======================================
| [   31.744490][  T295] 1 lock held by ip/295:
| [ 31.744630][ T295] #0: ffffffffaa1bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.744991][  T295]
| [   31.744991][  T295] stack backtrace:
[   31.745489][  T295] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.745904][  T295] Call Trace:
[   31.746052][  T295]  <TASK>
[ 31.746148][ T295] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.746340][ T295] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.746522][ T295] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.746843][ T295] 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
[ 31.747115][ T295] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.747330][ T295] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.747569][ T295] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.747806][ T295] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.748008][ T295] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.748242][ T295] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.748445][ T295] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.748657][ T295] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.748850][ T295] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.749043][ T295] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.749245][ T295] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.749423][ T295] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.749615][ T295] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.749883][ T295] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.750078][ T295] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.750272][ T295] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.750474][ T295] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.750672][ T295] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.750846][ T295] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.751039][ T295] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.751225][ T295] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.751416][ T295] ? 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) 
[ 31.751601][ T295] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.751796][ T295] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.752029][ T295] ? __create_object (mm/kmemleak.c:751) 
[ 31.752217][ T295] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.752405][ T295] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.752545][ T295] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.752741][ T295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.752923][ T295] ? 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) 
[ 31.753105][ T295] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.753247][ T295] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.753432][ T295] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.753632][ T295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.753915][ T295] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.754232][ T295] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.754526][ T295] ? 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) 
[ 31.754804][ T295] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.755087][ T295] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.755341][ T295] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.755656][ T295] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.755947][ T295] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.756233][ T295] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.756533][ T295] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.756841][ T295] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.757142][ T295] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.757431][ T295] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.757794][ T295] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.758107][ T295] ___sys_sendmsg (net/socket.c:2653) 
[ 31.758399][ T295] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.758685][ T295] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.758983][ T295] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.759266][ T295] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.759637][ T295] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.759927][ T295] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.760235][ T295] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.760604][ T295] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.760908][ T295] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.761207][ T295] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.761485][ T295] ? __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) 
[ 31.761819][ T295] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.762120][ T295] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.762482][  T295] RIP: 0033:0x7fccde8057b7
[ 31.762783][ T295] 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)
[   31.763801][  T295] RSP: 002b:00007ffeb01e8b48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.764247][  T295] RAX: ffffffffffffffda RBX: 00007ffeb01e9270 RCX: 00007fccde8057b7
[   31.764673][  T295] RDX: 0000000000000000 RSI: 00007ffeb01e8bb0 RDI: 0000000000000005
[   31.765119][  T295] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.765557][  T295] R10: 0000000027777910 R11: 0000000000000246 R12: 0000000000000004
[   31.765989][  T295] R13: 0000000066bea708 R14: 0000000000496600 R15: 0000000000000000
| [   31.769412][  T295] 1 lock held by ip/295:
| [ 31.769647][ T295] #0: ffffffffaa1bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.770204][  T295]
| [   31.770204][  T295] stack backtrace:
[   31.770981][  T295] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.771614][  T295] Call Trace:
[   31.771836][  T295]  <TASK>
[ 31.771987][ T295] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.772299][ T295] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.772601][ T295] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.773021][ T295] 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
[ 31.773427][ T295] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.773758][ T295] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.774134][ T295] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.774523][ T295] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.774717][ T295] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.774939][ T295] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.775132][ T295] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.775312][ T295] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.775489][ T295] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.775664][ T295] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.775860][ T295] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.776045][ T295] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.776224][ T295] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.776444][ T295] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.776640][ T295] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.776814][ T295] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.776995][ T295] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.777200][ T295] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.777345][ T295] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.777530][ T295] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.777715][ T295] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.777897][ T295] ? 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) 
[ 31.778085][ T295] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.778278][ T295] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.778503][ T295] ? __create_object (mm/kmemleak.c:751) 
[ 31.778686][ T295] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.778878][ T295] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.779029][ T295] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.779212][ T295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.779387][ T295] ? 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) 
