======================================
| [   37.516883][  T331] 1 lock held by ip/331:
| [ 37.517023][ T331] #0: ffffffff9cbbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   37.517351][  T331]
| [   37.517351][  T331] stack backtrace:
[   37.517846][  T331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   37.518222][  T331] Call Trace:
[   37.518356][  T331]  <TASK>
[ 37.518449][ T331] dump_stack_lvl (lib/dump_stack.c:122) 
[ 37.518628][ T331] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 37.518797][ T331] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 37.519084][ T331] 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
[ 37.519335][ T331] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 37.519537][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.519751][ T331] br_add_if (net/bridge/br_if.c:692) bridge
[ 37.519953][ T331] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 37.520122][ T331] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 37.520338][ T331] do_setlink (net/core/rtnetlink.c:2907) 
[ 37.520518][ T331] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 37.520693][ T331] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 37.520862][ T331] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 37.521030][ T331] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.521204][ T331] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.521377][ T331] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 37.521571][ T331] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 37.521822][ T331] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 37.522020][ T331] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 37.522196][ T331] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 37.522365][ T331] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 37.522540][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 37.522672][ T331] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 37.522857][ T331] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 37.523031][ T331] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 37.523214][ T331] ? 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) 
[ 37.523388][ T331] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 37.523573][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.523786][ T331] ? __create_object (mm/kmemleak.c:751) 
[ 37.523983][ T331] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 37.524162][ T331] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 37.524293][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 37.524479][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 37.524645][ T331] ? 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) 
[ 37.524812][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 37.524946][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 37.525123][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 37.525293][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 37.525494][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 37.525683][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 37.525877][ T331] ? 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) 
[ 37.526049][ T331] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 37.526222][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 37.526398][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 37.526578][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 37.526752][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 37.526921][ T331] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 37.527095][ T331] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 37.527273][ T331] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 37.527450][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 37.527619][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 37.527828][ T331] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 37.528024][ T331] ___sys_sendmsg (net/socket.c:2653) 
[ 37.528199][ T331] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 37.528375][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 37.528549][ T331] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 37.528719][ T331] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 37.528935][ T331] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 37.529108][ T331] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 37.529287][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.529504][ T331] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 37.529689][ T331] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 37.529884][ T331] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 37.530055][ T331] ? __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) 
[ 37.530247][ T331] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 37.530427][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.530640][  T331] RIP: 0033:0x7ff39c0307b7
[ 37.530830][ T331] 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)
[   37.531424][  T331] RSP: 002b:00007ffdfab0e2f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.531683][  T331] RAX: ffffffffffffffda RBX: 00007ffdfab0ea20 RCX: 00007ff39c0307b7
[   37.531941][  T331] RDX: 0000000000000000 RSI: 00007ffdfab0e360 RDI: 0000000000000005
[   37.532198][  T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.532477][  T331] R10: 000000003086a910 R11: 0000000000000246 R12: 0000000000000004
[   37.532739][  T331] R13: 0000000066be9f07 R14: 0000000000496600 R15: 0000000000000000
| [   37.534885][  T331] 1 lock held by ip/331:
| [ 37.535024][ T331] #0: ffffffff9cbbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   37.535367][  T331]
| [   37.535367][  T331] stack backtrace:
[   37.535868][  T331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   37.536277][  T331] Call Trace:
[   37.536416][  T331]  <TASK>
[ 37.536515][ T331] dump_stack_lvl (lib/dump_stack.c:122) 
[ 37.536705][ T331] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 37.536889][ T331] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 37.537155][ T331] 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
[ 37.537416][ T331] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 37.537625][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.537882][ T331] br_add_if (net/bridge/br_if.c:692) bridge
[ 37.538098][ T331] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 37.538283][ T331] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 37.538517][ T331] do_setlink (net/core/rtnetlink.c:2907) 
[ 37.538699][ T331] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 37.538886][ T331] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 37.539070][ T331] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 37.539259][ T331] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.539444][ T331] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.539624][ T331] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 37.539843][ T331] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 37.540184][ T331] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 37.540478][ T331] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 37.540788][ T331] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 37.541054][ T331] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 37.541315][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 37.541541][ T331] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 37.541809][ T331] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 37.542115][ T331] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 37.542424][ T331] ? 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) 
[ 37.542726][ T331] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 37.543029][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.543387][ T331] ? __create_object (mm/kmemleak.c:751) 
[ 37.543695][ T331] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 37.543998][ T331] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 37.544226][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 37.544525][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 37.544822][ T331] ? 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) 
