======================================
| [   31.303112][  T289] 1 lock held by ip/289:
| [ 31.303250][ T289] #0: ffffffffa55bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.303683][  T289]
| [   31.303683][  T289] stack backtrace:
[   31.304230][  T289] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.304593][  T289] Call Trace:
[   31.304724][  T289]  <TASK>
[ 31.304812][ T289] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.304997][ T289] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.305165][ T289] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.305476][ T289] 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
[ 31.305940][ T289] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.306143][ T289] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.306351][ T289] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.306556][ T289] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.306742][ T289] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.306958][ T289] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.307131][ T289] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.307306][ T289] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.307473][ T289] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.307642][ T289] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.307816][ T289] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.307989][ T289] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.308169][ T289] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.308384][ T289] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.308563][ T289] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.308731][ T289] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.308901][ T289] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.309071][ T289] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.309201][ T289] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.309380][ T289] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.309561][ T289] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.309740][ T289] ? 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) 
[ 31.309910][ T289] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.310080][ T289] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.310300][ T289] ? __create_object (mm/kmemleak.c:751) 
[ 31.310470][ T289] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.310650][ T289] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.310779][ T289] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.310951][ T289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.311129][ T289] ? 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) 
[ 31.311299][ T289] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.311429][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.311602][ T289] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.311768][ T289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.311944][ T289] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.312127][ T289] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.312292][ T289] ? 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) 
[ 31.312473][ T289] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.312641][ T289] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.312809][ T289] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.312988][ T289] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.313155][ T289] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.313318][ T289] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.313489][ T289] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.313666][ T289] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.313839][ T289] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.314004][ T289] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.314211][ T289] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.314386][ T289] ___sys_sendmsg (net/socket.c:2653) 
[ 31.314564][ T289] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.314730][ T289] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.314898][ T289] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.315061][ T289] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.315289][ T289] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.315458][ T289] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.315628][ T289] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.315837][ T289] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.316009][ T289] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.316174][ T289] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.316379][ T289] ? __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) 
[ 31.316576][ T289] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.316753][ T289] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.316968][  T289] RIP: 0033:0x7f627c0d37b7
[ 31.317154][ T289] 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)
[   31.317746][  T289] RSP: 002b:00007ffd2d3baac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.318133][  T289] RAX: ffffffffffffffda RBX: 00007ffd2d3bb1f0 RCX: 00007f627c0d37b7
[   31.318389][  T289] RDX: 0000000000000000 RSI: 00007ffd2d3bab30 RDI: 0000000000000005
[   31.318636][  T289] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.318886][  T289] R10: 0000000006b1c910 R11: 0000000000000246 R12: 0000000000000004
[   31.319132][  T289] R13: 0000000066bea773 R14: 0000000000496600 R15: 0000000000000000
| [   31.321406][  T289] 1 lock held by ip/289:
| [ 31.321572][ T289] #0: ffffffffa55bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.321880][  T289]
| [   31.321880][  T289] stack backtrace:
[   31.322348][  T289] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.322722][  T289] Call Trace:
[   31.322851][  T289]  <TASK>
[ 31.322943][ T289] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.323116][ T289] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.323287][ T289] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.323560][ T289] 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
[ 31.323808][ T289] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.324012][ T289] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.324227][ T289] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.324431][ T289] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.324607][ T289] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.324826][ T289] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.325006][ T289] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.325187][ T289] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.325366][ T289] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.325533][ T289] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.325706][ T289] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.325873][ T289] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.326042][ T289] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.326260][ T289] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.326441][ T289] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.326611][ T289] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.326779][ T289] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.326958][ T289] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.327092][ T289] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.327266][ T289] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.327441][ T289] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.327615][ T289] ? 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) 
[ 31.327808][ T289] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.327980][ T289] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.328194][ T289] ? __create_object (mm/kmemleak.c:751) 
[ 31.328366][ T289] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.328545][ T289] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.328679][ T289] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.328847][ T289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.329020][ T289] ? 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) 
