======================================
| xx__-> [   14.608284][  T252] ip (252) used greatest stack depth: 23872 bytes left
| [   17.335330][  T301] ------------[ cut here ]------------
| [ 17.335889][ T301] WARNING: CPU: 0 PID: 301 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) 
| [   17.336435][  T301] Modules linked in: vrf veth
[   17.337449][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.337805][ T301] 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) 
[ 17.338097][ T301] 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
[   17.339185][  T301] RSP: 0018:ffffc90000667140 EFLAGS: 00010246
[   17.339537][  T301] RAX: 0000000000000000 RBX: ffff88800279c000 RCX: 0000000000000001
[   17.339970][  T301] RDX: 0000000000000000 RSI: ffffffff8ae9b941 RDI: ffffffff8a6555e0
[   17.340421][  T301] RBP: ffffc90000667230 R08: ffff888005dd8800 R09: 0000000000000000
[   17.340882][  T301] R10: ffffc900006675c8 R11: ffffffff8bc50668 R12: 1ffff920000cce2c
[   17.341313][  T301] R13: 0000000000002710 R14: ffffc90000667880 R15: ffff888009861560
[   17.341738][  T301] FS:  00007f458ff8a800(0000) GS:ffff8880a92b7000(0000) knlGS:0000000000000000
[   17.342225][  T301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.342596][  T301] CR2: 00000000004e5aa0 CR3: 000000000502f005 CR4: 0000000000772ef0
[   17.343015][  T301] PKRU: 55555554
[   17.343222][  T301] Call Trace:
[   17.343430][  T301]  <TASK>
[ 17.343581][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.343868][ T301] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 17.344140][ T301] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.344419][ T301] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 17.344710][ T301] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 17.344988][ T301] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 17.345267][ T301] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 17.345566][ T301] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 17.345915][ T301] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 17.346192][ T301] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 17.346463][ T301] ? __kernel_text_address (kernel/extable.c:79) 
[ 17.346769][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.347053][ T301] ? __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) 
[ 17.347329][ T301] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 17.347679][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.347957][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.348230][ T301] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 17.348503][ T301] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 17.348786][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.349060][ T301] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 17.349331][ T301] ? __create_object (mm/kmemleak.c:771) 
[ 17.349621][ T301] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 17.349897][ T301] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 17.350172][ T301] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 17.350513][ T301] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 17.350814][ T301] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 17.351093][ T301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.351370][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.351657][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.351931][ T301] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 17.352206][ T301] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.352485][ T301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 17.352766][ T301] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 17.353041][ T301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.353319][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.353608][ T301] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 17.353885][ T301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 17.354162][ T301] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 17.354448][ T301] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 17.354730][ T301] ? 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) 
[ 17.355008][ T301] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 17.355287][ T301] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 17.355571][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.355850][ T301] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 17.356129][ T301] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 17.356407][ T301] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 17.356708][ T301] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 17.356990][ T301] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 17.357263][ T301] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 17.357624][ T301] ___sys_sendmsg (net/socket.c:2670) 
[ 17.357896][ T301] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 17.358171][ T301] ? __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) 
[ 17.358513][ T301] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 17.358799][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.359078][ T301] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 17.359366][ T301] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 17.359646][ T301] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 17.359919][ T301] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 17.360200][ T301] __sys_sendmsg (net/socket.c:2700) 
[ 17.360472][ T301] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 17.360822][ T301] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 17.361110][ T301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 17.361391][ T301] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 17.361676][ T301] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   17.362016][  T301] RIP: 0033:0x7f45901571e7
[ 17.362303][ T301] 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)
[   17.363289][  T301] RSP: 002b:00007ffc23512cd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.363723][  T301] RAX: ffffffffffffffda RBX: 00007ffc23513400 RCX: 00007f45901571e7
[   17.364137][  T301] RDX: 0000000000000000 RSI: 00007ffc23512d40 RDI: 0000000000000005
[   17.364563][  T301] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   17.364978][  T301] R10: 00007f4590054ee8 R11: 0000000000000246 R12: 0000000000000004
[   17.365395][  T301] R13: 00000000686e49c5 R14: 0000000000499600 R15: 0000000000000000
| [   19.949066][  T343] ------------[ cut here ]------------
| [ 19.949378][ T343] WARNING: CPU: 3 PID: 343 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) 
| [   19.950562][  T343] Modules linked in: 8021q vrf veth
| [   19.951416][  T343] Tainted: [W]=WARN
[   19.951639][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.951986][ T343] 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) 
[ 19.952275][ T343] 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
[   19.953265][  T343] RSP: 0018:ffffc900005d7140 EFLAGS: 00010246
[   19.953625][  T343] RAX: 0000000000000000 RBX: ffff88800b599000 RCX: 0000000000000001
[   19.954037][  T343] RDX: 0000000000000000 RSI: ffffffff8ae9b941 RDI: ffffffff8a6555e0
[   19.954455][  T343] RBP: ffffc900005d7230 R08: ffff888009a82000 R09: 0000000000000000
[   19.954911][  T343] R10: ffffc900005d75c8 R11: ffffffff8bc50668 R12: 1ffff920000bae2c
[   19.955330][  T343] R13: 0000000000002710 R14: ffffc900005d7880 R15: ffff88800933c760
[   19.955754][  T343] FS:  00007f0fec0b1800(0000) GS:ffff8880a9437000(0000) knlGS:0000000000000000
[   19.956240][  T343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.956611][  T343] CR2: 00000000004e5ab8 CR3: 000000000b697001 CR4: 0000000000772ef0
[   19.957027][  T343] PKRU: 55555554
[   19.957235][  T343] Call Trace:
[   19.957442][  T343]  <TASK>
[ 19.957594][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.957880][ T343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.958158][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.958440][ T343] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 19.958730][ T343] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 19.959034][ T343] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 19.959317][ T343] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 19.959611][ T343] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.959963][ T343] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.960241][ T343] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.960563][ T343] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.960852][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.961132][ T343] ? __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) 
[ 19.961408][ T343] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.961764][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.962056][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.962332][ T343] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.962626][ T343] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.962905][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.963212][ T343] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.963485][ T343] ? __create_object (mm/kmemleak.c:771) 
[ 19.963779][ T343] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.964060][ T343] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.964337][ T343] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.964694][ T343] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.964971][ T343] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.965252][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.965531][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.965822][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.966100][ T343] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.966375][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.966672][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.966948][ T343] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.967229][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.967508][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.967795][ T343] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.968076][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.968355][ T343] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.968650][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.968930][ T343] ? 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) 
[ 19.969209][ T343] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.969488][ T343] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.969773][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.970057][ T343] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.970334][ T343] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.970622][ T343] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.970907][ T343] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.971187][ T343] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.971463][ T343] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.971839][ T343] ___sys_sendmsg (net/socket.c:2670) 
[ 19.972140][ T343] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.972415][ T343] ? __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) 
[ 19.972774][ T343] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.973058][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.973336][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.973660][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.973958][ T343] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.974232][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.974513][ T343] __sys_sendmsg (net/socket.c:2700) 
[ 19.974824][ T343] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.975165][ T343] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.975450][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.975735][ T343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.976010][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.976347][  T343] RIP: 0033:0x7f0fec27e1e7
[ 19.976667][ T343] 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)
[   19.977660][  T343] RSP: 002b:00007ffc45cfb578 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.978076][  T343] RAX: ffffffffffffffda RBX: 00007ffc45cfbca0 RCX: 00007f0fec27e1e7
[   19.978487][  T343] RDX: 0000000000000000 RSI: 00007ffc45cfb5e0 RDI: 0000000000000005
[   19.978902][  T343] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   19.979311][  T343] R10: 00007f0fec17bee8 R11: 0000000000000246 R12: 0000000000000004
[   19.979734][  T343] R13: 00000000686e49c7 R14: 0000000000499600 R15: 0000000000000000
| [   23.403322][  T401] ------------[ cut here ]------------
| [ 23.403702][ T401] WARNING: CPU: 2 PID: 401 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) 
| [   23.404291][  T401] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   23.405657][  T401] Tainted: [W]=WARN
[   23.405880][  T401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.406237][ T401] 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) 
[ 23.406571][ T401] 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
[   23.407580][  T401] RSP: 0018:ffffc90000627140 EFLAGS: 00010246
[   23.407942][  T401] RAX: 0000000000000000 RBX: ffff888008b59000 RCX: 0000000000000001
[   23.408381][  T401] RDX: 0000000000000000 RSI: ffffffff8ae9b941 RDI: ffffffff8a6555e0
