======================================
| [   85.175341][  T509] 1 lock held by ip/509:
| [ 85.175484][ T509] #0: ffffffffba9bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   85.175841][  T509]
| [   85.175841][  T509] stack backtrace:
[   85.176328][  T509] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   85.176717][  T509] Call Trace:
[   85.176856][  T509]  <TASK>
[ 85.176952][ T509] dump_stack_lvl (lib/dump_stack.c:122) 
[ 85.177147][ T509] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 85.177330][ T509] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 85.177623][ T509] br_get_link_af_size_filtered (net/bridge/br_private.h:930 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) bridge
[ 85.177879][ T509] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 85.178092][ T509] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 85.178317][ T509] br_add_if (net/bridge/br_if.c:692) bridge
[ 85.178526][ T509] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 85.178712][ T509] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 85.178940][ T509] do_setlink (net/core/rtnetlink.c:2907) 
[ 85.179123][ T509] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 85.179306][ T509] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 85.179483][ T509] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 85.179665][ T509] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 85.179846][ T509] ? __kernel_text_address (kernel/extable.c:79) 
[ 85.180025][ T509] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 85.180205][ T509] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 85.180432][ T509] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 85.180624][ T509] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 85.180805][ T509] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 85.180980][ T509] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 85.181165][ T509] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 85.181302][ T509] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 85.181490][ T509] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 85.181677][ T509] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 85.181868][ T509] ? 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:227) 
[ 85.182051][ T509] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 85.182237][ T509] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 85.182457][ T509] ? __create_object (mm/kmemleak.c:751) 
[ 85.182648][ T509] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 85.182842][ T509] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 85.182980][ T509] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 85.183168][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 85.183346][ T509] ? 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:227) 
[ 85.183526][ T509] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 85.183667][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 85.183851][ T509] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 85.184028][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 85.184206][ T509] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 85.184404][ T509] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 85.184587][ T509] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 85.184766][ T509] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 85.184955][ T509] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 85.185132][ T509] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 85.185318][ T509] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 85.185499][ T509] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 85.185673][ T509] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 85.185858][ T509] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 85.186043][ T509] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 85.186233][ T509] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 85.186406][ T509] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 85.186625][ T509] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 85.186815][ T509] ___sys_sendmsg (net/socket.c:2653) 
[ 85.186999][ T509] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 85.187179][ T509] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 85.187364][ T509] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 85.187537][ T509] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 85.187761][ T509] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 85.187939][ T509] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 85.188122][ T509] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 85.188341][ T509] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 85.188528][ T509] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 85.188705][ T509] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 85.188879][ T509] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65) 
[ 85.189078][ T509] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 85.189260][ T509] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   85.189480][  T509] RIP: 0033:0x7fd87b3e17b7
[ 85.189669][ T509] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   85.190283][  T509] RSP: 002b:00007ffed52e2c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   85.190559][  T509] RAX: ffffffffffffffda RBX: 00007ffed52e3390 RCX: 00007fd87b3e17b7
[   85.190823][  T509] RDX: 0000000000000000 RSI: 00007ffed52e2cd0 RDI: 0000000000000005
[   85.191088][  T509] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   85.191352][  T509] R10: 0000000028b25910 R11: 0000000000000246 R12: 0000000000000003
[   85.191613][  T509] R13: 0000000066bea527 R14: 0000000000496600 R15: 0000000000000000
| [   85.193921][  T509] 1 lock held by ip/509:
| [ 85.194049][ T509] #0: ffffffffba9bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   85.194360][  T509]
| [   85.194360][  T509] stack backtrace:
[   85.194827][  T509] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   85.195192][  T509] Call Trace:
[   85.195327][  T509]  <TASK>
[ 85.195416][ T509] dump_stack_lvl (lib/dump_stack.c:122) 
[ 85.195593][ T509] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 85.195757][ T509] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 85.196011][ T509] br_get_link_af_size_filtered (net/bridge/br_private.h:453 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) bridge
[ 85.196254][ T509] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 85.196449][ T509] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 85.196661][ T509] br_add_if (net/bridge/br_if.c:692) bridge
[ 85.196859][ T509] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 85.197027][ T509] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 85.197238][ T509] do_setlink (net/core/rtnetlink.c:2907) 
[ 85.197416][ T509] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 85.197589][ T509] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 85.197755][ T509] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 85.197920][ T509] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 85.198093][ T509] ? __kernel_text_address (kernel/extable.c:79) 
[ 85.198260][ T509] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 85.198424][ T509] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 85.198628][ T509] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 85.198811][ T509] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 85.198979][ T509] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 85.199146][ T509] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 85.199313][ T509] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 85.199443][ T509] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 85.199618][ T509] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 85.199788][ T509] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 85.199959][ T509] ? 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:227) 
[ 85.200130][ T509] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 85.200303][ T509] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 85.200510][ T509] ? __create_object (mm/kmemleak.c:751) 
[ 85.200677][ T509] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 85.200850][ T509] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 85.200977][ T509] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 85.201145][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 85.201308][ T509] ? 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:227) 
