======================================
| [  230.904706][  T729] 1 lock held by ip/729:
| [ 230.904835][ T729] #0: ffffffffa35bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [  230.905140][  T729]
| [  230.905140][  T729] stack backtrace:
[  230.905711][  T729] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  230.906089][  T729] Call Trace:
[  230.906225][  T729]  <TASK>
[ 230.906312][ T729] dump_stack_lvl (lib/dump_stack.c:122) 
[ 230.906488][ T729] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 230.906666][ T729] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 230.906940][ T729] 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
[ 230.907185][ T729] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 230.907391][ T729] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 230.907602][ T729] br_add_if (net/bridge/br_if.c:692) bridge
[ 230.907804][ T729] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 230.907976][ T729] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 230.908194][ T729] do_setlink (net/core/rtnetlink.c:2907) 
[ 230.908371][ T729] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 230.908540][ T729] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 230.908707][ T729] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 230.908876][ T729] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 230.909046][ T729] ? __kernel_text_address (kernel/extable.c:79) 
[ 230.909223][ T729] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 230.909391][ T729] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 230.909602][ T729] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 230.909786][ T729] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 230.909956][ T729] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 230.910127][ T729] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 230.910305][ T729] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 230.910438][ T729] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 230.910617][ T729] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 230.910794][ T729] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 230.910971][ T729] ? 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) 
[ 230.911141][ T729] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 230.911316][ T729] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 230.911528][ T729] ? __create_object (mm/kmemleak.c:751) 
[ 230.911705][ T729] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 230.911882][ T729] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 230.912018][ T729] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 230.912195][ T729] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 230.912364][ T729] ? 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) 
[ 230.912538][ T729] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 230.912671][ T729] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 230.912842][ T729] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 230.913176][ T729] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 230.913353][ T729] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 230.913565][ T729] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 230.913741][ T729] ? 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) 
[ 230.913910][ T729] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 230.914195][ T729] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 230.914371][ T729] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 230.914544][ T729] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 230.914711][ T729] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 230.914882][ T729] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 230.915158][ T729] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 230.915341][ T729] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 230.915514][ T729] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 230.915682][ T729] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 230.915892][ T729] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 230.916072][ T729] ___sys_sendmsg (net/socket.c:2653) 
[ 230.916349][ T729] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 230.916526][ T729] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 230.916699][ T729] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 230.916867][ T729] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 230.917080][ T729] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 230.917356][ T729] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 230.917534][ T729] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 230.917746][ T729] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 230.917930][ T729] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 230.918098][ T729] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 230.918275][ T729] ? __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) 
[ 230.918565][ T729] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 230.918739][ T729] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  230.918951][  T729] RIP: 0033:0x7f50490b87b7
[ 230.919128][ T729] 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)
[  230.919822][  T729] RSP: 002b:00007ffeaedc5938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  230.920177][  T729] RAX: ffffffffffffffda RBX: 00007ffeaedc6060 RCX: 00007f50490b87b7
[  230.920429][  T729] RDX: 0000000000000000 RSI: 00007ffeaedc59a0 RDI: 0000000000000005
[  230.920685][  T729] RBP: 0000000000000005 R08: 0000000000000003 R09: 0000000000000000
[  230.921138][  T729] R10: 000000000e9ff910 R11: 0000000000000246 R12: 0000000000000005
[  230.921391][  T729] R13: 0000000066be9e6e R14: 0000000000496600 R15: 0000000000000000
| [  230.923942][  T729] 1 lock held by ip/729:
| [ 230.924075][ T729] #0: ffffffffa35bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [  230.924542][  T729]
| [  230.924542][  T729] stack backtrace:
[  230.925006][  T729] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  230.925372][  T729] Call Trace:
[  230.925602][  T729]  <TASK>
[ 230.925691][ T729] dump_stack_lvl (lib/dump_stack.c:122) 
[ 230.925862][ T729] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 230.926033][ T729] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 230.926393][ T729] 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
[ 230.926641][ T729] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 230.926839][ T729] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 230.927055][ T729] br_add_if (net/bridge/br_if.c:692) bridge
[ 230.927262][ T729] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 230.927428][ T729] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 230.927639][ T729] do_setlink (net/core/rtnetlink.c:2907) 
[ 230.927807][ T729] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 230.927983][ T729] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 230.928150][ T729] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 230.928325][ T729] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 230.928497][ T729] ? __kernel_text_address (kernel/extable.c:79) 
[ 230.928760][ T729] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 230.928926][ T729] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 230.929133][ T729] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 230.929314][ T729] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 230.929583][ T729] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 230.929749][ T729] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 230.929918][ T729] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 230.930058][ T729] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 230.930232][ T729] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 230.930512][ T729] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 230.930689][ T729] ? 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) 
[ 230.930860][ T729] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 230.931034][ T729] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 230.931254][ T729] ? __create_object (mm/kmemleak.c:751) 
[ 230.931428][ T729] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 230.931614][ T729] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 230.931748][ T729] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 230.932028][ T729] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 230.932198][ T729] ? 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) 
[ 230.932374][ T729] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 230.932506][ T729] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 230.932679][ T729] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 230.932849][ T729] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 230.933129][ T729] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 230.933317][ T729] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 230.933491][ T729] ? 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) 
[ 230.933678][ T729] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 230.933850][ T729] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 230.934123][ T729] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 230.934301][ T729] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 230.934582][ T729] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 230.934753][ T729] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 230.934926][ T729] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 230.935104][ T729] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 230.935277][ T729] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 230.935553][ T729] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 230.935761][ T729] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 230.935945][ T729] ___sys_sendmsg (net/socket.c:2653) 
[ 230.936122][ T729] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 230.936299][ T729] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 230.936479][ T729] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 230.936647][ T729] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 230.936860][ T729] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 230.937131][ T729] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 230.937314][ T729] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 230.937523][ T729] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 230.937701][ T729] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 230.937973][ T729] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 230.938138][ T729] ? __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) 
[ 230.938330][ T729] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 230.938499][ T729] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  230.938706][  T729] RIP: 0033:0x7f50490b87b7
[ 230.938879][ T729] 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)
[  230.939579][  T729] RSP: 002b:00007ffeaedc5938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  230.939834][  T729] RAX: ffffffffffffffda RBX: 00007ffeaedc6060 RCX: 00007f50490b87b7
[  230.940083][  T729] RDX: 0000000000000000 RSI: 00007ffeaedc59a0 RDI: 0000000000000005
[  230.940332][  T729] RBP: 0000000000000005 R08: 0000000000000003 R09: 0000000000000000
[  230.940582][  T729] R10: 000000000e9ff910 R11: 0000000000000246 R12: 0000000000000005
[  230.940831][  T729] R13: 0000000066be9e6e R14: 0000000000496600 R15: 0000000000000000
| [  230.943541][  T729] 1 lock held by ip/729:
| [ 230.943677][ T729] #0: ffffffffa35bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [  230.943985][  T729]
| [  230.943985][  T729] stack backtrace:
[  230.944449][  T729] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  230.944822][  T729] Call Trace:
[  230.945057][  T729]  <TASK>
[ 230.945149][ T729] dump_stack_lvl (lib/dump_stack.c:122) 
[ 230.945333][ T729] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 230.945500][ T729] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 230.945754][ T729] 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
[ 230.946102][ T729] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 230.946306][ T729] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 230.946520][ T729] br_add_if (net/bridge/br_if.c:692) bridge
[ 230.946821][ T729] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 230.946990][ T729] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 230.947204][ T729] do_setlink (net/core/rtnetlink.c:2907) 
[ 230.947482][ T729] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 230.947654][ T729] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 230.947818][ T729] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 230.947991][ T729] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 230.948165][ T729] ? __kernel_text_address (kernel/extable.c:79) 
[ 230.948335][ T729] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 230.948503][ T729] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 230.948709][ T729] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 230.948990][ T729] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 230.949271][ T729] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 230.949439][ T729] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 230.949611][ T729] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 230.949748][ T729] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 230.949918][ T729] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 230.950198][ T729] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 230.950379][ T729] ? 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) 
[ 230.950548][ T729] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 230.950725][ T729] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 230.951040][ T729] ? __create_object (mm/kmemleak.c:751) 
[ 230.951217][ T729] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 230.951401][ T729] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 230.951535][ T729] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 230.951705][ T729] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 230.951876][ T729] ? 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) 
[ 230.952148][ T729] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 230.952284][ T729] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 230.952456][ T729] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 230.952626][ T729] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 230.952796][ T729] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 230.953091][ T729] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 230.953269][ T729] ? 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) 
[ 230.953438][ T729] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 230.953621][ T729] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 230.953791][ T729] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 230.954069][ T729] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 230.954247][ T729] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 230.954418][ T729] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 230.954591][ T729] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 230.954865][ T729] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 230.955139][ T729] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 230.955310][ T729] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 230.955514][ T729] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 230.955693][ T729] ___sys_sendmsg (net/socket.c:2653) 
[ 230.955861][ T729] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 230.956032][ T729] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 230.956206][ T729] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 230.956477][ T729] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 230.956684][ T729] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 230.956858][ T729] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 230.957030][ T729] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 230.957244][ T729] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 230.957419][ T729] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 230.957589][ T729] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 230.957754][ T729] ? __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) 
[ 230.958043][ T729] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 230.958221][ T729] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  230.958427][  T729] RIP: 0033:0x7f50490b87b7
[ 230.958606][ T729] 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)
[  230.959335][  T729] RSP: 002b:00007ffeaedc5938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  230.959600][  T729] RAX: ffffffffffffffda RBX: 00007ffeaedc6060 RCX: 00007f50490b87b7
[  230.959946][  T729] RDX: 0000000000000000 RSI: 00007ffeaedc59a0 RDI: 0000000000000005
[  230.960194][  T729] RBP: 0000000000000005 R08: 0000000000000003 R09: 0000000000000000
[  230.960543][  T729] R10: 000000000e9ff910 R11: 0000000000000246 R12: 0000000000000005


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