======================================
| [   35.878870][  T331] 1 lock held by ip/331:
| [ 35.879097][ T331] #0: ffffffff9ffbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   35.879661][  T331]
| [   35.879661][  T331] stack backtrace:
[   35.880458][  T331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   35.881119][  T331] Call Trace:
[   35.881349][  T331]  <TASK>
[ 35.881504][ T331] dump_stack_lvl (lib/dump_stack.c:122) 
[ 35.881812][ T331] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 35.882109][ T331] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 35.882589][ T331] 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
[ 35.883015][ T331] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 35.883361][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.883724][ T331] br_add_if (net/bridge/br_if.c:692) bridge
[ 35.884076][ T331] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 35.884362][ T331] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 35.884731][ T331] do_setlink (net/core/rtnetlink.c:2907) 
[ 35.885022][ T331] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 35.885320][ T331] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 35.885617][ T331] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 35.885904][ T331] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.886197][ T331] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.886488][ T331] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 35.886781][ T331] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 35.887146][ T331] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 35.887462][ T331] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 35.887759][ T331] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 35.888056][ T331] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 35.888346][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 35.888573][ T331] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 35.888872][ T331] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 35.889176][ T331] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 35.889483][ T331] ? 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) 
[ 35.889776][ T331] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 35.890075][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.890452][ T331] ? __create_object (mm/kmemleak.c:751) 
[ 35.890746][ T331] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 35.891103][ T331] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 35.891263][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 35.891457][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 35.891638][ T331] ? 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) 
[ 35.891824][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 35.891966][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 35.892157][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 35.892356][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 35.892544][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 35.892740][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 35.892927][ T331] ? 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) 
[ 35.893112][ T331] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 35.893327][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 35.893509][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 35.893701][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 35.893901][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 35.894079][ T331] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 35.894266][ T331] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 35.894454][ T331] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 35.894643][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 35.894821][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 35.895047][ T331] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 35.895244][ T331] ___sys_sendmsg (net/socket.c:2653) 
[ 35.895432][ T331] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 35.895615][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 35.895804][ T331] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 35.895984][ T331] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 35.896213][ T331] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 35.896399][ T331] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 35.896589][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.896822][ T331] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 35.897016][ T331] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 35.897198][ T331] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 35.897383][ T331] ? __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) 
[ 35.897586][ T331] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 35.897776][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.898008][  T331] RIP: 0033:0x7f6d77b197b7
[ 35.898203][ T331] 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)
[   35.898843][  T331] RSP: 002b:00007ffd802789f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.899128][  T331] RAX: ffffffffffffffda RBX: 00007ffd80279120 RCX: 00007f6d77b197b7
[   35.899405][  T331] RDX: 0000000000000000 RSI: 00007ffd80278a60 RDI: 0000000000000005
[   35.899690][  T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.899967][  T331] R10: 0000000030aa4910 R11: 0000000000000246 R12: 0000000000000004
[   35.900247][  T331] R13: 0000000066bea4ea R14: 0000000000496600 R15: 0000000000000000
| [   35.903685][  T331] 1 lock held by ip/331:
| [ 35.903834][ T331] #0: ffffffff9ffbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   35.904172][  T331]
| [   35.904172][  T331] stack backtrace:
[   35.904677][  T331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   35.905093][  T331] Call Trace:
[   35.905234][  T331]  <TASK>
[ 35.905333][ T331] dump_stack_lvl (lib/dump_stack.c:122) 
[ 35.905537][ T331] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 35.905727][ T331] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 35.905997][ T331] 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
[ 35.906261][ T331] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 35.906481][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.906717][ T331] br_add_if (net/bridge/br_if.c:692) bridge
[ 35.906933][ T331] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 35.907122][ T331] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 35.907356][ T331] do_setlink (net/core/rtnetlink.c:2907) 
[ 35.907542][ T331] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 35.907723][ T331] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 35.907910][ T331] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 35.908091][ T331] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.908291][ T331] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.908477][ T331] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 35.908655][ T331] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 35.908892][ T331] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 35.909095][ T331] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 35.909278][ T331] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 35.909465][ T331] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 35.909647][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 35.909826][ T331] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 35.910014][ T331] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 35.910203][ T331] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 35.910399][ T331] ? 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) 
[ 35.910582][ T331] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 35.910797][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.911038][ T331] ? __create_object (mm/kmemleak.c:751) 
[ 35.911235][ T331] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 35.911479][ T331] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 35.911643][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 35.911867][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 35.912104][ T331] ? 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) 
