======================================
| [   62.057476][  T514] 1 lock held by ip/514:
| [ 62.057939][ T514] #0: ffffffffad7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   62.058308][  T514]
| [   62.058308][  T514] stack backtrace:
[   62.058823][  T514] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   62.059232][  T514] Call Trace:
[   62.059380][  T514]  <TASK>
[ 62.059482][ T514] dump_stack_lvl (lib/dump_stack.c:122) 
[ 62.059678][ T514] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 62.059876][ T514] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 62.060176][ T514] 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
[ 62.060467][ T514] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 62.060686][ T514] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 62.060919][ T514] br_add_if (net/bridge/br_if.c:692) bridge
[ 62.061139][ T514] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 62.061326][ T514] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 62.061582][ T514] do_setlink (net/core/rtnetlink.c:2907) 
[ 62.061770][ T514] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 62.061991][ T514] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 62.062198][ T514] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 62.062395][ T514] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 62.062596][ T514] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.062781][ T514] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 62.062988][ T514] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 62.063249][ T514] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 62.063497][ T514] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 62.063685][ T514] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 62.063900][ T514] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 62.064100][ T514] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 62.064262][ T514] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 62.064471][ T514] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 62.064675][ T514] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 62.064875][ T514] ? 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) 
[ 62.065072][ T514] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 62.065282][ T514] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 62.065512][ T514] ? __create_object (mm/kmemleak.c:751) 
[ 62.065741][ T514] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 62.065969][ T514] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 62.066116][ T514] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 62.066304][ T514] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 62.066486][ T514] ? 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) 
[ 62.066672][ T514] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 62.066816][ T514] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 62.067023][ T514] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 62.067208][ T514] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 62.067434][ T514] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 62.067660][ T514] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 62.067861][ T514] ? 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) 
[ 62.068081][ T514] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 62.068294][ T514] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 62.068478][ T514] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 62.068686][ T514] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 62.068896][ T514] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 62.069098][ T514] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 62.069289][ T514] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 62.069485][ T514] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 62.069675][ T514] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 62.069859][ T514] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 62.070096][ T514] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 62.070291][ T514] ___sys_sendmsg (net/socket.c:2653) 
[ 62.070484][ T514] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 62.070669][ T514] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 62.070858][ T514] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 62.071038][ T514] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 62.071267][ T514] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 62.071472][ T514] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 62.071674][ T514] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 62.071905][ T514] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 62.072100][ T514] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 62.072284][ T514] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 62.072469][ T514] ? __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) 
[ 62.072674][ T514] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 62.072860][ T514] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.073087][  T514] RIP: 0033:0x7f09e1d957b7
[ 62.073290][ T514] 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)
[   62.073951][  T514] RSP: 002b:00007fff1eba5d68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.074237][  T514] RAX: ffffffffffffffda RBX: 00007fff1eba6490 RCX: 00007f09e1d957b7
[   62.074521][  T514] RDX: 0000000000000000 RSI: 00007fff1eba5dd0 RDI: 0000000000000005
[   62.074797][  T514] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   62.075073][  T514] R10: 0000000034c8e910 R11: 0000000000000246 R12: 0000000000000004
[   62.075351][  T514] R13: 0000000066bea24a R14: 0000000000496600 R15: 0000000000000000
| [   62.077629][  T514] 1 lock held by ip/514:
| [ 62.077786][ T514] #0: ffffffffad7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   62.078130][  T514]
| [   62.078130][  T514] stack backtrace:
[   62.078628][  T514] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   62.079033][  T514] Call Trace:
[   62.079173][  T514]  <TASK>
[ 62.079287][ T514] dump_stack_lvl (lib/dump_stack.c:122) 
[ 62.079478][ T514] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 62.079666][ T514] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 62.079935][ T514] 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
[ 62.080197][ T514] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 62.080411][ T514] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 62.080649][ T514] br_add_if (net/bridge/br_if.c:692) bridge
[ 62.080870][ T514] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 62.081053][ T514] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 62.081283][ T514] do_setlink (net/core/rtnetlink.c:2907) 
[ 62.081472][ T514] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 62.081660][ T514] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 62.081842][ T514] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 62.082025][ T514] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 62.082215][ T514] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.082407][ T514] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 62.082592][ T514] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 62.082822][ T514] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 62.083024][ T514] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 62.083207][ T514] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 62.083391][ T514] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 62.083577][ T514] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 62.083720][ T514] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 62.083918][ T514] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 62.084109][ T514] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 62.084298][ T514] ? 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) 
