======================================
| [   31.221030][  T298] 1 lock held by ip/298:
| [ 31.221264][ T298] #0: ffffffffb15bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.221730][  T298]
| [   31.221730][  T298] stack backtrace:
[   31.222335][  T298] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.222750][  T298] Call Trace:
[   31.222901][  T298]  <TASK>
[ 31.222998][ T298] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.223192][ T298] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.223382][ T298] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.223692][ T298] 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
[ 31.223961][ T298] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.224188][ T298] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.224423][ T298] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.224645][ T298] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.224834][ T298] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.225069][ T298] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.225263][ T298] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.225458][ T298] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.225659][ T298] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.225850][ T298] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.226043][ T298] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.226231][ T298] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.226411][ T298] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.226649][ T298] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.226846][ T298] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.227051][ T298] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.227251][ T298] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.227447][ T298] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.227600][ T298] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.227795][ T298] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.227989][ T298] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.228182][ T298] ? 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) 
[ 31.228366][ T298] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.228558][ T298] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.228803][ T298] ? __create_object (mm/kmemleak.c:751) 
[ 31.228998][ T298] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.229199][ T298] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.229339][ T298] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.229531][ T298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.229715][ T298] ? 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) 
[ 31.229901][ T298] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.230047][ T298] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.230234][ T298] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.230420][ T298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.230618][ T298] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.230823][ T298] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.231019][ T298] ? 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) 
[ 31.231207][ T298] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.231405][ T298] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.231630][ T298] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.231820][ T298] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.232015][ T298] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.232208][ T298] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.232404][ T298] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.232602][ T298] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.232794][ T298] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.232987][ T298] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.233222][ T298] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.233432][ T298] ___sys_sendmsg (net/socket.c:2653) 
[ 31.233618][ T298] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.233813][ T298] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.234009][ T298] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.234200][ T298] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.234442][ T298] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.234635][ T298] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.234833][ T298] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.235065][ T298] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.235271][ T298] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.235650][ T298] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.235845][ T298] ? __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) 
[ 31.236065][ T298] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.236260][ T298] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.236494][  T298] RIP: 0033:0x7fda7987b7b7
[ 31.236808][ T298] 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)
[   31.237444][  T298] RSP: 002b:00007ffee441e338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.237845][  T298] RAX: ffffffffffffffda RBX: 00007ffee441ea60 RCX: 00007fda7987b7b7
[   31.238127][  T298] RDX: 0000000000000000 RSI: 00007ffee441e3a0 RDI: 0000000000000005
[   31.238410][  T298] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.238690][  T298] R10: 000000002bbe6910 R11: 0000000000000246 R12: 0000000000000004
[   31.238971][  T298] R13: 0000000066bea78f R14: 0000000000496600 R15: 0000000000000000
| [   31.242600][  T298] 1 lock held by ip/298:
| [ 31.242831][ T298] #0: ffffffffb15bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.243257][  T298]
| [   31.243257][  T298] stack backtrace:
[   31.243867][  T298] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.244388][  T298] Call Trace:
[   31.244540][  T298]  <TASK>
[ 31.244650][ T298] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.244847][ T298] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.245042][ T298] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.245311][ T298] 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
[ 31.245582][ T298] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.245906][ T298] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.246146][ T298] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.246369][ T298] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.246553][ T298] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.246791][ T298] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.246987][ T298] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.247182][ T298] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.247383][ T298] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.247812][ T298] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.248010][ T298] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.248207][ T298] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.248404][ T298] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.248658][ T298] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.248867][ T298] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.249080][ T298] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.249408][ T298] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.249612][ T298] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.249770][ T298] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.249971][ T298] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.250185][ T298] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.250392][ T298] ? 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) 
[ 31.250707][ T298] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.250909][ T298] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.251150][ T298] ? __create_object (mm/kmemleak.c:751) 
[ 31.251352][ T298] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.251679][ T298] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.251827][ T298] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.252147][ T298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.252340][ T298] ? 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) 
