======================================
| [   32.080246][  T295] 1 lock held by ip/295:
| [ 32.080531][ T295] #0: ffffffff8a5bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   32.080899][  T295]
| [   32.080899][  T295] stack backtrace:
[   32.081361][  T295] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   32.081728][  T295] Call Trace:
[   32.081864][  T295]  <TASK>
[ 32.081959][ T295] dump_stack_lvl (lib/dump_stack.c:122) 
[ 32.082139][ T295] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 32.082306][ T295] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 32.082587][ T295] 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
[ 32.082838][ T295] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 32.083045][ T295] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.083271][ T295] br_add_if (net/bridge/br_if.c:692) bridge
[ 32.083471][ T295] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 32.083643][ T295] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 32.083862][ T295] do_setlink (net/core/rtnetlink.c:2907) 
[ 32.084030][ T295] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 32.084199][ T295] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 32.084368][ T295] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 32.084534][ T295] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 32.084705][ T295] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.084870][ T295] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 32.085041][ T295] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 32.085251][ T295] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 32.085431][ T295] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 32.085597][ T295] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 32.085764][ T295] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 32.085935][ T295] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 32.086067][ T295] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 32.086240][ T295] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 32.086413][ T295] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 32.086590][ T295] ? 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) 
[ 32.086760][ T295] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 32.086931][ T295] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.087139][ T295] ? __create_object (mm/kmemleak.c:751) 
[ 32.087314][ T295] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 32.087488][ T295] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 32.087615][ T295] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 32.087809][ T295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 32.087980][ T295] ? 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) 
[ 32.088147][ T295] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 32.088278][ T295] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 32.088448][ T295] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 32.088617][ T295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 32.088793][ T295] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 32.088990][ T295] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 32.089302][ T295] ? 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) 
[ 32.089470][ T295] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 32.089640][ T295] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 32.089808][ T295] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 32.089977][ T295] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 32.090148][ T295] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 32.090315][ T295] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 32.090489][ T295] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 32.090662][ T295] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 32.090836][ T295] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 32.091000][ T295] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 32.091205][ T295] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 32.091413][ T295] ___sys_sendmsg (net/socket.c:2653) 
[ 32.091587][ T295] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 32.091755][ T295] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 32.091930][ T295] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 32.092095][ T295] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 32.092304][ T295] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 32.092472][ T295] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 32.092651][ T295] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.092865][ T295] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 32.093039][ T295] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 32.093214][ T295] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 32.093382][ T295] ? __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) 
[ 32.093572][ T295] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 32.093742][ T295] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.093950][  T295] RIP: 0033:0x7f6394ee87b7
[ 32.094126][ T295] 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)
[   32.094729][  T295] RSP: 002b:00007ffc59eefc38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.095101][  T295] RAX: ffffffffffffffda RBX: 00007ffc59ef0360 RCX: 00007f6394ee87b7
[   32.095470][  T295] RDX: 0000000000000000 RSI: 00007ffc59eefca0 RDI: 0000000000000005
[   32.095861][  T295] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.096248][  T295] R10: 000000003ecad910 R11: 0000000000000246 R12: 0000000000000004
[   32.096643][  T295] R13: 0000000066bea0c5 R14: 0000000000496600 R15: 0000000000000000
| [   32.100201][  T295] 1 lock held by ip/295:
| [ 32.100456][ T295] #0: ffffffff8a5bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   32.101002][  T295]
| [   32.101002][  T295] stack backtrace:
[   32.101479][  T295] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   32.101855][  T295] Call Trace:
[   32.101984][  T295]  <TASK>
[ 32.102073][ T295] dump_stack_lvl (lib/dump_stack.c:122) 
[ 32.102248][ T295] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 32.102415][ T295] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 32.102680][ T295] 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
[ 32.102932][ T295] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 32.103132][ T295] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.103355][ T295] br_add_if (net/bridge/br_if.c:692) bridge
[ 32.103559][ T295] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 32.103781][ T295] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 32.103999][ T295] do_setlink (net/core/rtnetlink.c:2907) 
[ 32.104172][ T295] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 32.104343][ T295] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 32.104521][ T295] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 32.104729][ T295] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 32.104906][ T295] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.105070][ T295] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 32.105237][ T295] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 32.105450][ T295] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 32.105661][ T295] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 32.105880][ T295] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 32.106049][ T295] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 32.106224][ T295] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 32.106355][ T295] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 32.106530][ T295] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 32.106721][ T295] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 32.106901][ T295] ? 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) 
[ 32.107078][ T295] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 32.107254][ T295] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.107481][ T295] ? __create_object (mm/kmemleak.c:751) 
[ 32.107656][ T295] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 32.107828][ T295] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 32.107954][ T295] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 32.108121][ T295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 32.108289][ T295] ? 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) 
[ 32.108458][ T295] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 32.108596][ T295] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 32.108783][ T295] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 32.108996][ T295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 32.109166][ T295] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 32.109345][ T295] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 32.109515][ T295] ? 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) 
[ 32.109691][ T295] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 32.109865][ T295] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 32.110030][ T295] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 32.110199][ T295] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 32.110369][ T295] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 32.110535][ T295] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 32.110724][ T295] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 32.110904][ T295] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 32.111072][ T295] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 32.111236][ T295] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 32.111443][ T295] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 32.111630][ T295] ___sys_sendmsg (net/socket.c:2653) 
[ 32.111835][ T295] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 32.112003][ T295] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 32.112340][ T295] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 32.112504][ T295] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 32.112722][ T295] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 32.112897][ T295] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 32.113171][ T295] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.113388][ T295] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 32.113562][ T295] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 32.113736][ T295] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 32.114009][ T295] ? __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) 
[ 32.114196][ T295] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 32.114368][ T295] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.114579][  T295] RIP: 0033:0x7f6394ee87b7
[ 32.114763][ T295] 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)
[   32.115332][  T295] RSP: 002b:00007ffc59eefc38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.115717][  T295] RAX: ffffffffffffffda RBX: 00007ffc59ef0360 RCX: 00007f6394ee87b7
[   32.115983][  T295] RDX: 0000000000000000 RSI: 00007ffc59eefca0 RDI: 0000000000000005
[   32.116236][  T295] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.116578][  T295] R10: 000000003ecad910 R11: 0000000000000246 R12: 0000000000000004
[   32.116841][  T295] R13: 0000000066bea0c5 R14: 0000000000496600 R15: 0000000000000000
| [   32.119415][  T295] 1 lock held by ip/295:
| [ 32.119545][ T295] #0: ffffffff8a5bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   32.119918][  T295]
| [   32.119918][  T295] stack backtrace:
[   32.120382][  T295] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   32.120849][  T295] Call Trace:
[   32.120978][  T295]  <TASK>
[ 32.121067][ T295] dump_stack_lvl (lib/dump_stack.c:122) 
[ 32.121336][ T295] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 32.121511][ T295] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 32.121768][ T295] 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
[ 32.122018][ T295] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 32.122308][ T295] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.122516][ T295] br_add_if (net/bridge/br_if.c:692) bridge
[ 32.122725][ T295] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 32.122893][ T295] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 32.123210][ T295] do_setlink (net/core/rtnetlink.c:2907) 
[ 32.123378][ T295] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 32.123547][ T295] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 32.123754][ T295] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 32.124025][ T295] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 32.124198][ T295] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.124362][ T295] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 32.124525][ T295] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 32.124741][ T295] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 32.124920][ T295] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 32.125089][ T295] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 32.125257][ T295] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 32.125518][ T295] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 32.125656][ T295] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 32.125828][ T295] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 32.126000][ T295] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 32.126173][ T295] ? 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) 
[ 32.126436][ T295] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 32.126618][ T295] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.126829][ T295] ? __create_object (mm/kmemleak.c:751) 
[ 32.126999][ T295] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 32.127274][ T295] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 32.127401][ T295] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 32.127569][ T295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 32.127769][ T295] ? 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) 
[ 32.128034][ T295] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 32.128171][ T295] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 32.128341][ T295] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 32.128508][ T295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 32.128703][ T295] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 32.129015][ T295] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 32.129185][ T295] ? 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) 
[ 32.129352][ T295] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 32.129520][ T295] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 32.129731][ T295] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 32.129905][ T295] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 32.130074][ T295] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 32.130237][ T295] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 32.130506][ T295] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 32.130692][ T295] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 32.130861][ T295] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 32.131025][ T295] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 32.131324][ T295] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 32.131504][ T295] ___sys_sendmsg (net/socket.c:2653) 
[ 32.131713][ T295] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 32.131882][ T295] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 32.132050][ T295] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 32.132404][ T295] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 32.132621][ T295] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 32.132796][ T295] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 32.132986][ T295] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.133314][ T295] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 32.133491][ T295] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 32.133668][ T295] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 32.133832][ T295] ? __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) 
[ 32.134122][ T295] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 32.134291][ T295] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.134499][  T295] RIP: 0033:0x7f6394ee87b7
[ 32.134686][ T295] 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)
[   32.135258][  T295] RSP: 002b:00007ffc59eefc38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.135623][  T295] RAX: ffffffffffffffda RBX: 00007ffc59ef0360 RCX: 00007f6394ee87b7
[   32.135896][  T295] RDX: 0000000000000000 RSI: 00007ffc59eefca0 RDI: 0000000000000005
[   32.136146][  T295] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.136492][  T295] R10: 000000003ecad910 R11: 0000000000000246 R12: 0000000000000004


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