[   23.408974][  T401] RBP: ffffc90000627230 R08: ffff888002083800 R09: 0000000000000000
[   23.409421][  T401] R10: ffffc900006275c8 R11: ffffffff8bc50668 R12: 1ffff920000c4e2c
[   23.409862][  T401] R13: 0000000000002710 R14: ffffc90000627880 R15: ffff8880097958e0
[   23.410285][  T401] FS:  00007f502abbd800(0000) GS:ffff8880a93b7000(0000) knlGS:0000000000000000
[   23.410795][  T401] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.411152][  T401] CR2: 00000000004e5aa8 CR3: 000000000b631001 CR4: 0000000000772ef0
[   23.411592][  T401] PKRU: 55555554
[   23.411811][  T401] Call Trace:
[   23.412028][  T401]  <TASK>
[ 23.412181][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.412472][ T401] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.412769][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.413058][ T401] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 23.413342][ T401] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 23.413646][ T401] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 23.413937][ T401] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 23.414233][ T401] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.414602][ T401] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.414897][ T401] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.415184][ T401] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.415479][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.415781][ T401] ? __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) 
[ 23.416078][ T401] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.416455][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.416774][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.417058][ T401] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.417346][ T401] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.417678][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.417972][ T401] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.418259][ T401] ? __create_object (mm/kmemleak.c:771) 
[ 23.418579][ T401] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.418874][ T401] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.419177][ T401] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.419531][ T401] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.419852][ T401] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.420164][ T401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.420455][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.420760][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.421052][ T401] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.421344][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.421645][ T401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.421951][ T401] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.422250][ T401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.422571][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.422876][ T401] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.423173][ T401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.423467][ T401] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.423783][ T401] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.424082][ T401] ? 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) 
[ 23.424378][ T401] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.424692][ T401] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.424991][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.425294][ T401] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.425598][ T401] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.425891][ T401] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.426198][ T401] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.426507][ T401] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.426814][ T401] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.427294][ T401] ___sys_sendmsg (net/socket.c:2670) 
[ 23.427812][ T401] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.428329][ T401] ? __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) 
[ 23.428831][ T401] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.429127][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.429426][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.429735][ T401] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.430025][ T401] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.430313][ T401] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.430620][ T401] __sys_sendmsg (net/socket.c:2700) 
[ 23.430907][ T401] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.431305][ T401] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.431632][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.431948][ T401] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.432236][ T401] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.432600][  T401] RIP: 0033:0x7f502ad8a1e7
[ 23.432895][ T401] 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)
[   23.433892][  T401] RSP: 002b:00007fff54c0c378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.434326][  T401] RAX: ffffffffffffffda RBX: 00007fff54c0caa0 RCX: 00007f502ad8a1e7
[   23.434759][  T401] RDX: 0000000000000000 RSI: 00007fff54c0c3e0 RDI: 0000000000000005
[   23.435179][  T401] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   23.435611][  T401] R10: 00007f502ac87ee8 R11: 0000000000000246 R12: 0000000000000004
[   23.436038][  T401] R13: 00000000686e49cb R14: 0000000000499600 R15: 0000000000000000
| [   23.881903][  T413] ------------[ cut here ]------------
| [ 23.882246][ T413] WARNING: CPU: 2 PID: 413 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) 
| [   23.882902][  T413] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   23.884814][  T413] Tainted: [W]=WARN
[   23.885060][  T413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.885456][ T413] 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) 
[ 23.885800][ T413] 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
[   23.886946][  T413] RSP: 0018:ffffc90000b66ef0 EFLAGS: 00010246
[   23.887349][  T413] RAX: 0000000000000000 RBX: ffff88800beca000 RCX: 0000000000000001
[   23.887873][  T413] RDX: 0000000000000000 RSI: ffffffff8ae9b941 RDI: ffffffff8a6555e0
[   23.888347][  T413] RBP: ffffc90000b66fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.888826][  T413] R10: ffffc90000b67010 R11: ffffffff8bca8918 R12: 1ffff9200016cde2
[   23.889306][  T413] R13: 0000000000002710 R14: ffffc90000b67010 R15: ffff88800becaf08
[   23.889785][  T413] FS:  00007f9ef01c5800(0000) GS:ffff8880a93b7000(0000) knlGS:0000000000000000
[   23.890343][  T413] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.890752][  T413] CR2: 00000000004e5410 CR3: 0000000009400003 CR4: 0000000000772ef0
[   23.891228][  T413] PKRU: 55555554
[   23.891486][  T413] Call Trace:
[   23.891739][  T413]  <TASK>
[ 23.891924][ T413] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.892267][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.892610][ T413] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.892931][ T413] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.893343][ T413] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.893672][ T413] netif_set_mtu (net/core/dev.c:9652) 
[ 23.893995][ T413] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.894330][ T413] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.894806][ T413] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.895065][ T413] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.895516][ T413] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.895901][ T413] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.896259][ T413] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.896614][ T413] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.897019][ T413] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.897353][ T413] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.897682][ T413] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.898012][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.898341][ T413] ? __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) 
[ 23.898674][ T413] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.899069][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.899390][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.899724][ T413] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.900050][ T413] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.900372][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.900717][ T413] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.901040][ T413] ? __create_object (mm/kmemleak.c:771) 
[ 23.901370][ T413] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.901701][ T413] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.902020][ T413] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.902414][ T413] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.902749][ T413] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.903076][ T413] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.903395][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.903732][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.904060][ T413] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.904379][ T413] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.904720][ T413] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.905050][ T413] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.905374][ T413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.905712][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.906043][ T413] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.906364][ T413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.906710][ T413] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.907048][ T413] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.907367][ T413] ? 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) 
[ 23.907696][ T413] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.908021][ T413] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.908337][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.908668][ T413] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.908990][ T413] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.909313][ T413] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.909651][ T413] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.909977][ T413] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.910303][ T413] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.910727][ T413] ___sys_sendmsg (net/socket.c:2670) 
[ 23.911054][ T413] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.911378][ T413] ? __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) 
[ 23.911787][ T413] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.912115][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.912448][ T413] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.912791][ T413] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.913115][ T413] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.913441][ T413] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.913776][ T413] __sys_sendmsg (net/socket.c:2700) 
[ 23.914097][ T413] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.914489][ T413] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.914829][ T413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.915153][ T413] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.915487][ T413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.915904][  T413] RIP: 0033:0x7f9ef03921e7
[ 23.916239][ T413] 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)
[   23.917382][  T413] RSP: 002b:00007ffc63ff7868 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.917893][  T413] RAX: ffffffffffffffda RBX: 00007ffc63ff7f90 RCX: 00007f9ef03921e7
[   23.918384][  T413] RDX: 0000000000000000 RSI: 00007ffc63ff78d0 RDI: 0000000000000005
[   23.918868][  T413] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.919359][  T413] R10: 0000000027fca910 R11: 0000000000000246 R12: 0000000000000004
[   23.919854][  T413] R13: 00000000686e49cb R14: 0000000000499600 R15: 0000000000000000
| [   24.531688][  T430] ------------[ cut here ]------------
| [ 24.532021][ T430] WARNING: CPU: 1 PID: 430 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.533603][  T430] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   24.535032][  T430] Tainted: [W]=WARN
[   24.535282][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.535719][ T430] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.536060][ T430] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.537216][  T430] RSP: 0000:ffffc900007c6ef0 EFLAGS: 00010246
[   24.537634][  T430] RAX: 0000000000000000 RBX: ffff8880095c2000 RCX: 0000000000000001
[   24.538120][  T430] RDX: 0000000000000000 RSI: ffffffff8ae9b941 RDI: ffffffff8a6555e0
[   24.538608][  T430] RBP: ffffc900007c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.539086][  T430] R10: ffffc900007c7010 R11: ffffffff8bca8918 R12: 1ffff920000f8de2
[   24.539581][  T430] R13: 0000000000002710 R14: ffffc900007c7010 R15: ffff8880095c2f08
[   24.540061][  T430] FS:  00007efc61bd3800(0000) GS:ffff8880a9337000(0000) knlGS:0000000000000000
[   24.540640][  T430] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.541046][  T430] CR2: 00007efc61e99770 CR3: 00000000050bf001 CR4: 0000000000772ef0
[   24.541528][  T430] PKRU: 55555554
[   24.541782][  T430] Call Trace:
[   24.542027][  T430]  <TASK>
[ 24.542193][ T430] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.542520][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.542857][ T430] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.543193][ T430] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.543609][ T430] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.543939][ T430] netif_set_mtu (net/core/dev.c:9652) 
[ 24.544261][ T430] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.544602][ T430] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.545106][ T430] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.545354][ T430] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.545806][ T430] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.546175][ T430] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.546511][ T430] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.546855][ T430] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.547272][ T430] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.547620][ T430] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.547943][ T430] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.548269][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.548607][ T430] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 24.548936][ T430] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.549338][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.549674][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.550004][ T430] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.550326][ T430] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.550659][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.550984][ T430] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.551305][ T430] ? __create_object (mm/kmemleak.c:771) 
[ 24.551656][ T430] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.551982][ T430] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.552313][ T430] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.552724][ T430] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.553053][ T430] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.553382][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.553720][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.554049][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.554372][ T430] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.554704][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.555036][ T430] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.555359][ T430] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.555694][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.556018][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.556344][ T430] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.556716][ T430] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.557045][ T430] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.557382][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.557714][ T430] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.558035][ T430] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.558359][ T430] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.558689][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.559017][ T430] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.559344][ T430] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.559686][ T430] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.560013][ T430] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.560338][ T430] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.560666][ T430] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.561075][ T430] ___sys_sendmsg (net/socket.c:2670) 
[ 24.561424][ T430] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.561757][ T430] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 24.562163][ T430] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.562486][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.562835][ T430] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.563160][ T430] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.563482][ T430] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.563815][ T430] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.564143][ T430] __sys_sendmsg (net/socket.c:2700) 
[ 24.564460][ T430] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.564872][ T430] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.565203][ T430] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.565528][ T430] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.565859][ T430] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.566256][  T430] RIP: 0033:0x7efc61da01e7
[ 24.566610][ T430] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.567767][  T430] RSP: 002b:00007fff176bb4a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.568253][  T430] RAX: ffffffffffffffda RBX: 00007fff176bbbd0 RCX: 00007efc61da01e7
[   24.568740][  T430] RDX: 0000000000000000 RSI: 00007fff176bb510 RDI: 0000000000000005
[   24.569224][  T430] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.569706][  T430] R10: 000000002842c910 R11: 0000000000000246 R12: 0000000000000004
[   24.570164][  T430] R13: 00000000686e49cc R14: 0000000000499600 R15: 0000000000000000
| [   25.225617][  T448] ------------[ cut here ]------------
| [ 25.225966][ T448] WARNING: CPU: 2 PID: 448 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) 
| [   25.226539][  T448] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   25.228218][  T448] Tainted: [W]=WARN
[   25.228455][  T448] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.228829][ T448] 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) 
[ 25.229133][ T448] 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
[   25.230153][  T448] RSP: 0018:ffffc90000797140 EFLAGS: 00010246
[   25.230527][  T448] RAX: 0000000000000000 RBX: ffff88800b5a4000 RCX: 0000000000000001
[   25.230975][  T448] RDX: 0000000000000000 RSI: ffffffff8ae9b941 RDI: ffffffff8a6555e0
[   25.231417][  T448] RBP: ffffc90000797230 R08: ffff88800aae3800 R09: 0000000000000000
[   25.231854][  T448] R10: ffffc900007975c8 R11: ffffffff8bc50668 R12: 1ffff920000f2e2c
[   25.232292][  T448] R13: 0000000000002710 R14: ffffc90000797880 R15: ffff888009797860
[   25.232730][  T448] FS:  00007f51aa27d800(0000) GS:ffff8880a93b7000(0000) knlGS:0000000000000000
[   25.233228][  T448] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.233599][  T448] CR2: 00000000004e5ab0 CR3: 00000000090fc003 CR4: 0000000000772ef0
[   25.234039][  T448] PKRU: 55555554
[   25.234265][  T448] Call Trace:
[   25.234484][  T448]  <TASK>
[ 25.234664][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.234961][ T448] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.235248][ T448] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.235540][ T448] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 25.235845][ T448] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 25.236139][ T448] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 25.236429][ T448] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 25.236753][ T448] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.237115][ T448] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.237407][ T448] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.237705][ T448] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.237996][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.238321][ T448] ? __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) 
[ 25.238856][ T448] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.239333][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.239648][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.239943][ T448] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.240236][ T448] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.240528][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.240840][ T448] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.241132][ T448] ? __create_object (mm/kmemleak.c:771) 
[ 25.241426][ T448] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.241726][ T448] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.242018][ T448] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.242371][ T448] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.242679][ T448] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.242976][ T448] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.243263][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.243572][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.243862][ T448] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.244160][ T448] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.244449][ T448] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.244750][ T448] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.245041][ T448] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.245332][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.245633][ T448] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.245921][ T448] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.246206][ T448] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.246524][ T448] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.246825][ T448] ? 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) 
[ 25.247117][ T448] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.247409][ T448] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.247708][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.248003][ T448] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.248298][ T448] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.248605][ T448] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.248901][ T448] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.249193][ T448] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.249512][ T448] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.249896][ T448] ___sys_sendmsg (net/socket.c:2670) 
[ 25.250194][ T448] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.250500][ T448] ? __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) 
[ 25.250892][ T448] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.251199][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.251501][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.251819][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.252125][ T448] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.252421][ T448] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.252756][ T448] __sys_sendmsg (net/socket.c:2700) 
[ 25.253075][ T448] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.253433][ T448] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.253767][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.254067][ T448] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.254367][ T448] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.254742][  T448] RIP: 0033:0x7f51aa44a1e7
[ 25.255051][ T448] 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)
[   25.256098][  T448] RSP: 002b:00007ffefe621e38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.256542][  T448] RAX: ffffffffffffffda RBX: 00007ffefe622560 RCX: 00007f51aa44a1e7
[   25.256976][  T448] RDX: 0000000000000000 RSI: 00007ffefe621ea0 RDI: 0000000000000005
[   25.257404][  T448] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   25.257845][  T448] R10: 00007f51aa347ee8 R11: 0000000000000246 R12: 0000000000000004
[   25.258269][  T448] R13: 00000000686e49cc R14: 0000000000499600 R15: 0000000000000000
| [   25.710645][  T460] ------------[ cut here ]------------
| [ 25.710958][ T460] WARNING: CPU: 3 PID: 460 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) 
| [   25.711604][  T460] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   25.712823][  T460] Tainted: [W]=WARN
[   25.713075][  T460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.713461][ T460] 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) 
[ 25.713786][ T460] 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
[   25.714933][  T460] RSP: 0018:ffffc9000094eef0 EFLAGS: 00010246
[   25.715323][  T460] RAX: 0000000000000000 RBX: ffff88800beca000 RCX: 0000000000000001
[   25.715792][  T460] RDX: 0000000000000000 RSI: ffffffff8ae9b941 RDI: ffffffff8a6555e0
[   25.716277][  T460] RBP: ffffc9000094efe0 R08: 0000000000000000 R09: 0000000000000000
[   25.716773][  T460] R10: ffffc9000094f010 R11: ffffffff8bca8918 R12: 1ffff92000129de2
[   25.717280][  T460] R13: 0000000000002710 R14: ffffc9000094f010 R15: ffff88800becaf08
[   25.717778][  T460] FS:  00007f949f175800(0000) GS:ffff8880a9437000(0000) knlGS:0000000000000000
[   25.718431][  T460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.718851][  T460] CR2: 00000000004e5410 CR3: 0000000008e3c004 CR4: 0000000000772ef0
[   25.719346][  T460] PKRU: 55555554
[   25.719584][  T460] Call Trace:
[   25.719814][  T460]  <TASK>
[ 25.719975][ T460] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.720281][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.720631][ T460] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 25.720942][ T460] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 25.721325][ T460] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 25.721649][ T460] netif_set_mtu (net/core/dev.c:9652) 
[ 25.721958][ T460] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.722277][ T460] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 25.722756][ T460] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.722987][ T460] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.723413][ T460] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.723814][ T460] do_set_master (net/core/rtnetlink.c:2948) 
[ 25.724133][ T460] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.724443][ T460] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.724842][ T460] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.725171][ T460] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.725479][ T460] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.725799][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.726113][ T460] ? __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) 
[ 25.726425][ T460] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.726831][ T460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.727142][ T460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.727449][ T460] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.727764][ T460] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.728071][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.728379][ T460] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.728698][ T460] ? __create_object (mm/kmemleak.c:771) 
[ 25.729009][ T460] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.729318][ T460] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.729633][ T460] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.730015][ T460] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.730331][ T460] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.730653][ T460] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.730964][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.731281][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.731599][ T460] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.731932][ T460] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.732243][ T460] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.732562][ T460] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.732874][ T460] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.733185][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.733502][ T460] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.733825][ T460] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.734137][ T460] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.734457][ T460] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.734793][ T460] ? 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) 
[ 25.735105][ T460] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.735419][ T460] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.735739][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.736052][ T460] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.736367][ T460] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.736704][ T460] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.737023][ T460] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.737354][ T460] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.737676][ T460] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.738071][ T460] ___sys_sendmsg (net/socket.c:2670) 
[ 25.738377][ T460] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.738693][ T460] ? __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) 
[ 25.739080][ T460] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.739399][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.739721][ T460] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.740036][ T460] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.740353][ T460] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.740674][ T460] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.741004][ T460] __sys_sendmsg (net/socket.c:2700) 
[ 25.741313][ T460] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.741710][ T460] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.742039][ T460] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.742353][ T460] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.742675][ T460] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.743061][  T460] RIP: 0033:0x7f949f3421e7
[ 25.743380][ T460] 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)
[   25.744495][  T460] RSP: 002b:00007ffe1d8b9c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.744974][  T460] RAX: ffffffffffffffda RBX: 00007ffe1d8ba360 RCX: 00007f949f3421e7
[   25.745437][  T460] RDX: 0000000000000000 RSI: 00007ffe1d8b9ca0 RDI: 0000000000000005
[   25.745913][  T460] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.746386][  T460] R10: 000000000f44d910 R11: 0000000000000246 R12: 0000000000000004
[   25.746865][  T460] R13: 00000000686e49cd R14: 0000000000499600 R15: 0000000000000000
| [   26.368918][  T477] ------------[ cut here ]------------
| [ 26.369265][ T477] WARNING: CPU: 1 PID: 477 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) 
| [   26.369964][  T477] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   26.371228][  T477] Tainted: [W]=WARN
[   26.371462][  T477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.371859][ T477] 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) 
[ 26.372178][ T477] 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
[   26.373310][  T477] RSP: 0018:ffffc90000776ef0 EFLAGS: 00010246
[   26.373720][  T477] RAX: 0000000000000000 RBX: ffff8880095c2000 RCX: 0000000000000001
[   26.374190][  T477] RDX: 0000000000000000 RSI: ffffffff8ae9b941 RDI: ffffffff8a6555e0
[   26.374683][  T477] RBP: ffffc90000776fe0 R08: 0000000000000000 R09: 0000000000000000
[   26.375159][  T477] R10: ffffc90000777010 R11: ffffffff8bca8918 R12: 1ffff920000eede2
[   26.375651][  T477] R13: 0000000000002710 R14: ffffc90000777010 R15: ffff8880095c2f08
[   26.376129][  T477] FS:  00007f47bf6b5800(0000) GS:ffff8880a9337000(0000) knlGS:0000000000000000
[   26.376690][  T477] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.377085][  T477] CR2: 00000000004e5418 CR3: 00000000095a1005 CR4: 0000000000772ef0
[   26.377569][  T477] PKRU: 55555554
[   26.377805][  T477] Call Trace:
[   26.378036][  T477]  <TASK>
[ 26.378197][ T477] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.378507][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.378851][ T477] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 26.379205][ T477] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 26.379636][ T477] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 26.379975][ T477] netif_set_mtu (net/core/dev.c:9652) 
[ 26.380312][ T477] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.380658][ T477] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 26.381132][ T477] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.381389][ T477] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 26.381820][ T477] br_add_if (net/bridge/br_if.c:697) bridge 
[ 26.382198][ T477] do_set_master (net/core/rtnetlink.c:2948) 
[ 26.382517][ T477] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 26.382866][ T477] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.383278][ T477] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.383601][ T477] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.383918][ T477] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.384230][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.384570][ T477] ? __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) 
[ 26.384889][ T477] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.385290][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.385617][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.385941][ T477] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.386283][ T477] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.386617][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.386924][ T477] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.387236][ T477] ? __create_object (mm/kmemleak.c:771) 
[ 26.387569][ T477] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 26.387876][ T477] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 26.388178][ T477] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.388571][ T477] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 26.388898][ T477] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.389221][ T477] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.389526][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.389868][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.390194][ T477] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.390497][ T477] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.390813][ T477] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.391132][ T477] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.391445][ T477] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.391766][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.392081][ T477] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.392384][ T477] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.392713][ T477] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.393044][ T477] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.393355][ T477] ? 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) 
[ 26.393672][ T477] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.393979][ T477] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.394281][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.394601][ T477] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.394908][ T477] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.395211][ T477] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.395524][ T477] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.395871][ T477] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.396183][ T477] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.396631][ T477] ___sys_sendmsg (net/socket.c:2670) 
[ 26.396946][ T477] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.397270][ T477] ? __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) 
[ 26.397664][ T477] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.397984][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.398303][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.398639][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.398950][ T477] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.399268][ T477] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.399590][ T477] __sys_sendmsg (net/socket.c:2700) 
[ 26.399896][ T477] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.400270][ T477] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.400610][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.400928][ T477] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.401241][ T477] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.401629][  T477] RIP: 0033:0x7f47bf8821e7
[ 26.401960][ T477] 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)
[   26.403102][  T477] RSP: 002b:00007ffc923931b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.403590][  T477] RAX: ffffffffffffffda RBX: 00007ffc923938e0 RCX: 00007f47bf8821e7
[   26.404056][  T477] RDX: 0000000000000000 RSI: 00007ffc92393220 RDI: 0000000000000005
[   26.404526][  T477] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.405024][  T477] R10: 0000000015b8a910 R11: 0000000000000246 R12: 0000000000000004
[   26.405501][  T477] R13: 00000000686e49ce R14: 0000000000499600 R15: 0000000000000000
| [   55.329278][  T626] ------------[ cut here ]------------
| [ 55.329623][ T626] WARNING: CPU: 3 PID: 626 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) 
| [   55.330230][  T626] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   55.331631][  T626] Tainted: [W]=WARN
[   55.331866][  T626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 55.332251][ T626] 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) 
[ 55.332582][ T626] 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
[   55.333712][  T626] RSP: 0018:ffffc900009c6f70 EFLAGS: 00010246
[   55.334112][  T626] RAX: 0000000000000000 RBX: ffff8880095c2000 RCX: 0000000000000001
[   55.334591][  T626] RDX: 0000000000000000 RSI: ffffffff8ae9b941 RDI: ffffffff8a6555e0
[   55.335061][  T626] RBP: ffffc900009c7058 R08: 0000000000000000 R09: 0000000000000000
[   55.335524][  T626] R10: ffffc900009c7088 R11: ffffffff87200130 R12: 1ffff92000138df2
[   55.335990][  T626] R13: 0000000000002710 R14: ffffc900009c7088 R15: ffff8880095c2f08
[   55.336463][  T626] FS:  00007f24bd34f800(0000) GS:ffff8880a9437000(0000) knlGS:0000000000000000
[   55.337025][  T626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.337411][  T626] CR2: 00000000004e5630 CR3: 0000000005294001 CR4: 0000000000772ef0
[   55.337879][  T626] PKRU: 55555554
[   55.338111][  T626] Call Trace:
[   55.338337][  T626]  <TASK>
[ 55.338492][ T626] ? __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) 
[ 55.338912][ T626] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 55.339279][ T626] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 55.339602][ T626] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 55.339910][ T626] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 55.340213][ T626] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 55.340518][ T626] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 55.340842][ T626] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 55.341151][ T626] ? ___sys_sendmsg (net/socket.c:2670) 
