======================================
| [   36.098416][  T332] 1 lock held by ip/332:
| [ 36.098649][ T332] #0: ffffffff8e9bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   36.099167][  T332]
| [   36.099167][  T332] stack backtrace:
[   36.099944][  T332] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   36.100543][  T332] Call Trace:
[   36.100762][  T332]  <TASK>
[ 36.100911][ T332] dump_stack_lvl (lib/dump_stack.c:122) 
[ 36.101189][ T332] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 36.101460][ T332] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 36.101900][ T332] 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
[ 36.102295][ T332] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 36.102634][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.102984][ T332] br_add_if (net/bridge/br_if.c:692) bridge
[ 36.103320][ T332] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 36.103571][ T332] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 36.103908][ T332] do_setlink (net/core/rtnetlink.c:2907) 
[ 36.104192][ T332] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 36.104477][ T332] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 36.104766][ T332] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 36.105031][ T332] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.105297][ T332] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.105573][ T332] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 36.105829][ T332] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 36.106181][ T332] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 36.106483][ T332] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 36.106747][ T332] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 36.107029][ T332] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 36.107315][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.107678][ T332] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 36.107954][ T332] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 36.108232][ T332] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 36.108525][ T332] ? 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) 
[ 36.108818][ T332] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 36.109102][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.109445][ T332] ? __create_object (mm/kmemleak.c:751) 
[ 36.109708][ T332] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 36.109994][ T332] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 36.110203][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 36.110488][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.110769][ T332] ? 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) 
[ 36.111036][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.111255][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 36.111525][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 36.111792][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.112079][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 36.112391][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 36.112664][ T332] ? 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) 
[ 36.112950][ T332] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 36.113222][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 36.113499][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.113777][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 36.114075][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 36.114353][ T332] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 36.114635][ T332] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 36.114938][ T332] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 36.115210][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 36.115493][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 36.115835][ T332] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 36.116134][ T332] ___sys_sendmsg (net/socket.c:2653) 
[ 36.116423][ T332] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 36.116691][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.116967][ T332] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 36.117230][ T332] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 36.117561][ T332] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 36.117855][ T332] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 36.118157][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.118486][ T332] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 36.118770][ T332] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 36.119049][ T332] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 36.119300][ T332] ? __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) 
[ 36.119582][ T332] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 36.119836][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.120153][  T332] RIP: 0033:0x7f1e1b9477b7
[ 36.120409][ T332] 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)
[   36.121280][  T332] RSP: 002b:00007ffce8fa65b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.121652][  T332] RAX: ffffffffffffffda RBX: 00007ffce8fa6ce0 RCX: 00007f1e1b9477b7
[   36.122059][  T332] RDX: 0000000000000000 RSI: 00007ffce8fa6620 RDI: 0000000000000005
[   36.122486][  T332] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.122907][  T332] R10: 00000000022d4910 R11: 0000000000000246 R12: 0000000000000004
[   36.123341][  T332] R13: 0000000066bea136 R14: 0000000000496600 R15: 0000000000000000
| [   36.126555][  T332] 1 lock held by ip/332:
| [ 36.126774][ T332] #0: ffffffff8e9bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   36.127263][  T332]
| [   36.127263][  T332] stack backtrace:
[   36.128019][  T332] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   36.128625][  T332] Call Trace:
[   36.128816][  T332]  <TASK>
[ 36.128964][ T332] dump_stack_lvl (lib/dump_stack.c:122) 
[ 36.129252][ T332] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 36.129531][ T332] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 36.129946][ T332] 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
[ 36.130349][ T332] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 36.130657][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.130997][ T332] br_add_if (net/bridge/br_if.c:692) bridge
[ 36.131340][ T332] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 36.131623][ T332] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 36.131961][ T332] do_setlink (net/core/rtnetlink.c:2907) 
[ 36.132242][ T332] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 36.132507][ T332] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 36.132783][ T332] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 36.133058][ T332] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.133341][ T332] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.133606][ T332] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 36.133876][ T332] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 36.134234][ T332] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 36.134543][ T332] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 36.134850][ T332] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 36.135114][ T332] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 36.135392][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.135597][ T332] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 36.135879][ T332] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 36.136170][ T332] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 36.136448][ T332] ? 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) 
[ 36.136721][ T332] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 36.136995][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.137339][ T332] ? __create_object (mm/kmemleak.c:751) 
[ 36.137615][ T332] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 36.137888][ T332] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 36.138101][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 36.138379][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.138641][ T332] ? 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) 
