======================================
| [   21.686481][  T330] veth1: entered promiscuous mode
| [   21.689754][  T330] ------------[ cut here ]------------
| [ 21.690103][ T330] WARNING: CPU: 2 PID: 330 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) 
| [   21.690989][  T330] Modules linked in: bridge stp llc 8021q vrf veth
[   21.692089][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.692490][ T330] 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) 
[ 21.692838][ T330] 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
[   21.693980][  T330] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
[   21.694387][  T330] RAX: 0000000000000000 RBX: ffff888002162000 RCX: 0000000000000001
[   21.694876][  T330] RDX: 0000000000000000 RSI: ffffffffbae9b941 RDI: ffffffffba6555e0
[   21.695359][  T330] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.695844][  T330] R10: ffffc90000597010 R11: ffffffffbbca8918 R12: 1ffff920000b2de2
[   21.696321][  T330] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff888002162f08
[   21.696826][  T330] FS:  00007fe8d44d7800(0000) GS:ffff8880793b7000(0000) knlGS:0000000000000000
[   21.697418][  T330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.697840][  T330] CR2: 00000000004e5aa8 CR3: 000000000c4c0006 CR4: 0000000000772ef0
[   21.698319][  T330] PKRU: 55555554
[   21.698865][  T330] Call Trace:
[   21.699113][  T330]  <TASK>
[ 21.699290][ T330] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.699625][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.699964][ T330] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.700286][ T330] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.700696][ T330] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.701018][ T330] netif_set_mtu (net/core/dev.c:9652) 
[ 21.701342][ T330] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.701684][ T330] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.702137][ T330] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.702383][ T330] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.702827][ T330] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.703224][ T330] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.703574][ T330] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.703903][ T330] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.704316][ T330] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.704657][ T330] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.704982][ T330] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.705305][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.705641][ T330] ? __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) 
[ 21.705963][ T330] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.706367][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.706701][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.707025][ T330] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.707345][ T330] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.707677][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.707997][ T330] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.708314][ T330] ? __create_object (mm/kmemleak.c:771) 
[ 21.708649][ T330] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.708991][ T330] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.709318][ T330] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.709734][ T330] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.710060][ T330] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.710385][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.710711][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.711040][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.711363][ T330] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.711689][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.712012][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.712336][ T330] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.712667][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.712990][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.713315][ T330] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.713653][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.713989][ T330] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.714323][ T330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.714657][ T330] ? 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) 
[ 21.714978][ T330] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.715573][ T330] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.715894][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.716441][ T330] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.716788][ T330] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.717329][ T330] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.717670][ T330] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.718000][ T330] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.718553][ T330] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.718979][ T330] ___sys_sendmsg (net/socket.c:2670) 
[ 21.719533][ T330] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.719853][ T330] ? __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) 
[ 21.720248][ T330] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.720593][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.720923][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.721253][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.721811][ T330] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.722134][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.722464][ T330] __sys_sendmsg (net/socket.c:2700) 
[ 21.722796][ T330] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.723194][ T330] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.723535][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.723859][ T330] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.724193][ T330] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.724598][  T330] RIP: 0033:0x7fe8d46a41e7
[ 21.724933][ T330] 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)
[   21.726056][  T330] RSP: 002b:00007ffdc2a797a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.726571][  T330] RAX: ffffffffffffffda RBX: 00007ffdc2a79ed0 RCX: 00007fe8d46a41e7
[   21.727273][  T330] RDX: 0000000000000000 RSI: 00007ffdc2a79810 RDI: 0000000000000005
[   21.727754][  T330] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.728232][  T330] R10: 00000000377f3910 R11: 0000000000000246 R12: 0000000000000004
[   21.728968][  T330] R13: 00000000686e427a R14: 0000000000499600 R15: 0000000000000000
| [   22.087699][  T333] ------------[ cut here ]------------
| [ 22.088050][ T333] WARNING: CPU: 2 PID: 333 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) 
| [   22.089654][  T333] Modules linked in: bridge stp llc 8021q vrf veth
| [   22.090727][  T333] Tainted: [W]=WARN
[   22.090982][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.091378][ T333] 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) 
[ 22.091720][ T333] 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
[   22.092817][  T333] RSP: 0018:ffffc90000616ef0 EFLAGS: 00010246
[   22.093216][  T333] RAX: 0000000000000000 RBX: ffff888002162000 RCX: 0000000000000001
[   22.093691][  T333] RDX: 0000000000000000 RSI: ffffffffbae9b941 RDI: ffffffffba6555e0
[   22.094167][  T333] RBP: ffffc90000616fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.094643][  T333] R10: ffffc90000617010 R11: ffffffffbbca8918 R12: 1ffff920000c2de2
[   22.095118][  T333] R13: 00000000000005dc R14: ffffc90000617010 R15: ffff888002162f08
[   22.095605][  T333] FS:  00007fb7f7ed0800(0000) GS:ffff8880793b7000(0000) knlGS:0000000000000000
[   22.096149][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.096553][  T333] CR2: 00000000004e5ab0 CR3: 000000000c4c0002 CR4: 0000000000772ef0
[   22.097023][  T333] PKRU: 55555554
[   22.097269][  T333] Call Trace:
[   22.097518][  T333]  <TASK>
[ 22.097690][ T333] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.098008][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.098332][ T333] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.098658][ T333] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.099050][ T333] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.099371][ T333] netif_set_mtu (net/core/dev.c:9652) 
[ 22.099697][ T333] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.100046][ T333] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.100485][ T333] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.100742][ T333] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.101171][ T333] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.101548][ T333] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.101872][ T333] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.102201][ T333] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.102610][ T333] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.102931][ T333] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.103244][ T333] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.103578][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.103898][ T333] ? __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) 
[ 22.104237][ T333] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.104694][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.105023][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.105338][ T333] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.105665][ T333] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.105983][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.106300][ T333] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.106623][ T333] ? __create_object (mm/kmemleak.c:771) 
[ 22.106951][ T333] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.107267][ T333] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.107595][ T333] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.107986][ T333] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.108316][ T333] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.108667][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.108985][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.109306][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.109634][ T333] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.109948][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.110268][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.110590][ T333] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.110910][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.111229][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.111561][ T333] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.111901][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.112222][ T333] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.112560][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.112875][ T333] ? 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) 
