======================================
| [   19.236018][  T375] RCU nest depth: 0, expected: 0
| [   19.236193][  T375] 2 locks held by tc/375:
| [ 19.236328][ T375] #0: ffffffffbd1e7e88 (rtnl_mutex){+.+.}-{4:4}, at: tc_new_tfilter (net/sched/cls_api.c:2261)
| [ 19.236674][ T375] #1: ffff88800bcf1b90 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
[   19.237258][  T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.237478][  T375] Call Trace:
[   19.237614][  T375]  <TASK>
[ 19.237711][ T375] dump_stack_lvl (lib/dump_stack.c:123)
[ 19.237897][ T375] __might_resched (kernel/sched/core.c:8759)
[ 19.238086][ T375] ? tc_new_tfilter (net/sched/cls_api.c:2383)
[ 19.238268][ T375] cpus_read_lock (./include/linux/kernel.h:73 ./include/linux/percpu-rwsem.h:49 kernel/cpu.c:490)
[ 19.238447][ T375] static_key_slow_inc (kernel/jump_label.c:191)
[ 19.238623][ T375] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 19.238809][ T375] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 19.238945][ T375] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 19.239145][ T375] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 19.239337][ T375] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 19.239514][ T375] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 19.239692][ T375] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 19.239878][ T375] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 19.240052][ T375] ? 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)
[ 19.240227][ T375] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 19.240368][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 19.240548][ T375] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 19.240733][ T375] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 19.240910][ T375] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 19.241105][ T375] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 19.241287][ T375] ? 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)
[ 19.241471][ T375] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 19.241650][ T375] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 19.241833][ T375] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 19.242015][ T375] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 19.242198][ T375] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 19.242386][ T375] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 19.242571][ T375] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 19.242746][ T375] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 19.242981][ T375] ___sys_sendmsg (net/socket.c:2624)
[ 19.243155][ T375] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110)
[ 19.243381][ T375] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 19.243562][ T375] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070)
[ 19.243782][ T375] ? __pfx_free_object_rcu (mm/kmemleak.c:514)
[ 19.243959][ T375] ? 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)
[ 19.244152][ T375] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 19.244376][ T375] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715)
[ 19.244558][ T375] ? do_sys_openat2 (fs/open.c:1405)
[ 19.244733][ T375] ? do_sys_openat2 (fs/open.c:1411)
[ 19.244914][ T375] ? do_sys_openat2 (fs/open.c:1411)
[ 19.245098][ T375] __sys_sendmsg (net/socket.c:2654)
[ 19.245274][ T375] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 19.245493][ T375] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 19.245673][ T375] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   19.245893][  T375] RIP: 0033:0x7f31f2ba49a7
[ 19.246088][ T375] Code: Unable to access opcode bytes at 0x7f31f2ba497d.

Code starting with the faulting instruction
===========================================
[   19.246314][  T375] RSP: 002b:00007ffcf666aec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.246582][  T375] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007f31f2ba49a7
[   19.246847][  T375] RDX: 0000000000000000 RSI: 00007ffcf666af30 RDI: 0000000000000005
[   19.247118][  T375] RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000
[   19.247384][  T375] R10: 00007f31f2a5d708 R11: 0000000000000246 R12: 0000000000000000
[   19.247650][  T375] R13: 00000000678589e9 R14: 0000000000483b60 R15: 00007ffcf667098c
| [ 19.249981][ T375] #1: ffff88800bcf1b90 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
| [ 19.250243][ T375] #2: ffffffffbc7ddcd0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_inc (kernel/jump_label.c:191)
| [   19.250508][  T375] stack backtrace:
| [   19.250879][  T375] Tainted: [W]=WARN
[   19.250993][  T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.251177][  T375] Call Trace:
[   19.251291][  T375]  <TASK>
[ 19.251370][ T375] dump_stack_lvl (lib/dump_stack.c:123)
[ 19.251524][ T375] __lock_acquire (kernel/locking/lockdep.c:4828 kernel/locking/lockdep.c:4898 kernel/locking/lockdep.c:5176)
[ 19.251679][ T375] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 19.251826][ T375] ? 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)
[ 19.252013][ T375] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 19.252160][ T375] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 19.252310][ T375] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 19.252470][ T375] ? 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)
[ 19.252652][ T375] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:735)
[ 19.252804][ T375] ? 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)
[ 19.252988][ T375] ? 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)
[ 19.253171][ T375] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 19.253319][ T375] ? static_key_slow_inc (kernel/jump_label.c:191)
[ 19.253469][ T375] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 19.253616][ T375] ? 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))
[ 19.253804][ T375] ? __pfx_static_key_fast_inc_not_disabled (kernel/jump_label.c:128)
[ 19.253988][ T375] ? 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)
[ 19.254172][ T375] 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)
[ 19.254359][ T375] static_key_slow_inc (kernel/jump_label.c:191)
[ 19.254506][ T375] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 19.254657][ T375] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 19.254768][ T375] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 19.254926][ T375] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 19.255077][ T375] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 19.255226][ T375] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 19.255384][ T375] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 19.255532][ T375] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 19.255680][ T375] ? 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)
[ 19.255827][ T375] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 19.255944][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 19.256093][ T375] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 19.256240][ T375] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 19.256389][ T375] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 19.256540][ T375] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 19.256690][ T375] ? 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)
[ 19.256839][ T375] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 19.256990][ T375] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 19.257138][ T375] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 19.257287][ T375] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 19.257435][ T375] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 19.257589][ T375] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 19.257737][ T375] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 19.257883][ T375] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 19.258078][ T375] ___sys_sendmsg (net/socket.c:2624)
[ 19.258229][ T375] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110)
[ 19.258413][ T375] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 19.258638][ T375] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070)
[ 19.258822][ T375] ? __pfx_free_object_rcu (mm/kmemleak.c:514)
[ 19.258969][ T375] ? 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)
[ 19.259121][ T375] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 19.259384][ T375] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715)
[ 19.259534][ T375] ? do_sys_openat2 (fs/open.c:1405)
[ 19.259682][ T375] ? do_sys_openat2 (fs/open.c:1411)
[ 19.259834][ T375] ? do_sys_openat2 (fs/open.c:1411)
[ 19.260056][ T375] __sys_sendmsg (net/socket.c:2654)
[ 19.260206][ T375] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 19.260357][ T375] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 19.260508][ T375] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   19.260766][  T375] RIP: 0033:0x7f31f2ba49a7
[ 19.260923][ T375] Code: Unable to access opcode bytes at 0x7f31f2ba497d.

Code starting with the faulting instruction
===========================================
[   19.261111][  T375] RSP: 002b:00007ffcf666aec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.261409][  T375] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007f31f2ba49a7
[   19.261632][  T375] RDX: 0000000000000000 RSI: 00007ffcf666af30 RDI: 0000000000000005
[   19.261857][  T375] RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000
[   19.262156][  T375] R10: 00007f31f2a5d708 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