[ 31.329189][ T289] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.329322][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.329501][ T289] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.329667][ T289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.329838][ T289] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.330022][ T289] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.330193][ T289] ? 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) 
[ 31.330363][ T289] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.330544][ T289] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.330713][ T289] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.330893][ T289] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.331062][ T289] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.331226][ T289] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.331401][ T289] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.331578][ T289] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.331748][ T289] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.331919][ T289] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.332128][ T289] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.332491][ T289] ___sys_sendmsg (net/socket.c:2653) 
[ 31.332661][ T289] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.332833][ T289] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.333001][ T289] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.333261][ T289] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.333470][ T289] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.333642][ T289] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.333813][ T289] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.334114][ T289] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.334288][ T289] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.334454][ T289] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.334620][ T289] ? __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) 
[ 31.334904][ T289] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.335076][ T289] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.335300][  T289] RIP: 0033:0x7f627c0d37b7
[ 31.335478][ T289] 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)
[   31.336160][  T289] RSP: 002b:00007ffd2d3baac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.336509][  T289] RAX: ffffffffffffffda RBX: 00007ffd2d3bb1f0 RCX: 00007f627c0d37b7
[   31.336764][  T289] RDX: 0000000000000000 RSI: 00007ffd2d3bab30 RDI: 0000000000000005
[   31.337010][  T289] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.337263][  T289] R10: 0000000006b1c910 R11: 0000000000000246 R12: 0000000000000004
[   31.337509][  T289] R13: 0000000066bea773 R14: 0000000000496600 R15: 0000000000000000
| [   31.339861][  T289] 1 lock held by ip/289:
| [ 31.339987][ T289] #0: ffffffffa55bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.340291][  T289]
| [   31.340291][  T289] stack backtrace:
[   31.340842][  T289] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.341211][  T289] Call Trace:
[   31.341343][  T289]  <TASK>
[ 31.341432][ T289] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.341603][ T289] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.341767][ T289] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.342109][ T289] 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
[ 31.342354][ T289] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.342549][ T289] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.342759][ T289] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.343054][ T289] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.343224][ T289] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.343440][ T289] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.343606][ T289] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.343873][ T289] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.344049][ T289] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.344219][ T289] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.344387][ T289] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.344655][ T289] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.344821][ T289] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.345030][ T289] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.345523][ T289] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.345690][ T289] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.345860][ T289] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.346028][ T289] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.346157][ T289] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.346329][ T289] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.346500][ T289] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.346676][ T289] ? 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) 
[ 31.346843][ T289] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.347015][ T289] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.347320][ T289] ? __create_object (mm/kmemleak.c:751) 
[ 31.347492][ T289] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.347664][ T289] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.347796][ T289] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.348064][ T289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.348230][ T289] ? 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) 
[ 31.348394][ T289] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.348525][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.348791][ T289] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.348963][ T289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.349134][ T289] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.349316][ T289] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.349484][ T289] ? 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) 
[ 31.349753][ T289] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.349922][ T289] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.350089][ T289] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.350263][ T289] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.350532][ T289] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.350695][ T289] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.350864][ T289] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.351042][ T289] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.351217][ T289] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.351380][ T289] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.351587][ T289] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.351769][ T289] ___sys_sendmsg (net/socket.c:2653) 
[ 31.352036][ T289] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.352202][ T289] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.352370][ T289] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.352533][ T289] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.352838][ T289] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.353007][ T289] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.353178][ T289] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.353389][ T289] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.353664][ T289] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.353829][ T289] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.353997][ T289] ? __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) 
[ 31.354183][ T289] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.354350][ T289] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.354558][  T289] RIP: 0033:0x7f627c0d37b7
[ 31.354731][ T289] 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)
[   31.355442][  T289] RSP: 002b:00007ffd2d3baac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.355692][  T289] RAX: ffffffffffffffda RBX: 00007ffd2d3bb1f0 RCX: 00007f627c0d37b7
[   31.356036][  T289] RDX: 0000000000000000 RSI: 00007ffd2d3bab30 RDI: 0000000000000005
[   31.356289][  T289] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.356545][  T289] R10: 0000000006b1c910 R11: 0000000000000246 R12: 0000000000000004


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