[   16.281530][  T260] ------------[ cut here ]------------
[   16.282733][  T260] WARNING: CPU: 2 PID: 260 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext+0x27f/0x5c0
[   16.283776][  T260] Modules linked in:
[   16.284296][  T260] CPU: 2 UID: 0 PID: 260 Comm: ifconfig Not tainted 6.16.0-rc4-virtme #1 PREEMPT(full) 
[   16.285235][  T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.285714][  T260] RIP: 0010:netif_set_mtu_ext+0x27f/0x5c0
[   16.286062][  T260] Code: 00 00 8b 05 a7 0e 19 02 85 c0 0f 84 52 fe ff ff 48 8d bb 80 0c 00 00 be ff ff ff ff e8 ea 9c 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
[   16.287202][  T260] RSP: 0018:ffffc90000c27930 EFLAGS: 00010246
[   16.287653][  T260] RAX: 0000000000000000 RBX: ffff88800c1e8000 RCX: 0000000000000001
[   16.288113][  T260] RDX: 0000000000000000 RSI: ffffffff8c288ba1 RDI: ffffffff8ba555a0
[   16.288612][  T260] RBP: ffffc90000c27a18 R08: ffff88800c1e8008 R09: 0000000000000000
[   16.289067][  T260] R10: ffffc90000c27a48 R11: ffffffff8d050068 R12: 1ffff92000184f2a
[   16.289527][  T260] R13: 00000000000005f0 R14: ffffc90000c27a48 R15: ffffc90000c27d40
[   16.290044][  T260] FS:  00007fc5e9408740(0000) GS:ffff8880a7ff1000(0000) knlGS:0000000000000000
[   16.290631][  T260] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.291027][  T260] CR2: 00005592324055e6 CR3: 0000000004d3c004 CR4: 0000000000772ef0
[   16.291492][  T260] PKRU: 55555554
[   16.291725][  T260] Call Trace:
[   16.292178][  T260]  <TASK>
[   16.292366][  T260]  ? __pfx_netif_set_mtu_ext+0x10/0x10
[   16.292676][  T260]  ? rcu_read_lock_any_held+0x43/0xb0
[   16.292992][  T260]  ? validate_chain+0x166/0x4d0
[   16.293313][  T260]  ? rcu_read_lock_any_held+0x43/0xb0
[   16.293609][  T260]  ? validate_chain+0x166/0x4d0
[   16.293922][  T260]  netif_set_mtu+0x88/0x100
[   16.294229][  T260]  ? __pfx_netif_set_mtu+0x10/0x10
[   16.294551][  T260]  ? rcu_is_watching+0x12/0xc0
[   16.294893][  T260]  dev_set_mtu+0xa0/0x150
[   16.295126][  T260]  dev_ifsioc+0xc6d/0x1610
[   16.295441][  T260]  ? __pfx_dev_ifsioc+0x10/0x10
[   16.295740][  T260]  ? __pfx___mutex_lock+0x10/0x10
[   16.296051][  T260]  ? find_held_lock+0x2b/0x80
[   16.296367][  T260]  ? dev_load+0x6a/0x180
[   16.296600][  T260]  ? __lock_release+0x5d/0x170
[   16.296917][  T260]  dev_ioctl+0x1cb/0xed0
[   16.297148][  T260]  sock_do_ioctl+0x16e/0x1e0
[   16.297460][  T260]  ? __pfx_sock_do_ioctl+0x10/0x10
[   16.297757][  T260]  ? __pmd_alloc+0x7a1/0x7f0
[   16.298063][  T260]  ? lock_vma_under_rcu+0x36c/0x6b0
[   16.298388][  T260]  ? __lock_release+0xa8/0x170
[   16.298701][  T260]  sock_ioctl+0x3b4/0x590
[   16.298946][  T260]  ? __pfx_sock_ioctl+0x10/0x10
[   16.299248][  T260]  ? find_held_lock+0x2b/0x80
[   16.299563][  T260]  ? exc_page_fault+0x5d/0xc0
[   16.299875][  T260]  ? __lock_release+0x5d/0x170
[   16.300181][  T260]  ? exc_page_fault+0x5d/0xc0
[   16.300500][  T260]  __x64_sys_ioctl+0x11f/0x1a0
[   16.300812][  T260]  do_syscall_64+0xc1/0x380
[   16.301113][  T260]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   16.301496][  T260] RIP: 0033:0x7fc5e950ee4b
[   16.301819][  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
[   16.302883][  T260] RSP: 002b:00007ffda162efd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   16.303338][  T260] RAX: ffffffffffffffda RBX: 00007ffda162f338 RCX: 00007fc5e950ee4b
[   16.303785][  T260] RDX: 00007ffda162f030 RSI: 0000000000008922 RDI: 0000000000000007
[   16.304273][  T260] RBP: 00007ffda162f348 R08: 1999999999999999 R09: 0000000000000000
[   16.304769][  T260] R10: 00007fc5e95a9ac0 R11: 0000000000000246 R12: 00007ffda163097e
[   16.305266][  T260] R13: 00005592323f48f0 R14: 00007ffda162f030 R15: 00005592323ff8a2
[   16.305804][  T260]  </TASK>
[   16.306080][  T260] irq event stamp: 63449
[   16.306320][  T260] hardirqs last  enabled at (63459): [<ffffffff8900820b>] __up_console_sem+0x6b/0x80
[   16.307019][  T260] hardirqs last disabled at (63470): [<ffffffff890081f0>] __up_console_sem+0x50/0x80
[   16.307922][  T260] softirqs last  enabled at (63108): [<ffffffff88e8af38>] handle_softirqs+0x358/0x620
[   16.308705][  T260] softirqs last disabled at (63101): [<ffffffff88e8b38a>] __irq_exit_rcu+0xfa/0x160
[   16.309236][  T260] ---[ end trace 0000000000000000 ]---
[   18.941821][  T259] packetdrill (259) used greatest stack depth: 24368 bytes left