[ 36.138908][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.139123][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 36.139409][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 36.139692][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.139955][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 36.140268][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 36.140542][ T332] ? 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) 
[ 36.140831][ T332] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 36.141101][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 36.141381][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.141663][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 36.141943][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 36.142208][ T332] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 36.142483][ T332] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 36.142756][ T332] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 36.143048][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 36.143319][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 36.143655][ T332] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 36.143944][ T332] ___sys_sendmsg (net/socket.c:2653) 
[ 36.144251][ T332] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 36.144526][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.144830][ T332] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 36.145110][ T332] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 36.145449][ T332] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 36.145722][ T332] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 36.146004][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.146357][ T332] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 36.146652][ T332] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 36.146931][ T332] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 36.147214][ T332] ? __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) 
[ 36.147536][ T332] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 36.147814][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.148157][  T332] RIP: 0033:0x7f1e1b9477b7
[ 36.148437][ T332] 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)
[   36.149361][  T332] RSP: 002b:00007ffce8fa65b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.149736][  T332] RAX: ffffffffffffffda RBX: 00007ffce8fa6ce0 RCX: 00007f1e1b9477b7
[   36.150140][  T332] RDX: 0000000000000000 RSI: 00007ffce8fa6620 RDI: 0000000000000005
[   36.150577][  T332] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.150997][  T332] R10: 00000000022d4910 R11: 0000000000000246 R12: 0000000000000004
[   36.151416][  T332] R13: 0000000066bea136 R14: 0000000000496600 R15: 0000000000000000
| [   36.154487][  T332] 1 lock held by ip/332:
| [ 36.154704][ T332] #0: ffffffff8e9bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) 
| [   36.155185][  T332]
| [   36.155185][  T332] stack backtrace:
[   36.155869][  T332] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   36.156429][  T332] Call Trace:
[   36.156634][  T332]  <TASK>
[ 36.156762][ T332] dump_stack_lvl (lib/dump_stack.c:122) 
[ 36.157048][ T332] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) 
[ 36.157331][ T332] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge
[ 36.157704][ T332] 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
[ 36.157963][ T332] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge
[ 36.158170][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.158382][ T332] br_add_if (net/bridge/br_if.c:692) bridge
[ 36.158595][ T332] ? rtnl_is_locked (net/core/rtnetlink.c:164) 
[ 36.158766][ T332] ? netdev_master_upper_dev_get (net/core/dev.c:7102) 
[ 36.159035][ T332] do_setlink (net/core/rtnetlink.c:2907) 
[ 36.159327][ T332] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) 
[ 36.159611][ T332] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) 
[ 36.159880][ T332] ? is_bpf_text_address (./kernel/bpf/core.c:772) 
[ 36.160062][ T332] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.160399][ T332] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.160571][ T332] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 36.160737][ T332] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 36.160958][ T332] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) 
[ 36.161237][ T332] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 36.161404][ T332] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 36.161572][ T332] ? __pfx_validate_nla (lib/nlattr.c:396) 
[ 36.161737][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.161874][ T332] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 36.162159][ T332] ? __nla_validate_parse (lib/nlattr.c:638) 
[ 36.162331][ T332] __rtnl_newlink (net/core/rtnetlink.c:3696) 
[ 36.162505][ T332] ? 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) 
[ 36.162674][ T332] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) 
[ 36.163048][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.163260][ T332] ? __create_object (mm/kmemleak.c:751) 
[ 36.163428][ T332] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) 
[ 36.163605][ T332] rtnl_newlink (net/core/rtnetlink.c:3744) 
[ 36.163832][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) 
[ 36.164013][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.164184][ T332] ? 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) 
[ 36.164350][ T332] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) 
[ 36.164484][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5142) 
[ 36.164764][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2550) 
[ 36.164948][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) 
[ 36.165118][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) 
[ 36.165312][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) 
[ 36.165585][ T332] ? 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) 
[ 36.165754][ T332] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) 
[ 36.165942][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) 
[ 36.166205][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.166481][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1901) 
[ 36.166655][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) 
[ 36.166821][ T332] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) 
[ 36.167023][ T332] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) 
[ 36.167200][ T332] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) 
[ 36.167368][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2543) 
[ 36.167533][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) 
[ 36.167737][ T332] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) 
[ 36.167927][ T332] ___sys_sendmsg (net/socket.c:2653) 
[ 36.168207][ T332] ? __pfx____sys_sendmsg (net/socket.c:2640) 
[ 36.168377][ T332] ? find_held_lock (kernel/locking/lockdep.c:5249) 
[ 36.168549][ T332] ? __lock_release (kernel/locking/lockdep.c:5435) 
[ 36.168715][ T332] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) 
[ 36.169029][ T332] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) 
[ 36.169199][ T332] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 36.169373][ T332] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 36.169591][ T332] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 36.169861][ T332] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) 
[ 36.170035][ T332] ? __pfx___sys_sendmsg (net/socket.c:2668) 
[ 36.170207][ T332] ? __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) 
[ 36.170408][ T332] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 36.170680][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.170885][  T332] RIP: 0033:0x7f1e1b9477b7
[ 36.171071][ T332] 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)
[   36.171663][  T332] RSP: 002b:00007ffce8fa65b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.171922][  T332] RAX: ffffffffffffffda RBX: 00007ffce8fa6ce0 RCX: 00007f1e1b9477b7
[   36.172273][  T332] RDX: 0000000000000000 RSI: 00007ffce8fa6620 RDI: 0000000000000005
[   36.172530][  T332] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.172774][  T332] R10: 00000000022d4910 R11: 0000000000000246 R12: 0000000000000004


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