======================================
| [  124.168231][  T826] 1 lock held by ip/826:
| [ 124.168359][ T826] #0: ffffffff91fdcac8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [  124.168654][  T826]
| [  124.168654][  T826] stack backtrace:
[  124.169233][  T826] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  124.169597][  T826] Call Trace:
[  124.169725][  T826]  <TASK>
[ 124.169810][ T826] dump_stack_lvl (lib/dump_stack.c:122) 
[ 124.169974][ T826] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 124.170131][ T826] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) 
[ 124.170294][ T826] br_get_link_af_size_filtered (net/bridge/br_private.h:930 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) 
[ 124.170505][ T826] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) 
[ 124.170662][ T826] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 124.170864][ T826] br_add_if (net/bridge/br_if.c:692) 
[ 124.170988][ T826] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 124.171160][ T826] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 124.171367][ T826] do_setlink (net/core/rtnetlink.c:2907) 
[ 124.171525][ T826] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 124.171684][ T826] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 124.171846][ T826] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 124.172001][ T826] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 124.172160][ T826] ? __kernel_text_address (kernel/extable.c:79) 
[ 124.172322][ T826] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 124.172505][ T826] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 124.172701][ T826] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 124.172872][ T826] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 124.173030][ T826] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 124.173192][ T826] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 124.173357][ T826] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 124.173491][ T826] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 124.173652][ T826] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 124.173824][ T826] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 124.173989][ T826] ? 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) 
[ 124.174154][ T826] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 124.174321][ T826] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 124.174523][ T826] ? __create_object (mm/kmemleak.c:751) 
[ 124.174684][ T826] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 124.174848][ T826] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 124.174976][ T826] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 124.175137][ T826] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 124.175298][ T826] ? 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) 
[ 124.175456][ T826] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 124.175579][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 124.175745][ T826] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 124.175904][ T826] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 124.176064][ T826] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 124.176236][ T826] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 124.176401][ T826] ? 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) 
[ 124.176560][ T826] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 124.176723][ T826] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 124.176880][ T826] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 124.177044][ T826] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 124.177203][ T826] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 124.177362][ T826] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 124.177528][ T826] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 124.177692][ T826] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 124.177865][ T826] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 124.178024][ T826] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 124.178219][ T826] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 124.178396][ T826] ___sys_sendmsg (net/socket.c:2653) 
[ 124.178559][ T826] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 124.178717][ T826] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 124.178878][ T826] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 124.179032][ T826] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 124.179233][ T826] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 124.179398][ T826] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 124.179567][ T826] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 124.179767][ T826] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 124.179932][ T826] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 124.180095][ T826] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 124.180250][ T826] ? __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) 
[ 124.180438][ T826] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 124.180602][ T826] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  124.180797][  T826] RIP: 0033:0x7efc4dc2c7b7
[ 124.180960][ T826] 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)
[  124.181519][  T826] RSP: 002b:00007ffede94b1d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  124.181763][  T826] RAX: ffffffffffffffda RBX: 00007ffede94b910 RCX: 00007efc4dc2c7b7
[  124.182002][  T826] RDX: 0000000000000000 RSI: 00007ffede94b240 RDI: 0000000000000005
[  124.182239][  T826] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  124.182485][  T826] R10: 00000000145d6910 R11: 0000000000000246 R12: 0000000000000004
[  124.182725][  T826] R13: 0000000066beb072 R14: 0000000000496600 R15: 0000000000000000
| [  124.185318][  T826] 1 lock held by ip/826:
| [ 124.185443][ T826] #0: ffffffff91fdcac8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [  124.185729][  T826]
| [  124.185729][  T826] stack backtrace:
[  124.186161][  T826] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  124.186520][  T826] Call Trace:
[  124.186640][  T826]  <TASK>
[ 124.186723][ T826] dump_stack_lvl (lib/dump_stack.c:122) 
[ 124.186891][ T826] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 124.187051][ T826] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) 
[ 124.187221][ T826] br_get_link_af_size_filtered (net/bridge/br_private.h:453 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) 
[ 124.187426][ T826] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) 
[ 124.187588][ T826] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 124.187786][ T826] br_add_if (net/bridge/br_if.c:692) 
[ 124.187910][ T826] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 124.188065][ T826] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 124.188262][ T826] do_setlink (net/core/rtnetlink.c:2907) 
[ 124.188427][ T826] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 124.188587][ T826] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 124.188743][ T826] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 124.188900][ T826] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 124.189064][ T826] ? __kernel_text_address (kernel/extable.c:79) 
[ 124.189219][ T826] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 124.189375][ T826] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 124.189570][ T826] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 124.189738][ T826] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 124.189897][ T826] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 124.190056][ T826] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 124.190213][ T826] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 124.190348][ T826] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 124.190505][ T826] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 124.190662][ T826] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 124.190820][ T826] ? 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) 
[ 124.190972][ T826] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 124.191135][ T826] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 124.191328][ T826] ? __create_object (mm/kmemleak.c:751) 
[ 124.191482][ T826] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 124.191639][ T826] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 124.191778][ T826] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 124.191936][ T826] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 124.192095][ T826] ? 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) 