[ 55.341455][ T626] ? __sys_sendmsg (net/socket.c:2700) 
[ 55.341785][ T626] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 55.342116][ T626] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 55.342499][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.342840][ T626] netif_set_mtu (net/core/dev.c:9652) 
[ 55.343151][ T626] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 55.343583][ T626] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 55.343822][ T626] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 55.344296][ T626] br_del_if (net/bridge/br_if.c:743) bridge 
[ 55.344651][ T626] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 55.344966][ T626] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 55.345295][ T626] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 55.345615][ T626] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 55.346002][ T626] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 55.346304][ T626] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 55.346636][ T626] ? __kernel_text_address (kernel/extable.c:79) 
[ 55.346956][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.347265][ T626] ? __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) 
[ 55.347580][ T626] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 55.347955][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.348285][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.348599][ T626] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 55.348906][ T626] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 55.349223][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.349527][ T626] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 55.349838][ T626] ? __create_object (mm/kmemleak.c:771) 
[ 55.350154][ T626] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 55.350460][ T626] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 55.350783][ T626] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 55.351163][ T626] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 55.351484][ T626] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 55.351804][ T626] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 55.352107][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.352416][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.352733][ T626] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 55.353046][ T626] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.353354][ T626] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 55.353666][ T626] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 55.353983][ T626] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.354292][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.354622][ T626] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 55.354931][ T626] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.355238][ T626] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 55.355570][ T626] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 55.355877][ T626] ? 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) 
[ 55.356192][ T626] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 55.356500][ T626] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 55.356825][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.357148][ T626] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 55.357463][ T626] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 55.357779][ T626] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 55.358093][ T626] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 55.358400][ T626] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 55.358735][ T626] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 55.359125][ T626] ___sys_sendmsg (net/socket.c:2670) 
[ 55.359425][ T626] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 55.359738][ T626] ? __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) 
[ 55.360123][ T626] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 55.360432][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.360755][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.361067][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.361371][ T626] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 55.361685][ T626] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.362005][ T626] __sys_sendmsg (net/socket.c:2700) 
[ 55.362310][ T626] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 55.362709][ T626] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 55.363027][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.363342][ T626] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 55.363659][ T626] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   55.364038][  T626] RIP: 0033:0x7f24bd51c1e7
[ 55.364357][ T626] 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)
[   55.365457][  T626] RSP: 002b:00007fff740c6da8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   55.365933][  T626] RAX: ffffffffffffffda RBX: 00007fff740c74d0 RCX: 00007f24bd51c1e7
[   55.366393][  T626] RDX: 0000000000000000 RSI: 00007fff740c6e10 RDI: 0000000000000005
[   55.366876][  T626] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   55.367341][  T626] R10: 00007f24bd419ee8 R11: 0000000000000246 R12: 0000000000000003
[   55.367801][  T626] R13: 00000000686e49eb R14: 0000000000499600 R15: 0000000000000000
| [   55.790527][  T634] ------------[ cut here ]------------
| [ 55.791187][ T634] WARNING: CPU: 2 PID: 634 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) 
| [   55.791828][  T634] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   55.793114][  T634] Tainted: [W]=WARN
[   55.793358][  T634] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 55.793776][ T634] 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) 
[ 55.794120][ T634] 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
[   55.795227][  T634] RSP: 0018:ffffc90000a76f70 EFLAGS: 00010246
[   55.795637][  T634] RAX: 0000000000000000 RBX: ffff88800beca000 RCX: 0000000000000001
[   55.796120][  T634] RDX: 0000000000000000 RSI: ffffffff8ae9b941 RDI: ffffffff8a6555e0
[   55.796613][  T634] RBP: ffffc90000a77058 R08: 0000000000000000 R09: 0000000000000000
[   55.797088][  T634] R10: ffffc90000a77088 R11: ffffffff8b379160 R12: 1ffff9200014edf2
[   55.797579][  T634] R13: 0000000000002710 R14: ffffc90000a77088 R15: ffff88800becaf08
[   55.798057][  T634] FS:  00007feed1530800(0000) GS:ffff8880a93b7000(0000) knlGS:0000000000000000
[   55.798611][  T634] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.799013][  T634] CR2: 00000000004e5628 CR3: 000000000b69e003 CR4: 0000000000772ef0
[   55.799485][  T634] PKRU: 55555554
[   55.799738][  T634] Call Trace:
[   55.799977][  T634]  <TASK>
[ 55.800148][ T634] ? __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) 
[ 55.800563][ T634] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 55.800936][ T634] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 55.801259][ T634] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 55.801598][ T634] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 55.801921][ T634] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 55.802243][ T634] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 55.802574][ T634] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 55.802904][ T634] ? ___sys_sendmsg (net/socket.c:2670) 
[ 55.803224][ T634] ? __sys_sendmsg (net/socket.c:2700) 
[ 55.803540][ T634] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 55.803874][ T634] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 55.804270][ T634] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.804613][ T634] netif_set_mtu (net/core/dev.c:9652) 
[ 55.804934][ T634] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 55.805270][ T634] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 55.805523][ T634] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 55.805985][ T634] br_del_if (net/bridge/br_if.c:743) bridge 
[ 55.806339][ T634] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 55.806683][ T634] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 55.807005][ T634] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 55.807334][ T634] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 55.807743][ T634] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 55.808069][ T634] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 55.808389][ T634] ? __kernel_text_address (kernel/extable.c:79) 
[ 55.808725][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.809048][ T634] ? __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) 
[ 55.809373][ T634] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 55.809807][ T634] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.810132][ T634] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.810461][ T634] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 55.810790][ T634] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 55.811113][ T634] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.811435][ T634] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 55.811763][ T634] ? __create_object (mm/kmemleak.c:771) 
[ 55.812086][ T634] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 55.812415][ T634] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 55.812747][ T634] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 55.813144][ T634] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 55.813475][ T634] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 55.813820][ T634] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 55.814141][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.814470][ T634] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.814805][ T634] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 55.815117][ T634] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.815444][ T634] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 55.815771][ T634] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 55.816093][ T634] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.816417][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.816764][ T634] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 55.817084][ T634] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.817406][ T634] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 55.817756][ T634] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 55.818078][ T634] ? 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) 
[ 55.818402][ T634] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 55.818738][ T634] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 55.819054][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.819374][ T634] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 55.819717][ T634] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 55.820035][ T634] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 55.820374][ T634] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 55.820710][ T634] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 55.821027][ T634] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 55.821431][ T634] ___sys_sendmsg (net/socket.c:2670) 
[ 55.821778][ T634] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 55.822101][ T634] ? __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) 
[ 55.822496][ T634] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 55.822833][ T634] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.823158][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.823485][ T634] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.823815][ T634] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 55.824134][ T634] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.824462][ T634] __sys_sendmsg (net/socket.c:2700) 
[ 55.824791][ T634] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 55.825191][ T634] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 55.825522][ T634] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.825865][ T634] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 55.826184][ T634] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   55.826594][  T634] RIP: 0033:0x7feed16fd1e7
[ 55.826928][ T634] 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)
[   55.828058][  T634] RSP: 002b:00007ffdaab237d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   55.828535][  T634] RAX: ffffffffffffffda RBX: 00007ffdaab23f00 RCX: 00007feed16fd1e7
[   55.829018][  T634] RDX: 0000000000000000 RSI: 00007ffdaab23840 RDI: 0000000000000005
[   55.829499][  T634] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   55.829995][  T634] R10: 00007feed15faee8 R11: 0000000000000246 R12: 0000000000000003
[   55.830467][  T634] R13: 00000000686e49eb R14: 0000000000499600 R15: 0000000000000000
| [   56.160955][  T638] ------------[ cut here ]------------
| [ 56.161286][ T638] WARNING: CPU: 3 PID: 638 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) 
| [   56.161970][  T638] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   56.163284][  T638] Tainted: [W]=WARN
[   56.163496][  T638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.164020][ T638] 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) 
