======================================
| [   84.890811][ T1036] ip_gre: GRE over IPv4 tunneling driver
| [   84.933941][ T1035] ------------[ cut here ]------------
| [ 84.934378][ T1035] WARNING: CPU: 1 PID: 1035 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) 
| [   84.935039][ T1035] Modules linked in: ip_gre gre cls_u32 sch_htb
[   84.936037][ T1035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 84.936413][ T1035] 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) 
[ 84.936715][ T1035] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   84.937745][ T1035] RSP: 0018:ffffc900007778e0 EFLAGS: 00010246
[   84.938106][ T1035] RAX: 0000000000000000 RBX: ffff888009114000 RCX: 0000000000000001
[   84.938547][ T1035] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[   84.938975][ T1035] RBP: ffffc900007779c8 R08: ffff888009114218 R09: 0000000000000000
[   84.939408][ T1035] R10: ffffc900007779f8 R11: ffffffffaaf8d1e0 R12: 1ffff920000eef20
[   84.939840][ T1035] R13: 00000000000005c4 R14: ffffc900007779f8 R15: ffffffffadafeb80
[   84.940282][ T1035] FS:  00007f37ef163800(0000) GS:ffff8880c0419000(0000) knlGS:0000000000000000
[   84.940780][ T1035] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   84.941140][ T1035] CR2: 00007f5aad17a000 CR3: 000000000f17c004 CR4: 0000000000772ef0
[   84.941578][ T1035] PKRU: 55555554
[   84.941798][ T1035] Call Trace:
[   84.942012][ T1035]  <TASK>
[ 84.942162][ T1035] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 84.942529][ T1035] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 84.942825][ T1035] ? rtmsg_ifinfo (net/core/rtnetlink.c:4445 net/core/rtnetlink.c:4443) 
[ 84.943116][ T1035] netif_set_mtu (net/core/dev.c:9652) 
[ 84.943415][ T1035] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 84.943710][ T1035] ? cap_capable (security/commoncap.c:132) 
[ 84.943999][ T1035] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 84.944214][ T1035] ip_tunnel_ctl (net/ipv4/ip_tunnel.c:344 net/ipv4/ip_tunnel.c:944) 
[ 84.944515][ T1035] ipgre_tunnel_ctl (net/ipv4/ip_gre.c:839) ip_gre 
[ 84.944804][ T1035] ip_tunnel_siocdevprivate (net/ipv4/ip_tunnel.c:1061) 
[ 84.945087][ T1035] ? __pfx_ip_tunnel_siocdevprivate (net/ipv4/ip_tunnel.c:1055) 
[ 84.945450][ T1035] ? __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) 
[ 84.945738][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 84.946038][ T1035] dev_ifsioc (net/core/dev_ioctl.c:521 net/core/dev_ioctl.c:633) 
[ 84.946336][ T1035] ? __pfx_dev_ifsioc (net/core/dev_ioctl.c:553) 
[ 84.946623][ T1035] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 84.946911][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 84.947194][ T1035] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 84.947489][ T1035] ? cap_capable (security/commoncap.c:132) 
[ 84.947776][ T1035] ? trace_cap_capable (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:638 ./include/linux/cpumask.h:1197 ./include/trace/events/capability.h:26) 
[ 84.948065][ T1035] dev_ioctl (net/core/dev_ioctl.c:851) 
[ 84.948294][ T1035] sock_ioctl (net/socket.c:1284) 
[ 84.948510][ T1035] ? __pfx_sock_ioctl (net/socket.c:1266) 
[ 84.948796][ T1035] ? fd_install (./arch/x86/include/asm/preempt.h:104 ./include/linux/rcupdate.h:955 fs/file.c:661) 
[ 84.949084][ T1035] ? __pfx___sys_socket (net/socket.c:1727) 
[ 84.949380][ T1035] __x64_sys_ioctl (fs/ioctl.c:52 fs/ioctl.c:907 fs/ioctl.c:893 fs/ioctl.c:893) 
[ 84.949665][ T1035] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 84.949950][ T1035] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   84.950310][ T1035] RIP: 0033:0x7f37ef323e4b
[ 84.950610][ T1035] Code: Unable to access opcode bytes at 0x7f37ef323e21.

Code starting with the faulting instruction
===========================================
[   84.950981][ T1035] RSP: 002b:00007fffbf7eaf98 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[   84.951426][ T1035] RAX: ffffffffffffffda RBX: 00000000000089f1 RCX: 00007f37ef323e4b
[   84.951854][ T1035] RDX: 00007fffbf7eafa0 RSI: 00000000000089f1 RDI: 0000000000000006
[   84.952291][ T1035] RBP: 0000000000000006 R08: 0000000000000001 R09: 0000000000000000
[   84.952725][ T1035] R10: 00007f37ef231d70 R11: 0000000000000202 R12: 00007fffbf7eb1f0
[   84.953153][ T1035] R13: 00007fffbf7eafa0 R14: 00007fffbf7eb9b7 R15: 0000000000000000
| [   87.677717][ T1076] ------------[ cut here ]------------
| [ 87.678174][ T1076] WARNING: CPU: 0 PID: 1076 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) 
| [   87.678799][ T1076] Modules linked in: ip_gre gre cls_u32 sch_htb
| [   87.680027][ T1076] Tainted: [W]=WARN
[   87.680281][ T1076] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 87.680712][ T1076] 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) 
[ 87.681029][ T1076] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   87.682150][ T1076] RSP: 0018:ffffc900006f7000 EFLAGS: 00010246
[   87.682545][ T1076] RAX: 0000000000000000 RBX: ffff888004f24000 RCX: 0000000000000001
[   87.683008][ T1076] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[   87.683476][ T1076] RBP: ffffc900006f70e8 R08: ffff888004f24218 R09: 0000000000000000
[   87.683937][ T1076] R10: ffffc900006f7118 R11: ffffffffaaf8d1e0 R12: 1ffff920000dee04
[   87.684402][ T1076] R13: 00000000000005ae R14: ffffc900006f7118 R15: ffff888004f24218
[   87.684868][ T1076] FS:  00007f108a812800(0000) GS:ffff8880c0399000(0000) knlGS:0000000000000000
[   87.685415][ T1076] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   87.685802][ T1076] CR2: 00000000004200f0 CR3: 000000000f7a2004 CR4: 0000000000772ef0
[   87.686287][ T1076] PKRU: 55555554
[   87.686518][ T1076] Call Trace:
[   87.686747][ T1076]  <TASK>
[ 87.686905][ T1076] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 87.687301][ T1076] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 87.687611][ T1076] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 87.687921][ T1076] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 87.688237][ T1076] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 87.688557][ T1076] netif_set_mtu (net/core/dev.c:9652) 
[ 87.688868][ T1076] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 87.689186][ T1076] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 87.689526][ T1076] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 87.689759][ T1076] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 87.690065][ T1076] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 87.690389][ T1076] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 87.690701][ T1076] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 87.691082][ T1076] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 87.691407][ T1076] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 87.691724][ T1076] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 87.692034][ T1076] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 87.692347][ T1076] ? __dev_get_by_name (net/core/dev.c:865) 
[ 87.692654][ T1076] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 87.692958][ T1076] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 87.693277][ T1076] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 87.693582][ T1076] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 87.693894][ T1076] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 87.694216][ T1076] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 87.694537][ T1076] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 87.694855][ T1076] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 87.695160][ T1076] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 87.695477][ T1076] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 87.695785][ T1076] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 87.696101][ T1076] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 87.696423][ T1076] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 87.696735][ T1076] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 87.697042][ T1076] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 87.697358][ T1076] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 87.697677][ T1076] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 87.697981][ T1076] ? 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) 
