======================================
| [  348.298219][ T4230] RCU nest depth: 0, expected: 0
| [  348.298405][ T4230] 2 locks held by tc/4230:
| [ 348.298585][ T4230] #0: ffffffff8b209c08 (rtnl_mutex){+.+.}-{4:4}, at: tc_new_tfilter (net/sched/cls_api.c:2261)
| [ 348.298935][ T4230] #1: ffff88800974ef90 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
[  348.299531][ T4230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  348.299749][ T4230] Call Trace:
[  348.299899][ T4230]  <TASK>
[ 348.299994][ T4230] dump_stack_lvl (lib/dump_stack.c:123)
[ 348.300183][ T4230] __might_resched (kernel/sched/core.c:8759)
[ 348.300360][ T4230] ? tc_new_tfilter (net/sched/cls_api.c:2383)
[ 348.300557][ T4230] cpus_read_lock (./include/linux/kernel.h:73 ./include/linux/percpu-rwsem.h:49 kernel/cpu.c:490)
[ 348.300734][ T4230] static_key_slow_inc (kernel/jump_label.c:191)
[ 348.300907][ T4230] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 348.301101][ T4230] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 348.301236][ T4230] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 348.301439][ T4230] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 348.301637][ T4230] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 348.301814][ T4230] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 348.302207][ T4230] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 348.302389][ T4230] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 348.302566][ T4230] ? 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)
[ 348.302739][ T4230] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 348.302972][ T4230] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 348.303149][ T4230] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 348.303320][ T4230] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 348.303483][ T4230] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 348.303662][ T4230] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 348.303826][ T4230] ? 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)
[ 348.304001][ T4230] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 348.304163][ T4230] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 348.304370][ T4230] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 348.304552][ T4230] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 348.304738][ T4230] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 348.304925][ T4230] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 348.305105][ T4230] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 348.305282][ T4230] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 348.305513][ T4230] ___sys_sendmsg (net/socket.c:2624)
[ 348.305690][ T4230] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110)
[ 348.305911][ T4230] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 348.306089][ T4230] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070)
[ 348.306302][ T4230] ? __pfx_free_object_rcu (mm/kmemleak.c:514)
[ 348.306494][ T4230] ? 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)
[ 348.306680][ T4230] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 348.306929][ T4230] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715)
[ 348.307109][ T4230] ? do_sys_openat2 (fs/open.c:1405)
[ 348.307289][ T4230] ? do_sys_openat2 (fs/open.c:1411)
[ 348.307470][ T4230] ? do_sys_openat2 (fs/open.c:1411)
[ 348.307651][ T4230] __sys_sendmsg (net/socket.c:2654)
[ 348.307830][ T4230] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 348.308026][ T4230] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 348.308205][ T4230] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  348.308432][ T4230] RIP: 0033:0x7f4e0d7579a7
[ 348.308621][ T4230] Code: Unable to access opcode bytes at 0x7f4e0d75797d.

Code starting with the faulting instruction
===========================================
[  348.308851][ T4230] RSP: 002b:00007fff5e6d6a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  348.309117][ T4230] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007f4e0d7579a7
[  348.309379][ T4230] RDX: 0000000000000000 RSI: 00007fff5e6d6a90 RDI: 0000000000000005
[  348.309648][ T4230] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
[  348.309910][ T4230] R10: 00007f4e0d610708 R11: 0000000000000246 R12: 00007fff5e6db9b3
[  348.310174][ T4230] R13: 0000000067859199 R14: 0000000000483b60 R15: 00007fff5e6db9c0
| [ 348.312517][ T4230] #1: ffff88800974ef90 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
| [ 348.312789][ T4230] #2: ffffffff8a7f1cd0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_inc (kernel/jump_label.c:191)
| [  348.313063][ T4230] stack backtrace:
| [  348.313437][ T4230] Tainted: [W]=WARN
[  348.313562][ T4230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  348.313754][ T4230] Call Trace:
[  348.313868][ T4230]  <TASK>
[ 348.313956][ T4230] dump_stack_lvl (lib/dump_stack.c:123)
[ 348.314116][ T4230] __lock_acquire (kernel/locking/lockdep.c:4828 kernel/locking/lockdep.c:4898 kernel/locking/lockdep.c:5176)
[ 348.314275][ T4230] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 348.314431][ T4230] ? 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)
[ 348.314631][ T4230] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 348.314779][ T4230] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 348.314938][ T4230] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 348.315084][ T4230] ? 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)
[ 348.315264][ T4230] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:735)
[ 348.315400][ T4230] ? 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)
[ 348.315563][ T4230] ? 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)
[ 348.315729][ T4230] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 348.315860][ T4230] ? static_key_slow_inc (kernel/jump_label.c:191)
[ 348.315992][ T4230] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 348.316124][ T4230] ? 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))
[ 348.316294][ T4230] ? __pfx_static_key_fast_inc_not_disabled (kernel/jump_label.c:128)
[ 348.316460][ T4230] ? 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)
[ 348.316622][ T4230] 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)
[ 348.316794][ T4230] static_key_slow_inc (kernel/jump_label.c:191)
[ 348.316937][ T4230] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 348.317071][ T4230] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 348.317175][ T4230] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 348.317319][ T4230] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 348.317455][ T4230] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 348.317588][ T4230] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 348.317719][ T4230] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 348.317858][ T4230] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 348.317991][ T4230] ? 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)
[ 348.318128][ T4230] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 348.318232][ T4230] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 348.318372][ T4230] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 348.318517][ T4230] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 348.318666][ T4230] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 348.318842][ T4230] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 348.318992][ T4230] ? 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)
[ 348.319144][ T4230] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 348.319290][ T4230] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 348.319441][ T4230] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 348.319594][ T4230] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 348.319742][ T4230] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 348.319892][ T4230] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 348.320049][ T4230] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 348.320202][ T4230] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 348.320387][ T4230] ___sys_sendmsg (net/socket.c:2624)
[ 348.320533][ T4230] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110)
[ 348.320714][ T4230] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 348.320864][ T4230] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070)
[ 348.321123][ T4230] ? __pfx_free_object_rcu (mm/kmemleak.c:514)
[ 348.321269][ T4230] ? 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)
[ 348.321432][ T4230] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 348.321693][ T4230] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715)
[ 348.321849][ T4230] ? do_sys_openat2 (fs/open.c:1405)
[ 348.322005][ T4230] ? do_sys_openat2 (fs/open.c:1411)
[ 348.322157][ T4230] ? do_sys_openat2 (fs/open.c:1411)
[ 348.322379][ T4230] __sys_sendmsg (net/socket.c:2654)
[ 348.322525][ T4230] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 348.322680][ T4230] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 348.322828][ T4230] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  348.323082][ T4230] RIP: 0033:0x7f4e0d7579a7
[ 348.323238][ T4230] Code: Unable to access opcode bytes at 0x7f4e0d75797d.

Code starting with the faulting instruction
===========================================
[  348.323426][ T4230] RSP: 002b:00007fff5e6d6a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  348.323722][ T4230] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007f4e0d7579a7
[  348.323943][ T4230] RDX: 0000000000000000 RSI: 00007fff5e6d6a90 RDI: 0000000000000005
[  348.324159][ T4230] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
[  348.324460][ T4230] R10: 00007f4e0d610708 R11: 0000000000000246 R12: 00007fff5e6db9b3


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