======================================
| [  140.733237][  T803] 1 lock held by ip/803:
| [ 140.733376][ T803] #0: ffffffffb6bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [  140.733718][  T803]
| [  140.733718][  T803] stack backtrace:
[  140.734198][  T803] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  140.734580][  T803] Call Trace:
[  140.734720][  T803]  <TASK>
[ 140.734812][ T803] dump_stack_lvl (lib/dump_stack.c:122) 
[ 140.734996][ T803] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 140.735167][ T803] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 140.735415][ T803] 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
[ 140.735671][ T803] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 140.735870][ T803] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 140.736089][ T803] br_add_if (net/bridge/br_if.c:692) bridge
[ 140.736296][ T803] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 140.736465][ T803] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 140.736694][ T803] do_setlink (net/core/rtnetlink.c:2907) 
[ 140.736870][ T803] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 140.737047][ T803] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 140.737219][ T803] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 140.737388][ T803] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 140.737567][ T803] ? __kernel_text_address (kernel/extable.c:79) 
[ 140.737738][ T803] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 140.737919][ T803] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 140.738135][ T803] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 140.738317][ T803] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 140.738491][ T803] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 140.738669][ T803] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 140.738849][ T803] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 140.738992][ T803] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 140.739172][ T803] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 140.739352][ T803] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 140.739534][ T803] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 140.739728][ T803] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 140.739941][ T803] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 140.740163][ T803] ? __create_object (mm/kmemleak.c:751) 
[ 140.740344][ T803] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 140.740542][ T803] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 140.740682][ T803] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 140.740878][ T803] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 140.741060][ T803] ? 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) 
[ 140.741243][ T803] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 140.741385][ T803] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 140.741570][ T803] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 140.741755][ T803] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 140.741941][ T803] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 140.742139][ T803] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 140.742320][ T803] ? 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) 
[ 140.742505][ T803] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 140.742689][ T803] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 140.742871][ T803] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 140.743066][ T803] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 140.743253][ T803] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 140.743438][ T803] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 140.743633][ T803] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 140.743841][ T803] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 140.744029][ T803] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 140.744216][ T803] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 140.744440][ T803] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 140.744634][ T803] ___sys_sendmsg (net/socket.c:2653) 
[ 140.744820][ T803] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 140.745016][ T803] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 140.745204][ T803] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 140.745390][ T803] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 140.745616][ T803] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 140.745813][ T803] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 140.745999][ T803] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 140.746223][ T803] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 140.746413][ T803] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 140.746616][ T803] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 140.746807][ T803] ? __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) 
[ 140.747010][ T803] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 140.747198][ T803] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  140.747425][  T803] RIP: 0033:0x7f493bc167b7
[ 140.747612][ T803] 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)
[  140.748262][  T803] RSP: 002b:00007ffe8ab1d368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  140.748553][  T803] RAX: ffffffffffffffda RBX: 00007ffe8ab1da90 RCX: 00007f493bc167b7
[  140.748827][  T803] RDX: 0000000000000000 RSI: 00007ffe8ab1d3d0 RDI: 0000000000000005
[  140.749110][  T803] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  140.749394][  T803] R10: 000000003345b910 R11: 0000000000000246 R12: 0000000000000004
[  140.749670][  T803] R13: 0000000066bea022 R14: 0000000000496600 R15: 0000000000000000
| [  140.752760][  T803] 1 lock held by ip/803:
| [ 140.752955][ T803] #0: ffffffffb6bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [  140.753317][  T803]
| [  140.753317][  T803] stack backtrace:
[  140.753822][  T803] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  140.754221][  T803] Call Trace:
[  140.754352][  T803]  <TASK>
[ 140.754451][ T803] dump_stack_lvl (lib/dump_stack.c:122) 
[ 140.754646][ T803] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 140.754829][ T803] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 140.755083][ T803] 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
[ 140.755328][ T803] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 140.755538][ T803] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 140.755750][ T803] br_add_if (net/bridge/br_if.c:692) bridge
[ 140.755956][ T803] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 140.756138][ T803] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 140.756353][ T803] do_setlink (net/core/rtnetlink.c:2907) 
[ 140.756526][ T803] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 140.756715][ T803] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 140.756884][ T803] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 140.757052][ T803] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 140.757223][ T803] ? __kernel_text_address (kernel/extable.c:79) 
[ 140.757393][ T803] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 140.757566][ T803] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 140.757787][ T803] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 140.757981][ T803] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 140.758163][ T803] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 140.758343][ T803] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 140.758524][ T803] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 140.758664][ T803] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 140.758852][ T803] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 140.759052][ T803] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 140.759247][ T803] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 140.759433][ T803] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 140.759656][ T803] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 140.759882][ T803] ? __create_object (mm/kmemleak.c:751) 
[ 140.760069][ T803] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 140.760256][ T803] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 140.760393][ T803] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 140.760586][ T803] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 140.760768][ T803] ? 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) 
