======================================
| [   21.035562][  T327] br1: port 1(vx10) entered forwarding state
| [   21.036739][  T327] ------------[ cut here ]------------
| [ 21.037090][ T327] WARNING: CPU: 2 PID: 327 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.037775][  T327] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
[   21.039055][  T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.039485][ T327] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.039834][ T327] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.041022][  T327] RSP: 0018:ffffc90000586ef0 EFLAGS: 00010246
[   21.041457][  T327] RAX: 0000000000000000 RBX: ffff88800993a000 RCX: 0000000000000001
[   21.041958][  T327] RDX: 0000000000000000 RSI: ffffffffbbc9b941 RDI: ffffffffbb4555e0
[   21.042457][  T327] RBP: ffffc90000586fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.042963][  T327] R10: ffffc90000587010 R11: ffffffffbcaa8918 R12: 1ffff920000b0de2
[   21.043471][  T327] R13: 00000000000005dc R14: ffffc90000587010 R15: ffff88800993af08
[   21.043969][  T327] FS:  00007f7f2ac25800(0000) GS:ffff8880717b7000(0000) knlGS:0000000000000000
[   21.044557][  T327] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.044986][  T327] CR2: 00000000004e5ce0 CR3: 00000000057b0005 CR4: 0000000000772ef0
[   21.045491][  T327] PKRU: 55555554
[   21.045754][  T327] Call Trace:
[   21.046010][  T327]  <TASK>
[ 21.046201][ T327] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.046539][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.046882][ T327] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.047225][ T327] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.047652][ T327] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.047993][ T327] netif_set_mtu (net/core/dev.c:9652) 
[ 21.048342][ T327] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.048686][ T327] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.049159][ T327] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.049416][ T327] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.049874][ T327] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.050270][ T327] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.050616][ T327] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.050955][ T327] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.051386][ T327] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.051735][ T327] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.052072][ T327] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.052425][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.052764][ T327] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 21.053098][ T327] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.053521][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.053858][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.054204][ T327] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.054539][ T327] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.054875][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.055218][ T327] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.055555][ T327] ? __create_object (mm/kmemleak.c:771) 
[ 21.055898][ T327] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.056247][ T327] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.056594][ T327] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.057009][ T327] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.057361][ T327] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.057703][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.058034][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.058535][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.059132][ T327] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.059692][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.060327][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.060751][ T327] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.061347][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.061949][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.062566][ T327] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.063169][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.063770][ T327] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.064402][ T327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.064994][ T327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.065602][ T327] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.066219][ T327] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.066802][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.067401][ T327] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.071197][ T327] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.071568][ T327] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.072037][ T327] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.072598][ T327] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.073149][ T327] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.073828][ T327] ___sys_sendmsg (net/socket.c:2670) 
[ 21.074314][ T327] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.074655][ T327] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.075072][ T327] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.075579][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.076132][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.076724][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.077295][ T327] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.077871][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.078468][ T327] __sys_sendmsg (net/socket.c:2700) 
[ 21.079057][ T327] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.079804][ T327] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.080458][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.081064][ T327] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.082142][ T327] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.082879][  T327] RIP: 0033:0x7f7f2adf21e7
[ 21.083528][ T327] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   21.085602][  T327] RSP: 002b:00007ffdc91ebcd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.086366][  T327] RAX: ffffffffffffffda RBX: 00007ffdc91ec400 RCX: 00007f7f2adf21e7
[   21.086880][  T327] RDX: 0000000000000000 RSI: 00007ffdc91ebd40 RDI: 0000000000000005
[   21.087636][  T327] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.088191][  T327] R10: 000000000205f910 R11: 0000000000000246 R12: 0000000000000004
[   21.089098][  T327] R13: 00000000686e3d20 R14: 0000000000499600 R15: 0000000000000000
| [   21.597011][  T332] ------------[ cut here ]------------
| [ 21.597656][ T332] WARNING: CPU: 1 PID: 332 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.598436][  T332] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.599818][  T332] Tainted: [W]=WARN
[   21.600075][  T332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.600636][ T332] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.600966][ T332] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.602291][  T332] RSP: 0018:ffffc90000556ef0 EFLAGS: 00010246
[   21.602696][  T332] RAX: 0000000000000000 RBX: ffff88800993a000 RCX: 0000000000000001
[   21.603369][  T332] RDX: 0000000000000000 RSI: ffffffffbbc9b941 RDI: ffffffffbb4555e0
[   21.603857][  T332] RBP: ffffc90000556fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.604478][  T332] R10: ffffc90000557010 R11: ffffffffbcaa8918 R12: 1ffff920000aade2
[   21.604964][  T332] R13: 00000000000005dc R14: ffffc90000557010 R15: ffff88800993af08
[   21.605588][  T332] FS:  00007fc24595e800(0000) GS:ffff888071737000(0000) knlGS:0000000000000000
[   21.606296][  T332] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.606698][  T332] CR2: 00000000004e5de8 CR3: 000000000ed0c006 CR4: 0000000000772ef0
[   21.607321][  T332] PKRU: 55555554
[   21.607561][  T332] Call Trace:
[   21.607800][  T332]  <TASK>
[ 21.607965][ T332] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.608432][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.608764][ T332] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.609099][ T332] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.609650][ T332] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.609984][ T332] netif_set_mtu (net/core/dev.c:9652) 
[ 21.610597][ T332] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.610935][ T332] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.611624][ T332] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.611876][ T332] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.612434][ T332] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.612802][ T332] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.613142][ T332] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.613472][ T332] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.613876][ T332] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.614226][ T332] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.614549][ T332] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.614873][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.615215][ T332] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 21.615537][ T332] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.615936][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.616268][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.616587][ T332] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.616915][ T332] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.617246][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.617566][ T332] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.617886][ T332] ? __create_object (mm/kmemleak.c:771) 
[ 21.618218][ T332] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.618541][ T332] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.618863][ T332] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.619280][ T332] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.619608][ T332] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.619934][ T332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.620277][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.620600][ T332] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.620997][ T332] ? rcu_preempt_deferred_qs_irqrestore (kernel/rcu/tree_plugin.h:569) 
[ 21.621412][ T332] ? rcu_read_unlock_special (kernel/rcu/tree_plugin.h:651 (discriminator 1)) 
[ 21.621741][ T332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.622061][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.622390][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.622711][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.623035][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.623364][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.623685][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.624026][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.624362][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.624685][ T332] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.625006][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.625337][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.625662][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.625982][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.626318][ T332] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.626647][ T332] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.626971][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.627302][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.627713][ T332] ___sys_sendmsg (net/socket.c:2670) 
[ 21.628034][ T332] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.628371][ T332] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.628771][ T332] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.629095][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.629426][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.629749][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.630076][ T332] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.630405][ T332] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.630730][ T332] __sys_sendmsg (net/socket.c:2700) 
[ 21.631047][ T332] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.631451][ T332] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.631782][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.632115][ T332] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.632441][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.632838][  T332] RIP: 0033:0x7fc245b2b1e7
[ 21.633178][ T332] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   21.634333][  T332] RSP: 002b:00007ffee85b7d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.634815][  T332] RAX: ffffffffffffffda RBX: 00007ffee85b8440 RCX: 00007fc245b2b1e7
[   21.635302][  T332] RDX: 0000000000000000 RSI: 00007ffee85b7d80 RDI: 0000000000000005
[   21.635781][  T332] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.636264][  T332] R10: 000000003721e910 R11: 0000000000000246 R12: 0000000000000004
[   21.636745][  T332] R13: 00000000686e3d21 R14: 0000000000499600 R15: 0000000000000000
| [   21.878808][  T334] ------------[ cut here ]------------
| [ 21.879150][ T334] WARNING: CPU: 0 PID: 334 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.879805][  T334] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.881098][  T334] Tainted: [W]=WARN
[   21.881358][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.881759][ T334] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.882090][ T334] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.883903][  T334] RSP: 0018:ffffc90000696ef0 EFLAGS: 00010246
[   21.884326][  T334] RAX: 0000000000000000 RBX: ffff88800993a000 RCX: 0000000000000001
[   21.884805][  T334] RDX: 0000000000000000 RSI: ffffffffbbc9b941 RDI: ffffffffbb4555e0
[   21.885293][  T334] RBP: ffffc90000696fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.885780][  T334] R10: ffffc90000697010 R11: ffffffffbcaa8918 R12: 1ffff920000d2de2
[   21.886273][  T334] R13: 00000000000005dc R14: ffffc90000697010 R15: ffff88800993af08
[   21.886756][  T334] FS:  00007f2794e42800(0000) GS:ffff8880716b7000(0000) knlGS:0000000000000000
[   21.887326][  T334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.887739][  T334] CR2: 00000000004e5aa8 CR3: 000000000ece2006 CR4: 0000000000772ef0
[   21.888229][  T334] PKRU: 55555554
[   21.888472][  T334] Call Trace:
[   21.888712][  T334]  <TASK>
[ 21.888880][ T334] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.889216][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.889547][ T334] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.889871][ T334] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.890319][ T334] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.890644][ T334] netif_set_mtu (net/core/dev.c:9652) 
[ 21.890965][ T334] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.891307][ T334] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.891757][ T334] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.892002][ T334] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.892457][ T334] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.892822][ T334] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.893164][ T334] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.893489][ T334] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.893895][ T334] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.894226][ T334] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.894546][ T334] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.894879][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.895216][ T334] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 21.895541][ T334] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.895942][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.896281][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.896603][ T334] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.896922][ T334] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.897263][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.897585][ T334] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.897900][ T334] ? __create_object (mm/kmemleak.c:771) 
[ 21.898235][ T334] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.898557][ T334] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.898878][ T334] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.899294][ T334] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.899625][ T334] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.899955][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.900299][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.900626][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.900951][ T334] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.901277][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.901604][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.901923][ T334] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.902257][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.902588][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.902912][ T334] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.903245][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.903567][ T334] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.903897][ T334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.904226][ T334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.904550][ T334] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.904880][ T334] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.905210][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.905537][ T334] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.905860][ T334] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.906190][ T334] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.906520][ T334] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.906850][ T334] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.907184][ T334] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.907599][ T334] ___sys_sendmsg (net/socket.c:2670) 
[ 21.907918][ T334] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.908249][ T334] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.908653][ T334] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.908985][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.909318][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.909654][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.909976][ T334] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.910335][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.910666][ T334] __sys_sendmsg (net/socket.c:2700) 
[ 21.911002][ T334] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.911416][ T334] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.911752][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.912084][ T334] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.912418][ T334] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.912815][  T334] RIP: 0033:0x7f279500f1e7
[ 21.913160][ T334] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   21.914301][  T334] RSP: 002b:00007ffe8e4a82f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.914789][  T334] RAX: ffffffffffffffda RBX: 00007ffe8e4a8a20 RCX: 00007f279500f1e7
[   21.915280][  T334] RDX: 0000000000000000 RSI: 00007ffe8e4a8360 RDI: 0000000000000005
[   21.915762][  T334] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.916247][  T334] R10: 000000003fc9c910 R11: 0000000000000246 R12: 0000000000000004
[   21.916728][  T334] R13: 00000000686e3d21 R14: 0000000000499600 R15: 0000000000000000
| [   22.277753][  T337] ------------[ cut here ]------------
| [ 22.278082][ T337] WARNING: CPU: 0 PID: 337 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.278733][  T337] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   22.279973][  T337] Tainted: [W]=WARN
[   22.280327][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.280731][ T337] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.281067][ T337] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.282219][  T337] RSP: 0018:ffffc900007e6ef0 EFLAGS: 00010246
[   22.282628][  T337] RAX: 0000000000000000 RBX: ffff88800993a000 RCX: 0000000000000001