[ 87.698306][ T1076] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 87.698620][ T1076] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 87.698923][ T1076] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 87.699243][ T1076] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 87.699553][ T1076] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 87.699860][ T1076] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 87.700173][ T1076] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 87.700490][ T1076] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 87.700795][ T1076] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 87.701191][ T1076] ___sys_sendmsg (net/socket.c:2670) 
[ 87.701508][ T1076] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 87.701816][ T1076] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 87.702126][ T1076] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 87.702370][ T1076] ? __handle_mm_fault (mm/memory.c:6212) 
[ 87.702678][ T1076] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 87.702984][ T1076] ? mt_find (lib/maple_tree.c:6938) 
[ 87.703241][ T1076] __sys_sendmsg (net/socket.c:2700) 
[ 87.703549][ T1076] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 87.703852][ T1076] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 87.704165][ T1076] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 87.704482][ T1076] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 87.704793][ T1076] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 87.705101][ T1076] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   87.705498][ T1076] RIP: 0033:0x7f108a9df1e7
[ 87.705812][ T1076] 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)
[   87.706927][ T1076] RSP: 002b:00007fffc5440b68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   87.707404][ T1076] RAX: ffffffffffffffda RBX: 00007fffc54412a0 RCX: 00007f108a9df1e7
[   87.707864][ T1076] RDX: 0000000000000000 RSI: 00007fffc5440bd0 RDI: 0000000000000005
[   87.708331][ T1076] RBP: 0000000000000007 R08: 00000000000000b4 R09: 0000000000000000
[   87.708790][ T1076] R10: 00007f108a8d76f8 R11: 0000000000000246 R12: 00007fffc54412c0
[   87.709258][ T1076] R13: 00000000686e522d R14: 0000000000499600 R15: 00007fffc5440cc0
| [   88.299535][ T1084] ------------[ cut here ]------------
| [ 88.299956][ T1084] WARNING: CPU: 2 PID: 1084 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) 
| [   88.301277][ T1084] Modules linked in: ip_gre gre cls_u32 sch_htb
| [   88.302405][ T1084] Tainted: [W]=WARN
[   88.302669][ T1084] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 88.303095][ T1084] 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) 
[ 88.303477][ T1084] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   88.304687][ T1084] RSP: 0018:ffffc90000707000 EFLAGS: 00010246
[   88.305113][ T1084] RAX: 0000000000000000 RBX: ffff8880099b9000 RCX: 0000000000000001
[   88.305626][ T1084] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[   88.306151][ T1084] RBP: ffffc900007070e8 R08: ffff8880099b9218 R09: 0000000000000000
[   88.306685][ T1084] R10: ffffc90000707118 R11: 0a3f8056511143e4 R12: 1ffff920000e0e04
[   88.307209][ T1084] R13: 00000000000005b6 R14: ffffc90000707118 R15: ffff8880099b9218
[   88.307730][ T1084] FS:  00007fd0792cb800(0000) GS:ffff8880c0499000(0000) knlGS:0000000000000000
[   88.308327][ T1084] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.308763][ T1084] CR2: 0000000000436890 CR3: 000000000c861004 CR4: 0000000000772ef0
[   88.309279][ T1084] PKRU: 55555554
[   88.309539][ T1084] Call Trace:
[   88.309796][ T1084]  <TASK>
[ 88.309977][ T1084] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 88.310336][ T1084] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 88.310666][ T1084] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 88.310990][ T1084] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 88.311352][ T1084] netif_set_mtu (net/core/dev.c:9652) 
[ 88.311680][ T1084] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 88.312016][ T1084] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 88.312354][ T1084] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 88.312605][ T1084] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 88.312933][ T1084] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 88.313268][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 88.313605][ T1084] ipgre_newlink (net/ipv4/ip_gre.c:1415 (discriminator 4)) ip_gre 
[ 88.313932][ T1084] ? __pfx_ipgre_newlink (net/ipv4/ip_gre.c:1401) ip_gre 
[ 88.314341][ T1084] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 88.314678][ T1084] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 88.315010][ T1084] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 88.315373][ T1084] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 88.315704][ T1084] ? __dev_get_by_name (net/core/dev.c:865) 
[ 88.316081][ T1084] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 88.316439][ T1084] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 88.316779][ T1084] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 88.317117][ T1084] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 88.317458][ T1084] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 88.317798][ T1084] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 88.318124][ T1084] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 88.318473][ T1084] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 88.318805][ T1084] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 88.319133][ T1084] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 88.319477][ T1084] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 88.319809][ T1084] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 88.320138][ T1084] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 88.320481][ T1084] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 88.320808][ T1084] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 88.321141][ T1084] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 88.321484][ T1084] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 88.321821][ T1084] ? 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) 
[ 88.322148][ T1084] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 88.322487][ T1084] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 88.322811][ T1084] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 88.323141][ T1084] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 88.323497][ T1084] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 88.323826][ T1084] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 88.324157][ T1084] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 88.324494][ T1084] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 88.324821][ T1084] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 88.325261][ T1084] ___sys_sendmsg (net/socket.c:2670) 
[ 88.325587][ T1084] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 88.325953][ T1084] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 88.326304][ T1084] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 88.326643][ T1084] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 88.326978][ T1084] ? __handle_mm_fault (mm/memory.c:6212) 
[ 88.327342][ T1084] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 88.327676][ T1084] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 88.328028][ T1084] __sys_sendmsg (net/socket.c:2700) 
[ 88.328366][ T1084] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 88.328701][ T1084] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 88.329032][ T1084] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 88.329374][ T1084] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 88.329706][ T1084] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 88.330031][ T1084] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   88.330443][ T1084] RIP: 0033:0x7fd0794981e7
[ 88.330786][ T1084] 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)
[   88.331923][ T1084] RSP: 002b:00007ffe9c8f7608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   88.332426][ T1084] RAX: ffffffffffffffda RBX: 00007ffe9c8f7d40 RCX: 00007fd0794981e7
[   88.332910][ T1084] RDX: 0000000000000000 RSI: 00007ffe9c8f7670 RDI: 0000000000000005
[   88.333399][ T1084] RBP: 0000000000000001 R08: 0000000000000048 R09: 0000000000000000
[   88.333882][ T1084] R10: 00007fd0793906f8 R11: 0000000000000246 R12: 00007ffe9c8f7d60
[   88.334373][ T1084] R13: 00000000686e522d R14: 0000000000499600 R15: 00007ffe9c8f7760
| [   92.884768][ T1130] ------------[ cut here ]------------
| [ 92.885286][ T1130] WARNING: CPU: 0 PID: 1130 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) 
| [   92.885944][ T1130] Modules linked in: ip6_gre ip_gre gre cls_u32 sch_htb
| [   92.887017][ T1130] Tainted: [W]=WARN
[   92.887290][ T1130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 92.887686][ T1130] 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) 
[ 92.888021][ T1130] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   92.889165][ T1130] RSP: 0018:ffffc900006a7000 EFLAGS: 00010246
[   92.889588][ T1130] RAX: 0000000000000000 RBX: ffff88800f474000 RCX: 0000000000000001
[   92.890068][ T1130] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[   92.890555][ T1130] RBP: ffffc900006a70e8 R08: ffff88800f474218 R09: 0000000000000000
[   92.891029][ T1130] R10: ffffc900006a7118 R11: ffffffffaaf8d1e0 R12: 1ffff920000d4e04
[   92.891520][ T1130] R13: 00000000000005aa R14: ffffc900006a7118 R15: ffff88800f474218
[   92.892001][ T1130] FS:  00007f42557d4800(0000) GS:ffff8880c0399000(0000) knlGS:0000000000000000
[   92.892569][ T1130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.892971][ T1130] CR2: 00000000004200f0 CR3: 000000000604e006 CR4: 0000000000772ef0
[   92.893481][ T1130] PKRU: 55555554
[   92.893724][ T1130] Call Trace:
[   92.893962][ T1130]  <TASK>
[ 92.894123][ T1130] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 92.894684][ T1130] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 92.895010][ T1130] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 92.895415][ T1130] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 92.895740][ T1130] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 92.896076][ T1130] netif_set_mtu (net/core/dev.c:9652) 
[ 92.896406][ T1130] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 92.896735][ T1130] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 92.897055][ T1130] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 92.897322][ T1130] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 92.897640][ T1130] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 92.897959][ T1130] ? ipgre_netlink_parms (net/ipv4/ip_gre.c:1197) ip_gre 
[ 92.898373][ T1130] erspan_newlink (net/ipv4/ip_gre.c:1436 (discriminator 4)) ip_gre 
[ 92.898705][ T1130] ? __pfx_erspan_newlink (net/ipv4/ip_gre.c:1422) ip_gre 
[ 92.899099][ T1130] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 92.899438][ T1130] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 92.899761][ T1130] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 92.900078][ T1130] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 92.900405][ T1130] ? __dev_get_by_name (net/core/dev.c:865) 
[ 92.900720][ T1130] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 92.901040][ T1130] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 92.901385][ T1130] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 92.901698][ T1130] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 92.902017][ T1130] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 92.902355][ T1130] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 92.902675][ T1130] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 92.903002][ T1130] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 92.903329][ T1130] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 92.903654][ T1130] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 92.903967][ T1130] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 92.904294][ T1130] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 92.904614][ T1130] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 92.904932][ T1130] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 92.905279][ T1130] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 92.905601][ T1130] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 92.905944][ T1130] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 92.906270][ T1130] ? 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) 
[ 92.906587][ T1130] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 92.906902][ T1130] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 92.907210][ T1130] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 92.907541][ T1130] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 92.907868][ T1130] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 92.908188][ T1130] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 92.908525][ T1130] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 92.908843][ T1130] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 92.909156][ T1130] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 92.909586][ T1130] ___sys_sendmsg (net/socket.c:2670) 
[ 92.909904][ T1130] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 92.910220][ T1130] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 92.910563][ T1130] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 92.910805][ T1130] ? __handle_mm_fault (mm/memory.c:6212) 
[ 92.911118][ T1130] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 92.911442][ T1130] ? mt_find (lib/maple_tree.c:6938) 
[ 92.911707][ T1130] __sys_sendmsg (net/socket.c:2700) 
[ 92.912020][ T1130] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 92.912342][ T1130] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 92.912672][ T1130] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 92.912990][ T1130] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 92.913333][ T1130] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 92.913651][ T1130] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   92.914039][ T1130] RIP: 0033:0x7f42559a11e7
[ 92.914374][ T1130] 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)
[   92.915507][ T1130] RSP: 002b:00007ffc868220c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   92.916002][ T1130] RAX: ffffffffffffffda RBX: 00007ffc86822800 RCX: 00007f42559a11e7
[   92.916479][ T1130] RDX: 0000000000000000 RSI: 00007ffc86822130 RDI: 0000000000000005
[   92.916961][ T1130] RBP: 000000000000000b R08: 00000000000000c4 R09: 0000000000000000
[   92.917452][ T1130] R10: 00007f42558996f8 R11: 0000000000000246 R12: 00007ffc86822820
[   92.917921][ T1130] R13: 00000000686e5232 R14: 0000000000499600 R15: 00007ffc86822220
| [   93.686832][ T1138] ------------[ cut here ]------------
| [ 93.687436][ T1138] WARNING: CPU: 2 PID: 1138 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) 
| [   93.688145][ T1138] Modules linked in: ip6_gre ip_gre gre cls_u32 sch_htb
| [   93.689374][ T1138] Tainted: [W]=WARN
[   93.689661][ T1138] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.690107][ T1138] 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) 
[ 93.690496][ T1138] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   93.691746][ T1138] RSP: 0018:ffffc90000707000 EFLAGS: 00010246
[   93.692204][ T1138] RAX: 0000000000000000 RBX: ffff88800c989000 RCX: 0000000000000001