[ 22.113211][ T333] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.113544][ T333] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.113860][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.114206][ T333] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.114539][ T333] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.114859][ T333] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.115205][ T333] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.115538][ T333] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.115854][ T333] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.116254][ T333] ___sys_sendmsg (net/socket.c:2670) 
[ 22.116586][ T333] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.116904][ T333] ? __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) 
[ 22.117297][ T333] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.117630][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.117955][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.118276][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.118601][ T333] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.118920][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.119245][ T333] __sys_sendmsg (net/socket.c:2700) 
[ 22.119571][ T333] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.119966][ T333] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.120296][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.120623][ T333] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.120940][ T333] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.121331][  T333] RIP: 0033:0x7fb7f809d1e7
[ 22.121671][ T333] 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)
[   22.122774][  T333] RSP: 002b:00007ffe89afae78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.123265][  T333] RAX: ffffffffffffffda RBX: 00007ffe89afb5a0 RCX: 00007fb7f809d1e7
[   22.123750][  T333] RDX: 0000000000000000 RSI: 00007ffe89afaee0 RDI: 0000000000000005
[   22.124235][  T333] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.124714][  T333] R10: 000000003d1f9910 R11: 0000000000000246 R12: 0000000000000004
[   22.125183][  T333] R13: 00000000686e427a R14: 0000000000499600 R15: 0000000000000000
| [  109.724765][ T2117] ------------[ cut here ]------------
| [ 109.725128][ T2117] WARNING: CPU: 2 PID: 2117 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) 
| [  109.725816][ T2117] Modules linked in: bridge stp llc 8021q vrf veth
| [  109.726939][ T2117] Tainted: [W]=WARN
[  109.727199][ T2117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 109.727837][ T2117] 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) 
[ 109.728194][ T2117] 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
[  109.729427][ T2117] RSP: 0018:ffffc90003b96f70 EFLAGS: 00010246
[  109.730153][ T2117] RAX: 0000000000000000 RBX: ffff888002162000 RCX: 0000000000000001
[  109.731039][ T2117] RDX: 0000000000000000 RSI: ffffffffbae9b941 RDI: ffffffffba6555e0
[  109.731908][ T2117] RBP: ffffc90003b97058 R08: 0000000000000000 R09: 0000000000000000
[  109.732781][ T2117] R10: ffffc90003b97088 R11: ffffffffb7200130 R12: 1ffff92000772df2
[  109.733649][ T2117] R13: 00000000000005dc R14: ffffc90003b97088 R15: ffff888002162f08
[  109.734394][ T2117] FS:  00007fdf5c887800(0000) GS:ffff8880793b7000(0000) knlGS:0000000000000000
[  109.735005][ T2117] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  109.735416][ T2117] CR2: 00000000004e5ab0 CR3: 0000000009289002 CR4: 0000000000772ef0
[  109.735922][ T2117] PKRU: 55555554
[  109.736173][ T2117] Call Trace:
[  109.736417][ T2117]  <TASK>
[ 109.736596][ T2117] ? __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) 
[ 109.737016][ T2117] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 109.737389][ T2117] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 109.737777][ T2117] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 109.738134][ T2117] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 109.738467][ T2117] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 109.738826][ T2117] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.739174][ T2117] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.739520][ T2117] ? ___sys_sendmsg (net/socket.c:2670) 
[ 109.739858][ T2117] ? __sys_sendmsg (net/socket.c:2700) 
[ 109.740192][ T2117] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.740543][ T2117] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 109.740970][ T2117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.741313][ T2117] netif_set_mtu (net/core/dev.c:9652) 
[ 109.741660][ T2117] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 109.742049][ T2117] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 109.742308][ T2117] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 109.742799][ T2117] br_del_if (net/bridge/br_if.c:743) bridge 
[ 109.743173][ T2117] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 109.743524][ T2117] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 109.743867][ T2117] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 109.744444][ T2117] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 109.745165][ T2117] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 109.745780][ T2117] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 109.746371][ T2117] ? __kernel_text_address (kernel/extable.c:79) 
[ 109.747020][ T2117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.747592][ T2117] ? __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) 
[ 109.748184][ T2117] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 109.748917][ T2117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.749527][ T2117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.750101][ T2117] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 109.750701][ T2117] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 109.751267][ T2117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.751863][ T2117] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 109.752412][ T2117] ? __create_object (mm/kmemleak.c:771) 
[ 109.752994][ T2117] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 109.753556][ T2117] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 109.754123][ T2117] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 109.754852][ T2117] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 109.755423][ T2117] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 109.756020][ T2117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.756580][ T2117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.757141][ T2117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.757708][ T2117] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 109.758238][ T2117] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.758804][ T2117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 109.759337][ T2117] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 109.759893][ T2117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.760520][ T2117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.761070][ T2117] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 109.761627][ T2117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 109.762160][ T2117] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 109.762761][ T2117] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 109.763323][ T2117] ? 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) 
[ 109.763930][ T2117] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 109.764528][ T2117] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 109.764878][ T2117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.765216][ T2117] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 109.765638][ T2117] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 109.765978][ T2117] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 109.766329][ T2117] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 109.766813][ T2117] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 109.767158][ T2117] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 109.767637][ T2117] ___sys_sendmsg (net/socket.c:2670) 
[ 109.768053][ T2117] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 109.768519][ T2117] ? __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) 
[ 109.768942][ T2117] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 109.769341][ T2117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.769717][ T2117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 109.770154][ T2117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 109.770581][ T2117] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 109.770925][ T2117] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 109.771269][ T2117] __sys_sendmsg (net/socket.c:2700) 
[ 109.771727][ T2117] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 109.772152][ T2117] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 109.772614][ T2117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 109.772942][ T2117] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 109.773269][ T2117] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  109.773698][ T2117] RIP: 0033:0x7fdf5ca541e7
[ 109.774113][ T2117] 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)
[  109.775651][ T2117] RSP: 002b:00007ffe92f91038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  109.776437][ T2117] RAX: ffffffffffffffda RBX: 00007ffe92f91760 RCX: 00007fdf5ca541e7
[  109.777301][ T2117] RDX: 0000000000000000 RSI: 00007ffe92f910a0 RDI: 0000000000000005
[  109.778159][ T2117] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  109.779016][ T2117] R10: 00007fdf5c951ee8 R11: 0000000000000246 R12: 0000000000000003
[  109.780104][ T2117] R13: 00000000686e42d2 R14: 0000000000499600 R15: 0000000000000000
| [  110.059100][ T2119] ------------[ cut here ]------------
| [ 110.059573][ T2119] WARNING: CPU: 2 PID: 2119 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) 
| [  110.060333][ T2119] Modules linked in: bridge stp llc 8021q vrf veth
| [  110.062304][ T2119] Tainted: [W]=WARN
[  110.062986][ T2119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 110.063767][ T2119] 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) 
[ 110.064566][ T2119] 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
[  110.066117][ T2119] RSP: 0018:ffffc90003bb6f70 EFLAGS: 00010246
[  110.066841][ T2119] RAX: 0000000000000000 RBX: ffff888002162000 RCX: 0000000000000001
[  110.067582][ T2119] RDX: 0000000000000000 RSI: ffffffffbae9b941 RDI: ffffffffba6555e0
[  110.068147][ T2119] RBP: ffffc90003bb7058 R08: 0000000000000000 R09: 0000000000000000
