======================================
| [   34.246950][  T322] 1 lock held by ip/322:
| [ 34.247077][ T322] #0: ffffffffa31bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   34.248427][  T322]
| [   34.248427][  T322] stack backtrace:
[   34.248883][  T322] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   34.249253][  T322] Call Trace:
[   34.249383][  T322]  <TASK>
[ 34.249471][ T322] dump_stack_lvl (lib/dump_stack.c:122) 
[ 34.249649][ T322] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 34.249819][ T322] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 34.250074][ T322] 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
[ 34.250317][ T322] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 34.250518][ T322] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 34.250726][ T322] br_add_if (net/bridge/br_if.c:692) bridge
[ 34.250924][ T322] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 34.251094][ T322] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 34.251309][ T322] do_setlink (net/core/rtnetlink.c:2907) 
[ 34.251477][ T322] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 34.251648][ T322] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 34.251818][ T322] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 34.252073][ T322] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 34.252249][ T322] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.252415][ T322] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 34.252584][ T322] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 34.252792][ T322] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 34.252977][ T322] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 34.253143][ T322] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 34.253311][ T322] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 34.253482][ T322] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 34.253613][ T322] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 34.253783][ T322] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 34.253956][ T322] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 34.254128][ T322] ? 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) 
[ 34.254295][ T322] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 34.254469][ T322] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 34.254682][ T322] ? __create_object (mm/kmemleak.c:751) 
[ 34.254863][ T322] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 34.255036][ T322] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 34.255166][ T322] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 34.255333][ T322] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 34.255498][ T322] ? 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) 
[ 34.255662][ T322] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 34.255795][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 34.255963][ T322] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 34.256129][ T322] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 34.256301][ T322] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 34.256482][ T322] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 34.256656][ T322] ? 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) 
[ 34.256826][ T322] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 34.257018][ T322] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 34.257185][ T322] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 34.257356][ T322] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 34.257546][ T322] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 34.257719][ T322] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 34.257897][ T322] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 34.258081][ T322] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 34.258252][ T322] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 34.258417][ T322] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 34.258622][ T322] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 34.258802][ T322] ___sys_sendmsg (net/socket.c:2653) 
[ 34.258976][ T322] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 34.259149][ T322] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 34.259318][ T322] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 34.259485][ T322] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 34.259700][ T322] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 34.259867][ T322] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 34.260042][ T322] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 34.260250][ T322] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 34.260432][ T322] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 34.260602][ T322] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 34.260769][ T322] ? __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) 
[ 34.260962][ T322] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 34.261132][ T322] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.261469][  T322] RIP: 0033:0x7fd6c22cd7b7
[ 34.261647][ T322] 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)
[   34.262229][  T322] RSP: 002b:00007ffe901ad1f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.262480][  T322] RAX: ffffffffffffffda RBX: 00007ffe901ad920 RCX: 00007fd6c22cd7b7
[   34.262729][  T322] RDX: 0000000000000000 RSI: 00007ffe901ad260 RDI: 0000000000000005
[   34.262994][  T322] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.263248][  T322] R10: 000000001fa99910 R11: 0000000000000246 R12: 0000000000000004
[   34.263492][  T322] R13: 0000000066bea73a R14: 0000000000496600 R15: 0000000000000000
| [   34.265817][  T322] 1 lock held by ip/322:
| [ 34.265948][ T322] #0: ffffffffa31bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   34.266327][  T322]
| [   34.266327][  T322] stack backtrace:
[   34.266789][  T322] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   34.267159][  T322] Call Trace:
[   34.267286][  T322]  <TASK>
[ 34.267385][ T322] dump_stack_lvl (lib/dump_stack.c:122) 
[ 34.267571][ T322] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 34.267740][ T322] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 34.267982][ T322] 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
[ 34.268222][ T322] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 34.268417][ T322] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 34.268624][ T322] br_add_if (net/bridge/br_if.c:692) bridge
[ 34.268827][ T322] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 34.268994][ T322] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 34.269200][ T322] do_setlink (net/core/rtnetlink.c:2907) 
[ 34.269367][ T322] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 34.269535][ T322] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 34.269705][ T322] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 34.269870][ T322] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 34.270040][ T322] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.270211][ T322] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 34.270381][ T322] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 34.270591][ T322] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 34.270772][ T322] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 34.270938][ T322] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 34.271105][ T322] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 34.271272][ T322] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 34.271402][ T322] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 34.271581][ T322] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 34.271754][ T322] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 34.271945][ T322] ? 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) 
[ 34.272117][ T322] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 34.272314][ T322] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 34.272534][ T322] ? __create_object (mm/kmemleak.c:751) 
[ 34.272705][ T322] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 34.272877][ T322] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 34.273013][ T322] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 34.273194][ T322] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 34.273358][ T322] ? 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) 
[ 34.273525][ T322] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 34.273656][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 34.273832][ T322] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 34.273998][ T322] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 34.274168][ T322] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 34.274353][ T322] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 34.274538][ T322] ? 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) 
[ 34.274706][ T322] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 34.274877][ T322] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 34.275047][ T322] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 34.275225][ T322] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 34.275399][ T322] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 34.275568][ T322] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 34.275735][ T322] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 34.275930][ T322] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 34.276097][ T322] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 34.276260][ T322] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 34.276466][ T322] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 34.276646][ T322] ___sys_sendmsg (net/socket.c:2653) 
[ 34.276812][ T322] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 34.276978][ T322] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 34.277143][ T322] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 34.277309][ T322] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 34.277546][ T322] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 34.277714][ T322] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 34.277883][ T322] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 34.278090][ T322] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 34.278262][ T322] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 34.278425][ T322] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 34.278587][ T322] ? __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) 
[ 34.278780][ T322] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 34.278948][ T322] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.279152][  T322] RIP: 0033:0x7fd6c22cd7b7
[ 34.279324][ T322] 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)
[   34.279901][  T322] RSP: 002b:00007ffe901ad1f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.280152][  T322] RAX: ffffffffffffffda RBX: 00007ffe901ad920 RCX: 00007fd6c22cd7b7
[   34.280414][  T322] RDX: 0000000000000000 RSI: 00007ffe901ad260 RDI: 0000000000000005
[   34.280658][  T322] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.280921][  T322] R10: 000000001fa99910 R11: 0000000000000246 R12: 0000000000000004
[   34.281173][  T322] R13: 0000000066bea73a R14: 0000000000496600 R15: 0000000000000000
| [   34.283166][  T322] 1 lock held by ip/322:
| [ 34.283304][ T322] #0: ffffffffa31bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   34.283608][  T322]
| [   34.283608][  T322] stack backtrace:
[   34.284059][  T322] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   34.284428][  T322] Call Trace:
[   34.284553][  T322]  <TASK>
[ 34.284640][ T322] dump_stack_lvl (lib/dump_stack.c:122) 
[ 34.284812][ T322] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 34.284976][ T322] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 34.285223][ T322] 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
[ 34.285466][ T322] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 34.285661][ T322] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 34.285865][ T322] br_add_if (net/bridge/br_if.c:692) bridge
[ 34.286062][ T322] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 34.286224][ T322] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 34.286602][ T322] do_setlink (net/core/rtnetlink.c:2907) 
[ 34.286776][ T322] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 34.286946][ T322] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 34.287151][ T322] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 34.287419][ T322] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 34.287604][ T322] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.287766][ T322] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 34.287932][ T322] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 34.288154][ T322] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 34.288332][ T322] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 34.288503][ T322] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 34.288667][ T322] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 34.288938][ T322] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 34.289072][ T322] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 34.289240][ T322] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 34.289410][ T322] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 34.289581][ T322] ? 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) 
[ 34.289854][ T322] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 34.290024][ T322] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 34.290233][ T322] ? __create_object (mm/kmemleak.c:751) 
[ 34.290409][ T322] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 34.290674][ T322] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 34.290800][ T322] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 34.290991][ T322] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 34.291155][ T322] ? 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) 
[ 34.291426][ T322] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 34.291557][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 34.291749][ T322] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 34.291915][ T322] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 34.292085][ T322] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 34.292364][ T322] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 34.292529][ T322] ? 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) 
[ 34.292696][ T322] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 34.292875][ T322] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 34.293042][ T322] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 34.293210][ T322] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 34.293382][ T322] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 34.293545][ T322] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 34.293807][ T322] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 34.293991][ T322] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 34.294165][ T322] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 34.294340][ T322] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 34.294662][ T322] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 34.294840][ T322] ___sys_sendmsg (net/socket.c:2653) 
[ 34.295007][ T322] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 34.295174][ T322] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 34.295439][ T322] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 34.295602][ T322] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 34.295805][ T322] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 34.295979][ T322] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 34.296249][ T322] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 34.296453][ T322] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 34.296631][ T322] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 34.296795][ T322] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 34.296960][ T322] ? __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) 
[ 34.297145][ T322] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 34.297311][ T322] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.297538][  T322] RIP: 0033:0x7fd6c22cd7b7
[ 34.297821][ T322] 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)
[   34.298387][  T322] RSP: 002b:00007ffe901ad1f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.298732][  T322] RAX: ffffffffffffffda RBX: 00007ffe901ad920 RCX: 00007fd6c22cd7b7
[   34.298992][  T322] RDX: 0000000000000000 RSI: 00007ffe901ad260 RDI: 0000000000000005
[   34.299238][  T322] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.299606][  T322] R10: 000000001fa99910 R11: 0000000000000246 R12: 0000000000000004


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