======================================
| # [  369.776126] veth1: entered promiscuous mode
| # [  369.779567] ------------[ cut here ]------------
| # [  369.779917] WARNING: CPU: 0 PID: 5250 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) 
| # [  369.780611] Modules linked in: bridge stp llc nft_nat nft_chain_nat nf_nat sctp_diag nft_limit tcp_diag inet_diag nfnetlink_queue nft_queue veth sctp ip6_udp_tunnel udp_tunnel nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_numgen nf_tables
# [  369.784167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# [  369.784576] 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) 
# [ 369.784930] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
# [  369.786244] RSP: 0018:ffffc9000145eef0 EFLAGS: 00010246
# [  369.786668] RAX: 0000000000000000 RBX: ffff88800b122000 RCX: 0000000000000001
# [  369.787171] RDX: 0000000000000000 RSI: ffffffffa2c9f52e RDI: ffffffffa245a5a0
# [  369.787666] RBP: ffffc9000145efe0 R08: 0000000000000000 R09: 0000000000000000
# [  369.788161] R10: ffffc9000145f010 R11: ffffffffa31798a0 R12: 1ffff9200028bde2
# [  369.788645] R13: 00000000000005dc R14: ffffc9000145f010 R15: ffff88800b122f08
# [  369.789147] FS:  00007effac3cc800(0000) GS:ffff8880914a7000(0000) knlGS:0000000000000000
# [  369.789717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
# [  369.790138] CR2: 00000000004e5aa8 CR3: 000000000a6c1001 CR4: 0000000000772ef0
# [  369.790630] PKRU: 55555554
# [  369.790875] Call Trace:
# [  369.791127]  <TASK>
# [  369.791299] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
# [  369.791635] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  369.791992] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  369.792323] netif_set_mtu (net/core/dev.c:9652) 
# [  369.792672] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
# [  369.793028] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
# [  369.793290] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
# [  369.793785] br_add_if (net/bridge/br_if.c:697) bridge 
# [  369.794178] do_set_master (net/core/rtnetlink.c:2948) 
# [  369.794511] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
# [  369.794861] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
# [  369.795288] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
# [  369.795632] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
# [  369.795982] ? __kernel_text_address (kernel/extable.c:79) 
# [  369.796329] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  369.796673] ? __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) 
# [  369.797015] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
# [  369.797443] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  369.797776] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  369.798146] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
# [  369.798475] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
# [  369.798810] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  369.799157] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
# [  369.799482] ? __create_object (mm/kmemleak.c:771) 
# [  369.799815] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
# [  369.800154] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
# [  369.800489] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# [  369.800893] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
# [  369.801242] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
# [  369.801571] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  369.801902] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  369.802244] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  369.802570] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
# [  369.802892] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  369.803230] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  369.803554] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
# [  369.803878] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  369.804227] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  369.804570] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
# [  369.804906] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  369.805301] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
# [  369.805647] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
# [  369.805998] ? 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) 
# [  369.806333] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
# [  369.806674] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
# [  369.807025] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
# [  369.807357] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
# [  369.807683] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
# [  369.808029] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
# [  369.808359] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
# [  369.808693] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
# [  369.809034] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
# [  369.809454] ___sys_sendmsg (net/socket.c:2670) 
# [  369.809776] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
# [  369.810115] ? __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) 
# [  369.810520] ? __pfx____sys_sendmsg (net/socket.c:2657) 
# [  369.810846] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  369.811183] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  369.811515] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  369.811848] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
# [  369.812195] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  369.812548] __sys_sendmsg (net/socket.c:2700) 
# [  369.812872] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
# [  369.813286] ? __pfx___sys_sendmsg (net/socket.c:2685) 
# [  369.813623] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  369.813964] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# [  369.814313] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# [  369.814728] RIP: 0033:0x7effac5991e7
# [ 369.815087] 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)
# [  369.816292] RSP: 002b:00007ffc421f7638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
# [  369.816796] RAX: ffffffffffffffda RBX: 00007ffc421f7d70 RCX: 00007effac5991e7
# [  369.817299] RDX: 0000000000000000 RSI: 00007ffc421f76a0 RDI: 0000000000000005
# [  369.817788] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
# [  369.818286] R10: 0000000025d49910 R11: 0000000000000246 R12: 0000000000000003
# [  369.818780] R13: 00000000686e1509 R14: 0000000000499600 R15: 0000000000000000
| # [  369.981506] ------------[ cut here ]------------
| # [  369.981877] WARNING: CPU: 2 PID: 5251 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) 
| # [  369.982561] Modules linked in: bridge stp llc nft_nat nft_chain_nat nf_nat sctp_diag nft_limit tcp_diag inet_diag nfnetlink_queue nft_queue veth sctp ip6_udp_tunnel udp_tunnel nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_numgen nf_tables
| # [  369.985405] Tainted: [W]=WARN
# [  369.985671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# [  369.986129] 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) 
# [ 369.986481] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
# [  369.987664] RSP: 0018:ffffc90000536ef0 EFLAGS: 00010246
# [  369.988116] RAX: 0000000000000000 RBX: ffff88800b122000 RCX: 0000000000000001
# [  369.988621] RDX: 0000000000000000 RSI: ffffffffa2c9f52e RDI: ffffffffa245a5a0
# [  369.989128] RBP: ffffc90000536fe0 R08: 0000000000000000 R09: 0000000000000000
# [  369.989658] R10: ffffc90000537010 R11: ffffffffa31798a0 R12: 1ffff920000a6de2
# [  369.990184] R13: 00000000000005dc R14: ffffc90000537010 R15: ffff88800b122f08
# [  369.990719] FS:  00007f188d561800(0000) GS:ffff8880915a7000(0000) knlGS:0000000000000000
# [  369.991335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
# [  369.991783] CR2: 00000000004e5ab0 CR3: 0000000004c5c006 CR4: 0000000000772ef0
# [  369.992321] PKRU: 55555554
# [  369.992589] Call Trace:
# [  369.992860]  <TASK>
# [  369.993057] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
# [  369.993401] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  369.993770] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  369.994149] netif_set_mtu (net/core/dev.c:9652) 
# [  369.994518] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
# [  369.994881] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
# [  369.995176] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
# [  369.995671] br_add_if (net/bridge/br_if.c:697) bridge 
# [  369.996117] do_set_master (net/core/rtnetlink.c:2948) 
# [  369.996464] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
# [  369.996824] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
# [  369.997290] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
# [  369.997630] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
# [  369.998010] ? __kernel_text_address (kernel/extable.c:79) 
# [  369.998357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  369.998698] ? __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) 
# [  369.999074] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
# [  369.999503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  369.999863] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  370.000224] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
# [  370.000570] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
# [  370.000910] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  370.001262] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
# [  370.001612] ? __create_object (mm/kmemleak.c:771) 
# [  370.001994] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
# [  370.002338] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
# [  370.002696] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# [  370.003142] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
# [  370.003487] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
# [  370.003844] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  370.004209] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  370.004576] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  370.004926] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
# [  370.005292] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  370.005645] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  370.006055] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
# [  370.006431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  370.006781] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  370.007147] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
# [  370.007509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  370.007872] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
# [  370.008258] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
# [  370.008602] ? 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) 
# [  370.008966] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
# [  370.009320] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
# [  370.009679] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
# [  370.010058] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
# [  370.010433] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
# [  370.010789] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
# [  370.011160] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
# [  370.011504] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
# [  370.011850] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
# [  370.012318] ___sys_sendmsg (net/socket.c:2670) 
# [  370.012665] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
# [  370.013030] ? __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) 
# [  370.013470] ? __pfx____sys_sendmsg (net/socket.c:2657) 
# [  370.013822] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  370.014201] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  370.014554] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  370.014913] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
# [  370.015269] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  370.015625] __sys_sendmsg (net/socket.c:2700) 
# [  370.015997] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
# [  370.016426] ? __pfx___sys_sendmsg (net/socket.c:2685) 
# [  370.016801] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  370.017166] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# [  370.017524] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# [  370.017971] RIP: 0033:0x7f188d72e1e7
# [ 370.018346] 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)
# [  370.019646] RSP: 002b:00007ffe3b24c4d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
# [  370.020187] RAX: ffffffffffffffda RBX: 00007ffe3b24cc10 RCX: 00007f188d72e1e7
# [  370.020732] RDX: 0000000000000000 RSI: 00007ffe3b24c540 RDI: 0000000000000005
# [  370.021264] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
# [  370.021775] R10: 0000000017b16910 R11: 0000000000000246 R12: 0000000000000003
# [  370.022334] R13: 00000000686e1509 R14: 0000000000499600 R15: 0000000000000000
| # [  370.192748] ------------[ cut here ]------------
| # [  370.193074] WARNING: CPU: 3 PID: 5252 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) 
| # [  370.193696] Modules linked in: bridge stp llc nft_nat nft_chain_nat nf_nat sctp_diag nft_limit tcp_diag inet_diag nfnetlink_queue nft_queue veth sctp ip6_udp_tunnel udp_tunnel nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_numgen nf_tables
| # [  370.195781] Tainted: [W]=WARN