[  110.068651][ T2119] R10: ffffc90003bb7088 R11: ffffffffbb379160 R12: 1ffff92000776df2
[  110.069118][ T2119] R13: 00000000000005dc R14: ffffc90003bb7088 R15: ffff888002162f08
[  110.069773][ T2119] FS:  00007f41f2f24800(0000) GS:ffff8880793b7000(0000) knlGS:0000000000000000
[  110.070544][ T2119] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  110.071138][ T2119] CR2: 00000000004e5aa8 CR3: 0000000009289005 CR4: 0000000000772ef0
[  110.071661][ T2119] PKRU: 55555554
[  110.071997][ T2119] Call Trace:
[  110.072251][ T2119]  <TASK>
[ 110.072417][ T2119] ? __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) 
[ 110.072941][ T2119] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 110.073312][ T2119] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 110.073667][ T2119] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 110.074157][ T2119] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 110.074531][ T2119] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 110.074868][ T2119] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.075197][ T2119] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.075565][ T2119] ? ___sys_sendmsg (net/socket.c:2670) 
[ 110.075896][ T2119] ? __sys_sendmsg (net/socket.c:2700) 
[ 110.076247][ T2119] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.076579][ T2119] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 110.076965][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 110.077294][ T2119] netif_set_mtu (net/core/dev.c:9652) 
[ 110.077624][ T2119] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 110.077964][ T2119] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 110.078204][ T2119] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 110.078660][ T2119] br_del_if (net/bridge/br_if.c:743) bridge 
[ 110.079159][ T2119] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 110.079779][ T2119] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 110.080348][ T2119] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 110.080939][ T2119] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 110.081687][ T2119] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 110.082261][ T2119] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 110.082850][ T2119] ? __kernel_text_address (kernel/extable.c:79) 
[ 110.083426][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.084070][ T2119] ? __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) 
[ 110.084666][ T2119] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 110.085369][ T2119] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.085964][ T2119] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.086552][ T2119] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 110.087103][ T2119] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 110.087464][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 110.087838][ T2119] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 110.088171][ T2119] ? __create_object (mm/kmemleak.c:771) 
[ 110.088518][ T2119] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 110.088866][ T2119] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 110.089203][ T2119] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 110.089630][ T2119] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 110.089965][ T2119] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 110.090295][ T2119] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.090679][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.091010][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 110.091338][ T2119] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 110.091724][ T2119] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.092075][ T2119] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 110.092404][ T2119] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 110.092759][ T2119] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.093096][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.093430][ T2119] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 110.093774][ T2119] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 110.094118][ T2119] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 110.094455][ T2119] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 110.094783][ T2119] ? 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) 
[ 110.095106][ T2119] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 110.095426][ T2119] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 110.095764][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.096088][ T2119] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 110.096409][ T2119] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 110.096740][ T2119] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 110.097067][ T2119] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 110.097409][ T2119] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 110.097738][ T2119] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 110.098138][ T2119] ___sys_sendmsg (net/socket.c:2670) 
[ 110.098465][ T2119] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 110.098809][ T2119] ? __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) 
[ 110.099211][ T2119] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 110.099551][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 110.099888][ T2119] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 110.100216][ T2119] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 110.100545][ T2119] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 110.100892][ T2119] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 110.101222][ T2119] __sys_sendmsg (net/socket.c:2700) 
[ 110.101570][ T2119] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 110.101978][ T2119] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 110.102313][ T2119] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 110.102656][ T2119] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 110.102978][ T2119] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  110.103370][ T2119] RIP: 0033:0x7f41f30f11e7
[ 110.103724][ T2119] 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)
[  110.104886][ T2119] RSP: 002b:00007ffe4db69188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  110.105374][ T2119] RAX: ffffffffffffffda RBX: 00007ffe4db698b0 RCX: 00007f41f30f11e7
[  110.105856][ T2119] RDX: 0000000000000000 RSI: 00007ffe4db691f0 RDI: 0000000000000005
[  110.106344][ T2119] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  110.106856][ T2119] R10: 00007f41f2feeee8 R11: 0000000000000246 R12: 0000000000000003
[  110.107340][ T2119] R13: 00000000686e42d2 R14: 0000000000499600 R15: 0000000000000000
| [  111.190040][ T2137] ------------[ cut here ]------------
| [ 111.190444][ T2137] WARNING: CPU: 1 PID: 2137 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) 
| [  111.191464][ T2137] Modules linked in: bridge stp llc 8021q vrf veth
| [  111.192705][ T2137] Tainted: [W]=WARN
[  111.193013][ T2137] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.193462][ T2137] 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) 
[ 111.193883][ T2137] 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
[  111.195245][ T2137] RSP: 0018:ffffc90003c56ef0 EFLAGS: 00010246
[  111.195689][ T2137] RAX: 0000000000000000 RBX: ffff88800a8c2000 RCX: 0000000000000001
[  111.196241][ T2137] RDX: 0000000000000000 RSI: ffffffffbae9b941 RDI: ffffffffba6555e0
[  111.196870][ T2137] RBP: ffffc90003c56fe0 R08: 0000000000000000 R09: 0000000000000000
[  111.197422][ T2137] R10: ffffc90003c57010 R11: ffffffffbbca8918 R12: 1ffff9200078ade2
[  111.197910][ T2137] R13: 00000000000005dc R14: ffffc90003c57010 R15: ffff88800a8c2f08
[  111.198387][ T2137] FS:  00007f34577af800(0000) GS:ffff888079337000(0000) knlGS:0000000000000000
[  111.198961][ T2137] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.199405][ T2137] CR2: 00000000004e5aa8 CR3: 000000000febf004 CR4: 0000000000772ef0
[  111.199954][ T2137] PKRU: 55555554
[  111.200246][ T2137] Call Trace:
[  111.200482][ T2137]  <TASK>
[ 111.200736][ T2137] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.201052][ T2137] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.201361][ T2137] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.201781][ T2137] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.202254][ T2137] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.202650][ T2137] netif_set_mtu (net/core/dev.c:9652) 
[ 111.203025][ T2137] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.203381][ T2137] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.203942][ T2137] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.204190][ T2137] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.204644][ T2137] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.205015][ T2137] do_set_master (net/core/rtnetlink.c:2948) 
[ 111.205395][ T2137] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 111.205946][ T2137] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 111.206367][ T2137] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 111.206720][ T2137] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 111.207108][ T2137] ? __kernel_text_address (kernel/extable.c:79) 
[ 111.207415][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.207751][ T2137] ? __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) 
[ 111.208066][ T2137] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 111.208457][ T2137] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.208798][ T2137] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.209103][ T2137] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 111.209404][ T2137] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 111.209739][ T2137] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.210053][ T2137] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.210360][ T2137] ? __create_object (mm/kmemleak.c:771) 
[ 111.210702][ T2137] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 111.211023][ T2137] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 111.211398][ T2137] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 111.211811][ T2137] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 111.212125][ T2137] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.212487][ T2137] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.212851][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.213173][ T2137] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.213488][ T2137] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.213851][ T2137] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.214227][ T2137] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.214555][ T2137] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.214963][ T2137] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.215273][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.215747][ T2137] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.216062][ T2137] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.216370][ T2137] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.216763][ T2137] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.217069][ T2137] ? 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) 
