======================================
| [   35.092717][  T331] 1 lock held by ip/331:
| [ 35.092856][ T331] #0: ffffffff8c1bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   35.093227][  T331]
| [   35.093227][  T331] stack backtrace:
[   35.093729][  T331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   35.094140][  T331] Call Trace:
[   35.094301][  T331]  <TASK>
[ 35.094389][ T331] dump_stack_lvl (lib/dump_stack.c:122) 
[ 35.094574][ T331] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 35.094763][ T331] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 35.095067][ T331] 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
[ 35.095318][ T331] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 35.095534][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.095762][ T331] br_add_if (net/bridge/br_if.c:692) bridge
[ 35.095989][ T331] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 35.096178][ T331] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 35.096419][ T331] do_setlink (net/core/rtnetlink.c:2907) 
[ 35.096602][ T331] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 35.096773][ T331] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 35.096961][ T331] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 35.097129][ T331] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.097305][ T331] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.097473][ T331] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 35.097647][ T331] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 35.097861][ T331] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 35.098052][ T331] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 35.098227][ T331] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 35.098398][ T331] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 35.098571][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 35.098700][ T331] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 35.098890][ T331] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 35.099082][ T331] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 35.099256][ T331] ? 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) 
[ 35.099433][ T331] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 35.099603][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.099824][ T331] ? __create_object (mm/kmemleak.c:751) 
[ 35.100021][ T331] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 35.100196][ T331] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 35.100327][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 35.100499][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 35.100673][ T331] ? 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) 
[ 35.100839][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 35.101011][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 35.101205][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 35.101374][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 35.101544][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 35.101726][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 35.101897][ T331] ? 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) 
[ 35.102079][ T331] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 35.102256][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 35.102427][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 35.102601][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 35.102779][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 35.102955][ T331] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 35.103125][ T331] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 35.103298][ T331] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 35.103476][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 35.103642][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 35.103847][ T331] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 35.104048][ T331] ___sys_sendmsg (net/socket.c:2653) 
[ 35.104220][ T331] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 35.104391][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 35.104559][ T331] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 35.104725][ T331] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 35.104947][ T331] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 35.105141][ T331] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 35.105313][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.105523][ T331] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 35.105699][ T331] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 35.105867][ T331] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 35.106032][ T331] ? __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) 
[ 35.106223][ T331] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 35.106394][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.106602][  T331] RIP: 0033:0x7ffa218a37b7
[ 35.106780][ T331] 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)
[   35.107357][  T331] RSP: 002b:00007ffef9ee0b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.107614][  T331] RAX: ffffffffffffffda RBX: 00007ffef9ee12a0 RCX: 00007ffa218a37b7
[   35.107863][  T331] RDX: 0000000000000000 RSI: 00007ffef9ee0be0 RDI: 0000000000000005
[   35.108137][  T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.108385][  T331] R10: 0000000031149910 R11: 0000000000000246 R12: 0000000000000004
[   35.108642][  T331] R13: 0000000066bea4d7 R14: 0000000000496600 R15: 0000000000000000
| [   35.110702][  T331] 1 lock held by ip/331:
| [ 35.110834][ T331] #0: ffffffff8c1bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   35.111147][  T331]
| [   35.111147][  T331] stack backtrace:
[   35.111614][  T331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   35.112003][  T331] Call Trace:
[   35.112145][  T331]  <TASK>
[ 35.112234][ T331] dump_stack_lvl (lib/dump_stack.c:122) 
[ 35.112412][ T331] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 35.112580][ T331] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 35.112835][ T331] 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
[ 35.113088][ T331] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 35.113298][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.113506][ T331] br_add_if (net/bridge/br_if.c:692) bridge
[ 35.113718][ T331] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 35.113889][ T331] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 35.114102][ T331] do_setlink (net/core/rtnetlink.c:2907) 
[ 35.114274][ T331] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 35.114443][ T331] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 35.114618][ T331] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 35.114785][ T331] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.114954][ T331] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.115128][ T331] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 35.115294][ T331] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 35.115503][ T331] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 35.115684][ T331] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 35.115853][ T331] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 35.116051][ T331] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 35.116222][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 35.116353][ T331] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 35.116530][ T331] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 35.116705][ T331] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 35.116882][ T331] ? 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) 
[ 35.117055][ T331] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 35.117229][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.117440][ T331] ? __create_object (mm/kmemleak.c:751) 
[ 35.117622][ T331] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 35.117794][ T331] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 35.117927][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 35.118098][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 35.118269][ T331] ? 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) 
[ 35.118437][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 35.118578][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 35.118749][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 35.118938][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 35.119108][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 35.119291][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 35.119459][ T331] ? 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) 
[ 35.119628][ T331] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 35.119813][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 35.120004][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 35.120183][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 35.120356][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 35.120524][ T331] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 35.120696][ T331] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 35.120876][ T331] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 35.121045][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 35.121218][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 35.121434][ T331] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 35.121617][ T331] ___sys_sendmsg (net/socket.c:2653) 
[ 35.121788][ T331] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 35.121960][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 35.122132][ T331] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 35.122304][ T331] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 35.122511][ T331] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 35.122688][ T331] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 35.122875][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.123084][ T331] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 35.123258][ T331] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 35.123439][ T331] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 35.123761][ T331] ? __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) 
[ 35.123953][ T331] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 35.124148][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.124362][  T331] RIP: 0033:0x7ffa218a37b7
[ 35.124641][ T331] 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)
[   35.125215][  T331] RSP: 002b:00007ffef9ee0b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.125562][  T331] RAX: ffffffffffffffda RBX: 00007ffef9ee12a0 RCX: 00007ffa218a37b7
[   35.125817][  T331] RDX: 0000000000000000 RSI: 00007ffef9ee0be0 RDI: 0000000000000005
[   35.126070][  T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.126421][  T331] R10: 0000000031149910 R11: 0000000000000246 R12: 0000000000000004
[   35.126669][  T331] R13: 0000000066bea4d7 R14: 0000000000496600 R15: 0000000000000000
| [   35.128904][  T331] 1 lock held by ip/331:
| [ 35.129044][ T331] #0: ffffffff8c1bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   35.129444][  T331]
| [   35.129444][  T331] stack backtrace:
[   35.129899][  T331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   35.130364][  T331] Call Trace:
[   35.130494][  T331]  <TASK>
[ 35.130582][ T331] dump_stack_lvl (lib/dump_stack.c:122) 
[ 35.130754][ T331] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 35.130921][ T331] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 35.131270][ T331] 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
[ 35.131513][ T331] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 35.131711][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.131921][ T331] br_add_if (net/bridge/br_if.c:692) bridge
[ 35.132142][ T331] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 35.132310][ T331] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 35.132521][ T331] do_setlink (net/core/rtnetlink.c:2907) 
[ 35.132809][ T331] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 35.132981][ T331] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 35.133147][ T331] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 35.133315][ T331] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.133580][ T331] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.133745][ T331] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 35.133910][ T331] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 35.134118][ T331] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 35.134399][ T331] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 35.134567][ T331] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 35.134739][ T331] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 35.134907][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 35.135039][ T331] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 35.135308][ T331] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 35.135481][ T331] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 35.135656][ T331] ? 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) 
[ 35.135823][ T331] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 35.136094][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.136314][ T331] ? __create_object (mm/kmemleak.c:751) 
[ 35.136486][ T331] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 35.136665][ T331] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 35.136797][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 35.136973][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 35.137142][ T331] ? 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) 
[ 35.137314][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 35.137448][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 35.137626][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 35.137798][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 35.137974][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 35.138163][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 35.138427][ T331] ? 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) 
[ 35.138598][ T331] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 35.138770][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 35.138949][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 35.139218][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 35.139395][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 35.139560][ T331] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 35.139730][ T331] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 35.139905][ T331] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 35.140174][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 35.140340][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 35.140543][ T331] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 35.140721][ T331] ___sys_sendmsg (net/socket.c:2653) 
[ 35.140892][ T331] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 35.141059][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 35.141230][ T331] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 35.141392][ T331] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 35.141599][ T331] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 35.141768][ T331] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 35.141940][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.142148][ T331] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 35.142421][ T331] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 35.142587][ T331] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 35.142751][ T331] ? __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) 
[ 35.142937][ T331] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 35.143210][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.143417][  T331] RIP: 0033:0x7ffa218a37b7
[ 35.143603][ T331] 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)
[   35.144181][  T331] RSP: 002b:00007ffef9ee0b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.144431][  T331] RAX: ffffffffffffffda RBX: 00007ffef9ee12a0 RCX: 00007ffa218a37b7
[   35.144687][  T331] RDX: 0000000000000000 RSI: 00007ffef9ee0be0 RDI: 0000000000000005
[   35.144934][  T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.145192][  T331] R10: 0000000031149910 R11: 0000000000000246 R12: 0000000000000004


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