======================================
| [   36.898656][  T346] 1 lock held by ip/346:
| [ 36.898880][ T346] #0: ffffffffa79bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   36.899193][  T346]
| [   36.899193][  T346] stack backtrace:
[   36.899668][  T346] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   36.900041][  T346] Call Trace:
[   36.900180][  T346]  <TASK>
[ 36.900279][ T346] dump_stack_lvl (lib/dump_stack.c:122) 
[ 36.900459][ T346] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 36.900633][ T346] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 36.900926][ T346] 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
[ 36.901164][ T346] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 36.901364][ T346] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.901577][ T346] br_add_if (net/bridge/br_if.c:692) bridge
[ 36.901782][ T346] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 36.901959][ T346] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 36.902179][ T346] do_setlink (net/core/rtnetlink.c:2907) 
[ 36.902350][ T346] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 36.902525][ T346] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 36.902693][ T346] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 36.902862][ T346] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.903034][ T346] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.903204][ T346] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 36.903377][ T346] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 36.903602][ T346] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 36.903786][ T346] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 36.903956][ T346] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 36.904125][ T346] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 36.904304][ T346] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.904437][ T346] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 36.904618][ T346] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 36.904798][ T346] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 36.904978][ T346] ? 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) 
[ 36.905149][ T346] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 36.905326][ T346] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.905545][ T346] ? __create_object (mm/kmemleak.c:751) 
[ 36.905718][ T346] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 36.905893][ T346] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 36.906024][ T346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 36.906195][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.906363][ T346] ? 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) 
[ 36.906529][ T346] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.906664][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 36.906833][ T346] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 36.907006][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.907180][ T346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 36.907365][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 36.907611][ T346] ? 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) 
[ 36.907784][ T346] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 36.907959][ T346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 36.908129][ T346] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.908306][ T346] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 36.908481][ T346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 36.908647][ T346] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 36.908823][ T346] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 36.909008][ T346] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 36.909181][ T346] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 36.909350][ T346] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 36.909559][ T346] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 36.909740][ T346] ___sys_sendmsg (net/socket.c:2653) 
[ 36.909938][ T346] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 36.910112][ T346] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.910287][ T346] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 36.910492][ T346] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 36.910719][ T346] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 36.910902][ T346] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 36.911078][ T346] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.911290][ T346] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 36.911467][ T346] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 36.911635][ T346] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 36.911802][ T346] ? __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) 
[ 36.911998][ T346] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 36.912169][ T346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.912379][  T346] RIP: 0033:0x7f0379e3e7b7
[ 36.912555][ T346] 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)
[   36.913132][  T346] RSP: 002b:00007fffdb9cda58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.913393][  T346] RAX: ffffffffffffffda RBX: 00007fffdb9ce180 RCX: 00007f0379e3e7b7
[   36.913661][  T346] RDX: 0000000000000000 RSI: 00007fffdb9cdac0 RDI: 0000000000000005
[   36.913912][  T346] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.914160][  T346] R10: 0000000005111910 R11: 0000000000000246 R12: 0000000000000004
[   36.914412][  T346] R13: 0000000066bea52c R14: 0000000000496600 R15: 0000000000000000
| [   36.917090][  T346] 1 lock held by ip/346:
| [ 36.917225][ T346] #0: ffffffffa79bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   36.917535][  T346]
| [   36.917535][  T346] stack backtrace:
[   36.918338][  T346] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   36.918812][  T346] Call Trace:
[   36.919042][  T346]  <TASK>
[ 36.919234][ T346] dump_stack_lvl (lib/dump_stack.c:122) 
[ 36.919413][ T346] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 36.919683][ T346] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 36.920031][ T346] 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
[ 36.920387][ T346] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 36.920686][ T346] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.920997][ T346] br_add_if (net/bridge/br_if.c:692) bridge
[ 36.921200][ T346] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 36.921365][ T346] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 36.921685][ T346] do_setlink (net/core/rtnetlink.c:2907) 
[ 36.921855][ T346] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 36.922032][ T346] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 36.922205][ T346] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 36.922373][ T346] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.922546][ T346] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.922713][ T346] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 36.922978][ T346] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 36.923186][ T346] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 36.923365][ T346] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 36.923574][ T346] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 36.923741][ T346] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 36.923913][ T346] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.924047][ T346] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 36.924226][ T346] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 36.924400][ T346] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 36.924674][ T346] ? 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) 
[ 36.924844][ T346] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 36.925022][ T346] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.925239][ T346] ? __create_object (mm/kmemleak.c:751) 
[ 36.925512][ T346] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 36.925687][ T346] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 36.925816][ T346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 36.925986][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.926249][ T346] ? 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) 