# [  370.196041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# [  370.196433] 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) 
# [ 370.196754] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
# [  370.197888] RSP: 0018:ffffc90000536ef0 EFLAGS: 00010246
# [  370.198293] RAX: 0000000000000000 RBX: ffff88800b122000 RCX: 0000000000000001
# [  370.198763] RDX: 0000000000000000 RSI: ffffffffa2c9f52e RDI: ffffffffa245a5a0
# [  370.199243] RBP: ffffc90000536fe0 R08: 0000000000000000 R09: 0000000000000000
# [  370.199719] R10: ffffc90000537010 R11: ffffffffa3ab19b8 R12: 1ffff920000a6de2
# [  370.200198] R13: 00000000000005dc R14: ffffc90000537010 R15: ffff88800b122f08
# [  370.200685] FS:  00007f987ff0a800(0000) GS:ffff888091627000(0000) knlGS:0000000000000000
# [  370.201246] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
# [  370.201646] CR2: 00000000004e5ab8 CR3: 000000000a6c1001 CR4: 0000000000772ef0
# [  370.202124] PKRU: 55555554
# [  370.202359] Call Trace:
# [  370.202593]  <TASK>
# [  370.202756] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
# [  370.203078] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  370.203401] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
# [  370.203720] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# [  370.204119] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
# [  370.204435] netif_set_mtu (net/core/dev.c:9652) 
# [  370.204749] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
# [  370.205082] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
# [  370.205536] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
# [  370.205775] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
# [  370.206234] br_add_if (net/bridge/br_if.c:697) bridge 
# [  370.206596] do_set_master (net/core/rtnetlink.c:2948) 
# [  370.206912] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
# [  370.207248] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
# [  370.207649] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
# [  370.207974] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
# [  370.208292] ? __kernel_text_address (kernel/extable.c:79) 
# [  370.208609] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  370.208924] ? __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) 
# [  370.209246] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
# [  370.209632] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  370.209956] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  370.210274] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
# [  370.210584] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
# [  370.210895] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  370.211216] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
# [  370.211527] ? __create_object (mm/kmemleak.c:771) 
# [  370.211839] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
# [  370.212169] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
# [  370.212486] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# [  370.212880] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
# [  370.213209] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
# [  370.213544] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  370.213861] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  370.214391] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  370.214910] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
# [  370.215478] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  370.216037] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  370.216598] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
# [  370.217162] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  370.217725] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  370.218842] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
# [  370.219404] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  370.219990] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
# [  370.220570] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
# [  370.221125] ? 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) 
# [  370.221688] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
# [  370.222274] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
# [  370.222865] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
# [  370.223452] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
# [  370.224031] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
# [  370.224595] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
# [  370.225202] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
# [  370.225778] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
# [  370.226382] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
# [  370.227131] ___sys_sendmsg (net/socket.c:2670) 
# [  370.227695] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
# [  370.228254] ? __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) 
# [  370.228888] ? __pfx____sys_sendmsg (net/socket.c:2657) 
# [  370.229486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  370.230071] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  370.230633] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  370.231203] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
# [  370.231755] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  370.232355] __sys_sendmsg (net/socket.c:2700) 
# [  370.232910] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
# [  370.233637] ? __pfx___sys_sendmsg (net/socket.c:2685) 
# [  370.234218] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  370.234763] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# [  370.235345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# [  370.236067] RIP: 0033:0x7f98800d71e7
# [ 370.236643] 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)
# [  370.238650] RSP: 002b:00007ffc434fed68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
# [  370.239523] RAX: ffffffffffffffda RBX: 00007ffc434ff4a0 RCX: 00007f98800d71e7
# [  370.240371] RDX: 0000000000000000 RSI: 00007ffc434fedd0 RDI: 0000000000000005
# [  370.241248] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
# [  370.242135] R10: 000000001660e910 R11: 0000000000000246 R12: 0000000000000003
# [  370.242990] R13: 00000000686e1509 R14: 0000000000499600 R15: 0000000000000000
| # [  371.710271] ------------[ cut here ]------------
| # [  371.710638] WARNING: CPU: 2 PID: 5261 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) 
| # [  371.711315] Modules linked in: macvlan bridge stp llc nft_nat nft_chain_nat nf_nat sctp_diag nft_limit tcp_diag inet_diag nfnetlink_queue nft_queue veth sctp ip6_udp_tunnel udp_tunnel nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_numgen nf_tables
| # [  371.713518] Tainted: [W]=WARN
