Code starting with the faulting instruction
===========================================
[  156.646774][ T1885] RSP: 002b:00007ffd04173698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  156.646977][ T1885] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007f68b34749a7
[  156.647181][ T1885] RDX: 0000000000000000 RSI: 00007ffd04173700 RDI: 0000000000000005
[  156.647381][ T1885] RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000
[  156.647608][ T1885] R10: 00007f68b332d708 R11: 0000000000000246 R12: 0000000000000000


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