======================================
| [   11.601551][  T266] RCU nest depth: 0, expected: 0
| [   11.601748][  T266] 2 locks held by tc/266:
| [ 11.601900][ T266] #0: ffffffff9fa09c08 (rtnl_mutex){+.+.}-{4:4}, at: tc_new_tfilter (net/sched/cls_api.c:2261)
| [ 11.602225][ T266] #1: ffff88800ddda510 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
[   11.602756][  T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.602981][  T266] Call Trace:
[   11.603107][  T266]  <TASK>
[ 11.603195][ T266] dump_stack_lvl (lib/dump_stack.c:123)
[ 11.603368][ T266] __might_resched (kernel/sched/core.c:8759)
[ 11.603534][ T266] ? tc_new_tfilter (net/sched/cls_api.c:2383)
[ 11.603703][ T266] cpus_read_lock (./include/linux/kernel.h:73 ./include/linux/percpu-rwsem.h:49 kernel/cpu.c:490)
[ 11.603865][ T266] static_key_slow_inc (kernel/jump_label.c:191)
[ 11.604027][ T266] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 11.604201][ T266] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 11.604332][ T266] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 11.604516][ T266] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 11.604685][ T266] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 11.604846][ T266] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 11.605009][ T266] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 11.605181][ T266] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 11.605340][ T266] ? 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)
[ 11.605509][ T266] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 11.605638][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 11.605804][ T266] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 11.605964][ T266] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 11.606129][ T266] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 11.606307][ T266] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 11.606471][ T266] ? 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)
[ 11.606649][ T266] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 11.606813][ T266] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 11.606974][ T266] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 11.607142][ T266] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 11.607315][ T266] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 11.607500][ T266] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 11.607666][ T266] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 11.607831][ T266] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 11.608043][ T266] ___sys_sendmsg (net/socket.c:2624)
[ 11.608207][ T266] ? 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)
[ 11.608371][ T266] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 11.608535][ T266] ? usage_skip (kernel/locking/lockdep.c:2314 kernel/locking/lockdep.c:2282)
[ 11.608704][ T266] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1340)
[ 11.608866][ T266] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1340)
[ 11.609039][ T266] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 11.609203][ T266] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 11.609369][ T266] __sys_sendmsg (net/socket.c:2654)
[ 11.609528][ T266] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 11.609698][ T266] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1340)
[ 11.609868][ T266] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 11.610040][ T266] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   11.610252][  T266] RIP: 0033:0x7f26d049f9a7
[ 11.610426][ T266] Code: Unable to access opcode bytes at 0x7f26d049f97d.

Code starting with the faulting instruction
===========================================
[   11.610634][  T266] RSP: 002b:00007ffd94f63568 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   11.610879][  T266] RAX: ffffffffffffffda RBX: 000000000047da00 RCX: 00007f26d049f9a7
[   11.611121][  T266] RDX: 0000000000000000 RSI: 00007ffd94f635d0 RDI: 0000000000000005
[   11.611371][  T266] RBP: 0000000000000300 R08: 0000000000000000 R09: 00306d6574656e5f
[   11.611605][  T266] R10: 00007f26d0358708 R11: 0000000000000246 R12: 0000000000000000
[   11.611841][  T266] R13: 0000000067859500 R14: 0000000000483b60 R15: 00007ffd94f689ae
| [ 11.613954][ T266] #1: ffff88800ddda510 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383)
| [ 11.614192][ T266] #2: ffffffff9eff1cd0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_inc (kernel/jump_label.c:191)
| [   11.614441][  T266] stack backtrace:
| [   11.614775][  T266] Tainted: [W]=WARN
[   11.614876][  T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.615042][  T266] Call Trace:
[   11.615145][  T266]  <TASK>
[ 11.615214][ T266] dump_stack_lvl (lib/dump_stack.c:123)
[ 11.615352][ T266] __lock_acquire (kernel/locking/lockdep.c:4828 kernel/locking/lockdep.c:4898 kernel/locking/lockdep.c:5176)
[ 11.615490][ T266] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 11.615623][ T266] ? 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)
[ 11.615790][ T266] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 11.615923][ T266] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 11.616055][ T266] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 11.616186][ T266] ? 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)
[ 11.616353][ T266] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:735)
[ 11.616486][ T266] ? 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)
[ 11.616652][ T266] ? 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)
[ 11.616815][ T266] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 11.616948][ T266] ? static_key_slow_inc (kernel/jump_label.c:191)
[ 11.617079][ T266] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 11.617210][ T266] ? 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))
[ 11.617375][ T266] ? __pfx_static_key_fast_inc_not_disabled (kernel/jump_label.c:128)
[ 11.617540][ T266] ? 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)
[ 11.617702][ T266] 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)
[ 11.617866][ T266] static_key_slow_inc (kernel/jump_label.c:191)
[ 11.617996][ T266] tc_new_tfilter (net/sched/cls_api.c:2385)
[ 11.618131][ T266] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 11.618232][ T266] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 11.618373][ T266] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 11.618505][ T266] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912)
[ 11.618639][ T266] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186)
[ 11.618772][ T266] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914)
[ 11.618904][ T266] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 11.619036][ T266] ? 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)
[ 11.619171][ T266] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 11.619272][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 11.619404][ T266] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 11.619537][ T266] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817)
[ 11.619670][ T266] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 11.619806][ T266] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 11.619937][ T266] ? 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)
[ 11.620083][ T266] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 11.620215][ T266] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 11.620347][ T266] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 11.620479][ T266] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 11.620614][ T266] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 11.620751][ T266] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568)
[ 11.620884][ T266] ? __pfx_____sys_sendmsg (net/socket.c:2514)
[ 11.621015][ T266] ? __pfx_copy_msghdr_from_user (net/socket.c:2494)
[ 11.621187][ T266] ___sys_sendmsg (net/socket.c:2624)
[ 11.621320][ T266] ? 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)
[ 11.621451][ T266] ? __pfx____sys_sendmsg (net/socket.c:2611)
[ 11.621584][ T266] ? usage_skip (kernel/locking/lockdep.c:2314 kernel/locking/lockdep.c:2282)
[ 11.621719][ T266] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1340)
[ 11.621853][ T266] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1340)
[ 11.621985][ T266] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 11.622121][ T266] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 11.622257][ T266] __sys_sendmsg (net/socket.c:2654)
[ 11.622388][ T266] ? __pfx___sys_sendmsg (net/socket.c:2639)
[ 11.622521][ T266] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1340)
[ 11.622655][ T266] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 11.622788][ T266] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   11.622953][  T266] RIP: 0033:0x7f26d049f9a7
[ 11.623096][ T266] Code: Unable to access opcode bytes at 0x7f26d049f97d.

Code starting with the faulting instruction
===========================================
[   11.623268][  T266] RSP: 002b:00007ffd94f63568 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   11.623471][  T266] RAX: ffffffffffffffda RBX: 000000000047da00 RCX: 00007f26d049f9a7
[   11.623667][  T266] RDX: 0000000000000000 RSI: 00007ffd94f635d0 RDI: 0000000000000005
[   11.623865][  T266] RBP: 0000000000000300 R08: 0000000000000000 R09: 00306d6574656e5f
[   11.624068][  T266] R10: 00007f26d0358708 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