[ 1.935334] ip (256) used greatest stack depth: 11912 bytes left [ 2.325568] 8021q: 802.1Q VLAN Support v1.8 [ 2.368692] gre: GRE over IPv4 demultiplexer driver [ 2.370190] ip_gre: GRE over IPv4 tunneling driver [ 2.586353] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.586423] #PF: supervisor write access in kernel mode [ 2.586460] #PF: error_code(0x0002) - not-present page [ 2.586490] PGD 398f067 P4D 398f067 PUD 3935067 PMD 0 [ 2.586526] Oops: Oops: 0002 [#1] SMP [ 2.586557] CPU: 2 UID: 0 PID: 337 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.586616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.586659] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.586706] 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 [ 2.586818] RSP: 0018:ffffa5a60034b628 EFLAGS: 00010046 [ 2.586853] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.586904] RDX: ffffa5a60034b660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.586957] RBP: ffffa5a60034b660 R08: ffffffffab062a60 R09: 0000000000000101 [ 2.587010] R10: ffffffffab8080d8 R11: ffffa5a600110ff8 R12: 0000000000000000 [ 2.587060] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.587110] FS: 00007fedcb200800(0000) GS:ffff991212cda000(0000) knlGS:0000000000000000 [ 2.587161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.587202] CR2: 0000000000000000 CR3: 00000000050e5004 CR4: 0000000000772ef0 [ 2.587254] PKRU: 55555554 [ 2.587274] Call Trace: [ 2.587290] [ 2.587312] __cancel_work+0x29/0xe0 [ 2.587341] ? dev_deactivate_many+0x2c9/0x300 [ 2.587377] __cancel_work_sync+0x16/0x80 [ 2.587413] __dev_close_many+0x11b/0x280 [ 2.587444] __dev_change_flags+0xed/0x220 [ 2.587472] netif_change_flags+0x25/0x60 [ 2.587501] dev_change_flags+0x40/0x80 [ 2.587525] cycle_netdev+0x36/0x70 [vrf] [ 2.587561] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.587584] do_set_master+0x10b/0x170 [ 2.587617] do_setlink.constprop.0+0x320/0x1120 [ 2.587652] ? __nla_validate_parse+0x5d/0xe70 [ 2.587692] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.587729] rtnl_newlink+0x7fa/0xbc0 [ 2.587756] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.587791] ? __rtnl_unlock+0x37/0x60 [ 2.587822] ? netdev_run_todo+0x63/0x550 [ 2.587850] ? rtnl_setlink+0x2c0/0x2c0 [ 2.587878] rtnetlink_rcv_msg+0x358/0x400 [ 2.587907] ? get_page_from_freelist+0x15b4/0x1770 [ 2.587945] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.587981] netlink_rcv_skb+0x57/0x100 [ 2.588012] netlink_unicast+0x252/0x380 [ 2.588046] ? __alloc_skb+0xfc/0x1e0 [ 2.588077] netlink_sendmsg+0x1be/0x3e0 [ 2.588105] ____sys_sendmsg+0x132/0x260 [ 2.588139] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.588176] ___sys_sendmsg+0x87/0xd0 [ 2.588213] ? ___sys_recvmsg+0x87/0xc0 [ 2.588242] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.588282] ? fsnotify_grab_connector+0x48/0x80 [ 2.588320] ? fsnotify_destroy_marks+0x29/0x150 [ 2.588356] __sys_sendmsg+0x71/0xd0 [ 2.588386] do_syscall_64+0xa4/0xfd0 [ 2.588421] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.588458] RIP: 0033:0x7fedcb3ce1d7 [ 2.588489] 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 [ 2.588616] RSP: 002b:00007ffc362f2278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.588673] RAX: ffffffffffffffda RBX: 00007ffc362f29a0 RCX: 00007fedcb3ce1d7 [ 2.588717] RDX: 0000000000000000 RSI: 00007ffc362f22e0 RDI: 0000000000000005 [ 2.588764] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 2.588808] R10: 0000000031eaa910 R11: 0000000000000246 R12: 0000000000000004 [ 2.588854] R13: 00000000691cc5d8 R14: 0000000000499600 R15: 0000000000000000 [ 2.588900] [ 2.588920] Modules linked in: ip_gre gre 8021q vrf veth [ 2.588961] CR2: 0000000000000000 [ 2.588991] ---[ end trace 0000000000000000 ]--- [ 2.589028] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.589071] 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 [ 2.589184] RSP: 0018:ffffa5a60034b628 EFLAGS: 00010046 [ 2.589224] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.589277] RDX: ffffa5a60034b660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.589331] RBP: ffffa5a60034b660 R08: ffffffffab062a60 R09: 0000000000000101 [ 2.589375] R10: ffffffffab8080d8 R11: ffffa5a600110ff8 R12: 0000000000000000 [ 2.589431] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.589479] FS: 00007fedcb200800(0000) GS:ffff991212cda000(0000) knlGS:0000000000000000 [ 2.589536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.589577] CR2: 0000000000000000 CR3: 00000000050e5004 CR4: 0000000000772ef0 [ 2.589625] PKRU: 55555554 [ 2.589645] note: ip[337] exited with irqs disabled [ 2.589857] ip (337) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr