[   16.311435][  T258] ------------[ cut here ]------------
[   16.311879][  T258] WARNING: CPU: 0 PID: 258 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext+0x27f/0x5c0
[   16.312425][  T258] Modules linked in:
[   16.312682][  T258] CPU: 0 UID: 0 PID: 258 Comm: ifconfig Not tainted 6.16.0-rc4-virtme #1 PREEMPT(full) 
[   16.313212][  T258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.313554][  T258] RIP: 0010:netif_set_mtu_ext+0x27f/0x5c0
[   16.313844][  T258] Code: 00 00 8b 05 c7 0f 19 02 85 c0 0f 84 52 fe ff ff 48 8d bb 80 0c 00 00 be ff ff ff ff e8 0a 9e 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
[   16.314820][  T258] RSP: 0018:ffffc90000b17930 EFLAGS: 00010246
[   16.315164][  T258] RAX: 0000000000000000 RBX: ffff888012948000 RCX: 0000000000000001
[   16.315576][  T258] RDX: 0000000000000000 RSI: ffffffff96e88ba1 RDI: ffffffff966555a0
[   16.316011][  T258] RBP: ffffc90000b17a18 R08: ffff888012948008 R09: 0000000000000000
[   16.316419][  T258] R10: ffffc90000b17a48 R11: ffffffff97c50068 R12: 1ffff92000162f2a
[   16.316835][  T258] R13: 00000000000005f0 R14: ffffc90000b17a48 R15: ffffc90000b17d40
[   16.317255][  T258] FS:  00007ffb407d9740(0000) GS:ffff88809d2f1000(0000) knlGS:0000000000000000
[   16.317735][  T258] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.318083][  T258] CR2: 0000562dbe4e75e6 CR3: 000000001098a006 CR4: 0000000000772ef0
[   16.318488][  T258] PKRU: 55555554
[   16.318703][  T258] Call Trace:
[   16.318909][  T258]  <TASK>
[   16.319057][  T258]  ? __pfx_netif_set_mtu_ext+0x10/0x10
[   16.319329][  T258]  ? rcu_read_lock_any_held+0x43/0xb0
[   16.319802][  T258]  ? validate_chain+0x166/0x4d0
[   16.320245][  T258]  ? rcu_read_lock_any_held+0x43/0xb0
[   16.320646][  T258]  ? validate_chain+0x166/0x4d0
[   16.320920][  T258]  netif_set_mtu+0x88/0x100
[   16.321201][  T258]  ? __pfx_netif_set_mtu+0x10/0x10
[   16.321485][  T258]  ? rcu_is_watching+0x12/0xc0
[   16.321770][  T258]  dev_set_mtu+0xa0/0x150
[   16.321980][  T258]  dev_ifsioc+0xc6d/0x1610
[   16.322255][  T258]  ? __pfx_dev_ifsioc+0x10/0x10
[   16.322524][  T258]  ? __pfx___mutex_lock+0x10/0x10
[   16.322811][  T258]  ? find_held_lock+0x2b/0x80
[   16.323082][  T258]  ? dev_load+0x6a/0x180
[   16.323283][  T258]  ? __lock_release+0x5d/0x170
[   16.323560][  T258]  dev_ioctl+0x1cb/0xed0
[   16.323777][  T258]  sock_do_ioctl+0x16e/0x1e0
[   16.324048][  T258]  ? __pfx_sock_do_ioctl+0x10/0x10
[   16.324315][  T258]  ? __pmd_alloc+0x7a1/0x7f0
[   16.324588][  T258]  ? lock_vma_under_rcu+0x36c/0x6b0
[   16.324865][  T258]  ? __lock_release+0xa8/0x170
[   16.325151][  T258]  sock_ioctl+0x3b4/0x590
[   16.325360][  T258]  ? __pfx_sock_ioctl+0x10/0x10
[   16.325638][  T258]  ? find_held_lock+0x2b/0x80
[   16.325912][  T258]  ? exc_page_fault+0x5d/0xc0
[   16.326179][  T258]  ? __lock_release+0x5d/0x170
[   16.326451][  T258]  ? exc_page_fault+0x5d/0xc0
[   16.326735][  T258]  __x64_sys_ioctl+0x11f/0x1a0
[   16.327011][  T258]  do_syscall_64+0xc1/0x380
[   16.327287][  T258]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   16.327633][  T258] RIP: 0033:0x7ffb408dfe4b
[   16.327918][  T258] 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
[   16.328902][  T258] RSP: 002b:00007fffb02f5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   16.329315][  T258] RAX: ffffffffffffffda RBX: 00007fffb02f5568 RCX: 00007ffb408dfe4b
[   16.329738][  T258] RDX: 00007fffb02f5260 RSI: 0000000000008922 RDI: 0000000000000007
[   16.330153][  T258] RBP: 00007fffb02f5578 R08: 1999999999999999 R09: 0000000000000000
[   16.330562][  T258] R10: 00007ffb4097aac0 R11: 0000000000000246 R12: 00007fffb02f5978
[   16.330974][  T258] R13: 0000562dbe4d68f0 R14: 00007fffb02f5260 R15: 0000562dbe4e18a2
[   16.331396][  T258]  </TASK>
[   16.331599][  T258] irq event stamp: 64853
[   16.331814][  T258] hardirqs last  enabled at (64863): [<ffffffff93c0820b>] __up_console_sem+0x6b/0x80
[   16.332323][  T258] hardirqs last disabled at (64870): [<ffffffff93c081f0>] __up_console_sem+0x50/0x80
[   16.332809][  T258] softirqs last  enabled at (64430): [<ffffffff93a8af38>] handle_softirqs+0x358/0x620
[   16.333282][  T258] softirqs last disabled at (64425): [<ffffffff93a8b38a>] __irq_exit_rcu+0xfa/0x160
[   16.333755][  T258] ---[ end trace 0000000000000000 ]---
[   18.832074][  T257] packetdrill (257) used greatest stack depth: 23896 bytes left