[ 36.926414][ T346] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.926546][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 36.926715][ T346] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 36.926887][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.927168][ T346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 36.927461][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 36.927630][ T346] ? 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) 
[ 36.927797][ T346] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 36.928063][ T346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 36.928231][ T346] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.928412][ T346] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 36.928586][ T346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 36.928950][ T346] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 36.929119][ T346] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 36.929297][ T346] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 36.929468][ T346] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 36.929637][ T346] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 36.929845][ T346] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 36.930030][ T346] ___sys_sendmsg (net/socket.c:2653) 
[ 36.930204][ T346] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 36.930472][ T346] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.930643][ T346] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 36.930808][ T346] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 36.931015][ T346] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 36.931281][ T346] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 36.931557][ T346] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.931773][ T346] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 36.931948][ T346] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 36.932119][ T346] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 36.932384][ T346] ? __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) 
[ 36.932568][ T346] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 36.932739][ T346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.933145][  T346] RIP: 0033:0x7f0379e3e7b7
[ 36.933321][ T346] 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)
[   36.934019][  T346] RSP: 002b:00007fffdb9cda58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.934271][  T346] RAX: ffffffffffffffda RBX: 00007fffdb9ce180 RCX: 00007f0379e3e7b7
[   36.934521][  T346] RDX: 0000000000000000 RSI: 00007fffdb9cdac0 RDI: 0000000000000005
[   36.934876][  T346] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.935126][  T346] R10: 0000000005111910 R11: 0000000000000246 R12: 0000000000000004
[   36.935478][  T346] R13: 0000000066bea52c R14: 0000000000496600 R15: 0000000000000000
| [   36.937829][  T346] 1 lock held by ip/346:
| [ 36.937973][ T346] #0: ffffffffa79bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   36.938281][  T346]
| [   36.938281][  T346] stack backtrace:
[   36.938838][  T346] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   36.939215][  T346] Call Trace:
[   36.939441][  T346]  <TASK>
[ 36.939533][ T346] dump_stack_lvl (lib/dump_stack.c:122) 
[ 36.939704][ T346] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 36.939898][ T346] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 36.940255][ T346] 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
[ 36.940500][ T346] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 36.940696][ T346] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.940912][ T346] br_add_if (net/bridge/br_if.c:692) bridge
[ 36.941217][ T346] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 36.941382][ T346] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 36.941594][ T346] do_setlink (net/core/rtnetlink.c:2907) 
[ 36.941760][ T346] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 36.942028][ T346] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 36.942204][ T346] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 36.942369][ T346] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.942540][ T346] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.942824][ T346] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 36.942991][ T346] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 36.943194][ T346] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 36.943371][ T346] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 36.943555][ T346] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 36.943720][ T346] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 36.943889][ T346] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.944024][ T346] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 36.944195][ T346] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 36.944461][ T346] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 36.944637][ T346] ? 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) 
[ 36.944803][ T346] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 36.944973][ T346] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.945274][ T346] ? __create_object (mm/kmemleak.c:751) 
[ 36.945442][ T346] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 36.945619][ T346] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 36.945746][ T346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 36.946019][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.946184][ T346] ? 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) 
[ 36.946347][ T346] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.946478][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 36.946646][ T346] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 36.946811][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.946979][ T346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 36.947168][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 36.947334][ T346] ? 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) 
[ 36.947598][ T346] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 36.947768][ T346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 36.947934][ T346] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.948104][ T346] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 36.948373][ T346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 36.948537][ T346] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 36.948710][ T346] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 36.948884][ T346] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 36.949057][ T346] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 36.949326][ T346] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 36.949534][ T346] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 36.949711][ T346] ___sys_sendmsg (net/socket.c:2653) 
[ 36.949879][ T346] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 36.950149][ T346] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.950321][ T346] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 36.950483][ T346] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 36.950689][ T346] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 36.950964][ T346] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 36.951135][ T346] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.951340][ T346] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 36.951514][ T346] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 36.951684][ T346] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 36.951853][ T346] ? __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) 
[ 36.952043][ T346] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 36.952211][ T346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.952415][  T346] RIP: 0033:0x7f0379e3e7b7
[ 36.952588][ T346] 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)
[   36.953271][  T346] RSP: 002b:00007fffdb9cda58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.953530][  T346] RAX: ffffffffffffffda RBX: 00007fffdb9ce180 RCX: 00007f0379e3e7b7
[   36.953778][  T346] RDX: 0000000000000000 RSI: 00007fffdb9cdac0 RDI: 0000000000000005
[   36.954130][  T346] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.954380][  T346] R10: 0000000005111910 R11: 0000000000000246 R12: 0000000000000004


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