======================================
| [   37.519290][  T345] 1 lock held by ip/345:
| [ 37.519444][ T345] #0: ffffffff925bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   37.519782][  T345]
| [   37.519782][  T345] stack backtrace:
[   37.520283][  T345] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   37.520681][  T345] Call Trace:
[   37.520828][  T345]  <TASK>
[ 37.520925][ T345] dump_stack_lvl (lib/dump_stack.c:122) 
[ 37.521117][ T345] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 37.521303][ T345] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 37.521585][ T345] 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
[ 37.521850][ T345] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 37.522066][ T345] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.522295][ T345] br_add_if (net/bridge/br_if.c:692) bridge
[ 37.522512][ T345] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 37.522694][ T345] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 37.522929][ T345] do_setlink (net/core/rtnetlink.c:2907) 
[ 37.523117][ T345] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 37.523305][ T345] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 37.523490][ T345] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 37.523674][ T345] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.523863][ T345] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.524043][ T345] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 37.524226][ T345] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 37.524454][ T345] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 37.524654][ T345] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 37.524838][ T345] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 37.525018][ T345] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 37.525204][ T345] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 37.525348][ T345] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 37.525537][ T345] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 37.525727][ T345] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 37.525919][ T345] ? 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) 
[ 37.526110][ T345] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 37.526304][ T345] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.526533][ T345] ? __create_object (mm/kmemleak.c:751) 
[ 37.526766][ T345] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 37.526961][ T345] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 37.527107][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 37.527297][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 37.527478][ T345] ? 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) 
[ 37.527660][ T345] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 37.527810][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 37.527994][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 37.528178][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 37.528365][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 37.528567][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 37.528759][ T345] ? 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) 
[ 37.528944][ T345] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 37.529130][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 37.529321][ T345] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 37.529510][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 37.529697][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 37.529876][ T345] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 37.530066][ T345] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 37.530258][ T345] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 37.530444][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 37.530626][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 37.530859][ T345] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 37.531055][ T345] ___sys_sendmsg (net/socket.c:2653) 
[ 37.531241][ T345] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 37.531426][ T345] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 37.531624][ T345] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 37.531807][ T345] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 37.532039][ T345] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 37.532227][ T345] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 37.532421][ T345] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.532649][ T345] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 37.532841][ T345] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 37.533025][ T345] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 37.533208][ T345] ? __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) 
[ 37.533461][ T345] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 37.533636][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.533849][  T345] RIP: 0033:0x7f92ec9007b7
[ 37.534029][ T345] 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)
[   37.534617][  T345] RSP: 002b:00007fff45ad8d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.534870][  T345] RAX: ffffffffffffffda RBX: 00007fff45ad9480 RCX: 00007f92ec9007b7
[   37.535135][  T345] RDX: 0000000000000000 RSI: 00007fff45ad8dc0 RDI: 0000000000000005
[   37.535390][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.535643][  T345] R10: 0000000021fcc910 R11: 0000000000000246 R12: 0000000000000004
[   37.535900][  T345] R13: 0000000066bea11e R14: 0000000000496600 R15: 0000000000000000
| [   37.537959][  T345] 1 lock held by ip/345:
| [ 37.538092][ T345] #0: ffffffff925bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   37.538427][  T345]
| [   37.538427][  T345] stack backtrace:
[   37.538890][  T345] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   37.539268][  T345] Call Trace:
[   37.539410][  T345]  <TASK>
[ 37.539507][ T345] dump_stack_lvl (lib/dump_stack.c:122) 
[ 37.539694][ T345] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 37.539875][ T345] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 37.540138][ T345] 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
[ 37.540401][ T345] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 37.540616][ T345] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.540835][ T345] br_add_if (net/bridge/br_if.c:692) bridge
[ 37.541037][ T345] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 37.541203][ T345] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 37.541422][ T345] do_setlink (net/core/rtnetlink.c:2907) 
[ 37.541592][ T345] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 37.541765][ T345] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 37.541935][ T345] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 37.542111][ T345] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.542282][ T345] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.542453][ T345] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 37.542621][ T345] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 37.542828][ T345] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 37.543008][ T345] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 37.543175][ T345] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 37.543353][ T345] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 37.543522][ T345] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 37.543654][ T345] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 37.543828][ T345] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 37.544005][ T345] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 37.544179][ T345] ? 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) 
[ 37.544350][ T345] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 37.544524][ T345] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.544743][ T345] ? __create_object (mm/kmemleak.c:751) 
[ 37.544920][ T345] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 37.545094][ T345] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 37.545225][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 37.545397][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 37.545568][ T345] ? 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) 
