[   17.232897][  T259] ------------[ cut here ]------------
[   17.233451][  T259] WARNING: CPU: 2 PID: 259 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext+0x27f/0x5c0
[   17.234040][  T259] Modules linked in:
[   17.234355][  T259] CPU: 2 UID: 0 PID: 259 Comm: ifconfig Not tainted 6.16.0-rc4-virtme #1 PREEMPT(full) 
[   17.234877][  T259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.235271][  T259] RIP: 0010:netif_set_mtu_ext+0x27f/0x5c0
[   17.235585][  T259] 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
[   17.236631][  T259] RSP: 0018:ffffc90000a67930 EFLAGS: 00010246
[   17.237009][  T259] RAX: 0000000000000000 RBX: ffff888005138000 RCX: 0000000000000001
[   17.237466][  T259] RDX: 0000000000000000 RSI: ffffffff99e88ba1 RDI: ffffffff996555a0
[   17.237914][  T259] RBP: ffffc90000a67a18 R08: ffff888005138008 R09: 0000000000000000
[   17.238368][  T259] R10: ffffc90000a67a48 R11: ffffffff9ac50068 R12: 1ffff9200014cf2a
[   17.238811][  T259] R13: 00000000000005f0 R14: ffffc90000a67a48 R15: ffffc90000a67d40
[   17.239264][  T259] FS:  00007f0bca703740(0000) GS:ffff88809a3f1000(0000) knlGS:0000000000000000
[   17.239778][  T259] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.240162][  T259] CR2: 000055c1ac86d5e6 CR3: 0000000004ef0003 CR4: 0000000000772ef0
[   17.240638][  T259] PKRU: 55555554
[   17.240870][  T259] Call Trace:
[   17.241399][  T259]  <TASK>
[   17.241567][  T259]  ? __pfx_netif_set_mtu_ext+0x10/0x10
[   17.241878][  T259]  ? rcu_read_lock_any_held+0x43/0xb0
[   17.242197][  T259]  ? validate_chain+0x166/0x4d0
[   17.242507][  T259]  ? rcu_read_lock_any_held+0x43/0xb0
[   17.242803][  T259]  ? validate_chain+0x166/0x4d0
[   17.243111][  T259]  netif_set_mtu+0x88/0x100
[   17.243431][  T259]  ? __pfx_netif_set_mtu+0x10/0x10
[   17.243743][  T259]  ? rcu_is_watching+0x12/0xc0
[   17.244054][  T259]  dev_set_mtu+0xa0/0x150
[   17.244299][  T259]  dev_ifsioc+0xc6d/0x1610
[   17.244603][  T259]  ? __pfx_dev_ifsioc+0x10/0x10
[   17.244904][  T259]  ? __pfx___mutex_lock+0x10/0x10
[   17.245221][  T259]  ? find_held_lock+0x2b/0x80
[   17.245519][  T259]  ? dev_load+0x6a/0x180
[   17.245748][  T259]  ? __lock_release+0x5d/0x170
[   17.246054][  T259]  dev_ioctl+0x1cb/0xed0
[   17.246302][  T259]  sock_do_ioctl+0x16e/0x1e0
[   17.246610][  T259]  ? __pfx_sock_do_ioctl+0x10/0x10
[   17.246911][  T259]  ? __pmd_alloc+0x7a1/0x7f0
[   17.247220][  T259]  ? lock_vma_under_rcu+0x36c/0x6b0
[   17.247519][  T259]  ? __lock_release+0xa8/0x170
[   17.247831][  T259]  sock_ioctl+0x3b4/0x590
[   17.248067][  T259]  ? __pfx_sock_ioctl+0x10/0x10
[   17.248389][  T259]  ? find_held_lock+0x2b/0x80
[   17.248687][  T259]  ? exc_page_fault+0x5d/0xc0
[   17.248988][  T259]  ? __lock_release+0x5d/0x170
[   17.249299][  T259]  ? exc_page_fault+0x5d/0xc0
[   17.249605][  T259]  __x64_sys_ioctl+0x11f/0x1a0
[   17.249905][  T259]  do_syscall_64+0xc1/0x380
[   17.250219][  T259]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   17.250583][  T259] RIP: 0033:0x7f0bca809e4b
[   17.250901][  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
[   17.251932][  T259] RSP: 002b:00007fffba99b1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   17.252418][  T259] RAX: ffffffffffffffda RBX: 00007fffba99b548 RCX: 00007f0bca809e4b
[   17.252869][  T259] RDX: 00007fffba99b240 RSI: 0000000000008922 RDI: 0000000000000007
[   17.253335][  T259] RBP: 00007fffba99b558 R08: 1999999999999999 R09: 0000000000000000
[   17.253775][  T259] R10: 00007f0bca8a4ac0 R11: 0000000000000246 R12: 00007fffba99b986
[   17.254227][  T259] R13: 000055c1ac85c8f0 R14: 00007fffba99b240 R15: 000055c1ac8678a2
[   17.254688][  T259]  </TASK>
[   17.254919][  T259] irq event stamp: 61989
[   17.255160][  T259] hardirqs last  enabled at (62001): [<ffffffff96c0820b>] __up_console_sem+0x6b/0x80
[   17.255672][  T259] hardirqs last disabled at (62010): [<ffffffff96c081f0>] __up_console_sem+0x50/0x80
[   17.256186][  T259] softirqs last  enabled at (61384): [<ffffffff96a8af38>] handle_softirqs+0x358/0x620
[   17.256699][  T259] softirqs last disabled at (61369): [<ffffffff96a8b38a>] __irq_exit_rcu+0xfa/0x160
[   17.257213][  T259] ---[ end trace 0000000000000000 ]---
[   20.596742][  T258] packetdrill (258) used greatest stack depth: 24368 bytes left