======================================
| [   31.488360][  T290] 1 lock held by ip/290:
| [ 31.488594][ T290] #0: ffffffffbc5bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.489090][  T290]
| [   31.489090][  T290] stack backtrace:
[   31.489840][  T290] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.490454][  T290] Call Trace:
[   31.490675][  T290]  <TASK>
[ 31.490826][ T290] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.491124][ T290] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.491401][ T290] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.491870][ 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
[ 31.492277][ T290] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.492611][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.492948][ T290] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.493281][ T290] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.493543][ T290] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.493879][ T290] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.494162][ T290] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.494441][ T290] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.494727][ T290] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.494993][ T290] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.495265][ T290] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.495547][ T290] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.495830][ T290] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.496164][ T290] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.496462][ T290] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.496733][ T290] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.496999][ T290] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.497263][ T290] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.497469][ T290] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.497736][ T290] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.498011][ T290] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.498280][ 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) 
[ 31.498543][ T290] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.498831][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.499156][ T290] ? __create_object (mm/kmemleak.c:751) 
[ 31.499433][ T290] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.499727][ T290] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.499946][ T290] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.500234][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.500517][ 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) 
[ 31.500800][ T290] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.501007][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.501273][ T290] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.501535][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.501803][ T290] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.502090][ T290] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.502351][ 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) 
[ 31.502608][ T290] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.502873][ T290] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.503142][ T290] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.503408][ T290] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.503669][ T290] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.503915][ T290] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.504175][ T290] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.504459][ T290] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.504722][ T290] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.504977][ T290] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.505305][ T290] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.505591][ T290] ___sys_sendmsg (net/socket.c:2653) 
[ 31.505879][ T290] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.506162][ T290] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.506436][ T290] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.506715][ T290] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.507040][ T290] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.507314][ T290] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.507596][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.507937][ T290] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.508226][ T290] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.508492][ T290] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.508768][ 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) 
[ 31.509085][ T290] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.509357][ T290] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.509707][  T290] RIP: 0033:0x7f556efc77b7
[ 31.510003][ 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)
[   31.510943][  T290] RSP: 002b:00007ffe0e83be88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.511361][  T290] RAX: ffffffffffffffda RBX: 00007ffe0e83c5b0 RCX: 00007f556efc77b7
[   31.511767][  T290] RDX: 0000000000000000 RSI: 00007ffe0e83bef0 RDI: 0000000000000005
[   31.512168][  T290] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.512587][  T290] R10: 0000000006616910 R11: 0000000000000246 R12: 0000000000000004
[   31.512996][  T290] R13: 0000000066bea0d6 R14: 0000000000496600 R15: 0000000000000000
| [   31.516309][  T290] 1 lock held by ip/290:
| [ 31.516551][ T290] #0: ffffffffbc5bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.517291][  T290]
| [   31.517291][  T290] stack backtrace:
[   31.518079][  T290] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.518845][  T290] Call Trace:
[   31.519258][  T290]  <TASK>
[ 31.519397][ T290] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.519688][ T290] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.519957][ T290] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.520694][ 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
[ 31.521099][ T290] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.521426][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.521768][ T290] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.522268][ T290] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.522571][ T290] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.522928][ T290] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.523372][ T290] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.523650][ T290] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.523986][ T290] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.524413][ T290] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.524860][ T290] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.525136][ T290] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.525762][ T290] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.526263][ T290] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.526737][ T290] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.527198][ T290] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.527653][ T290] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.527922][ T290] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.528138][ T290] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.528584][ T290] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.528881][ T290] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.529350][ 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) 
[ 31.529638][ T290] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.529909][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.530253][ T290] ? __create_object (mm/kmemleak.c:751) 
[ 31.530535][ T290] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.530832][ T290] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.531229][ T290] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.531517][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.531787][ 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) 
