======================================
| [   28.122039][  T267] 1 lock held by ip/267:
| [ 28.122162][ T267] #0: ffffffff9efbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   28.123493][  T267]
| [   28.123493][  T267] stack backtrace:
[   28.123956][  T267] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   28.124325][  T267] Call Trace:
[   28.124463][  T267]  <TASK>
[ 28.124553][ T267] dump_stack_lvl (lib/dump_stack.c:122) 
[ 28.124847][ T267] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 28.125017][ T267] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 28.125299][ T267] 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
[ 28.125543][ T267] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 28.125741][ T267] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 28.125950][ T267] br_add_if (net/bridge/br_if.c:692) bridge
[ 28.126158][ T267] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 28.126331][ T267] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 28.126541][ T267] do_setlink (net/core/rtnetlink.c:2907) 
[ 28.126714][ T267] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 28.126886][ T267] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 28.127055][ T267] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 28.127219][ T267] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 28.127387][ T267] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.127561][ T267] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 28.127730][ T267] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 28.127942][ T267] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 28.128123][ T267] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 28.128290][ T267] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 28.128458][ T267] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 28.128748][ T267] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 28.128878][ T267] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 28.129052][ T267] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 28.129230][ T267] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 28.129406][ T267] ? 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) 
[ 28.129574][ T267] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 28.129744][ T267] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 28.129953][ T267] ? __create_object (mm/kmemleak.c:751) 
[ 28.130127][ T267] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 28.130300][ T267] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 28.130429][ T267] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 28.130602][ T267] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 28.130777][ T267] ? 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) 
[ 28.130943][ T267] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 28.131073][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 28.131240][ T267] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 28.131407][ T267] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 28.131577][ T267] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 28.131761][ T267] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 28.131927][ T267] ? 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) 
[ 28.132097][ T267] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 28.132274][ T267] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 28.132441][ T267] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 28.132611][ T267] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 28.132783][ T267] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 28.132950][ T267] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 28.133123][ T267] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 28.133311][ T267] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 28.133483][ T267] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 28.133654][ T267] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 28.133924][ T267] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 28.134103][ T267] ___sys_sendmsg (net/socket.c:2653) 
[ 28.134281][ T267] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 28.134465][ T267] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 28.134639][ T267] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 28.134803][ T267] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 28.135014][ T267] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 28.135190][ T267] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 28.135365][ T267] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 28.135575][ T267] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 28.135755][ T267] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 28.135924][ T267] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 28.136091][ T267] ? __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) 
[ 28.136279][ T267] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 28.136452][ T267] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.136671][  T267] RIP: 0033:0x7f18c30317b7
[ 28.136844][ T267] 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)
[   28.137416][  T267] RSP: 002b:00007ffdc1464468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.137665][  T267] RAX: ffffffffffffffda RBX: 00007ffdc1464b90 RCX: 00007f18c30317b7
[   28.137916][  T267] RDX: 0000000000000000 RSI: 00007ffdc14644d0 RDI: 0000000000000005
[   28.138164][  T267] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.138411][  T267] R10: 0000000030770910 R11: 0000000000000246 R12: 0000000000000004
[   28.138668][  T267] R13: 0000000066bea7cd R14: 0000000000496600 R15: 0000000000000000
| [   28.140689][  T267] 1 lock held by ip/267:
| [ 28.140820][ T267] #0: ffffffff9efbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   28.141126][  T267]
| [   28.141126][  T267] stack backtrace:
[   28.141591][  T267] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   28.141963][  T267] Call Trace:
[   28.142090][  T267]  <TASK>
[ 28.142179][ T267] dump_stack_lvl (lib/dump_stack.c:122) 
[ 28.142362][ T267] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 28.142534][ T267] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 28.142784][ T267] 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
[ 28.143029][ T267] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 28.143225][ T267] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 28.143438][ T267] br_add_if (net/bridge/br_if.c:692) bridge
[ 28.143636][ T267] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 28.143807][ T267] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 28.144029][ T267] do_setlink (net/core/rtnetlink.c:2907) 
[ 28.144200][ T267] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 28.144379][ T267] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 28.144549][ T267] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 28.144723][ T267] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 28.144896][ T267] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.145061][ T267] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 28.145226][ T267] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 28.145444][ T267] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 28.145626][ T267] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 28.145793][ T267] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 28.145961][ T267] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 28.146128][ T267] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 28.146257][ T267] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 28.146431][ T267] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 28.146604][ T267] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 28.146780][ T267] ? 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) 
[ 28.146951][ T267] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 28.147123][ T267] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 28.147330][ T267] ? __create_object (mm/kmemleak.c:751) 
[ 28.147498][ T267] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 28.147670][ T267] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 28.147955][ T267] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 28.148121][ T267] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 28.148287][ T267] ? 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) 