[ 31.252533][ T298] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.252680][ T298] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.252870][ T298] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.253075][ T298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.253279][ T298] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.253577][ T298] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.253898][ T298] ? 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) 
[ 31.254086][ T298] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.254299][ T298] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.254487][ T298] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.254679][ T298] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.254877][ T298] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.255181][ T298] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.255377][ T298] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.255581][ T298] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.255776][ T298] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.255970][ T298] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.256300][ T298] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.256620][ T298] ___sys_sendmsg (net/socket.c:2653) 
[ 31.256820][ T298] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.257012][ T298] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.257298][ T298] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.257483][ T298] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.257728][ T298] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.257918][ T298] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.258235][ T298] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.258471][ T298] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.258679][ T298] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.258876][ T298] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.259179][ T298] ? __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) 
[ 31.259394][ T298] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.259589][ T298] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.259935][  T298] RIP: 0033:0x7fda7987b7b7
[ 31.260136][ T298] 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)
[   31.260780][  T298] RSP: 002b:00007ffee441e338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.261191][  T298] RAX: ffffffffffffffda RBX: 00007ffee441ea60 RCX: 00007fda7987b7b7
[   31.261472][  T298] RDX: 0000000000000000 RSI: 00007ffee441e3a0 RDI: 0000000000000005
[   31.261762][  T298] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.262156][  T298] R10: 000000002bbe6910 R11: 0000000000000246 R12: 0000000000000004
[   31.262450][  T298] R13: 0000000066bea78f R14: 0000000000496600 R15: 0000000000000000
| [   31.265016][  T298] 1 lock held by ip/298:
| [ 31.265161][ T298] #0: ffffffffb15bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.265518][  T298]
| [   31.265518][  T298] stack backtrace:
[   31.266047][  T298] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.266455][  T298] Call Trace:
[   31.266604][  T298]  <TASK>
[ 31.266706][ T298] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.266899][ T298] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.267091][ T298] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.267570][ T298] 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
[ 31.267833][ T298] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.268054][ T298] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.268380][ T298] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.268600][ T298] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.268780][ T298] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.269012][ T298] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.269300][ T298] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.269496][ T298] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.269679][ T298] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.269868][ T298] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.270058][ T298] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.270349][ T298] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.270540][ T298] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.270775][ T298] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.270983][ T298] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.271288][ T298] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.271480][ T298] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.271681][ T298] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.271820][ T298] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.272015][ T298] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.272231][ T298] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.272429][ T298] ? 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) 
[ 31.272753][ T298] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.272967][ T298] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.273212][ T298] ? __create_object (mm/kmemleak.c:751) 
[ 31.273407][ T298] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.273607][ T298] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.273766][ T298] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.273968][ T298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.274152][ T298] ? 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) 
[ 31.274337][ T298] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.274613][ T298] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.274820][ T298] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.275009][ T298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.275211][ T298] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.275414][ T298] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.275727][ T298] ? 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) 
[ 31.275923][ T298] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.276112][ T298] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.276320][ T298] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.276524][ T298] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.276717][ T298] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.276909][ T298] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.277203][ T298] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.277396][ T298] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.277708][ T298] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.277902][ T298] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.278140][ T298] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.278349][ T298] ___sys_sendmsg (net/socket.c:2653) 
[ 31.278552][ T298] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.278745][ T298] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.278945][ T298] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.279139][ T298] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.279503][ T298] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.279713][ T298] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.279904][ T298] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.280154][ T298] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.280469][ T298] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.280661][ T298] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.280843][ T298] ? __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) 
[ 31.281054][ T298] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.281243][ T298] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.281484][  T298] RIP: 0033:0x7fda7987b7b7
[ 31.281831][ T298] 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)
[   31.282489][  T298] RSP: 002b:00007ffee441e338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.282773][  T298] RAX: ffffffffffffffda RBX: 00007ffee441ea60 RCX: 00007fda7987b7b7
[   31.283058][  T298] RDX: 0000000000000000 RSI: 00007ffee441e3a0 RDI: 0000000000000005
[   31.283473][  T298] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.283756][  T298] R10: 000000002bbe6910 R11: 0000000000000246 R12: 0000000000000004


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