[   93.692738][ T1138] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[   93.693282][ T1138] RBP: ffffc900007070e8 R08: ffff88800c989218 R09: 0000000000000000
[   93.693823][ T1138] R10: ffffc90000707118 R11: ffffffffaaf8d1e0 R12: 1ffff920000e0e04
[   93.694357][ T1138] R13: 00000000000005a6 R14: ffffc90000707118 R15: ffff88800c989218
[   93.694885][ T1138] FS:  00007fb135324800(0000) GS:ffff8880c0499000(0000) knlGS:0000000000000000
[   93.695521][ T1138] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.696037][ T1138] CR2: 00000000004200f0 CR3: 0000000010904006 CR4: 0000000000772ef0
[   93.696585][ T1138] PKRU: 55555554
[   93.696862][ T1138] Call Trace:
[   93.697136][ T1138]  <TASK>
[ 93.697333][ T1138] ? __pfx_ip_route_output_key_hash (net/ipv4/route.c:2684) 
[ 93.697781][ T1138] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 93.698144][ T1138] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 93.698516][ T1138] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 93.698879][ T1138] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 93.699278][ T1138] netif_set_mtu (net/core/dev.c:9652) 
[ 93.699643][ T1138] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 93.700010][ T1138] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 93.700378][ T1138] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 93.700656][ T1138] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 93.701017][ T1138] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 93.701390][ T1138] ? ipgre_netlink_parms (net/ipv4/ip_gre.c:1197) ip_gre 
[ 93.701824][ T1138] erspan_newlink (net/ipv4/ip_gre.c:1436 (discriminator 4)) ip_gre 
[ 93.702173][ T1138] ? __pfx_erspan_newlink (net/ipv4/ip_gre.c:1422) ip_gre 
[ 93.702617][ T1138] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 93.702979][ T1138] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 93.703359][ T1138] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 93.703717][ T1138] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 93.704105][ T1138] ? __dev_get_by_name (net/core/dev.c:865) 
[ 93.704473][ T1138] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 93.704824][ T1138] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 93.705178][ T1138] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 93.705537][ T1138] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 93.705937][ T1138] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 93.706315][ T1138] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 93.706682][ T1138] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 93.707059][ T1138] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 93.707453][ T1138] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 93.707825][ T1138] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 93.708185][ T1138] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 93.708567][ T1138] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 93.708937][ T1138] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.709315][ T1138] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 93.709681][ T1138] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 93.710040][ T1138] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 93.710428][ T1138] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 93.710795][ T1138] ? 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) 
[ 93.711161][ T1138] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 93.711559][ T1138] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 93.711933][ T1138] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 93.712318][ T1138] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 93.712678][ T1138] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 93.713030][ T1138] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 93.713407][ T1138] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 93.713768][ T1138] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 93.714142][ T1138] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 93.714629][ T1138] ___sys_sendmsg (net/socket.c:2670) 
[ 93.715065][ T1138] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 93.715453][ T1138] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 93.715850][ T1138] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) 
[ 93.716137][ T1138] ? __handle_mm_fault (mm/memory.c:6212) 
[ 93.716514][ T1138] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 93.716871][ T1138] ? mt_find (lib/maple_tree.c:6938) 
[ 93.717163][ T1138] __sys_sendmsg (net/socket.c:2700) 
[ 93.717550][ T1138] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 93.717911][ T1138] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 93.718286][ T1138] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) 
[ 93.718650][ T1138] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 93.719016][ T1138] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 93.719418][ T1138] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   93.719905][ T1138] RIP: 0033:0x7fb1354f11e7
[ 93.720292][ T1138] 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)
[   93.721524][ T1138] RSP: 002b:00007ffff7b328a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   93.722052][ T1138] RAX: ffffffffffffffda RBX: 00007ffff7b32fe0 RCX: 00007fb1354f11e7
[   93.722599][ T1138] RDX: 0000000000000000 RSI: 00007ffff7b32910 RDI: 0000000000000005
[   93.723121][ T1138] RBP: 000000000000000d R08: 00000000000000cc R09: 0000000000000000
[   93.723676][ T1138] R10: 00007fb1353e96f8 R11: 0000000000000246 R12: 00007ffff7b33000
[   93.724204][ T1138] R13: 00000000686e5233 R14: 0000000000499600 R15: 00007ffff7b32a00
| [   94.432087][ T1146] ------------[ cut here ]------------
| [ 94.433006][ T1146] WARNING: CPU: 0 PID: 1146 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) 
| [   94.433943][ T1146] Modules linked in: ip6_gre ip_gre gre cls_u32 sch_htb
| [   94.435075][ T1146] Tainted: [W]=WARN
[   94.435375][ T1146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 94.435791][ T1146] 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) 
[ 94.436168][ T1146] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   94.437420][ T1146] RSP: 0018:ffffc900007e7000 EFLAGS: 00010246
[   94.438086][ T1146] RAX: 0000000000000000 RBX: ffff888011c0c000 RCX: 0000000000000001
[   94.438775][ T1146] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[   94.439300][ T1146] RBP: ffffc900007e70e8 R08: ffff888011c0c218 R09: 0000000000000000
[   94.440008][ T1146] R10: ffffc900007e7118 R11: 219d52c657ff2ad2 R12: 1ffff920000fce04
[   94.440772][ T1146] R13: 00000000000005aa R14: ffffc900007e7118 R15: ffff888011c0c218
[   94.441554][ T1146] FS:  00007f2ce5f16800(0000) GS:ffff8880c0399000(0000) knlGS:0000000000000000
[   94.442684][ T1146] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.443360][ T1146] CR2: 0000000000436890 CR3: 0000000010872001 CR4: 0000000000772ef0
[   94.444116][ T1146] PKRU: 55555554
[   94.444505][ T1146] Call Trace:
[   94.444886][ T1146]  <TASK>
[ 94.445136][ T1146] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 94.445732][ T1146] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 94.446129][ T1146] ? crng_make_state (drivers/char/random.c:393 (discriminator 1)) 
[ 94.446464][ T1146] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 94.446791][ T1146] netif_set_mtu (net/core/dev.c:9652) 
[ 94.447102][ T1146] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 94.447440][ T1146] ? dev_addr_mod (net/core/dev_addr_lists.c:584) 
[ 94.447762][ T1146] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 94.447998][ T1146] ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1246) 
[ 94.448333][ T1146] ? __pfx_ip_tunnel_newlink (net/ipv4/ip_tunnel.c:1209) 
[ 94.448646][ T1146] ? ipgre_netlink_parms (net/ipv4/ip_gre.c:1181) ip_gre 
[ 94.449044][ T1146] erspan_newlink (net/ipv4/ip_gre.c:1436 (discriminator 4)) ip_gre 
[ 94.449381][ T1146] ? __pfx_erspan_newlink (net/ipv4/ip_gre.c:1422) ip_gre 
