======================================
| [   11.724370][  T270] RCU nest depth: 0, expected: 0
| [   11.724570][  T270] 2 locks held by tc/270:
| [ 11.724717][ T270] #0: ffffffff9e609c08 (rtnl_mutex){+.+.}-{4:4}, at: tc_new_tfilter (net/sched/cls_api.c:2261)
| [ 11.725070][ T270] #1: ffff888007cd9590 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
[   11.725674][  T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.725890][  T270] Call Trace:
[   11.726027][  T270]  <TASK>
[ 11.726121][ T270] dump_stack_lvl (lib/dump_stack.c:123)
[ 11.726302][ T270] __might_resched (kernel/sched/core.c:8759)
[ 11.726485][ T270] ? tc_new_tfilter (net/sched/cls_api.c:2383)
[ 11.726665][ T270] cpus_read_lock (./include/linux/kernel.h:73 ./include/linux/percpu-rwsem.h:49 kernel/cpu.c:490)
[ 11.726839][ T270] static_key_slow_inc (kernel/jump_label.c:191)
[ 11.727015][ T270] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 11.727196][ T270] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 11.727332][ T270] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 11.727530][ T270] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 11.727710][ T270] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 11.727885][ T270] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 11.728059][ T270] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 11.728238][ T270] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 11.728410][ T270] ? 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)
[ 11.728580][ T270] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 11.728718][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 11.728894][ T270] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 11.729064][ T270] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 11.729237][ T270] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 11.729430][ T270] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 11.729607][ T270] ? 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)
[ 11.729784][ T270] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 11.729960][ T270] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 11.730133][ T270] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 11.730316][ T270] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 11.730489][ T270] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 11.730678][ T270] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 11.730854][ T270] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 11.731025][ T270] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 11.731250][ T270] ___sys_sendmsg (net/socket.c:2624)
[ 11.731420][ T270] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110)
[ 11.731635][ T270] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 11.731808][ T270] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070)
[ 11.732024][ T270] ? __pfx_free_object_rcu (mm/kmemleak.c:514)
[ 11.732196][ T270] ? 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)
[ 11.732379][ T270] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 11.732596][ T270] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715)
[ 11.732767][ T270] ? do_sys_openat2 (fs/open.c:1405)
[ 11.732938][ T270] ? do_sys_openat2 (fs/open.c:1411)
[ 11.733116][ T270] ? do_sys_openat2 (fs/open.c:1411)
[ 11.733297][ T270] __sys_sendmsg (net/socket.c:2654)
[ 11.733466][ T270] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 11.733659][ T270] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 11.733831][ T270] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   11.734044][  T270] RIP: 0033:0x7f3d963869a7
[ 11.734226][ T270] Code: Unable to access opcode bytes at 0x7f3d9638697d.

Code starting with the faulting instruction
===========================================
[   11.734451][  T270] RSP: 002b:00007ffcfbb492e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   11.734717][  T270] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007f3d963869a7
[   11.734974][  T270] RDX: 0000000000000000 RSI: 00007ffcfbb49350 RDI: 0000000000000005
[   11.735248][  T270] RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000
[   11.735507][  T270] R10: 00007f3d9623f708 R11: 0000000000000246 R12: 00007ffcfbb4e989
[   11.735774][  T270] R13: 0000000067859563 R14: 0000000000483b60 R15: 00007ffcfbb4e99a
| [ 11.738029][ T270] #1: ffff888007cd9590 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
| [ 11.738283][ T270] #2: ffffffff9dbf1cd0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_inc (kernel/jump_label.c:191)
| [   11.738533][  T270] stack backtrace:
| [   11.738894][  T270] Tainted: [W]=WARN
[   11.739005][  T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.739181][  T270] Call Trace:
[   11.739291][  T270]  <TASK>
[ 11.739366][ T270] dump_stack_lvl (lib/dump_stack.c:123)
[ 11.739516][ T270] __lock_acquire (kernel/locking/lockdep.c:4828 kernel/locking/lockdep.c:4898 kernel/locking/lockdep.c:5176)
[ 11.739662][ T270] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 11.739805][ T270] ? 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)
[ 11.739991][ T270] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 11.740133][ T270] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 11.740277][ T270] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 11.740423][ T270] ? 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)
[ 11.740602][ T270] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:735)
[ 11.740747][ T270] ? 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)
[ 11.740926][ T270] ? 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)
[ 11.741108][ T270] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 11.741249][ T270] ? static_key_slow_inc (kernel/jump_label.c:191)
[ 11.741396][ T270] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 11.741542][ T270] ? 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))
[ 11.741720][ T270] ? __pfx_static_key_fast_inc_not_disabled (kernel/jump_label.c:128)
[ 11.741901][ T270] ? 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)
[ 11.742082][ T270] 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)
[ 11.742260][ T270] static_key_slow_inc (kernel/jump_label.c:191)
[ 11.742403][ T270] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 11.742548][ T270] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 11.742657][ T270] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 11.742809][ T270] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 11.742956][ T270] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 11.743104][ T270] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 11.743249][ T270] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 11.743397][ T270] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 11.743540][ T270] ? 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)
[ 11.743682][ T270] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 11.743792][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 11.743941][ T270] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 11.744083][ T270] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 11.744228][ T270] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 11.744375][ T270] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 11.744522][ T270] ? 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)
[ 11.744669][ T270] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 11.744812][ T270] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 11.744955][ T270] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 11.745100][ T270] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 11.745273][ T270] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 11.745419][ T270] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 11.745565][ T270] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 11.745709][ T270] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 11.745891][ T270] ___sys_sendmsg (net/socket.c:2624)
[ 11.746034][ T270] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110)
[ 11.746215][ T270] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 11.746365][ T270] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070)
[ 11.746544][ T270] ? __pfx_free_object_rcu (mm/kmemleak.c:514)
[ 11.746690][ T270] ? 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)
[ 11.746838][ T270] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 11.747022][ T270] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715)
[ 11.747166][ T270] ? do_sys_openat2 (fs/open.c:1405)
[ 11.747313][ T270] ? do_sys_openat2 (fs/open.c:1411)
[ 11.747458][ T270] ? do_sys_openat2 (fs/open.c:1411)
[ 11.747604][ T270] __sys_sendmsg (net/socket.c:2654)
[ 11.747747][ T270] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 11.747895][ T270] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 11.748040][ T270] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   11.748221][  T270] RIP: 0033:0x7f3d963869a7
[ 11.748371][ T270] Code: Unable to access opcode bytes at 0x7f3d9638697d.

Code starting with the faulting instruction
===========================================
[   11.748560][  T270] RSP: 002b:00007ffcfbb492e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   11.748776][  T270] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007f3d963869a7
[   11.748993][  T270] RDX: 0000000000000000 RSI: 00007ffcfbb49350 RDI: 0000000000000005
[   11.749210][  T270] RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000
[   11.749432][  T270] R10: 00007f3d9623f708 R11: 0000000000000246 R12: 00007ffcfbb4e989


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