[ 56.164310][ T638] 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
[   56.165424][  T638] RSP: 0018:ffffc900007c7140 EFLAGS: 00010246
[   56.165911][  T638] RAX: 0000000000000000 RBX: ffff88800b5a4000 RCX: 0000000000000001
[   56.166325][  T638] RDX: 0000000000000000 RSI: ffffffff8ae9b941 RDI: ffffffff8a6555e0
[   56.166887][  T638] RBP: ffffc900007c7230 R08: ffff88800b4ca000 R09: 0000000000000000
[   56.167298][  T638] R10: ffffc900007c75c8 R11: ffffffff8bc50668 R12: 1ffff920000f8e2c
[   56.167797][  T638] R13: 00000000000005dc R14: ffffc900007c7880 R15: ffff88800e964760
[   56.168206][  T638] FS:  00007fe1ea592800(0000) GS:ffff8880a9437000(0000) knlGS:0000000000000000
[   56.168693][  T638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.169037][  T638] CR2: 00000000004e5ab0 CR3: 00000000051f8003 CR4: 0000000000772ef0
[   56.169451][  T638] PKRU: 55555554
[   56.169671][  T638] Call Trace:
[   56.169878][  T638]  <TASK>
[ 56.170019][ T638] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.170302][ T638] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 56.170581][ T638] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.170860][ T638] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 56.171134][ T638] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 56.171410][ T638] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 56.171712][ T638] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 56.171998][ T638] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 56.172349][ T638] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 56.172648][ T638] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 56.172921][ T638] ? __kernel_text_address (kernel/extable.c:79) 
[ 56.173200][ T638] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.173476][ T638] ? __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) 
[ 56.173764][ T638] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 56.174107][ T638] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.174385][ T638] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.174668][ T638] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 56.174942][ T638] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 56.175221][ T638] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.175497][ T638] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 56.175788][ T638] ? __create_object (mm/kmemleak.c:771) 
[ 56.176068][ T638] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 56.176346][ T638] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 56.176635][ T638] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 56.176976][ T638] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 56.177260][ T638] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 56.177540][ T638] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.177822][ T638] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.178108][ T638] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.178384][ T638] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 56.178665][ T638] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.178944][ T638] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.179216][ T638] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 56.179493][ T638] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.179781][ T638] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.180077][ T638] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 56.180354][ T638] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.180639][ T638] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 56.180924][ T638] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 56.181196][ T638] ? 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) 
[ 56.181475][ T638] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 56.181766][ T638] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 56.182051][ T638] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.182331][ T638] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.182618][ T638] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 56.182897][ T638] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 56.183183][ T638] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.183463][ T638] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 56.183745][ T638] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 56.184107][ T638] ___sys_sendmsg (net/socket.c:2670) 
[ 56.184380][ T638] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 56.184665][ T638] ? __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) 
[ 56.185007][ T638] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 56.185285][ T638] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.185569][ T638] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.185850][ T638] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.186128][ T638] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 56.186414][ T638] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.186720][ T638] __sys_sendmsg (net/socket.c:2700) 
[ 56.186995][ T638] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 56.187371][ T638] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 56.187679][ T638] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.187959][ T638] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.188239][ T638] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   56.188605][  T638] RIP: 0033:0x7fe1ea75f1e7
[ 56.188896][ T638] 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)
[   56.189893][  T638] RSP: 002b:00007fffe47b0678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   56.190320][  T638] RAX: ffffffffffffffda RBX: 00007fffe47b0da0 RCX: 00007fe1ea75f1e7
[   56.190757][  T638] RDX: 0000000000000000 RSI: 00007fffe47b06e0 RDI: 0000000000000005
[   56.191174][  T638] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   56.191598][  T638] R10: 00007fe1ea65cee8 R11: 0000000000000246 R12: 0000000000000004
[   56.192009][  T638] R13: 00000000686e49eb R14: 0000000000499600 R15: 0000000000000000
| [   56.610750][  T644] ------------[ cut here ]------------
| [ 56.611077][ T644] WARNING: CPU: 0 PID: 644 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) 
| [   56.611709][  T644] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   56.613025][  T644] Tainted: [W]=WARN
[   56.613261][  T644] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.614367][ T644] 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) 
[ 56.614699][ T644] 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
[   56.615802][  T644] RSP: 0018:ffffc90000b66f70 EFLAGS: 00010246
[   56.616193][  T644] RAX: 0000000000000000 RBX: ffff8880095c2000 RCX: 0000000000000001
[   56.616667][  T644] RDX: 0000000000000000 RSI: ffffffff8ae9b941 RDI: ffffffff8a6555e0
[   56.617126][  T644] RBP: ffffc90000b67058 R08: 0000000000000000 R09: 0000000000000000
[   56.617601][  T644] R10: ffffc90000b67088 R11: ffffffff8b379160 R12: 1ffff9200016cdf2
[   56.618061][  T644] R13: 00000000000005dc R14: ffffc90000b67088 R15: ffff8880095c2f08
[   56.618523][  T644] FS:  00007ff0681c8800(0000) GS:ffff8880a92b7000(0000) knlGS:0000000000000000
[   56.619071][  T644] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.619460][  T644] CR2: 00000000004e73c0 CR3: 000000000a950006 CR4: 0000000000772ef0
[   56.619942][  T644] PKRU: 55555554
[   56.620174][  T644] Call Trace:
[   56.620411][  T644]  <TASK>
[ 56.620597][ T644] ? __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) 
[ 56.620985][ T644] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 56.621344][ T644] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 56.621657][ T644] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 56.621974][ T644] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 56.622289][ T644] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 56.622608][ T644] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.622913][ T644] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.623220][ T644] ? ___sys_sendmsg (net/socket.c:2670) 
[ 56.623529][ T644] ? __sys_sendmsg (net/socket.c:2700) 
[ 56.623842][ T644] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.624149][ T644] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 56.624537][ T644] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.624869][ T644] netif_set_mtu (net/core/dev.c:9652) 
[ 56.625180][ T644] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 56.625503][ T644] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 56.625743][ T644] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 56.626166][ T644] br_del_if (net/bridge/br_if.c:743) bridge 
[ 56.626509][ T644] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 56.626845][ T644] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 56.627154][ T644] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 56.627466][ T644] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 56.627860][ T644] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 56.628164][ T644] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 56.628469][ T644] ? __kernel_text_address (kernel/extable.c:79) 
[ 56.628789][ T644] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.629107][ T644] ? __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) 
[ 56.629457][ T644] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 56.629850][ T644] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.630159][ T644] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.630467][ T644] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 56.630783][ T644] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 56.631090][ T644] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.631394][ T644] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 56.631733][ T644] ? __create_object (mm/kmemleak.c:771) 
[ 56.632041][ T644] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 56.632346][ T644] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 56.632664][ T644] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 56.633043][ T644] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 56.633353][ T644] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 56.633676][ T644] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.633987][ T644] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.634300][ T644] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.634621][ T644] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 56.634926][ T644] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.635231][ T644] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.635539][ T644] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 56.635862][ T644] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.636173][ T644] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.636490][ T644] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 56.636819][ T644] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.637125][ T644] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 56.637444][ T644] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 56.637760][ T644] ? 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) 
[ 56.638068][ T644] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 56.638378][ T644] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 56.638701][ T644] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.639012][ T644] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.639320][ T644] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 56.639663][ T644] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 56.639980][ T644] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.640289][ T644] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 56.640602][ T644] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 56.641006][ T644] ___sys_sendmsg (net/socket.c:2670) 
[ 56.641309][ T644] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 56.641623][ T644] ? __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) 
[ 56.642004][ T644] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 56.642314][ T644] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.642636][ T644] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.642948][ T644] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.643262][ T644] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 56.643578][ T644] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.643891][ T644] __sys_sendmsg (net/socket.c:2700) 
[ 56.644193][ T644] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 56.644578][ T644] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 56.644896][ T644] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.645202][ T644] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.645509][ T644] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   56.645910][  T644] RIP: 0033:0x7ff0683951e7
[ 56.646231][ T644] 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)
[   56.647333][  T644] RSP: 002b:00007ffe6c0f4ec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   56.647811][  T644] RAX: ffffffffffffffda RBX: 00007ffe6c0f55f0 RCX: 00007ff0683951e7
[   56.648268][  T644] RDX: 0000000000000000 RSI: 00007ffe6c0f4f30 RDI: 0000000000000005
[   56.648733][  T644] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   56.649190][  T644] R10: 00007ff068292ee8 R11: 0000000000000246 R12: 0000000000000003
[   56.649659][  T644] R13: 00000000686e49ec R14: 0000000000499600 R15: 0000000000000000
