======================================
| [   11.918167][  T279] RCU nest depth: 0, expected: 0
| [   11.918478][  T279] 2 locks held by tc/279:
| [ 11.918704][ T279] #0: ffffffffb1e09c08 (rtnl_mutex){+.+.}-{4:4}, at: tc_new_tfilter (net/sched/cls_api.c:2261)
| [ 11.919258][ T279] #1: ffff8880150a2e10 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
[   11.920197][  T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.920536][  T279] Call Trace:
[   11.920759][  T279]  <TASK>
[ 11.920923][ T279] dump_stack_lvl (lib/dump_stack.c:123)
[ 11.921211][ T279] __might_resched (kernel/sched/core.c:8759)
[ 11.921497][ T279] ? tc_new_tfilter (net/sched/cls_api.c:2383)
[ 11.921792][ T279] cpus_read_lock (./include/linux/kernel.h:73 ./include/linux/percpu-rwsem.h:49 kernel/cpu.c:490)
[ 11.922070][ T279] static_key_slow_inc (kernel/jump_label.c:191)
[ 11.922350][ T279] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 11.922657][ T279] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 11.923032][ T279] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 11.923381][ T279] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 11.923683][ T279] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 11.923964][ T279] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 11.924212][ T279] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 11.924392][ T279] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 11.924567][ T279] ? 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)
[ 11.924740][ T279] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 11.924888][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 11.925073][ T279] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 11.925248][ T279] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 11.925426][ T279] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 11.925620][ T279] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 11.925799][ T279] ? 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)
[ 11.925984][ T279] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 11.926169][ T279] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 11.926345][ T279] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 11.926527][ T279] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 11.926704][ T279] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 11.926893][ T279] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 11.927080][ T279] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 11.927257][ T279] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 11.927491][ T279] ___sys_sendmsg (net/socket.c:2624)
[ 11.927667][ T279] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110)
[ 11.927888][ T279] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 11.928068][ T279] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070)
[ 11.928280][ T279] ? __pfx_free_object_rcu (mm/kmemleak.c:514)
[ 11.928454][ T279] ? 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)
[ 11.928637][ T279] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 11.928861][ T279] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715)
[ 11.929090][ T279] ? do_sys_openat2 (fs/open.c:1405)
[ 11.929379][ T279] ? do_sys_openat2 (fs/open.c:1411)
[ 11.929667][ T279] ? do_sys_openat2 (fs/open.c:1411)
[ 11.929850][ T279] __sys_sendmsg (net/socket.c:2654)
[ 11.930026][ T279] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 11.930220][ T279] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 11.930402][ T279] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   11.930618][  T279] RIP: 0033:0x7fa10342c9a7
[ 11.930801][ T279] Code: Unable to access opcode bytes at 0x7fa10342c97d.

Code starting with the faulting instruction
===========================================
[   11.931044][  T279] RSP: 002b:00007ffd6fda1068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   11.931304][  T279] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007fa10342c9a7
[   11.931567][  T279] RDX: 0000000000000000 RSI: 00007ffd6fda10d0 RDI: 0000000000000005
[   11.931832][  T279] RBP: 0000000000000300 R08: 0000000000000000 R09: 0000000000000000
[   11.932119][  T279] R10: 00007fa1032e5708 R11: 0000000000000246 R12: 00007ffd6fda5984
[   11.932381][  T279] R13: 000000006785964e R14: 0000000000483b60 R15: 00007ffd6fda5992
| [ 11.935313][ T279] #1: ffff8880150a2e10 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
| [ 11.935572][ T279] #2: ffffffffb13f1cd0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_inc (kernel/jump_label.c:191)
| [   11.935835][  T279] stack backtrace:
| [   11.936203][  T279] Tainted: [W]=WARN
[   11.936319][  T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.936501][  T279] Call Trace:
[   11.936611][  T279]  <TASK>
[ 11.936690][ T279] dump_stack_lvl (lib/dump_stack.c:123)
[ 11.936842][ T279] __lock_acquire (kernel/locking/lockdep.c:4828 kernel/locking/lockdep.c:4898 kernel/locking/lockdep.c:5176)
[ 11.937002][ T279] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 11.937163][ T279] ? 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)
[ 11.937349][ T279] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 11.937494][ T279] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 11.937642][ T279] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 11.937793][ T279] ? 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)
[ 11.937975][ T279] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:735)
[ 11.938123][ T279] ? 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)
[ 11.938320][ T279] ? 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)
[ 11.938502][ T279] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 11.938648][ T279] ? static_key_slow_inc (kernel/jump_label.c:191)
[ 11.938797][ T279] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 11.938947][ T279] ? 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))
[ 11.939135][ T279] ? __pfx_static_key_fast_inc_not_disabled (kernel/jump_label.c:128)
[ 11.939323][ T279] ? 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)
[ 11.939510][ T279] 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)
[ 11.939692][ T279] static_key_slow_inc (kernel/jump_label.c:191)
[ 11.939840][ T279] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 11.939999][ T279] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 11.940114][ T279] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 11.940270][ T279] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 11.940420][ T279] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 11.940566][ T279] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 11.940712][ T279] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 11.940860][ T279] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 11.941014][ T279] ? 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)
[ 11.941160][ T279] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 11.941274][ T279] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 11.941421][ T279] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 11.941569][ T279] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 11.941718][ T279] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 11.941873][ T279] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 11.942029][ T279] ? 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)
[ 11.942183][ T279] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 11.942328][ T279] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 11.942476][ T279] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 11.942636][ T279] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 11.942781][ T279] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 11.942930][ T279] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 11.943080][ T279] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 11.943233][ T279] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 11.943416][ T279] ___sys_sendmsg (net/socket.c:2624)
[ 11.943563][ T279] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110)
[ 11.943744][ T279] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 11.943890][ T279] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070)
[ 11.944074][ T279] ? __pfx_free_object_rcu (mm/kmemleak.c:514)
[ 11.944236][ T279] ? 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)
[ 11.944385][ T279] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 11.944568][ T279] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715)
[ 11.944713][ T279] ? do_sys_openat2 (fs/open.c:1405)
[ 11.944859][ T279] ? do_sys_openat2 (fs/open.c:1411)
[ 11.945038][ T279] ? do_sys_openat2 (fs/open.c:1411)
[ 11.945258][ T279] __sys_sendmsg (net/socket.c:2654)
[ 11.945403][ T279] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 11.945555][ T279] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 11.945702][ T279] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   11.945884][  T279] RIP: 0033:0x7fa10342c9a7
[ 11.946045][ T279] Code: Unable to access opcode bytes at 0x7fa10342c97d.

Code starting with the faulting instruction
===========================================
[   11.946236][  T279] RSP: 002b:00007ffd6fda1068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   11.946457][  T279] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007fa10342c9a7
[   11.946680][  T279] RDX: 0000000000000000 RSI: 00007ffd6fda10d0 RDI: 0000000000000005
[   11.946896][  T279] RBP: 0000000000000300 R08: 0000000000000000 R09: 0000000000000000
[   11.947115][  T279] R10: 00007fa1032e5708 R11: 0000000000000246 R12: 00007ffd6fda5984


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