[   20.149782][  T260] ------------[ cut here ]------------
[   20.150379][  T260] WARNING: CPU: 2 PID: 260 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext+0x27f/0x5c0
[   20.150979][  T260] Modules linked in:
[   20.151302][  T260] CPU: 2 UID: 0 PID: 260 Comm: ifconfig Not tainted 6.16.0-rc4-virtme #1 PREEMPT(full) 
[   20.151839][  T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.152210][  T260] RIP: 0010:netif_set_mtu_ext+0x27f/0x5c0
[   20.152532][  T260] Code: 00 00 8b 05 a7 0e 19 02 85 c0 0f 84 52 fe ff ff 48 8d bb 80 0c 00 00 be ff ff ff ff e8 ea 9c 74 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
[   20.153576][  T260] RSP: 0018:ffffc90000a47930 EFLAGS: 00010246
[   20.153948][  T260] RAX: 0000000000000000 RBX: ffff88800b7f4000 RCX: 0000000000000001
[   20.154399][  T260] RDX: 0000000000000000 RSI: ffffffff9c088ba1 RDI: ffffffff9b8555a0
[   20.154845][  T260] RBP: ffffc90000a47a18 R08: ffff88800b7f4008 R09: 0000000000000000
[   20.155292][  T260] R10: ffffc90000a47a48 R11: ffffffff9ce50068 R12: 1ffff92000148f2a
[   20.155736][  T260] R13: 00000000000005f0 R14: ffffc90000a47a48 R15: ffffc90000a47d40
[   20.156171][  T260] FS:  00007f8e3ee13740(0000) GS:ffff8880981f1000(0000) knlGS:0000000000000000
[   20.156906][  T260] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.157298][  T260] CR2: 0000562591ece5e6 CR3: 000000000a661004 CR4: 0000000000772ef0
[   20.157738][  T260] PKRU: 55555554
[   20.157965][  T260] Call Trace:
[   20.158192][  T260]  <TASK>
[   20.158379][  T260]  ? __pfx_netif_set_mtu_ext+0x10/0x10
[   20.158684][  T260]  ? rcu_read_lock_any_held+0x43/0xb0
[   20.158982][  T260]  ? validate_chain+0x166/0x4d0
[   20.159295][  T260]  ? rcu_read_lock_any_held+0x43/0xb0
[   20.159595][  T260]  ? validate_chain+0x166/0x4d0
[   20.159898][  T260]  netif_set_mtu+0x88/0x100
[   20.160214][  T260]  ? __pfx_netif_set_mtu+0x10/0x10
[   20.160547][  T260]  ? rcu_is_watching+0x12/0xc0
[   20.160857][  T260]  dev_set_mtu+0xa0/0x150
[   20.161088][  T260]  dev_ifsioc+0xc6d/0x1610
[   20.161395][  T260]  ? __pfx_dev_ifsioc+0x10/0x10
[   20.161697][  T260]  ? __pfx___mutex_lock+0x10/0x10
[   20.161995][  T260]  ? find_held_lock+0x2b/0x80
[   20.162304][  T260]  ? dev_load+0x6a/0x180
[   20.162531][  T260]  ? __lock_release+0x5d/0x170
[   20.162838][  T260]  dev_ioctl+0x1cb/0xed0
[   20.163068][  T260]  sock_do_ioctl+0x16e/0x1e0
[   20.163378][  T260]  ? __pfx_sock_do_ioctl+0x10/0x10
[   20.163675][  T260]  ? __pmd_alloc+0x7a1/0x7f0
[   20.163968][  T260]  ? lock_vma_under_rcu+0x36c/0x6b0
[   20.164275][  T260]  ? __lock_release+0xa8/0x170
[   20.164589][  T260]  sock_ioctl+0x3b4/0x590
[   20.164820][  T260]  ? __pfx_sock_ioctl+0x10/0x10
[   20.165116][  T260]  ? find_held_lock+0x2b/0x80
[   20.165424][  T260]  ? exc_page_fault+0x5d/0xc0
[   20.165720][  T260]  ? __lock_release+0x5d/0x170
[   20.166018][  T260]  ? exc_page_fault+0x5d/0xc0
[   20.166335][  T260]  __x64_sys_ioctl+0x11f/0x1a0
[   20.166644][  T260]  do_syscall_64+0xc1/0x380
[   20.166942][  T260]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   20.167318][  T260] RIP: 0033:0x7f8e3ef19e4b
[   20.167636][  T260] Code: ff ff ff 85 c0 79 9b 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 7d 4f 0f 00 f7 d8 64 89 01 48
[   20.168664][  T260] RSP: 002b:00007ffd0fa9dd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   20.169110][  T260] RAX: ffffffffffffffda RBX: 00007ffd0fa9e0f8 RCX: 00007f8e3ef19e4b
[   20.169557][  T260] RDX: 00007ffd0fa9ddf0 RSI: 0000000000008922 RDI: 0000000000000007
[   20.169995][  T260] RBP: 00007ffd0fa9e108 R08: 1999999999999999 R09: 0000000000000000
[   20.170470][  T260] R10: 00007f8e3efb4ac0 R11: 0000000000000246 R12: 00007ffd0fa9f9ae
[   20.170906][  T260] R13: 0000562591ebd8f0 R14: 00007ffd0fa9ddf0 R15: 0000562591ec88a2
[   20.171383][  T260]  </TASK>
[   20.171613][  T260] irq event stamp: 67371
[   20.171841][  T260] hardirqs last  enabled at (67381): [<ffffffff98e0820b>] __up_console_sem+0x6b/0x80
[   20.172401][  T260] hardirqs last disabled at (67392): [<ffffffff98e081f0>] __up_console_sem+0x50/0x80
[   20.172912][  T260] softirqs last  enabled at (66810): [<ffffffff98c8af38>] handle_softirqs+0x358/0x620
[   20.173454][  T260] softirqs last disabled at (66803): [<ffffffff98c8b38a>] __irq_exit_rcu+0xfa/0x160
[   20.173961][  T260] ---[ end trace 0000000000000000 ]---
[   26.065931][  T259] packetdrill (259) used greatest stack depth: 24008 bytes left