[ 94.449769][ T1146] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 94.450091][ T1146] ? rtnl_create_link (net/core/rtnetlink.c:3642) 
[ 94.450430][ T1146] rtnl_newlink_create (net/core/rtnetlink.c:3828) 
[ 94.450756][ T1146] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 94.451065][ T1146] ? __dev_get_by_name (net/core/dev.c:865) 
[ 94.451398][ T1146] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 94.451718][ T1146] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 94.452037][ T1146] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 94.452364][ T1146] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 94.452682][ T1146] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 94.453014][ T1146] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 94.453361][ T1146] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 94.453686][ T1146] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 94.453994][ T1146] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 94.454325][ T1146] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 94.454643][ T1146] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 94.454955][ T1146] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 94.455289][ T1146] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.455616][ T1146] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 94.455937][ T1146] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 94.456273][ T1146] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 94.456597][ T1146] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 94.456904][ T1146] ? 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) 
[ 94.457216][ T1146] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 94.457555][ T1146] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 94.457869][ T1146] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 94.458186][ T1146] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 94.458509][ T1146] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 94.458821][ T1146] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 94.459142][ T1146] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 94.459469][ T1146] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 94.459784][ T1146] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 94.460190][ T1146] ___sys_sendmsg (net/socket.c:2670) 
[ 94.460515][ T1146] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 94.460827][ T1146] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 94.461142][ T1146] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 94.461481][ T1146] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 94.461799][ T1146] ? __handle_mm_fault (mm/memory.c:6212) 
[ 94.462116][ T1146] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 94.462437][ T1146] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 94.462769][ T1146] __sys_sendmsg (net/socket.c:2700) 
[ 94.463083][ T1146] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 94.463411][ T1146] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 94.463729][ T1146] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 94.464044][ T1146] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 94.464373][ T1146] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 94.464688][ T1146] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   94.465070][ T1146] RIP: 0033:0x7f2ce60e31e7
[ 94.465420][ T1146] 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)
[   94.466549][ T1146] RSP: 002b:00007ffc3e9dc968 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   94.467030][ T1146] RAX: ffffffffffffffda RBX: 00007ffc3e9dd0a0 RCX: 00007f2ce60e31e7
[   94.467510][ T1146] RDX: 0000000000000000 RSI: 00007ffc3e9dc9d0 RDI: 0000000000000005
[   94.467972][ T1146] RBP: 0000000000000001 R08: 0000000000000048 R09: 0000000000000000
[   94.468448][ T1146] R10: 00007f2ce5fdb6f8 R11: 0000000000000246 R12: 00007ffc3e9dd0c0
[   94.468916][ T1146] R13: 00000000686e5234 R14: 0000000000499600 R15: 00007ffc3e9dcac0
| [   98.067670][ T1186] ------------[ cut here ]------------
| [ 98.068014][ T1186] WARNING: CPU: 2 PID: 1186 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) 
| [   98.068639][ T1186] Modules linked in: ip6_gre ip_gre gre cls_u32 sch_htb
| [   98.069831][ T1186] Tainted: [W]=WARN
[   98.070078][ T1186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.070545][ T1186] 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) 
[ 98.070865][ T1186] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[   98.071949][ T1186] RSP: 0018:ffffc900009e6ef0 EFLAGS: 00010246
[   98.072349][ T1186] RAX: 0000000000000000 RBX: ffff8880098da000 RCX: 0000000000000001
[   98.072807][ T1186] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[   98.073273][ T1186] RBP: ffffc900009e6fd8 R08: 0000000000000000 R09: 0000000000000000
[   98.073736][ T1186] R10: ffffc900009e7008 R11: ffffffffab8ceab8 R12: 1ffff9200013cde2
[   98.074196][ T1186] R13: 00000000000005dc R14: ffffc900009e7008 R15: ffff8880098daf48
[   98.074665][ T1186] FS:  00007f8be82d0800(0000) GS:ffff8880c0499000(0000) knlGS:0000000000000000
[   98.075198][ T1186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.075593][ T1186] CR2: 00000000004e5db0 CR3: 00000000096b3003 CR4: 0000000000772ef0
[   98.076066][ T1186] PKRU: 55555554
[   98.076311][ T1186] Call Trace:
[   98.076545][ T1186]  <TASK>
[ 98.076710][ T1186] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 98.077028][ T1186] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 98.077346][ T1186] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 98.077730][ T1186] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 98.078043][ T1186] netif_set_mtu (net/core/dev.c:9652) 
[ 98.078360][ T1186] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 98.078679][ T1186] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 98.079068][ T1186] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 98.079316][ T1186] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 98.079635][ T1186] br_add_if (net/bridge/br_if.c:697) 
[ 98.079882][ T1186] do_set_master (net/core/rtnetlink.c:2948) 
[ 98.080199][ T1186] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 98.080527][ T1186] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 98.080916][ T1186] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 98.081238][ T1186] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 98.081545][ T1186] ? __kernel_text_address (kernel/extable.c:79) 
[ 98.081859][ T1186] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.082170][ T1186] ? __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) 
[ 98.082518][ T1186] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 98.082903][ T1186] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 98.083214][ T1186] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 98.083533][ T1186] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 98.083842][ T1186] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 98.084159][ T1186] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 98.084480][ T1186] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 98.084787][ T1186] ? __create_object (mm/kmemleak.c:771) 
[ 98.085098][ T1186] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 98.085414][ T1186] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 98.085727][ T1186] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 98.086126][ T1186] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 98.086454][ T1186] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 98.086775][ T1186] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 98.087092][ T1186] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.087419][ T1186] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 98.087732][ T1186] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 98.088038][ T1186] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 98.088366][ T1186] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 98.088673][ T1186] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 98.088992][ T1186] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 98.089315][ T1186] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.089632][ T1186] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 98.089940][ T1186] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 98.090260][ T1186] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 98.090584][ T1186] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 98.090894][ T1186] ? 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) 
