======================================
| [   31.204037][  T292] 1 lock held by ip/292:
| [ 31.204204][ T292] #0: ffffffff9c1bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.204707][  T292]
| [   31.204707][  T292] stack backtrace:
[   31.205205][  T292] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.205592][  T292] Call Trace:
[   31.205724][  T292]  <TASK>
[ 31.205827][ T292] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.206019][ T292] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.206201][ T292] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.206508][ T292] 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
[ 31.206768][ T292] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.206979][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.207239][ T292] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.207466][ T292] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.207645][ T292] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.207862][ T292] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.208050][ T292] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.208239][ T292] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.208425][ T292] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.208591][ T292] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.208776][ T292] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.208957][ T292] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.209124][ T292] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.209363][ T292] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.209558][ T292] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.209725][ T292] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.209891][ T292] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.210079][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.210225][ T292] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.210426][ T292] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.210621][ T292] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.210794][ T292] ? 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) 
[ 31.210980][ T292] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.211154][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.211389][ T292] ? __create_object (mm/kmemleak.c:751) 
[ 31.211574][ T292] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.211749][ T292] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.211891][ T292] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.212068][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.212301][ T292] ? 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) 
[ 31.212468][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.212600][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.212769][ T292] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.212940][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.213123][ T292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.213361][ T292] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.213544][ T292] ? 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) 
[ 31.213714][ T292] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.213886][ T292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.214054][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.214246][ T292] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.214416][ T292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.214581][ T292] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.214751][ T292] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.214934][ T292] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.215107][ T292] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.215284][ T292] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.215490][ T292] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.215672][ T292] ___sys_sendmsg (net/socket.c:2653) 
[ 31.215841][ T292] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.216008][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.216197][ T292] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.216373][ T292] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.216582][ T292] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.216751][ T292] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.216926][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.217140][ T292] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.217326][ T292] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.217493][ T292] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.217658][ T292] ? __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) 
[ 31.217888][ T292] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.218059][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.218291][  T292] RIP: 0033:0x7f985362f7b7
[ 31.218469][ T292] 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)
[   31.219072][  T292] RSP: 002b:00007ffe00be56f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.219376][  T292] RAX: ffffffffffffffda RBX: 00007ffe00be5e20 RCX: 00007f985362f7b7
[   31.219648][  T292] RDX: 0000000000000000 RSI: 00007ffe00be5760 RDI: 0000000000000005
[   31.219898][  T292] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.220164][  T292] R10: 000000002eed0910 R11: 0000000000000246 R12: 0000000000000004
[   31.220479][  T292] R13: 0000000066bea774 R14: 0000000000496600 R15: 0000000000000000
| [   31.223292][  T292] 1 lock held by ip/292:
| [ 31.223487][ T292] #0: ffffffff9c1bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.223827][  T292]
| [   31.223827][  T292] stack backtrace:
[   31.224334][  T292] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.224718][  T292] Call Trace:
[   31.224860][  T292]  <TASK>
[ 31.224950][ T292] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.225125][ T292] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.225322][ T292] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.225591][ T292] 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
[ 31.225849][ T292] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.226050][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.226290][ T292] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.226494][ T292] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.226675][ T292] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.226915][ T292] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.227084][ T292] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.227277][ T292] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.227446][ T292] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.227625][ T292] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.227795][ T292] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.227974][ T292] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.228143][ T292] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.228442][ T292] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.228621][ T292] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.228792][ T292] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.228956][ T292] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.229127][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.229270][ T292] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.229468][ T292] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.229641][ T292] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.229831][ T292] ? 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) 
[ 31.230002][ T292] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.230207][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.230440][ T292] ? __create_object (mm/kmemleak.c:751) 
[ 31.230622][ T292] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.230803][ T292] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.230930][ T292] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.231117][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.231301][ T292] ? 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) 