# [  371.713781] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# [  371.714216] 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) 
# [ 371.714565] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
# [  371.715738] RSP: 0018:ffffc900005c6ef0 EFLAGS: 00010246
# [  371.716189] RAX: 0000000000000000 RBX: ffff88800b122000 RCX: 0000000000000001
# [  371.716690] RDX: 0000000000000000 RSI: ffffffffa2c9f52e RDI: ffffffffa245a5a0
# [  371.717223] RBP: ffffc900005c6fe0 R08: 0000000000000000 R09: 0000000000000000
# [  371.717725] R10: ffffc900005c7010 R11: ffffffffa3ab19b8 R12: 1ffff920000b8de2
# [  371.718343] R13: 00000000000005dc R14: ffffc900005c7010 R15: ffff88800b122f08
# [  371.718839] FS:  00007f91d1d84800(0000) GS:ffff8880915a7000(0000) knlGS:0000000000000000
# [  371.719444] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
# [  371.719877] CR2: 00000000004e5818 CR3: 0000000004dbc003 CR4: 0000000000772ef0
# [  371.720385] PKRU: 55555554
# [  371.720645] Call Trace:
# [  371.720901]  <TASK>
# [  371.721112] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
# [  371.721455] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  371.721803] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
# [  371.722156] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# [  371.722578] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
# [  371.722919] netif_set_mtu (net/core/dev.c:9652) 
# [  371.723267] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
# [  371.723616] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
# [  371.724098] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
# [  371.724363] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
# [  371.724820] br_add_if (net/bridge/br_if.c:697) bridge 
# [  371.725224] do_set_master (net/core/rtnetlink.c:2948) 
# [  371.725570] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
# [  371.725910] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
# [  371.726361] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
# [  371.726698] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
# [  371.727051] ? __kernel_text_address (kernel/extable.c:79) 
# [  371.727395] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  371.727736] ? __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) 
# [  371.728083] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
# [  371.728502] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  371.728844] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  371.729206] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
# [  371.729549] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
# [  371.729888] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  371.730236] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
# [  371.730570] ? __create_object (mm/kmemleak.c:771) 
# [  371.730908] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
# [  371.731257] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
# [  371.731598] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# [  371.732022] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
# [  371.732373] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
# [  371.732733] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  371.733106] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  371.733471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  371.733822] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
# [  371.734184] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  371.734538] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
# [  371.734890] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
# [  371.735257] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  371.735622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  371.736000] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
# [  371.736359] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
# [  371.736713] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
# [  371.737103] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
# [  371.737456] ? 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) 
# [  371.737815] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
# [  371.738183] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
# [  371.738545] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
# [  371.738902] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
# [  371.739266] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
# [  371.739627] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
# [  371.739996] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
# [  371.740357] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
# [  371.740715] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
# [  371.741185] ___sys_sendmsg (net/socket.c:2670) 
# [  371.741544] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
# [  371.741899] ? __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) 
# [  371.742350] ? __pfx____sys_sendmsg (net/socket.c:2657) 
# [  371.742708] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  371.743088] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
# [  371.743447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# [  371.743802] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
# [  371.744166] ? __lock_release (kernel/locking/lockdep.c:5539) 
# [  371.744536] __sys_sendmsg (net/socket.c:2700) 
# [  371.744884] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
# [  371.745339] ? __pfx___sys_sendmsg (net/socket.c:2685) 
# [  371.745720] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# [  371.746100] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# [  371.746461] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# [  371.746894] RIP: 0033:0x7f91d1f511e7
# [ 371.747270] 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)
# [  371.748500] RSP: 002b:00007ffe590afd18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
# [  371.749045] RAX: ffffffffffffffda RBX: 00007ffe590b0450 RCX: 00007f91d1f511e7
# [  371.749568] RDX: 0000000000000000 RSI: 00007ffe590afd80 RDI: 0000000000000005
# [  371.750102] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
# [  371.750631] R10: 00000000211e4910 R11: 0000000000000246 R12: 0000000000000003
# [  371.751162] R13: 00000000686e150b R14: 0000000000499600 R15: 0000000000000000
| [  369.776126][ T5250] veth1: entered promiscuous mode
| [  369.779567][ T5250] ------------[ cut here ]------------
| [ 369.779917][ T5250] WARNING: CPU: 0 PID: 5250 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) 
| [  369.780611][ T5250] Modules linked in: bridge stp llc nft_nat nft_chain_nat nf_nat sctp_diag nft_limit tcp_diag inet_diag nfnetlink_queue nft_queue veth sctp ip6_udp_tunnel udp_tunnel nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_numgen nf_tables
[  369.784167][ T5250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 369.784576][ T5250] 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) 
[ 369.784930][ T5250] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[  369.786244][ T5250] RSP: 0018:ffffc9000145eef0 EFLAGS: 00010246
[  369.786668][ T5250] RAX: 0000000000000000 RBX: ffff88800b122000 RCX: 0000000000000001
