======================================
| [   36.124340][  T332] 1 lock held by ip/332:
| [ 36.124481][ T332] #0: ffffffff9a7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   36.124793][  T332]
| [   36.124793][  T332] stack backtrace:
[   36.125271][  T332] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   36.125653][  T332] Call Trace:
[   36.125793][  T332]  <TASK>
[ 36.125887][ T332] dump_stack_lvl (lib/dump_stack.c:122) 
[ 36.126063][ T332] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 36.126261][ T332] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 36.126548][ T332] 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
[ 36.126798][ T332] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 36.126995][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.127209][ T332] br_add_if (net/bridge/br_if.c:692) bridge
[ 36.127419][ T332] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 36.127593][ T332] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 36.127805][ T332] do_setlink (net/core/rtnetlink.c:2907) 
[ 36.127976][ T332] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 36.128146][ T332] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 36.128325][ T332] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 36.128493][ T332] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.128666][ T332] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.128841][ T332] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 36.129016][ T332] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 36.129293][ T332] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 36.129591][ T332] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 36.129855][ T332] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 36.130097][ T332] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 36.130366][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.130531][ T332] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 36.130809][ T332] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 36.131095][ T332] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 36.131376][ T332] ? 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) 
[ 36.131631][ T332] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 36.131893][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.132214][ T332] ? __create_object (mm/kmemleak.c:751) 
[ 36.132479][ T332] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 36.132746][ T332] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 36.132960][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 36.133224][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.133482][ T332] ? 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) 
[ 36.133743][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.133941][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 36.134208][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 36.134477][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.134737][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 36.135023][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 36.135281][ T332] ? 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) 
[ 36.135536][ T332] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 36.135798][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 36.136055][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.136322][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 36.136582][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 36.136836][ T332] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 36.137101][ T332] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 36.137375][ T332] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 36.137635][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 36.137884][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 36.138194][ T332] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 36.138465][ T332] ___sys_sendmsg (net/socket.c:2653) 
[ 36.138723][ T332] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 36.138985][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.139266][ T332] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 36.139522][ T332] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 36.139853][ T332] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 36.140121][ T332] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 36.140413][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.140753][ T332] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 36.141052][ T332] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 36.141331][ T332] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 36.141600][ T332] ? __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) 
[ 36.141907][ T332] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 36.142184][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.142517][  T332] RIP: 0033:0x7f0bfc9977b7
[ 36.142799][ T332] 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)
[   36.143758][  T332] RSP: 002b:00007fffc1f59508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.144123][  T332] RAX: ffffffffffffffda RBX: 00007fffc1f59c30 RCX: 00007f0bfc9977b7
[   36.144525][  T332] RDX: 0000000000000000 RSI: 00007fffc1f59570 RDI: 0000000000000005
[   36.144937][  T332] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.145335][  T332] R10: 000000000120a910 R11: 0000000000000246 R12: 0000000000000004
[   36.145740][  T332] R13: 0000000066bea5e0 R14: 0000000000496600 R15: 0000000000000000
| [   36.149103][  T332] 1 lock held by ip/332:
| [ 36.149321][ T332] #0: ffffffff9a7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   36.149850][  T332]
| [   36.149850][  T332] stack backtrace:
[   36.150618][  T332] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   36.151220][  T332] Call Trace:
[   36.151428][  T332]  <TASK>
[ 36.151577][ T332] dump_stack_lvl (lib/dump_stack.c:122) 
[ 36.151829][ T332] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 36.152106][ T332] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 36.152490][ T332] 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
[ 36.152899][ T332] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 36.153219][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.153558][ T332] br_add_if (net/bridge/br_if.c:692) bridge
[ 36.153874][ T332] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 36.154148][ T332] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 36.154523][ T332] do_setlink (net/core/rtnetlink.c:2907) 
[ 36.154797][ T332] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 36.155071][ T332] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 36.155343][ T332] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 36.155606][ T332] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.155889][ T332] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.156149][ T332] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 36.156429][ T332] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 36.156784][ T332] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 36.157079][ T332] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 36.157354][ T332] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 36.157630][ T332] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 36.157903][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.158115][ T332] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 36.158390][ T332] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 36.158677][ T332] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 36.158968][ T332] ? 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) 
[ 36.159249][ T332] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 36.159546][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.159884][ T332] ? __create_object (mm/kmemleak.c:751) 
[ 36.160169][ T332] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 36.160452][ T332] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 36.160667][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 36.160948][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.161258][ T332] ? 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) 
[ 36.161537][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.161752][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 36.162034][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 36.162301][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.162581][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 36.162893][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 36.163181][ T332] ? 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) 
[ 36.163471][ T332] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 36.163997][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 36.164271][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.164565][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 36.164853][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 36.165131][ T332] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 36.165411][ T332] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 36.165706][ T332] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 36.165986][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 36.166263][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 36.166596][ T332] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 36.166903][ T332] ___sys_sendmsg (net/socket.c:2653) 
[ 36.167189][ T332] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 36.167461][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.167738][ T332] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 36.168010][ T332] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 36.168342][ T332] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 36.168635][ T332] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 36.168924][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.169257][ T332] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 36.169549][ T332] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 36.169818][ T332] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 36.170091][ T332] ? __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) 
[ 36.170387][ T332] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 36.170662][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.171005][  T332] RIP: 0033:0x7f0bfc9977b7
[ 36.171276][ T332] 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)
[   36.172178][  T332] RSP: 002b:00007fffc1f59508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.172616][  T332] RAX: ffffffffffffffda RBX: 00007fffc1f59c30 RCX: 00007f0bfc9977b7
[   36.173052][  T332] RDX: 0000000000000000 RSI: 00007fffc1f59570 RDI: 0000000000000005
[   36.173444][  T332] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.173828][  T332] R10: 000000000120a910 R11: 0000000000000246 R12: 0000000000000004
[   36.174209][  T332] R13: 0000000066bea5e0 R14: 0000000000496600 R15: 0000000000000000
| [   36.177358][  T332] 1 lock held by ip/332:
| [ 36.177596][ T332] #0: ffffffff9a7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   36.178106][  T332]
| [   36.178106][  T332] stack backtrace:
[   36.178866][  T332] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   36.179479][  T332] Call Trace:
[   36.179693][  T332]  <TASK>
[ 36.179843][ T332] dump_stack_lvl (lib/dump_stack.c:122) 
[ 36.180129][ T332] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 36.180414][ T332] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 36.180840][ T332] 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
[ 36.181283][ T332] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 36.181600][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.181943][ T332] br_add_if (net/bridge/br_if.c:692) bridge
[ 36.182277][ T332] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 36.182558][ T332] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 36.182910][ T332] do_setlink (net/core/rtnetlink.c:2907) 
[ 36.183181][ T332] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 36.183480][ T332] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 36.183750][ T332] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 36.184022][ T332] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.184300][ T332] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.184580][ T332] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 36.184862][ T332] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 36.185196][ T332] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 36.185499][ T332] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 36.185778][ T332] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 36.186054][ T332] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 36.186331][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.186549][ T332] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 36.186843][ T332] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 36.187125][ T332] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 36.187411][ T332] ? 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) 
[ 36.187681][ T332] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 36.187967][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.188313][ T332] ? __create_object (mm/kmemleak.c:751) 
[ 36.188602][ T332] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 36.188885][ T332] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 36.189091][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 36.189369][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.189633][ T332] ? 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) 
[ 36.189903][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.190114][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 36.190411][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 36.190695][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.190974][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 36.191295][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 36.191564][ T332] ? 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) 
[ 36.191845][ T332] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 36.192123][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 36.192392][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.192684][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 36.192978][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 36.193255][ T332] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 36.193531][ T332] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 36.193815][ T332] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 36.194089][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 36.194354][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 36.194695][ T332] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 36.195012][ T332] ___sys_sendmsg (net/socket.c:2653) 
[ 36.195282][ T332] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 36.195567][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.195829][ T332] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 36.196100][ T332] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 36.196435][ T332] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 36.196721][ T332] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 36.197010][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.197369][ T332] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 36.197675][ T332] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 36.197968][ T332] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 36.198239][ T332] ? __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) 
[ 36.198554][ T332] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 36.198829][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.199177][  T332] RIP: 0033:0x7f0bfc9977b7
[ 36.199457][ T332] 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)
[   36.200352][  T332] RSP: 002b:00007fffc1f59508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.200755][  T332] RAX: ffffffffffffffda RBX: 00007fffc1f59c30 RCX: 00007f0bfc9977b7
[   36.201143][  T332] RDX: 0000000000000000 RSI: 00007fffc1f59570 RDI: 0000000000000005
[   36.201541][  T332] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.201915][  T332] R10: 000000000120a910 R11: 0000000000000246 R12: 0000000000000004


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