======================================
| [   44.847029][  T355] 1 lock held by ip/355:
| [ 44.847191][ T355] #0: ffffffff8ffbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   44.847594][  T355]
| [   44.847594][  T355] stack backtrace:
[   44.848165][  T355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   44.848617][  T355] Call Trace:
[   44.848781][  T355]  <TASK>
[ 44.848880][ T355] dump_stack_lvl (lib/dump_stack.c:122) 
[ 44.849089][ T355] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 44.849288][ T355] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 44.849622][ T355] 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
[ 44.849916][ T355] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 44.850145][ T355] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 44.850392][ T355] br_add_if (net/bridge/br_if.c:692) bridge
[ 44.850645][ T355] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 44.850839][ T355] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 44.851074][ T355] do_setlink (net/core/rtnetlink.c:2907) 
[ 44.851270][ T355] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 44.851462][ T355] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 44.851686][ T355] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 44.851896][ T355] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.852112][ T355] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.852298][ T355] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 44.852515][ T355] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 44.852774][ T355] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 44.852978][ T355] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 44.853175][ T355] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 44.853365][ T355] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 44.853591][ T355] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 44.853746][ T355] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 44.853959][ T355] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 44.854165][ T355] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 44.854370][ T355] ? 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) 
[ 44.854590][ T355] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 44.854791][ T355] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 44.855057][ T355] ? __create_object (mm/kmemleak.c:751) 
[ 44.855257][ T355] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 44.855452][ T355] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 44.855611][ T355] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 44.855799][ T355] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 44.855987][ T355] ? 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) 
[ 44.856173][ T355] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 44.856324][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 44.856541][ T355] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 44.856736][ T355] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 44.856938][ T355] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 44.857140][ T355] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 44.857344][ T355] ? 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) 
[ 44.857560][ T355] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 44.857756][ T355] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 44.857970][ T355] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 44.858189][ T355] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 44.858387][ T355] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 44.858601][ T355] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 44.858794][ T355] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 44.859008][ T355] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 44.859203][ T355] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 44.859411][ T355] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 44.859669][ T355] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 44.859887][ T355] ___sys_sendmsg (net/socket.c:2653) 
[ 44.860080][ T355] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 44.860271][ T355] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 44.860465][ T355] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 44.860659][ T355] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 44.860903][ T355] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 44.861100][ T355] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 44.861303][ T355] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 44.861564][ T355] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 44.861996][ T355] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 44.862194][ T355] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 44.862383][ T355] ? __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) 
[ 44.862605][ T355] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.862831][ T355] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.863079][  T355] RIP: 0033:0x7f290f8567b7
[ 44.863275][ T355] 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)
[   44.863947][  T355] RSP: 002b:00007fff67059338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.864237][  T355] RAX: ffffffffffffffda RBX: 00007fff67059a60 RCX: 00007f290f8567b7
[   44.864529][  T355] RDX: 0000000000000000 RSI: 00007fff670593a0 RDI: 0000000000000005
[   44.864804][  T355] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   44.865080][  T355] R10: 000000000c50c910 R11: 0000000000000246 R12: 0000000000000004
[   44.865376][  T355] R13: 0000000066be9ad7 R14: 0000000000496600 R15: 0000000000000000
| [   44.867661][  T355] 1 lock held by ip/355:
| [ 44.867810][ T355] #0: ffffffff8ffbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   44.868185][  T355]
| [   44.868185][  T355] stack backtrace:
[   44.868740][  T355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   44.869162][  T355] Call Trace:
[   44.869307][  T355]  <TASK>
[ 44.869415][ T355] dump_stack_lvl (lib/dump_stack.c:122) 
[ 44.869616][ T355] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 44.869819][ T355] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 44.870094][ T355] 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
[ 44.870376][ T355] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 44.870622][ T355] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 44.870881][ T355] br_add_if (net/bridge/br_if.c:692) bridge
[ 44.871111][ T355] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 44.871321][ T355] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 44.871593][ T355] do_setlink (net/core/rtnetlink.c:2907) 
[ 44.871804][ T355] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 44.872010][ T355] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 44.872223][ T355] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 44.872637][ T355] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.872838][ T355] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.873040][ T355] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 44.873433][ T355] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 44.873706][ T355] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 44.873936][ T355] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 44.874124][ T355] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 44.874412][ T355] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 44.874616][ T355] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 44.874767][ T355] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 44.875063][ T355] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 44.875254][ T355] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 44.875455][ T355] ? 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) 
[ 44.875655][ T355] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 44.875848][ T355] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 44.876080][ T355] ? __create_object (mm/kmemleak.c:751) 
[ 44.876369][ T355] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 44.876579][ T355] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 44.876721][ T355] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 44.876909][ T355] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 44.877215][ T355] ? 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) 
