======================================
| [  838.663860][ T6319] 1 lock held by ip/6319:
| [ 838.663985][ T6319] #0: ffffffffb87dcac8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [  838.664280][ T6319]
| [  838.664280][ T6319] stack backtrace:
[  838.664732][ T6319] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  838.665084][ T6319] Call Trace:
[  838.665207][ T6319]  <TASK>
[ 838.665292][ T6319] dump_stack_lvl (lib/dump_stack.c:122) 
[ 838.665454][ T6319] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 838.665618][ T6319] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) 
[ 838.665784][ T6319] br_get_link_af_size_filtered (net/bridge/br_private.h:930 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) 
[ 838.665991][ T6319] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) 
[ 838.666146][ T6319] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 838.666344][ T6319] br_add_if (net/bridge/br_if.c:692) 
[ 838.666473][ T6319] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 838.666631][ T6319] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 838.666838][ T6319] do_setlink (net/core/rtnetlink.c:2907) 
[ 838.666992][ T6319] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 838.667146][ T6319] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 838.667306][ T6319] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 838.667457][ T6319] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 838.667620][ T6319] ? __kernel_text_address (kernel/extable.c:79) 
[ 838.667778][ T6319] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 838.667943][ T6319] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 838.668146][ T6319] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 838.668313][ T6319] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 838.668468][ T6319] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 838.668628][ T6319] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 838.668788][ T6319] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 838.668907][ T6319] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 838.669062][ T6319] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 838.669225][ T6319] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 838.669384][ T6319] ? 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) 
[ 838.669543][ T6319] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 838.669708][ T6319] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 838.669905][ T6319] ? __create_object (mm/kmemleak.c:751) 
[ 838.670062][ T6319] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 838.670223][ T6319] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 838.670339][ T6319] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 838.670496][ T6319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 838.670652][ T6319] ? 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) 
[ 838.670812][ T6319] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 838.670933][ T6319] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 838.671090][ T6319] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 838.671246][ T6319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 838.671400][ T6319] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 838.671568][ T6319] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 838.671721][ T6319] ? 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) 
[ 838.671875][ T6319] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 838.672038][ T6319] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 838.672192][ T6319] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 838.672351][ T6319] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 838.672509][ T6319] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 838.672665][ T6319] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 838.672970][ T6319] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 838.673134][ T6319] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 838.673295][ T6319] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 838.673542][ T6319] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 838.673737][ T6319] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 838.673993][ T6319] ___sys_sendmsg (net/socket.c:2653) 
[ 838.674151][ T6319] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 838.674396][ T6319] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 838.674642][ T6319] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 838.674794][ T6319] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 838.675072][ T6319] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 838.675322][ T6319] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 838.675578][ T6319] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 838.675770][ T6319] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 838.676020][ T6319] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 838.676179][ T6319] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 838.676333][ T6319] ? __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) 
[ 838.676508][ T6319] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 838.676667][ T6319] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  838.676968][ T6319] RIP: 0033:0x7fabadffb7b7
[ 838.677131][ T6319] 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)
[  838.677770][ T6319] RSP: 002b:00007ffc8ea3acb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  838.678009][ T6319] RAX: ffffffffffffffda RBX: 00007ffc8ea3b3e0 RCX: 00007fabadffb7b7
[  838.678245][ T6319] RDX: 0000000000000000 RSI: 00007ffc8ea3ad20 RDI: 0000000000000005
[  838.678571][ T6319] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  838.678803][ T6319] R10: 000000003853b910 R11: 0000000000000246 R12: 0000000000000004
[  838.679125][ T6319] R13: 0000000066beb078 R14: 0000000000496600 R15: 0000000000000000
| [  838.681838][ T6319] 1 lock held by ip/6319:
| [ 838.681960][ T6319] #0: ffffffffb87dcac8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [  838.682242][ T6319]
| [  838.682242][ T6319] stack backtrace:
[  838.682665][ T6319] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  838.683105][ T6319] Call Trace:
[  838.683223][ T6319]  <TASK>
[ 838.683307][ T6319] dump_stack_lvl (lib/dump_stack.c:122) 
[ 838.683470][ T6319] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 838.683626][ T6319] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) 
[ 838.683904][ T6319] br_get_link_af_size_filtered (net/bridge/br_private.h:453 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) 
[ 838.684105][ T6319] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) 
[ 838.684269][ T6319] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 838.684473][ T6319] br_add_if (net/bridge/br_if.c:692) 
[ 838.684594][ T6319] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 838.684750][ T6319] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 838.684954][ T6319] do_setlink (net/core/rtnetlink.c:2907) 
[ 838.685204][ T6319] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 838.685367][ T6319] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 838.685526][ T6319] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 838.685680][ T6319] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 838.685841][ T6319] ? __kernel_text_address (kernel/extable.c:79) 
[ 838.686085][ T6319] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 838.686245][ T6319] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 838.686529][ T6319] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 838.686701][ T6319] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 838.686862][ T6319] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 838.687013][ T6319] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 838.687172][ T6319] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 838.687292][ T6319] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 838.687449][ T6319] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 838.687707][ T6319] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 838.687878][ T6319] ? 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) 
[ 838.688046][ T6319] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 838.688217][ T6319] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 838.688514][ T6319] ? __create_object (mm/kmemleak.c:751) 
[ 838.688687][ T6319] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 838.688867][ T6319] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 838.688993][ T6319] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 838.689248][ T6319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 838.689407][ T6319] ? 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) 