[   22.283126][  T337] RDX: 0000000000000000 RSI: ffffffffbbc9b941 RDI: ffffffffbb4555e0
[   22.283611][  T337] RBP: ffffc900007e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.284093][  T337] R10: ffffc900007e7010 R11: ffffffffbcaa8918 R12: 1ffff920000fcde2
[   22.284582][  T337] R13: 00000000000005dc R14: ffffc900007e7010 R15: ffff88800993af08
[   22.285067][  T337] FS:  00007ff15a4a6800(0000) GS:ffff8880716b7000(0000) knlGS:0000000000000000
[   22.285644][  T337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.286048][  T337] CR2: 00000000004e5ab0 CR3: 000000000c160004 CR4: 0000000000772ef0
[   22.286542][  T337] PKRU: 55555554
[   22.286791][  T337] Call Trace:
[   22.287035][  T337]  <TASK>
[ 22.287212][ T337] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.287537][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.287875][ T337] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.288203][ T337] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.288611][ T337] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.288933][ T337] netif_set_mtu (net/core/dev.c:9652) 
[ 22.289267][ T337] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.289601][ T337] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.290065][ T337] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.290322][ T337] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.290770][ T337] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.291148][ T337] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.291475][ T337] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.291799][ T337] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.292227][ T337] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.292554][ T337] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.292871][ T337] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.293201][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.293525][ T337] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.293850][ T337] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.294258][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.294591][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.294915][ T337] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.295243][ T337] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.295563][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.295881][ T337] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.296207][ T337] ? __create_object (mm/kmemleak.c:771) 
[ 22.296536][ T337] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.296858][ T337] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.297193][ T337] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.297590][ T337] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.297919][ T337] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.298256][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.298577][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.298900][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.299226][ T337] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.299548][ T337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.299885][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.300233][ T337] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.300558][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.300878][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.301228][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.301554][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.301878][ T337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.302228][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.302549][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.302875][ T337] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.303210][ T337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.303536][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.303861][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.304194][ T337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.304517][ T337] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.304843][ T337] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.305192][ T337] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.305512][ T337] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.305918][ T337] ___sys_sendmsg (net/socket.c:2670) 
[ 22.306249][ T337] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.306569][ T337] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.306974][ T337] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.307305][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.307630][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.307958][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.308288][ T337] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.308608][ T337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.308937][ T337] __sys_sendmsg (net/socket.c:2700) 
[ 22.309269][ T337] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.309672][ T337] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.310011][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.310350][ T337] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.310677][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.311077][  T337] RIP: 0033:0x7ff15a6731e7
[ 22.311422][ T337] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   22.312583][  T337] RSP: 002b:00007ffe81dfbbc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.313072][  T337] RAX: ffffffffffffffda RBX: 00007ffe81dfc2f0 RCX: 00007ff15a6731e7
[   22.313566][  T337] RDX: 0000000000000000 RSI: 00007ffe81dfbc30 RDI: 0000000000000005
[   22.314061][  T337] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.314551][  T337] R10: 000000003c0ac910 R11: 0000000000000246 R12: 0000000000000004
[   22.315030][  T337] R13: 00000000686e3d21 R14: 0000000000499600 R15: 0000000000000000
| [   31.353412][  T424] ------------[ cut here ]------------
| [ 31.353725][ T424] WARNING: CPU: 1 PID: 424 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   31.354346][  T424] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   31.355605][  T424] Tainted: [W]=WARN
[   31.355837][  T424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.356240][ T424] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 31.356562][ T424] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   31.357654][  T424] RSP: 0018:ffffc9000095eef0 EFLAGS: 00010246
[   31.358039][  T424] RAX: 0000000000000000 RBX: ffff88800b80a000 RCX: 0000000000000001
[   31.358509][  T424] RDX: 0000000000000000 RSI: ffffffffbbc9b941 RDI: ffffffffbb4555e0
[   31.358965][  T424] RBP: ffffc9000095efe0 R08: 0000000000000000 R09: 0000000000000000
[   31.359427][  T424] R10: ffffc9000095f010 R11: ffffffffbc179160 R12: 1ffff9200012bde2
[   31.359881][  T424] R13: 00000000000005dc R14: ffffc9000095f010 R15: ffff88800b80af08
[   31.360371][  T424] FS:  00007f76e2414800(0000) GS:ffff888071737000(0000) knlGS:0000000000000000
[   31.360906][  T424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.361296][  T424] CR2: 00000000004e5ce0 CR3: 000000000be66001 CR4: 0000000000772ef0
[   31.361753][  T424] PKRU: 55555554
[   31.361982][  T424] Call Trace:
[   31.362217][  T424]  <TASK>
[ 31.362398][ T424] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.362718][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.363036][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.363359][ T424] netif_set_mtu (net/core/dev.c:9652) 
[ 31.363664][ T424] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.363986][ T424] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.364239][ T424] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.364666][ T424] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.365024][ T424] do_set_master (net/core/rtnetlink.c:2948) 
[ 31.365349][ T424] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.365659][ T424] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.366045][ T424] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.366358][ T424] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.366663][ T424] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.366975][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.367297][ T424] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 31.367605][ T424] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.367991][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.368322][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.368629][ T424] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.368933][ T424] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.369266][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.369573][ T424] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.369875][ T424] ? __create_object (mm/kmemleak.c:771) 
[ 31.370204][ T424] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.370509][ T424] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.370813][ T424] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.371202][ T424] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.371513][ T424] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.371823][ T424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.372184][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.372501][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.372812][ T424] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.373129][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.373437][ T424] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.373745][ T424] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.374052][ T424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.374379][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.374694][ T424] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.374999][ T424] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.375316][ T424] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.375633][ T424] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.375936][ T424] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 31.376267][ T424] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.376576][ T424] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.376881][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.377205][ T424] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.377513][ T424] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.377819][ T424] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.378145][ T424] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.378453][ T424] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.378755][ T424] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.379164][ T424] ___sys_sendmsg (net/socket.c:2670) 
