======================================
| [   19.152262][  T381] RCU nest depth: 0, expected: 0
| [   19.152428][  T381] 2 locks held by tc/381:
| [ 19.152554][ T381] #0: ffffffff903e7e88 (rtnl_mutex){+.+.}-{4:4}, at: tc_new_tfilter (net/sched/cls_api.c:2261)
| [ 19.152878][ T381] #1: ffff88800a32e810 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
[   19.153431][  T381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.153634][  T381] Call Trace:
[   19.153760][  T381]  <TASK>
[ 19.153863][ T381] dump_stack_lvl (lib/dump_stack.c:123)
[ 19.154041][ T381] __might_resched (kernel/sched/core.c:8759)
[ 19.154204][ T381] ? tc_new_tfilter (net/sched/cls_api.c:2383)
[ 19.154375][ T381] cpus_read_lock (./include/linux/kernel.h:73 ./include/linux/percpu-rwsem.h:49 kernel/cpu.c:490)
[ 19.154537][ T381] static_key_slow_inc (kernel/jump_label.c:191)
[ 19.154701][ T381] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 19.154874][ T381] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 19.155002][ T381] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 19.155195][ T381] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 19.155371][ T381] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 19.155538][ T381] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 19.155708][ T381] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 19.156013][ T381] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 19.156177][ T381] ? 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)
[ 19.156339][ T381] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 19.156470][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 19.156643][ T381] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 19.156803][ T381] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 19.156970][ T381] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 19.157153][ T381] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 19.157334][ T381] ? 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)
[ 19.157501][ T381] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 19.157668][ T381] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 19.157836][ T381] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 19.158007][ T381] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 19.158174][ T381] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 19.158349][ T381] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 19.158514][ T381] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 19.158674][ T381] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 19.158892][ T381] ___sys_sendmsg (net/socket.c:2624)
[ 19.159063][ T381] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110)
[ 19.159265][ T381] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 19.159432][ T381] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070)
[ 19.159633][ T381] ? __pfx_free_object_rcu (mm/kmemleak.c:514)
[ 19.159795][ T381] ? 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)
[ 19.159967][ T381] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 19.160183][ T381] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715)
[ 19.160348][ T381] ? do_sys_openat2 (fs/open.c:1405)
[ 19.160509][ T381] ? do_sys_openat2 (fs/open.c:1411)
[ 19.160674][ T381] ? do_sys_openat2 (fs/open.c:1411)
[ 19.160842][ T381] __sys_sendmsg (net/socket.c:2654)
[ 19.161010][ T381] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 19.161193][ T381] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 19.161357][ T381] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   19.161562][  T381] RIP: 0033:0x7f780c4609a7
[ 19.161748][ T381] Code: Unable to access opcode bytes at 0x7f780c46097d.

Code starting with the faulting instruction
===========================================
[   19.161956][  T381] RSP: 002b:00007ffe6e8102d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.162206][  T381] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007f780c4609a7
[   19.162453][  T381] RDX: 0000000000000000 RSI: 00007ffe6e810340 RDI: 0000000000000005
[   19.162699][  T381] RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000
[   19.162941][  T381] R10: 00007f780c319708 R11: 0000000000000246 R12: 0000000000000000
[   19.163191][  T381] R13: 0000000067858863 R14: 0000000000483b60 R15: 00007ffe6e81497a
| [ 19.165318][ T381] #1: ffff88800a32e810 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
| [ 19.165563][ T381] #2: ffffffff8f9ddcd0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_inc (kernel/jump_label.c:191)
| [   19.165805][  T381] stack backtrace:
| [   19.166154][  T381] Tainted: [W]=WARN
[   19.166257][  T381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.166423][  T381] Call Trace:
[   19.166530][  T381]  <TASK>
[ 19.166601][ T381] dump_stack_lvl (lib/dump_stack.c:123)
[ 19.166742][ T381] __lock_acquire (kernel/locking/lockdep.c:4828 kernel/locking/lockdep.c:4898 kernel/locking/lockdep.c:5176)
[ 19.166878][ T381] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 19.167016][ T381] ? 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)
[ 19.167199][ T381] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 19.167335][ T381] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 19.167470][ T381] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 19.167613][ T381] ? 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)
[ 19.167802][ T381] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:735)
[ 19.167949][ T381] ? 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)
[ 19.168132][ T381] ? 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)
[ 19.168316][ T381] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 19.168463][ T381] ? static_key_slow_inc (kernel/jump_label.c:191)
[ 19.168613][ T381] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 19.168763][ T381] ? 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))
[ 19.168952][ T381] ? __pfx_static_key_fast_inc_not_disabled (kernel/jump_label.c:128)
[ 19.169120][ T381] ? 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)
[ 19.169286][ T381] 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)
[ 19.169451][ T381] static_key_slow_inc (kernel/jump_label.c:191)
[ 19.169585][ T381] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 19.169722][ T381] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 19.169826][ T381] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 19.169968][ T381] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 19.170106][ T381] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 19.170239][ T381] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 19.170377][ T381] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 19.170511][ T381] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 19.170645][ T381] ? 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)
[ 19.170784][ T381] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 19.170887][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 19.171022][ T381] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 19.171156][ T381] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 19.171291][ T381] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 19.171428][ T381] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 19.171564][ T381] ? 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)
[ 19.171703][ T381] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 19.171836][ T381] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 19.171972][ T381] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 19.172110][ T381] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 19.172244][ T381] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 19.172381][ T381] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 19.172516][ T381] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 19.172655][ T381] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 19.172824][ T381] ___sys_sendmsg (net/socket.c:2624)
[ 19.172961][ T381] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110)
[ 19.173129][ T381] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 19.173266][ T381] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070)
[ 19.173430][ T381] ? __pfx_free_object_rcu (mm/kmemleak.c:514)
[ 19.173565][ T381] ? 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)
[ 19.173708][ T381] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 19.173876][ T381] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715)
[ 19.174009][ T381] ? do_sys_openat2 (fs/open.c:1405)
[ 19.174143][ T381] ? do_sys_openat2 (fs/open.c:1411)
[ 19.174281][ T381] ? do_sys_openat2 (fs/open.c:1411)
[ 19.174415][ T381] __sys_sendmsg (net/socket.c:2654)
[ 19.174551][ T381] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 19.174695][ T381] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 19.174833][ T381] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   19.175002][  T381] RIP: 0033:0x7f780c4609a7
[ 19.175148][ T381] Code: Unable to access opcode bytes at 0x7f780c46097d.

Code starting with the faulting instruction
===========================================
[   19.175334][  T381] RSP: 002b:00007ffe6e8102d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.175540][  T381] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007f780c4609a7
[   19.175747][  T381] RDX: 0000000000000000 RSI: 00007ffe6e810340 RDI: 0000000000000005
[   19.175957][  T381] RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000
[   19.176156][  T381] R10: 00007f780c319708 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