======================================
| [   15.455169][  T375] RCU nest depth: 0, expected: 0
| [   15.455368][  T375] 2 locks held by tc/375:
| [ 15.455507][ T375] #0: ffffffffb99e7e88 (rtnl_mutex){+.+.}-{4:4}, at: tc_new_tfilter (net/sched/cls_api.c:2261)
| [ 15.455823][ T375] #1: ffff88800c564e10 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
[   15.456409][  T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.456611][  T375] Call Trace:
[   15.456737][  T375]  <TASK>
[ 15.456828][ T375] dump_stack_lvl (lib/dump_stack.c:123)
[ 15.456998][ T375] __might_resched (kernel/sched/core.c:8759)
[ 15.457160][ T375] ? tc_new_tfilter (net/sched/cls_api.c:2383)
[ 15.457339][ T375] cpus_read_lock (./include/linux/kernel.h:73 ./include/linux/percpu-rwsem.h:49 kernel/cpu.c:490)
[ 15.457509][ T375] static_key_slow_inc (kernel/jump_label.c:191)
[ 15.457671][ T375] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 15.457843][ T375] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 15.457969][ T375] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 15.458154][ T375] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 15.458323][ T375] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 15.458490][ T375] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 15.458657][ T375] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 15.458828][ T375] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 15.458999][ 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)
[ 15.459159][ T375] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 15.459289][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 15.459454][ T375] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 15.459615][ T375] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 15.459778][ T375] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 15.459963][ T375] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 15.460127][ 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)
[ 15.460294][ T375] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 15.460467][ T375] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 15.460631][ T375] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 15.460798][ T375] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 15.460962][ T375] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 15.461137][ T375] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 15.461303][ T375] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 15.461463][ T375] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 15.461676][ T375] ___sys_sendmsg (net/socket.c:2624)
[ 15.461834][ T375] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110)
[ 15.462035][ T375] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 15.462201][ T375] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070)
[ 15.462398][ T375] ? __pfx_free_object_rcu (mm/kmemleak.c:514)
[ 15.462560][ 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)
[ 15.462730][ T375] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 15.462934][ T375] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715)
[ 15.463093][ T375] ? do_sys_openat2 (fs/open.c:1405)
[ 15.463253][ T375] ? do_sys_openat2 (fs/open.c:1411)
[ 15.463420][ T375] ? do_sys_openat2 (fs/open.c:1411)
[ 15.463587][ T375] __sys_sendmsg (net/socket.c:2654)
[ 15.463747][ T375] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 15.463930][ T375] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 15.464093][ T375] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   15.464292][  T375] RIP: 0033:0x7fa37760e9a7
[ 15.464474][ T375] Code: Unable to access opcode bytes at 0x7fa37760e97d.

Code starting with the faulting instruction
===========================================
[   15.464685][  T375] RSP: 002b:00007ffd93604d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   15.464929][  T375] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007fa37760e9a7
[   15.465175][  T375] RDX: 0000000000000000 RSI: 00007ffd93604d90 RDI: 0000000000000005
[   15.465421][  T375] RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000
[   15.465659][  T375] R10: 00007fa3774c7708 R11: 0000000000000246 R12: 0000000000000000
[   15.465911][  T375] R13: 00000000678588fd R14: 0000000000483b60 R15: 00007ffd9360998f
| [ 15.468047][ T375] #1: ffff88800c564e10 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
| [ 15.468283][ T375] #2: ffffffffb8fddcd0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_inc (kernel/jump_label.c:191)
| [   15.468518][  T375] stack backtrace:
| [   15.468855][  T375] Tainted: [W]=WARN
[   15.468955][  T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.469117][  T375] Call Trace:
[   15.469222][  T375]  <TASK>
[ 15.469292][ T375] dump_stack_lvl (lib/dump_stack.c:123)
[ 15.469429][ T375] __lock_acquire (kernel/locking/lockdep.c:4828 kernel/locking/lockdep.c:4898 kernel/locking/lockdep.c:5176)
[ 15.469563][ T375] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 15.469693][ 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)
[ 15.469870][ T375] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 15.470004][ T375] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 15.470136][ T375] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 15.470285][ 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)
[ 15.470460][ T375] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:735)
[ 15.470592][ 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)
[ 15.470757][ 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)
[ 15.470924][ T375] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 15.471056][ T375] ? static_key_slow_inc (kernel/jump_label.c:191)
[ 15.471189][ T375] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 15.471322][ 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))
[ 15.471489][ T375] ? __pfx_static_key_fast_inc_not_disabled (kernel/jump_label.c:128)
[ 15.471655][ 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)
[ 15.471821][ 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)
[ 15.471986][ T375] static_key_slow_inc (kernel/jump_label.c:191)
[ 15.472118][ T375] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 15.472252][ T375] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 15.472356][ T375] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 15.472497][ T375] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 15.472639][ T375] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 15.472774][ T375] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 15.472908][ T375] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 15.473042][ T375] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 15.473174][ 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)
[ 15.473307][ T375] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 15.473409][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 15.473543][ T375] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 15.473679][ T375] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 15.473811][ T375] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 15.473947][ T375] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 15.474087][ 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)
[ 15.474223][ T375] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 15.474358][ T375] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 15.474489][ T375] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 15.474625][ T375] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 15.474759][ T375] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 15.474895][ T375] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 15.475028][ T375] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 15.475161][ T375] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 15.475329][ T375] ___sys_sendmsg (net/socket.c:2624)
[ 15.475460][ T375] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110)
[ 15.475628][ T375] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 15.475763][ T375] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070)
[ 15.475925][ T375] ? __pfx_free_object_rcu (mm/kmemleak.c:514)
[ 15.476056][ 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)
[ 15.476192][ T375] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 15.476358][ T375] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715)
[ 15.476491][ T375] ? do_sys_openat2 (fs/open.c:1405)
[ 15.476623][ T375] ? do_sys_openat2 (fs/open.c:1411)
[ 15.476755][ T375] ? do_sys_openat2 (fs/open.c:1411)
[ 15.476886][ T375] __sys_sendmsg (net/socket.c:2654)
[ 15.477017][ T375] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 15.477153][ T375] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 15.477284][ T375] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   15.477462][  T375] RIP: 0033:0x7fa37760e9a7
[ 15.477668][ T375] Code: Unable to access opcode bytes at 0x7fa37760e97d.

Code starting with the faulting instruction
===========================================
[   15.477941][  T375] RSP: 002b:00007ffd93604d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   15.478275][  T375] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007fa37760e9a7
[   15.478597][  T375] RDX: 0000000000000000 RSI: 00007ffd93604d90 RDI: 0000000000000005
[   15.478922][  T375] RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000
[   15.479243][  T375] R10: 00007fa3774c7708 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