[ 62.084483][ T514] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 62.084674][ T514] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 62.084906][ T514] ? __create_object (mm/kmemleak.c:751) 
[ 62.085094][ T514] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 62.085287][ T514] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 62.085446][ T514] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 62.085633][ T514] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 62.085831][ T514] ? 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) 
[ 62.086015][ T514] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 62.086160][ T514] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 62.086351][ T514] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 62.086537][ T514] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 62.086722][ T514] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 62.086919][ T514] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 62.087113][ T514] ? 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) 
[ 62.087298][ T514] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 62.087489][ T514] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 62.087674][ T514] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 62.087866][ T514] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 62.088052][ T514] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 62.088234][ T514] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 62.088420][ T514] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 62.088619][ T514] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 62.088806][ T514] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 62.088988][ T514] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 62.089217][ T514] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 62.089415][ T514] ___sys_sendmsg (net/socket.c:2653) 
[ 62.089599][ T514] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 62.089786][ T514] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 62.089971][ T514] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 62.090160][ T514] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 62.090392][ T514] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 62.090578][ T514] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 62.090766][ T514] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 62.091000][ T514] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 62.091195][ T514] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 62.091377][ T514] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 62.091563][ T514] ? __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) 
[ 62.091769][ T514] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 62.091955][ T514] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.092182][  T514] RIP: 0033:0x7f09e1d957b7
[ 62.092372][ T514] 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)
[   62.093184][  T514] RSP: 002b:00007fff1eba5d68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.093462][  T514] RAX: ffffffffffffffda RBX: 00007fff1eba6490 RCX: 00007f09e1d957b7
[   62.093842][  T514] RDX: 0000000000000000 RSI: 00007fff1eba5dd0 RDI: 0000000000000005
[   62.094118][  T514] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   62.094391][  T514] R10: 0000000034c8e910 R11: 0000000000000246 R12: 0000000000000004
[   62.094769][  T514] R13: 0000000066bea24a R14: 0000000000496600 R15: 0000000000000000
| [   62.097416][  T514] 1 lock held by ip/514:
| [ 62.097558][ T514] #0: ffffffffad7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   62.097901][  T514]
| [   62.097901][  T514] stack backtrace:
[   62.098508][  T514] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   62.098914][  T514] Call Trace:
[   62.099055][  T514]  <TASK>
[ 62.099250][ T514] dump_stack_lvl (lib/dump_stack.c:122) 
[ 62.099438][ T514] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 62.099628][ T514] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 62.099898][ T514] 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
[ 62.100256][ T514] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 62.100470][ T514] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 62.100706][ T514] br_add_if (net/bridge/br_if.c:692) bridge
[ 62.100959][ T514] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 62.101271][ T514] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 62.101516][ T514] do_setlink (net/core/rtnetlink.c:2907) 
[ 62.101762][ T514] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 62.101951][ T514] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 62.102230][ T514] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 62.102414][ T514] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 62.102602][ T514] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.102803][ T514] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 62.103089][ T514] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 62.103345][ T514] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 62.103541][ T514] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 62.103746][ T514] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 62.104027][ T514] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 62.104238][ T514] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 62.104381][ T514] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 62.104570][ T514] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 62.104792][ T514] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 62.105094][ T514] ? 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) 
[ 62.105315][ T514] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 62.105505][ T514] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 62.105744][ T514] ? __create_object (mm/kmemleak.c:751) 
[ 62.106051][ T514] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 62.106257][ T514] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 62.106397][ T514] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 62.106631][ T514] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 62.106912][ T514] ? 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) 
[ 62.107118][ T514] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 62.107262][ T514] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 62.107451][ T514] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 62.107660][ T514] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 62.107940][ T514] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 62.108139][ T514] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 62.108325][ T514] ? 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) 
