======================================
| [   36.550497][  T332] 1 lock held by ip/332:
| [ 36.550629][ T332] #0: ffffffff905bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   36.550944][  T332]
| [   36.550944][  T332] stack backtrace:
[   36.551419][  T332] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   36.551792][  T332] Call Trace:
[   36.551927][  T332]  <TASK>
[ 36.552017][ T332] dump_stack_lvl (lib/dump_stack.c:122) 
[ 36.552197][ T332] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 36.552376][ T332] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 36.552663][ T332] 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
[ 36.552923][ T332] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 36.553125][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.553345][ T332] br_add_if (net/bridge/br_if.c:692) bridge
[ 36.553546][ T332] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 36.553718][ T332] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 36.553940][ T332] do_setlink (net/core/rtnetlink.c:2907) 
[ 36.554110][ T332] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 36.554281][ T332] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 36.554455][ T332] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 36.554632][ T332] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.554815][ T332] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.554984][ T332] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 36.555156][ T332] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 36.555379][ T332] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 36.555564][ T332] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 36.555744][ T332] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 36.555913][ T332] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 36.556089][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.556227][ T332] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 36.556405][ T332] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 36.556581][ T332] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 36.556773][ T332] ? 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) 
[ 36.556952][ T332] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 36.557127][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.557338][ T332] ? __create_object (mm/kmemleak.c:751) 
[ 36.557510][ T332] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 36.557716][ T332] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 36.557847][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 36.558035][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.558213][ T332] ? 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) 
[ 36.558380][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.558516][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 36.558696][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 36.558868][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.559038][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 36.559227][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 36.559402][ T332] ? 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) 
[ 36.559579][ T332] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 36.559757][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 36.559930][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.560105][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 36.560283][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 36.560452][ T332] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 36.560628][ T332] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 36.560811][ T332] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 36.560986][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 36.561161][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 36.561373][ T332] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 36.561557][ T332] ___sys_sendmsg (net/socket.c:2653) 
[ 36.561740][ T332] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 36.561912][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.562083][ T332] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 36.562254][ T332] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 36.562467][ T332] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 36.562668][ T332] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 36.562851][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.563065][ T332] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 36.563244][ T332] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 36.563413][ T332] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 36.563582][ T332] ? __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) 
[ 36.563777][ T332] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 36.563954][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.564165][  T332] RIP: 0033:0x7fb50ff8d7b7
[ 36.564344][ T332] 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)
[   36.564949][  T332] RSP: 002b:00007fff1d3e46b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.565217][  T332] RAX: ffffffffffffffda RBX: 00007fff1d3e4de0 RCX: 00007fb50ff8d7b7
[   36.565474][  T332] RDX: 0000000000000000 RSI: 00007fff1d3e4720 RDI: 0000000000000005
[   36.565730][  T332] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.565989][  T332] R10: 000000000e44e910 R11: 0000000000000246 R12: 0000000000000004
[   36.566241][  T332] R13: 0000000066bea053 R14: 0000000000496600 R15: 0000000000000000
| [   36.569060][  T332] 1 lock held by ip/332:
| [ 36.569194][ T332] #0: ffffffff905bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   36.569517][  T332]
| [   36.569517][  T332] stack backtrace:
[   36.570074][  T332] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   36.570473][  T332] Call Trace:
[   36.570618][  T332]  <TASK>
[ 36.570728][ T332] dump_stack_lvl (lib/dump_stack.c:122) 
[ 36.570911][ T332] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 36.571126][ T332] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 36.571386][ T332] 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
[ 36.571643][ T332] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 36.571847][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.572061][ T332] br_add_if (net/bridge/br_if.c:692) bridge
[ 36.572289][ T332] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 36.572466][ T332] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 36.572741][ T332] do_setlink (net/core/rtnetlink.c:2907) 
[ 36.572936][ T332] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 36.573120][ T332] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 36.573301][ T332] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 36.573492][ T332] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.573680][ T332] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.573850][ T332] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 36.574020][ T332] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 36.574228][ T332] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 36.574412][ T332] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 36.574605][ T332] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 36.574813][ T332] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 36.574984][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.575122][ T332] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 36.575316][ T332] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 36.575494][ T332] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 36.575699][ T332] ? 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) 
[ 36.575888][ T332] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 36.576073][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.576311][ T332] ? __create_object (mm/kmemleak.c:751) 
[ 36.576485][ T332] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 36.576706][ T332] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 36.576853][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 36.577044][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.577212][ T332] ? 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) 