[ 111.217467][ T2137] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.217812][ T2137] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.218123][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.218499][ T2137] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.218911][ T2137] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.219307][ T2137] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.219701][ T2137] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.220102][ T2137] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.220479][ T2137] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.221029][ T2137] ___sys_sendmsg (net/socket.c:2670) 
[ 111.221493][ T2137] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 111.222071][ T2137] ? __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) 
[ 111.222764][ T2137] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.223316][ T2137] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.223875][ T2137] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.224320][ T2137] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.224747][ T2137] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 111.225152][ T2137] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.225705][ T2137] __sys_sendmsg (net/socket.c:2700) 
[ 111.226196][ T2137] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 111.226636][ T2137] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.227192][ T2137] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.227760][ T2137] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.228310][ T2137] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.229001][ T2137] RIP: 0033:0x7f345797c1e7
[ 111.229597][ T2137] 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)
[  111.231540][ T2137] RSP: 002b:00007ffecf7db3a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.232352][ T2137] RAX: ffffffffffffffda RBX: 00007ffecf7dbad0 RCX: 00007f345797c1e7
[  111.233196][ T2137] RDX: 0000000000000000 RSI: 00007ffecf7db410 RDI: 0000000000000005
[  111.234045][ T2137] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  111.234884][ T2137] R10: 0000000028b3f910 R11: 0000000000000246 R12: 0000000000000004
[  111.235707][ T2137] R13: 00000000686e42d3 R14: 0000000000499600 R15: 0000000000000000
| [  111.865963][ T2143] ------------[ cut here ]------------
| [ 111.866296][ T2143] WARNING: CPU: 3 PID: 2143 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) 
| [  111.866944][ T2143] Modules linked in: bridge stp llc 8021q vrf veth
| [  111.868016][ T2143] Tainted: [W]=WARN
[  111.868246][ T2143] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 111.870222][ T2143] 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) 
[ 111.870560][ T2143] 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
[  111.871669][ T2143] RSP: 0018:ffffc90003c86ef0 EFLAGS: 00010246
[  111.872056][ T2143] RAX: 0000000000000000 RBX: ffff88800a8c2000 RCX: 0000000000000001
[  111.872531][ T2143] RDX: 0000000000000000 RSI: ffffffffbae9b941 RDI: ffffffffba6555e0
[  111.872997][ T2143] RBP: ffffc90003c86fe0 R08: 0000000000000000 R09: 0000000000000000
[  111.873457][ T2143] R10: ffffc90003c87010 R11: ffffffffbbca8918 R12: 1ffff92000790de2
[  111.873923][ T2143] R13: 00000000000005dc R14: ffffc90003c87010 R15: ffff88800a8c2f08
[  111.874657][ T2143] FS:  00007f7eb101b800(0000) GS:ffff888079437000(0000) knlGS:0000000000000000
[  111.875571][ T2143] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.876223][ T2143] CR2: 00000000004e5ab0 CR3: 000000000b830004 CR4: 0000000000772ef0
[  111.877066][ T2143] PKRU: 55555554
[  111.877485][ T2143] Call Trace:
[  111.877917][ T2143]  <TASK>
[ 111.878209][ T2143] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 111.878776][ T2143] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.879332][ T2143] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 111.879888][ T2143] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 111.880595][ T2143] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 111.881155][ T2143] netif_set_mtu (net/core/dev.c:9652) 
[ 111.881737][ T2143] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 111.882324][ T2143] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 111.883096][ T2143] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 111.883392][ T2143] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 111.883947][ T2143] br_add_if (net/bridge/br_if.c:697) bridge 
[ 111.884328][ T2143] do_set_master (net/core/rtnetlink.c:2948) 
[ 111.884671][ T2143] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 111.884985][ T2143] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 111.885383][ T2143] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 111.885953][ T2143] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 111.886540][ T2143] ? __kernel_text_address (kernel/extable.c:79) 
[ 111.886879][ T2143] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.887199][ T2143] ? __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) 
[ 111.887533][ T2143] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 111.887918][ T2143] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.888232][ T2143] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.888653][ T2143] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 111.889182][ T2143] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 111.889739][ T2143] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.890298][ T2143] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 111.890885][ T2143] ? __create_object (mm/kmemleak.c:771) 
[ 111.891446][ T2143] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 111.892027][ T2143] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 111.892579][ T2143] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 111.893214][ T2143] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 111.893802][ T2143] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 111.894373][ T2143] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.894948][ T2143] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.895501][ T2143] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.896081][ T2143] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 111.896638][ T2143] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.897171][ T2143] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 111.897734][ T2143] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 111.898303][ T2143] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.898874][ T2143] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.899438][ T2143] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 111.900011][ T2143] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 111.900572][ T2143] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 111.900972][ T2143] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 111.901363][ T2143] ? 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) 
[ 111.901709][ T2143] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 111.902034][ T2143] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 111.902341][ T2143] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.902903][ T2143] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 111.903352][ T2143] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 111.903691][ T2143] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 111.904005][ T2143] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 111.904337][ T2143] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 111.904670][ T2143] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 111.905061][ T2143] ___sys_sendmsg (net/socket.c:2670) 
[ 111.905362][ T2143] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 111.905697][ T2143] ? __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) 
[ 111.906080][ T2143] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 111.906402][ T2143] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.906736][ T2143] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 111.907066][ T2143] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 111.907378][ T2143] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 111.907704][ T2143] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 111.908019][ T2143] __sys_sendmsg (net/socket.c:2700) 
[ 111.908340][ T2143] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 111.909006][ T2143] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 111.909615][ T2143] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 111.909950][ T2143] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 111.910259][ T2143] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  111.910667][ T2143] RIP: 0033:0x7f7eb11e81e7
[ 111.910985][ T2143] 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)
[  111.912102][ T2143] RSP: 002b:00007ffe47cff628 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.912590][ T2143] RAX: ffffffffffffffda RBX: 00007ffe47cffd50 RCX: 00007f7eb11e81e7
[  111.913047][ T2143] RDX: 0000000000000000 RSI: 00007ffe47cff690 RDI: 0000000000000005
[  111.913613][ T2143] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  111.914449][ T2143] R10: 0000000012e43910 R11: 0000000000000246 R12: 0000000000000004
[  111.915295][ T2143] R13: 00000000686e42d4 R14: 0000000000499600 R15: 0000000000000000
| [  199.633284][ T3936] ------------[ cut here ]------------
| [ 199.633628][ T3936] WARNING: CPU: 3 PID: 3936 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) 
| [  199.634286][ T3936] Modules linked in: bridge stp llc 8021q vrf veth
| [  199.635338][ T3936] Tainted: [W]=WARN
[  199.635581][ T3936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 199.635970][ T3936] 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) 
[ 199.636293][ T3936] 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
[  199.637416][ T3936] RSP: 0018:ffffc90007056f70 EFLAGS: 00010246
[  199.637821][ T3936] RAX: 0000000000000000 RBX: ffff88800a8c2000 RCX: 0000000000000001
[  199.638277][ T3936] RDX: 0000000000000000 RSI: ffffffffbae9b941 RDI: ffffffffba6555e0
[  199.638755][ T3936] RBP: ffffc90007057058 R08: 0000000000000000 R09: 0000000000000000
[  199.639211][ T3936] R10: ffffc90007057088 R11: ffffffffbb379160 R12: 1ffff92000e0adf2
[  199.640082][ T3936] R13: 00000000000005dc R14: ffffc90007057088 R15: ffff88800a8c2f08
[  199.640560][ T3936] FS:  00007f7fcdbca800(0000) GS:ffff888079437000(0000) knlGS:0000000000000000