[ 838.689559][ T6319] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 838.689679][ T6319] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 838.689835][ T6319] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 838.690075][ T6319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 838.690229][ T6319] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 838.690412][ T6319] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 838.690570][ T6319] ? 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) 
[ 838.690816][ T6319] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 838.690981][ T6319] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 838.691132][ T6319] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 838.691291][ T6319] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 838.691634][ T6319] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 838.691788][ T6319] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 838.691944][ T6319] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 838.692106][ T6319] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 838.692355][ T6319] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 838.692509][ T6319] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 838.692698][ T6319] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 838.692867][ T6319] ___sys_sendmsg (net/socket.c:2653) 
[ 838.693025][ T6319] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 838.693182][ T6319] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 838.693432][ T6319] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 838.693587][ T6319] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 838.693786][ T6319] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 838.693943][ T6319] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 838.694104][ T6319] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 838.694297][ T6319] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 838.694549][ T6319] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 838.694704][ T6319] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 838.694858][ T6319] ? __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) 
[ 838.695033][ T6319] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 838.695276][ T6319] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  838.695474][ T6319] RIP: 0033:0x7fabadffb7b7
[ 838.695637][ T6319] 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)
[  838.696276][ T6319] RSP: 002b:00007ffc8ea3acb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  838.696516][ T6319] RAX: ffffffffffffffda RBX: 00007ffc8ea3b3e0 RCX: 00007fabadffb7b7
[  838.696853][ T6319] RDX: 0000000000000000 RSI: 00007ffc8ea3ad20 RDI: 0000000000000005
[  838.697087][ T6319] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  838.697318][ T6319] R10: 000000003853b910 R11: 0000000000000246 R12: 0000000000000004
[  838.697554][ T6319] R13: 0000000066beb078 R14: 0000000000496600 R15: 0000000000000000
| [  838.699696][ T6319] 1 lock held by ip/6319:
| [ 838.699824][ T6319] #0: ffffffffb87dcac8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [  838.700195][ T6319]
| [  838.700195][ T6319] stack backtrace:
[  838.700701][ T6319] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  838.701040][ T6319] Call Trace:
[  838.701162][ T6319]  <TASK>
[ 838.701250][ T6319] dump_stack_lvl (lib/dump_stack.c:122) 
[ 838.701498][ T6319] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 838.701652][ T6319] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) 
[ 838.701922][ T6319] br_get_link_af_size_filtered (net/bridge/br_private.h:1611 net/bridge/br_private.h:1608 net/bridge/br_netlink.c:107) 
[ 838.702119][ T6319] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) 
[ 838.702275][ T6319] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 838.702469][ T6319] br_add_if (net/bridge/br_if.c:692) 
[ 838.702590][ T6319] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 838.702750][ T6319] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 838.702948][ T6319] do_setlink (net/core/rtnetlink.c:2907) 
[ 838.703117][ T6319] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 838.703271][ T6319] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 838.703426][ T6319] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 838.703579][ T6319] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 838.703735][ T6319] ? __kernel_text_address (kernel/extable.c:79) 
[ 838.703891][ T6319] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 838.704045][ T6319] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 838.704237][ T6319] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 838.704401][ T6319] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 838.704558][ T6319] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 838.704707][ T6319] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 838.704863][ T6319] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 838.704985][ T6319] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 838.705149][ T6319] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 838.705313][ T6319] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 838.705478][ T6319] ? 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) 
[ 838.705636][ T6319] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 838.705796][ T6319] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 838.705991][ T6319] ? __create_object (mm/kmemleak.c:751) 
[ 838.706148][ T6319] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 838.706311][ T6319] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 838.706433][ T6319] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 838.706588][ T6319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 838.706740][ T6319] ? 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) 
[ 838.706901][ T6319] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 838.707025][ T6319] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 838.707180][ T6319] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 838.707339][ T6319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 838.707495][ T6319] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 838.707666][ T6319] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 838.707822][ T6319] ? 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) 
[ 838.707975][ T6319] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 838.708134][ T6319] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 838.708292][ T6319] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 838.708450][ T6319] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 838.708606][ T6319] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 838.708762][ T6319] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 838.708926][ T6319] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 838.709088][ T6319] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 838.709244][ T6319] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 838.709395][ T6319] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 838.709586][ T6319] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 838.709747][ T6319] ___sys_sendmsg (net/socket.c:2653) 
[ 838.709913][ T6319] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 838.710071][ T6319] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 838.710232][ T6319] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 838.710386][ T6319] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 838.710578][ T6319] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 838.710733][ T6319] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 838.710894][ T6319] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 838.711085][ T6319] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 838.711253][ T6319] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 838.711407][ T6319] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 838.711567][ T6319] ? __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) 
[ 838.711740][ T6319] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 838.711896][ T6319] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  838.712083][ T6319] RIP: 0033:0x7fabadffb7b7
[ 838.712251][ T6319] 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)
[  838.712790][ T6319] RSP: 002b:00007ffc8ea3acb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  838.713026][ T6319] RAX: ffffffffffffffda RBX: 00007ffc8ea3b3e0 RCX: 00007fabadffb7b7
[  838.713252][ T6319] RDX: 0000000000000000 RSI: 00007ffc8ea3ad20 RDI: 0000000000000005
[  838.713489][ T6319] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  838.713718][ T6319] R10: 000000003853b910 R11: 0000000000000246 R12: 0000000000000004


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