[   19.741047][  T264] ------------[ cut here ]------------
[   19.741562][  T264] WARNING: CPU: 2 PID: 264 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext+0x27f/0x5c0
[   19.742208][  T264] Modules linked in:
[   19.742528][  T264] CPU: 2 UID: 0 PID: 264 Comm: ifconfig Not tainted 6.16.0-rc4-virtme #1 PREEMPT(full) 
[   19.743100][  T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.743469][  T264] RIP: 0010:netif_set_mtu_ext+0x27f/0x5c0
[   19.743837][  T264] 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
[   19.744882][  T264] RSP: 0018:ffffc90000cb7930 EFLAGS: 00010246
[   19.745328][  T264] RAX: 0000000000000000 RBX: ffff888009384000 RCX: 0000000000000001
[   19.745796][  T264] RDX: 0000000000000000 RSI: ffffffffa6e88ba1 RDI: ffffffffa66555a0
[   19.746252][  T264] RBP: ffffc90000cb7a18 R08: ffff888009384008 R09: 0000000000000000
[   19.746828][  T264] R10: ffffc90000cb7a48 R11: ffffffffa7c50068 R12: 1ffff92000196f2a
[   19.747304][  T264] R13: 00000000000005f0 R14: ffffc90000cb7a48 R15: ffffc90000cb7d40
[   19.747745][  T264] FS:  00007f680dfd0740(0000) GS:ffff88808d3f1000(0000) knlGS:0000000000000000
[   19.748266][  T264] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.748767][  T264] CR2: 000055655c64b5e6 CR3: 000000000c276005 CR4: 0000000000772ef0
[   19.749607][  T264] PKRU: 55555554
[   19.749925][  T264] Call Trace:
[   19.750227][  T264]  <TASK>
[   19.750388][  T264]  ? __pfx_netif_set_mtu_ext+0x10/0x10
[   19.750767][  T264]  ? rcu_read_lock_any_held+0x43/0xb0
[   19.751185][  T264]  ? validate_chain+0x166/0x4d0
[   19.751491][  T264]  ? rcu_read_lock_any_held+0x43/0xb0
[   19.751808][  T264]  ? validate_chain+0x166/0x4d0
[   19.752100][  T264]  netif_set_mtu+0x88/0x100
[   19.752397][  T264]  ? __pfx_netif_set_mtu+0x10/0x10
[   19.752695][  T264]  ? rcu_is_watching+0x12/0xc0
[   19.753018][  T264]  dev_set_mtu+0xa0/0x150
[   19.753238][  T264]  dev_ifsioc+0xc6d/0x1610
[   19.753530][  T264]  ? __pfx_dev_ifsioc+0x10/0x10
[   19.753874][  T264]  ? __pfx___mutex_lock+0x10/0x10
[   19.754276][  T264]  ? find_held_lock+0x2b/0x80
[   19.754570][  T264]  ? dev_load+0x6a/0x180
[   19.754834][  T264]  ? __lock_release+0x5d/0x170
[   19.755198][  T264]  dev_ioctl+0x1cb/0xed0
[   19.755451][  T264]  sock_do_ioctl+0x16e/0x1e0
[   19.755814][  T264]  ? __pfx_sock_do_ioctl+0x10/0x10
[   19.756161][  T264]  ? __pmd_alloc+0x7a1/0x7f0
[   19.756533][  T264]  ? lock_vma_under_rcu+0x36c/0x6b0
[   19.756911][  T264]  ? __lock_release+0xa8/0x170
[   19.757286][  T264]  sock_ioctl+0x3b4/0x590
[   19.757509][  T264]  ? __pfx_sock_ioctl+0x10/0x10
[   19.757834][  T264]  ? find_held_lock+0x2b/0x80
[   19.758126][  T264]  ? exc_page_fault+0x5d/0xc0
[   19.758422][  T264]  ? __lock_release+0x5d/0x170
[   19.758718][  T264]  ? exc_page_fault+0x5d/0xc0
[   19.759069][  T264]  __x64_sys_ioctl+0x11f/0x1a0
[   19.759387][  T264]  do_syscall_64+0xc1/0x380
[   19.759685][  T264]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   19.760083][  T264] RIP: 0033:0x7f680e0d6e4b
[   19.760390][  T264] 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
[   19.761409][  T264] RSP: 002b:00007fff85987708 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   19.761906][  T264] RAX: ffffffffffffffda RBX: 00007fff85987a68 RCX: 00007f680e0d6e4b
[   19.762331][  T264] RDX: 00007fff85987760 RSI: 0000000000008922 RDI: 0000000000000007
[   19.762766][  T264] RBP: 00007fff85987a78 R08: 1999999999999999 R09: 0000000000000000
[   19.763283][  T264] R10: 00007f680e171ac0 R11: 0000000000000246 R12: 00007fff859889a2
[   19.763728][  T264] R13: 000055655c63a8f0 R14: 00007fff85987760 R15: 000055655c6458a2
[   19.764162][  T264]  </TASK>
[   19.764382][  T264] irq event stamp: 66583
[   19.764602][  T264] hardirqs last  enabled at (66593): [<ffffffffa3c0820b>] __up_console_sem+0x6b/0x80
[   19.765110][  T264] hardirqs last disabled at (66604): [<ffffffffa3c081f0>] __up_console_sem+0x50/0x80
[   19.765606][  T264] softirqs last  enabled at (65986): [<ffffffffa3a8af38>] handle_softirqs+0x358/0x620
[   19.766145][  T264] softirqs last disabled at (65979): [<ffffffffa3a8b38a>] __irq_exit_rcu+0xfa/0x160
[   19.766633][  T264] ---[ end trace 0000000000000000 ]---
[   24.076324][  T263] packetdrill (263) used greatest stack depth: 24848 bytes left