[  199.641097][ T3936] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  199.641477][ T3936] CR2: 00000000004e5ab0 CR3: 0000000004e68001 CR4: 0000000000772ef0
[  199.641944][ T3936] PKRU: 55555554
[  199.642175][ T3936] Call Trace:
[  199.642435][ T3936]  <TASK>
[ 199.642615][ T3936] ? __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) 
[ 199.643028][ T3936] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 199.643407][ T3936] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 199.643728][ T3936] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 199.644067][ T3936] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 199.644387][ T3936] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 199.644726][ T3936] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 199.645032][ T3936] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 199.645372][ T3936] ? ___sys_sendmsg (net/socket.c:2670) 
[ 199.645716][ T3936] ? __sys_sendmsg (net/socket.c:2700) 
[ 199.646027][ T3936] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 199.646329][ T3936] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 199.646729][ T3936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 199.647080][ T3936] netif_set_mtu (net/core/dev.c:9652) 
[ 199.647387][ T3936] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 199.647737][ T3936] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 199.647978][ T3936] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 199.648431][ T3936] br_del_if (net/bridge/br_if.c:743) bridge 
[ 199.648805][ T3936] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 199.649113][ T3936] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 199.649425][ T3936] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 199.649745][ T3936] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 199.650135][ T3936] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 199.650469][ T3936] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 199.650800][ T3936] ? __kernel_text_address (kernel/extable.c:79) 
[ 199.651119][ T3936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.651455][ T3936] ? __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) 
[ 199.651771][ T3936] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 199.652154][ T3936] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 199.652462][ T3936] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 199.652818][ T3936] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 199.653137][ T3936] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 199.653450][ T3936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 199.653761][ T3936] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 199.654062][ T3936] ? __create_object (mm/kmemleak.c:771) 
[ 199.654386][ T3936] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 199.654716][ T3936] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 199.655022][ T3936] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 199.655421][ T3936] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 199.655749][ T3936] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 199.656066][ T3936] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 199.656397][ T3936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.656719][ T3936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 199.657024][ T3936] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 199.657326][ T3936] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 199.657642][ T3936] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 199.657943][ T3936] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 199.658268][ T3936] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 199.658595][ T3936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.658913][ T3936] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 199.659221][ T3936] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 199.659542][ T3936] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 199.659862][ T3936] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 199.660196][ T3936] ? 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) 
[ 199.660518][ T3936] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 199.660826][ T3936] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 199.661129][ T3936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.661441][ T3936] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 199.661755][ T3936] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 199.662057][ T3936] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 199.662367][ T3936] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 199.662694][ T3936] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 199.663004][ T3936] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 199.663393][ T3936] ___sys_sendmsg (net/socket.c:2670) 
[ 199.663703][ T3936] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 199.664011][ T3936] ? __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) 
[ 199.664399][ T3936] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 199.664732][ T3936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 199.665048][ T3936] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.665356][ T3936] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 199.665665][ T3936] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 199.665970][ T3936] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 199.666280][ T3936] __sys_sendmsg (net/socket.c:2700) 
[ 199.666599][ T3936] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 199.666979][ T3936] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 199.667295][ T3936] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 199.667616][ T3936] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 199.667926][ T3936] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  199.668303][ T3936] RIP: 0033:0x7f7fcdd971e7
[ 199.668629][ T3936] 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)
[  199.669724][ T3936] RSP: 002b:00007ffc2f564748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  199.670186][ T3936] RAX: ffffffffffffffda RBX: 00007ffc2f564e70 RCX: 00007f7fcdd971e7
[  199.670672][ T3936] RDX: 0000000000000000 RSI: 00007ffc2f5647b0 RDI: 0000000000000005
[  199.671132][ T3936] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  199.671609][ T3936] R10: 00007f7fcdc94ee8 R11: 0000000000000246 R12: 0000000000000003
[  199.672074][ T3936] R13: 00000000686e432c R14: 0000000000499600 R15: 0000000000000000
| [  199.915970][ T3938] ------------[ cut here ]------------
| [ 199.916301][ T3938] WARNING: CPU: 3 PID: 3938 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) 
| [  199.917626][ T3938] Modules linked in: bridge stp llc 8021q vrf veth
| [  199.918681][ T3938] Tainted: [W]=WARN
[  199.918916][ T3938] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 199.919294][ T3938] 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) 
[ 199.919617][ T3938] 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
[  199.920756][ T3938] RSP: 0018:ffffc90007076f70 EFLAGS: 00010246
[  199.921150][ T3938] RAX: 0000000000000000 RBX: ffff88800a8c2000 RCX: 0000000000000001
[  199.921612][ T3938] RDX: 0000000000000000 RSI: ffffffffbae9b941 RDI: ffffffffba6555e0
[  199.922111][ T3938] RBP: ffffc90007077058 R08: 0000000000000000 R09: 0000000000000000
[  199.922589][ T3938] R10: ffffc90007077088 R11: ffffffffbb379160 R12: 1ffff92000e0edf2
[  199.923104][ T3938] R13: 00000000000005dc R14: ffffc90007077088 R15: ffff88800a8c2f08
[  199.923601][ T3938] FS:  00007efdbccb2800(0000) GS:ffff888079437000(0000) knlGS:0000000000000000
[  199.924177][ T3938] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  199.924580][ T3938] CR2: 00000000004e5aa8 CR3: 0000000004e68004 CR4: 0000000000772ef0
[  199.925059][ T3938] PKRU: 55555554
[  199.925287][ T3938] Call Trace:
[  199.925528][ T3938]  <TASK>
[ 199.925684][ T3938] ? __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) 
[ 199.926079][ T3938] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 199.926424][ T3938] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 199.926768][ T3938] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 199.927092][ T3938] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 199.927410][ T3938] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 199.927743][ T3938] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 199.928065][ T3938] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 199.928381][ T3938] ? ___sys_sendmsg (net/socket.c:2670) 
[ 199.928700][ T3938] ? __sys_sendmsg (net/socket.c:2700) 
[ 199.929019][ T3938] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 199.929333][ T3938] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 199.929725][ T3938] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 199.930070][ T3938] netif_set_mtu (net/core/dev.c:9652) 
[ 199.930390][ T3938] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 199.930740][ T3938] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 199.930992][ T3938] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 199.931426][ T3938] br_del_if (net/bridge/br_if.c:743) bridge 
[ 199.931798][ T3938] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 199.932118][ T3938] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 199.932425][ T3938] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 199.932749][ T3938] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 199.933145][ T3938] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 199.933449][ T3938] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 199.933760][ T3938] ? __kernel_text_address (kernel/extable.c:79) 
[ 199.934085][ T3938] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.934434][ T3938] ? __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) 
[ 199.934762][ T3938] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 199.935154][ T3938] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 199.935464][ T3938] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 199.935776][ T3938] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 199.936104][ T3938] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 199.936439][ T3938] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 199.936788][ T3938] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 199.937115][ T3938] ? __create_object (mm/kmemleak.c:771) 
[ 199.937443][ T3938] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 199.937757][ T3938] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 199.938082][ T3938] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 199.938460][ T3938] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 199.938787][ T3938] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 199.939104][ T3938] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 199.939440][ T3938] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.939771][ T3938] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 199.940085][ T3938] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 199.940384][ T3938] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 199.940699][ T3938] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 199.941034][ T3938] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 199.941339][ T3938] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 199.941663][ T3938] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.941970][ T3938] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 199.942271][ T3938] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 199.942582][ T3938] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 199.942899][ T3938] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 199.943199][ T3938] ? 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) 
[ 199.943502][ T3938] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 199.943826][ T3938] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 199.944129][ T3938] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.944448][ T3938] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 199.944763][ T3938] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 199.945077][ T3938] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 199.945386][ T3938] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 199.945700][ T3938] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 199.946015][ T3938] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 199.946398][ T3938] ___sys_sendmsg (net/socket.c:2670) 
[ 199.946711][ T3938] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 199.947017][ T3938] ? __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) 
[ 199.947422][ T3938] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 199.947738][ T3938] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 199.948047][ T3938] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 199.948361][ T3938] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 199.948674][ T3938] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 199.948982][ T3938] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 199.949292][ T3938] __sys_sendmsg (net/socket.c:2700) 
[ 199.949600][ T3938] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 199.949985][ T3938] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 199.950303][ T3938] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 199.950621][ T3938] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 199.950928][ T3938] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  199.951303][ T3938] RIP: 0033:0x7efdbce7f1e7
[ 199.951629][ T3938] 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)
[  199.952712][ T3938] RSP: 002b:00007ffd47bbc508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  199.953178][ T3938] RAX: ffffffffffffffda RBX: 00007ffd47bbcc30 RCX: 00007efdbce7f1e7
[  199.953676][ T3938] RDX: 0000000000000000 RSI: 00007ffd47bbc570 RDI: 0000000000000005
[  199.954170][ T3938] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  199.954675][ T3938] R10: 00007efdbcd7cee8 R11: 0000000000000246 R12: 0000000000000003
[  199.955176][ T3938] R13: 00000000686e432c R14: 0000000000499600 R15: 0000000000000000
| [  200.957289][ T3956] ------------[ cut here ]------------
| [ 200.957618][ T3956] WARNING: CPU: 3 PID: 3956 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) 
| [  200.958229][ T3956] Modules linked in: bridge stp llc 8021q vrf veth
| [  200.959269][ T3956] Tainted: [W]=WARN
[  200.959516][ T3956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 200.959916][ T3956] 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) 
[ 200.960238][ T3956] 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
[  200.961340][ T3956] RSP: 0018:ffffc900070d6ef0 EFLAGS: 00010246
[  200.961742][ T3956] RAX: 0000000000000000 RBX: ffff888002162000 RCX: 0000000000000001
[  200.962199][ T3956] RDX: 0000000000000000 RSI: ffffffffbae9b941 RDI: ffffffffba6555e0
[  200.962671][ T3956] RBP: ffffc900070d6fe0 R08: 0000000000000000 R09: 0000000000000000
[  200.963129][ T3956] R10: ffffc900070d7010 R11: ffffffffbbca8918 R12: 1ffff92000e1ade2
[  200.963627][ T3956] R13: 00000000000005dc R14: ffffc900070d7010 R15: ffff888002162f08
[  200.964084][ T3956] FS:  00007f545041d800(0000) GS:ffff888079437000(0000) knlGS:0000000000000000
[  200.964645][ T3956] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  200.965029][ T3956] CR2: 00000000004e5aa8 CR3: 000000000f890001 CR4: 0000000000772ef0
[  200.965761][ T3956] PKRU: 55555554
[  200.965994][ T3956] Call Trace:
[  200.966223][ T3956]  <TASK>
[ 200.966382][ T3956] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 200.966934][ T3956] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 200.967250][ T3956] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 200.967697][ T3956] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 200.968083][ T3956] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 200.968394][ T3956] netif_set_mtu (net/core/dev.c:9652) 
[ 200.968708][ T3956] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 200.969025][ T3956] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 200.969451][ T3956] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 200.969719][ T3956] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 200.970146][ T3956] br_add_if (net/bridge/br_if.c:697) bridge 
[ 200.970497][ T3956] do_set_master (net/core/rtnetlink.c:2948) 
[ 200.970826][ T3956] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 200.971135][ T3956] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 200.971529][ T3956] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 200.971836][ T3956] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 200.972138][ T3956] ? __kernel_text_address (kernel/extable.c:79) 
[ 200.972446][ T3956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 200.972761][ T3956] ? __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) 
[ 200.973071][ T3956] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 200.973450][ T3956] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 200.973774][ T3956] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 200.974078][ T3956] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 200.974391][ T3956] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 200.974703][ T3956] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 200.975016][ T3956] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 200.975321][ T3956] ? __create_object (mm/kmemleak.c:771) 
[ 200.975638][ T3956] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 200.975948][ T3956] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 200.976253][ T3956] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 200.976636][ T3956] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 200.976950][ T3956] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 200.977259][ T3956] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 200.977578][ T3956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 200.977895][ T3956] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 200.978198][ T3956] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 200.978499][ T3956] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 200.978819][ T3956] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 200.979121][ T3956] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 200.979444][ T3956] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 200.979761][ T3956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 200.980076][ T3956] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 200.980379][ T3956] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 200.980694][ T3956] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 200.981012][ T3956] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 200.981312][ T3956] ? 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) 
[ 200.981643][ T3956] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 200.981960][ T3956] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 200.982269][ T3956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 200.982588][ T3956] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 200.982900][ T3956] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 200.983206][ T3956] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 200.983526][ T3956] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 200.983840][ T3956] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 200.984142][ T3956] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 200.984566][ T3956] ___sys_sendmsg (net/socket.c:2670) 
[ 200.984873][ T3956] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 200.985176][ T3956] ? __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) 
[ 200.985574][ T3956] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 200.985885][ T3956] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 200.986192][ T3956] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 200.986523][ T3956] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 200.986829][ T3956] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 200.987139][ T3956] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 200.987448][ T3956] __sys_sendmsg (net/socket.c:2700) 
[ 200.987760][ T3956] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 200.988137][ T3956] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 200.988452][ T3956] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 200.988765][ T3956] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 200.989074][ T3956] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  200.989458][ T3956] RIP: 0033:0x7f54505ea1e7
[ 200.989805][ T3956] 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)
[  200.990918][ T3956] RSP: 002b:00007ffef8b3e788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  200.991387][ T3956] RAX: ffffffffffffffda RBX: 00007ffef8b3eeb0 RCX: 00007f54505ea1e7
[  200.991863][ T3956] RDX: 0000000000000000 RSI: 00007ffef8b3e7f0 RDI: 0000000000000005
[  200.992321][ T3956] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  200.992787][ T3956] R10: 00000000321d3910 R11: 0000000000000246 R12: 0000000000000004
[  200.993244][ T3956] R13: 00000000686e432d R14: 0000000000499600 R15: 0000000000000000
| [  201.552183][ T3961] ------------[ cut here ]------------
| [ 201.552487][ T3961] WARNING: CPU: 3 PID: 3961 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) 
| [  201.553101][ T3961] Modules linked in: bridge stp llc 8021q vrf veth
| [  201.554139][ T3961] Tainted: [W]=WARN
[  201.554391][ T3961] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 201.554788][ T3961] 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) 
[ 201.555116][ T3961] 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