[ 31.231491][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.231637][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.231811][ T292] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.231998][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.232197][ T292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.232408][ T292] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.232576][ T292] ? 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) 
[ 31.232766][ T292] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.232935][ T292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.233115][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.233302][ T292] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.233476][ T292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.233640][ T292] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.233810][ T292] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.233985][ T292] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.234160][ T292] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.234346][ T292] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.234552][ T292] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.234728][ T292] ___sys_sendmsg (net/socket.c:2653) 
[ 31.234899][ T292] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.235066][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.235246][ T292] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.235408][ T292] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.235625][ T292] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.235791][ T292] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.235964][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.236175][ T292] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.236390][ T292] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.236559][ T292] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.236725][ T292] ? __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) 
[ 31.236910][ T292] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.237086][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.237302][  T292] RIP: 0033:0x7f985362f7b7
[ 31.237477][ T292] 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)
[   31.238246][  T292] RSP: 002b:00007ffe00be56f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.238506][  T292] RAX: ffffffffffffffda RBX: 00007ffe00be5e20 RCX: 00007f985362f7b7
[   31.238871][  T292] RDX: 0000000000000000 RSI: 00007ffe00be5760 RDI: 0000000000000005
[   31.239137][  T292] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.239422][  T292] R10: 000000002eed0910 R11: 0000000000000246 R12: 0000000000000004
[   31.239775][  T292] R13: 0000000066bea774 R14: 0000000000496600 R15: 0000000000000000
| [   31.242280][  T292] 1 lock held by ip/292:
| [ 31.242466][ T292] #0: ffffffff9c1bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.242792][  T292]
| [   31.242792][  T292] stack backtrace:
[   31.243401][  T292] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.243798][  T292] Call Trace:
[   31.243928][  T292]  <TASK>
[ 31.244016][ T292] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.244219][ T292] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.244442][ T292] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.244686][ T292] 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
[ 31.245026][ T292] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.245232][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.245436][ T292] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.245742][ T292] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.245919][ T292] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.246130][ T292] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.246316][ T292] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.246599][ T292] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.246764][ T292] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.246941][ T292] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.247108][ T292] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.247292][ T292] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.247575][ T292] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.247780][ T292] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.247972][ T292] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.248136][ T292] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.248330][ T292] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.248496][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.248644][ T292] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.248826][ T292] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.248998][ T292] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.249168][ T292] ? 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) 
[ 31.249361][ T292] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.249534][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.249849][ T292] ? __create_object (mm/kmemleak.c:751) 
[ 31.250040][ T292] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.250238][ T292] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.250367][ T292] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.250535][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.250807][ T292] ? 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) 
[ 31.250986][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.251121][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.251310][ T292] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.251588][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.251755][ T292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.251951][ T292] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.252115][ T292] ? 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) 
[ 31.252455][ T292] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.252628][ T292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.252800][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.252970][ T292] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.253140][ T292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.253314][ T292] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.253481][ T292] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.253653][ T292] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.253830][ T292] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.254090][ T292] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.254310][ T292] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.254486][ T292] ___sys_sendmsg (net/socket.c:2653) 
[ 31.254653][ T292] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.254913][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.255082][ T292] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.255257][ T292] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.255460][ T292] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.255721][ T292] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.255896][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.256102][ T292] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.256290][ T292] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.256576][ T292] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.256739][ T292] ? __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) 
[ 31.256924][ T292] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.257090][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.257309][  T292] RIP: 0033:0x7f985362f7b7
[ 31.257490][ T292] 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)
[   31.258057][  T292] RSP: 002b:00007ffe00be56f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.258322][  T292] RAX: ffffffffffffffda RBX: 00007ffe00be5e20 RCX: 00007f985362f7b7
[   31.258573][  T292] RDX: 0000000000000000 RSI: 00007ffe00be5760 RDI: 0000000000000005
[   31.258921][  T292] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.259177][  T292] R10: 000000002eed0910 R11: 0000000000000246 R12: 0000000000000004


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