[ 37.545736][ T345] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 37.545870][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 37.546041][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 37.546210][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 37.546386][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 37.546571][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 37.546749][ T345] ? 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) 
[ 37.546923][ T345] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 37.547095][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 37.547263][ T345] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 37.547438][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 37.547617][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 37.547786][ T345] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 37.547957][ T345] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 37.548133][ T345] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 37.548303][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 37.548471][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 37.548678][ T345] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 37.548856][ T345] ___sys_sendmsg (net/socket.c:2653) 
[ 37.549034][ T345] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 37.549204][ T345] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 37.549373][ T345] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 37.549539][ T345] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 37.549748][ T345] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 37.550073][ T345] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 37.550249][ T345] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.550465][ T345] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 37.550646][ T345] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 37.550911][ T345] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 37.551079][ T345] ? __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) 
[ 37.551271][ T345] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 37.551443][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.551747][  T345] RIP: 0033:0x7f92ec9007b7
[ 37.551921][ T345] 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)
[   37.552627][  T345] RSP: 002b:00007fff45ad8d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.552885][  T345] RAX: ffffffffffffffda RBX: 00007fff45ad9480 RCX: 00007f92ec9007b7
[   37.553138][  T345] RDX: 0000000000000000 RSI: 00007fff45ad8dc0 RDI: 0000000000000005
[   37.553399][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.553657][  T345] R10: 0000000021fcc910 R11: 0000000000000246 R12: 0000000000000004
[   37.553911][  T345] R13: 0000000066bea11e R14: 0000000000496600 R15: 0000000000000000
| [   37.556144][  T345] 1 lock held by ip/345:
| [ 37.556276][ T345] #0: ffffffff925bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   37.556720][  T345]
| [   37.556720][  T345] stack backtrace:
[   37.557182][  T345] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   37.557558][  T345] Call Trace:
[   37.557687][  T345]  <TASK>
[ 37.557783][ T345] dump_stack_lvl (lib/dump_stack.c:122) 
[ 37.557964][ T345] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 37.558231][ T345] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 37.558480][ T345] 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
[ 37.558726][ T345] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 37.559020][ T345] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.559233][ T345] br_add_if (net/bridge/br_if.c:692) bridge
[ 37.559444][ T345] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 37.559614][ T345] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 37.559931][ T345] do_setlink (net/core/rtnetlink.c:2907) 
[ 37.560103][ T345] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 37.560275][ T345] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 37.560444][ T345] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 37.560711][ T345] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.560881][ T345] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.561056][ T345] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 37.561225][ T345] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 37.561541][ T345] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 37.561735][ T345] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 37.561905][ T345] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 37.562074][ T345] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 37.562246][ T345] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 37.562378][ T345] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 37.562557][ T345] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 37.562734][ T345] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 37.562911][ T345] ? 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) 
[ 37.563179][ T345] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 37.563355][ T345] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.563573][ T345] ? __create_object (mm/kmemleak.c:751) 
[ 37.563745][ T345] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 37.564019][ T345] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 37.564156][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 37.564328][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 37.564498][ T345] ? 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) 
[ 37.564667][ T345] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 37.564899][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 37.565073][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 37.565243][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 37.565413][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 37.565694][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 37.565871][ T345] ? 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) 
[ 37.566042][ T345] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 37.566216][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 37.566506][ T345] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 37.566687][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 37.566863][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 37.567030][ T345] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 37.567201][ T345] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 37.567390][ T345] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 37.567561][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 37.567729][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 37.567936][ T345] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 37.568116][ T345] ___sys_sendmsg (net/socket.c:2653) 
[ 37.568288][ T345] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 37.568472][ T345] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 37.568644][ T345] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 37.568909][ T345] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 37.569117][ T345] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 37.569288][ T345] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 37.569462][ T345] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 37.569769][ T345] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 37.569946][ T345] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 37.570115][ T345] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 37.570285][ T345] ? __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) 
[ 37.570590][ T345] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 37.570766][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.570976][  T345] RIP: 0033:0x7f92ec9007b7
[ 37.571149][ T345] 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)
[   37.571733][  T345] RSP: 002b:00007fff45ad8d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.571988][  T345] RAX: ffffffffffffffda RBX: 00007fff45ad9480 RCX: 00007f92ec9007b7
[   37.572235][  T345] RDX: 0000000000000000 RSI: 00007fff45ad8dc0 RDI: 0000000000000005
[   37.572489][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.572740][  T345] R10: 0000000021fcc910 R11: 0000000000000246 R12: 0000000000000004


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