======================================
| [   28.435194][  T269] 1 lock held by ip/269:
| [ 28.435332][ T269] #0: ffffffff973bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   28.435743][  T269]
| [   28.435743][  T269] stack backtrace:
[   28.436216][  T269] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   28.436594][  T269] Call Trace:
[   28.436737][  T269]  <TASK>
[ 28.436837][ T269] dump_stack_lvl (lib/dump_stack.c:122) 
[ 28.437014][ T269] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 28.437188][ T269] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 28.437482][ T269] 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
[ 28.437742][ T269] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 28.437949][ T269] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 28.438435][ T269] br_add_if (net/bridge/br_if.c:692) bridge
[ 28.438647][ T269] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 28.438838][ T269] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 28.439068][ T269] do_setlink (net/core/rtnetlink.c:2907) 
[ 28.439251][ T269] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 28.439429][ T269] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 28.439605][ T269] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 28.439774][ T269] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 28.439948][ T269] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.440118][ T269] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 28.440293][ T269] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 28.440502][ T269] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 28.440686][ T269] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 28.440853][ T269] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 28.441021][ T269] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 28.441195][ T269] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 28.441334][ T269] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 28.441512][ T269] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 28.441692][ T269] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 28.441873][ T269] ? 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) 
[ 28.442045][ T269] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 28.442221][ T269] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 28.442432][ T269] ? __create_object (mm/kmemleak.c:751) 
[ 28.442605][ T269] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 28.442783][ T269] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 28.442917][ T269] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 28.443096][ T269] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 28.443266][ T269] ? 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) 
[ 28.443433][ T269] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 28.443569][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 28.443743][ T269] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 28.443917][ T269] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 28.444090][ T269] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 28.444277][ T269] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 28.444455][ T269] ? 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) 
[ 28.444632][ T269] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 28.444808][ T269] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 28.444984][ T269] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 28.445163][ T269] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 28.445338][ T269] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 28.445506][ T269] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 28.445677][ T269] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 28.445863][ T269] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 28.446042][ T269] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 28.446214][ T269] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 28.446425][ T269] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 28.446610][ T269] ___sys_sendmsg (net/socket.c:2653) 
[ 28.446785][ T269] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 28.446972][ T269] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 28.447160][ T269] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 28.447351][ T269] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 28.447570][ T269] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 28.447742][ T269] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 28.447924][ T269] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 28.448141][ T269] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 28.448319][ T269] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 28.448495][ T269] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 28.448668][ T269] ? __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) 
[ 28.448892][ T269] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 28.449066][ T269] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.449275][  T269] RIP: 0033:0x7f04e6ab87b7
[ 28.449461][ T269] 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)
[   28.450055][  T269] RSP: 002b:00007ffd83d8eba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.450313][  T269] RAX: ffffffffffffffda RBX: 00007ffd83d8f2d0 RCX: 00007f04e6ab87b7
[   28.450569][  T269] RDX: 0000000000000000 RSI: 00007ffd83d8ec10 RDI: 0000000000000005
[   28.450843][  T269] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.451103][  T269] R10: 000000001d9d1910 R11: 0000000000000246 R12: 0000000000000004
[   28.451360][  T269] R13: 0000000066bea254 R14: 0000000000496600 R15: 0000000000000000
| [   28.453627][  T269] 1 lock held by ip/269:
| [ 28.453786][ T269] #0: ffffffff973bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   28.454142][  T269]
| [   28.454142][  T269] stack backtrace:
[   28.454632][  T269] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   28.455009][  T269] Call Trace:
[   28.455140][  T269]  <TASK>
[ 28.455240][ T269] dump_stack_lvl (lib/dump_stack.c:122) 
[ 28.455424][ T269] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 28.455609][ T269] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 28.455880][ T269] 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
[ 28.456133][ T269] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 28.456331][ T269] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 28.456548][ T269] br_add_if (net/bridge/br_if.c:692) bridge
[ 28.456763][ T269] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 28.456932][ T269] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 28.457157][ T269] do_setlink (net/core/rtnetlink.c:2907) 
[ 28.457329][ T269] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 28.457501][ T269] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 28.457671][ T269] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 28.457845][ T269] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 28.458026][ T269] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.458204][ T269] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 28.458374][ T269] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 28.458596][ T269] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 28.458782][ T269] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 28.458970][ T269] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 28.459137][ T269] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 28.459313][ T269] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 28.459445][ T269] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 28.459622][ T269] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 28.459796][ T269] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 28.459974][ T269] ? 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) 
[ 28.460145][ T269] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 28.460321][ T269] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 28.460527][ T269] ? __create_object (mm/kmemleak.c:751) 
[ 28.460701][ T269] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 28.460874][ T269] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 28.461007][ T269] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 28.461178][ T269] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 28.461349][ T269] ? 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) 