[  369.787171][ T5250] RDX: 0000000000000000 RSI: ffffffffa2c9f52e RDI: ffffffffa245a5a0
[  369.787666][ T5250] RBP: ffffc9000145efe0 R08: 0000000000000000 R09: 0000000000000000
[  369.788161][ T5250] R10: ffffc9000145f010 R11: ffffffffa31798a0 R12: 1ffff9200028bde2
[  369.788645][ T5250] R13: 00000000000005dc R14: ffffc9000145f010 R15: ffff88800b122f08
[  369.789147][ T5250] FS:  00007effac3cc800(0000) GS:ffff8880914a7000(0000) knlGS:0000000000000000
[  369.789717][ T5250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  369.790138][ T5250] CR2: 00000000004e5aa8 CR3: 000000000a6c1001 CR4: 0000000000772ef0
[  369.790630][ T5250] PKRU: 55555554
[  369.790875][ T5250] Call Trace:
[  369.791127][ T5250]  <TASK>
[ 369.791299][ T5250] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 369.791635][ T5250] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 369.791992][ T5250] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 369.792323][ T5250] netif_set_mtu (net/core/dev.c:9652) 
[ 369.792672][ T5250] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 369.793028][ T5250] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 369.793290][ T5250] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 369.793785][ T5250] br_add_if (net/bridge/br_if.c:697) bridge 
[ 369.794178][ T5250] do_set_master (net/core/rtnetlink.c:2948) 
[ 369.794511][ T5250] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 369.794861][ T5250] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 369.795288][ T5250] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 369.795632][ T5250] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 369.795982][ T5250] ? __kernel_text_address (kernel/extable.c:79) 
[ 369.796329][ T5250] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 369.796673][ T5250] ? __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) 
[ 369.797015][ T5250] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 369.797443][ T5250] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 369.797776][ T5250] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 369.798146][ T5250] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 369.798475][ T5250] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 369.798810][ T5250] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 369.799157][ T5250] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 369.799482][ T5250] ? __create_object (mm/kmemleak.c:771) 
[ 369.799815][ T5250] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 369.800154][ T5250] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 369.800489][ T5250] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 369.800893][ T5250] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 369.801242][ T5250] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 369.801571][ T5250] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 369.801902][ T5250] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 369.802244][ T5250] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 369.802570][ T5250] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 369.802892][ T5250] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 369.803230][ T5250] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 369.803554][ T5250] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 369.803878][ T5250] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 369.804227][ T5250] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 369.804570][ T5250] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 369.804906][ T5250] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 369.805301][ T5250] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 369.805647][ T5250] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 369.805998][ T5250] ? 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) 
[ 369.806333][ T5250] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 369.806674][ T5250] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 369.807025][ T5250] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 369.807357][ T5250] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 369.807683][ T5250] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 369.808029][ T5250] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 369.808359][ T5250] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 369.808693][ T5250] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 369.809034][ T5250] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 369.809454][ T5250] ___sys_sendmsg (net/socket.c:2670) 
[ 369.809776][ T5250] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 369.810115][ T5250] ? __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) 
[ 369.810520][ T5250] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 369.810846][ T5250] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 369.811183][ T5250] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 369.811515][ T5250] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 369.811848][ T5250] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 369.812195][ T5250] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 369.812548][ T5250] __sys_sendmsg (net/socket.c:2700) 
[ 369.812872][ T5250] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 369.813286][ T5250] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 369.813623][ T5250] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 369.813964][ T5250] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 369.814313][ T5250] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  369.814728][ T5250] RIP: 0033:0x7effac5991e7
[ 369.815087][ T5250] 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)
[  369.816292][ T5250] RSP: 002b:00007ffc421f7638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  369.816796][ T5250] RAX: ffffffffffffffda RBX: 00007ffc421f7d70 RCX: 00007effac5991e7
[  369.817299][ T5250] RDX: 0000000000000000 RSI: 00007ffc421f76a0 RDI: 0000000000000005
[  369.817788][ T5250] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  369.818286][ T5250] R10: 0000000025d49910 R11: 0000000000000246 R12: 0000000000000003
[  369.818780][ T5250] R13: 00000000686e1509 R14: 0000000000499600 R15: 0000000000000000
| [  369.981506][ T5251] ------------[ cut here ]------------
| [ 369.981877][ T5251] WARNING: CPU: 2 PID: 5251 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) 
| [  369.982561][ T5251] Modules linked in: bridge stp llc nft_nat nft_chain_nat nf_nat sctp_diag nft_limit tcp_diag inet_diag nfnetlink_queue nft_queue veth sctp ip6_udp_tunnel udp_tunnel nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_numgen nf_tables
| [  369.985405][ T5251] Tainted: [W]=WARN
[  369.985671][ T5251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 369.986129][ T5251] 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) 
[ 369.986481][ T5251] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[  369.987664][ T5251] RSP: 0018:ffffc90000536ef0 EFLAGS: 00010246
