======================================
| [   33.900478][  T296] 1 lock held by ip/296:
| [ 33.900595][ T296] #0: ffffffff939dcac8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   33.900887][  T296]
| [   33.900887][  T296] stack backtrace:
[   33.901312][  T296] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   33.901643][  T296] Call Trace:
[   33.901763][  T296]  <TASK>
[ 33.901849][ T296] dump_stack_lvl (lib/dump_stack.c:122) 
[ 33.902007][ T296] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 33.902165][ T296] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) 
[ 33.902321][ T296] br_get_link_af_size_filtered (net/bridge/br_private.h:930 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) 
[ 33.902516][ T296] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) 
[ 33.902669][ T296] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.902860][ T296] br_add_if (net/bridge/br_if.c:692) 
[ 33.902983][ T296] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 33.903139][ T296] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 33.903332][ T296] do_setlink (net/core/rtnetlink.c:2907) 
[ 33.903494][ T296] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 33.903648][ T296] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 33.903801][ T296] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 33.903958][ T296] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 33.904113][ T296] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.904265][ T296] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 33.904419][ T296] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 33.904609][ T296] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 33.904780][ T296] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 33.904932][ T296] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 33.905082][ T296] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 33.905235][ T296] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 33.905354][ T296] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 33.905508][ T296] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 33.905668][ T296] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 33.905824][ T296] ? 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) 
[ 33.905979][ T296] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 33.906135][ T296] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.906323][ T296] ? __create_object (mm/kmemleak.c:751) 
[ 33.906475][ T296] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 33.906634][ T296] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 33.906750][ T296] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 33.906902][ T296] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 33.907057][ T296] ? 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) 
[ 33.907207][ T296] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 33.907328][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 33.907482][ T296] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 33.907638][ T296] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 33.907894][ T296] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 33.908061][ T296] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 33.908212][ T296] ? 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) 
[ 33.908373][ T296] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 33.908526][ T296] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 33.908678][ T296] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 33.908835][ T296] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 33.908989][ T296] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 33.909138][ T296] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 33.909291][ T296] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 33.909450][ T296] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 33.909606][ T296] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 33.909757][ T296] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 33.909945][ T296] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 33.910108][ T296] ___sys_sendmsg (net/socket.c:2653) 
[ 33.910262][ T296] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 33.910413][ T296] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 33.910565][ T296] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 33.910715][ T296] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 33.910908][ T296] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 33.911060][ T296] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 33.911216][ T296] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.911405][ T296] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 33.911562][ T296] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 33.911712][ T296] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 33.911864][ T296] ? __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) 
[ 33.912151][ T296] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 33.912303][ T296] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.912492][  T296] RIP: 0033:0x7f6b5a31c7b7
[ 33.912649][ T296] 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)
[   33.913174][  T296] RSP: 002b:00007ffff2e2c198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.913504][  T296] RAX: ffffffffffffffda RBX: 00007ffff2e2c8d0 RCX: 00007f6b5a31c7b7
[   33.913729][  T296] RDX: 0000000000000000 RSI: 00007ffff2e2c200 RDI: 0000000000000005
[   33.913954][  T296] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.914269][  T296] R10: 00000000117c3910 R11: 0000000000000246 R12: 0000000000000004
[   33.914492][  T296] R13: 0000000066beb24a R14: 0000000000496600 R15: 0000000000000000
| [   33.916579][  T296] 1 lock held by ip/296:
| [ 33.916694][ T296] #0: ffffffff939dcac8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   33.916964][  T296]
| [   33.916964][  T296] stack backtrace:
[   33.917445][  T296] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   33.917773][  T296] Call Trace:
[   33.917888][  T296]  <TASK>
[ 33.917967][ T296] dump_stack_lvl (lib/dump_stack.c:122) 
[ 33.918123][ T296] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 33.918365][ T296] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) 
[ 33.918527][ T296] br_get_link_af_size_filtered (net/bridge/br_private.h:453 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) 
[ 33.918718][ T296] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) 
[ 33.918867][ T296] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.919143][ T296] br_add_if (net/bridge/br_if.c:692) 
[ 33.919263][ T296] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 33.919411][ T296] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 33.919603][ T296] do_setlink (net/core/rtnetlink.c:2907) 
[ 33.919754][ T296] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 33.919909][ T296] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 33.920059][ T296] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 33.920209][ T296] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 33.920361][ T296] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.920596][ T296] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 33.920748][ T296] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 33.920933][ T296] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 33.921095][ T296] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 33.921334][ T296] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 33.921483][ T296] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 33.921634][ T296] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 33.921755][ T296] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 33.921993][ T296] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 33.922150][ T296] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 33.922306][ T296] ? 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) 
[ 33.922456][ T296] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 33.922699][ T296] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.922890][ T296] ? __create_object (mm/kmemleak.c:751) 
[ 33.923041][ T296] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 33.923199][ T296] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 33.923314][ T296] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 33.923560][ T296] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 33.923710][ T296] ? 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) 
[ 33.923862][ T296] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 33.923985][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 33.924228][ T296] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 33.924377][ T296] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 33.924531][ T296] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 33.924695][ T296] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 33.925016][ T296] ? 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) 
[ 33.925170][ T296] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 33.925327][ T296] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 33.925478][ T296] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 33.925637][ T296] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 33.925879][ T296] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 33.926027][ T296] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 33.926180][ T296] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 33.926338][ T296] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 33.926576][ T296] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 33.926726][ T296] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 33.926910][ T296] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 33.927074][ T296] ___sys_sendmsg (net/socket.c:2653) 
[ 33.927313][ T296] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 33.927464][ T296] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 33.927619][ T296] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 33.927767][ T296] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 33.928038][ T296] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 33.928191][ T296] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 33.928346][ T296] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.928539][ T296] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 33.928785][ T296] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 33.928934][ T296] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 33.929082][ T296] ? __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) 
[ 33.929250][ T296] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 33.929488][ T296] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.929672][  T296] RIP: 0033:0x7f6b5a31c7b7
[ 33.929833][ T296] 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)
[   33.930452][  T296] RSP: 002b:00007ffff2e2c198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.930677][  T296] RAX: ffffffffffffffda RBX: 00007ffff2e2c8d0 RCX: 00007f6b5a31c7b7
[   33.930993][  T296] RDX: 0000000000000000 RSI: 00007ffff2e2c200 RDI: 0000000000000005
[   33.931220][  T296] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.931443][  T296] R10: 00000000117c3910 R11: 0000000000000246 R12: 0000000000000004
[   33.931753][  T296] R13: 0000000066beb24a R14: 0000000000496600 R15: 0000000000000000
| [   33.933856][  T296] 1 lock held by ip/296:
| [ 33.933969][ T296] #0: ffffffff939dcac8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   33.934322][  T296]
| [   33.934322][  T296] stack backtrace:
[   33.934729][  T296] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   33.935147][  T296] Call Trace:
[   33.935265][  T296]  <TASK>
[ 33.935346][ T296] dump_stack_lvl (lib/dump_stack.c:122) 
[ 33.935503][ T296] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 33.935738][ T296] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) 
[ 33.935891][ T296] br_get_link_af_size_filtered (net/bridge/br_private.h:1611 net/bridge/br_private.h:1608 net/bridge/br_netlink.c:107) 
[ 33.936090][ T296] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) 
[ 33.936240][ T296] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.936516][ T296] br_add_if (net/bridge/br_if.c:692) 
[ 33.936638][ T296] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 33.936786][ T296] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 33.936974][ T296] do_setlink (net/core/rtnetlink.c:2907) 
[ 33.937213][ T296] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 33.937362][ T296] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 33.937512][ T296] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 33.937664][ T296] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 33.937904][ T296] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.938053][ T296] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 33.938203][ T296] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 33.938388][ T296] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 33.938635][ T296] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 33.938785][ T296] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 33.938938][ T296] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 33.939089][ T296] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 33.939209][ T296] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 33.939445][ T296] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 33.939602][ T296] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 33.939757][ T296] ? 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) 
[ 33.939910][ T296] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 33.940152][ T296] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.940339][ T296] ? __create_object (mm/kmemleak.c:751) 
[ 33.940490][ T296] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 33.940645][ T296] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 33.940764][ T296] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 33.940916][ T296] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 33.941068][ T296] ? 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) 
[ 33.941218][ T296] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 33.941338][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 33.941577][ T296] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 33.941726][ T296] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 33.941877][ T296] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 33.942045][ T296] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 33.942296][ T296] ? 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) 
[ 33.942449][ T296] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 33.942602][ T296] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 33.942752][ T296] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 33.942992][ T296] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 33.943146][ T296] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 33.943297][ T296] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 33.943451][ T296] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 33.943707][ T296] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 33.943859][ T296] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 33.944007][ T296] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 33.944191][ T296] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 33.944442][ T296] ___sys_sendmsg (net/socket.c:2653) 
[ 33.944598][ T296] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 33.944749][ T296] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 33.944905][ T296] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 33.945054][ T296] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 33.945333][ T296] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 33.945485][ T296] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 33.945644][ T296] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.945832][ T296] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 33.945989][ T296] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 33.946139][ T296] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 33.946291][ T296] ? __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) 
[ 33.946460][ T296] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 33.946699][ T296] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.946882][  T296] RIP: 0033:0x7f6b5a31c7b7
[ 33.947042][ T296] 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)
[   33.947661][  T296] RSP: 002b:00007ffff2e2c198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.947890][  T296] RAX: ffffffffffffffda RBX: 00007ffff2e2c8d0 RCX: 00007f6b5a31c7b7
[   33.948204][  T296] RDX: 0000000000000000 RSI: 00007ffff2e2c200 RDI: 0000000000000005
[   33.948427][  T296] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.948649][  T296] R10: 00000000117c3910 R11: 0000000000000246 R12: 0000000000000004


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