======================================
| [   32.968516][  T293] 1 lock held by ip/293:
| [ 32.968665][ T293] #0: ffffffffa23bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   32.969016][  T293]
| [   32.969016][  T293] stack backtrace:
[   32.969551][  T293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   32.969980][  T293] Call Trace:
[   32.970132][  T293]  <TASK>
[ 32.970229][ T293] dump_stack_lvl (lib/dump_stack.c:122) 
[ 32.970445][ T293] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 32.970635][ T293] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 32.970953][ 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
[ 32.971224][ T293] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 32.971485][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.971732][ T293] br_add_if (net/bridge/br_if.c:692) bridge
[ 32.971958][ T293] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 32.972150][ T293] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 32.972387][ T293] do_setlink (net/core/rtnetlink.c:2907) 
[ 32.972593][ T293] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 32.972780][ T293] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 32.972978][ T293] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 32.973170][ T293] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 32.973564][ T293] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.973757][ T293] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 32.973954][ T293] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 32.974195][ T293] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 32.974416][ T293] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 32.974620][ T293] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 32.974811][ T293] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 32.975005][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 32.975157][ T293] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 32.975352][ T293] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 32.975572][ T293] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 32.975772][ 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) 
[ 32.975972][ T293] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 32.976182][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.976437][ T293] ? __create_object (mm/kmemleak.c:751) 
[ 32.976634][ T293] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 32.976827][ T293] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 32.976975][ T293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 32.977161][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 32.977351][ 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) 
[ 32.977549][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 32.977699][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 32.977901][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 32.978088][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 32.978278][ T293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 32.978489][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 32.978689][ 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) 
[ 32.978884][ T293] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 32.979084][ T293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 32.979275][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 32.979647][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 32.979848][ T293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 32.980036][ T293] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 32.980342][ T293] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 32.980546][ T293] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 32.980743][ T293] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 32.980938][ T293] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 32.981276][ T293] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 32.981480][ T293] ___sys_sendmsg (net/socket.c:2653) 
[ 32.981769][ T293] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 32.981967][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 32.982277][ T293] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 32.982461][ T293] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 32.982835][ T293] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 32.983036][ T293] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 32.983254][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.983507][ T293] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 32.983731][ T293] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 32.984044][ T293] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 32.984249][ 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) 
[ 32.984484][ T293] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 32.984908][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.985165][  T293] RIP: 0033:0x7f1e8923c7b7
[ 32.985366][ 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)
[   32.986186][  T293] RSP: 002b:00007ffd40ea3b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.986521][  T293] RAX: ffffffffffffffda RBX: 00007ffd40ea4250 RCX: 00007f1e8923c7b7
[   32.986818][  T293] RDX: 0000000000000000 RSI: 00007ffd40ea3b90 RDI: 0000000000000005
[   32.987231][  T293] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.987538][  T293] R10: 0000000017b20910 R11: 0000000000000246 R12: 0000000000000004
[   32.987839][  T293] R13: 0000000066be9ff5 R14: 0000000000496600 R15: 0000000000000000
| [   32.990506][  T293] 1 lock held by ip/293:
| [ 32.990656][ T293] #0: ffffffffa23bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   32.990996][  T293]
| [   32.990996][  T293] stack backtrace:
[   32.991615][  T293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   32.992029][  T293] Call Trace:
[   32.992169][  T293]  <TASK>
[ 32.992378][ T293] dump_stack_lvl (lib/dump_stack.c:122) 
[ 32.992592][ T293] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 32.992784][ T293] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 32.993068][ 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
[ 32.993346][ T293] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 32.993590][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.993945][ T293] br_add_if (net/bridge/br_if.c:692) bridge
[ 32.994189][ T293] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 32.994396][ T293] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 32.994778][ T293] do_setlink (net/core/rtnetlink.c:2907) 
[ 32.994974][ T293] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 32.995294][ T293] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 32.995522][ T293] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 32.995727][ T293] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 32.995916][ T293] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.996116][ T293] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 32.996462][ T293] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 32.996722][ T293] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 32.996934][ T293] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 32.997133][ T293] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 32.997489][ T293] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 32.997687][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 32.997832][ T293] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 32.998038][ T293] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 32.998247][ T293] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 32.998599][ 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) 
[ 32.998801][ T293] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 32.999003][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 32.999252][ T293] ? __create_object (mm/kmemleak.c:751) 
[ 32.999569][ T293] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 32.999760][ T293] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 32.999904][ T293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 33.000095][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 33.000291][ 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) 
[ 33.000605][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 33.000759][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 33.000964][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 33.001156][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 33.001344][ T293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 33.001579][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 33.001760][ 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) 
[ 33.001948][ T293] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 33.002136][ T293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 33.002324][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 33.002518][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 33.002724][ T293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 33.003018][ T293] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 33.003211][ T293] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 33.003424][ T293] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 33.003625][ T293] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 33.003818][ T293] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 33.004241][ T293] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 33.004445][ T293] ___sys_sendmsg (net/socket.c:2653) 
[ 33.004629][ T293] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 33.004811][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 33.005096][ T293] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 33.005288][ T293] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 33.005684][ T293] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 33.005874][ T293] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 33.006072][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.006331][ T293] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 33.006551][ T293] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 33.006883][ T293] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 33.007085][ 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) 
[ 33.007293][ T293] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 33.007493][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.007731][  T293] RIP: 0033:0x7f1e8923c7b7
[ 33.008047][ 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)
[   33.008853][  T293] RSP: 002b:00007ffd40ea3b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.009260][  T293] RAX: ffffffffffffffda RBX: 00007ffd40ea4250 RCX: 00007f1e8923c7b7
[   33.009564][  T293] RDX: 0000000000000000 RSI: 00007ffd40ea3b90 RDI: 0000000000000005
[   33.009974][  T293] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.010266][  T293] R10: 0000000017b20910 R11: 0000000000000246 R12: 0000000000000004
[   33.010576][  T293] R13: 0000000066be9ff5 R14: 0000000000496600 R15: 0000000000000000
| [   33.013718][  T293] 1 lock held by ip/293:
| [ 33.013873][ T293] #0: ffffffffa23bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   33.014235][  T293]
| [   33.014235][  T293] stack backtrace:
[   33.014902][  T293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   33.015485][  T293] Call Trace:
[   33.015639][  T293]  <TASK>
[ 33.015740][ T293] dump_stack_lvl (lib/dump_stack.c:122) 
[ 33.015949][ T293] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 33.016159][ T293] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 33.016478][ 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
[ 33.016757][ T293] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 33.017012][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.017376][ T293] br_add_if (net/bridge/br_if.c:692) bridge
[ 33.017638][ T293] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 33.017835][ T293] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 33.018072][ T293] do_setlink (net/core/rtnetlink.c:2907) 
[ 33.018280][ T293] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 33.018481][ T293] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 33.018834][ T293] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 33.019046][ T293] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 33.019246][ T293] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.019445][ T293] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 33.019650][ T293] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 33.020028][ T293] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 33.020354][ T293] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 33.020567][ T293] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 33.020748][ T293] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 33.020932][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 33.021077][ T293] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 33.021274][ T293] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 33.021483][ T293] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 33.021713][ 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) 
[ 33.021897][ T293] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 33.022183][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.022426][ T293] ? __create_object (mm/kmemleak.c:751) 
[ 33.022621][ T293] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 33.022824][ T293] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 33.023063][ T293] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 33.023247][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 33.023450][ 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) 
[ 33.023631][ T293] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 33.023869][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 33.024055][ T293] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 33.024240][ T293] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 33.024437][ T293] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 33.024637][ T293] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 33.024929][ 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) 
[ 33.025141][ T293] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 33.025336][ T293] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 33.025546][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 33.025853][ T293] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 33.026043][ T293] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 33.026244][ T293] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 33.026471][ T293] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 33.026800][ T293] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 33.027126][ T293] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 33.027318][ T293] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 33.027583][ T293] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 33.027803][ T293] ___sys_sendmsg (net/socket.c:2653) 
[ 33.028126][ T293] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 33.028317][ T293] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 33.028532][ T293] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 33.028720][ T293] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 33.028964][ T293] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 33.029170][ T293] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 33.029542][ T293] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 33.029796][ T293] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 33.029993][ T293] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 33.030289][ T293] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 33.030490][ 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) 
[ 33.030747][ T293] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 33.030947][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.031191][  T293] RIP: 0033:0x7f1e8923c7b7
[ 33.031412][ 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)
[   33.032293][  T293] RSP: 002b:00007ffd40ea3b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.032595][  T293] RAX: ffffffffffffffda RBX: 00007ffd40ea4250 RCX: 00007f1e8923c7b7
[   33.033007][  T293] RDX: 0000000000000000 RSI: 00007ffd40ea3b90 RDI: 0000000000000005
[   33.033288][  T293] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.033689][  T293] R10: 0000000017b20910 R11: 0000000000000246 R12: 0000000000000004


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