[ 35.912333][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 35.912524][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 35.912752][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 35.912984][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 35.913218][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 35.913478][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 35.913712][ T331] ? 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) 
[ 35.913927][ T331] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 35.914123][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 35.914307][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 35.914496][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 35.914683][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 35.914876][ T331] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 35.915068][ T331] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 35.915261][ T331] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 35.915444][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 35.915623][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 35.915846][ T331] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 35.916046][ T331] ___sys_sendmsg (net/socket.c:2653) 
[ 35.916229][ T331] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 35.916411][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 35.916605][ T331] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 35.916788][ T331] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 35.917010][ T331] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 35.917194][ T331] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 35.917383][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.917614][ T331] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 35.917804][ T331] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 35.917989][ T331] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 35.918175][ T331] ? __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) 
[ 35.918383][ T331] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 35.918569][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.918798][  T331] RIP: 0033:0x7f6d77b197b7
[ 35.918988][ T331] 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)
[   35.919624][  T331] RSP: 002b:00007ffd802789f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.919899][  T331] RAX: ffffffffffffffda RBX: 00007ffd80279120 RCX: 00007f6d77b197b7
[   35.920179][  T331] RDX: 0000000000000000 RSI: 00007ffd80278a60 RDI: 0000000000000005
[   35.920457][  T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.920739][  T331] R10: 0000000030aa4910 R11: 0000000000000246 R12: 0000000000000004
[   35.921036][  T331] R13: 0000000066bea4ea R14: 0000000000496600 R15: 0000000000000000
| [   35.923450][  T331] 1 lock held by ip/331:
| [ 35.923599][ T331] #0: ffffffff9ffbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   35.923941][  T331]
| [   35.923941][  T331] stack backtrace:
[   35.924437][  T331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   35.924840][  T331] Call Trace:
[   35.924980][  T331]  <TASK>
[ 35.925076][ T331] dump_stack_lvl (lib/dump_stack.c:122) 
[ 35.925270][ T331] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 35.925460][ T331] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 35.925726][ T331] 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
[ 35.925988][ T331] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 35.926384][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.926616][ T331] br_add_if (net/bridge/br_if.c:692) bridge
[ 35.926830][ T331] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 35.927012][ T331] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 35.927346][ T331] do_setlink (net/core/rtnetlink.c:2907) 
[ 35.927530][ T331] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 35.927712][ T331] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 35.927894][ T331] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 35.928172][ T331] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.928357][ T331] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.928538][ T331] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 35.928722][ T331] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 35.929043][ T331] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 35.929236][ T331] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 35.929420][ T331] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 35.929600][ T331] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 35.929879][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 35.930021][ T331] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 35.930209][ T331] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 35.930403][ T331] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 35.930590][ T331] ? 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) 
[ 35.930967][ T331] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 35.931166][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.931391][ T331] ? __create_object (mm/kmemleak.c:751) 
[ 35.931576][ T331] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 35.931858][ T331] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 35.931999][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 35.932188][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 35.932375][ T331] ? 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) 
[ 35.932653][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 35.932801][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 35.932986][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 35.933172][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 35.933358][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 35.933660][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 35.933842][ T331] ? 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) 
[ 35.934037][ T331] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 35.934223][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 35.934416][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 35.934601][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 35.934807][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 35.934986][ T331] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 35.935269][ T331] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 35.935467][ T331] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 35.935658][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 35.935837][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 35.936159][ T331] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 35.936352][ T331] ___sys_sendmsg (net/socket.c:2653) 
[ 35.936534][ T331] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 35.936716][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 35.936997][ T331] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 35.937179][ T331] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 35.937416][ T331] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 35.937599][ T331] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 35.937885][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.938116][ T331] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 35.938306][ T331] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 35.938492][ T331] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 35.938774][ T331] ? __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) 
[ 35.938977][ T331] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 35.939171][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.939405][  T331] RIP: 0033:0x7f6d77b197b7
[ 35.939694][ T331] 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)
[   35.940348][  T331] RSP: 002b:00007ffd802789f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.940730][  T331] RAX: ffffffffffffffda RBX: 00007ffd80279120 RCX: 00007f6d77b197b7
[   35.941032][  T331] RDX: 0000000000000000 RSI: 00007ffd80278a60 RDI: 0000000000000005
[   35.941309][  T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.941679][  T331] R10: 0000000030aa4910 R11: 0000000000000246 R12: 0000000000000004


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