[ 62.108514][ T514] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 62.108802][ T514] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 62.108986][ T514] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 62.109173][ T514] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 62.109361][ T514] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 62.109642][ T514] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 62.109829][ T514] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 62.110023][ T514] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 62.110211][ T514] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 62.110592][ T514] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 62.110817][ T514] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 62.111011][ T514] ___sys_sendmsg (net/socket.c:2653) 
[ 62.111196][ T514] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 62.111478][ T514] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 62.111666][ T514] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 62.111849][ T514] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 62.112077][ T514] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 62.112364][ T514] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 62.112553][ T514] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 62.112780][ T514] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 62.112971][ T514] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 62.113251][ T514] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 62.113435][ T514] ? __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) 
[ 62.113638][ T514] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 62.113826][ T514] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.114159][  T514] RIP: 0033:0x7f09e1d957b7
[ 62.114351][ T514] 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)
[   62.115131][  T514] RSP: 002b:00007fff1eba5d68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.115405][  T514] RAX: ffffffffffffffda RBX: 00007fff1eba6490 RCX: 00007f09e1d957b7
[   62.115684][  T514] RDX: 0000000000000000 RSI: 00007fff1eba5dd0 RDI: 0000000000000005
[   62.116074][  T514] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   62.116381][  T514] R10: 0000000034c8e910 R11: 0000000000000246 R12: 0000000000000004
[   62.116658][  T514] R13: 0000000066bea24a R14: 0000000000496600 R15: 0000000000000000
| [  157.625058][ T2309] 1 lock held by bridge/2309:
| [ 157.625276][ T2309] #0: ffffffffad7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [  157.625610][ T2309]
| [  157.625610][ T2309] stack backtrace:
[  157.626109][ T2309] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  157.626523][ T2309] Call Trace:
[  157.626648][ T2309]  <TASK>
[ 157.626751][ T2309] dump_stack_lvl (lib/dump_stack.c:122) 
[ 157.626934][ T2309] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 157.627117][ T2309] br_get_link_af_size_filtered (net/bridge/br_private.h:1605 net/bridge/br_private.h:1602 net/bridge/br_netlink.c:110) bridge
[ 157.627395][ T2309] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 157.627599][ T2309] br_setlink (net/bridge/br_netlink.c:669 net/bridge/br_netlink.c:1136) bridge
[ 157.627823][ T2309] ? __pfx_br_setlink (net/bridge/br_netlink.c:1085) bridge
[ 157.628042][ T2309] ? lock_acquire.part.0 (kernel/locking/lockdep.c:466 kernel/locking/lockdep.c:5761) 
[ 157.628217][ T2309] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
[ 157.628390][ T2309] ? 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) 
[ 157.628563][ T2309] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:129) 
[ 157.628738][ T2309] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:104) 
[ 157.628947][ T2309] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
[ 157.629114][ T2309] ? lock_acquire (kernel/locking/lockdep.c:5732) 
[ 157.629303][ T2309] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 52)) 
[ 157.629469][ T2309] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:618 kernel/locking/mutex.c:752) 
[ 157.629644][ T2309] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 157.629807][ T2309] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
[ 157.629989][ T2309] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) 
[ 157.630193][ T2309] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 157.630356][ T2309] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5724) 
[ 157.630542][ T2309] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 157.630728][ T2309] rtnl_bridge_setlink (net/core/rtnetlink.c:5225) 
[ 157.630903][ T2309] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 157.631098][ T2309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 157.631281][ T2309] ? 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) 
[ 157.631467][ T2309] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 157.631601][ T2309] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 157.631785][ T2309] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 157.631963][ T2309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 157.632141][ T2309] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 157.632340][ T2309] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 157.632536][ T2309] ? 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) 
[ 157.632706][ T2309] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 157.632890][ T2309] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 157.633058][ T2309] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 157.633236][ T2309] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 157.633424][ T2309] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 157.633594][ T2309] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 157.633793][ T2309] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 157.633970][ T2309] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 157.634156][ T2309] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 157.634327][ T2309] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 157.634552][ T2309] ? 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) 
[ 157.634722][ T2309] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3758 kernel/locking/lockdep.c:3781 kernel/locking/lockdep.c:3836) 
[ 157.634916][ T2309] ___sys_sendmsg (net/socket.c:2653) 
[ 157.635090][ T2309] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 157.635286][ T2309] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 157.635454][ T2309] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 157.635628][ T2309] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 157.635795][ T2309] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 157.635961][ T2309] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 157.636132][ T2309] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 157.636310][ T2309] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 157.636474][ T2309] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 157.636659][ T2309] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 157.636827][ T2309] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  157.637033][ T2309] RIP: 0033:0x7f019fff97b7
[ 157.637211][ T2309] 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)
[  157.637784][ T2309] RSP: 002b:00007ffd54fbd068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  157.638034][ T2309] RAX: ffffffffffffffda RBX: 000000000000ffff RCX: 00007f019fff97b7
[  157.638282][ T2309] RDX: 0000000000000000 RSI: 00007ffd54fbd0d0 RDI: 0000000000000005
[  157.638531][ T2309] RBP: 00007ffd54fbd1c0 R08: 0000000000000034 R09: 0000000000000000
[  157.638777][ T2309] R10: 00007f019feb2708 R11: 0000000000000246 R12: 000000000000000a


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