[  369.988116][ T5251] RAX: 0000000000000000 RBX: ffff88800b122000 RCX: 0000000000000001
[  369.988621][ T5251] RDX: 0000000000000000 RSI: ffffffffa2c9f52e RDI: ffffffffa245a5a0
[  369.989128][ T5251] RBP: ffffc90000536fe0 R08: 0000000000000000 R09: 0000000000000000
[  369.989658][ T5251] R10: ffffc90000537010 R11: ffffffffa31798a0 R12: 1ffff920000a6de2
[  369.990184][ T5251] R13: 00000000000005dc R14: ffffc90000537010 R15: ffff88800b122f08
[  369.990719][ T5251] FS:  00007f188d561800(0000) GS:ffff8880915a7000(0000) knlGS:0000000000000000
[  369.991335][ T5251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  369.991783][ T5251] CR2: 00000000004e5ab0 CR3: 0000000004c5c006 CR4: 0000000000772ef0
[  369.992321][ T5251] PKRU: 55555554
[  369.992589][ T5251] Call Trace:
[  369.992860][ T5251]  <TASK>
[ 369.993057][ T5251] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 369.993401][ T5251] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 369.993770][ T5251] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 369.994149][ T5251] netif_set_mtu (net/core/dev.c:9652) 
[ 369.994518][ T5251] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 369.994881][ T5251] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 369.995176][ T5251] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 369.995671][ T5251] br_add_if (net/bridge/br_if.c:697) bridge 
[ 369.996117][ T5251] do_set_master (net/core/rtnetlink.c:2948) 
[ 369.996464][ T5251] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 369.996824][ T5251] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 369.997290][ T5251] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 369.997630][ T5251] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 369.998010][ T5251] ? __kernel_text_address (kernel/extable.c:79) 
[ 369.998357][ T5251] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 369.998698][ T5251] ? __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) 
[ 369.999074][ T5251] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 369.999503][ T5251] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 369.999863][ T5251] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 370.000224][ T5251] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 370.000570][ T5251] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 370.000910][ T5251] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 370.001262][ T5251] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 370.001612][ T5251] ? __create_object (mm/kmemleak.c:771) 
[ 370.001994][ T5251] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 370.002338][ T5251] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 370.002696][ T5251] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 370.003142][ T5251] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 370.003487][ T5251] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 370.003844][ T5251] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 370.004209][ T5251] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 370.004576][ T5251] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 370.004926][ T5251] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 370.005292][ T5251] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 370.005645][ T5251] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 370.006055][ T5251] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 370.006431][ T5251] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 370.006781][ T5251] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 370.007147][ T5251] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 370.007509][ T5251] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 370.007872][ T5251] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 370.008258][ T5251] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 370.008602][ T5251] ? 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) 
[ 370.008966][ T5251] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 370.009320][ T5251] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 370.009679][ T5251] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 370.010058][ T5251] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 370.010433][ T5251] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 370.010789][ T5251] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 370.011160][ T5251] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 370.011504][ T5251] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 370.011850][ T5251] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 370.012318][ T5251] ___sys_sendmsg (net/socket.c:2670) 
[ 370.012665][ T5251] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 370.013030][ T5251] ? __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) 
[ 370.013470][ T5251] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 370.013822][ T5251] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 370.014201][ T5251] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 370.014554][ T5251] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 370.014913][ T5251] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 370.015269][ T5251] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 370.015625][ T5251] __sys_sendmsg (net/socket.c:2700) 
[ 370.015997][ T5251] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 370.016426][ T5251] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 370.016801][ T5251] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 370.017166][ T5251] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 370.017524][ T5251] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  370.017971][ T5251] RIP: 0033:0x7f188d72e1e7
[ 370.018346][ T5251] 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)
[  370.019646][ T5251] RSP: 002b:00007ffe3b24c4d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  370.020187][ T5251] RAX: ffffffffffffffda RBX: 00007ffe3b24cc10 RCX: 00007f188d72e1e7
[  370.020732][ T5251] RDX: 0000000000000000 RSI: 00007ffe3b24c540 RDI: 0000000000000005
[  370.021264][ T5251] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  370.021775][ T5251] R10: 0000000017b16910 R11: 0000000000000246 R12: 0000000000000003
[  370.022334][ T5251] R13: 00000000686e1509 R14: 0000000000499600 R15: 0000000000000000
| [  370.192748][ T5252] ------------[ cut here ]------------
| [ 370.193074][ T5252] WARNING: CPU: 3 PID: 5252 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) 
| [  370.193696][ T5252] Modules linked in: bridge stp llc nft_nat nft_chain_nat nf_nat sctp_diag nft_limit tcp_diag inet_diag nfnetlink_queue nft_queue veth sctp ip6_udp_tunnel udp_tunnel nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_numgen nf_tables
| [  370.195781][ T5252] Tainted: [W]=WARN
[  370.196041][ T5252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 370.196433][ T5252] 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) 
