[ 15.847207][ T226] TCP: tun0: Driver has suspect GRO implementation, TCP performance may be compromised. [ 16.203912][ T258] ------------[ cut here ]------------ [ 16.204361][ T258] WARNING: CPU: 1 PID: 258 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext+0x27f/0x5c0 [ 16.204931][ T258] Modules linked in: [ 16.205222][ T258] CPU: 1 UID: 0 PID: 258 Comm: ifconfig Not tainted 6.16.0-rc4-virtme #1 PREEMPT(full) [ 16.205738][ T258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.206082][ T258] RIP: 0010:netif_set_mtu_ext+0x27f/0x5c0 [ 16.208014][ T258] 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 [ 16.209106][ T258] RSP: 0018:ffffc90000b67930 EFLAGS: 00010246 [ 16.209471][ T258] RAX: 0000000000000000 RBX: ffff88800b950000 RCX: 0000000000000001 [ 16.209879][ T258] RDX: 0000000000000000 RSI: ffffffffb5e88ba1 RDI: ffffffffb56555a0 [ 16.210390][ T258] RBP: ffffc90000b67a18 R08: ffff88800b950008 R09: 0000000000000000 [ 16.210807][ T258] R10: ffffc90000b67a48 R11: ffffffffb6c50068 R12: 1ffff9200016cf2a [ 16.211218][ T258] R13: 00000000000005f0 R14: ffffc90000b67a48 R15: ffffc90000b67d40 [ 16.211626][ T258] FS: 00007fd960994740(0000) GS:ffff88807e371000(0000) knlGS:0000000000000000 [ 16.212094][ T258] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 16.212440][ T258] CR2: 000055cec3f445e6 CR3: 000000000a203002 CR4: 0000000000772ef0 [ 16.212855][ T258] PKRU: 55555554 [ 16.213057][ T258] Call Trace: [ 16.213285][ T258] [ 16.213435][ T258] ? __pfx_netif_set_mtu_ext+0x10/0x10 [ 16.213713][ T258] ? rcu_read_lock_any_held+0x43/0xb0 [ 16.213988][ T258] ? validate_chain+0x166/0x4d0 [ 16.214275][ T258] ? rcu_read_lock_any_held+0x43/0xb0 [ 16.214544][ T258] ? validate_chain+0x166/0x4d0 [ 16.215031][ T258] netif_set_mtu+0x88/0x100 [ 16.215314][ T258] ? __pfx_netif_set_mtu+0x10/0x10 [ 16.215596][ T258] ? rcu_is_watching+0x12/0xc0 [ 16.215870][ T258] dev_set_mtu+0xa0/0x150 [ 16.216074][ T258] dev_ifsioc+0xc6d/0x1610 [ 16.216355][ T258] ? __pfx_dev_ifsioc+0x10/0x10 [ 16.216626][ T258] ? __pfx___mutex_lock+0x10/0x10 [ 16.216901][ T258] ? find_held_lock+0x2b/0x80 [ 16.217222][ T258] ? dev_load+0x6a/0x180 [ 16.217435][ T258] ? __lock_release+0x5d/0x170 [ 16.217714][ T258] dev_ioctl+0x1cb/0xed0 [ 16.217919][ T258] sock_do_ioctl+0x16e/0x1e0 [ 16.218206][ T258] ? __pfx_sock_do_ioctl+0x10/0x10 [ 16.218489][ T258] ? __pmd_alloc+0x7a1/0x7f0 [ 16.218761][ T258] ? lock_vma_under_rcu+0x36c/0x6b0 [ 16.219029][ T258] ? __lock_release+0xa8/0x170 [ 16.219321][ T258] sock_ioctl+0x3b4/0x590 [ 16.219527][ T258] ? __pfx_sock_ioctl+0x10/0x10 [ 16.219794][ T258] ? find_held_lock+0x2b/0x80 [ 16.220107][ T258] ? exc_page_fault+0x5d/0xc0 [ 16.220387][ T258] ? __lock_release+0x5d/0x170 [ 16.220661][ T258] ? exc_page_fault+0x5d/0xc0 [ 16.220934][ T258] __x64_sys_ioctl+0x11f/0x1a0 [ 16.221233][ T258] do_syscall_64+0xc1/0x380 [ 16.221513][ T258] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 16.221845][ T258] RIP: 0033:0x7fd960a9ae4b [ 16.222129][ 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 [ 16.223101][ T258] RSP: 002b:00007fffb3f4ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 16.223527][ T258] RAX: ffffffffffffffda RBX: 00007fffb3f502a8 RCX: 00007fd960a9ae4b [ 16.223933][ T258] RDX: 00007fffb3f4ffa0 RSI: 0000000000008922 RDI: 0000000000000007 [ 16.224359][ T258] RBP: 00007fffb3f502b8 R08: 1999999999999999 R09: 0000000000000000 [ 16.224767][ T258] R10: 00007fd960b35ac0 R11: 0000000000000246 R12: 00007fffb3f519bc [ 16.225193][ T258] R13: 000055cec3f338f0 R14: 00007fffb3f4ffa0 R15: 000055cec3f3e8a2 [ 16.225614][ T258] [ 16.225817][ T258] irq event stamp: 64791 [ 16.226019][ T258] hardirqs last enabled at (64799): [] __up_console_sem+0x6b/0x80 [ 16.226529][ T258] hardirqs last disabled at (64808): [] __up_console_sem+0x50/0x80 [ 16.226996][ T258] softirqs last enabled at (64772): [] handle_softirqs+0x358/0x620 [ 16.227477][ T258] softirqs last disabled at (64751): [] __irq_exit_rcu+0xfa/0x160 [ 16.227939][ T258] ---[ end trace 0000000000000000 ]---