[   16.230693][  T226] packetdrill (226) used greatest stack depth: 24568 bytes left
[   16.515027][  T258] ------------[ cut here ]------------
[   16.515606][  T258] WARNING: CPU: 1 PID: 258 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext+0x27f/0x5c0
[   16.516495][  T258] Modules linked in:
[   16.516772][  T258] CPU: 1 UID: 0 PID: 258 Comm: ifconfig Not tainted 6.16.0-rc4-virtme #1 PREEMPT(full) 
[   16.517258][  T258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.517607][  T258] RIP: 0010:netif_set_mtu_ext+0x27f/0x5c0
[   16.517897][  T258] 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
[   16.518876][  T258] RSP: 0018:ffffc90000a17930 EFLAGS: 00010246
[   16.519247][  T258] RAX: 0000000000000000 RBX: ffff88800965c000 RCX: 0000000000000001
[   16.519666][  T258] RDX: 0000000000000000 RSI: ffffffff92a88ba1 RDI: ffffffff922555a0
[   16.520070][  T258] RBP: ffffc90000a17a18 R08: ffff88800965c008 R09: 0000000000000000
[   16.520481][  T258] R10: ffffc90000a17a48 R11: ffffffff93850068 R12: 1ffff92000142f2a
[   16.521204][  T258] R13: 00000000000005f0 R14: ffffc90000a17a48 R15: ffffc90000a17d40
[   16.521614][  T258] FS:  00007fd01c2cd740(0000) GS:ffff8880a1771000(0000) knlGS:0000000000000000
[   16.522109][  T258] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.522457][  T258] CR2: 000055aad78705e6 CR3: 000000000c6f7005 CR4: 0000000000772ef0
[   16.522866][  T258] PKRU: 55555554
[   16.523073][  T258] Call Trace:
[   16.523296][  T258]  <TASK>
[   16.523448][  T258]  ? __pfx_netif_set_mtu_ext+0x10/0x10
[   16.523739][  T258]  ? rcu_read_lock_any_held+0x43/0xb0
[   16.524027][  T258]  ? validate_chain+0x166/0x4d0
[   16.524320][  T258]  ? rcu_read_lock_any_held+0x43/0xb0
[   16.524592][  T258]  ? validate_chain+0x166/0x4d0
[   16.524867][  T258]  netif_set_mtu+0x88/0x100
[   16.525140][  T258]  ? __pfx_netif_set_mtu+0x10/0x10
[   16.525434][  T258]  ? rcu_is_watching+0x12/0xc0
[   16.525713][  T258]  dev_set_mtu+0xa0/0x150
[   16.525923][  T258]  dev_ifsioc+0xc6d/0x1610
[   16.526211][  T258]  ? __pfx_dev_ifsioc+0x10/0x10
[   16.526483][  T258]  ? __pfx___mutex_lock+0x10/0x10
[   16.526767][  T258]  ? find_held_lock+0x2b/0x80
[   16.527037][  T258]  ? dev_load+0x6a/0x180
[   16.527263][  T258]  ? __lock_release+0x5d/0x170
[   16.527549][  T258]  dev_ioctl+0x1cb/0xed0
[   16.527779][  T258]  sock_do_ioctl+0x16e/0x1e0
[   16.528068][  T258]  ? __pfx_sock_do_ioctl+0x10/0x10
[   16.528353][  T258]  ? __pmd_alloc+0x7a1/0x7f0
[   16.528634][  T258]  ? lock_vma_under_rcu+0x36c/0x6b0
[   16.528902][  T258]  ? __lock_release+0xa8/0x170
[   16.529190][  T258]  sock_ioctl+0x3b4/0x590
[   16.529398][  T258]  ? __pfx_sock_ioctl+0x10/0x10
[   16.529664][  T258]  ? find_held_lock+0x2b/0x80
[   16.529931][  T258]  ? exc_page_fault+0x5d/0xc0
[   16.530214][  T258]  ? __lock_release+0x5d/0x170
[   16.530487][  T258]  ? exc_page_fault+0x5d/0xc0
[   16.530760][  T258]  __x64_sys_ioctl+0x11f/0x1a0
[   16.531042][  T258]  do_syscall_64+0xc1/0x380
[   16.531338][  T258]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   16.531688][  T258] RIP: 0033:0x7fd01c3d3e4b
[   16.531978][  T258] 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
[   16.532962][  T258] RSP: 002b:00007fffc20e0ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   16.533386][  T258] RAX: ffffffffffffffda RBX: 00007fffc20e0e38 RCX: 00007fd01c3d3e4b
[   16.533792][  T258] RDX: 00007fffc20e0b30 RSI: 0000000000008922 RDI: 0000000000000007
[   16.534206][  T258] RBP: 00007fffc20e0e48 R08: 1999999999999999 R09: 0000000000000000
[   16.534613][  T258] R10: 00007fd01c46eac0 R11: 0000000000000246 R12: 00007fffc20e199c
[   16.535017][  T258] R13: 000055aad785f8f0 R14: 00007fffc20e0b30 R15: 000055aad786a8a2
[   16.535468][  T258]  </TASK>
[   16.535676][  T258] irq event stamp: 61403
[   16.535881][  T258] hardirqs last  enabled at (61411): [<ffffffff8f80820b>] __up_console_sem+0x6b/0x80
[   16.536366][  T258] hardirqs last disabled at (61420): [<ffffffff8f8081f0>] __up_console_sem+0x50/0x80
[   16.536836][  T258] softirqs last  enabled at (61392): [<ffffffff8f68af38>] handle_softirqs+0x358/0x620
[   16.537332][  T258] softirqs last disabled at (61371): [<ffffffff8f68b38a>] __irq_exit_rcu+0xfa/0x160
[   16.537814][  T258] ---[ end trace 0000000000000000 ]---