[ 98.091205][ T1186] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 98.091527][ T1186] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 98.091836][ T1186] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.092151][ T1186] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 98.092473][ T1186] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 98.092790][ T1186] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 98.093106][ T1186] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 98.093425][ T1186] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 98.093733][ T1186] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 98.094126][ T1186] ___sys_sendmsg (net/socket.c:2670) 
[ 98.094443][ T1186] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 98.094748][ T1186] ? __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) 
[ 98.095136][ T1186] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 98.095458][ T1186] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 98.095767][ T1186] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.096090][ T1186] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 98.096409][ T1186] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 98.096716][ T1186] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 98.097033][ T1186] __sys_sendmsg (net/socket.c:2700) 
[ 98.097356][ T1186] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 98.097737][ T1186] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 98.098058][ T1186] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 98.098378][ T1186] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 98.098689][ T1186] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   98.099068][ T1186] RIP: 0033:0x7f8be849d1e7
[ 98.099396][ T1186] Code: Unable to access opcode bytes at 0x7f8be849d1bd.

Code starting with the faulting instruction
===========================================
[   98.099797][ T1186] RSP: 002b:00007ffe9ce14008 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   98.100262][ T1186] RAX: ffffffffffffffda RBX: 00007ffe9ce14730 RCX: 00007f8be849d1e7
[   98.100712][ T1186] RDX: 0000000000000000 RSI: 00007ffe9ce14070 RDI: 0000000000000005
[   98.101166][ T1186] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   98.101633][ T1186] R10: 000000002836b910 R11: 0000000000000246 R12: 0000000000000004
[   98.102089][ T1186] R13: 00000000686e5237 R14: 0000000000499600 R15: 0000000000000000
| [  231.930726][ T3603] ------------[ cut here ]------------
| [ 231.931048][ T3603] WARNING: CPU: 2 PID: 3603 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) 
| [  231.931663][ T3603] Modules linked in: psample xfrm_user macsec vxlan ip6_gre ip_gre gre cls_u32 sch_htb [last unloaded: netdevsim]
| [  231.932989][ T3603] Tainted: [W]=WARN
[  231.933253][ T3603] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 231.933638][ T3603] 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) 
[ 231.933957][ T3603] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  231.936092][ T3603] RSP: 0018:ffffc90000796ef0 EFLAGS: 00010246
[  231.936496][ T3603] RAX: 0000000000000000 RBX: ffff88801323a000 RCX: 0000000000000001
[  231.936978][ T3603] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[  231.937459][ T3603] RBP: ffffc90000796fd8 R08: 0000000000000000 R09: 0000000000000000
[  231.937927][ T3603] R10: ffffc90000797008 R11: ffffffffaaf8d1e0 R12: 1ffff920000f2de2
[  231.938392][ T3603] R13: 00000000000005dc R14: ffffc90000797008 R15: ffff88801323af48
[  231.938850][ T3603] FS:  00007fe05f549800(0000) GS:ffff8880c0499000(0000) knlGS:0000000000000000
[  231.939391][ T3603] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  231.939776][ T3603] CR2: 00000000004e6eb8 CR3: 000000000e16b001 CR4: 0000000000772ef0
[  231.940247][ T3603] PKRU: 55555554
[  231.940484][ T3603] Call Trace:
[  231.940718][ T3603]  <TASK>
[ 231.940882][ T3603] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 231.941191][ T3603] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.941533][ T3603] netif_set_mtu (net/core/dev.c:9652) 
[ 231.941846][ T3603] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 231.942172][ T3603] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 231.942422][ T3603] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 231.942734][ T3603] br_add_if (net/bridge/br_if.c:697) 
[ 231.942982][ T3603] do_set_master (net/core/rtnetlink.c:2948) 
[ 231.943296][ T3603] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 231.943610][ T3603] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 231.943922][ T3603] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 231.944319][ T3603] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 231.944631][ T3603] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 231.944936][ T3603] ? __kernel_text_address (kernel/extable.c:79) 
[ 231.945282][ T3603] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.945604][ T3603] ? __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) 
[ 231.946001][ T3603] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 231.946407][ T3603] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 231.946716][ T3603] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 231.947030][ T3603] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 231.947349][ T3603] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 231.947663][ T3603] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 231.947972][ T3603] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 231.948289][ T3603] ? __create_object (mm/kmemleak.c:771) 
[ 231.948600][ T3603] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 231.948908][ T3603] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 231.949221][ T3603] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 231.949622][ T3603] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 231.949946][ T3603] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 231.950268][ T3603] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 231.950576][ T3603] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.950893][ T3603] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 231.951202][ T3603] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 231.951517][ T3603] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 231.951832][ T3603] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 231.952138][ T3603] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 231.952457][ T3603] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 231.952769][ T3603] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.953082][ T3603] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 231.953406][ T3603] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 231.953717][ T3603] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 231.954039][ T3603] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 231.954354][ T3603] ? 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) 
[ 231.954664][ T3603] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 231.954976][ T3603] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 231.955291][ T3603] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.955604][ T3603] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 231.955914][ T3603] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 231.956247][ T3603] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 231.956561][ T3603] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 231.956871][ T3603] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 231.957174][ T3603] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 231.957585][ T3603] ___sys_sendmsg (net/socket.c:2670) 