[ 31.779571][ T295] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.779712][ T295] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.779896][ T295] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.780084][ T295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.780267][ T295] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.780466][ T295] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.780646][ T295] ? 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) 
[ 31.780831][ T295] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.781022][ T295] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.781210][ T295] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.781394][ T295] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.781578][ T295] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.781755][ T295] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.781951][ T295] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.782223][ T295] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.782516][ T295] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.782804][ T295] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.783157][ T295] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.783466][ T295] ___sys_sendmsg (net/socket.c:2653) 
[ 31.783767][ T295] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.784058][ T295] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.784413][ T295] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.784616][ T295] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.784837][ T295] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.785014][ T295] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.785196][ T295] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.785416][ T295] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.785612][ T295] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.785792][ T295] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.785973][ T295] ? __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) 
[ 31.786171][ T295] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.786353][ T295] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.786587][  T295] RIP: 0033:0x7fccde8057b7
[ 31.786774][ T295] 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)
[   31.787441][  T295] RSP: 002b:00007ffeb01e8b48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.787720][  T295] RAX: ffffffffffffffda RBX: 00007ffeb01e9270 RCX: 00007fccde8057b7
[   31.787987][  T295] RDX: 0000000000000000 RSI: 00007ffeb01e8bb0 RDI: 0000000000000005
[   31.788248][  T295] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.788509][  T295] R10: 0000000027777910 R11: 0000000000000246 R12: 0000000000000004
[   31.788787][  T295] R13: 0000000066bea708 R14: 0000000000496600 R15: 0000000000000000
| [   31.791216][  T295] 1 lock held by ip/295:
| [ 31.791357][ T295] #0: ffffffffaa1bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.791703][  T295]
| [   31.791703][  T295] stack backtrace:
[   31.792301][  T295] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.792699][  T295] Call Trace:
[   31.792845][  T295]  <TASK>
[ 31.793053][ T295] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.793241][ T295] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.793424][ T295] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.793700][ T295] 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
[ 31.793958][ T295] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.794166][ T295] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.794412][ T295] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.794636][ T295] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.794911][ T295] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.795140][ T295] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.795317][ T295] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.795498][ T295] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.795789][ T295] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.795964][ T295] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.796148][ T295] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.796323][ T295] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.796610][ T295] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.796833][ T295] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.797027][ T295] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.797204][ T295] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.797476][ T295] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.797664][ T295] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.797804][ T295] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.797987][ T295] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.798179][ T295] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.798465][ T295] ? 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) 
[ 31.798657][ T295] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.798841][ T295] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.799063][ T295] ? __create_object (mm/kmemleak.c:751) 
[ 31.799340][ T295] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.799521][ T295] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.799678][ T295] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.799854][ T295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.800133][ T295] ? 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) 
[ 31.800313][ T295] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.800452][ T295] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.800637][ T295] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.800816][ T295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.801116][ T295] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.801310][ T295] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.801488][ T295] ? 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) 
[ 31.801679][ T295] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.801862][ T295] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.802039][ T295] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.802224][ T295] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.802406][ T295] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.802589][ T295] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.802773][ T295] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.802960][ T295] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.803144][ T295] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.803322][ T295] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.803665][ T295] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.803851][ T295] ___sys_sendmsg (net/socket.c:2653) 
[ 31.804032][ T295] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.804209][ T295] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.804501][ T295] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.804676][ T295] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.804909][ T295] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.805093][ T295] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.805370][ T295] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.805592][ T295] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.805777][ T295] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.805957][ T295] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.806233][ T295] ? __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) 
[ 31.806430][ T295] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.806617][ T295] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.806836][  T295] RIP: 0033:0x7fccde8057b7
[ 31.807138][ T295] 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)
[   31.807755][  T295] RSP: 002b:00007ffeb01e8b48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.808022][  T295] RAX: ffffffffffffffda RBX: 00007ffeb01e9270 RCX: 00007fccde8057b7
[   31.808283][  T295] RDX: 0000000000000000 RSI: 00007ffeb01e8bb0 RDI: 0000000000000005
[   31.808641][  T295] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.808910][  T295] R10: 0000000027777910 R11: 0000000000000246 R12: 0000000000000004


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