[ 31.532062][ T290] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.532267][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.532721][ T290] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.532911][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.533167][ T290] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.533474][ T290] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.533740][ 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) 
[ 31.534026][ T290] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.534317][ T290] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.534603][ T290] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.534898][ T290] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.535191][ T290] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.535620][ T290] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.535890][ T290] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.536182][ T290] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.536455][ T290] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.536729][ T290] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.537076][ T290] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.537538][ T290] ___sys_sendmsg (net/socket.c:2653) 
[ 31.537806][ T290] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.538254][ T290] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.538546][ T290] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.538837][ T290] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.539358][ T290] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.539638][ T290] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.539926][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.540258][ T290] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.540721][ T290] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.541003][ T290] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.541275][ 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) 
[ 31.541577][ T290] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.542028][ T290] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.542363][  T290] RIP: 0033:0x7f556efc77b7
[ 31.542662][ 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)
[   31.543775][  T290] RSP: 002b:00007ffe0e83be88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.544225][  T290] RAX: ffffffffffffffda RBX: 00007ffe0e83c5b0 RCX: 00007f556efc77b7
[   31.544819][  T290] RDX: 0000000000000000 RSI: 00007ffe0e83bef0 RDI: 0000000000000005
[   31.545219][  T290] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.545624][  T290] R10: 0000000006616910 R11: 0000000000000246 R12: 0000000000000004
[   31.546033][  T290] R13: 0000000066bea0d6 R14: 0000000000496600 R15: 0000000000000000
| [   31.549515][  T290] 1 lock held by ip/290:
| [ 31.549729][ T290] #0: ffffffffbc5bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.550239][  T290]
| [   31.550239][  T290] stack backtrace:
[   31.550978][  T290] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.551586][  T290] Call Trace:
[   31.551805][  T290]  <TASK>
[ 31.551957][ T290] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.552250][ T290] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.552527][ T290] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.552936][ 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
[ 31.553516][ T290] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.553843][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.554359][ T290] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.554677][ T290] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.554953][ T290] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.555303][ T290] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.555589][ T290] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.555881][ T290] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.556345][ T290] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.556613][ T290] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.556892][ T290] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.557150][ T290] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.557599][ T290] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.557948][ T290] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.558248][ T290] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.558526][ T290] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.558805][ T290] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.559056][ T290] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.559273][ T290] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.559551][ T290] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.559857][ T290] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.560158][ 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) 
[ 31.560465][ T290] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.560766][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.561119][ T290] ? __create_object (mm/kmemleak.c:751) 
[ 31.561407][ T290] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.561697][ T290] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.561918][ T290] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.562153][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.562548][ 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) 
[ 31.562824][ T290] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.563040][ T290] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.563337][ T290] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.563631][ T290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.563917][ T290] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.564218][ T290] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.564517][ 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) 
[ 31.564819][ T290] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.565127][ T290] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.565410][ T290] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.565686][ T290] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.565983][ T290] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.566248][ T290] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.566513][ T290] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.566780][ T290] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.567050][ T290] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.567488][ T290] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.567823][ T290] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.568118][ T290] ___sys_sendmsg (net/socket.c:2653) 
[ 31.568395][ T290] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.568697][ T290] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.568970][ T290] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.569155][ T290] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.569394][ T290] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.569568][ T290] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.569747][ T290] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.569989][ T290] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.570167][ T290] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.570366][ T290] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.570534][ 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) 
[ 31.570736][ T290] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.570917][ T290] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.571340][  T290] RIP: 0033:0x7f556efc77b7
[ 31.571519][ 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)
[   31.572204][  T290] RSP: 002b:00007ffe0e83be88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.572491][  T290] RAX: ffffffffffffffda RBX: 00007ffe0e83c5b0 RCX: 00007f556efc77b7
[   31.572762][  T290] RDX: 0000000000000000 RSI: 00007ffe0e83bef0 RDI: 0000000000000005
[   31.573121][  T290] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.573387][  T290] R10: 0000000006616910 R11: 0000000000000246 R12: 0000000000000004


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