======================================
| [   31.980054][  T297] 1 lock held by ip/297:
| [ 31.980190][ T297] #0: ffffffffa59bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.980496][  T297]
| [   31.980496][  T297] stack backtrace:
[   31.980980][  T297] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.981379][  T297] Call Trace:
[   31.981515][  T297]  <TASK>
[ 31.981607][ T297] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.981820][ T297] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.981984][ T297] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.982280][ T297] 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
[ 31.982544][ T297] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.982765][ T297] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.982989][ T297] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.983247][ T297] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.983451][ T297] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.983667][ T297] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.983857][ T297] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.984047][ T297] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.984242][ T297] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.984407][ T297] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.984606][ T297] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.984772][ T297] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.984955][ T297] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.985174][ T297] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.985354][ T297] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.985653][ T297] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.985857][ T297] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.986032][ T297] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.986164][ T297] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.986363][ T297] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.986549][ T297] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.986765][ T297] ? 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) 
[ 31.987000][ T297] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.987238][ T297] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.987526][ T297] ? __create_object (mm/kmemleak.c:751) 
[ 31.987697][ T297] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.987871][ T297] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.988014][ T297] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.988189][ T297] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.988372][ T297] ? 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) 
[ 31.988541][ T297] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.988692][ T297] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.988863][ T297] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.989034][ T297] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.989201][ T297] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.989390][ T297] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.989561][ T297] ? 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) 
[ 31.989736][ T297] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.989909][ T297] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.990076][ T297] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.990250][ T297] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.990420][ T297] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.990624][ T297] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.990795][ T297] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.990976][ T297] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.991144][ T297] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.991325][ T297] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.991548][ T297] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.991739][ T297] ___sys_sendmsg (net/socket.c:2653) 
[ 31.991908][ T297] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.992077][ T297] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.992249][ T297] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.992413][ T297] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.992636][ T297] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.992812][ T297] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.992991][ T297] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.993199][ T297] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.993373][ T297] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.993551][ T297] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.993714][ T297] ? __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) 
[ 31.993905][ T297] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.994076][ T297] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.994297][  T297] RIP: 0033:0x7fb6af1d17b7
[ 31.994473][ T297] 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)
[   31.995077][  T297] RSP: 002b:00007ffe655999f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.995337][  T297] RAX: ffffffffffffffda RBX: 00007ffe6559a120 RCX: 00007fb6af1d17b7
[   31.995585][  T297] RDX: 0000000000000000 RSI: 00007ffe65599a60 RDI: 0000000000000005
[   31.995837][  T297] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.996082][  T297] R10: 0000000023618910 R11: 0000000000000246 R12: 0000000000000004
[   31.996328][  T297] R13: 0000000066bea1ee R14: 0000000000496600 R15: 0000000000000000
| [   31.998697][  T297] 1 lock held by ip/297:
| [ 31.998990][ T297] #0: ffffffffa59bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.999292][  T297]
| [   31.999292][  T297] stack backtrace:
[   31.999759][  T297] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   32.000130][  T297] Call Trace:
[   32.000267][  T297]  <TASK>
[ 32.000360][ T297] dump_stack_lvl (lib/dump_stack.c:122) 
[ 32.000543][ T297] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 32.000711][ T297] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 32.000963][ T297] 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
[ 32.001210][ T297] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 32.001408][ T297] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.001617][ T297] br_add_if (net/bridge/br_if.c:692) bridge
[ 32.001819][ T297] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 32.001991][ T297] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 32.002203][ T297] do_setlink (net/core/rtnetlink.c:2907) 
[ 32.002373][ T297] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 32.002561][ T297] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 32.002755][ T297] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 32.002919][ T297] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 32.003087][ T297] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.003270][ T297] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 32.003440][ T297] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 32.003658][ T297] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 32.003835][ T297] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 32.004012][ T297] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 32.004177][ T297] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 32.004346][ T297] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 32.004474][ T297] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 32.004644][ T297] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 32.004824][ T297] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 32.005001][ T297] ? 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) 
[ 32.005172][ T297] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 32.005343][ T297] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.005550][ T297] ? __create_object (mm/kmemleak.c:751) 
[ 32.005722][ T297] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 32.005900][ T297] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 32.006026][ T297] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 32.006203][ T297] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 32.006375][ T297] ? 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) 
