[   18.520129][  T258] ------------[ cut here ]------------
[   18.520547][  T258] WARNING: CPU: 3 PID: 258 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext+0x27f/0x5c0
[   18.521469][  T258] Modules linked in:
[   18.521727][  T258] CPU: 3 UID: 0 PID: 258 Comm: ifconfig Not tainted 6.16.0-rc4-virtme #1 PREEMPT(full) 
[   18.522215][  T258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.522551][  T258] RIP: 0010:netif_set_mtu_ext+0x27f/0x5c0
[   18.522830][  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
[   18.523798][  T258] RSP: 0018:ffffc90000ae7930 EFLAGS: 00010246
[   18.524147][  T258] RAX: 0000000000000000 RBX: ffff88800aa10000 RCX: 0000000000000001
[   18.524552][  T258] RDX: 0000000000000000 RSI: ffffffff96088ba1 RDI: ffffffff958555a0
[   18.524957][  T258] RBP: ffffc90000ae7a18 R08: ffff88800aa10008 R09: 0000000000000000
[   18.525368][  T258] R10: ffffc90000ae7a48 R11: ffffffff96e50068 R12: 1ffff9200015cf2a
[   18.525770][  T258] R13: 00000000000005f0 R14: ffffc90000ae7a48 R15: ffffc90000ae7d40
[   18.526180][  T258] FS:  00007f537d5aa740(0000) GS:ffff88809e271000(0000) knlGS:0000000000000000
[   18.526824][  T258] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.527185][  T258] CR2: 000055dc4dc2b5e6 CR3: 000000000c236001 CR4: 0000000000772ef0
[   18.527589][  T258] PKRU: 55555554
[   18.527791][  T258] Call Trace:
[   18.527996][  T258]  <TASK>
[   18.528147][  T258]  ? __pfx_netif_set_mtu_ext+0x10/0x10
[   18.528419][  T258]  ? rcu_read_lock_any_held+0x43/0xb0
[   18.528688][  T258]  ? validate_chain+0x166/0x4d0
[   18.528965][  T258]  ? rcu_read_lock_any_held+0x43/0xb0
[   18.529243][  T258]  ? validate_chain+0x166/0x4d0
[   18.529512][  T258]  netif_set_mtu+0x88/0x100
[   18.529782][  T258]  ? __pfx_netif_set_mtu+0x10/0x10
[   18.530061][  T258]  ? rcu_is_watching+0x12/0xc0
[   18.530342][  T258]  dev_set_mtu+0xa0/0x150
[   18.530547][  T258]  dev_ifsioc+0xc6d/0x1610
[   18.530819][  T258]  ? __pfx_dev_ifsioc+0x10/0x10
[   18.531111][  T258]  ? __pfx___mutex_lock+0x10/0x10
[   18.531384][  T258]  ? find_held_lock+0x2b/0x80
[   18.531657][  T258]  ? dev_load+0x6a/0x180
[   18.531857][  T258]  ? __lock_release+0x5d/0x170
[   18.532139][  T258]  dev_ioctl+0x1cb/0xed0
[   18.532347][  T258]  sock_do_ioctl+0x16e/0x1e0
[   18.532621][  T258]  ? __pfx_sock_do_ioctl+0x10/0x10
[   18.532887][  T258]  ? __pmd_alloc+0x7a1/0x7f0
[   18.533166][  T258]  ? lock_vma_under_rcu+0x36c/0x6b0
[   18.533437][  T258]  ? __lock_release+0xa8/0x170
[   18.533719][  T258]  sock_ioctl+0x3b4/0x590
[   18.533924][  T258]  ? __pfx_sock_ioctl+0x10/0x10
[   18.534202][  T258]  ? find_held_lock+0x2b/0x80
[   18.534474][  T258]  ? exc_page_fault+0x5d/0xc0
[   18.534742][  T258]  ? __lock_release+0x5d/0x170
[   18.535017][  T258]  ? exc_page_fault+0x5d/0xc0
[   18.535296][  T258]  __x64_sys_ioctl+0x11f/0x1a0
[   18.535570][  T258]  do_syscall_64+0xc1/0x380
[   18.535844][  T258]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   18.536183][  T258] RIP: 0033:0x7f537d6b0e4b
[   18.536463][  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
[   18.537432][  T258] RSP: 002b:00007ffd4cdeb688 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   18.537845][  T258] RAX: ffffffffffffffda RBX: 00007ffd4cdeb9e8 RCX: 00007f537d6b0e4b
[   18.538257][  T258] RDX: 00007ffd4cdeb6e0 RSI: 0000000000008922 RDI: 0000000000000007
[   18.538664][  T258] RBP: 00007ffd4cdeb9f8 R08: 1999999999999999 R09: 0000000000000000
[   18.539066][  T258] R10: 00007f537d74bac0 R11: 0000000000000246 R12: 00007ffd4cdec9ae
[   18.539481][  T258] R13: 000055dc4dc1a8f0 R14: 00007ffd4cdeb6e0 R15: 000055dc4dc258a2
[   18.539899][  T258]  </TASK>
[   18.540113][  T258] irq event stamp: 70265
[   18.540317][  T258] hardirqs last  enabled at (70273): [<ffffffff92e0820b>] __up_console_sem+0x6b/0x80
[   18.540782][  T258] hardirqs last disabled at (70280): [<ffffffff92e081f0>] __up_console_sem+0x50/0x80
[   18.541266][  T258] softirqs last  enabled at (69758): [<ffffffff92c8af38>] handle_softirqs+0x358/0x620
[   18.541730][  T258] softirqs last disabled at (69455): [<ffffffff92c8b38a>] __irq_exit_rcu+0xfa/0x160
[   18.542209][  T258] ---[ end trace 0000000000000000 ]---
[   23.958332][  T257] packetdrill (257) used greatest stack depth: 24280 bytes left