======================================
| [   31.013790][  T292] 1 lock held by ip/292:
| [ 31.013955][ T292] #0: ffffffffbd7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.014299][  T292]
| [   31.014299][  T292] stack backtrace:
[   31.014820][  T292] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.015225][  T292] Call Trace:
[   31.015372][  T292]  <TASK>
[ 31.015473][ T292] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.015668][ T292] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.015852][ T292] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.016156][ T292] 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
[ 31.016421][ T292] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.016634][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.016864][ T292] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.017084][ T292] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.017269][ T292] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.017507][ T292] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.017693][ T292] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.017884][ T292] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.018070][ T292] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.018252][ T292] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.018443][ T292] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.018630][ T292] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.018813][ T292] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.019042][ T292] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.019245][ T292] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.019436][ T292] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.019631][ T292] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.019816][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.019960][ T292] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.020150][ T292] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.020344][ T292] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.020536][ T292] ? 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) 
[ 31.020730][ T292] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.020921][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.021153][ T292] ? __create_object (mm/kmemleak.c:751) 
[ 31.021340][ T292] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.021531][ T292] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.021671][ T292] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.021859][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.022042][ T292] ? 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) 
[ 31.022229][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.022373][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.022559][ T292] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.022743][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.022928][ T292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.023129][ T292] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.023313][ T292] ? 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) 
[ 31.023501][ T292] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.023693][ T292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.023879][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.024069][ T292] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.024261][ T292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.024446][ T292] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.024633][ T292] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.024825][ T292] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.025013][ T292] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.025197][ T292] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.025430][ T292] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.025624][ T292] ___sys_sendmsg (net/socket.c:2653) 
[ 31.025813][ T292] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.026009][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.026208][ T292] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.026390][ T292] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.026621][ T292] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.026811][ T292] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.027002][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.027232][ T292] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.027428][ T292] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.027612][ T292] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.027793][ T292] ? __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) 
[ 31.027997][ T292] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.028184][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.028417][  T292] RIP: 0033:0x7fa1fa1c37b7
[ 31.028609][ T292] 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)
[   31.029244][  T292] RSP: 002b:00007ffdd12a6b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.029524][  T292] RAX: ffffffffffffffda RBX: 00007ffdd12a72c0 RCX: 00007fa1fa1c37b7
[   31.029806][  T292] RDX: 0000000000000000 RSI: 00007ffdd12a6c00 RDI: 0000000000000005
[   31.030077][  T292] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.030349][  T292] R10: 0000000036561910 R11: 0000000000000246 R12: 0000000000000004
[   31.030624][  T292] R13: 0000000066bea697 R14: 0000000000496600 R15: 0000000000000000
| [   31.034065][  T292] 1 lock held by ip/292:
| [ 31.034208][ T292] #0: ffffffffbd7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.034673][  T292]
| [   31.034673][  T292] stack backtrace:
[   31.035175][  T292] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.035579][  T292] Call Trace:
[   31.035718][  T292]  <TASK>
[ 31.035814][ T292] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.036005][ T292] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.036198][ T292] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.036461][ T292] 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
[ 31.036734][ T292] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.036947][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.037175][ T292] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.037391][ T292] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.037574][ T292] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.037808][ T292] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.037993][ T292] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.038182][ T292] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.038369][ T292] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.038551][ T292] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.038735][ T292] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.038916][ T292] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.039103][ T292] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.039480][ T292] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.039675][ T292] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.039864][ T292] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.040046][ T292] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.040323][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.040471][ T292] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.040659][ T292] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.040847][ T292] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.041133][ T292] ? 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) 
[ 31.041317][ T292] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.041510][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.041738][ T292] ? __create_object (mm/kmemleak.c:751) 
[ 31.042027][ T292] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.042215][ T292] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.042354][ T292] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.042539][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.042721][ T292] ? 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) 