[ 37.545119][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 37.545365][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 37.545657][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 37.545947][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 37.546255][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 37.546572][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 37.546868][ T331] ? 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) 
[ 37.547155][ T331] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 37.547461][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 37.547762][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 37.548079][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 37.548387][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 37.548690][ T331] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 37.548981][ T331] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 37.549282][ T331] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 37.549583][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 37.549875][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 37.550233][ T331] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 37.550542][ T331] ___sys_sendmsg (net/socket.c:2653) 
[ 37.550838][ T331] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 37.551137][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 37.551434][ T331] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 37.551715][ T331] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 37.552080][ T331] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 37.552381][ T331] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 37.552678][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.553028][ T331] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 37.553341][ T331] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 37.553645][ T331] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 37.553923][ T331] ? __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) 
[ 37.554242][ T331] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 37.554534][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.554892][  T331] RIP: 0033:0x7ff39c0307b7
[ 37.555193][ T331] 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)
[   37.556229][  T331] RSP: 002b:00007ffdfab0e2f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.556662][  T331] RAX: ffffffffffffffda RBX: 00007ffdfab0ea20 RCX: 00007ff39c0307b7
[   37.557099][  T331] RDX: 0000000000000000 RSI: 00007ffdfab0e360 RDI: 0000000000000005
[   37.557847][  T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.558273][  T331] R10: 000000003086a910 R11: 0000000000000246 R12: 0000000000000004
[   37.558679][  T331] R13: 0000000066be9f07 R14: 0000000000496600 R15: 0000000000000000
| [   37.562605][  T331] 1 lock held by ip/331:
| [ 37.562803][ T331] #0: ffffffff9cbbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   37.563309][  T331]
| [   37.563309][  T331] stack backtrace:
[   37.564048][  T331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   37.564953][  T331] Call Trace:
[   37.565158][  T331]  <TASK>
[ 37.565314][ T331] dump_stack_lvl (lib/dump_stack.c:122) 
[ 37.565598][ T331] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 37.566040][ T331] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 37.566424][ T331] 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
[ 37.566816][ T331] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 37.567131][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.567664][ T331] br_add_if (net/bridge/br_if.c:692) bridge
[ 37.568014][ T331] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 37.568309][ T331] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 37.568672][ T331] do_setlink (net/core/rtnetlink.c:2907) 
[ 37.569149][ T331] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 37.569446][ T331] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 37.569746][ T331] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 37.570037][ T331] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.570510][ T331] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.570793][ T331] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 37.571082][ T331] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 37.571437][ T331] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 37.571931][ T331] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 37.572216][ T331] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 37.572503][ T331] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 37.572785][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 37.573178][ T331] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 37.573473][ T331] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 37.573779][ T331] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 37.574070][ T331] ? 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) 
[ 37.574360][ T331] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 37.574843][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.575204][ T331] ? __create_object (mm/kmemleak.c:751) 
[ 37.575506][ T331] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 37.575803][ T331] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 37.576213][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 37.576515][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 37.576806][ T331] ? 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) 
[ 37.577099][ T331] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 37.577514][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 37.577808][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 37.578102][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 37.578385][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 37.578700][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 37.579178][ T331] ? 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) 
[ 37.579474][ T331] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 37.579773][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 37.580065][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 37.580534][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 37.580833][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 37.581117][ T331] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 37.581405][ T331] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 37.581883][ T331] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 37.582174][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 37.582453][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 37.582805][ T331] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 37.583283][ T331] ___sys_sendmsg (net/socket.c:2653) 
[ 37.583592][ T331] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 37.583884][ T331] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 37.584173][ T331] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 37.584641][ T331] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 37.584999][ T331] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 37.585294][ T331] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 37.585619][ T331] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.586159][ T331] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 37.586468][ T331] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 37.586755][ T331] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 37.587039][ T331] ? __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) 
[ 37.587712][ T331] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 37.588006][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.588367][  T331] RIP: 0033:0x7ff39c0307b7
[ 37.588674][ T331] 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)
[   37.589851][  T331] RSP: 002b:00007ffdfab0e2f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.590296][  T331] RAX: ffffffffffffffda RBX: 00007ffdfab0ea20 RCX: 00007ff39c0307b7
[   37.590909][  T331] RDX: 0000000000000000 RSI: 00007ffdfab0e360 RDI: 0000000000000005
[   37.591319][  T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.591908][  T331] R10: 000000003086a910 R11: 0000000000000246 R12: 0000000000000004


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