[ 124.192250][ T826] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 124.192385][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 124.192550][ T826] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 124.192705][ T826] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 124.192868][ T826] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 124.193039][ T826] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 124.193205][ T826] ? 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) 
[ 124.193374][ T826] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 124.193546][ T826] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 124.193704][ T826] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 124.193866][ T826] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 124.194027][ T826] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 124.194184][ T826] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 124.194353][ T826] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 124.194523][ T826] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 124.194682][ T826] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 124.194836][ T826] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 124.195030][ T826] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 124.195201][ T826] ___sys_sendmsg (net/socket.c:2653) 
[ 124.195374][ T826] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 124.195531][ T826] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 124.195689][ T826] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 124.195843][ T826] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 124.196167][ T826] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 124.196339][ T826] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 124.196506][ T826] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 124.196701][ T826] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 124.196948][ T826] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 124.197103][ T826] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 124.197257][ T826] ? __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) 
[ 124.197446][ T826] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 124.197696][ T826] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  124.197889][  T826] RIP: 0033:0x7efc4dc2c7b7
[ 124.198053][ T826] 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)
[  124.198696][  T826] RSP: 002b:00007ffede94b1d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  124.198935][  T826] RAX: ffffffffffffffda RBX: 00007ffede94b910 RCX: 00007efc4dc2c7b7
[  124.199254][  T826] RDX: 0000000000000000 RSI: 00007ffede94b240 RDI: 0000000000000005
[  124.199496][  T826] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  124.199726][  T826] R10: 00000000145d6910 R11: 0000000000000246 R12: 0000000000000004
[  124.200050][  T826] R13: 0000000066beb072 R14: 0000000000496600 R15: 0000000000000000
| [  124.202181][  T826] 1 lock held by ip/826:
| [ 124.202315][ T826] #0: ffffffff91fdcac8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [  124.202609][  T826]
| [  124.202609][  T826] stack backtrace:
[  124.203205][  T826] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  124.203559][  T826] Call Trace:
[  124.203678][  T826]  <TASK>
[ 124.203852][ T826] dump_stack_lvl (lib/dump_stack.c:122) 
[ 124.204018][ T826] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 124.204174][ T826] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) 
[ 124.204339][ T826] br_get_link_af_size_filtered (net/bridge/br_private.h:1611 net/bridge/br_private.h:1608 net/bridge/br_netlink.c:107) 
[ 124.204629][ T826] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) 
[ 124.204787][ T826] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 124.204989][ T826] br_add_if (net/bridge/br_if.c:692) 
[ 124.205112][ T826] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 124.205358][ T826] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 124.205561][ T826] do_setlink (net/core/rtnetlink.c:2907) 
[ 124.205717][ T826] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 124.205877][ T826] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 124.206032][ T826] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 124.206187][ T826] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 124.206356][ T826] ? __kernel_text_address (kernel/extable.c:79) 
[ 124.206512][ T826] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 124.206675][ T826] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 124.206971][ T826] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 124.207141][ T826] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 124.207300][ T826] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 124.207464][ T826] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 124.207704][ T826] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 124.207834][ T826] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 124.207992][ T826] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 124.208159][ T826] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 124.208416][ T826] ? 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) 
[ 124.208576][ T826] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 124.208737][ T826] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 124.208937][ T826] ? __create_object (mm/kmemleak.c:751) 
[ 124.209094][ T826] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 124.209258][ T826] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 124.209387][ T826] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 124.209545][ T826] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 124.209705][ T826] ? 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) 
[ 124.209944][ T826] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 124.210069][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 124.210227][ T826] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 124.210388][ T826] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 124.210639][ T826] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 124.210813][ T826] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 124.210970][ T826] ? 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) 
[ 124.211128][ T826] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 124.211376][ T826] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 124.211534][ T826] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 124.211696][ T826] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 124.211861][ T826] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 124.212015][ T826] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 124.212263][ T826] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 124.212462][ T826] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 124.212619][ T826] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 124.212777][ T826] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 124.213061][ T826] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 124.213226][ T826] ___sys_sendmsg (net/socket.c:2653) 
[ 124.213401][ T826] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 124.213558][ T826] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 124.213805][ T826] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 124.213959][ T826] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 124.214154][ T826] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 124.214317][ T826] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 124.214573][ T826] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 124.214763][ T826] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 124.214919][ T826] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 124.215071][ T826] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 124.215399][ T826] ? __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) 
[ 124.215569][ T826] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 124.215722][ T826] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  124.215910][  T826] RIP: 0033:0x7efc4dc2c7b7
[ 124.216071][ T826] 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)
[  124.216640][  T826] RSP: 002b:00007ffede94b1d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  124.216961][  T826] RAX: ffffffffffffffda RBX: 00007ffede94b910 RCX: 00007efc4dc2c7b7
[  124.217191][  T826] RDX: 0000000000000000 RSI: 00007ffede94b240 RDI: 0000000000000005
[  124.217524][  T826] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  124.217754][  T826] R10: 00000000145d6910 R11: 0000000000000246 R12: 0000000000000004


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