[   17.835409][  T259] ------------[ cut here ]------------
[   17.835893][  T259] WARNING: CPU: 0 PID: 259 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext+0x27f/0x5c0
[   17.836436][  T259] Modules linked in:
[   17.836717][  T259] CPU: 0 UID: 0 PID: 259 Comm: ifconfig Not tainted 6.16.0-rc4-virtme #1 PREEMPT(full) 
[   17.837199][  T259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.837555][  T259] RIP: 0010:netif_set_mtu_ext+0x27f/0x5c0
[   17.837838][  T259] 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
[   17.838821][  T259] RSP: 0018:ffffc90000a87930 EFLAGS: 00010246
[   17.839173][  T259] RAX: 0000000000000000 RBX: ffff888012444000 RCX: 0000000000000001
[   17.839592][  T259] RDX: 0000000000000000 RSI: ffffffff8e888ba1 RDI: ffffffff8e0555a0
[   17.840000][  T259] RBP: ffffc90000a87a18 R08: ffff888012444008 R09: 0000000000000000
[   17.840686][  T259] R10: ffffc90000a87a48 R11: ffffffff8f650068 R12: 1ffff92000150f2a
[   17.841123][  T259] R13: 00000000000005f0 R14: ffffc90000a87a48 R15: ffffc90000a87d40
[   17.841544][  T259] FS:  00007fda8402f740(0000) GS:ffff8880a58f1000(0000) knlGS:0000000000000000
[   17.842025][  T259] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.842367][  T259] CR2: 000055d2f81ab5e6 CR3: 0000000008d21003 CR4: 0000000000772ef0
[   17.842877][  T259] PKRU: 55555554
[   17.843085][  T259] Call Trace:
[   17.843290][  T259]  <TASK>
[   17.843433][  T259]  ? __pfx_netif_set_mtu_ext+0x10/0x10
[   17.843725][  T259]  ? rcu_read_lock_any_held+0x43/0xb0
[   17.844005][  T259]  ? validate_chain+0x166/0x4d0
[   17.844284][  T259]  ? rcu_read_lock_any_held+0x43/0xb0
[   17.844568][  T259]  ? validate_chain+0x166/0x4d0
[   17.844849][  T259]  netif_set_mtu+0x88/0x100
[   17.845121][  T259]  ? __pfx_netif_set_mtu+0x10/0x10
[   17.845402][  T259]  ? rcu_is_watching+0x12/0xc0
[   17.845689][  T259]  dev_set_mtu+0xa0/0x150
[   17.845891][  T259]  dev_ifsioc+0xc6d/0x1610
[   17.846159][  T259]  ? __pfx_dev_ifsioc+0x10/0x10
[   17.846433][  T259]  ? __pfx___mutex_lock+0x10/0x10
[   17.846724][  T259]  ? find_held_lock+0x2b/0x80
[   17.846994][  T259]  ? dev_load+0x6a/0x180
[   17.847196][  T259]  ? __lock_release+0x5d/0x170
[   17.847475][  T259]  dev_ioctl+0x1cb/0xed0
[   17.847692][  T259]  sock_do_ioctl+0x16e/0x1e0
[   17.847967][  T259]  ? __pfx_sock_do_ioctl+0x10/0x10
[   17.848237][  T259]  ? __pmd_alloc+0x7a1/0x7f0
[   17.848504][  T259]  ? lock_vma_under_rcu+0x36c/0x6b0
[   17.848791][  T259]  ? __lock_release+0xa8/0x170
[   17.849081][  T259]  sock_ioctl+0x3b4/0x590
[   17.849284][  T259]  ? __pfx_sock_ioctl+0x10/0x10
[   17.849559][  T259]  ? find_held_lock+0x2b/0x80
[   17.849825][  T259]  ? exc_page_fault+0x5d/0xc0
[   17.850092][  T259]  ? __lock_release+0x5d/0x170
[   17.850361][  T259]  ? exc_page_fault+0x5d/0xc0
[   17.850645][  T259]  __x64_sys_ioctl+0x11f/0x1a0
[   17.850960][  T259]  do_syscall_64+0xc1/0x380
[   17.851236][  T259]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   17.851587][  T259] RIP: 0033:0x7fda84135e4b
[   17.851869][  T259] 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
[   17.852861][  T259] RSP: 002b:00007ffc326641f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   17.853277][  T259] RAX: ffffffffffffffda RBX: 00007ffc32664558 RCX: 00007fda84135e4b
[   17.853694][  T259] RDX: 00007ffc32664250 RSI: 0000000000008922 RDI: 0000000000000007
[   17.854096][  T259] RBP: 00007ffc32664568 R08: 1999999999999999 R09: 0000000000000000
[   17.854496][  T259] R10: 00007fda841d0ac0 R11: 0000000000000246 R12: 00007ffc32665982
[   17.854915][  T259] R13: 000055d2f819a8f0 R14: 00007ffc32664250 R15: 000055d2f81a58a2
[   17.855333][  T259]  </TASK>
[   17.855549][  T259] irq event stamp: 63717
[   17.855759][  T259] hardirqs last  enabled at (63725): [<ffffffff8b60820b>] __up_console_sem+0x6b/0x80
[   17.856228][  T259] hardirqs last disabled at (63732): [<ffffffff8b6081f0>] __up_console_sem+0x50/0x80
[   17.856710][  T259] softirqs last  enabled at (63224): [<ffffffff8b48af38>] handle_softirqs+0x358/0x620
[   17.857182][  T259] softirqs last disabled at (63215): [<ffffffff8b48b38a>] __irq_exit_rcu+0xfa/0x160
[   17.857662][  T259] ---[ end trace 0000000000000000 ]---
[   21.427826][  T258] packetdrill (258) used greatest stack depth: 24368 bytes left