[ 1.757470] ip (247) used greatest stack depth: 12344 bytes left [ 1.929634] ip (262) used greatest stack depth: 12328 bytes left [ 2.263027] gre: GRE over IPv4 demultiplexer driver [ 2.264865] ip_gre: GRE over IPv4 tunneling driver [ 2.290959] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.291023] #PF: supervisor write access in kernel mode [ 2.291063] #PF: error_code(0x0002) - not-present page [ 2.291099] PGD 6342067 P4D 6342067 PUD 6343067 PMD 0 [ 2.291134] Oops: Oops: 0002 [#1] SMP [ 2.291163] CPU: 1 UID: 0 PID: 308 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.291222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.291276] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.291319] 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 [ 2.291431] RSP: 0018:ffff98a6c0313628 EFLAGS: 00010046 [ 2.291476] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 2.291529] RDX: ffff98a6c0313660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.291582] RBP: ffff98a6c0313660 R08: 0000000000000800 R09: 0000000000000001 [ 2.291651] R10: 0000000000000001 R11: 0000000000000008 R12: 0000000000000000 [ 2.291699] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.291749] FS: 00007ff04915f800(0000) GS:ffff8b608e85a000(0000) knlGS:0000000000000000 [ 2.291803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.291842] CR2: 0000000000000000 CR3: 0000000001b86004 CR4: 0000000000772ef0 [ 2.291898] PKRU: 55555554 [ 2.291919] Call Trace: [ 2.291937] [ 2.291961] __cancel_work+0x29/0xe0 [ 2.291999] ? dev_deactivate_many+0x2c9/0x300 [ 2.292041] __cancel_work_sync+0x16/0x80 [ 2.292076] __dev_close_many+0x11b/0x280 [ 2.292119] __dev_change_flags+0xed/0x220 [ 2.292152] netif_change_flags+0x25/0x60 [ 2.292182] dev_change_flags+0x40/0x80 [ 2.292213] cycle_netdev+0x36/0x70 [vrf] [ 2.292243] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.292280] do_set_master+0x10b/0x170 [ 2.292314] do_setlink.constprop.0+0x320/0x1120 [ 2.292352] ? __nla_validate_parse+0x5d/0xe70 [ 2.292392] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.292434] rtnl_newlink+0x7fa/0xbc0 [ 2.292464] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.292501] ? netdev_run_todo+0x63/0x550 [ 2.292531] ? rtnl_setlink+0x2c0/0x2c0 [ 2.292569] rtnetlink_rcv_msg+0x358/0x400 [ 2.292600] ? get_page_from_freelist+0x15b4/0x1770 [ 2.292645] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.292683] netlink_rcv_skb+0x57/0x100 [ 2.292708] netlink_unicast+0x252/0x380 [ 2.292737] ? __alloc_skb+0xfc/0x1e0 [ 2.292768] netlink_sendmsg+0x1be/0x3e0 [ 2.292798] ____sys_sendmsg+0x132/0x260 [ 2.292828] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.292866] ___sys_sendmsg+0x87/0xd0 [ 2.292897] ? do_wp_page+0x369/0xe90 [ 2.292926] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.292964] ? fsnotify_grab_connector+0x48/0x80 [ 2.293001] ? fsnotify_destroy_marks+0x29/0x150 [ 2.293039] __sys_sendmsg+0x71/0xd0 [ 2.293071] do_syscall_64+0xa4/0xfd0 [ 2.293112] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.293150] RIP: 0033:0x7ff04932d1d7 [ 2.293174] 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 [ 2.293293] RSP: 002b:00007ffcd79c31e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.293347] RAX: ffffffffffffffda RBX: 00007ffcd79c3910 RCX: 00007ff04932d1d7 [ 2.293395] RDX: 0000000000000000 RSI: 00007ffcd79c3250 RDI: 0000000000000005 [ 2.293442] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 2.293492] R10: 000000000922c910 R11: 0000000000000246 R12: 0000000000000003 [ 2.293546] R13: 00000000691cc063 R14: 0000000000499600 R15: 0000000000000000 [ 2.293607] [ 2.293628] Modules linked in: ip_gre gre sch_ingress vrf veth [ 2.293675] CR2: 0000000000000000 [ 2.293705] ---[ end trace 0000000000000000 ]--- [ 2.293743] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.293781] 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 [ 2.293907] RSP: 0018:ffff98a6c0313628 EFLAGS: 00010046 [ 2.293940] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 2.293988] RDX: ffff98a6c0313660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.294038] RBP: ffff98a6c0313660 R08: 0000000000000800 R09: 0000000000000001 [ 2.294092] R10: 0000000000000001 R11: 0000000000000008 R12: 0000000000000000 [ 2.294146] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.294197] FS: 00007ff04915f800(0000) GS:ffff8b608e85a000(0000) knlGS:0000000000000000 [ 2.294251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.294302] CR2: 0000000000000000 CR3: 0000000001b86004 CR4: 0000000000772ef0 [ 2.294349] PKRU: 55555554 [ 2.294364] note: ip[308] exited with irqs disabled [ 2.294694] ip (308) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr