[   17.318594][  T261] ------------[ cut here ]------------
[   17.319057][  T261] WARNING: CPU: 1 PID: 261 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext+0x27f/0x5c0
[   17.321216][  T261] Modules linked in:
[   17.321523][  T261] CPU: 1 UID: 0 PID: 261 Comm: ifconfig Not tainted 6.16.0-rc4-virtme #1 PREEMPT(full) 
[   17.322038][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.322837][  T261] RIP: 0010:netif_set_mtu_ext+0x27f/0x5c0
[   17.323173][  T261] 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
[   17.324233][  T261] RSP: 0018:ffffc90000b87930 EFLAGS: 00010246
[   17.324617][  T261] RAX: 0000000000000000 RBX: ffff88800a210000 RCX: 0000000000000001
[   17.325088][  T261] RDX: 0000000000000000 RSI: ffffffff9f488ba1 RDI: ffffffff9ec555a0
[   17.325537][  T261] RBP: ffffc90000b87a18 R08: ffff88800a210008 R09: 0000000000000000
[   17.325998][  T261] R10: ffffc90000b87a48 R11: ffffffffa0250068 R12: 1ffff92000170f2a
[   17.326457][  T261] R13: 00000000000005f0 R14: ffffc90000b87a48 R15: ffffc90000b87d40
[   17.326914][  T261] FS:  00007f89d90c2740(0000) GS:ffff888094d71000(0000) knlGS:0000000000000000
[   17.327438][  T261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.327815][  T261] CR2: 000055fbc0d3d5e6 CR3: 00000000092b4004 CR4: 0000000000772ef0
[   17.328261][  T261] PKRU: 55555554
[   17.328479][  T261] Call Trace:
[   17.328706][  T261]  <TASK>
[   17.328871][  T261]  ? __pfx_netif_set_mtu_ext+0x10/0x10
[   17.329186][  T261]  ? rcu_read_lock_any_held+0x43/0xb0
[   17.329478][  T261]  ? validate_chain+0x166/0x4d0
[   17.329784][  T261]  ? rcu_read_lock_any_held+0x43/0xb0
[   17.330086][  T261]  ? validate_chain+0x166/0x4d0
[   17.330383][  T261]  netif_set_mtu+0x88/0x100
[   17.330686][  T261]  ? __pfx_netif_set_mtu+0x10/0x10
[   17.330997][  T261]  ? rcu_is_watching+0x12/0xc0
[   17.331315][  T261]  dev_set_mtu+0xa0/0x150
[   17.331531][  T261]  dev_ifsioc+0xc6d/0x1610
[   17.332082][  T261]  ? __pfx_dev_ifsioc+0x10/0x10
[   17.332389][  T261]  ? __pfx___mutex_lock+0x10/0x10
[   17.332682][  T261]  ? find_held_lock+0x2b/0x80
[   17.332984][  T261]  ? dev_load+0x6a/0x180
[   17.333212][  T261]  ? __lock_release+0x5d/0x170
[   17.333507][  T261]  dev_ioctl+0x1cb/0xed0
[   17.333732][  T261]  sock_do_ioctl+0x16e/0x1e0
[   17.334043][  T261]  ? __pfx_sock_do_ioctl+0x10/0x10
[   17.334352][  T261]  ? __pmd_alloc+0x7a1/0x7f0
[   17.334638][  T261]  ? lock_vma_under_rcu+0x36c/0x6b0
[   17.334938][  T261]  ? __lock_release+0xa8/0x170
[   17.335266][  T261]  sock_ioctl+0x3b4/0x590
[   17.335483][  T261]  ? __pfx_sock_ioctl+0x10/0x10
[   17.335781][  T261]  ? find_held_lock+0x2b/0x80
[   17.336077][  T261]  ? exc_page_fault+0x5d/0xc0
[   17.336395][  T261]  ? __lock_release+0x5d/0x170
[   17.336684][  T261]  ? exc_page_fault+0x5d/0xc0
[   17.336990][  T261]  __x64_sys_ioctl+0x11f/0x1a0
[   17.337293][  T261]  do_syscall_64+0xc1/0x380
[   17.337582][  T261]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   17.337970][  T261] RIP: 0033:0x7f89d91c8e4b
[   17.338308][  T261] 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
[   17.339362][  T261] RSP: 002b:00007fff10112148 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   17.339809][  T261] RAX: ffffffffffffffda RBX: 00007fff101124a8 RCX: 00007f89d91c8e4b
[   17.340262][  T261] RDX: 00007fff101121a0 RSI: 0000000000008922 RDI: 0000000000000007
[   17.340691][  T261] RBP: 00007fff101124b8 R08: 1999999999999999 R09: 0000000000000000
[   17.341139][  T261] R10: 00007f89d9263ac0 R11: 0000000000000246 R12: 00007fff10112994
[   17.341576][  T261] R13: 000055fbc0d2c8f0 R14: 00007fff101121a0 R15: 000055fbc0d378a2
[   17.342024][  T261]  </TASK>
[   17.342259][  T261] irq event stamp: 63445
[   17.342474][  T261] hardirqs last  enabled at (63453): [<ffffffff9c20820b>] __up_console_sem+0x6b/0x80
[   17.342968][  T261] hardirqs last disabled at (63460): [<ffffffff9c2081f0>] __up_console_sem+0x50/0x80
[   17.343503][  T261] softirqs last  enabled at (62976): [<ffffffff9c08af38>] handle_softirqs+0x358/0x620
[   17.344005][  T261] softirqs last disabled at (62961): [<ffffffff9c08b38a>] __irq_exit_rcu+0xfa/0x160
[   17.344575][  T261] ---[ end trace 0000000000000000 ]---
[   20.806589][  T260] packetdrill (260) used greatest stack depth: 24848 bytes left