[ 2.403291] gre: GRE over IPv4 demultiplexer driver [ 2.404829] ip_gre: GRE over IPv4 tunneling driver [ 2.434436] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.434522] #PF: supervisor write access in kernel mode [ 2.434567] #PF: error_code(0x0002) - not-present page [ 2.434621] PGD 6a44067 P4D 6a44067 PUD 6a42067 PMD 0 [ 2.434674] Oops: Oops: 0002 [#1] SMP [ 2.434716] CPU: 3 UID: 0 PID: 309 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.434800] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.434864] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.434921] Code: 83 e6 01 41 57 41 56 4c 8d 77 20 41 55 41 54 41 89 f4 55 48 89 d5 53 48 89 fb 9c 58 fa 48 89 45 00 45 85 e4 0f 85 8a 00 00 00 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41 [ 2.435093] RSP: 0018:ffffa5fb80283628 EFLAGS: 00010046 [ 2.435139] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 2.435216] RDX: ffffa5fb80283660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.435294] RBP: ffffa5fb80283660 R08: 0000000000000000 R09: 0000000000000001 [ 2.435362] R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000000000 [ 2.435432] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.435512] FS: 00007fb5e0a46800(0000) GS:ffff9876a295a000(0000) knlGS:0000000000000000 [ 2.435593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.435654] CR2: 0000000000000000 CR3: 0000000004d8c004 CR4: 0000000000772ef0 [ 2.435727] PKRU: 55555554 [ 2.435756] Call Trace: [ 2.435788] [ 2.435818] __cancel_work+0x29/0xe0 [ 2.435858] ? dev_deactivate_many+0x2c9/0x300 [ 2.435912] __cancel_work_sync+0x16/0x80 [ 2.435955] __dev_close_many+0x11b/0x280 [ 2.435996] __dev_change_flags+0xed/0x220 [ 2.436040] netif_change_flags+0x25/0x60 [ 2.436083] dev_change_flags+0x40/0x80 [ 2.436125] cycle_netdev+0x36/0x70 [vrf] [ 2.436168] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.436209] do_set_master+0x10b/0x170 [ 2.436255] do_setlink.constprop.0+0x320/0x1120 [ 2.436311] ? __nla_validate_parse+0x5d/0xe70 [ 2.436368] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.436424] rtnl_newlink+0x7fa/0xbc0 [ 2.436465] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.436522] ? netdev_run_todo+0x63/0x550 [ 2.436563] ? rtnl_setlink+0x2c0/0x2c0 [ 2.436603] rtnetlink_rcv_msg+0x358/0x400 [ 2.436645] ? get_page_from_freelist+0x15b4/0x1770 [ 2.436697] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.436752] netlink_rcv_skb+0x57/0x100 [ 2.436794] netlink_unicast+0x252/0x380 [ 2.436841] ? __alloc_skb+0xfc/0x1e0 [ 2.436881] netlink_sendmsg+0x1be/0x3e0 [ 2.436923] ____sys_sendmsg+0x132/0x260 [ 2.436965] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.437021] ___sys_sendmsg+0x87/0xd0 [ 2.437065] ? do_wp_page+0x369/0xe90 [ 2.437110] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.437163] ? fsnotify_grab_connector+0x48/0x80 [ 2.437216] ? fsnotify_destroy_marks+0x29/0x150 [ 2.437269] __sys_sendmsg+0x71/0xd0 [ 2.437311] do_syscall_64+0xa4/0xfd0 [ 2.437351] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.437403] RIP: 0033:0x7fb5e0c141d7 [ 2.437444] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 2.437609] RSP: 002b:00007fff03d1c938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.437685] RAX: ffffffffffffffda RBX: 00007fff03d1d060 RCX: 00007fb5e0c141d7 [ 2.437753] RDX: 0000000000000000 RSI: 00007fff03d1c9a0 RDI: 0000000000000005 [ 2.437830] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 2.437905] R10: 0000000034dc3910 R11: 0000000000000246 R12: 0000000000000003 [ 2.437975] R13: 00000000691cbe15 R14: 0000000000499600 R15: 0000000000000000 [ 2.438045] [ 2.438074] Modules linked in: ip_gre gre sch_ingress vrf veth [ 2.438143] CR2: 0000000000000000 [ 2.438183] ---[ end trace 0000000000000000 ]--- [ 2.438236] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.438293] Code: 83 e6 01 41 57 41 56 4c 8d 77 20 41 55 41 54 41 89 f4 55 48 89 d5 53 48 89 fb 9c 58 fa 48 89 45 00 45 85 e4 0f 85 8a 00 00 00 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41 [ 2.438450] RSP: 0018:ffffa5fb80283628 EFLAGS: 00010046 [ 2.438505] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 2.438573] RDX: ffffa5fb80283660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.438642] RBP: ffffa5fb80283660 R08: 0000000000000000 R09: 0000000000000001 [ 2.438720] R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000000000 [ 2.438789] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.438862] FS: 00007fb5e0a46800(0000) GS:ffff9876a295a000(0000) knlGS:0000000000000000 [ 2.438939] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.439002] CR2: 0000000000000000 CR3: 0000000004d8c004 CR4: 0000000000772ef0 [ 2.439073] PKRU: 55555554 [ 2.439104] note: ip[309] exited with irqs disabled [ 2.439659] ip (309) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr