======================================
| [   35.170620][  T299] 1 lock held by ip/299:
| [ 35.170756][ T299] #0: ffffffff977bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   35.171189][  T299]
| [   35.171189][  T299] stack backtrace:
[   35.171919][  T299] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   35.172432][  T299] Call Trace:
[   35.172596][  T299]  <TASK>
[ 35.172689][ T299] dump_stack_lvl (lib/dump_stack.c:122) 
[ 35.172942][ T299] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 35.173182][ T299] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 35.173626][ T299] 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
[ 35.173883][ T299] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 35.174103][ T299] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.174324][ T299] br_add_if (net/bridge/br_if.c:692) bridge
[ 35.174610][ T299] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 35.174879][ T299] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 35.175214][ T299] do_setlink (net/core/rtnetlink.c:2907) 
[ 35.175416][ T299] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 35.175632][ T299] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 35.175902][ T299] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 35.176163][ T299] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.176444][ T299] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.176712][ T299] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 35.176907][ T299] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 35.177194][ T299] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 35.177485][ T299] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 35.177753][ T299] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 35.178017][ T299] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 35.178283][ T299] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 35.178519][ T299] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 35.178804][ T299] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 35.179006][ T299] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 35.179190][ T299] ? 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) 
[ 35.179369][ T299] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 35.179567][ T299] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.179801][ T299] ? __create_object (mm/kmemleak.c:751) 
[ 35.179977][ T299] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 35.180170][ T299] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 35.180305][ T299] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 35.180503][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 35.180683][ T299] ? 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) 
[ 35.180860][ T299] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 35.181000][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 35.181198][ T299] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 35.181373][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 35.181557][ T299] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 35.181748][ T299] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 35.181923][ T299] ? 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) 
[ 35.182105][ T299] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 35.182282][ T299] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 35.182467][ T299] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 35.182643][ T299] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 35.182821][ T299] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 35.182995][ T299] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 35.183176][ T299] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 35.183357][ T299] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 35.183537][ T299] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 35.183708][ T299] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 35.183936][ T299] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 35.184121][ T299] ___sys_sendmsg (net/socket.c:2653) 
[ 35.184307][ T299] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 35.184483][ T299] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 35.184663][ T299] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 35.184833][ T299] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 35.185050][ T299] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 35.185232][ T299] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 35.185412][ T299] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.185642][ T299] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 35.185829][ T299] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 35.186013][ T299] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 35.186189][ T299] ? __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) 
[ 35.186386][ T299] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 35.186581][ T299] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.186816][  T299] RIP: 0033:0x7ff9bd2927b7
[ 35.187011][ T299] 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)
[   35.187617][  T299] RSP: 002b:00007fff0bb18998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.187877][  T299] RAX: ffffffffffffffda RBX: 00007fff0bb190c0 RCX: 00007ff9bd2927b7
[   35.188140][  T299] RDX: 0000000000000000 RSI: 00007fff0bb18a00 RDI: 0000000000000005
[   35.188398][  T299] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.188658][  T299] R10: 000000003bf5a910 R11: 0000000000000246 R12: 0000000000000004
[   35.188918][  T299] R13: 0000000066be9e19 R14: 0000000000496600 R15: 0000000000000000
| [   35.191083][  T299] 1 lock held by ip/299:
| [ 35.191217][ T299] #0: ffffffff977bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   35.191557][  T299]
| [   35.191557][  T299] stack backtrace:
[   35.192034][  T299] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   35.192420][  T299] Call Trace:
[   35.192553][  T299]  <TASK>
[ 35.192645][ T299] dump_stack_lvl (lib/dump_stack.c:122) 
[ 35.192845][ T299] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 35.193016][ T299] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 35.193274][ T299] 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
[ 35.193557][ T299] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 35.193772][ T299] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.193996][ T299] br_add_if (net/bridge/br_if.c:692) bridge
[ 35.194211][ T299] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 35.194409][ T299] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 35.194631][ T299] do_setlink (net/core/rtnetlink.c:2907) 
[ 35.194806][ T299] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 35.194981][ T299] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 35.195157][ T299] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 35.195346][ T299] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.195532][ T299] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.195706][ T299] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 35.195882][ T299] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 35.196098][ T299] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 35.196308][ T299] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 35.196497][ T299] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 35.196674][ T299] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 35.196953][ T299] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 35.197091][ T299] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 35.197269][ T299] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 35.197477][ T299] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 35.197660][ T299] ? 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) 
[ 35.197844][ T299] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 35.198021][ T299] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.198245][ T299] ? __create_object (mm/kmemleak.c:751) 
[ 35.198447][ T299] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 35.198637][ T299] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 35.198777][ T299] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 35.198967][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 35.199151][ T299] ? 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) 
[ 35.199334][ T299] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 35.199480][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 35.199680][ T299] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 35.199860][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 35.200050][ T299] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 35.200248][ T299] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 35.200439][ T299] ? 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) 
[ 35.200627][ T299] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 35.200818][ T299] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 35.200999][ T299] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 35.201198][ T299] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 35.201376][ T299] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 35.201734][ T299] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 35.201914][ T299] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 35.202098][ T299] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 35.202290][ T299] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 35.202495][ T299] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 35.202815][ T299] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 35.203016][ T299] ___sys_sendmsg (net/socket.c:2653) 
[ 35.203213][ T299] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 35.203396][ T299] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 35.203685][ T299] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 35.203866][ T299] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 35.204096][ T299] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 35.204281][ T299] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 35.204466][ T299] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.204691][ T299] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 35.204883][ T299] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 35.205063][ T299] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 35.205240][ T299] ? __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) 
[ 35.205450][ T299] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 35.205636][ T299] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.205859][  T299] RIP: 0033:0x7ff9bd2927b7
[ 35.206149][ T299] 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)
[   35.206988][  T299] RSP: 002b:00007fff0bb18998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.207298][  T299] RAX: ffffffffffffffda RBX: 00007fff0bb190c0 RCX: 00007ff9bd2927b7
[   35.207573][  T299] RDX: 0000000000000000 RSI: 00007fff0bb18a00 RDI: 0000000000000005
[   35.207925][  T299] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.208180][  T299] R10: 000000003bf5a910 R11: 0000000000000246 R12: 0000000000000004
[   35.208440][  T299] R13: 0000000066be9e19 R14: 0000000000496600 R15: 0000000000000000
| [   35.211042][  T299] 1 lock held by ip/299:
| [ 35.211181][ T299] #0: ffffffff977bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   35.211507][  T299]
| [   35.211507][  T299] stack backtrace:
[   35.211973][  T299] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   35.212456][  T299] Call Trace:
[   35.212589][  T299]  <TASK>
[ 35.212679][ T299] dump_stack_lvl (lib/dump_stack.c:122) 
[ 35.212856][ T299] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 35.213124][ T299] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 35.213402][ T299] 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
[ 35.213683][ T299] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 35.213885][ T299] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.214225][ T299] br_add_if (net/bridge/br_if.c:692) bridge
[ 35.214431][ T299] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 35.214612][ T299] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 35.214832][ T299] do_setlink (net/core/rtnetlink.c:2907) 
[ 35.215103][ T299] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 35.215276][ T299] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 35.215456][ T299] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 35.215624][ T299] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 35.215892][ T299] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.216058][ T299] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 35.216227][ T299] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 35.216434][ T299] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 35.216715][ T299] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 35.216895][ T299] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 35.217063][ T299] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 35.217231][ T299] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 35.217367][ T299] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 35.217538][ T299] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 35.217711][ T299] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 35.217886][ T299] ? 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) 
[ 35.218062][ T299] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 35.218329][ T299] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.218542][ T299] ? __create_object (mm/kmemleak.c:751) 
[ 35.218713][ T299] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 35.218896][ T299] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 35.219119][ T299] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 35.219288][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 35.219455][ T299] ? 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) 
[ 35.219621][ T299] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 35.219858][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 35.220045][ T299] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 35.220275][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 35.220522][ T299] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 35.220805][ T299] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 35.221268][ T299] ? 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) 
[ 35.221442][ T299] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 35.221625][ T299] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 35.221797][ T299] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 35.222068][ T299] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 35.222240][ T299] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 35.222406][ T299] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 35.222606][ T299] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 35.222899][ T299] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 35.223081][ T299] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 35.223260][ T299] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 35.223499][ T299] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 35.223774][ T299] ___sys_sendmsg (net/socket.c:2653) 
[ 35.223945][ T299] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 35.224113][ T299] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 35.224285][ T299] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 35.224547][ T299] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 35.224756][ T299] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 35.224925][ T299] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 35.225101][ T299] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 35.225311][ T299] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 35.225489][ T299] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 35.225656][ T299] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 35.225821][ T299] ? __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) 
[ 35.226011][ T299] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 35.226180][ T299] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.226393][  T299] RIP: 0033:0x7ff9bd2927b7
[ 35.226573][ T299] 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)
[   35.227258][  T299] RSP: 002b:00007fff0bb18998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.227511][  T299] RAX: ffffffffffffffda RBX: 00007fff0bb190c0 RCX: 00007ff9bd2927b7
[   35.227864][  T299] RDX: 0000000000000000 RSI: 00007fff0bb18a00 RDI: 0000000000000005
[   35.228113][  T299] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.228462][  T299] R10: 000000003bf5a910 R11: 0000000000000246 R12: 0000000000000004


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