[ 36.577378][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.577515][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 36.577721][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 36.577916][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.578104][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 36.578317][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 36.578489][ T332] ? 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) 
[ 36.578666][ T332] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 36.578841][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 36.579009][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.579190][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 36.579372][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 36.579539][ T332] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 36.579717][ T332] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 36.579893][ T332] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 36.580068][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 36.580234][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 36.580441][ T332] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 36.580629][ T332] ___sys_sendmsg (net/socket.c:2653) 
[ 36.580805][ T332] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 36.580974][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.581143][ T332] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 36.581307][ T332] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 36.581519][ T332] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 36.581693][ T332] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 36.581868][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.582083][ T332] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 36.582261][ T332] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 36.582428][ T332] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 36.582594][ T332] ? __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) 
[ 36.582812][ T332] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 36.582985][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.583196][  T332] RIP: 0033:0x7fb50ff8d7b7
[ 36.583401][ T332] 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)
[   36.584034][  T332] RSP: 002b:00007fff1d3e46b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.584289][  T332] RAX: ffffffffffffffda RBX: 00007fff1d3e4de0 RCX: 00007fb50ff8d7b7
[   36.584542][  T332] RDX: 0000000000000000 RSI: 00007fff1d3e4720 RDI: 0000000000000005
[   36.585048][  T332] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.585318][  T332] R10: 000000000e44e910 R11: 0000000000000246 R12: 0000000000000004
[   36.585686][  T332] R13: 0000000066bea053 R14: 0000000000496600 R15: 0000000000000000
| [   36.588136][  T332] 1 lock held by ip/332:
| [ 36.588410][ T332] #0: ffffffff905bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   36.588749][  T332]
| [   36.588749][  T332] stack backtrace:
[   36.589275][  T332] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   36.589677][  T332] Call Trace:
[   36.589807][  T332]  <TASK>
[ 36.589918][ T332] dump_stack_lvl (lib/dump_stack.c:122) 
[ 36.590209][ T332] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 36.590379][ T332] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 36.590636][ T332] 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
[ 36.590881][ T332] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 36.591175][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.591390][ T332] br_add_if (net/bridge/br_if.c:692) bridge
[ 36.591595][ T332] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 36.591767][ T332] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 36.592172][ T332] do_setlink (net/core/rtnetlink.c:2907) 
[ 36.592344][ T332] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 36.592516][ T332] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 36.592721][ T332] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 36.592991][ T332] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.593169][ T332] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.593342][ T332] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 36.593510][ T332] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 36.593820][ T332] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 36.594007][ T332] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 36.594174][ T332] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 36.594349][ T332] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 36.594631][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.594773][ T332] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 36.594950][ T332] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 36.595124][ T332] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 36.595299][ T332] ? 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) 
[ 36.595567][ T332] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 36.595744][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.595954][ T332] ? __create_object (mm/kmemleak.c:751) 
[ 36.596127][ T332] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 36.596408][ T332] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 36.596538][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 36.596717][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.596885][ T332] ? 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) 
[ 36.597054][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.597187][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 36.597359][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 36.597529][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.597733][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 36.598028][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 36.598200][ T332] ? 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) 
[ 36.598371][ T332] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 36.598546][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 36.598818][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.598992][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 36.599175][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 36.599350][ T332] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 36.599627][ T332] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 36.599807][ T332] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 36.599982][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 36.600153][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 36.600464][ T332] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 36.600648][ T332] ___sys_sendmsg (net/socket.c:2653) 
[ 36.600821][ T332] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 36.601001][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.601268][ T332] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 36.601434][ T332] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 36.601652][ T332] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 36.601825][ T332] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 36.602099][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.602309][ T332] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 36.602485][ T332] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 36.602691][ T332] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 36.602955][ T332] ? __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) 
[ 36.603147][ T332] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 36.603318][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.603530][  T332] RIP: 0033:0x7fb50ff8d7b7
[ 36.603807][ T332] 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)
[   36.604399][  T332] RSP: 002b:00007fff1d3e46b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.604752][  T332] RAX: ffffffffffffffda RBX: 00007fff1d3e4de0 RCX: 00007fb50ff8d7b7
[   36.605011][  T332] RDX: 0000000000000000 RSI: 00007fff1d3e4720 RDI: 0000000000000005
[   36.605265][  T332] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.605723][  T332] R10: 000000000e44e910 R11: 0000000000000246 R12: 0000000000000004


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