[ 85.201472][ T509] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 85.201605][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 85.201775][ T509] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 85.201939][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 85.202108][ T509] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 85.202288][ T509] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 85.202457][ T509] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 85.202635][ T509] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 85.202807][ T509] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 85.202979][ T509] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 85.203148][ T509] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 85.203318][ T509] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 85.203483][ T509] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 85.203657][ T509] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 85.203834][ T509] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 85.204005][ T509] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 85.204169][ T509] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 85.204381][ T509] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 85.204561][ T509] ___sys_sendmsg (net/socket.c:2653) 
[ 85.204733][ T509] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 85.204899][ T509] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 85.205068][ T509] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 85.205231][ T509] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 85.205437][ T509] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 85.205604][ T509] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 85.205791][ T509] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 85.205997][ T509] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 85.206170][ T509] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 85.206335][ T509] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 85.206499][ T509] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65) 
[ 85.206693][ T509] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 85.206868][ T509] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   85.207083][  T509] RIP: 0033:0x7fd87b3e17b7
[ 85.207257][ T509] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   85.207828][  T509] RSP: 002b:00007ffed52e2c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   85.208077][  T509] RAX: ffffffffffffffda RBX: 00007ffed52e3390 RCX: 00007fd87b3e17b7
[   85.208332][  T509] RDX: 0000000000000000 RSI: 00007ffed52e2cd0 RDI: 0000000000000005
[   85.208585][  T509] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   85.208829][  T509] R10: 0000000028b25910 R11: 0000000000000246 R12: 0000000000000003
[   85.209074][  T509] R13: 0000000066bea527 R14: 0000000000496600 R15: 0000000000000000
| [   85.211361][  T509] 1 lock held by ip/509:
| [ 85.211583][ T509] #0: ffffffffba9bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   85.211880][  T509]
| [   85.211880][  T509] stack backtrace:
[   85.212437][  T509] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   85.212809][  T509] Call Trace:
[   85.212939][  T509]  <TASK>
[ 85.213030][ T509] dump_stack_lvl (lib/dump_stack.c:122) 
[ 85.213206][ T509] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 85.213371][ T509] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 85.213617][ T509] br_get_link_af_size_filtered (net/bridge/br_private.h:1611 net/bridge/br_private.h:1608 net/bridge/br_netlink.c:107) bridge
[ 85.213954][ T509] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 85.214154][ T509] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 85.214368][ T509] br_add_if (net/bridge/br_if.c:692) bridge
[ 85.214564][ T509] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 85.214827][ T509] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 85.215040][ T509] do_setlink (net/core/rtnetlink.c:2907) 
[ 85.215205][ T509] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 85.215375][ T509] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 85.215655][ T509] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 85.215836][ T509] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 85.216006][ T509] ? __kernel_text_address (kernel/extable.c:79) 
[ 85.216171][ T509] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 85.216336][ T509] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 85.216634][ T509] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 85.216811][ T509] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 85.216977][ T509] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 85.217145][ T509] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 85.217408][ T509] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 85.217537][ T509] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 85.217705][ T509] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 85.217875][ T509] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 85.218143][ T509] ? 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:227) 
[ 85.218309][ T509] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 85.218478][ T509] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 85.218686][ T509] ? __create_object (mm/kmemleak.c:751) 
[ 85.218947][ T509] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 85.219118][ T509] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 85.219244][ T509] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 85.219409][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 85.219572][ T509] ? 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:227) 
[ 85.219831][ T509] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 85.219961][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 85.220129][ T509] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 85.220297][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 85.220565][ T509] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 85.220749][ T509] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 85.220915][ T509] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 85.221082][ T509] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 85.221459][ T509] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 85.221624][ T509] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 85.221795][ T509] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 85.221967][ T509] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 85.222131][ T509] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 85.222298][ T509] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 85.222469][ T509] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 85.222647][ T509] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 85.222811][ T509] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 85.223018][ T509] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 85.223196][ T509] ___sys_sendmsg (net/socket.c:2653) 
[ 85.223373][ T509] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 85.223540][ T509] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 85.223803][ T509] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 85.223969][ T509] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 85.224176][ T509] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 85.224343][ T509] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 85.224611][ T509] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 85.224818][ T509] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 85.224996][ T509] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 85.225158][ T509] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 85.225430][ T509] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65) 
[ 85.225615][ T509] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 85.225785][ T509] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   85.225987][  T509] RIP: 0033:0x7fd87b3e17b7
[ 85.226162][ T509] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   85.226738][  T509] RSP: 002b:00007ffed52e2c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   85.226987][  T509] RAX: ffffffffffffffda RBX: 00007ffed52e3390 RCX: 00007fd87b3e17b7
[   85.227230][  T509] RDX: 0000000000000000 RSI: 00007ffed52e2cd0 RDI: 0000000000000005
[   85.227577][  T509] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   85.227825][  T509] R10: 0000000028b25910 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink