======================================
| [  342.022216][ T1134] 1 lock held by ip/1134:
| [ 342.022355][ T1134] #0: ffffffffb4bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [  342.022709][ T1134]
| [  342.022709][ T1134] stack backtrace:
[  342.023210][ T1134] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  342.023615][ T1134] Call Trace:
[  342.023757][ T1134]  <TASK>
[ 342.023854][ T1134] dump_stack_lvl (lib/dump_stack.c:122) 
[ 342.024041][ T1134] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 342.024227][ T1134] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 342.024486][ T1134] 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
[ 342.024730][ T1134] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 342.024934][ T1134] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 342.025147][ T1134] br_add_if (net/bridge/br_if.c:692) bridge
[ 342.025349][ T1134] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 342.025521][ T1134] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 342.025736][ T1134] do_setlink (net/core/rtnetlink.c:2907) 
[ 342.025917][ T1134] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 342.026090][ T1134] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 342.026263][ T1134] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 342.026430][ T1134] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 342.026609][ T1134] ? __kernel_text_address (kernel/extable.c:79) 
[ 342.026789][ T1134] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 342.026970][ T1134] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 342.027197][ T1134] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 342.027391][ T1134] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 342.027579][ T1134] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 342.027764][ T1134] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 342.027948][ T1134] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 342.028089][ T1134] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 342.028277][ T1134] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 342.028466][ T1134] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 342.028656][ T1134] ? 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) 
[ 342.028838][ T1134] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 342.029029][ T1134] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 342.029283][ T1134] ? __create_object (mm/kmemleak.c:751) 
[ 342.029454][ T1134] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 342.029629][ T1134] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 342.029760][ T1134] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 342.029937][ T1134] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 342.030116][ T1134] ? 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) 
[ 342.030296][ T1134] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 342.030439][ T1134] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 342.030625][ T1134] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 342.030806][ T1134] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 342.030979][ T1134] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 342.031165][ T1134] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 342.031347][ T1134] ? 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) 
[ 342.031518][ T1134] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 342.031691][ T1134] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 342.031861][ T1134] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 342.032038][ T1134] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 342.032216][ T1134] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 342.032382][ T1134] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 342.032555][ T1134] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 342.032733][ T1134] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 342.032909][ T1134] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 342.033076][ T1134] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 342.033283][ T1134] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 342.033464][ T1134] ___sys_sendmsg (net/socket.c:2653) 
[ 342.033639][ T1134] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 342.033809][ T1134] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 342.033980][ T1134] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 342.034146][ T1134] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 342.034356][ T1134] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 342.034527][ T1134] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 342.034702][ T1134] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 342.034939][ T1134] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 342.035117][ T1134] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 342.035286][ T1134] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 342.035454][ T1134] ? __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) 
[ 342.035643][ T1134] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 342.035815][ T1134] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  342.036040][ T1134] RIP: 0033:0x7f80f24767b7
[ 342.036231][ T1134] 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)
[  342.036832][ T1134] RSP: 002b:00007ffcbd258758 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  342.037089][ T1134] RAX: ffffffffffffffda RBX: 00007ffcbd258e80 RCX: 00007f80f24767b7
[  342.037342][ T1134] RDX: 0000000000000000 RSI: 00007ffcbd2587c0 RDI: 0000000000000005
[  342.037598][ T1134] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  342.037849][ T1134] R10: 000000000088d910 R11: 0000000000000246 R12: 0000000000000004
[  342.038104][ T1134] R13: 0000000066be9f4c R14: 0000000000496600 R15: 0000000000000000
| [  342.040801][ T1134] 1 lock held by ip/1134:
| [ 342.040939][ T1134] #0: ffffffffb4bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [  342.041249][ T1134]
| [  342.041249][ T1134] stack backtrace:
[  342.041725][ T1134] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  342.042099][ T1134] Call Trace:
[  342.042235][ T1134]  <TASK>
[ 342.042324][ T1134] dump_stack_lvl (lib/dump_stack.c:122) 
[ 342.042501][ T1134] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 342.042671][ T1134] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 342.042924][ T1134] 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
[ 342.043168][ T1134] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 342.043369][ T1134] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 342.043579][ T1134] br_add_if (net/bridge/br_if.c:692) bridge
[ 342.043784][ T1134] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 342.043955][ T1134] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 342.044170][ T1134] do_setlink (net/core/rtnetlink.c:2907) 
[ 342.044338][ T1134] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 342.044507][ T1134] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 342.044675][ T1134] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 342.044845][ T1134] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 342.045020][ T1134] ? __kernel_text_address (kernel/extable.c:79) 
[ 342.045188][ T1134] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 342.045355][ T1134] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 342.045564][ T1134] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 342.045745][ T1134] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 342.045917][ T1134] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 342.046087][ T1134] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 342.046258][ T1134] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 342.046395][ T1134] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 342.046573][ T1134] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 342.046748][ T1134] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 342.046927][ T1134] ? 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) 
[ 342.047099][ T1134] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 342.047272][ T1134] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 342.047483][ T1134] ? __create_object (mm/kmemleak.c:751) 
[ 342.047654][ T1134] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 342.047831][ T1134] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 342.047971][ T1134] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 342.048142][ T1134] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 342.048311][ T1134] ? 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) 
[ 342.048481][ T1134] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 342.048614][ T1134] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 342.048786][ T1134] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 342.048962][ T1134] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 342.049131][ T1134] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 342.049322][ T1134] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 342.049491][ T1134] ? 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) 
[ 342.049662][ T1134] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 342.049832][ T1134] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 342.050006][ T1134] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 342.050180][ T1134] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 342.050353][ T1134] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 342.050519][ T1134] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 342.050697][ T1134] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 342.050877][ T1134] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 342.051048][ T1134] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 342.051214][ T1134] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 342.051430][ T1134] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 342.051611][ T1134] ___sys_sendmsg (net/socket.c:2653) 
[ 342.051781][ T1134] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 342.051956][ T1134] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 342.052134][ T1134] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 342.052301][ T1134] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 342.052509][ T1134] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 342.052681][ T1134] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 342.052866][ T1134] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 342.053078][ T1134] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 342.053252][ T1134] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 342.053420][ T1134] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 342.053595][ T1134] ? __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) 
[ 342.053785][ T1134] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 342.053959][ T1134] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  342.054167][ T1134] RIP: 0033:0x7f80f24767b7
[ 342.054342][ T1134] 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)
[  342.054929][ T1134] RSP: 002b:00007ffcbd258758 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  342.055187][ T1134] RAX: ffffffffffffffda RBX: 00007ffcbd258e80 RCX: 00007f80f24767b7
[  342.055437][ T1134] RDX: 0000000000000000 RSI: 00007ffcbd2587c0 RDI: 0000000000000005
[  342.055690][ T1134] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  342.055949][ T1134] R10: 000000000088d910 R11: 0000000000000246 R12: 0000000000000004
[  342.056204][ T1134] R13: 0000000066be9f4c R14: 0000000000496600 R15: 0000000000000000
| [  342.058369][ T1134] 1 lock held by ip/1134:
| [ 342.058508][ T1134] #0: ffffffffb4bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [  342.058820][ T1134]
| [  342.058820][ T1134] stack backtrace:
[  342.059379][ T1134] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  342.059845][ T1134] Call Trace:
[  342.059974][ T1134]  <TASK>
[ 342.060063][ T1134] dump_stack_lvl (lib/dump_stack.c:122) 
[ 342.060236][ T1134] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 342.060410][ T1134] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 342.060750][ T1134] 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
[ 342.060999][ T1134] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 342.061196][ T1134] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 342.061416][ T1134] br_add_if (net/bridge/br_if.c:692) bridge
[ 342.061714][ T1134] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 342.061885][ T1134] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 342.062104][ T1134] do_setlink (net/core/rtnetlink.c:2907) 
[ 342.062274][ T1134] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 342.062645][ T1134] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 342.062812][ T1134] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 342.062979][ T1134] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 342.063149][ T1134] ? __kernel_text_address (kernel/extable.c:79) 
[ 342.063316][ T1134] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 342.063486][ T1134] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 342.063692][ T1134] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 342.063872][ T1134] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 342.064039][ T1134] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 342.064207][ T1134] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 342.064374][ T1134] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 342.064504][ T1134] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 342.064772][ T1134] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 342.064960][ T1134] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 342.065142][ T1134] ? 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) 
[ 342.065310][ T1134] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 342.065484][ T1134] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 342.065788][ T1134] ? __create_object (mm/kmemleak.c:751) 
[ 342.065958][ T1134] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 342.066131][ T1134] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 342.066259][ T1134] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 342.066533][ T1134] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 342.066704][ T1134] ? 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) 
[ 342.066884][ T1134] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 342.067017][ T1134] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 342.067189][ T1134] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 342.067357][ T1134] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 342.067527][ T1134] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 342.067711][ T1134] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 342.067880][ T1134] ? 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) 
[ 342.068056][ T1134] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 342.068228][ T1134] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 342.068396][ T1134] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 342.068567][ T1134] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 342.068836][ T1134] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 342.069002][ T1134] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 342.069173][ T1134] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 342.069349][ T1134] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 342.069616][ T1134] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 342.069788][ T1134] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 342.069996][ T1134] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 342.070175][ T1134] ___sys_sendmsg (net/socket.c:2653) 
[ 342.070443][ T1134] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 342.070618][ T1134] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 342.070788][ T1134] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 342.070953][ T1134] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 342.071170][ T1134] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 342.071349][ T1134] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 342.071524][ T1134] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 342.071734][ T1134] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 342.071911][ T1134] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 342.072079][ T1134] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 342.072245][ T1134] ? __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) 
[ 342.072434][ T1134] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 342.072703][ T1134] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  342.072911][ T1134] RIP: 0033:0x7f80f24767b7
[ 342.073085][ T1134] 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)
[  342.073767][ T1134] RSP: 002b:00007ffcbd258758 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  342.074023][ T1134] RAX: ffffffffffffffda RBX: 00007ffcbd258e80 RCX: 00007f80f24767b7
[  342.074274][ T1134] RDX: 0000000000000000 RSI: 00007ffcbd2587c0 RDI: 0000000000000005
[  342.074527][ T1134] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  342.074776][ T1134] R10: 000000000088d910 R11: 0000000000000246 R12: 0000000000000004


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