======================================
| [   33.306835][  T309] 1 lock held by ip/309:
| [ 33.307032][ T309] #0: ffffffffafbbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   33.307414][  T309]
| [   33.307414][  T309] stack backtrace:
[   33.307918][  T309] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   33.308294][  T309] Call Trace:
[   33.308427][  T309]  <TASK>
[ 33.308517][ T309] dump_stack_lvl (lib/dump_stack.c:122) 
[ 33.308708][ T309] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 33.308879][ T309] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 33.309165][ T309] 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
[ 33.309415][ T309] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 33.309624][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.309839][ T309] br_add_if (net/bridge/br_if.c:692) bridge
[ 33.310049][ T309] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 33.310221][ T309] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 33.310647][ T309] do_setlink (net/core/rtnetlink.c:2907) 
[ 33.310822][ T309] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 33.311003][ T309] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 33.311178][ T309] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 33.311348][ T309] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 33.311528][ T309] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.311704][ T309] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 33.311880][ T309] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 33.312098][ T309] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 33.312281][ T309] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 33.312454][ T309] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 33.312622][ T309] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 33.312798][ T309] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 33.312933][ T309] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 33.313110][ T309] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 33.313286][ T309] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 33.313464][ T309] ? 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) 
[ 33.313638][ T309] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 33.313836][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.314087][ T309] ? __create_object (mm/kmemleak.c:751) 
[ 33.314260][ T309] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 33.314445][ T309] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 33.314579][ T309] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 33.314758][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 33.314928][ T309] ? 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) 
[ 33.315103][ T309] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 33.315249][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 33.315421][ T309] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 33.315606][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 33.315782][ T309] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 33.315976][ T309] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 33.316149][ T309] ? 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) 
[ 33.316327][ T309] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 33.316517][ T309] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 33.316692][ T309] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 33.316873][ T309] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 33.317049][ T309] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 33.317225][ T309] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 33.317404][ T309] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 33.317591][ T309] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 33.317772][ T309] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 33.317947][ T309] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 33.318165][ T309] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 33.318349][ T309] ___sys_sendmsg (net/socket.c:2653) 
[ 33.318526][ T309] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 33.318695][ T309] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 33.318871][ T309] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 33.319041][ T309] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 33.319253][ T309] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 33.319430][ T309] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 33.319604][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.319818][ T309] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 33.319999][ T309] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 33.320177][ T309] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 33.320345][ T309] ? __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) 
[ 33.320543][ T309] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 33.320720][ T309] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.320941][  T309] RIP: 0033:0x7f24431657b7
[ 33.321118][ T309] 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)
[   33.321713][  T309] RSP: 002b:00007ffd255830d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.321982][  T309] RAX: ffffffffffffffda RBX: 00007ffd25583800 RCX: 00007f24431657b7
[   33.322255][  T309] RDX: 0000000000000000 RSI: 00007ffd25583140 RDI: 0000000000000005
[   33.322511][  T309] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.322930][  T309] R10: 0000000013349910 R11: 0000000000000246 R12: 0000000000000004
[   33.323291][  T309] R13: 0000000066bea770 R14: 0000000000496600 R15: 0000000000000000
| [   33.325659][  T309] 1 lock held by ip/309:
| [ 33.325797][ T309] #0: ffffffffafbbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   33.326113][  T309]
| [   33.326113][  T309] stack backtrace:
[   33.326686][  T309] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   33.327063][  T309] Call Trace:
[   33.327293][  T309]  <TASK>
[ 33.327382][ T309] dump_stack_lvl (lib/dump_stack.c:122) 
[ 33.327557][ T309] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 33.327732][ T309] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 33.328085][ T309] 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
[ 33.328352][ T309] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 33.328554][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.328771][ T309] br_add_if (net/bridge/br_if.c:692) bridge
[ 33.329082][ T309] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 33.329258][ T309] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 33.329473][ T309] do_setlink (net/core/rtnetlink.c:2907) 
[ 33.329659][ T309] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 33.329935][ T309] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 33.330108][ T309] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 33.330279][ T309] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 33.330456][ T309] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.330729][ T309] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 33.330898][ T309] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 33.331113][ T309] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 33.331294][ T309] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 33.331568][ T309] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 33.331740][ T309] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 33.331915][ T309] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 33.332048][ T309] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 33.332231][ T309] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 33.332511][ T309] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 33.332701][ T309] ? 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) 
[ 33.332879][ T309] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 33.333162][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.333478][ T309] ? __create_object (mm/kmemleak.c:751) 
[ 33.333656][ T309] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 33.333858][ T309] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 33.334090][ T309] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 33.334275][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 33.334547][ T309] ? 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) 
[ 33.334721][ T309] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 33.334858][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 33.335041][ T309] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 33.335313][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 33.335495][ T309] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 33.335683][ T309] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 33.335862][ T309] ? 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) 
[ 33.336043][ T309] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 33.336321][ T309] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 33.336500][ T309] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 33.336692][ T309] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 33.336975][ T309] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 33.337168][ T309] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 33.337345][ T309] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 33.337528][ T309] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 33.337709][ T309] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 33.337982][ T309] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 33.338195][ T309] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 33.338383][ T309] ___sys_sendmsg (net/socket.c:2653) 
[ 33.338558][ T309] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 33.338841][ T309] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 33.339009][ T309] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 33.339184][ T309] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 33.339398][ T309] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 33.339571][ T309] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 33.339748][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.339962][ T309] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 33.340142][ T309] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 33.340415][ T309] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 33.340588][ T309] ? __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) 
[ 33.340895][ T309] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 33.341069][ T309] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.341282][  T309] RIP: 0033:0x7f24431657b7
[ 33.341465][ T309] 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)
[   33.342167][  T309] RSP: 002b:00007ffd255830d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.342439][  T309] RAX: ffffffffffffffda RBX: 00007ffd25583800 RCX: 00007f24431657b7
[   33.342806][  T309] RDX: 0000000000000000 RSI: 00007ffd25583140 RDI: 0000000000000005
[   33.343061][  T309] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.343315][  T309] R10: 0000000013349910 R11: 0000000000000246 R12: 0000000000000004
[   33.343705][  T309] R13: 0000000066bea770 R14: 0000000000496600 R15: 0000000000000000
| [   33.345865][  T309] 1 lock held by ip/309:
| [ 33.346005][ T309] #0: ffffffffafbbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   33.346421][  T309]
| [   33.346421][  T309] stack backtrace:
[   33.346994][  T309] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   33.347357][  T309] Call Trace:
[   33.347490][  T309]  <TASK>
[ 33.347581][ T309] dump_stack_lvl (lib/dump_stack.c:122) 
[ 33.347859][ T309] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 33.348029][ T309] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 33.348277][ T309] 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
[ 33.348521][ T309] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 33.348840][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.349057][ T309] br_add_if (net/bridge/br_if.c:692) bridge
[ 33.349256][ T309] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 33.349422][ T309] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 33.349638][ T309] do_setlink (net/core/rtnetlink.c:2907) 
[ 33.349805][ T309] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 33.349973][ T309] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 33.350145][ T309] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 33.350315][ T309] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 33.350482][ T309] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.350647][ T309] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 33.350816][ T309] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 33.351121][ T309] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 33.351300][ T309] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 33.351467][ T309] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 33.351638][ T309] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 33.351907][ T309] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 33.352038][ T309] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 33.352212][ T309] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 33.352389][ T309] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 33.352567][ T309] ? 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) 
[ 33.352846][ T309] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 33.353020][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.353230][ T309] ? __create_object (mm/kmemleak.c:751) 
[ 33.353403][ T309] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 33.353578][ T309] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 33.353716][ T309] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 33.353887][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 33.354062][ T309] ? 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) 
[ 33.354232][ T309] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 33.354366][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 33.354539][ T309] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 33.354710][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 33.354883][ T309] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 33.355165][ T309] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 33.355334][ T309] ? 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) 
[ 33.355510][ T309] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 33.355684][ T309] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 33.355952][ T309] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 33.356129][ T309] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 33.356303][ T309] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 33.356471][ T309] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 33.356646][ T309] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 33.356823][ T309] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 33.356994][ T309] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 33.357167][ T309] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 33.357380][ T309] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 33.357559][ T309] ___sys_sendmsg (net/socket.c:2653) 
[ 33.357734][ T309] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 33.357908][ T309] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 33.358081][ T309] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 33.358254][ T309] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 33.358469][ T309] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 33.358640][ T309] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 33.358819][ T309] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.359033][ T309] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 33.359312][ T309] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 33.359484][ T309] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 33.359656][ T309] ? __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) 
[ 33.359846][ T309] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 33.360026][ T309] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.360337][  T309] RIP: 0033:0x7f24431657b7
[ 33.360515][ T309] 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)
[   33.361104][  T309] RSP: 002b:00007ffd255830d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.361581][  T309] RAX: ffffffffffffffda RBX: 00007ffd25583800 RCX: 00007f24431657b7
[   33.361841][  T309] RDX: 0000000000000000 RSI: 00007ffd25583140 RDI: 0000000000000005
[   33.362090][  T309] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.362550][  T309] R10: 0000000013349910 R11: 0000000000000246 R12: 0000000000000004


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