[  201.556212][ T3961] RSP: 0018:ffffc900070a6ef0 EFLAGS: 00010246
[  201.556611][ T3961] RAX: 0000000000000000 RBX: ffff888002162000 RCX: 0000000000000001
[  201.557076][ T3961] RDX: 0000000000000000 RSI: ffffffffbae9b941 RDI: ffffffffba6555e0
[  201.557556][ T3961] RBP: ffffc900070a6fe0 R08: 0000000000000000 R09: 0000000000000000
[  201.558009][ T3961] R10: ffffc900070a7010 R11: ffffffffbbca8918 R12: 1ffff92000e14de2
[  201.558462][ T3961] R13: 00000000000005dc R14: ffffc900070a7010 R15: ffff888002162f08
[  201.558929][ T3961] FS:  00007fb08686c800(0000) GS:ffff888079437000(0000) knlGS:0000000000000000
[  201.559457][ T3961] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  201.559849][ T3961] CR2: 00000000004e5ab0 CR3: 000000000f890002 CR4: 0000000000772ef0
[  201.560308][ T3961] PKRU: 55555554
[  201.560544][ T3961] Call Trace:
[  201.560781][ T3961]  <TASK>
[ 201.560940][ T3961] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 201.561249][ T3961] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 201.561570][ T3961] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 201.561873][ T3961] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 201.562251][ T3961] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 201.562569][ T3961] netif_set_mtu (net/core/dev.c:9652) 
[ 201.562874][ T3961] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 201.563190][ T3961] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 201.563627][ T3961] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 201.563860][ T3961] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 201.564290][ T3961] br_add_if (net/bridge/br_if.c:697) bridge 
[ 201.564649][ T3961] do_set_master (net/core/rtnetlink.c:2948) 
[ 201.564958][ T3961] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 201.565265][ T3961] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 201.565666][ T3961] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 201.565970][ T3961] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 201.566271][ T3961] ? __kernel_text_address (kernel/extable.c:79) 
[ 201.566589][ T3961] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 201.566897][ T3961] ? __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) 
[ 201.567203][ T3961] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 201.567603][ T3961] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 201.567934][ T3961] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 201.568238][ T3961] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 201.568549][ T3961] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 201.568856][ T3961] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 201.569164][ T3961] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 201.569467][ T3961] ? __create_object (mm/kmemleak.c:771) 
[ 201.569788][ T3961] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 201.570093][ T3961] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 201.570402][ T3961] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 201.570787][ T3961] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 201.571097][ T3961] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 201.571405][ T3961] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 201.571716][ T3961] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 201.572029][ T3961] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 201.572334][ T3961] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 201.572648][ T3961] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 201.572954][ T3961] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 201.573258][ T3961] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 201.573571][ T3961] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 201.573880][ T3961] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 201.574195][ T3961] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 201.574501][ T3961] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 201.574820][ T3961] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 201.575138][ T3961] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 201.575441][ T3961] ? 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) 
[ 201.575754][ T3961] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 201.576063][ T3961] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 201.576369][ T3961] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 201.576686][ T3961] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 201.576994][ T3961] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 201.577306][ T3961] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 201.577627][ T3961] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 201.577937][ T3961] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 201.578239][ T3961] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 201.578639][ T3961] ___sys_sendmsg (net/socket.c:2670) 
[ 201.578940][ T3961] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 201.579243][ T3961] ? __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) 
[ 201.579638][ T3961] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 201.579946][ T3961] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 201.580256][ T3961] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 201.580575][ T3961] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 201.580878][ T3961] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 201.581182][ T3961] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 201.581497][ T3961] __sys_sendmsg (net/socket.c:2700) 
[ 201.581817][ T3961] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 201.582192][ T3961] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 201.582519][ T3961] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 201.582826][ T3961] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 201.583130][ T3961] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  201.583502][ T3961] RIP: 0033:0x7fb086a391e7
[ 201.583829][ T3961] 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)
[  201.584927][ T3961] RSP: 002b:00007ffc40969c48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  201.585385][ T3961] RAX: ffffffffffffffda RBX: 00007ffc4096a370 RCX: 00007fb086a391e7
[  201.585847][ T3961] RDX: 0000000000000000 RSI: 00007ffc40969cb0 RDI: 0000000000000005
[  201.586308][ T3961] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  201.586767][ T3961] R10: 0000000039765910 R11: 0000000000000246 R12: 0000000000000004
[  201.587221][ T3961] R13: 00000000686e432e R14: 0000000000499600 R15: 0000000000000000
| [  386.656149][ T7811] ------------[ cut here ]------------
| [ 386.656475][ T7811] WARNING: CPU: 1 PID: 7811 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) 
| [  386.657096][ T7811] Modules linked in: bridge stp llc 8021q vrf veth
| [  386.658743][ T7811] Tainted: [W]=WARN
[  386.659169][ T7811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 386.661835][ T7811] 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) 
[ 386.662433][ T7811] 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
[  386.663990][ T7811] RSP: 0018:ffffc90008366f70 EFLAGS: 00010246
[  386.664413][ T7811] RAX: 0000000000000000 RBX: ffff888002162000 RCX: 0000000000000001
[  386.665023][ T7811] RDX: 0000000000000000 RSI: ffffffffbae9b941 RDI: ffffffffba6555e0
[  386.665679][ T7811] RBP: ffffc90008367058 R08: 0000000000000000 R09: 0000000000000000
[  386.666133][ T7811] R10: ffffc90008367088 R11: ffffffffbb379160 R12: 1ffff9200106cdf2
[  386.666742][ T7811] R13: 00000000000005dc R14: ffffc90008367088 R15: ffff888002162f08
[  386.667216][ T7811] FS:  00007f89af77a800(0000) GS:ffff888079337000(0000) knlGS:0000000000000000
[  386.667789][ T7811] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  386.668169][ T7811] CR2: 00000000004e5ab0 CR3: 000000000f1bd005 CR4: 0000000000772ef0
[  386.668662][ T7811] PKRU: 55555554
[  386.668890][ T7811] Call Trace:
[  386.669116][ T7811]  <TASK>
[ 386.669269][ T7811] ? __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) 
[ 386.669896][ T7811] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 386.670268][ T7811] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 386.670602][ T7811] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 386.670907][ T7811] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 386.671209][ T7811] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 386.671550][ T7811] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 386.671859][ T7811] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 386.672166][ T7811] ? ___sys_sendmsg (net/socket.c:2670) 
[ 386.672488][ T7811] ? __sys_sendmsg (net/socket.c:2700) 
[ 386.672811][ T7811] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 386.673130][ T7811] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 386.673531][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 386.673844][ T7811] netif_set_mtu (net/core/dev.c:9652) 
[ 386.674158][ T7811] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 386.674516][ T7811] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 386.674750][ T7811] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 386.675191][ T7811] br_del_if (net/bridge/br_if.c:743) bridge 
[ 386.675691][ T7811] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 386.676244][ T7811] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 386.676827][ T7811] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 386.677398][ T7811] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 386.678126][ T7811] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 386.678647][ T7811] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 386.678962][ T7811] ? __kernel_text_address (kernel/extable.c:79) 
[ 386.679278][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 386.679631][ T7811] ? __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) 
[ 386.679942][ T7811] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 386.680325][ T7811] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 386.680657][ T7811] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 386.680969][ T7811] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 386.681285][ T7811] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 386.681651][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 386.681963][ T7811] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 386.682264][ T7811] ? __create_object (mm/kmemleak.c:771) 
