[ 2.355558] gre: GRE over IPv4 demultiplexer driver [ 2.357217] ip_gre: GRE over IPv4 tunneling driver [ 2.382751] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.382845] #PF: supervisor write access in kernel mode [ 2.382895] #PF: error_code(0x0002) - not-present page [ 2.382947] PGD 67e4067 P4D 67e4067 PUD 67e3067 PMD 0 [ 2.383004] Oops: Oops: 0002 [#1] SMP [ 2.383053] CPU: 3 UID: 0 PID: 308 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.383150] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.383215] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.383281] 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 [ 2.383473] RSP: 0018:ffffb3a4802ab628 EFLAGS: 00010046 [ 2.383532] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 2.383608] RDX: ffffb3a4802ab660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.383696] RBP: ffffb3a4802ab660 R08: 0000000000000800 R09: 0000000000000002 [ 2.383772] R10: 0000000000000001 R11: 0000000000000008 R12: 0000000000000000 [ 2.383851] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.383928] FS: 00007f9055d7f800(0000) GS:ffffa0706655a000(0000) knlGS:0000000000000000 [ 2.384009] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.384078] CR2: 0000000000000000 CR3: 000000000668c005 CR4: 0000000000772ef0 [ 2.384156] PKRU: 55555554 [ 2.384187] Call Trace: [ 2.384216] [ 2.384250] __cancel_work+0x29/0xe0 [ 2.384301] ? dev_deactivate_many+0x2c9/0x300 [ 2.384360] __cancel_work_sync+0x16/0x80 [ 2.384405] __dev_close_many+0x11b/0x280 [ 2.384451] __dev_change_flags+0xed/0x220 [ 2.384495] netif_change_flags+0x25/0x60 [ 2.384539] dev_change_flags+0x40/0x80 [ 2.384582] cycle_netdev+0x36/0x70 [vrf] [ 2.384632] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.384677] do_set_master+0x10b/0x170 [ 2.384730] do_setlink.constprop.0+0x320/0x1120 [ 2.384788] ? __nla_validate_parse+0x5d/0xe70 [ 2.384848] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.384913] rtnl_newlink+0x7fa/0xbc0 [ 2.384960] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.385021] ? netdev_run_todo+0x63/0x550 [ 2.385066] ? rtnl_setlink+0x2c0/0x2c0 [ 2.385110] rtnetlink_rcv_msg+0x358/0x400 [ 2.385155] ? get_page_from_freelist+0x15b4/0x1770 [ 2.385213] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.385270] netlink_rcv_skb+0x57/0x100 [ 2.385322] netlink_unicast+0x252/0x380 [ 2.385372] ? __alloc_skb+0xfc/0x1e0 [ 2.385417] netlink_sendmsg+0x1be/0x3e0 [ 2.385456] ____sys_sendmsg+0x132/0x260 [ 2.385502] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.385563] ___sys_sendmsg+0x87/0xd0 [ 2.385609] ? do_wp_page+0x369/0xe90 [ 2.385663] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.385726] ? fsnotify_grab_connector+0x48/0x80 [ 2.385784] ? fsnotify_destroy_marks+0x29/0x150 [ 2.385835] __sys_sendmsg+0x71/0xd0 [ 2.385886] do_syscall_64+0xa4/0xfd0 [ 2.385932] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.385996] RIP: 0033:0x7f9055f4d1d7 [ 2.386041] 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 [ 2.386223] RSP: 002b:00007fff6347cb78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.386310] RAX: ffffffffffffffda RBX: 00007fff6347d2a0 RCX: 00007f9055f4d1d7 [ 2.386390] RDX: 0000000000000000 RSI: 00007fff6347cbe0 RDI: 0000000000000005 [ 2.386464] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 2.386541] R10: 000000001f838910 R11: 0000000000000246 R12: 0000000000000003 [ 2.386626] R13: 00000000691cd19d R14: 0000000000499600 R15: 0000000000000000 [ 2.386701] [ 2.386730] Modules linked in: ip_gre gre sch_ingress vrf veth [ 2.386805] CR2: 0000000000000000 [ 2.386851] ---[ end trace 0000000000000000 ]--- [ 2.386899] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.386958] 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 [ 2.387137] RSP: 0018:ffffb3a4802ab628 EFLAGS: 00010046 [ 2.387196] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 2.387272] RDX: ffffb3a4802ab660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.387349] RBP: ffffb3a4802ab660 R08: 0000000000000800 R09: 0000000000000002 [ 2.387427] R10: 0000000000000001 R11: 0000000000000008 R12: 0000000000000000 [ 2.387502] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.387580] FS: 00007f9055d7f800(0000) GS:ffffa0706655a000(0000) knlGS:0000000000000000 [ 2.387662] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.387732] CR2: 0000000000000000 CR3: 000000000668c005 CR4: 0000000000772ef0 [ 2.387810] PKRU: 55555554 [ 2.387833] note: ip[308] exited with irqs disabled [ 2.388285] ip (308) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr