======================================
| [   37.734678][  T345] 1 lock held by ip/345:
| [ 37.734807][ T345] #0: ffffffffb7dbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   37.735157][  T345]
| [   37.735157][  T345] stack backtrace:
[   37.735807][  T345] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   37.736177][  T345] Call Trace:
[   37.736314][  T345]  <TASK>
[ 37.736411][ T345] dump_stack_lvl (lib/dump_stack.c:122) 
[ 37.736673][ T345] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 37.736929][ T345] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 37.737477][ T345] 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
[ 37.737879][ T345] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 37.738198][ T345] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.738546][ T345] br_add_if (net/bridge/br_if.c:692) bridge
[ 37.738883][ T345] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 37.739184][ T345] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 37.739535][ T345] do_setlink (net/core/rtnetlink.c:2907) 
[ 37.739807][ T345] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 37.740090][ T345] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 37.740375][ T345] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 37.740649][ T345] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.740905][ T345] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.741194][ T345] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 37.741479][ T345] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 37.741820][ T345] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 37.742108][ T345] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 37.742372][ T345] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 37.742651][ T345] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 37.742924][ T345] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 37.743127][ T345] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 37.743403][ T345] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 37.743681][ T345] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 37.743964][ T345] ? 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) 
[ 37.744224][ T345] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 37.744491][ T345] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.744814][ T345] ? __create_object (mm/kmemleak.c:751) 
[ 37.745071][ T345] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 37.745341][ T345] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 37.745552][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 37.745826][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 37.746086][ T345] ? 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) 
[ 37.746348][ T345] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 37.746560][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 37.746831][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 37.747090][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 37.747347][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 37.747634][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 37.747917][ T345] ? 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) 
[ 37.748189][ T345] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 37.748477][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 37.748758][ T345] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 37.749047][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 37.749339][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 37.749626][ T345] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 37.749909][ T345] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 37.750223][ T345] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 37.750518][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 37.750814][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 37.751171][ T345] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 37.751484][ T345] ___sys_sendmsg (net/socket.c:2653) 
[ 37.751766][ T345] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 37.752052][ T345] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 37.752341][ T345] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 37.752626][ T345] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 37.752980][ T345] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 37.753272][ T345] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 37.753561][ T345] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.753909][ T345] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 37.754191][ T345] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 37.754477][ T345] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 37.754760][ T345] ? __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) 
[ 37.755075][ T345] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 37.755356][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.755708][  T345] RIP: 0033:0x7fa0628eb7b7
[ 37.756015][ T345] 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)
[   37.756990][  T345] RSP: 002b:00007ffd7c032408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.757414][  T345] RAX: ffffffffffffffda RBX: 00007ffd7c032b30 RCX: 00007fa0628eb7b7
[   37.757838][  T345] RDX: 0000000000000000 RSI: 00007ffd7c032470 RDI: 0000000000000005
[   37.758249][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.758653][  T345] R10: 000000002facf910 R11: 0000000000000246 R12: 0000000000000004
[   37.759075][  T345] R13: 0000000066be9f85 R14: 0000000000496600 R15: 0000000000000000
| [   37.762409][  T345] 1 lock held by ip/345:
| [ 37.762612][ T345] #0: ffffffffb7dbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   37.763118][  T345]
| [   37.763118][  T345] stack backtrace:
[   37.763914][  T345] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   37.764546][  T345] Call Trace:
[   37.764750][  T345]  <TASK>
[ 37.764903][ T345] dump_stack_lvl (lib/dump_stack.c:122) 
[ 37.765188][ T345] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 37.765495][ T345] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 37.765921][ T345] 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
[ 37.766334][ T345] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 37.766666][ T345] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.767031][ T345] br_add_if (net/bridge/br_if.c:692) bridge
[ 37.767381][ T345] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 37.767665][ T345] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 37.768029][ T345] do_setlink (net/core/rtnetlink.c:2907) 
[ 37.768317][ T345] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 37.768607][ T345] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 37.768898][ T345] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 37.769189][ T345] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.769475][ T345] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.769755][ T345] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 37.770045][ T345] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 37.770420][ T345] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 37.770743][ T345] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 37.771037][ T345] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 37.771317][ T345] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 37.771604][ T345] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 37.771836][ T345] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 37.772137][ T345] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 37.772428][ T345] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 37.772727][ T345] ? 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) 
[ 37.773001][ T345] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 37.773280][ T345] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.773654][ T345] ? __create_object (mm/kmemleak.c:751) 
[ 37.773934][ T345] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 37.774218][ T345] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 37.774427][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 37.774705][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 37.774976][ T345] ? 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) 
[ 37.775257][ T345] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 37.775484][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 37.775762][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 37.776047][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 37.776334][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 37.776635][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 37.776910][ T345] ? 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) 
[ 37.777183][ T345] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 37.777464][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 37.777732][ T345] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 37.778015][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 37.778317][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 37.778637][ T345] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 37.778943][ T345] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 37.779256][ T345] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 37.779563][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 37.779889][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 37.780270][ T345] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 37.780581][ T345] ___sys_sendmsg (net/socket.c:2653) 
[ 37.780876][ T345] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 37.781163][ T345] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 37.781456][ T345] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 37.781742][ T345] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 37.782092][ T345] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 37.782391][ T345] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 37.782696][ T345] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.783056][ T345] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 37.783354][ T345] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 37.783650][ T345] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 37.783929][ T345] ? __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) 
[ 37.784262][ T345] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 37.784566][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.784918][  T345] RIP: 0033:0x7fa0628eb7b7
[ 37.785209][ T345] 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)
[   37.786222][  T345] RSP: 002b:00007ffd7c032408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.786658][  T345] RAX: ffffffffffffffda RBX: 00007ffd7c032b30 RCX: 00007fa0628eb7b7
[   37.787078][  T345] RDX: 0000000000000000 RSI: 00007ffd7c032470 RDI: 0000000000000005
[   37.787506][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.787943][  T345] R10: 000000002facf910 R11: 0000000000000246 R12: 0000000000000004
[   37.788366][  T345] R13: 0000000066be9f85 R14: 0000000000496600 R15: 0000000000000000
| [   37.792258][  T345] 1 lock held by ip/345:
| [ 37.792498][ T345] #0: ffffffffb7dbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   37.793007][  T345]
| [   37.793007][  T345] stack backtrace:
[   37.793842][  T345] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   37.794471][  T345] Call Trace:
[   37.794685][  T345]  <TASK>
[ 37.794836][ T345] dump_stack_lvl (lib/dump_stack.c:122) 
[ 37.795129][ T345] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 37.795417][ T345] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 37.795852][ T345] 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
[ 37.796275][ T345] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 37.796612][ T345] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.796967][ T345] br_add_if (net/bridge/br_if.c:692) bridge
[ 37.797308][ T345] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 37.797599][ T345] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 37.797947][ T345] do_setlink (net/core/rtnetlink.c:2907) 
[ 37.798214][ T345] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 37.798493][ T345] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 37.798775][ T345] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 37.799039][ T345] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.799313][ T345] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.799579][ T345] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 37.799849][ T345] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 37.800202][ T345] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 37.800501][ T345] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 37.800815][ T345] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 37.801114][ T345] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 37.801411][ T345] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 37.801644][ T345] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 37.801950][ T345] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 37.802256][ T345] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 37.802536][ T345] ? 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) 
[ 37.802806][ T345] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 37.803096][ T345] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.803451][ T345] ? __create_object (mm/kmemleak.c:751) 
[ 37.803729][ T345] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 37.804007][ T345] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 37.804227][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 37.804508][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 37.804768][ T345] ? 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) 
[ 37.805045][ T345] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 37.805262][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 37.805539][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 37.805981][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 37.806255][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 37.806549][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 37.806823][ T345] ? 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) 
[ 37.807323][ T345] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 37.807611][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 37.807896][ T345] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 37.808199][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 37.808661][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 37.808953][ T345] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 37.809257][ T345] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 37.809567][ T345] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 37.809863][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 37.810298][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 37.810620][ T345] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 37.810916][ T345] ___sys_sendmsg (net/socket.c:2653) 
[ 37.811193][ T345] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 37.811620][ T345] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 37.811896][ T345] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 37.812157][ T345] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 37.812487][ T345] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 37.812912][ T345] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 37.813194][ T345] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.813530][ T345] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 37.813811][ T345] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 37.814233][ T345] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 37.814498][ T345] ? __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) 
[ 37.814799][ T345] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 37.815065][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.815562][  T345] RIP: 0033:0x7fa0628eb7b7
[ 37.815850][ T345] 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)
[   37.816968][  T345] RSP: 002b:00007ffd7c032408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.817420][  T345] RAX: ffffffffffffffda RBX: 00007ffd7c032b30 RCX: 00007fa0628eb7b7
[   37.817863][  T345] RDX: 0000000000000000 RSI: 00007ffd7c032470 RDI: 0000000000000005
[   37.818438][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.818858][  T345] R10: 000000002facf910 R11: 0000000000000246 R12: 0000000000000004


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