[ 32.006543][ T297] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 32.006697][ T297] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 32.006869][ T297] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 32.007213][ T297] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 32.007393][ T297] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 32.007573][ T297] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 32.007743][ T297] ? 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) 
[ 32.007918][ T297] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 32.008091][ T297] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 32.008255][ T297] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 32.008425][ T297] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 32.008595][ T297] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 32.008862][ T297] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 32.009032][ T297] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 32.009222][ T297] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 32.009390][ T297] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 32.009650][ T297] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 32.009852][ T297] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 32.010028][ T297] ___sys_sendmsg (net/socket.c:2653) 
[ 32.010195][ T297] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 32.010363][ T297] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 32.010539][ T297] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 32.010830][ T297] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 32.011035][ T297] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 32.011312][ T297] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 32.011483][ T297] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.011694][ T297] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 32.011871][ T297] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 32.012133][ T297] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 32.012295][ T297] ? __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) 
[ 32.012484][ T297] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 32.012661][ T297] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.012984][  T297] RIP: 0033:0x7fb6af1d17b7
[ 32.013156][ T297] 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)
[   32.013733][  T297] RSP: 002b:00007ffe655999f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.013997][  T297] RAX: ffffffffffffffda RBX: 00007ffe6559a120 RCX: 00007fb6af1d17b7
[   32.014242][  T297] RDX: 0000000000000000 RSI: 00007ffe65599a60 RDI: 0000000000000005
[   32.014488][  T297] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.014760][  T297] R10: 0000000023618910 R11: 0000000000000246 R12: 0000000000000004
[   32.015014][  T297] R13: 0000000066bea1ee R14: 0000000000496600 R15: 0000000000000000
| [   32.017647][  T297] 1 lock held by ip/297:
| [ 32.017769][ T297] #0: ffffffffa59bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   32.018191][  T297]
| [   32.018191][  T297] stack backtrace:
[   32.018673][  T297] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   32.019049][  T297] Call Trace:
[   32.019178][  T297]  <TASK>
[ 32.019266][ T297] dump_stack_lvl (lib/dump_stack.c:122) 
[ 32.019441][ T297] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 32.019616][ T297] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 32.019877][ T297] 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
[ 32.020231][ T297] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 32.020432][ T297] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.020666][ T297] br_add_if (net/bridge/br_if.c:692) bridge
[ 32.020868][ T297] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 32.021043][ T297] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 32.021260][ T297] do_setlink (net/core/rtnetlink.c:2907) 
[ 32.021625][ T297] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 32.021814][ T297] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 32.021980][ T297] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 32.022150][ T297] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 32.022321][ T297] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.022603][ T297] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 32.022777][ T297] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 32.022987][ T297] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 32.023169][ T297] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 32.023335][ T297] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 32.023602][ T297] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 32.023767][ T297] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 32.024015][ T297] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 32.024186][ T297] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 32.024360][ T297] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 32.024536][ T297] ? 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) 
[ 32.024706][ T297] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 32.024876][ T297] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.025098][ T297] ? __create_object (mm/kmemleak.c:751) 
[ 32.025281][ T297] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 32.025467][ T297] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 32.025604][ T297] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 32.025802][ T297] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 32.025972][ T297] ? 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) 
[ 32.026142][ T297] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 32.026272][ T297] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 32.026450][ T297] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 32.026760][ T297] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 32.026938][ T297] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 32.027123][ T297] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 32.027290][ T297] ? 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) 
[ 32.027594][ T297] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 32.027767][ T297] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 32.027943][ T297] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 32.028119][ T297] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 32.028289][ T297] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 32.028454][ T297] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 32.028729][ T297] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 32.028901][ T297] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 32.029074][ T297] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 32.029239][ T297] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 32.029446][ T297] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 32.029626][ T297] ___sys_sendmsg (net/socket.c:2653) 
[ 32.029814][ T297] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 32.030177][ T297] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 32.030345][ T297] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 32.030515][ T297] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 32.030740][ T297] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 32.031028][ T297] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 32.031201][ T297] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.031408][ T297] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 32.031581][ T297] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 32.031746][ T297] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 32.031906][ T297] ? __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) 
[ 32.032096][ T297] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 32.032270][ T297] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.032580][  T297] RIP: 0033:0x7fb6af1d17b7
[ 32.032751][ T297] 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)
[   32.033338][  T297] RSP: 002b:00007ffe655999f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.033703][  T297] RAX: ffffffffffffffda RBX: 00007ffe6559a120 RCX: 00007fb6af1d17b7
[   32.033961][  T297] RDX: 0000000000000000 RSI: 00007ffe65599a60 RDI: 0000000000000005
[   32.034216][  T297] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.034463][  T297] R10: 0000000023618910 R11: 0000000000000246 R12: 0000000000000004


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