[ 31.379473][ T424] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.379777][ T424] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 31.380197][ T424] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.380507][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.380814][ T424] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.381136][ T424] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.381448][ T424] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.381752][ T424] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.382060][ T424] __sys_sendmsg (net/socket.c:2700) 
[ 31.382370][ T424] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.382749][ T424] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.383065][ T424] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.383502][ T424] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.383815][ T424] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.384216][  T424] RIP: 0033:0x7f76e25e11e7
[ 31.384534][ T424] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   31.385623][  T424] RSP: 002b:00007ffca9929bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.386093][  T424] RAX: ffffffffffffffda RBX: 00007ffca992a2e0 RCX: 00007f76e25e11e7
[   31.386559][  T424] RDX: 0000000000000000 RSI: 00007ffca9929c20 RDI: 0000000000000005
[   31.387023][  T424] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.387499][  T424] R10: 0000000012f12910 R11: 0000000000000246 R12: 0000000000000004
[   31.387961][  T424] R13: 00000000686e3d2b R14: 0000000000499600 R15: 0000000000000000
| [   31.867183][  T428] ------------[ cut here ]------------
| [ 31.867519][ T428] WARNING: CPU: 2 PID: 428 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   31.868191][  T428] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   31.869636][  T428] Tainted: [W]=WARN
[   31.869880][  T428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.870296][ T428] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 31.870621][ T428] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   31.871746][  T428] RSP: 0018:ffffc90000566ef0 EFLAGS: 00010246
[   31.872161][  T428] RAX: 0000000000000000 RBX: ffff88800b80a000 RCX: 0000000000000001
[   31.872631][  T428] RDX: 0000000000000000 RSI: ffffffffbbc9b941 RDI: ffffffffbb4555e0
[   31.873099][  T428] RBP: ffffc90000566fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.873586][  T428] R10: ffffc90000567010 R11: ffffffffbc179160 R12: 1ffff920000acde2
[   31.874054][  T428] R13: 00000000000005dc R14: ffffc90000567010 R15: ffff88800b80af08
[   31.874531][  T428] FS:  00007fe199ffd800(0000) GS:ffff8880717b7000(0000) knlGS:0000000000000000
[   31.875142][  T428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.875553][  T428] CR2: 00000000004e5de8 CR3: 000000000f047006 CR4: 0000000000772ef0
[   31.876022][  T428] PKRU: 55555554
[   31.876280][  T428] Call Trace:
[   31.876524][  T428]  <TASK>
[ 31.876695][ T428] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.877018][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.877356][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.877685][ T428] netif_set_mtu (net/core/dev.c:9652) 
[ 31.878001][ T428] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.878351][ T428] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.878596][ T428] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.879039][ T428] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.879433][ T428] do_set_master (net/core/rtnetlink.c:2948) 
[ 31.879763][ T428] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.880129][ T428] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.880533][ T428] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.880853][ T428] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.881185][ T428] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.881508][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.881832][ T428] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 31.882162][ T428] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.882562][ T428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.882881][ T428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.883229][ T428] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.883546][ T428] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.883867][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.884202][ T428] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.884523][ T428] ? __create_object (mm/kmemleak.c:771) 
[ 31.884842][ T428] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.885182][ T428] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.885501][ T428] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.885896][ T428] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.886231][ T428] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.886557][ T428] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.886875][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.887224][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.887544][ T428] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.887866][ T428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.888197][ T428] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.888516][ T428] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.888836][ T428] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.889175][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.889497][ T428] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.889818][ T428] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.890164][ T428] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.890498][ T428] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.890811][ T428] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 31.891158][ T428] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.891480][ T428] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.891796][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.892128][ T428] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.892458][ T428] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.892776][ T428] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.893100][ T428] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.893461][ T428] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.893777][ T428] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.894194][ T428] ___sys_sendmsg (net/socket.c:2670) 
[ 31.894512][ T428] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.894838][ T428] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 31.895256][ T428] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.895580][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.895905][ T428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.896241][ T428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.896562][ T428] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.896877][ T428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.897224][ T428] __sys_sendmsg (net/socket.c:2700) 
[ 31.897542][ T428] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.897932][ T428] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.898279][ T428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.898599][ T428] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.898919][ T428] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.899331][  T428] RIP: 0033:0x7fe19a1ca1e7
[ 31.899658][ T428] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   31.900783][  T428] RSP: 002b:00007ffd1ad048a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.901271][  T428] RAX: ffffffffffffffda RBX: 00007ffd1ad04fd0 RCX: 00007fe19a1ca1e7
[   31.901748][  T428] RDX: 0000000000000000 RSI: 00007ffd1ad04910 RDI: 0000000000000005
[   31.902224][  T428] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.902697][  T428] R10: 00000000098cf910 R11: 0000000000000246 R12: 0000000000000004
[   31.903188][  T428] R13: 00000000686e3d2b R14: 0000000000499600 R15: 0000000000000000
| [   32.168675][  T430] ------------[ cut here ]------------
| [ 32.168980][ T430] WARNING: CPU: 3 PID: 430 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   32.169590][  T430] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.170855][  T430] Tainted: [W]=WARN
[   32.171085][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.171481][ T430] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 32.171799][ T430] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   32.172892][  T430] RSP: 0018:ffffc900009a6ef0 EFLAGS: 00010246
[   32.173290][  T430] RAX: 0000000000000000 RBX: ffff88800b80a000 RCX: 0000000000000001
[   32.173743][  T430] RDX: 0000000000000000 RSI: ffffffffbbc9b941 RDI: ffffffffbb4555e0
[   32.174202][  T430] RBP: ffffc900009a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.174652][  T430] R10: ffffc900009a7010 R11: ffffffffbcaa8918 R12: 1ffff92000134de2
[   32.175120][  T430] R13: 00000000000005dc R14: ffffc900009a7010 R15: ffff88800b80af08
[   32.175572][  T430] FS:  00007ffaa4b73800(0000) GS:ffff888071837000(0000) knlGS:0000000000000000
[   32.176100][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.176536][  T430] CR2: 00000000004e6890 CR3: 000000000cd29001 CR4: 0000000000772ef0
[   32.176999][  T430] PKRU: 55555554
[   32.177416][  T430] Call Trace:
[   32.177649][  T430]  <TASK>
[ 32.177805][ T430] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.178163][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.178473][ T430] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 32.178776][ T430] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 32.179166][ T430] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 32.179482][ T430] netif_set_mtu (net/core/dev.c:9652) 