| [   57.102175][  T650] ------------[ cut here ]------------
| [ 57.102594][ T650] WARNING: CPU: 2 PID: 650 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) 
| [   57.103250][  T650] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   57.104601][  T650] Tainted: [W]=WARN
[   57.104855][  T650] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 57.105265][ T650] 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) 
[ 57.105634][ T650] 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
[   57.106809][  T650] RSP: 0018:ffffc90000bb6f70 EFLAGS: 00010246
[   57.107228][  T650] RAX: 0000000000000000 RBX: ffff88800beca000 RCX: 0000000000000001
[   57.107726][  T650] RDX: 0000000000000000 RSI: ffffffff8ae9b941 RDI: ffffffff8a6555e0
[   57.108197][  T650] RBP: ffffc90000bb7058 R08: 0000000000000000 R09: 0000000000000000
[   57.108672][  T650] R10: ffffc90000bb7088 R11: ffffffff8b379160 R12: 1ffff92000176df2
[   57.109153][  T650] R13: 00000000000005dc R14: ffffc90000bb7088 R15: ffff88800becaf08
[   57.110960][  T650] FS:  00007fa4c4708800(0000) GS:ffff8880a93b7000(0000) knlGS:0000000000000000
[   57.111564][  T650] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.111962][  T650] CR2: 00000000004e73b8 CR3: 000000000b75a002 CR4: 0000000000772ef0
[   57.112442][  T650] PKRU: 55555554
[   57.112706][  T650] Call Trace:
[   57.112954][  T650]  <TASK>
[ 57.113131][ T650] ? __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) 
[ 57.113566][ T650] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 57.113950][ T650] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 57.114288][ T650] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 57.114631][ T650] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 57.114964][ T650] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 57.115302][ T650] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.115642][ T650] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.115981][ T650] ? ___sys_sendmsg (net/socket.c:2670) 
[ 57.116315][ T650] ? __sys_sendmsg (net/socket.c:2700) 
[ 57.116670][ T650] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.117000][ T650] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 57.117392][ T650] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.117738][ T650] netif_set_mtu (net/core/dev.c:9652) 
[ 57.118058][ T650] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 57.118394][ T650] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 57.118656][ T650] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 57.119107][ T650] br_del_if (net/bridge/br_if.c:743) bridge 
[ 57.119470][ T650] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 57.119818][ T650] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 57.120154][ T650] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 57.120492][ T650] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 57.120921][ T650] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 57.121262][ T650] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 57.121602][ T650] ? __kernel_text_address (kernel/extable.c:79) 
[ 57.121946][ T650] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.122282][ T650] ? __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) 
[ 57.122621][ T650] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 57.123025][ T650] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.123356][ T650] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.123928][ T650] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 57.124264][ T650] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 57.124597][ T650] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.124918][ T650] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 57.125232][ T650] ? __create_object (mm/kmemleak.c:771) 
[ 57.125561][ T650] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 57.125882][ T650] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 57.126201][ T650] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 57.126621][ T650] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 57.126948][ T650] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 57.127275][ T650] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.127604][ T650] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.127929][ T650] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.128254][ T650] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 57.128578][ T650] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.128900][ T650] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.129229][ T650] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 57.129556][ T650] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.129878][ T650] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.130205][ T650] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 57.130524][ T650] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.130849][ T650] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 57.131181][ T650] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 57.131497][ T650] ? 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) 
[ 57.131825][ T650] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 57.132149][ T650] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 57.132467][ T650] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.132806][ T650] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.133138][ T650] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 57.133465][ T650] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 57.133811][ T650] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.134137][ T650] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 57.134455][ T650] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 57.134874][ T650] ___sys_sendmsg (net/socket.c:2670) 
[ 57.135195][ T650] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 57.135516][ T650] ? __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) 
[ 57.135925][ T650] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 57.136259][ T650] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.136616][ T650] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.136957][ T650] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.137288][ T650] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 57.137620][ T650] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.137953][ T650] __sys_sendmsg (net/socket.c:2700) 
[ 57.138294][ T650] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 57.138697][ T650] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 57.139028][ T650] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.139349][ T650] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.139678][ T650] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   57.140071][  T650] RIP: 0033:0x7fa4c48d51e7
[ 57.140411][ T650] 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)
[   57.141564][  T650] RSP: 002b:00007ffd81c08f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   57.142050][  T650] RAX: ffffffffffffffda RBX: 00007ffd81c09660 RCX: 00007fa4c48d51e7
[   57.142530][  T650] RDX: 0000000000000000 RSI: 00007ffd81c08fa0 RDI: 0000000000000005
[   57.143006][  T650] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   57.143494][  T650] R10: 00007fa4c47d2ee8 R11: 0000000000000246 R12: 0000000000000003
[   57.143983][  T650] R13: 00000000686e49ec R14: 0000000000499600 R15: 0000000000000000
| [   57.474831][  T654] ------------[ cut here ]------------
| [ 57.475155][ T654] WARNING: CPU: 1 PID: 654 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) 
| [   57.476916][  T654] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   57.478083][  T654] Tainted: [W]=WARN
[   57.478332][  T654] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 57.478694][ T654] 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) 
[ 57.478993][ T654] 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
[   57.479993][  T654] RSP: 0018:ffffc90000757140 EFLAGS: 00010246
[   57.480352][  T654] RAX: 0000000000000000 RBX: ffff888008b59000 RCX: 0000000000000001
[   57.480774][  T654] RDX: 0000000000000000 RSI: ffffffff8ae9b941 RDI: ffffffff8a6555e0
[   57.481182][  T654] RBP: ffffc90000757230 R08: ffff88800bd68800 R09: 0000000000000000
[   57.481599][  T654] R10: ffffc900007575c8 R11: ffffffff8bc50668 R12: 1ffff920000eae2c
[   57.482020][  T654] R13: 00000000000005dc R14: ffffc90000757880 R15: ffff88800938c3e0
[   57.482462][  T654] FS:  00007ff935c4d800(0000) GS:ffff8880a9337000(0000) knlGS:0000000000000000
[   57.482959][  T654] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.483308][  T654] CR2: 00000000004e5aa8 CR3: 000000000b49e001 CR4: 0000000000772ef0
[   57.483728][  T654] PKRU: 55555554
[   57.483943][  T654] Call Trace:
[   57.484148][  T654]  <TASK>
[ 57.484288][ T654] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.484576][ T654] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 57.484853][ T654] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.485142][ T654] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 57.485420][ T654] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 57.485704][ T654] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 57.485986][ T654] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 57.486296][ T654] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 57.486664][ T654] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 57.486940][ T654] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 57.487214][ T654] ? __kernel_text_address (kernel/extable.c:79) 
[ 57.487491][ T654] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.487777][ T654] ? __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) 
[ 57.488064][ T654] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 57.488403][ T654] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.488685][ T654] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.488960][ T654] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 57.489233][ T654] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 57.489510][ T654] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.489792][ T654] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 57.490068][ T654] ? __create_object (mm/kmemleak.c:771) 
[ 57.490375][ T654] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 57.490665][ T654] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 57.490942][ T654] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 57.491285][ T654] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 57.491579][ T654] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 57.491861][ T654] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.492135][ T654] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.492422][ T654] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.492723][ T654] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 57.492998][ T654] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.493275][ T654] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 57.493557][ T654] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 57.493836][ T654] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.494115][ T654] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.494433][ T654] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 57.494721][ T654] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 57.495003][ T654] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 57.495288][ T654] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 57.495572][ T654] ? 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) 
[ 57.495849][ T654] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 57.496134][ T654] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 57.496413][ T654] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.496721][ T654] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 57.497001][ T654] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 57.497278][ T654] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 57.497572][ T654] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 57.497853][ T654] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 57.498127][ T654] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 57.498527][ T654] ___sys_sendmsg (net/socket.c:2670) 
[ 57.498811][ T654] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 57.499087][ T654] ? __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) 
[ 57.499430][ T654] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 57.499714][ T654] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.499992][ T654] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 57.500279][ T654] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 57.500565][ T654] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 57.500843][ T654] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 57.501129][ T654] __sys_sendmsg (net/socket.c:2700) 
[ 57.501405][ T654] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 57.501752][ T654] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 57.502041][ T654] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 57.502353][ T654] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 57.502640][ T654] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   57.502991][  T654] RIP: 0033:0x7ff935e1a1e7
[ 57.503284][ T654] 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)
