[ 2.352975] gre: GRE over IPv4 demultiplexer driver [ 2.354522] ip_gre: GRE over IPv4 tunneling driver [ 2.379897] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.379979] #PF: supervisor write access in kernel mode [ 2.380021] #PF: error_code(0x0002) - not-present page [ 2.380060] PGD 6e58067 P4D 6e58067 PUD 6e59067 PMD 0 [ 2.380113] Oops: Oops: 0002 [#1] SMP [ 2.380150] CPU: 2 UID: 0 PID: 308 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.380229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.380284] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.380340] 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 [ 2.380489] RSP: 0018:ffffadacc029b628 EFLAGS: 00010046 [ 2.380535] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 2.380597] RDX: ffffadacc029b660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.380656] RBP: ffffadacc029b660 R08: 0000000000000400 R09: 0000000000000001 [ 2.380719] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 2.380781] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.380850] FS: 00007fe61adf2800(0000) GS:ffff9c41ceeda000(0000) knlGS:0000000000000000 [ 2.380914] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.380972] CR2: 0000000000000000 CR3: 0000000006e5f005 CR4: 0000000000772ef0 [ 2.381044] PKRU: 55555554 [ 2.381072] Call Trace: [ 2.381096] [ 2.381122] __cancel_work+0x29/0xe0 [ 2.381161] ? dev_deactivate_many+0x2c9/0x300 [ 2.381209] __cancel_work_sync+0x16/0x80 [ 2.381250] __dev_close_many+0x11b/0x280 [ 2.381294] __dev_change_flags+0xed/0x220 [ 2.381332] netif_change_flags+0x25/0x60 [ 2.381370] dev_change_flags+0x40/0x80 [ 2.381407] cycle_netdev+0x36/0x70 [vrf] [ 2.381445] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.381482] do_set_master+0x10b/0x170 [ 2.381524] do_setlink.constprop.0+0x320/0x1120 [ 2.381573] ? __nla_validate_parse+0x5d/0xe70 [ 2.381629] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.381683] rtnl_newlink+0x7fa/0xbc0 [ 2.381719] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.381766] ? netdev_run_todo+0x63/0x550 [ 2.381807] ? rtnl_setlink+0x2c0/0x2c0 [ 2.381843] rtnetlink_rcv_msg+0x358/0x400 [ 2.381875] ? get_page_from_freelist+0x15b4/0x1770 [ 2.381924] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.381969] netlink_rcv_skb+0x57/0x100 [ 2.382011] netlink_unicast+0x252/0x380 [ 2.382048] ? __alloc_skb+0xfc/0x1e0 [ 2.382085] netlink_sendmsg+0x1be/0x3e0 [ 2.382124] ____sys_sendmsg+0x132/0x260 [ 2.382163] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.382212] ___sys_sendmsg+0x87/0xd0 [ 2.382248] ? do_wp_page+0x369/0xe90 [ 2.382285] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.382334] ? fsnotify_grab_connector+0x48/0x80 [ 2.382380] ? fsnotify_destroy_marks+0x29/0x150 [ 2.382426] __sys_sendmsg+0x71/0xd0 [ 2.382463] do_syscall_64+0xa4/0xfd0 [ 2.382504] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.382550] RIP: 0033:0x7fe61afc01d7 [ 2.382583] 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 [ 2.382729] RSP: 002b:00007fff457f4ff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.382794] RAX: ffffffffffffffda RBX: 00007fff457f5720 RCX: 00007fe61afc01d7 [ 2.382856] RDX: 0000000000000000 RSI: 00007fff457f5060 RDI: 0000000000000005 [ 2.382915] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 2.382977] R10: 000000002beca910 R11: 0000000000000246 R12: 0000000000000003 [ 2.383037] R13: 00000000691cbedb R14: 0000000000499600 R15: 0000000000000000 [ 2.383099] [ 2.383124] Modules linked in: ip_gre gre sch_ingress vrf veth [ 2.383181] CR2: 0000000000000000 [ 2.383217] ---[ end trace 0000000000000000 ]--- [ 2.383262] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.383310] 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 [ 2.383457] RSP: 0018:ffffadacc029b628 EFLAGS: 00010046 [ 2.383508] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 2.383576] RDX: ffffadacc029b660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.383636] RBP: ffffadacc029b660 R08: 0000000000000400 R09: 0000000000000001 [ 2.383698] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 2.383757] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.383827] FS: 00007fe61adf2800(0000) GS:ffff9c41ceeda000(0000) knlGS:0000000000000000 [ 2.383892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.383947] CR2: 0000000000000000 CR3: 0000000006e5f005 CR4: 0000000000772ef0 [ 2.384013] PKRU: 55555554 [ 2.384037] note: ip[308] exited with irqs disabled [ 2.384315] ip (308) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr