======================================
| [  349.048092][ T8034] RCU nest depth: 0, expected: 0
| [  349.048283][ T8034] 2 locks held by tc/8034:
| [ 349.048470][ T8034] #0: ffffffff91be7e88 (rtnl_mutex){+.+.}-{4:4}, at: tc_new_tfilter (net/sched/cls_api.c:2261)
| [ 349.048826][ T8034] #1: ffff8880050d3110 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
[  349.049417][ T8034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  349.049637][ T8034] Call Trace:
[  349.049792][ T8034]  <TASK>
[ 349.049945][ T8034] dump_stack_lvl (lib/dump_stack.c:123)
[ 349.050163][ T8034] __might_resched (kernel/sched/core.c:8759)
[ 349.050345][ T8034] ? tc_new_tfilter (net/sched/cls_api.c:2383)
[ 349.050531][ T8034] cpus_read_lock (./include/linux/kernel.h:73 ./include/linux/percpu-rwsem.h:49 kernel/cpu.c:490)
[ 349.050713][ T8034] static_key_slow_inc (kernel/jump_label.c:191)
[ 349.050912][ T8034] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 349.051101][ T8034] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 349.051240][ T8034] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 349.051473][ T8034] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 349.051648][ T8034] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 349.051827][ T8034] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 349.052059][ T8034] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 349.052312][ T8034] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 349.052559][ T8034] ? 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)
[ 349.052809][ T8034] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 349.053034][ T8034] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 349.053294][ T8034] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 349.053937][ T8034] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 349.054267][ T8034] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 349.054594][ T8034] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 349.054883][ T8034] ? 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)
[ 349.055178][ T8034] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 349.055487][ T8034] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 349.055771][ T8034] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 349.056064][ T8034] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 349.056357][ T8034] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 349.056676][ T8034] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 349.056975][ T8034] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 349.057258][ T8034] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 349.057632][ T8034] ___sys_sendmsg (net/socket.c:2624)
[ 349.057907][ T8034] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110)
[ 349.058233][ T8034] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 349.058447][ T8034] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070)
[ 349.058659][ T8034] ? __pfx_free_object_rcu (mm/kmemleak.c:514)
[ 349.058844][ T8034] ? 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)
[ 349.059039][ T8034] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 349.059262][ T8034] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715)
[ 349.059439][ T8034] ? do_sys_openat2 (fs/open.c:1405)
[ 349.059611][ T8034] ? do_sys_openat2 (fs/open.c:1411)
[ 349.059804][ T8034] ? do_sys_openat2 (fs/open.c:1411)
[ 349.060017][ T8034] __sys_sendmsg (net/socket.c:2654)
[ 349.060215][ T8034] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 349.060418][ T8034] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 349.060616][ T8034] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  349.060845][ T8034] RIP: 0033:0x7fad16e159a7
[ 349.061034][ T8034] Code: Unable to access opcode bytes at 0x7fad16e1597d.

Code starting with the faulting instruction
===========================================
[  349.061256][ T8034] RSP: 002b:00007fffdcee1538 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  349.061519][ T8034] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007fad16e159a7
[  349.061797][ T8034] RDX: 0000000000000000 RSI: 00007fffdcee15a0 RDI: 0000000000000005
[  349.062045][ T8034] RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000
[  349.062288][ T8034] R10: 00007fad16cce708 R11: 0000000000000246 R12: 0000000000000000
[  349.062559][ T8034] R13: 00000000678584a0 R14: 0000000000483b60 R15: 00007fffdcee6974
| [ 349.065220][ T8034] #1: ffff8880050d3110 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
| [ 349.065595][ T8034] #2: ffffffff911ddcd0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_inc (kernel/jump_label.c:191)
| [  349.065975][ T8034] stack backtrace:
| [  349.066502][ T8034] Tainted: [W]=WARN
[  349.066662][ T8034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  349.066926][ T8034] Call Trace:
[  349.067102][ T8034]  <TASK>
[ 349.067215][ T8034] dump_stack_lvl (lib/dump_stack.c:123)
[ 349.067438][ T8034] __lock_acquire (kernel/locking/lockdep.c:4828 kernel/locking/lockdep.c:4898 kernel/locking/lockdep.c:5176)
[ 349.067656][ T8034] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 349.067866][ T8034] ? 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)
[ 349.068142][ T8034] ? 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)
[ 349.068360][ T8034] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 349.068572][ T8034] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 349.068802][ T8034] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 349.069025][ T8034] ? 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)
[ 349.069295][ T8034] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:735)
[ 349.069524][ T8034] ? 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)
[ 349.069801][ T8034] ? 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)
[ 349.070073][ T8034] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 349.070290][ T8034] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 349.070523][ T8034] ? 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))
[ 349.070786][ T8034] ? __pfx_static_key_fast_inc_not_disabled (kernel/jump_label.c:128)
[ 349.071039][ T8034] ? 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)
[ 349.071280][ T8034] 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)
[ 349.071455][ T8034] static_key_slow_inc (kernel/jump_label.c:191)
[ 349.071589][ T8034] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 349.071729][ T8034] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 349.071868][ T8034] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 349.072010][ T8034] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 349.072156][ T8034] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 349.072318][ T8034] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 349.072454][ T8034] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 349.072597][ T8034] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 349.072743][ T8034] ? 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)
[ 349.072892][ T8034] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 349.073005][ T8034] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 349.073157][ T8034] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 349.073305][ T8034] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 349.073453][ T8034] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 349.073602][ T8034] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 349.073738][ T8034] ? 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)
[ 349.073916][ T8034] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 349.074058][ T8034] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 349.074219][ T8034] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 349.074365][ T8034] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 349.074501][ T8034] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 349.074638][ T8034] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 349.074792][ T8034] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 349.074935][ T8034] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 349.075111][ T8034] ___sys_sendmsg (net/socket.c:2624)
[ 349.075245][ T8034] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110)
[ 349.075416][ T8034] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 349.075551][ T8034] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070)
[ 349.075716][ T8034] ? __pfx_free_object_rcu (mm/kmemleak.c:514)
[ 349.075874][ T8034] ? 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)
[ 349.076021][ T8034] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 349.076195][ T8034] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715)
[ 349.076344][ T8034] ? do_sys_openat2 (fs/open.c:1405)
[ 349.076478][ T8034] ? do_sys_openat2 (fs/open.c:1411)
[ 349.076613][ T8034] ? do_sys_openat2 (fs/open.c:1411)
[ 349.076755][ T8034] __sys_sendmsg (net/socket.c:2654)
[ 349.076903][ T8034] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 349.077133][ T8034] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 349.077269][ T8034] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  349.077437][ T8034] RIP: 0033:0x7fad16e159a7
[ 349.077590][ T8034] Code: Unable to access opcode bytes at 0x7fad16e1597d.

Code starting with the faulting instruction
===========================================
[  349.077848][ T8034] RSP: 002b:00007fffdcee1538 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  349.078124][ T8034] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007fad16e159a7
[  349.078429][ T8034] RDX: 0000000000000000 RSI: 00007fffdcee15a0 RDI: 0000000000000005
[  349.078852][ T8034] RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000
[  349.079159][ T8034] R10: 00007fad16cce708 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