======================================
| [   32.104229][  T302] 1 lock held by ip/302:
| [ 32.104563][ T302] #0: ffffffff979bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   32.104899][  T302]
| [   32.104899][  T302] stack backtrace:
[   32.105415][  T302] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   32.105825][  T302] Call Trace:
[   32.106010][  T302]  <TASK>
[ 32.106103][ T302] dump_stack_lvl (lib/dump_stack.c:122) 
[ 32.106304][ T302] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 32.106481][ T302] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 32.106791][ T302] 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
[ 32.107081][ T302] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 32.107286][ T302] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.107518][ T302] br_add_if (net/bridge/br_if.c:692) bridge
[ 32.107731][ T302] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 32.107912][ T302] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 32.108144][ T302] do_setlink (net/core/rtnetlink.c:2907) 
[ 32.108322][ T302] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 32.108498][ T302] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 32.108671][ T302] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 32.108843][ T302] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 32.109028][ T302] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.109206][ T302] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 32.109381][ T302] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 32.109605][ T302] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 32.109791][ T302] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 32.109990][ T302] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 32.110171][ T302] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 32.110347][ T302] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 32.110482][ T302] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 32.110666][ T302] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 32.110847][ T302] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 32.111083][ T302] ? 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) 
[ 32.111265][ T302] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 32.111452][ T302] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.111671][ T302] ? __create_object (mm/kmemleak.c:751) 
[ 32.111869][ T302] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 32.112073][ T302] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 32.112216][ T302] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 32.112389][ T302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 32.112556][ T302] ? 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) 
[ 32.112724][ T302] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 32.112861][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 32.113050][ T302] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 32.113245][ T302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 32.113420][ T302] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 32.113607][ T302] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 32.113780][ T302] ? 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) 
[ 32.113973][ T302] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 32.114161][ T302] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 32.114339][ T302] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 32.114519][ T302] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 32.114716][ T302] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 32.114887][ T302] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 32.115096][ T302] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 32.115288][ T302] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 32.115473][ T302] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 32.115658][ T302] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 32.115869][ T302] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 32.116095][ T302] ___sys_sendmsg (net/socket.c:2653) 
[ 32.116269][ T302] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 32.116459][ T302] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 32.116643][ T302] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 32.116818][ T302] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 32.117051][ T302] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 32.117226][ T302] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 32.117404][ T302] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.117636][ T302] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 32.117831][ T302] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 32.118022][ T302] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 32.118209][ T302] ? __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) 
[ 32.118414][ T302] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 32.118587][ T302] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.118821][  T302] RIP: 0033:0x7f297b6b47b7
[ 32.119028][ T302] 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)
[   32.119658][  T302] RSP: 002b:00007fffb587c818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.119943][  T302] RAX: ffffffffffffffda RBX: 00007fffb587cf40 RCX: 00007f297b6b47b7
[   32.120240][  T302] RDX: 0000000000000000 RSI: 00007fffb587c880 RDI: 0000000000000005
[   32.120525][  T302] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.120787][  T302] R10: 0000000038341910 R11: 0000000000000246 R12: 0000000000000004
[   32.121106][  T302] R13: 0000000066bea5c9 R14: 0000000000496600 R15: 0000000000000000
| [   32.123343][  T302] 1 lock held by ip/302:
| [ 32.123490][ T302] #0: ffffffff979bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   32.123826][  T302]
| [   32.123826][  T302] stack backtrace:
[   32.124401][  T302] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   32.124780][  T302] Call Trace:
[   32.124942][  T302]  <TASK>
[ 32.125041][ T302] dump_stack_lvl (lib/dump_stack.c:122) 
[ 32.125237][ T302] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 32.125404][ T302] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 32.125681][ T302] 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
[ 32.125988][ T302] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 32.126231][ T302] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.126451][ T302] br_add_if (net/bridge/br_if.c:692) bridge
[ 32.126665][ T302] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 32.126856][ T302] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 32.127128][ T302] do_setlink (net/core/rtnetlink.c:2907) 
[ 32.127322][ T302] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 32.127506][ T302] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 32.127695][ T302] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 32.127876][ T302] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 32.128108][ T302] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.128285][ T302] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 32.128458][ T302] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 32.128869][ T302] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 32.129075][ T302] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 32.129263][ T302] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 32.129446][ T302] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 32.129623][ T302] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 32.129854][ T302] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 32.130050][ T302] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 32.130233][ T302] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 32.130420][ T302] ? 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) 
[ 32.130601][ T302] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 32.130783][ T302] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.131148][ T302] ? __create_object (mm/kmemleak.c:751) 
[ 32.131331][ T302] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 32.131513][ T302] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 32.131652][ T302] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 32.131949][ T302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 32.132142][ T302] ? 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) 