[ 231.957896][ T3603] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 231.958201][ T3603] ? __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) 
[ 231.958614][ T3603] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 231.958927][ T3603] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 231.959245][ T3603] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 231.959560][ T3603] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 231.959866][ T3603] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 231.960174][ T3603] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 231.960502][ T3603] __sys_sendmsg (net/socket.c:2700) 
[ 231.960813][ T3603] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 231.961196][ T3603] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 231.961536][ T3603] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 231.961848][ T3603] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 231.962161][ T3603] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  231.962547][ T3603] RIP: 0033:0x7fe05f7161e7
[ 231.962868][ T3603] 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)
[  231.963950][ T3603] RSP: 002b:00007fffc5012cf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  231.964452][ T3603] RAX: ffffffffffffffda RBX: 00007fffc5013430 RCX: 00007fe05f7161e7
[  231.964906][ T3603] RDX: 0000000000000000 RSI: 00007fffc5012d60 RDI: 0000000000000005
[  231.965389][ T3603] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  231.965860][ T3603] R10: 0000000002bba910 R11: 0000000000000246 R12: 0000000000000004
[  231.966331][ T3603] R13: 00000000686e52bd R14: 0000000000499600 R15: 0000000000000000
| [  234.304202][ T3635] ------------[ cut here ]------------
| [ 234.304528][ T3635] WARNING: CPU: 3 PID: 3635 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) 
| [  234.305116][ T3635] Modules linked in: psample xfrm_user macsec vxlan ip6_gre ip_gre gre cls_u32 sch_htb [last unloaded: netdevsim]
| [  234.306436][ T3635] Tainted: [W]=WARN
[  234.306665][ T3635] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 234.307039][ T3635] 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) 
[ 234.307351][ T3635] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  234.308415][ T3635] RSP: 0018:ffffc900007f6ef0 EFLAGS: 00010246
[  234.308798][ T3635] RAX: 0000000000000000 RBX: ffff88800f1d2000 RCX: 0000000000000001
[  234.309259][ T3635] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[  234.309709][ T3635] RBP: ffffc900007f6fd8 R08: 0000000000000000 R09: 0000000000000000
[  234.310151][ T3635] R10: ffffc900007f7008 R11: ffffffffaaf8d1e0 R12: 1ffff920000fede2
[  234.310839][ T3635] R13: 00000000000005dc R14: ffffc900007f7008 R15: ffff88800f1d2f48
[  234.311422][ T3635] FS:  00007ff249bb7800(0000) GS:ffff8880c0519000(0000) knlGS:0000000000000000
[  234.311940][ T3635] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  234.312508][ T3635] CR2: 00000000004e6e50 CR3: 000000000f44a006 CR4: 0000000000772ef0
[  234.312951][ T3635] PKRU: 55555554
[  234.313183][ T3635] Call Trace:
[  234.313570][ T3635]  <TASK>
[ 234.313723][ T3635] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 234.314023][ T3635] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 234.314472][ T3635] netif_set_mtu (net/core/dev.c:9652) 
[ 234.314768][ T3635] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 234.315078][ T3635] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 234.315446][ T3635] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 234.315751][ T3635] br_add_if (net/bridge/br_if.c:697) 
[ 234.315984][ T3635] do_set_master (net/core/rtnetlink.c:2948) 
[ 234.316431][ T3635] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 234.316738][ T3635] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 234.317115][ T3635] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 234.317417][ T3635] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 234.317710][ T3635] ? __kernel_text_address (kernel/extable.c:79) 
[ 234.318015][ T3635] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 234.318323][ T3635] ? __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) 
[ 234.318630][ T3635] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 234.318995][ T3635] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 234.319303][ T3635] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 234.319597][ T3635] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 234.319890][ T3635] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 234.320183][ T3635] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 234.320489][ T3635] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 234.320781][ T3635] ? __create_object (mm/kmemleak.c:771) 
[ 234.321080][ T3635] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 234.321381][ T3635] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 234.321676][ T3635] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 234.322041][ T3635] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 234.322349][ T3635] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 234.322656][ T3635] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 234.322951][ T3635] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 234.323277][ T3635] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 234.323572][ T3635] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 234.323863][ T3635] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 234.324159][ T3635] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 234.324460][ T3635] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 234.324755][ T3635] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 234.325063][ T3635] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 234.325369][ T3635] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 234.325664][ T3635] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 234.325959][ T3635] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 234.326280][ T3635] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 234.326575][ T3635] ? 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) 
[ 234.326872][ T3635] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 234.327176][ T3635] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 234.327476][ T3635] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 234.327781][ T3635] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 234.328085][ T3635] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 234.328387][ T3635] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 234.328690][ T3635] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 234.328993][ T3635] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 234.329303][ T3635] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 234.329682][ T3635] ___sys_sendmsg (net/socket.c:2670) 
[ 234.329973][ T3635] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 234.330275][ T3635] ? __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) 
[ 234.330643][ T3635] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 234.330943][ T3635] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 234.331251][ T3635] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 234.331561][ T3635] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 234.331860][ T3635] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 234.332154][ T3635] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 234.332463][ T3635] __sys_sendmsg (net/socket.c:2700) 
