[ 2.463854] gre: GRE over IPv4 demultiplexer driver [ 2.465454] ip_gre: GRE over IPv4 tunneling driver [ 2.487928] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.488009] #PF: supervisor write access in kernel mode [ 2.488057] #PF: error_code(0x0002) - not-present page [ 2.488091] PGD 6c5b067 P4D 6c5b067 PUD 6c5a067 PMD 0 [ 2.488139] Oops: Oops: 0002 [#1] SMP [ 2.488169] CPU: 3 UID: 0 PID: 309 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.488232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.488276] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.488323] 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 [ 2.488449] RSP: 0018:ffffb312c02c3628 EFLAGS: 00010046 [ 2.488482] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 2.488538] RDX: ffffb312c02c3660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.488601] RBP: ffffb312c02c3660 R08: 0000000000000400 R09: 0000000000000001 [ 2.488666] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 2.488719] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.488776] FS: 00007fe001079800(0000) GS:ffff9b5bae75a000(0000) knlGS:0000000000000000 [ 2.488849] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.488896] CR2: 0000000000000000 CR3: 0000000006c64004 CR4: 0000000000772ef0 [ 2.488953] PKRU: 55555554 [ 2.488982] Call Trace: [ 2.489001] [ 2.489025] __cancel_work+0x29/0xe0 [ 2.489058] ? dev_deactivate_many+0x2c9/0x300 [ 2.489102] __cancel_work_sync+0x16/0x80 [ 2.489141] __dev_close_many+0x11b/0x280 [ 2.489182] __dev_change_flags+0xed/0x220 [ 2.489216] netif_change_flags+0x25/0x60 [ 2.489247] dev_change_flags+0x40/0x80 [ 2.489273] cycle_netdev+0x36/0x70 [vrf] [ 2.489304] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.489331] do_set_master+0x10b/0x170 [ 2.489364] do_setlink.constprop.0+0x320/0x1120 [ 2.489413] ? __nla_validate_parse+0x5d/0xe70 [ 2.489451] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.489495] rtnl_newlink+0x7fa/0xbc0 [ 2.489528] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.489574] ? netdev_run_todo+0x63/0x550 [ 2.489606] ? rtnl_setlink+0x2c0/0x2c0 [ 2.489647] rtnetlink_rcv_msg+0x358/0x400 [ 2.489678] ? get_page_from_freelist+0x15b4/0x1770 [ 2.489716] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.489755] netlink_rcv_skb+0x57/0x100 [ 2.489794] netlink_unicast+0x252/0x380 [ 2.489826] ? __alloc_skb+0xfc/0x1e0 [ 2.489857] netlink_sendmsg+0x1be/0x3e0 [ 2.489883] ____sys_sendmsg+0x132/0x260 [ 2.489914] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.489953] ___sys_sendmsg+0x87/0xd0 [ 2.489994] ? do_wp_page+0x369/0xe90 [ 2.490025] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.490064] ? fsnotify_grab_connector+0x48/0x80 [ 2.490112] ? fsnotify_destroy_marks+0x29/0x150 [ 2.490155] __sys_sendmsg+0x71/0xd0 [ 2.490187] do_syscall_64+0xa4/0xfd0 [ 2.490220] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.490260] RIP: 0033:0x7fe0012471d7 [ 2.490299] 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 [ 2.490427] RSP: 002b:00007ffdd4045b08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.490487] RAX: ffffffffffffffda RBX: 00007ffdd4046230 RCX: 00007fe0012471d7 [ 2.490543] RDX: 0000000000000000 RSI: 00007ffdd4045b70 RDI: 0000000000000005 [ 2.490602] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 2.490668] R10: 0000000003e4e910 R11: 0000000000000246 R12: 0000000000000003 [ 2.490722] R13: 00000000691cc07f R14: 0000000000499600 R15: 0000000000000000 [ 2.490778] [ 2.490807] Modules linked in: ip_gre gre sch_ingress vrf veth [ 2.490861] CR2: 0000000000000000 [ 2.490886] ---[ end trace 0000000000000000 ]--- [ 2.490921] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.490964] 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 [ 2.491097] RSP: 0018:ffffb312c02c3628 EFLAGS: 00010046 [ 2.491141] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 2.491194] RDX: ffffb312c02c3660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.491244] RBP: ffffb312c02c3660 R08: 0000000000000400 R09: 0000000000000001 [ 2.491309] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 2.491357] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.491414] FS: 00007fe001079800(0000) GS:ffff9b5bae75a000(0000) knlGS:0000000000000000 [ 2.491468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.491510] CR2: 0000000000000000 CR3: 0000000006c64004 CR4: 0000000000772ef0 [ 2.491562] PKRU: 55555554 [ 2.491583] note: ip[309] exited with irqs disabled [ 2.491801] ip (309) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr