======================================
| [   31.084732][  T290] 1 lock held by ip/290:
| [ 31.084871][ T290] #0: ffffffffb7fbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.085304][  T290]
| [   31.085304][  T290] stack backtrace:
[   31.085941][  T290] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.086311][  T290] Call Trace:
[   31.086450][  T290]  <TASK>
[ 31.086537][ T290] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.086711][ T290] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.086878][ T290] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.087167][ T290] br_get_link_af_size_filtered (net/bridge/br_private.h:930 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) bridge
[ 31.087421][ T290] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.087618][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.087825][ T290] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.088026][ T290] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.088190][ T290] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.088414][ T290] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.088582][ T290] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.088757][ T290] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.088929][ T290] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.089094][ T290] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.089263][ T290] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.089429][ T290] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.089600][ T290] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.089806][ T290] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.089985][ T290] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.090152][ T290] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.090324][ T290] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.090495][ T290] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.090638][ T290] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.090808][ T290] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.090984][ T290] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.091173][ T290] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) 
[ 31.091343][ T290] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.091520][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.091734][ T290] ? __create_object (mm/kmemleak.c:751) 
[ 31.091907][ T290] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.092080][ T290] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.092208][ T290] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.092381][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.092554][ T290] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) 
[ 31.092719][ T290] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.092852][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.093025][ T290] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.093214][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.093387][ T290] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.093569][ T290] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.093743][ T290] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 31.093914][ T290] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.094088][ T290] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.094269][ T290] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.094453][ T290] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.094624][ T290] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.094790][ T290] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.094975][ T290] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.095148][ T290] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.095319][ T290] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.095489][ T290] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.095693][ T290] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.095875][ T290] ___sys_sendmsg (net/socket.c:2653) 
[ 31.096044][ T290] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.096216][ T290] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.096389][ T290] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.096553][ T290] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.096759][ T290] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.096928][ T290] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.097100][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.097312][ T290] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.097495][ T290] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.097663][ T290] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.097828][ T290] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65) 
[ 31.098016][ T290] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.098190][ T290] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.098404][  T290] RIP: 0033:0x7f4d3c8047b7
[ 31.098582][ T290] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   31.099158][  T290] RSP: 002b:00007ffe44a6fb08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.099412][  T290] RAX: ffffffffffffffda RBX: 00007ffe44a70230 RCX: 00007f4d3c8047b7
[   31.099663][  T290] RDX: 0000000000000000 RSI: 00007ffe44a6fb70 RDI: 0000000000000005
[   31.099917][  T290] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.100166][  T290] R10: 00000000349e3910 R11: 0000000000000246 R12: 0000000000000004
[   31.100415][  T290] R13: 0000000066bea734 R14: 0000000000496600 R15: 0000000000000000
| [   31.103148][  T290] 1 lock held by ip/290:
| [ 31.103288][ T290] #0: ffffffffb7fbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.103629][  T290]
| [   31.103629][  T290] stack backtrace:
[   31.104139][  T290] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.104719][  T290] Call Trace:
[   31.104860][  T290]  <TASK>
[ 31.104958][ T290] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.105145][ T290] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.105326][ T290] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.105694][ T290] br_get_link_af_size_filtered (net/bridge/br_private.h:453 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) bridge
[ 31.105957][ T290] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.106176][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.106509][ T290] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.106726][ T290] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.106907][ T290] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.107135][ T290] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.107319][ T290] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.107500][ T290] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.107686][ T290] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.107868][ T290] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.108062][ T290] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.108339][ T290] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.108518][ T290] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.108746][ T290] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.108941][ T290] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.109222][ T290] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.109405][ T290] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.109591][ T290] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.109730][ T290] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.110012][ T290] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.110194][ T290] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.110379][ T290] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) 
[ 31.110557][ T290] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.110844][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.111297][ T290] ? __create_object (mm/kmemleak.c:751) 
[ 31.111479][ T290] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.111664][ T290] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.111793][ T290] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.111971][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.112136][ T290] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) 