[ 32.132320][ T302] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 32.132458][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 32.132634][ T302] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 32.132816][ T302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 32.133203][ T302] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 32.133395][ T302] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 32.133571][ T302] ? 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) 
[ 32.133764][ T302] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 32.134064][ T302] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 32.134247][ T302] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 32.134448][ T302] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 32.134641][ T302] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 32.134817][ T302] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 32.135111][ T302] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 32.135307][ T302] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 32.135484][ T302] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 32.135671][ T302] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 32.136031][ T302] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 32.136224][ T302] ___sys_sendmsg (net/socket.c:2653) 
[ 32.136419][ T302] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 32.136613][ T302] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 32.136789][ T302] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 32.137121][ T302] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 32.137337][ T302] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 32.137512][ T302] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 32.137693][ T302] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.138021][ T302] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 32.138219][ T302] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 32.138416][ T302] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 32.138588][ T302] ? __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) 
[ 32.138895][ T302] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 32.139093][ T302] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.139312][  T302] RIP: 0033:0x7f297b6b47b7
[ 32.139508][ T302] 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)
[   32.140261][  T302] RSP: 002b:00007fffb587c818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.140646][  T302] RAX: ffffffffffffffda RBX: 00007fffb587cf40 RCX: 00007f297b6b47b7
[   32.140930][  T302] RDX: 0000000000000000 RSI: 00007fffb587c880 RDI: 0000000000000005
[   32.141227][  T302] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.141637][  T302] R10: 0000000038341910 R11: 0000000000000246 R12: 0000000000000004
[   32.141926][  T302] R13: 0000000066bea5c9 R14: 0000000000496600 R15: 0000000000000000
| [   32.144505][  T302] 1 lock held by ip/302:
| [ 32.144768][ T302] #0: ffffffff979bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   32.145158][  T302]
| [   32.145158][  T302] stack backtrace:
[   32.145837][  T302] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   32.146433][  T302] Call Trace:
[   32.146594][  T302]  <TASK>
[ 32.146698][ T302] dump_stack_lvl (lib/dump_stack.c:122) 
[ 32.146899][ T302] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 32.147208][ T302] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 32.147480][ T302] 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
[ 32.147759][ T302] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 32.148097][ T302] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.148344][ T302] br_add_if (net/bridge/br_if.c:692) bridge
[ 32.148568][ T302] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 32.148773][ T302] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 32.149126][ T302] do_setlink (net/core/rtnetlink.c:2907) 
[ 32.149326][ T302] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 32.149520][ T302] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 32.149710][ T302] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 32.149900][ T302] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 32.150216][ T302] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.150407][ T302] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 32.150603][ T302] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 32.150858][ T302] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 32.151114][ T302] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 32.151507][ T302] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 32.151708][ T302] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 32.151908][ T302] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 32.152066][ T302] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 32.152282][ T302] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 32.152492][ T302] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 32.152695][ T302] ? 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) 
[ 32.152909][ T302] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 32.153212][ T302] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.153546][ T302] ? __create_object (mm/kmemleak.c:751) 
[ 32.153743][ T302] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 32.153950][ T302] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 32.154199][ T302] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 32.154395][ T302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 32.154580][ T302] ? 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) 
[ 32.154768][ T302] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 32.154920][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 32.155231][ T302] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 32.155422][ T302] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 32.155613][ T302] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 32.155816][ T302] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 32.156032][ T302] ? 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) 
[ 32.156428][ T302] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 32.156624][ T302] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 32.156820][ T302] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 32.157027][ T302] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 32.157329][ T302] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 32.157521][ T302] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 32.157818][ T302] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 32.158036][ T302] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 32.158344][ T302] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 32.158532][ T302] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 32.158866][ T302] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 32.159212][ T302] ___sys_sendmsg (net/socket.c:2653) 
[ 32.159517][ T302] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 32.159824][ T302] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 32.160147][ T302] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 32.160468][ T302] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 32.160720][ T302] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 32.160915][ T302] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 32.161252][ T302] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.161644][ T302] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 32.161867][ T302] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 32.162073][ T302] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 32.162237][ T302] ? __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) 
[ 32.162453][ T302] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 32.162645][ T302] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.162869][  T302] RIP: 0033:0x7f297b6b47b7
[ 32.163088][ T302] 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)
[   32.163805][  T302] RSP: 002b:00007fffb587c818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.164092][  T302] RAX: ffffffffffffffda RBX: 00007fffb587cf40 RCX: 00007f297b6b47b7
[   32.164449][  T302] RDX: 0000000000000000 RSI: 00007fffb587c880 RDI: 0000000000000005
[   32.164697][  T302] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.164980][  T302] R10: 0000000038341910 R11: 0000000000000246 R12: 0000000000000004


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