[ 234.332758][ T3635] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 234.333124][ T3635] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 234.333442][ T3635] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 234.333744][ T3635] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 234.334048][ T3635] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  234.334429][ T3635] RIP: 0033:0x7ff249d841e7
[ 234.334735][ T3635] 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)
[  234.335791][ T3635] RSP: 002b:00007ffd87952358 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  234.336261][ T3635] RAX: ffffffffffffffda RBX: 00007ffd87952a90 RCX: 00007ff249d841e7
[  234.336703][ T3635] RDX: 0000000000000000 RSI: 00007ffd879523c0 RDI: 0000000000000005
[  234.337150][ T3635] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  234.337597][ T3635] R10: 0000000026883910 R11: 0000000000000246 R12: 0000000000000004
[  234.338046][ T3635] R13: 00000000686e52bf R14: 0000000000499600 R15: 0000000000000000
| [  238.546464][ T3707] ------------[ cut here ]------------
| [ 238.546791][ T3707] WARNING: CPU: 2 PID: 3707 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) 
| [  238.547406][ T3707] Modules linked in: bonding netdevsim psample xfrm_user macsec vxlan ip6_gre ip_gre gre cls_u32 sch_htb [last unloaded: netdevsim]
| [  238.548815][ T3707] Tainted: [W]=WARN
[  238.549051][ T3707] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 238.549445][ T3707] 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) 
[ 238.549765][ T3707] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  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
[  238.550853][ T3707] RSP: 0018:ffffc900004f6ef0 EFLAGS: 00010246
[  238.551253][ T3707] RAX: 0000000000000000 RBX: ffff88800e1aa000 RCX: 0000000000000001
[  238.551709][ T3707] RDX: 0000000000000000 RSI: ffffffffaa510759 RDI: ffffffffa9c58280
[  238.552177][ T3707] RBP: ffffc900004f6fd8 R08: 0000000000000000 R09: 0000000000000000
[  238.553141][ T3707] R10: ffffc900004f7008 R11: ffffffffaaf8d1e0 R12: 1ffff9200009ede2
[  238.553641][ T3707] R13: 00000000000005dc R14: ffffc900004f7008 R15: ffff88800e1aaf48
[  238.554114][ T3707] FS:  00007fbf78db6800(0000) GS:ffff8880c0499000(0000) knlGS:0000000000000000
[  238.554683][ T3707] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  238.555092][ T3707] CR2: 00000000004e5a68 CR3: 000000000604a004 CR4: 0000000000772ef0
[  238.555582][ T3707] PKRU: 55555554
[  238.555830][ T3707] Call Trace:
[  238.556082][ T3707]  <TASK>
[ 238.556270][ T3707] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 238.556594][ T3707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 238.556930][ T3707] netif_set_mtu (net/core/dev.c:9652) 
[ 238.557266][ T3707] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 238.557603][ T3707] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 238.557842][ T3707] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 238.558156][ T3707] br_add_if (net/bridge/br_if.c:697) 
[ 238.558416][ T3707] do_set_master (net/core/rtnetlink.c:2948) 
[ 238.558720][ T3707] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 238.559033][ T3707] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 238.559357][ T3707] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 238.559750][ T3707] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 238.560056][ T3707] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 238.560374][ T3707] ? __kernel_text_address (kernel/extable.c:79) 
[ 238.560683][ T3707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 238.560992][ T3707] ? __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) 
[ 238.561326][ T3707] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 238.561703][ T3707] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 238.562017][ T3707] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 238.562338][ T3707] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 238.562664][ T3707] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 238.562988][ T3707] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 238.563328][ T3707] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 238.563650][ T3707] ? __create_object (mm/kmemleak.c:771) 
[ 238.563976][ T3707] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 238.564315][ T3707] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 238.564647][ T3707] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 238.565042][ T3707] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 238.565390][ T3707] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 238.565718][ T3707] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 238.566050][ T3707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 238.566394][ T3707] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 238.566718][ T3707] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 238.567042][ T3707] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 238.567381][ T3707] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 238.567704][ T3707] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 238.568016][ T3707] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 238.568342][ T3707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 238.568661][ T3707] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 238.568972][ T3707] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 238.569302][ T3707] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 238.569628][ T3707] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 238.569936][ T3707] ? 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) 
[ 238.570258][ T3707] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 238.570571][ T3707] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 238.570876][ T3707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 238.571189][ T3707] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 238.571515][ T3707] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 238.571828][ T3707] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 238.572144][ T3707] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 238.572468][ T3707] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 238.572793][ T3707] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 238.573205][ T3707] ___sys_sendmsg (net/socket.c:2670) 
[ 238.573539][ T3707] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 238.573860][ T3707] ? __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) 
[ 238.574276][ T3707] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 238.574609][ T3707] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 238.574934][ T3707] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 238.575273][ T3707] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 238.575596][ T3707] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 238.575916][ T3707] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 238.576266][ T3707] __sys_sendmsg (net/socket.c:2700) 
[ 238.576589][ T3707] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 238.576987][ T3707] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 238.577332][ T3707] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 238.577656][ T3707] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 238.577982][ T3707] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  238.578392][ T3707] RIP: 0033:0x7fbf78f831e7
[ 238.578726][ T3707] 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)
[  238.579856][ T3707] RSP: 002b:00007ffc2dd17a38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  238.580344][ T3707] RAX: ffffffffffffffda RBX: 00007ffc2dd18160 RCX: 00007fbf78f831e7
[  238.580821][ T3707] RDX: 0000000000000000 RSI: 00007ffc2dd17aa0 RDI: 0000000000000005
[  238.581320][ T3707] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  238.581791][ T3707] R10: 0000000004971910 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_newlink:erspan_newlink
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_newlink:ipgre_newlink
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:ip_tunnel_ctl:ipgre_tunnel_ctl