======================================
| [   39.000511][  T293] 1 lock held by ip/293:
| [ 39.000711][ T293] #0: ffffffffb3bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   39.001089][  T293]
| [   39.001089][  T293] stack backtrace:
[   39.001744][  T293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   39.002203][  T293] Call Trace:
[   39.002367][  T293]  <TASK>
[ 39.002484][ T293] dump_stack_lvl (lib/dump_stack.c:122) 
[ 39.002704][ T293] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 39.002947][ T293] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 39.003322][ T293] 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
[ 39.003657][ T293] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 39.003929][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 39.004226][ T293] br_add_if (net/bridge/br_if.c:692) bridge
[ 39.004480][ T293] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 39.004719][ T293] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 39.005011][ T293] do_setlink (net/core/rtnetlink.c:2907) 
[ 39.005224][ T293] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 39.005484][ T293] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 39.005709][ T293] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 39.005927][ T293] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.006144][ T293] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.006370][ T293] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 39.006603][ T293] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 39.006904][ T293] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 39.007166][ T293] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 39.007386][ T293] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 39.007607][ T293] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 39.007836][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 39.008014][ T293] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 39.008222][ T293] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 39.008435][ T293] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 39.008675][ T293] ? 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) 
[ 39.008896][ T293] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 39.009150][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 39.009546][ T293] ? __create_object (mm/kmemleak.c:751) 
[ 39.009871][ T293] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 39.010181][ T293] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 39.010432][ T293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 39.010731][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 39.011059][ T293] ? 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) 
[ 39.011351][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 39.011938][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 39.012159][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 39.012368][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 39.012613][ T293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 39.012873][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 39.013124][ T293] ? 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) 
[ 39.013357][ T293] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 39.013582][ T293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 39.013806][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 39.014018][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 39.014266][ T293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 39.014498][ T293] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 39.014714][ T293] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 39.015144][ T293] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 39.015354][ T293] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 39.015571][ T293] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 39.015827][ T293] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 39.016083][ T293] ___sys_sendmsg (net/socket.c:2653) 
[ 39.016317][ T293] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 39.016506][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 39.016711][ T293] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 39.016947][ T293] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 39.017257][ T293] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 39.017460][ T293] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 39.017693][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 39.017961][ T293] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 39.018178][ T293] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 39.018428][ T293] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 39.018652][ T293] ? __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) 
[ 39.018896][ T293] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.019100][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.019393][  T293] RIP: 0033:0x7fbb61ffc7b7
[ 39.019650][ T293] 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)
[   39.020440][  T293] RSP: 002b:00007ffc6a938258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.020777][  T293] RAX: ffffffffffffffda RBX: 00007ffc6a938980 RCX: 00007fbb61ffc7b7
[   39.021090][  T293] RDX: 0000000000000000 RSI: 00007ffc6a9382c0 RDI: 0000000000000005
[   39.021500][  T293] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   39.021922][  T293] R10: 0000000008012910 R11: 0000000000000246 R12: 0000000000000004
[   39.022291][  T293] R13: 0000000066be9cdf R14: 0000000000496600 R15: 0000000000000000
| [   39.025943][  T293] 1 lock held by ip/293:
| [ 39.026202][ T293] #0: ffffffffb3bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   39.026796][  T293]
| [   39.026796][  T293] stack backtrace:
[   39.027897][  T293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   39.028763][  T293] Call Trace:
[   39.028998][  T293]  <TASK>
[ 39.029168][ T293] dump_stack_lvl (lib/dump_stack.c:122) 
[ 39.029485][ T293] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 39.029986][ T293] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 39.030467][ T293] 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
[ 39.030970][ T293] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 39.031213][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 39.031485][ T293] br_add_if (net/bridge/br_if.c:692) bridge
[ 39.031867][ T293] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 39.032073][ T293] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 39.032331][ T293] do_setlink (net/core/rtnetlink.c:2907) 
[ 39.032539][ T293] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 39.032873][ T293] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 39.033069][ T293] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 39.033273][ T293] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.033588][ T293] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.033814][ T293] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 39.034010][ T293] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 39.034253][ T293] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 39.034460][ T293] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 39.034775][ T293] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 39.034980][ T293] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 39.035224][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 39.035458][ T293] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 39.035761][ T293] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 39.036249][ T293] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 39.036571][ T293] ? 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) 
[ 39.036864][ T293] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 39.037356][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 39.037736][ T293] ? __create_object (mm/kmemleak.c:751) 
[ 39.038043][ T293] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 39.038541][ T293] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 39.038765][ T293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 39.039076][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 39.039400][ T293] ? 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) 