[ 370.196754][ T5252] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[  370.197888][ T5252] RSP: 0018:ffffc90000536ef0 EFLAGS: 00010246
[  370.198293][ T5252] RAX: 0000000000000000 RBX: ffff88800b122000 RCX: 0000000000000001
[  370.198763][ T5252] RDX: 0000000000000000 RSI: ffffffffa2c9f52e RDI: ffffffffa245a5a0
[  370.199243][ T5252] RBP: ffffc90000536fe0 R08: 0000000000000000 R09: 0000000000000000
[  370.199719][ T5252] R10: ffffc90000537010 R11: ffffffffa3ab19b8 R12: 1ffff920000a6de2
[  370.200198][ T5252] R13: 00000000000005dc R14: ffffc90000537010 R15: ffff88800b122f08
[  370.200685][ T5252] FS:  00007f987ff0a800(0000) GS:ffff888091627000(0000) knlGS:0000000000000000
[  370.201246][ T5252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  370.201646][ T5252] CR2: 00000000004e5ab8 CR3: 000000000a6c1001 CR4: 0000000000772ef0
[  370.202124][ T5252] PKRU: 55555554
[  370.202359][ T5252] Call Trace:
[  370.202593][ T5252]  <TASK>
[ 370.202756][ T5252] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 370.203078][ T5252] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 370.203401][ T5252] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 370.203720][ T5252] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 370.204119][ T5252] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 370.204435][ T5252] netif_set_mtu (net/core/dev.c:9652) 
[ 370.204749][ T5252] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 370.205082][ T5252] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 370.205536][ T5252] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 370.205775][ T5252] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 370.206234][ T5252] br_add_if (net/bridge/br_if.c:697) bridge 
[ 370.206596][ T5252] do_set_master (net/core/rtnetlink.c:2948) 
[ 370.206912][ T5252] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 370.207248][ T5252] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 370.207649][ T5252] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 370.207974][ T5252] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 370.208292][ T5252] ? __kernel_text_address (kernel/extable.c:79) 
[ 370.208609][ T5252] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 370.208924][ T5252] ? __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) 
[ 370.209246][ T5252] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 370.209632][ T5252] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 370.209956][ T5252] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 370.210274][ T5252] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 370.210584][ T5252] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 370.210895][ T5252] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 370.211216][ T5252] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 370.211527][ T5252] ? __create_object (mm/kmemleak.c:771) 
[ 370.211839][ T5252] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 370.212169][ T5252] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 370.212486][ T5252] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 370.212880][ T5252] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 370.213209][ T5252] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 370.213544][ T5252] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 370.213861][ T5252] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 370.214391][ T5252] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 370.214910][ T5252] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 370.215478][ T5252] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 370.216037][ T5252] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 370.216598][ T5252] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 370.217162][ T5252] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 370.217725][ T5252] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 370.218842][ T5252] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 370.219404][ T5252] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 370.219990][ T5252] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 370.220570][ T5252] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 370.221125][ T5252] ? 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) 
[ 370.221688][ T5252] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 370.222274][ T5252] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 370.222865][ T5252] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 370.223452][ T5252] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 370.224031][ T5252] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 370.224595][ T5252] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 370.225202][ T5252] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 370.225778][ T5252] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 370.226382][ T5252] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 370.227131][ T5252] ___sys_sendmsg (net/socket.c:2670) 
[ 370.227695][ T5252] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 370.228254][ T5252] ? __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) 
[ 370.228888][ T5252] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 370.229486][ T5252] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 370.230071][ T5252] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 370.230633][ T5252] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 370.231203][ T5252] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 370.231755][ T5252] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 370.232355][ T5252] __sys_sendmsg (net/socket.c:2700) 
[ 370.232910][ T5252] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 370.233637][ T5252] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 370.234218][ T5252] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 370.234763][ T5252] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 370.235345][ T5252] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  370.236067][ T5252] RIP: 0033:0x7f98800d71e7
[ 370.236643][ T5252] 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)
[  370.238650][ T5252] RSP: 002b:00007ffc434fed68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  370.239523][ T5252] RAX: ffffffffffffffda RBX: 00007ffc434ff4a0 RCX: 00007f98800d71e7
[  370.240371][ T5252] RDX: 0000000000000000 RSI: 00007ffc434fedd0 RDI: 0000000000000005
[  370.241248][ T5252] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  370.242135][ T5252] R10: 000000001660e910 R11: 0000000000000246 R12: 0000000000000003
[  370.242990][ T5252] R13: 00000000686e1509 R14: 0000000000499600 R15: 0000000000000000
| [  371.710271][ T5261] ------------[ cut here ]------------
| [ 371.710638][ T5261] WARNING: CPU: 2 PID: 5261 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) 
| [  371.711315][ T5261] Modules linked in: macvlan bridge stp llc nft_nat nft_chain_nat nf_nat sctp_diag nft_limit tcp_diag inet_diag nfnetlink_queue nft_queue veth sctp ip6_udp_tunnel udp_tunnel nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_numgen nf_tables