[ 32.179786][ T430] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.180134][ T430] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 32.180562][ T430] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.180792][ T430] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.181218][ T430] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.181570][ T430] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.181878][ T430] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.182193][ T430] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.182578][ T430] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.182881][ T430] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.183206][ T430] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.183516][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.183824][ T430] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 32.184150][ T430] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.184540][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.184863][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.185180][ T430] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.185485][ T430] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.185787][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.186090][ T430] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.186409][ T430] ? __create_object (mm/kmemleak.c:771) 
[ 32.186719][ T430] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.187023][ T430] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.187333][ T430] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.187709][ T430] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.188018][ T430] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.188348][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.188665][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.188974][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.189288][ T430] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.189590][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.189896][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.190214][ T430] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.190521][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.190829][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.191200][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.191512][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.191815][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.192152][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.192463][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 32.192768][ T430] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.193075][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.193391][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.193699][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.194008][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.194323][ T430] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.194635][ T430] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.194942][ T430] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.195253][ T430] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.195646][ T430] ___sys_sendmsg (net/socket.c:2670) 
[ 32.195948][ T430] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.196271][ T430] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 32.196654][ T430] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.196963][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.197285][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.197594][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.197902][ T430] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.198213][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.198527][ T430] __sys_sendmsg (net/socket.c:2700) 
[ 32.198833][ T430] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.199215][ T430] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.199534][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.199839][ T430] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.200175][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.200561][  T430] RIP: 0033:0x7ffaa4d401e7
[ 32.200876][ T430] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   32.201965][  T430] RSP: 002b:00007ffd7f70fb58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.202439][  T430] RAX: ffffffffffffffda RBX: 00007ffd7f710280 RCX: 00007ffaa4d401e7
[   32.202898][  T430] RDX: 0000000000000000 RSI: 00007ffd7f70fbc0 RDI: 0000000000000005
[   32.203358][  T430] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.203816][  T430] R10: 0000000002631910 R11: 0000000000000246 R12: 0000000000000004
[   32.204297][  T430] R13: 00000000686e3d2b R14: 0000000000499600 R15: 0000000000000000
| [   32.534730][  T433] ------------[ cut here ]------------
| [ 32.535047][ T433] WARNING: CPU: 3 PID: 433 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   32.535662][  T433] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.536925][  T433] Tainted: [W]=WARN
[   32.537163][  T433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.537543][ T433] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 32.537859][ T433] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   32.538956][  T433] RSP: 0018:ffffc90000a06ef0 EFLAGS: 00010246
[   32.539355][  T433] RAX: 0000000000000000 RBX: ffff88800b80a000 RCX: 0000000000000001
[   32.539810][  T433] RDX: 0000000000000000 RSI: ffffffffbbc9b941 RDI: ffffffffbb4555e0
[   32.540304][  T433] RBP: ffffc90000a06fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.540761][  T433] R10: ffffc90000a07010 R11: ffffffffbc179160 R12: 1ffff92000140de2
[   32.541232][  T433] R13: 00000000000005dc R14: ffffc90000a07010 R15: ffff88800b80af08
[   32.541690][  T433] FS:  00007f0eab55b800(0000) GS:ffff888071837000(0000) knlGS:0000000000000000
[   32.542243][  T433] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.542626][  T433] CR2: 00000000004e6890 CR3: 000000000f047004 CR4: 0000000000772ef0
[   32.543084][  T433] PKRU: 55555554
[   32.543323][  T433] Call Trace:
[   32.543552][  T433]  <TASK>
[ 32.543712][ T433] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.544019][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.544365][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.544684][ T433] netif_set_mtu (net/core/dev.c:9652) 
[ 32.545000][ T433] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.545342][ T433] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.545583][ T433] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.546023][ T433] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.546435][ T433] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.546764][ T433] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.547092][ T433] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.547532][ T433] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.547845][ T433] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.548165][ T433] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.548477][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.548789][ T433] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 32.549110][ T433] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.549497][ T433] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.549807][ T433] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.550137][ T433] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.550443][ T433] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.550750][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.551058][ T433] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.551370][ T433] ? __create_object (mm/kmemleak.c:771) 
[ 32.551683][ T433] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.551995][ T433] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.552313][ T433] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.552690][ T433] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.553005][ T433] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.553324][ T433] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.553628][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.553937][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.554255][ T433] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.554558][ T433] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.554868][ T433] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.555181][ T433] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.555487][ T433] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.555796][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.556113][ T433] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.556425][ T433] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.556731][ T433] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.557047][ T433] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.557362][ T433] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 32.557667][ T433] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.557975][ T433] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.558290][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.558604][ T433] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.558911][ T433] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.559228][ T433] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.559540][ T433] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.559847][ T433] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.560170][ T433] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.560734][ T433] ___sys_sendmsg (net/socket.c:2670) 
[ 32.561038][ T433] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.561351][ T433] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 32.561733][ T433] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.562039][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.562356][ T433] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.562668][ T433] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.562973][ T433] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.563293][ T433] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.563613][ T433] __sys_sendmsg (net/socket.c:2700) 