[ 140.760954][ T803] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 140.761101][ T803] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 140.761287][ T803] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 140.761469][ T803] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 140.761651][ T803] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 140.761849][ T803] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 140.762037][ T803] ? 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) 
[ 140.762227][ T803] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 140.762412][ T803] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 140.762595][ T803] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 140.762781][ T803] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 140.762969][ T803] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 140.763148][ T803] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 140.763335][ T803] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 140.763531][ T803] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 140.763719][ T803] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 140.763899][ T803] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 140.764120][ T803] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 140.764311][ T803] ___sys_sendmsg (net/socket.c:2653) 
[ 140.764504][ T803] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 140.764687][ T803] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 140.764869][ T803] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 140.765055][ T803] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 140.765283][ T803] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 140.765469][ T803] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 140.765660][ T803] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 140.765889][ T803] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 140.766081][ T803] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 140.766262][ T803] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 140.766450][ T803] ? __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) 
[ 140.766671][ T803] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 140.766864][ T803] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  140.767091][  T803] RIP: 0033:0x7f493bc167b7
[ 140.767284][ T803] 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)
[  140.768102][  T803] RSP: 002b:00007ffe8ab1d368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  140.768384][  T803] RAX: ffffffffffffffda RBX: 00007ffe8ab1da90 RCX: 00007f493bc167b7
[  140.768767][  T803] RDX: 0000000000000000 RSI: 00007ffe8ab1d3d0 RDI: 0000000000000005
[  140.769031][  T803] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  140.769301][  T803] R10: 000000003345b910 R11: 0000000000000246 R12: 0000000000000004
[  140.769708][  T803] R13: 0000000066bea022 R14: 0000000000496600 R15: 0000000000000000
| [  140.772096][  T803] 1 lock held by ip/803:
| [ 140.772340][ T803] #0: ffffffffb6bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [  140.772673][  T803]
| [  140.772673][  T803] stack backtrace:
[  140.773289][  T803] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  140.773698][  T803] Call Trace:
[  140.773837][  T803]  <TASK>
[ 140.773932][ T803] dump_stack_lvl (lib/dump_stack.c:122) 
[ 140.774122][ T803] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 140.774303][ T803] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 140.774573][ T803] 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
[ 140.774835][ T803] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 140.775143][ T803] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 140.775366][ T803] br_add_if (net/bridge/br_if.c:692) bridge
[ 140.775578][ T803] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 140.775754][ T803] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 140.776078][ T803] do_setlink (net/core/rtnetlink.c:2907) 
[ 140.776272][ T803] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 140.776455][ T803] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 140.776649][ T803] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 140.776928][ T803] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 140.777109][ T803] ? __kernel_text_address (kernel/extable.c:79) 
[ 140.777290][ T803] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 140.777470][ T803] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 140.777804][ T803] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 140.777998][ T803] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 140.778177][ T803] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 140.778358][ T803] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 140.778637][ T803] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 140.778778][ T803] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 140.778969][ T803] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 140.779153][ T803] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 140.779440][ T803] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 140.779630][ T803] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 140.779864][ T803] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 140.780086][ T803] ? __create_object (mm/kmemleak.c:751) 
[ 140.780355][ T803] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 140.780531][ T803] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 140.780664][ T803] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 140.780836][ T803] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 140.781005][ T803] ? 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) 
[ 140.781287][ T803] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 140.781427][ T803] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 140.781597][ T803] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 140.781771][ T803] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 140.782039][ T803] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 140.782224][ T803] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 140.782403][ T803] ? 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) 
[ 140.782577][ T803] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 140.782860][ T803] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 140.783043][ T803] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 140.783218][ T803] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 140.783391][ T803] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 140.783558][ T803] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 140.783839][ T803] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 140.784033][ T803] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 140.784216][ T803] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 140.784404][ T803] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 140.784710][ T803] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 140.784900][ T803] ___sys_sendmsg (net/socket.c:2653) 
[ 140.785072][ T803] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 140.785242][ T803] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 140.785508][ T803] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 140.785675][ T803] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 140.785886][ T803] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 140.786066][ T803] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 140.786344][ T803] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 140.786563][ T803] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 140.786753][ T803] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 140.786920][ T803] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 140.787086][ T803] ? __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) 
[ 140.787277][ T803] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 140.787447][ T803] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  140.787665][  T803] RIP: 0033:0x7f493bc167b7
[ 140.787944][ T803] 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)
[  140.788527][  T803] RSP: 002b:00007ffe8ab1d368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  140.788883][  T803] RAX: ffffffffffffffda RBX: 00007ffe8ab1da90 RCX: 00007f493bc167b7
[  140.789142][  T803] RDX: 0000000000000000 RSI: 00007ffe8ab1d3d0 RDI: 0000000000000005
[  140.789499][  T803] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  140.789754][  T803] R10: 000000003345b910 R11: 0000000000000246 R12: 0000000000000004


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