| [  371.713518][ T5261] Tainted: [W]=WARN
[  371.713781][ T5261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 371.714216][ T5261] 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) 
[ 371.714565][ T5261] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[  371.715738][ T5261] RSP: 0018:ffffc900005c6ef0 EFLAGS: 00010246
[  371.716189][ T5261] RAX: 0000000000000000 RBX: ffff88800b122000 RCX: 0000000000000001
[  371.716690][ T5261] RDX: 0000000000000000 RSI: ffffffffa2c9f52e RDI: ffffffffa245a5a0
[  371.717223][ T5261] RBP: ffffc900005c6fe0 R08: 0000000000000000 R09: 0000000000000000
[  371.717725][ T5261] R10: ffffc900005c7010 R11: ffffffffa3ab19b8 R12: 1ffff920000b8de2
[  371.718343][ T5261] R13: 00000000000005dc R14: ffffc900005c7010 R15: ffff88800b122f08
[  371.718839][ T5261] FS:  00007f91d1d84800(0000) GS:ffff8880915a7000(0000) knlGS:0000000000000000
[  371.719444][ T5261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  371.719877][ T5261] CR2: 00000000004e5818 CR3: 0000000004dbc003 CR4: 0000000000772ef0
[  371.720385][ T5261] PKRU: 55555554
[  371.720645][ T5261] Call Trace:
[  371.720901][ T5261]  <TASK>
[ 371.721112][ T5261] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 371.721455][ T5261] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 371.721803][ T5261] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 371.722156][ T5261] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 371.722578][ T5261] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 371.722919][ T5261] netif_set_mtu (net/core/dev.c:9652) 
[ 371.723267][ T5261] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 371.723616][ T5261] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 371.724098][ T5261] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 371.724363][ T5261] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 371.724820][ T5261] br_add_if (net/bridge/br_if.c:697) bridge 
[ 371.725224][ T5261] do_set_master (net/core/rtnetlink.c:2948) 
[ 371.725570][ T5261] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 371.725910][ T5261] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 371.726361][ T5261] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 371.726698][ T5261] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 371.727051][ T5261] ? __kernel_text_address (kernel/extable.c:79) 
[ 371.727395][ T5261] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 371.727736][ T5261] ? __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) 
[ 371.728083][ T5261] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 371.728502][ T5261] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 371.728844][ T5261] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 371.729206][ T5261] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 371.729549][ T5261] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 371.729888][ T5261] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 371.730236][ T5261] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 371.730570][ T5261] ? __create_object (mm/kmemleak.c:771) 
[ 371.730908][ T5261] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 371.731257][ T5261] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 371.731598][ T5261] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 371.732022][ T5261] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 371.732373][ T5261] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 371.732733][ T5261] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 371.733106][ T5261] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 371.733471][ T5261] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 371.733822][ T5261] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 371.734184][ T5261] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 371.734538][ T5261] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 371.734890][ T5261] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 371.735257][ T5261] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 371.735622][ T5261] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 371.736000][ T5261] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 371.736359][ T5261] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 371.736713][ T5261] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 371.737103][ T5261] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 371.737456][ T5261] ? 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) 
[ 371.737815][ T5261] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 371.738183][ T5261] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 371.738545][ T5261] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 371.738902][ T5261] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 371.739266][ T5261] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 371.739627][ T5261] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 371.739996][ T5261] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 371.740357][ T5261] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 371.740715][ T5261] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 371.741185][ T5261] ___sys_sendmsg (net/socket.c:2670) 
[ 371.741544][ T5261] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 371.741899][ T5261] ? __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) 
[ 371.742350][ T5261] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 371.742708][ T5261] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 371.743088][ T5261] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 371.743447][ T5261] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 371.743802][ T5261] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 371.744166][ T5261] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 371.744536][ T5261] __sys_sendmsg (net/socket.c:2700) 
[ 371.744884][ T5261] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 371.745339][ T5261] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 371.745720][ T5261] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 371.746100][ T5261] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 371.746461][ T5261] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  371.746894][ T5261] RIP: 0033:0x7f91d1f511e7
[ 371.747270][ T5261] 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)
[  371.748500][ T5261] RSP: 002b:00007ffe590afd18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  371.749045][ T5261] RAX: ffffffffffffffda RBX: 00007ffe590b0450 RCX: 00007f91d1f511e7
[  371.749568][ T5261] RDX: 0000000000000000 RSI: 00007ffe590afd80 RDI: 0000000000000005
[  371.750102][ T5261] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  371.750631][ T5261] R10: 00000000211e4910 R11: 0000000000000246 R12: 0000000000000003


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