[ 32.563914][ T433] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.564303][ T433] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.564618][ T433] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.564923][ T433] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.565235][ T433] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.565614][  T433] RIP: 0033:0x7f0eab7281e7
[ 32.565935][ T433] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   32.567022][  T433] RSP: 002b:00007ffdc261e378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.567489][  T433] RAX: ffffffffffffffda RBX: 00007ffdc261eaa0 RCX: 00007f0eab7281e7
[   32.567953][  T433] RDX: 0000000000000000 RSI: 00007ffdc261e3e0 RDI: 0000000000000005
[   32.568416][  T433] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.568870][  T433] R10: 00000000111b9910 R11: 0000000000000246 R12: 0000000000000004
[   32.569335][  T433] R13: 00000000686e3d2c R14: 0000000000499600 R15: 0000000000000000
| [   65.642069][  T673] ------------[ cut here ]------------
| [ 65.642396][ T673] WARNING: CPU: 0 PID: 673 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   65.642997][  T673] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   65.644904][  T673] Tainted: [W]=WARN
[   65.645156][  T673] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 65.645538][ T673] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 65.645856][ T673] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   65.646956][  T673] RSP: 0018:ffffc90001336f70 EFLAGS: 00010246
[   65.647353][  T673] RAX: 0000000000000000 RBX: ffff88800993a000 RCX: 0000000000000001
[   65.647812][  T673] RDX: 0000000000000000 RSI: ffffffffbbc9b941 RDI: ffffffffbb4555e0
[   65.648286][  T673] RBP: ffffc90001337058 R08: 0000000000000000 R09: 0000000000000000
[   65.648749][  T673] R10: ffffc90001337088 R11: ffffffffb8000130 R12: 1ffff92000266df2
[   65.649209][  T673] R13: 00000000000005dc R14: ffffc90001337088 R15: ffff88800993af08
[   65.649664][  T673] FS:  00007fa265645800(0000) GS:ffff8880716b7000(0000) knlGS:0000000000000000
[   65.650250][  T673] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.650639][  T673] CR2: 00000000004e5ab0 CR3: 0000000005226006 CR4: 0000000000772ef0
[   65.651096][  T673] PKRU: 55555554
[   65.651348][  T673] Call Trace:
[   65.651583][  T673]  <TASK>
[ 65.651737][ T673] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 65.652133][ T673] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 65.652486][ T673] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 65.652795][ T673] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 65.653100][ T673] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 65.653414][ T673] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 65.653720][ T673] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 65.654022][ T673] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 65.654355][ T673] ? ___sys_sendmsg (net/socket.c:2670) 
[ 65.654660][ T673] ? __sys_sendmsg (net/socket.c:2700) 
[ 65.654961][ T673] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 65.655284][ T673] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 65.655663][ T673] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.655977][ T673] netif_set_mtu (net/core/dev.c:9652) 
[ 65.656295][ T673] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 65.656624][ T673] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 65.656858][ T673] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 65.657290][ T673] br_del_if (net/bridge/br_if.c:743) bridge 
[ 65.657643][ T673] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 65.657951][ T673] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 65.658275][ T673] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 65.658585][ T673] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 65.658969][ T673] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 65.659281][ T673] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 65.659588][ T673] ? __kernel_text_address (kernel/extable.c:79) 
[ 65.659901][ T673] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.660265][ T673] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 65.660573][ T673] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 65.660951][ T673] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.661268][ T673] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.661571][ T673] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 65.661873][ T673] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 65.662196][ T673] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.662503][ T673] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 65.662804][ T673] ? __create_object (mm/kmemleak.c:771) 
[ 65.663138][ T673] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 65.663451][ T673] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 65.663753][ T673] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 65.664140][ T673] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 65.664453][ T673] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 65.664765][ T673] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 65.665069][ T673] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.665392][ T673] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.665697][ T673] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 65.665997][ T673] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.666311][ T673] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 65.666618][ T673] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 65.666922][ T673] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 65.667252][ T673] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.667561][ T673] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 65.667866][ T673] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 65.668177][ T673] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 65.668491][ T673] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 65.668793][ T673] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 65.669100][ T673] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 65.669427][ T673] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 65.669729][ T673] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.670046][ T673] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 65.670401][ T673] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 65.670708][ T673] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 65.671019][ T673] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 65.671347][ T673] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 65.671657][ T673] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 65.672047][ T673] ___sys_sendmsg (net/socket.c:2670) 
[ 65.672358][ T673] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 65.672664][ T673] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 65.673042][ T673] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 65.673360][ T673] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.673670][ T673] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 65.673990][ T673] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 65.674306][ T673] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 65.674608][ T673] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 65.674920][ T673] __sys_sendmsg (net/socket.c:2700) 
[ 65.675245][ T673] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 65.675623][ T673] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 65.675939][ T673] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 65.676262][ T673] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 65.676568][ T673] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   65.676944][  T673] RIP: 0033:0x7fa2658121e7
[ 65.677270][ T673] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   65.678361][  T673] RSP: 002b:00007ffd400b9b38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   65.678826][  T673] RAX: ffffffffffffffda RBX: 00007ffd400ba260 RCX: 00007fa2658121e7
[   65.679306][  T673] RDX: 0000000000000000 RSI: 00007ffd400b9ba0 RDI: 0000000000000005
[   65.679760][  T673] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   65.680270][  T673] R10: 00007fa26570fee8 R11: 0000000000000246 R12: 0000000000000003
[   65.680729][  T673] R13: 00000000686e3d4d R14: 0000000000499600 R15: 0000000000000000
| [   66.008906][  T676] ------------[ cut here ]------------
| [ 66.009233][ T676] WARNING: CPU: 3 PID: 676 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   66.009846][  T676] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   66.011420][  T676] Tainted: [W]=WARN
[   66.011650][  T676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 66.012031][ T676] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 66.012365][ T676] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   66.013461][  T676] RSP: 0018:ffffc90001356f70 EFLAGS: 00010246
[   66.013845][  T676] RAX: 0000000000000000 RBX: ffff88800993a000 RCX: 0000000000000001
[   66.014310][  T676] RDX: 0000000000000000 RSI: ffffffffbbc9b941 RDI: ffffffffbb4555e0
[   66.014764][  T676] RBP: ffffc90001357058 R08: 0000000000000000 R09: 0000000000000000
[   66.015224][  T676] R10: ffffc90001357088 R11: ffffffffbc179160 R12: 1ffff9200026adf2
[   66.015677][  T676] R13: 00000000000005dc R14: ffffc90001357088 R15: ffff88800993af08
[   66.016140][  T676] FS:  00007f2ac3d99800(0000) GS:ffff888071837000(0000) knlGS:0000000000000000
[   66.016672][  T676] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.017050][  T676] CR2: 00000000004e5aa8 CR3: 000000000c2f5002 CR4: 0000000000772ef0
[   66.017525][  T676] PKRU: 55555554
[   66.017754][  T676] Call Trace:
[   66.017981][  T676]  <TASK>