[ 31.042996][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.043140][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.043337][ T292] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.043519][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.043799][ T292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.043998][ T292] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.044181][ T292] ? 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) 
[ 31.044367][ T292] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.044654][ T292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.044837][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.045028][ T292] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.045216][ T292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.045399][ T292] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.045687][ T292] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.045878][ T292] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.046081][ T292] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.046262][ T292] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.046487][ T292] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.046685][ T292] ___sys_sendmsg (net/socket.c:2653) 
[ 31.046872][ T292] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.047056][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.047343][ T292] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.047524][ T292] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.047749][ T292] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.047934][ T292] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.048217][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.048450][ T292] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.048646][ T292] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.048828][ T292] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.049103][ T292] ? __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) 
[ 31.049306][ T292] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.049493][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.049719][  T292] RIP: 0033:0x7fa1fa1c37b7
[ 31.050110][ T292] 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)
[   31.050742][  T292] RSP: 002b:00007ffdd12a6b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.051111][  T292] RAX: ffffffffffffffda RBX: 00007ffdd12a72c0 RCX: 00007fa1fa1c37b7
[   31.051386][  T292] RDX: 0000000000000000 RSI: 00007ffdd12a6c00 RDI: 0000000000000005
[   31.051759][  T292] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.052031][  T292] R10: 0000000036561910 R11: 0000000000000246 R12: 0000000000000004
[   31.052302][  T292] R13: 0000000066bea697 R14: 0000000000496600 R15: 0000000000000000
| [   31.055158][  T292] 1 lock held by ip/292:
| [ 31.055299][ T292] #0: ffffffffbd7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   31.055661][  T292]
| [   31.055661][  T292] stack backtrace:
[   31.056194][  T292] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   31.056692][  T292] Call Trace:
[   31.056831][  T292]  <TASK>
[ 31.056930][ T292] dump_stack_lvl (lib/dump_stack.c:122) 
[ 31.057118][ T292] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 31.057396][ T292] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 31.057664][ T292] 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
[ 31.057927][ T292] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 31.058142][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.058467][ T292] br_add_if (net/bridge/br_if.c:692) bridge
[ 31.058682][ T292] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 31.058864][ T292] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 31.059195][ T292] do_setlink (net/core/rtnetlink.c:2907) 
[ 31.059379][ T292] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 31.059562][ T292] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 31.059750][ T292] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 31.059932][ T292] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 31.060210][ T292] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.060393][ T292] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 31.060574][ T292] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 31.060800][ T292] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 31.061088][ T292] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 31.061269][ T292] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 31.061454][ T292] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 31.061642][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.061881][ T292] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 31.062068][ T292] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 31.062256][ T292] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 31.062445][ T292] ? 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) 
[ 31.062723][ T292] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 31.062911][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.063152][ T292] ? __create_object (mm/kmemleak.c:751) 
[ 31.063337][ T292] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 31.063620][ T292] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 31.063761][ T292] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 31.063946][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.064127][ T292] ? 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) 
[ 31.064315][ T292] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 31.064655][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 31.064838][ T292] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 31.065023][ T292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 31.065208][ T292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 31.065407][ T292] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 31.065590][ T292] ? 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) 
[ 31.065975][ T292] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 31.066179][ T292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 31.066363][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.066650][ T292] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 31.066844][ T292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 31.067025][ T292] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 31.067212][ T292] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 31.067406][ T292] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 31.067592][ T292] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 31.067773][ T292] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 31.067998][ T292] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 31.068287][ T292] ___sys_sendmsg (net/socket.c:2653) 
[ 31.068478][ T292] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 31.068664][ T292] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 31.068848][ T292] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 31.069122][ T292] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 31.069348][ T292] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 31.069533][ T292] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 31.069721][ T292] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 31.070056][ T292] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 31.070246][ T292] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 31.070428][ T292] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 31.070610][ T292] ? __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) 
[ 31.070907][ T292] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 31.071092][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.071319][  T292] RIP: 0033:0x7fa1fa1c37b7
[ 31.071509][ T292] 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)
[   31.072246][  T292] RSP: 002b:00007ffdd12a6b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.072619][  T292] RAX: ffffffffffffffda RBX: 00007ffdd12a72c0 RCX: 00007fa1fa1c37b7
[   31.072893][  T292] RDX: 0000000000000000 RSI: 00007ffdd12a6c00 RDI: 0000000000000005
[   31.073173][  T292] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.073545][  T292] R10: 0000000036561910 R11: 0000000000000246 R12: 0000000000000004


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