[   18.157384][  T260] ------------[ cut here ]------------
[   18.157928][  T260] WARNING: CPU: 0 PID: 260 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext+0x27f/0x5c0
[   18.158483][  T260] Modules linked in:
[   18.158743][  T260] CPU: 0 UID: 0 PID: 260 Comm: ifconfig Not tainted 6.16.0-rc4-virtme #1 PREEMPT(full) 
[   18.159232][  T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.159590][  T260] RIP: 0010:netif_set_mtu_ext+0x27f/0x5c0
[   18.159878][  T260] 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
[   18.160890][  T260] RSP: 0018:ffffc90000a57930 EFLAGS: 00010246
[   18.161264][  T260] RAX: 0000000000000000 RBX: ffff8880095a8000 RCX: 0000000000000001
[   18.161696][  T260] RDX: 0000000000000000 RSI: ffffffff88288ba1 RDI: ffffffff87a555a0
[   18.162136][  T260] RBP: ffffc90000a57a18 R08: ffff8880095a8008 R09: 0000000000000000
[   18.162565][  T260] R10: ffffc90000a57a48 R11: ffffffff89050068 R12: 1ffff9200014af2a
[   18.163003][  T260] R13: 00000000000005f0 R14: ffffc90000a57a48 R15: ffffc90000a57d40
[   18.163431][  T260] FS:  00007feda78b9740(0000) GS:ffff8880abef1000(0000) knlGS:0000000000000000
[   18.164249][  T260] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.164601][  T260] CR2: 0000561d3d8c05e6 CR3: 000000000a1e3001 CR4: 0000000000772ef0
[   18.165018][  T260] PKRU: 55555554
[   18.165238][  T260] Call Trace:
[   18.165452][  T260]  <TASK>
[   18.165597][  T260]  ? __pfx_netif_set_mtu_ext+0x10/0x10
[   18.165886][  T260]  ? rcu_read_lock_any_held+0x43/0xb0
[   18.166177][  T260]  ? validate_chain+0x166/0x4d0
[   18.166457][  T260]  ? rcu_read_lock_any_held+0x43/0xb0
[   18.166725][  T260]  ? validate_chain+0x166/0x4d0
[   18.167004][  T260]  netif_set_mtu+0x88/0x100
[   18.167294][  T260]  ? __pfx_netif_set_mtu+0x10/0x10
[   18.167576][  T260]  ? rcu_is_watching+0x12/0xc0
[   18.167850][  T260]  dev_set_mtu+0xa0/0x150
[   18.168063][  T260]  dev_ifsioc+0xc6d/0x1610
[   18.168340][  T260]  ? __pfx_dev_ifsioc+0x10/0x10
[   18.168611][  T260]  ? __pfx___mutex_lock+0x10/0x10
[   18.168894][  T260]  ? find_held_lock+0x2b/0x80
[   18.169176][  T260]  ? dev_load+0x6a/0x180
[   18.169393][  T260]  ? __lock_release+0x5d/0x170
[   18.169673][  T260]  dev_ioctl+0x1cb/0xed0
[   18.169880][  T260]  sock_do_ioctl+0x16e/0x1e0
[   18.170161][  T260]  ? __pfx_sock_do_ioctl+0x10/0x10
[   18.170432][  T260]  ? __pmd_alloc+0x7a1/0x7f0
[   18.170705][  T260]  ? lock_vma_under_rcu+0x36c/0x6b0
[   18.170983][  T260]  ? __lock_release+0xa8/0x170
[   18.171270][  T260]  sock_ioctl+0x3b4/0x590
[   18.171478][  T260]  ? __pfx_sock_ioctl+0x10/0x10
[   18.171746][  T260]  ? find_held_lock+0x2b/0x80
[   18.172022][  T260]  ? exc_page_fault+0x5d/0xc0
[   18.172297][  T260]  ? __lock_release+0x5d/0x170
[   18.172569][  T260]  ? exc_page_fault+0x5d/0xc0
[   18.172842][  T260]  __x64_sys_ioctl+0x11f/0x1a0
[   18.173124][  T260]  do_syscall_64+0xc1/0x380
[   18.173414][  T260]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   18.173768][  T260] RIP: 0033:0x7feda79bfe4b
[   18.174078][  T260] 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
[   18.175140][  T260] RSP: 002b:00007ffdcb811cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   18.175575][  T260] RAX: ffffffffffffffda RBX: 00007ffdcb812058 RCX: 00007feda79bfe4b
[   18.176028][  T260] RDX: 00007ffdcb811d50 RSI: 0000000000008922 RDI: 0000000000000007
[   18.176461][  T260] RBP: 00007ffdcb812068 R08: 1999999999999999 R09: 0000000000000000
[   18.176897][  T260] R10: 00007feda7a5aac0 R11: 0000000000000246 R12: 00007ffdcb813982
[   18.177338][  T260] R13: 0000561d3d8af8f0 R14: 00007ffdcb811d50 R15: 0000561d3d8ba8a2
[   18.177792][  T260]  </TASK>
[   18.178031][  T260] irq event stamp: 61111
[   18.178252][  T260] hardirqs last  enabled at (61119): [<ffffffff8500820b>] __up_console_sem+0x6b/0x80
[   18.178750][  T260] hardirqs last disabled at (61126): [<ffffffff850081f0>] __up_console_sem+0x50/0x80
[   18.179256][  T260] softirqs last  enabled at (60626): [<ffffffff84e8af38>] handle_softirqs+0x358/0x620
[   18.179766][  T260] softirqs last disabled at (60621): [<ffffffff84e8b38a>] __irq_exit_rcu+0xfa/0x160
[   18.180438][  T260] ---[ end trace 0000000000000000 ]---
[   21.871166][  T259] packetdrill (259) used greatest stack depth: 24368 bytes left