[ 28.148556][ T267] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 28.148691][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 28.148964][ T267] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 28.149131][ T267] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 28.149301][ T267] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 28.149484][ T267] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 28.149651][ T267] ? 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) 
[ 28.149822][ T267] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 28.149996][ T267] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 28.150163][ T267] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 28.150428][ T267] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 28.150601][ T267] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 28.150766][ T267] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 28.151038][ T267] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 28.151213][ T267] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 28.151383][ T267] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 28.151552][ T267] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 28.151758][ T267] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 28.151937][ T267] ___sys_sendmsg (net/socket.c:2653) 
[ 28.152201][ T267] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 28.152471][ T267] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 28.152652][ T267] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 28.152836][ T267] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 28.153154][ T267] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 28.153338][ T267] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 28.153524][ T267] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 28.153848][ T267] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 28.154129][ T267] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 28.154320][ T267] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 28.154502][ T267] ? __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) 
[ 28.154702][ T267] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 28.154983][ T267] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.155210][  T267] RIP: 0033:0x7f18c30317b7
[ 28.155401][ T267] 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)
[   28.156133][  T267] RSP: 002b:00007ffdc1464468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.156508][  T267] RAX: ffffffffffffffda RBX: 00007ffdc1464b90 RCX: 00007f18c30317b7
[   28.156784][  T267] RDX: 0000000000000000 RSI: 00007ffdc14644d0 RDI: 0000000000000005
[   28.157050][  T267] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.157349][  T267] R10: 0000000030770910 R11: 0000000000000246 R12: 0000000000000004
[   28.157817][  T267] R13: 0000000066bea7cd R14: 0000000000496600 R15: 0000000000000000
| [   28.160183][  T267] 1 lock held by ip/267:
| [ 28.160335][ T267] #0: ffffffff9efbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   28.160667][  T267]
| [   28.160667][  T267] stack backtrace:
[   28.161357][  T267] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   28.161746][  T267] Call Trace:
[   28.161884][  T267]  <TASK>
[ 28.162075][ T267] dump_stack_lvl (lib/dump_stack.c:122) 
[ 28.162265][ T267] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 28.162447][ T267] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 28.162714][ T267] 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
[ 28.163077][ T267] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 28.163292][ T267] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 28.163520][ T267] br_add_if (net/bridge/br_if.c:692) bridge
[ 28.163742][ T267] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 28.164017][ T267] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 28.164245][ T267] do_setlink (net/core/rtnetlink.c:2907) 
[ 28.164437][ T267] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 28.164621][ T267] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 28.164894][ T267] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 28.165073][ T267] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 28.165255][ T267] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.165438][ T267] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 28.165714][ T267] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 28.165938][ T267] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 28.166131][ T267] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 28.166311][ T267] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 28.166589][ T267] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 28.166768][ T267] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 28.166908][ T267] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 28.167091][ T267] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 28.167278][ T267] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 28.167577][ T267] ? 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) 
[ 28.167763][ T267] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 28.167949][ T267] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 28.168175][ T267] ? __create_object (mm/kmemleak.c:751) 
[ 28.168460][ T267] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 28.168646][ T267] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 28.168784][ T267] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 28.168965][ T267] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 28.169147][ T267] ? 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) 
[ 28.169327][ T267] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 28.169468][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 28.169749][ T267] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 28.169932][ T267] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 28.170216][ T267] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 28.170414][ T267] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 28.170597][ T267] ? 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) 
[ 28.170780][ T267] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 28.170963][ T267] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 28.171142][ T267] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 28.171326][ T267] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 28.171721][ T267] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 28.171913][ T267] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 28.172099][ T267] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 28.172292][ T267] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 28.172582][ T267] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 28.172763][ T267] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 28.172980][ T267] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 28.173173][ T267] ___sys_sendmsg (net/socket.c:2653) 
[ 28.173352][ T267] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 28.173639][ T267] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 28.173823][ T267] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 28.174000][ T267] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 28.174222][ T267] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 28.174513][ T267] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 28.174704][ T267] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 28.174952][ T267] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 28.175143][ T267] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 28.175419][ T267] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 28.175601][ T267] ? __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) 
[ 28.175812][ T267] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 28.176096][ T267] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.176322][  T267] RIP: 0033:0x7f18c30317b7
[ 28.176519][ T267] 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)
[   28.177241][  T267] RSP: 002b:00007ffdc1464468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.177623][  T267] RAX: ffffffffffffffda RBX: 00007ffdc1464b90 RCX: 00007f18c30317b7
[   28.177889][  T267] RDX: 0000000000000000 RSI: 00007ffdc14644d0 RDI: 0000000000000005
[   28.178163][  T267] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.178526][  T267] R10: 0000000030770910 R11: 0000000000000246 R12: 0000000000000004


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