[ 28.461524][ T269] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 28.461660][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 28.461838][ T269] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 28.462012][ T269] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 28.462185][ T269] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 28.462368][ T269] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 28.462540][ T269] ? 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) 
[ 28.462709][ T269] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 28.462886][ T269] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 28.463056][ T269] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 28.463237][ T269] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 28.463411][ T269] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 28.463578][ T269] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 28.463750][ T269] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 28.463930][ T269] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 28.464111][ T269] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 28.464290][ T269] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 28.464500][ T269] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 28.464684][ T269] ___sys_sendmsg (net/socket.c:2653) 
[ 28.464853][ T269] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 28.465022][ T269] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 28.465199][ T269] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 28.465368][ T269] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 28.465585][ T269] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 28.465771][ T269] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 28.465947][ T269] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 28.466160][ T269] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 28.466336][ T269] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 28.466512][ T269] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 28.466680][ T269] ? __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) 
[ 28.466883][ T269] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 28.467063][ T269] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.467288][  T269] RIP: 0033:0x7f04e6ab87b7
[ 28.467474][ T269] 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)
[   28.468072][  T269] RSP: 002b:00007ffd83d8eba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.468333][  T269] RAX: ffffffffffffffda RBX: 00007ffd83d8f2d0 RCX: 00007f04e6ab87b7
[   28.468595][  T269] RDX: 0000000000000000 RSI: 00007ffd83d8ec10 RDI: 0000000000000005
[   28.468883][  T269] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.469139][  T269] R10: 000000001d9d1910 R11: 0000000000000246 R12: 0000000000000004
[   28.469407][  T269] R13: 0000000066bea254 R14: 0000000000496600 R15: 0000000000000000
| [   28.471851][  T269] 1 lock held by ip/269:
| [ 28.471993][ T269] #0: ffffffff973bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   28.472325][  T269]
| [   28.472325][  T269] stack backtrace:
[   28.472993][  T269] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   28.473500][  T269] Call Trace:
[   28.473638][  T269]  <TASK>
[ 28.473740][ T269] dump_stack_lvl (lib/dump_stack.c:122) 
[ 28.473926][ T269] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 28.474107][ T269] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 28.474478][ T269] 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
[ 28.474750][ T269] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 28.474964][ T269] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 28.475189][ T269] br_add_if (net/bridge/br_if.c:692) bridge
[ 28.475510][ T269] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 28.475690][ T269] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 28.475921][ T269] do_setlink (net/core/rtnetlink.c:2907) 
[ 28.476098][ T269] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 28.476374][ T269] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 28.476550][ T269] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 28.476721][ T269] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 28.476895][ T269] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.477160][ T269] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 28.477328][ T269] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 28.477539][ T269] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 28.477757][ T269] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 28.478024][ T269] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 28.478196][ T269] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 28.478368][ T269] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 28.478507][ T269] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 28.478776][ T269] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 28.478967][ T269] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 28.479146][ T269] ? 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) 
[ 28.479328][ T269] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 28.479521][ T269] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 28.479846][ T269] ? __create_object (mm/kmemleak.c:751) 
[ 28.480026][ T269] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 28.480200][ T269] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 28.480328][ T269] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 28.480498][ T269] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 28.480665][ T269] ? 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) 
[ 28.480831][ T269] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 28.480968][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 28.481259][ T269] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 28.481429][ T269] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 28.481603][ T269] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 28.481787][ T269] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 28.481974][ T269] ? 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) 
[ 28.482142][ T269] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 28.482316][ T269] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 28.482494][ T269] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 28.482675][ T269] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 28.482949][ T269] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 28.483113][ T269] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 28.483290][ T269] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 28.483464][ T269] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 28.483752][ T269] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 28.483920][ T269] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 28.484137][ T269] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 28.484336][ T269] ___sys_sendmsg (net/socket.c:2653) 
[ 28.484603][ T269] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 28.484772][ T269] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 28.484972][ T269] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 28.485158][ T269] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 28.485475][ T269] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 28.485645][ T269] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 28.485823][ T269] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 28.486046][ T269] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 28.486333][ T269] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 28.486508][ T269] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 28.486673][ T269] ? __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) 
[ 28.486873][ T269] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 28.487142][ T269] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.487368][  T269] RIP: 0033:0x7f04e6ab87b7
[ 28.487559][ T269] 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)
[   28.488252][  T269] RSP: 002b:00007ffd83d8eba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.488506][  T269] RAX: ffffffffffffffda RBX: 00007ffd83d8f2d0 RCX: 00007f04e6ab87b7
[   28.488880][  T269] RDX: 0000000000000000 RSI: 00007ffd83d8ec10 RDI: 0000000000000005
[   28.489143][  T269] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.489389][  T269] R10: 000000001d9d1910 R11: 0000000000000246 R12: 0000000000000004


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