[ 39.039726][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 39.039956][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 39.040210][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 39.040589][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 39.040824][ T293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 39.041070][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 39.041456][ T293] ? 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) 
[ 39.041703][ T293] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 39.041991][ T293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 39.042257][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 39.042524][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 39.042786][ T293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 39.043247][ T293] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 39.043575][ T293] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 39.044016][ T293] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 39.044334][ T293] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 39.044551][ T293] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 39.044811][ T293] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 39.045093][ T293] ___sys_sendmsg (net/socket.c:2653) 
[ 39.045476][ T293] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 39.045786][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 39.046095][ T293] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 39.046396][ T293] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 39.046751][ T293] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 39.047437][ T293] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 39.047792][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 39.048163][ T293] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 39.048558][ T293] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 39.049072][ T293] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 39.049425][ T293] ? __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) 
[ 39.049930][ T293] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.050242][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.050791][  T293] RIP: 0033:0x7fbb61ffc7b7
[ 39.051120][ T293] 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)
[   39.052859][  T293] RSP: 002b:00007ffc6a938258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.053307][  T293] RAX: ffffffffffffffda RBX: 00007ffc6a938980 RCX: 00007fbb61ffc7b7
[   39.053624][  T293] RDX: 0000000000000000 RSI: 00007ffc6a9382c0 RDI: 0000000000000005
[   39.053946][  T293] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   39.054278][  T293] R10: 0000000008012910 R11: 0000000000000246 R12: 0000000000000004
[   39.054653][  T293] R13: 0000000066be9cdf R14: 0000000000496600 R15: 0000000000000000
| [   39.058448][  T293] 1 lock held by ip/293:
| [ 39.058672][ T293] #0: ffffffffb3bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   39.059435][  T293]
| [   39.059435][  T293] stack backtrace:
[   39.060346][  T293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   39.061151][  T293] Call Trace:
[   39.061394][  T293]  <TASK>
[ 39.061571][ T293] dump_stack_lvl (lib/dump_stack.c:122) 
[ 39.062007][ T293] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 39.062318][ T293] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 39.062738][ T293] 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
[ 39.063156][ T293] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 39.063705][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 39.064076][ T293] br_add_if (net/bridge/br_if.c:692) bridge
[ 39.064476][ T293] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 39.064762][ T293] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 39.065356][ T293] do_setlink (net/core/rtnetlink.c:2907) 
[ 39.065686][ T293] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 39.066009][ T293] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 39.066493][ T293] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 39.066802][ T293] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 39.067084][ T293] ? __kernel_text_address (kernel/extable.c:79) 
[ 39.067382][ T293] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 39.067680][ T293] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 39.068059][ T293] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 39.068580][ T293] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 39.068866][ T293] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 39.069145][ T293] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 39.069472][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 39.069691][ T293] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 39.069979][ T293] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 39.070303][ T293] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 39.070623][ T293] ? 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) 
[ 39.071134][ T293] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 39.071442][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 39.071834][ T293] ? __create_object (mm/kmemleak.c:751) 
[ 39.072018][ T293] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 39.072342][ T293] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 39.072556][ T293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 39.072815][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 39.073400][ T293] ? 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) 
[ 39.073662][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 39.073927][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 39.074219][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 39.074519][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 39.074816][ T293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 39.075183][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 39.075445][ T293] ? 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) 
[ 39.075721][ T293] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 39.076049][ T293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 39.076342][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 39.076845][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 39.077130][ T293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 39.077425][ T293] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 39.077727][ T293] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 39.078057][ T293] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 39.078531][ T293] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 39.078808][ T293] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 39.079206][ T293] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 39.079556][ T293] ___sys_sendmsg (net/socket.c:2653) 
[ 39.079900][ T293] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 39.080240][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 39.080545][ T293] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 39.081042][ T293] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 39.081428][ T293] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 39.081757][ T293] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 39.082124][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 39.082658][ T293] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 39.082989][ T293] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 39.083280][ T293] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 39.083611][ T293] ? __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) 
[ 39.084146][ T293] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 39.084450][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   39.084867][  T293] RIP: 0033:0x7fbb61ffc7b7
[ 39.085190][ T293] 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)
[   39.086429][  T293] RSP: 002b:00007ffc6a938258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.086887][  T293] RAX: ffffffffffffffda RBX: 00007ffc6a938980 RCX: 00007fbb61ffc7b7
[   39.087358][  T293] RDX: 0000000000000000 RSI: 00007ffc6a9382c0 RDI: 0000000000000005
[   39.087808][  T293] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   39.088432][  T293] R10: 0000000008012910 R11: 0000000000000246 R12: 0000000000000004


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