[ 66.018140][ T676] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 66.018524][ T676] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 66.018870][ T676] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 66.019184][ T676] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 66.019489][ T676] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 66.019790][ T676] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 66.020099][ T676] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 66.020412][ T676] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 66.020721][ T676] ? ___sys_sendmsg (net/socket.c:2670) 
[ 66.021024][ T676] ? __sys_sendmsg (net/socket.c:2700) 
[ 66.021341][ T676] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 66.021644][ T676] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 66.022018][ T676] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.022337][ T676] netif_set_mtu (net/core/dev.c:9652) 
[ 66.022640][ T676] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 66.022961][ T676] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 66.023214][ T676] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 66.023631][ T676] br_del_if (net/bridge/br_if.c:743) bridge 
[ 66.023972][ T676] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 66.024282][ T676] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 66.024589][ T676] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 66.024897][ T676] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 66.025301][ T676] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 66.025612][ T676] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 66.025914][ T676] ? __kernel_text_address (kernel/extable.c:79) 
[ 66.026229][ T676] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.026539][ T676] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 66.026841][ T676] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 66.027224][ T676] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.027528][ T676] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.027834][ T676] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 66.028145][ T676] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 66.028447][ T676] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.028753][ T676] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 66.029051][ T676] ? __create_object (mm/kmemleak.c:771) 
[ 66.029375][ T676] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 66.029681][ T676] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 66.029982][ T676] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 66.030382][ T676] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 66.030693][ T676] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 66.031001][ T676] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 66.031311][ T676] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.031620][ T676] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.031924][ T676] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 66.032233][ T676] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.032544][ T676] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 66.032845][ T676] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 66.033168][ T676] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 66.033477][ T676] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.033784][ T676] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 66.034084][ T676] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 66.034398][ T676] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 66.034712][ T676] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 66.035019][ T676] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 66.035332][ T676] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 66.035668][ T676] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 66.035970][ T676] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.036302][ T676] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 66.036609][ T676] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 66.036912][ T676] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 66.037249][ T676] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 66.037556][ T676] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 66.037857][ T676] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 66.038254][ T676] ___sys_sendmsg (net/socket.c:2670) 
[ 66.038556][ T676] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 66.038860][ T676] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 66.039247][ T676] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 66.039559][ T676] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.039863][ T676] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.040202][ T676] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.040511][ T676] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 66.040817][ T676] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.041149][ T676] __sys_sendmsg (net/socket.c:2700) 
[ 66.041451][ T676] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 66.041833][ T676] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 66.042155][ T676] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.042461][ T676] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 66.042764][ T676] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   66.043144][  T676] RIP: 0033:0x7f2ac3f661e7
[ 66.043457][ T676] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   66.044551][  T676] RSP: 002b:00007ffdd7761ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   66.045014][  T676] RAX: ffffffffffffffda RBX: 00007ffdd77623d0 RCX: 00007f2ac3f661e7
[   66.045485][  T676] RDX: 0000000000000000 RSI: 00007ffdd7761d10 RDI: 0000000000000005
[   66.045946][  T676] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   66.046407][  T676] R10: 00007f2ac3e63ee8 R11: 0000000000000246 R12: 0000000000000003
[   66.046860][  T676] R13: 00000000686e3d4d R14: 0000000000499600 R15: 0000000000000000
| [   66.335048][  T678] ------------[ cut here ]------------
| [ 66.336053][ T678] WARNING: CPU: 1 PID: 678 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   66.336663][  T678] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   66.337914][  T678] Tainted: [W]=WARN
[   66.338164][  T678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 66.338545][ T678] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 66.338858][ T678] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   66.339959][  T678] RSP: 0018:ffffc90001376f70 EFLAGS: 00010246
[   66.340370][  T678] RAX: 0000000000000000 RBX: ffff88800993a000 RCX: 0000000000000001
[   66.340833][  T678] RDX: 0000000000000000 RSI: ffffffffbbc9b941 RDI: ffffffffbb4555e0
[   66.341294][  T678] RBP: ffffc90001377058 R08: 0000000000000000 R09: 0000000000000000
[   66.341754][  T678] R10: ffffc90001377088 R11: ffffffffbc179160 R12: 1ffff9200026edf2
[   66.342232][  T678] R13: 00000000000005dc R14: ffffc90001377088 R15: ffff88800993af08
[   66.342695][  T678] FS:  00007fcf75868800(0000) GS:ffff888071737000(0000) knlGS:0000000000000000
[   66.343233][  T678] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.343616][  T678] CR2: 00000000004e5de8 CR3: 000000000edc7001 CR4: 0000000000772ef0
[   66.344082][  T678] PKRU: 55555554
[   66.344320][  T678] Call Trace:
[   66.344550][  T678]  <TASK>
[ 66.344705][ T678] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 66.345084][ T678] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 66.345445][ T678] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 66.345749][ T678] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 66.346054][ T678] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 66.346381][ T678] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 66.346687][ T678] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 66.346992][ T678] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 66.347306][ T678] ? ___sys_sendmsg (net/socket.c:2670) 
[ 66.347608][ T678] ? __sys_sendmsg (net/socket.c:2700) 
[ 66.347910][ T678] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 66.348220][ T678] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 66.348595][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.348916][ T678] netif_set_mtu (net/core/dev.c:9652) 
[ 66.349232][ T678] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 66.349553][ T678] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 66.349782][ T678] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 66.350234][ T678] br_del_if (net/bridge/br_if.c:743) bridge 
[ 66.350575][ T678] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 66.350881][ T678] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 66.351205][ T678] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 66.351513][ T678] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 66.351903][ T678] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 66.352214][ T678] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 66.352529][ T678] ? __kernel_text_address (kernel/extable.c:79) 
[ 66.352837][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.353150][ T678] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 66.353462][ T678] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 66.353839][ T678] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.354184][ T678] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.354493][ T678] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 66.354795][ T678] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 66.355116][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.355419][ T678] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 66.355719][ T678] ? __create_object (mm/kmemleak.c:771) 
