======================================
| [   31.744273][  T293] 1 lock held by ip/293:
| [ 31.744438][ T293] #0: ffffffff85fbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.744899][  T293]
| [   31.744899][  T293] stack backtrace:
[   31.745393][  T293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.745795][  T293] Call Trace:
[   31.745937][  T293]  <TASK>
[ 31.746031][ T293] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.746243][ T293] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.746445][ T293] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.746751][ T293] 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
[ 31.747011][ T293] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.747220][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.747446][ T293] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.747656][ T293] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.747837][ T293] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.748068][ T293] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.748254][ T293] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.748435][ T293] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.748615][ T293] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.748794][ T293] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.748980][ T293] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.749162][ T293] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.749350][ T293] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.749578][ T293] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.749772][ T293] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.749950][ T293] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.750135][ T293] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.750316][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.750457][ T293] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.750640][ T293] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.750824][ T293] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.751008][ T293] ? 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) 
[ 31.751195][ T293] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.751385][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.751609][ T293] ? __create_object (mm/kmemleak.c:751) 
[ 31.751792][ T293] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.751978][ T293] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.752119][ T293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.752302][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.752487][ T293] ? 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) 
[ 31.752670][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.752813][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.753002][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.753184][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.753366][ T293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.753560][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.753747][ T293] ? 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) 
[ 31.753927][ T293] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.754120][ T293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.754314][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.754523][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.754721][ T293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.754914][ T293] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.755122][ T293] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.755329][ T293] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.755514][ T293] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.755695][ T293] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.755915][ T293] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.756116][ T293] ___sys_sendmsg (net/socket.c:2653) 
[ 31.756301][ T293] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.756481][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.756667][ T293] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.756847][ T293] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.757077][ T293] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.757264][ T293] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.757457][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.757682][ T293] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.757867][ T293] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.758049][ T293] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.758228][ T293] ? __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) 
[ 31.758432][ T293] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.758624][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.758858][  T293] RIP: 0033:0x7f0999cf87b7
[ 31.759043][ T293] 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)
[   31.759674][  T293] RSP: 002b:00007ffc21137d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.759958][  T293] RAX: ffffffffffffffda RBX: 00007ffc21138450 RCX: 00007f0999cf87b7
[   31.760235][  T293] RDX: 0000000000000000 RSI: 00007ffc21137d90 RDI: 0000000000000005
[   31.760502][  T293] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.760774][  T293] R10: 0000000016185910 R11: 0000000000000246 R12: 0000000000000004
[   31.761056][  T293] R13: 0000000066bea283 R14: 0000000000496600 R15: 0000000000000000
| [   31.763330][  T293] 1 lock held by ip/293:
| [ 31.763506][ T293] #0: ffffffff85fbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.763836][  T293]
| [   31.763836][  T293] stack backtrace:
[   31.764366][  T293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.764767][  T293] Call Trace:
[   31.764904][  T293]  <TASK>
[ 31.764999][ T293] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.765194][ T293] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.765376][ T293] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.765639][ T293] 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
[ 31.765901][ T293] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.766111][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.766336][ T293] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.766551][ T293] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.766729][ T293] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.766956][ T293] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.767144][ T293] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.767327][ T293] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.767512][ T293] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.767689][ T293] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.767877][ T293] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.768058][ T293] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.768236][ T293] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.768461][ T293] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.768657][ T293] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.768841][ T293] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.769024][ T293] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.769211][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.769366][ T293] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.769559][ T293] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.769743][ T293] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.769929][ T293] ? 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) 
[ 31.770119][ T293] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.770319][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.770548][ T293] ? __create_object (mm/kmemleak.c:751) 
[ 31.770730][ T293] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.770915][ T293] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.771058][ T293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.771241][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.771424][ T293] ? 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) 
[ 31.771603][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.771744][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.772076][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.772259][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.772441][ T293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.772648][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.772928][ T293] ? 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) 
[ 31.773114][ T293] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.773296][ T293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.773476][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.773883][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.774067][ T293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.774245][ T293] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.774427][ T293] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.774612][ T293] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.774892][ T293] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.775067][ T293] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.775286][ T293] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.775481][ T293] ___sys_sendmsg (net/socket.c:2653) 
[ 31.775760][ T293] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.775939][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.776118][ T293] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.776294][ T293] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.776617][ T293] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.776797][ T293] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.776983][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.777211][ T293] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.777396][ T293] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.777574][ T293] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.777750][ T293] ? __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) 
[ 31.777950][ T293] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.778227][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.778446][  T293] RIP: 0033:0x7f0999cf87b7
[ 31.778630][ T293] 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)
[   31.779354][  T293] RSP: 002b:00007ffc21137d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.779631][  T293] RAX: ffffffffffffffda RBX: 00007ffc21138450 RCX: 00007f0999cf87b7
[   31.779999][  T293] RDX: 0000000000000000 RSI: 00007ffc21137d90 RDI: 0000000000000005
[   31.780271][  T293] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.780536][  T293] R10: 0000000016185910 R11: 0000000000000246 R12: 0000000000000004
[   31.780904][  T293] R13: 0000000066bea283 R14: 0000000000496600 R15: 0000000000000000
| [   31.783552][  T293] 1 lock held by ip/293:
| [ 31.783691][ T293] #0: ffffffff85fbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.784009][  T293]
| [   31.784009][  T293] stack backtrace:
[   31.784587][  T293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.785072][  T293] Call Trace:
[   31.785209][  T293]  <TASK>
[ 31.785308][ T293] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.785502][ T293] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.785690][ T293] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.786051][ T293] 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
[ 31.786308][ T293] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.786518][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.786743][ T293] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.787055][ T293] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.787234][ T293] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.787467][ T293] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.787648][ T293] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.787923][ T293] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.788102][ T293] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.788283][ T293] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.788462][ T293] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.788739][ T293] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.788921][ T293] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.789143][ T293] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.789334][ T293] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.789624][ T293] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.789804][ T293] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.789983][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.790122][ T293] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.790308][ T293] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.790495][ T293] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.790686][ T293] ? 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) 
[ 31.790865][ T293] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.791050][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.791370][ T293] ? __create_object (mm/kmemleak.c:751) 
[ 31.791551][ T293] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.791735][ T293] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.791871][ T293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.792163][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.792348][ T293] ? 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) 
[ 31.792526][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.792668][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.792879][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.793167][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.793347][ T293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.793544][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.793731][ T293] ? 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) 
[ 31.793917][ T293] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.794102][ T293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.794283][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.794473][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.794847][ T293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.795025][ T293] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.795227][ T293] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.795429][ T293] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.795722][ T293] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.795920][ T293] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.796162][ T293] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.796355][ T293] ___sys_sendmsg (net/socket.c:2653) 
[ 31.796634][ T293] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.796814][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.796995][ T293] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.797183][ T293] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.797506][ T293] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.797695][ T293] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.797878][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.798108][ T293] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.798294][ T293] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.798475][ T293] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.798652][ T293] ? __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) 
[ 31.798851][ T293] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.799037][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.799365][  T293] RIP: 0033:0x7f0999cf87b7
[ 31.799552][ T293] 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)
[   31.800268][  T293] RSP: 002b:00007ffc21137d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.800539][  T293] RAX: ffffffffffffffda RBX: 00007ffc21138450 RCX: 00007f0999cf87b7
[   31.800922][  T293] RDX: 0000000000000000 RSI: 00007ffc21137d90 RDI: 0000000000000005
[   31.801197][  T293] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.801464][  T293] R10: 0000000016185910 R11: 0000000000000246 R12: 0000000000000004


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