[   57.504282][  T654] RSP: 002b:00007ffc7f156608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   57.504713][  T654] RAX: ffffffffffffffda RBX: 00007ffc7f156d30 RCX: 00007ff935e1a1e7
[   57.505125][  T654] RDX: 0000000000000000 RSI: 00007ffc7f156670 RDI: 0000000000000005
[   57.505559][  T654] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   57.505974][  T654] R10: 00007ff935d17ee8 R11: 0000000000000246 R12: 0000000000000004
[   57.506415][  T654] R13: 00000000686e49ed R14: 0000000000499600 R15: 0000000000000000
| [   58.733357][  T669] ------------[ cut here ]------------
| [ 58.733769][ T669] WARNING: CPU: 2 PID: 669 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) 
| [   58.734366][  T669] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   58.735681][  T669] Tainted: [W]=WARN
[   58.735915][  T669] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 58.736295][ T669] 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) 
[ 58.736631][ T669] 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
[   58.737667][  T669] RSP: 0018:ffffc90000c17140 EFLAGS: 00010246
[   58.738043][  T669] RAX: 0000000000000000 RBX: ffff88800b599000 RCX: 0000000000000001
[   58.738481][  T669] RDX: 0000000000000000 RSI: ffffffff8ae9b941 RDI: ffffffff8a6555e0
[   58.738938][  T669] RBP: ffffc90000c17230 R08: ffff88800a8ce800 R09: 0000000000000000
[   58.739389][  T669] R10: ffffc90000c175c8 R11: ffffffff8bc50668 R12: 1ffff92000182e2c
[   58.739850][  T669] R13: 00000000000005dc R14: ffffc90000c17880 R15: ffff88800b680060
[   58.740298][  T669] FS:  00007fce9de72800(0000) GS:ffff8880a93b7000(0000) knlGS:0000000000000000
[   58.740804][  T669] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.741173][  T669] CR2: 00000000004e5ab8 CR3: 000000000a9d6003 CR4: 0000000000772ef0
[   58.741633][  T669] PKRU: 55555554
[   58.741858][  T669] Call Trace:
[   58.742098][  T669]  <TASK>
[ 58.742255][ T669] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.742571][ T669] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 58.742872][ T669] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.743170][ T669] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 58.743478][ T669] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 58.743790][ T669] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 58.744094][ T669] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 58.744401][ T669] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 58.744791][ T669] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 58.745099][ T669] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 58.745392][ T669] ? __kernel_text_address (kernel/extable.c:79) 
[ 58.745700][ T669] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.745993][ T669] ? __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) 
[ 58.746287][ T669] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 58.746686][ T669] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.746994][ T669] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.747290][ T669] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 58.747604][ T669] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 58.747901][ T669] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.748203][ T669] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 58.748502][ T669] ? __create_object (mm/kmemleak.c:771) 
[ 58.748821][ T669] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 58.749120][ T669] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 58.749464][ T669] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 58.749851][ T669] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 58.750148][ T669] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 58.750444][ T669] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 58.750754][ T669] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.751055][ T669] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.751350][ T669] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 58.751649][ T669] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.751953][ T669] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 58.752257][ T669] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 58.752562][ T669] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 58.752861][ T669] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.753172][ T669] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 58.753465][ T669] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 58.753783][ T669] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 58.754095][ T669] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 58.754404][ T669] ? 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) 
[ 58.754725][ T669] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 58.755021][ T669] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 58.755317][ T669] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.755638][ T669] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 58.755948][ T669] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 58.756259][ T669] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 58.756595][ T669] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 58.756907][ T669] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 58.757215][ T669] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 58.757614][ T669] ___sys_sendmsg (net/socket.c:2670) 
[ 58.757903][ T669] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 58.758202][ T669] ? __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) 
[ 58.758580][ T669] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 58.758879][ T669] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.759175][ T669] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 58.759474][ T669] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 58.759790][ T669] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 58.760086][ T669] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 58.760388][ T669] __sys_sendmsg (net/socket.c:2700) 
[ 58.760682][ T669] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 58.761043][ T669] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 58.761351][ T669] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 58.761667][ T669] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 58.761968][ T669] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   58.762342][  T669] RIP: 0033:0x7fce9e03f1e7
[ 58.762658][ T669] 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)
[   58.763679][  T669] RSP: 002b:00007fff92cccad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   58.764124][  T669] RAX: ffffffffffffffda RBX: 00007fff92ccd200 RCX: 00007fce9e03f1e7
[   58.764575][  T669] RDX: 0000000000000000 RSI: 00007fff92cccb40 RDI: 0000000000000005
[   58.765004][  T669] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   58.765436][  T669] R10: 00007fce9df3cee8 R11: 0000000000000246 R12: 0000000000000004
[   58.765886][  T669] R13: 00000000686e49ee R14: 0000000000499600 R15: 0000000000000000
| [   60.014034][  T681] ------------[ cut here ]------------
| [ 60.014597][ T681] WARNING: CPU: 3 PID: 681 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) 
| [   60.015606][  T681] Modules linked in: sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth
| [   60.017740][  T681] Tainted: [W]=WARN
[   60.018127][  T681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 60.018762][ T681] 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) 
[ 60.019283][ T681] 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
[   60.021102][  T681] RSP: 0018:ffffc90000cc7140 EFLAGS: 00010246
[   60.021758][  T681] RAX: 0000000000000000 RBX: ffff88800279c000 RCX: 0000000000000001
[   60.022504][  T681] RDX: 0000000000000000 RSI: ffffffff8ae9b941 RDI: ffffffff8a6555e0
[   60.023268][  T681] RBP: ffffc90000cc7230 R08: ffff88800c895000 R09: 0000000000000000
[   60.024051][  T681] R10: ffffc90000cc75c8 R11: ffffffff8bc50668 R12: 1ffff92000198e2c
[   60.024813][  T681] R13: 00000000000005dc R14: ffffc90000cc7880 R15: ffff88800b681c60
[   60.025569][  T681] FS:  00007f4d60259800(0000) GS:ffff8880a9437000(0000) knlGS:0000000000000000
[   60.026441][  T681] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.027106][  T681] CR2: 00000000004e5aa0 CR3: 000000000c116001 CR4: 0000000000772ef0
[   60.027889][  T681] PKRU: 55555554
[   60.028262][  T681] Call Trace:
[   60.028635][  T681]  <TASK>
[ 60.028891][ T681] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.029396][ T681] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 60.029914][ T681] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.030412][ T681] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 60.030922][ T681] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 60.031422][ T681] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 60.031947][ T681] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 60.032454][ T681] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 60.033100][ T681] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 60.033612][ T681] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 60.034091][ T681] ? __kernel_text_address (kernel/extable.c:79) 
[ 60.034605][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.035091][ T681] ? __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) 
[ 60.035619][ T681] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 60.036258][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.036803][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.037299][ T681] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 60.037808][ T681] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 60.038316][ T681] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.038825][ T681] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 60.039306][ T681] ? __create_object (mm/kmemleak.c:771) 
[ 60.039837][ T681] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 60.040325][ T681] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 60.040838][ T681] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 60.041448][ T681] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 60.041967][ T681] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 60.042490][ T681] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.043004][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.043519][ T681] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.044046][ T681] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 60.044537][ T681] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.045067][ T681] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.045565][ T681] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 60.046078][ T681] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.046609][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.047121][ T681] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 60.047633][ T681] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.048137][ T681] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 60.048662][ T681] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 60.049164][ T681] ? 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) 
[ 60.049677][ T681] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 60.050184][ T681] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 60.050695][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.051201][ T681] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.051734][ T681] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 60.052246][ T681] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 60.052767][ T681] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.053277][ T681] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 60.053790][ T681] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 60.054422][ T681] ___sys_sendmsg (net/socket.c:2670) 
[ 60.054933][ T681] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 60.055319][ T681] ? __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) 
[ 60.055957][ T681] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 60.056463][ T681] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.056999][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.057448][ T681] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.057859][ T681] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 60.058311][ T681] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.058844][ T681] __sys_sendmsg (net/socket.c:2700) 
[ 60.059249][ T681] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 60.059771][ T681] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 60.060262][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.060748][ T681] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.061252][ T681] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   60.061863][  T681] RIP: 0033:0x7f4d604261e7
[ 60.062373][ T681] 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)
[   60.064153][  T681] RSP: 002b:00007ffcdaa0b048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   60.064922][  T681] RAX: ffffffffffffffda RBX: 00007ffcdaa0b770 RCX: 00007f4d604261e7
[   60.065671][  T681] RDX: 0000000000000000 RSI: 00007ffcdaa0b0b0 RDI: 0000000000000005
[   60.066405][  T681] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   60.067061][  T681] R10: 00007f4d60323ee8 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if
netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if