[ 386.682599][ T7811] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 386.682905][ T7811] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 386.683207][ T7811] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 386.683623][ T7811] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 386.683944][ T7811] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 386.684252][ T7811] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 386.684739][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 386.685266][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 386.685605][ T7811] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 386.685915][ T7811] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 386.686219][ T7811] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 386.686539][ T7811] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 386.686844][ T7811] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 386.687150][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 386.687458][ T7811] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 386.687811][ T7811] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 386.688348][ T7811] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 386.688918][ T7811] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 386.689452][ T7811] ? 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) 
[ 386.689955][ T7811] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 386.690490][ T7811] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 386.691059][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 386.691637][ T7811] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 386.692156][ T7811] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 386.692710][ T7811] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 386.693236][ T7811] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 386.693809][ T7811] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 386.694356][ T7811] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 386.695052][ T7811] ___sys_sendmsg (net/socket.c:2670) 
[ 386.695626][ T7811] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 386.696153][ T7811] ? __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) 
[ 386.696862][ T7811] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 386.697432][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 386.698012][ T7811] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 386.698585][ T7811] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 386.699137][ T7811] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 386.699712][ T7811] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 386.700280][ T7811] __sys_sendmsg (net/socket.c:2700) 
[ 386.700848][ T7811] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 386.701549][ T7811] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 386.702138][ T7811] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 386.702711][ T7811] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 386.703270][ T7811] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  386.703971][ T7811] RIP: 0033:0x7f89af9471e7
[ 386.704576][ T7811] 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)
[  386.706538][ T7811] RSP: 002b:00007ffdc643b828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  386.707355][ T7811] RAX: ffffffffffffffda RBX: 00007ffdc643bf50 RCX: 00007f89af9471e7
[  386.708191][ T7811] RDX: 0000000000000000 RSI: 00007ffdc643b890 RDI: 0000000000000005
[  386.709041][ T7811] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  386.709903][ T7811] R10: 00007f89af844ee8 R11: 0000000000000246 R12: 0000000000000003
[  386.710740][ T7811] R13: 00000000686e43e7 R14: 0000000000499600 R15: 0000000000000000
| [  386.993746][ T7813] ------------[ cut here ]------------
| [ 386.994070][ T7813] WARNING: CPU: 0 PID: 7813 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) 
| [  386.994896][ T7813] Modules linked in: bridge stp llc 8021q vrf veth
| [  386.996167][ T7813] Tainted: [W]=WARN
[  386.996398][ T7813] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 386.996933][ T7813] 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) 
[ 386.997257][ T7813] 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
[  386.998568][ T7813] RSP: 0018:ffffc900083a6f70 EFLAGS: 00010246
[  386.998958][ T7813] RAX: 0000000000000000 RBX: ffff888002162000 RCX: 0000000000000001
[  386.999417][ T7813] RDX: 0000000000000000 RSI: ffffffffbae9b941 RDI: ffffffffba6555e0
[  386.999966][ T7813] RBP: ffffc900083a7058 R08: 0000000000000000 R09: 0000000000000000
[  387.000426][ T7813] R10: ffffc900083a7088 R11: ffffffffbb379160 R12: 1ffff92001074df2
[  387.000888][ T7813] R13: 00000000000005dc R14: ffffc900083a7088 R15: ffff888002162f08
[  387.001349][ T7813] FS:  00007f49519e8800(0000) GS:ffff8880792b7000(0000) knlGS:0000000000000000
[  387.001898][ T7813] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  387.002278][ T7813] CR2: 00000000004e5aa8 CR3: 000000000f964002 CR4: 0000000000772ef0
[  387.002745][ T7813] PKRU: 55555554
[  387.002975][ T7813] Call Trace:
[  387.003201][ T7813]  <TASK>
[ 387.003358][ T7813] ? __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) 
[ 387.003766][ T7813] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 387.004144][ T7813] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 387.004475][ T7813] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 387.004795][ T7813] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 387.005096][ T7813] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 387.005406][ T7813] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 387.005732][ T7813] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 387.006053][ T7813] ? ___sys_sendmsg (net/socket.c:2670) 
[ 387.006369][ T7813] ? __sys_sendmsg (net/socket.c:2700) 
[ 387.006691][ T7813] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 387.006996][ T7813] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 387.007393][ T7813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 387.007723][ T7813] netif_set_mtu (net/core/dev.c:9652) 
[ 387.008039][ T7813] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 387.008366][ T7813] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 387.008631][ T7813] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 387.009065][ T7813] br_del_if (net/bridge/br_if.c:743) bridge 
[ 387.009402][ T7813] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 387.009724][ T7813] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 387.010039][ T7813] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 387.010345][ T7813] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 387.010746][ T7813] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 387.011046][ T7813] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 387.011357][ T7813] ? __kernel_text_address (kernel/extable.c:79) 
[ 387.011674][ T7813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 387.011988][ T7813] ? __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) 
[ 387.012290][ T7813] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 387.012685][ T7813] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 387.012989][ T7813] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 387.013291][ T7813] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 387.013602][ T7813] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 387.013905][ T7813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 387.014207][ T7813] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 387.014548][ T7813] ? __create_object (mm/kmemleak.c:771) 
[ 387.014853][ T7813] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 387.015155][ T7813] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 387.015455][ T7813] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 387.015840][ T7813] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 387.016150][ T7813] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 387.016458][ T7813] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 387.016774][ T7813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 387.017085][ T7813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 387.017388][ T7813] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 387.017694][ T7813] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 387.017999][ T7813] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 387.018302][ T7813] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 387.018613][ T7813] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 387.018918][ T7813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 387.019230][ T7813] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 387.019538][ T7813] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 387.019840][ T7813] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 387.020151][ T7813] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 387.020450][ T7813] ? 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) 
[ 387.020764][ T7813] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 387.021068][ T7813] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 387.021376][ T7813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 387.021703][ T7813] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 387.022016][ T7813] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 387.022319][ T7813] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 387.022657][ T7813] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 387.022974][ T7813] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 387.023273][ T7813] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 387.023676][ T7813] ___sys_sendmsg (net/socket.c:2670) 
[ 387.023978][ T7813] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 387.024286][ T7813] ? __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) 
[ 387.024712][ T7813] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 387.025029][ T7813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 387.025356][ T7813] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 387.025688][ T7813] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 387.026006][ T7813] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 387.026317][ T7813] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 387.026658][ T7813] __sys_sendmsg (net/socket.c:2700) 
[ 387.026967][ T7813] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 387.027365][ T7813] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 387.027699][ T7813] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 387.028012][ T7813] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 387.028322][ T7813] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  387.028732][ T7813] RIP: 0033:0x7f4951bb51e7
[ 387.029063][ T7813] 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)
[  387.030165][ T7813] RSP: 002b:00007ffe9dcdd3e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  387.030651][ T7813] RAX: ffffffffffffffda RBX: 00007ffe9dcddb10 RCX: 00007f4951bb51e7
[  387.031122][ T7813] RDX: 0000000000000000 RSI: 00007ffe9dcdd450 RDI: 0000000000000005
[  387.031604][ T7813] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  387.032074][ T7813] R10: 00007f4951ab2ee8 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