======================================
| [   27.947240][  T280] 1 lock held by ip/280:
| [ 27.947379][ T280] #0: ffffffff861dcac8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   27.947707][  T280]
| [   27.947707][  T280] stack backtrace:
[   27.948219][  T280] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   27.948617][  T280] Call Trace:
[   27.948760][  T280]  <TASK>
[ 27.948857][ T280] dump_stack_lvl (lib/dump_stack.c:122) 
[ 27.949045][ T280] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 27.949235][ T280] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) 
[ 27.949424][ T280] br_get_link_af_size_filtered (net/bridge/br_private.h:930 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) 
[ 27.949658][ T280] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) 
[ 27.949840][ T280] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 27.950067][ T280] br_add_if (net/bridge/br_if.c:692) 
[ 27.950216][ T280] do_setlink (net/core/rtnetlink.c:2907) 
[ 27.950398][ T280] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 27.950581][ T280] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 27.950762][ T280] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 27.950941][ T280] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 27.951129][ T280] ? __kernel_text_address (kernel/extable.c:79) 
[ 27.951311][ T280] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 27.951492][ T280] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 27.951720][ T280] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 27.951913][ T280] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 27.952094][ T280] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 27.952275][ T280] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 27.952458][ T280] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 27.952601][ T280] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 27.952786][ T280] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 27.952982][ T280] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 27.953171][ T280] ? 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) 
[ 27.953354][ T280] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 27.953541][ T280] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 27.953767][ T280] ? __create_object (mm/kmemleak.c:751) 
[ 27.953950][ T280] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 27.954137][ T280] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 27.954281][ T280] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 27.954465][ T280] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 27.954646][ T280] ? 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) 
[ 27.954828][ T280] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 27.954971][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 27.955154][ T280] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 27.955347][ T280] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 27.955535][ T280] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 27.955737][ T280] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 27.955919][ T280] ? 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) 
[ 27.956102][ T280] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 27.956289][ T280] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 27.956471][ T280] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 27.956658][ T280] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 27.956843][ T280] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 27.957032][ T280] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 27.957215][ T280] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 27.957416][ T280] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 27.957600][ T280] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 27.957781][ T280] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 27.958005][ T280] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 27.958198][ T280] ___sys_sendmsg (net/socket.c:2653) 
[ 27.958381][ T280] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 27.958566][ T280] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 27.958759][ T280] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 27.958933][ T280] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 27.959171][ T280] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 27.959355][ T280] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 27.959545][ T280] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 27.959771][ T280] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 27.959958][ T280] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 27.960142][ T280] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 27.960325][ T280] ? __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) 
[ 27.960526][ T280] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 27.960718][ T280] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.960939][  T280] RIP: 0033:0x7f222a1967b7
[ 27.961123][ T280] 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)
[   27.961767][  T280] RSP: 002b:00007fff3a6b36a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.962043][  T280] RAX: ffffffffffffffda RBX: 00007fff3a6b3de0 RCX: 00007f222a1967b7
[   27.962313][  T280] RDX: 0000000000000000 RSI: 00007fff3a6b3710 RDI: 0000000000000005
[   27.962583][  T280] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   27.962861][  T280] R10: 000000001b480910 R11: 0000000000000246 R12: 0000000000000003
[   27.963153][  T280] R13: 0000000066beb2c7 R14: 0000000000496600 R15: 0000000000000000
| [   27.965357][  T280] 1 lock held by ip/280:
| [ 27.965508][ T280] #0: ffffffff861dcac8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   27.965851][  T280]
| [   27.965851][  T280] stack backtrace:
[   27.966342][  T280] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   27.966736][  T280] Call Trace:
[   27.966879][  T280]  <TASK>
[ 27.966975][ T280] dump_stack_lvl (lib/dump_stack.c:122) 
[ 27.967163][ T280] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 27.967349][ T280] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) 
[ 27.967542][ T280] br_get_link_af_size_filtered (net/bridge/br_private.h:453 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) 
[ 27.967768][ T280] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) 
[ 27.967945][ T280] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 27.968166][ T280] br_add_if (net/bridge/br_if.c:692) 
[ 27.968310][ T280] do_setlink (net/core/rtnetlink.c:2907) 
[ 27.968488][ T280] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 27.968667][ T280] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 27.968862][ T280] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 27.969043][ T280] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 27.969225][ T280] ? __kernel_text_address (kernel/extable.c:79) 
[ 27.969405][ T280] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 27.969586][ T280] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 27.969812][ T280] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 27.970003][ T280] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 27.970186][ T280] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 27.970367][ T280] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 27.970549][ T280] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 27.970698][ T280] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 27.970876][ T280] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 27.971059][ T280] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 27.971240][ T280] ? 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) 
[ 27.971417][ T280] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 27.971598][ T280] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 27.971820][ T280] ? __create_object (mm/kmemleak.c:751) 
[ 27.972018][ T280] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 27.972207][ T280] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 27.972345][ T280] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 27.972526][ T280] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 27.972706][ T280] ? 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) 
[ 27.972894][ T280] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 27.973037][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 27.973226][ T280] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 27.973407][ T280] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 27.973589][ T280] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 27.973783][ T280] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 27.973964][ T280] ? 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) 
[ 27.974155][ T280] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 27.974338][ T280] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 27.974519][ T280] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 27.974709][ T280] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 27.974892][ T280] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 27.975071][ T280] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 27.975254][ T280] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 27.975441][ T280] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 27.975624][ T280] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 27.975804][ T280] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 27.976026][ T280] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 27.976226][ T280] ___sys_sendmsg (net/socket.c:2653) 
[ 27.976409][ T280] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 27.976588][ T280] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 27.976766][ T280] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 27.976940][ T280] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 27.977157][ T280] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 27.977339][ T280] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 27.977520][ T280] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 27.977743][ T280] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 27.977925][ T280] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 27.978123][ T280] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 27.978303][ T280] ? __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) 
[ 27.978502][ T280] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 27.978684][ T280] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.978908][  T280] RIP: 0033:0x7f222a1967b7
[ 27.979094][ T280] 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)
[   27.979734][  T280] RSP: 002b:00007fff3a6b36a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.979999][  T280] RAX: ffffffffffffffda RBX: 00007fff3a6b3de0 RCX: 00007f222a1967b7
[   27.980261][  T280] RDX: 0000000000000000 RSI: 00007fff3a6b3710 RDI: 0000000000000005
[   27.980647][  T280] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   27.980927][  T280] R10: 000000001b480910 R11: 0000000000000246 R12: 0000000000000003
[   27.981197][  T280] R13: 0000000066beb2c7 R14: 0000000000496600 R15: 0000000000000000
| [   27.983733][  T280] 1 lock held by ip/280:
| [ 27.983883][ T280] #0: ffffffff861dcac8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   27.984296][  T280]
| [   27.984296][  T280] stack backtrace:
[   27.984784][  T280] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   27.985269][  T280] Call Trace:
[   27.985407][  T280]  <TASK>
[ 27.985501][ T280] dump_stack_lvl (lib/dump_stack.c:122) 
[ 27.985685][ T280] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 27.985955][ T280] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) 
[ 27.986139][ T280] br_get_link_af_size_filtered (net/bridge/br_private.h:1611 net/bridge/br_private.h:1608 net/bridge/br_netlink.c:107) 
[ 27.986367][ T280] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) 
[ 27.986562][ T280] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 27.986780][ T280] br_add_if (net/bridge/br_if.c:692) 
[ 27.986929][ T280] do_setlink (net/core/rtnetlink.c:2907) 
[ 27.987107][ T280] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 27.987282][ T280] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 27.987562][ T280] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 27.987741][ T280] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 27.987923][ T280] ? __kernel_text_address (kernel/extable.c:79) 
[ 27.988101][ T280] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 27.988368][ T280] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 27.988594][ T280] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 27.988784][ T280] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 27.988963][ T280] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 27.989237][ T280] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 27.989432][ T280] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 27.989572][ T280] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 27.989860][ T280] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 27.990050][ T280] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 27.990325][ T280] ? 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) 
[ 27.990505][ T280] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 27.990697][ T280] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 27.990938][ T280] ? __create_object (mm/kmemleak.c:751) 
[ 27.991203][ T280] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 27.991391][ T280] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 27.991530][ T280] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 27.991713][ T280] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 27.991997][ T280] ? 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) 
[ 27.992194][ T280] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 27.992336][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 27.992519][ T280] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 27.992701][ T280] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 27.992908][ T280] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 27.993104][ T280] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 27.993284][ T280] ? 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) 
[ 27.993469][ T280] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 27.993739][ T280] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 27.993923][ T280] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 27.994108][ T280] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 27.994292][ T280] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 27.994554][ T280] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 27.994735][ T280] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 27.994921][ T280] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 27.995103][ T280] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 27.995373][ T280] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 27.995595][ T280] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 27.995785][ T280] ___sys_sendmsg (net/socket.c:2653) 
[ 27.995968][ T280] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 27.996234][ T280] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 27.996416][ T280] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 27.996597][ T280] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 27.996835][ T280] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 27.997186][ T280] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 27.997372][ T280] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 27.997599][ T280] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 27.997784][ T280] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 27.998050][ T280] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 27.998229][ T280] ? __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) 
[ 27.998428][ T280] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 27.998610][ T280] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.998929][  T280] RIP: 0033:0x7f222a1967b7
[ 27.999111][ T280] 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)
[   27.999721][  T280] RSP: 002b:00007fff3a6b36a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.999987][  T280] RAX: ffffffffffffffda RBX: 00007fff3a6b3de0 RCX: 00007f222a1967b7
[   28.000249][  T280] RDX: 0000000000000000 RSI: 00007fff3a6b3710 RDI: 0000000000000005
[   28.000597][  T280] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   28.000856][  T280] R10: 000000001b480910 R11: 0000000000000246 R12: 0000000000000003


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