[ 31.112309][ T290] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.112443][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.112707][ T290] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.112876][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.113050][ T290] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.113231][ T290] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.113508][ T290] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 31.113680][ T290] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.113851][ T290] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.114016][ T290] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.114191][ T290] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.114362][ T290] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.114534][ T290] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.114704][ T290] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.114877][ T290] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.115149][ T290] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.115327][ T290] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.115541][ T290] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.115723][ T290] ___sys_sendmsg (net/socket.c:2653) 
[ 31.115988][ T290] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.116158][ T290] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.116330][ T290] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.116497][ T290] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.116811][ T290] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.116986][ T290] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.117161][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.117377][ T290] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.117747][ T290] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.117925][ T290] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.118093][ T290] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65) 
[ 31.118297][ T290] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.118565][ T290] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.118771][  T290] RIP: 0033:0x7f4d3c8047b7
[ 31.118954][ T290] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   31.119650][  T290] RSP: 002b:00007ffe44a6fb08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.119899][  T290] RAX: ffffffffffffffda RBX: 00007ffe44a70230 RCX: 00007f4d3c8047b7
[   31.120242][  T290] RDX: 0000000000000000 RSI: 00007ffe44a6fb70 RDI: 0000000000000005
[   31.120499][  T290] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.120759][  T290] R10: 00000000349e3910 R11: 0000000000000246 R12: 0000000000000004
[   31.121154][  T290] R13: 0000000066bea734 R14: 0000000000496600 R15: 0000000000000000
| [   31.123669][  T290] 1 lock held by ip/290:
| [ 31.123812][ T290] #0: ffffffffb7fbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.124160][  T290]
| [   31.124160][  T290] stack backtrace:
[   31.124894][  T290] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.125297][  T290] Call Trace:
[   31.125443][  T290]  <TASK>
[ 31.125534][ T290] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.125713][ T290] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.125879][ T290] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.126128][ T290] br_get_link_af_size_filtered (net/bridge/br_private.h:1611 net/bridge/br_private.h:1608 net/bridge/br_netlink.c:107) bridge
[ 31.126473][ T290] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.126669][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.126889][ T290] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.127190][ T290] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.127366][ T290] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.127582][ T290] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.127753][ T290] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.128018][ T290] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.128187][ T290] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.128367][ T290] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.128540][ T290] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.128710][ T290] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.129068][ T290] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.129279][ T290] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.129459][ T290] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.129627][ T290] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.129895][ T290] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.130062][ T290] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.130194][ T290] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.130373][ T290] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.130644][ T290] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.130817][ T290] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) 
[ 31.130986][ T290] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.131170][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.131501][ T290] ? __create_object (mm/kmemleak.c:751) 
[ 31.131683][ T290] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.131858][ T290] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.131985][ T290] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.132157][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.132327][ T290] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:227) 
[ 31.132492][ T290] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.132627][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.132796][ T290] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.133059][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.133226][ T290] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.133412][ T290] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.133585][ T290] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 31.133849][ T290] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.134027][ T290] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.134194][ T290] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.134370][ T290] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.134551][ T290] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.134825][ T290] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.134994][ T290] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.135170][ T290] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.135351][ T290] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.135616][ T290] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.135819][ T290] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.135999][ T290] ___sys_sendmsg (net/socket.c:2653) 
[ 31.136168][ T290] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.136433][ T290] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.136609][ T290] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.136773][ T290] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.136988][ T290] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.137252][ T290] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.137426][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.137634][ T290] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.137807][ T290] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.138068][ T290] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.138232][ T290] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65) 
[ 31.138424][ T290] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.138594][ T290] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.138913][  T290] RIP: 0033:0x7f4d3c8047b7
[ 31.139085][ T290] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   31.139756][  T290] RSP: 002b:00007ffe44a6fb08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.140021][  T290] RAX: ffffffffffffffda RBX: 00007ffe44a70230 RCX: 00007f4d3c8047b7
[   31.140266][  T290] RDX: 0000000000000000 RSI: 00007ffe44a6fb70 RDI: 0000000000000005
[   31.140619][  T290] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.140863][  T290] R10: 00000000349e3910 R11: 0000000000000246 R12: 0000000000000004


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