[ 66.356031][ T678] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 66.356344][ T678] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 66.356651][ T678] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 66.357028][ T678] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 66.357345][ T678] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 66.357655][ T678] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 66.357958][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.358305][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.358612][ T678] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 66.358913][ T678] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.359234][ T678] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 66.359535][ T678] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 66.359839][ T678] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 66.360167][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.360476][ T678] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 66.360785][ T678] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 66.361091][ T678] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 66.361416][ T678] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 66.361720][ T678] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 66.362025][ T678] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 66.362350][ T678] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 66.362653][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.362967][ T678] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 66.363280][ T678] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 66.363589][ T678] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 66.363897][ T678] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 66.364210][ T678] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 66.364512][ T678] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 66.364901][ T678] ___sys_sendmsg (net/socket.c:2670) 
[ 66.365213][ T678] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 66.365515][ T678] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 66.365895][ T678] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 66.366221][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.366529][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.366839][ T678] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.367152][ T678] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 66.367458][ T678] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.367769][ T678] __sys_sendmsg (net/socket.c:2700) 
[ 66.368068][ T678] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 66.368451][ T678] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 66.368765][ T678] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.369070][ T678] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 66.369384][ T678] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   66.369768][  T678] RIP: 0033:0x7fcf75a351e7
[ 66.370093][ T678] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   66.371195][  T678] RSP: 002b:00007ffd907373e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   66.371655][  T678] RAX: ffffffffffffffda RBX: 00007ffd90737b10 RCX: 00007fcf75a351e7
[   66.372127][  T678] RDX: 0000000000000000 RSI: 00007ffd90737450 RDI: 0000000000000005
[   66.372583][  T678] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   66.373038][  T678] R10: 00007fcf75932ee8 R11: 0000000000000246 R12: 0000000000000003
[   66.373499][  T678] R13: 00000000686e3d4e R14: 0000000000499600 R15: 0000000000000000
| [   66.960181][  T682] ------------[ cut here ]------------
| [ 66.960499][ T682] WARNING: CPU: 3 PID: 682 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   66.961098][  T682] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   66.963978][  T682] Tainted: [W]=WARN
[   66.964219][  T682] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 66.964597][ T682] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 66.964909][ T682] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   66.966007][  T682] RSP: 0018:ffffc900013b6f70 EFLAGS: 00010246
[   66.966398][  T682] RAX: 0000000000000000 RBX: ffff88800993a000 RCX: 0000000000000001
[   66.966855][  T682] RDX: 0000000000000000 RSI: ffffffffbbc9b941 RDI: ffffffffbb4555e0
[   66.967317][  T682] RBP: ffffc900013b7058 R08: 0000000000000000 R09: 0000000000000000
[   66.967775][  T682] R10: ffffc900013b7088 R11: ffffffffbc179160 R12: 1ffff92000276df2
[   66.968243][  T682] R13: 00000000000005dc R14: ffffc900013b7088 R15: ffff88800993af08
[   66.968697][  T682] FS:  00007f90294f8800(0000) GS:ffff888071837000(0000) knlGS:0000000000000000
[   66.969254][  T682] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.969655][  T682] CR2: 00000000004e5ce0 CR3: 000000000aa85001 CR4: 0000000000772ef0
[   66.970160][  T682] PKRU: 55555554
[   66.970388][  T682] Call Trace:
[   66.970615][  T682]  <TASK>
[ 66.970768][ T682] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 66.971156][ T682] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 66.971501][ T682] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 66.971808][ T682] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 66.972122][ T682] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 66.972427][ T682] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 66.972729][ T682] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 66.973032][ T682] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 66.973346][ T682] ? ___sys_sendmsg (net/socket.c:2670) 
[ 66.973650][ T682] ? __sys_sendmsg (net/socket.c:2700) 
[ 66.973950][ T682] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 66.974265][ T682] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 66.974653][ T682] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.974967][ T682] netif_set_mtu (net/core/dev.c:9652) 
[ 66.975279][ T682] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 66.975600][ T682] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 66.975834][ T682] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 66.976265][ T682] br_del_if (net/bridge/br_if.c:743) bridge 
[ 66.976605][ T682] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 66.976908][ T682] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 66.977227][ T682] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 66.977536][ T682] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 66.977920][ T682] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 66.978231][ T682] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 66.978535][ T682] ? __kernel_text_address (kernel/extable.c:79) 
[ 66.978845][ T682] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.979162][ T682] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 66.979473][ T682] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 66.979852][ T682] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.980189][ T682] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.980494][ T682] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 66.980799][ T682] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 66.981112][ T682] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.981418][ T682] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 66.981725][ T682] ? __create_object (mm/kmemleak.c:771) 
[ 66.982033][ T682] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 66.982350][ T682] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 66.982654][ T682] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 66.983033][ T682] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 66.983354][ T682] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 66.983662][ T682] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 66.983966][ T682] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.984300][ T682] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.984605][ T682] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 66.984905][ T682] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.985217][ T682] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 66.985523][ T682] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 66.985826][ T682] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 66.986145][ T682] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.986461][ T682] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 66.986763][ T682] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 66.987067][ T682] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 66.987408][ T682] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 66.987708][ T682] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 66.988014][ T682] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 66.988333][ T682] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 66.988642][ T682] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.988949][ T682] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 66.989268][ T682] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 66.989573][ T682] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 66.989882][ T682] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 66.990205][ T682] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 66.990508][ T682] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 66.990899][ T682] ___sys_sendmsg (net/socket.c:2670) 
[ 66.991212][ T682] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 66.991514][ T682] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 66.991894][ T682] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 66.992211][ T682] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.992516][ T682] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.992823][ T682] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.993135][ T682] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 66.993443][ T682] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.993756][ T682] __sys_sendmsg (net/socket.c:2700) 
[ 66.994055][ T682] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 66.994437][ T682] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 66.994755][ T682] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.995058][ T682] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 66.995371][ T682] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   66.995752][  T682] RIP: 0033:0x7f90296c51e7
[ 66.996067][ T682] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   66.997190][  T682] RSP: 002b:00007ffcadc68d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   66.997655][  T682] RAX: ffffffffffffffda RBX: 00007ffcadc694c0 RCX: 00007f90296c51e7
[   66.998121][  T682] RDX: 0000000000000000 RSI: 00007ffcadc68e00 RDI: 0000000000000005
[   66.998574][  T682] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   66.999033][  T682] R10: 00007f90295c2ee8 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if