[ 44.877417][ T355] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 44.877574][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 44.877761][ T355] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 44.877950][ T355] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 44.878256][ T355] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 44.878463][ T355] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 44.878668][ T355] ? 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) 
[ 44.878852][ T355] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 44.879146][ T355] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 44.879330][ T355] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 44.879529][ T355] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 44.879723][ T355] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 44.880007][ T355] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 44.880228][ T355] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 44.880419][ T355] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 44.880618][ T355] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 44.880801][ T355] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 44.881153][ T355] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 44.881349][ T355] ___sys_sendmsg (net/socket.c:2653) 
[ 44.881545][ T355] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 44.881743][ T355] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 44.881931][ T355] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 44.882231][ T355] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 44.882464][ T355] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 44.882659][ T355] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 44.882859][ T355] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 44.883093][ T355] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 44.883285][ T355] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 44.883474][ T355] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 44.883832][ T355] ? __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) 
[ 44.884040][ T355] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.884224][ T355] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.884449][  T355] RIP: 0033:0x7f290f8567b7
[ 44.884654][ T355] 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)
[   44.885425][  T355] RSP: 002b:00007fff67059338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.885715][  T355] RAX: ffffffffffffffda RBX: 00007fff67059a60 RCX: 00007f290f8567b7
[   44.886013][  T355] RDX: 0000000000000000 RSI: 00007fff670593a0 RDI: 0000000000000005
[   44.886291][  T355] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   44.886743][  T355] R10: 000000000c50c910 R11: 0000000000000246 R12: 0000000000000004
[   44.887023][  T355] R13: 0000000066be9ad7 R14: 0000000000496600 R15: 0000000000000000
| [   44.889598][  T355] 1 lock held by ip/355:
| [ 44.889759][ T355] #0: ffffffff8ffbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   44.890715][  T355]
| [   44.890715][  T355] stack backtrace:
[   44.891241][  T355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   44.891697][  T355] Call Trace:
[   44.891866][  T355]  <TASK>
[ 44.892080][ T355] dump_stack_lvl (lib/dump_stack.c:122) 
[ 44.892290][ T355] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 44.892498][ T355] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 44.892950][ T355] 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
[ 44.893276][ T355] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 44.893494][ T355] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 44.893981][ T355] br_add_if (net/bridge/br_if.c:692) bridge
[ 44.894234][ T355] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 44.894468][ T355] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 44.894732][ T355] do_setlink (net/core/rtnetlink.c:2907) 
[ 44.895102][ T355] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 44.895315][ T355] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 44.895516][ T355] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 44.895708][ T355] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 44.896020][ T355] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.896216][ T355] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 44.896415][ T355] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 44.896750][ T355] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 44.896952][ T355] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 44.897160][ T355] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 44.897381][ T355] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 44.897586][ T355] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 44.897853][ T355] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 44.898058][ T355] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 44.898261][ T355] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 44.898477][ T355] ? 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) 
[ 44.898676][ T355] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 44.898993][ T355] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 44.899239][ T355] ? __create_object (mm/kmemleak.c:751) 
[ 44.899448][ T355] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 44.899655][ T355] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 44.899925][ T355] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 44.900140][ T355] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 44.900353][ T355] ? 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) 
[ 44.900567][ T355] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 44.900717][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 44.900906][ T355] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 44.901103][ T355] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 44.901294][ T355] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 44.901507][ T355] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 44.901895][ T355] ? 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) 
[ 44.902099][ T355] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 44.902299][ T355] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 44.902491][ T355] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 44.902707][ T355] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 44.902917][ T355] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 44.903128][ T355] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 44.903325][ T355] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 44.903540][ T355] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 44.903738][ T355] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 44.903939][ T355] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 44.904174][ T355] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 44.904389][ T355] ___sys_sendmsg (net/socket.c:2653) 
[ 44.904597][ T355] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 44.904805][ T355] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 44.905010][ T355] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 44.905389][ T355] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 44.905635][ T355] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 44.905832][ T355] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 44.906028][ T355] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 44.906384][ T355] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 44.906616][ T355] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 44.906804][ T355] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 44.906989][ T355] ? __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) 
[ 44.907297][ T355] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 44.907506][ T355] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.907764][  T355] RIP: 0033:0x7f290f8567b7
[ 44.907980][ T355] 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)
[   44.908832][  T355] RSP: 002b:00007fff67059338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.909174][  T355] RAX: ffffffffffffffda RBX: 00007fff67059a60 RCX: 00007f290f8567b7
[   44.909625][  T355] RDX: 0000000000000000 RSI: 00007fff670593a0 RDI: 0000000000000005
[   44.909924][  T355] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   44.910304][  T355] R10: 000000000c50c910 R11: 0000000000000246 R12: 0000000000000004


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