[ 1.833227] ip (248) used greatest stack depth: 12344 bytes left [ 2.001839] ip (255) used greatest stack depth: 12328 bytes left [ 2.386838] 8021q: 802.1Q VLAN Support v1.8 [ 2.423194] gre: GRE over IPv4 demultiplexer driver [ 2.424798] ip_gre: GRE over IPv4 tunneling driver [ 2.627796] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.627880] #PF: supervisor write access in kernel mode [ 2.627932] #PF: error_code(0x0002) - not-present page [ 2.627977] PGD 7430067 P4D 7430067 PUD 6be0067 PMD 0 [ 2.628032] Oops: Oops: 0002 [#1] SMP [ 2.628070] CPU: 0 UID: 0 PID: 335 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.628158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.628218] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.628283] 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 [ 2.628456] RSP: 0018:ffffb4bd80313628 EFLAGS: 00010046 [ 2.628505] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.628580] RDX: ffffb4bd80313660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.628656] RBP: ffffb4bd80313660 R08: ffffffff97262a60 R09: 0000000000000101 [ 2.628732] R10: ffffffff97a080d8 R11: ffffb4bd80003ff8 R12: 0000000000000000 [ 2.628805] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.628882] FS: 00007fbce2817800(0000) GS:ffff928b269da000(0000) knlGS:0000000000000000 [ 2.628954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.629016] CR2: 0000000000000000 CR3: 0000000007437005 CR4: 0000000000772ef0 [ 2.629092] PKRU: 55555554 [ 2.629117] Call Trace: [ 2.629145] [ 2.629171] __cancel_work+0x29/0xe0 [ 2.629212] ? dev_deactivate_many+0x2c9/0x300 [ 2.629270] __cancel_work_sync+0x16/0x80 [ 2.629308] __dev_close_many+0x11b/0x280 [ 2.629350] __dev_change_flags+0xed/0x220 [ 2.629383] netif_change_flags+0x25/0x60 [ 2.629426] dev_change_flags+0x40/0x80 [ 2.629464] cycle_netdev+0x36/0x70 [vrf] [ 2.629503] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.629537] do_set_master+0x10b/0x170 [ 2.629582] do_setlink.constprop.0+0x320/0x1120 [ 2.629632] ? __nla_validate_parse+0x5d/0xe70 [ 2.629686] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.629741] rtnl_newlink+0x7fa/0xbc0 [ 2.629773] ? virtio_fs_enqueue_req+0x32c/0x570 [ 2.629827] ? __rtnl_unlock+0x37/0x60 [ 2.629865] ? netdev_run_todo+0x63/0x550 [ 2.629901] ? rtnl_setlink+0x2c0/0x2c0 [ 2.629946] rtnetlink_rcv_msg+0x358/0x400 [ 2.629983] ? get_page_from_freelist+0x15b4/0x1770 [ 2.630041] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.630091] netlink_rcv_skb+0x57/0x100 [ 2.630130] netlink_unicast+0x252/0x380 [ 2.630165] ? __alloc_skb+0xfc/0x1e0 [ 2.630201] netlink_sendmsg+0x1be/0x3e0 [ 2.630240] ____sys_sendmsg+0x132/0x260 [ 2.630277] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.630326] ___sys_sendmsg+0x87/0xd0 [ 2.630365] ? ___sys_recvmsg+0x87/0xc0 [ 2.630402] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.630450] ? fsnotify_grab_connector+0x48/0x80 [ 2.630500] ? fsnotify_destroy_marks+0x29/0x150 [ 2.630550] __sys_sendmsg+0x71/0xd0 [ 2.630588] do_syscall_64+0xa4/0xfd0 [ 2.630635] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.630683] RIP: 0033:0x7fbce29e51d7 [ 2.630717] 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 [ 2.630892] RSP: 002b:00007fffa4d78b48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.630968] RAX: ffffffffffffffda RBX: 00007fffa4d79270 RCX: 00007fbce29e51d7 [ 2.631041] RDX: 0000000000000000 RSI: 00007fffa4d78bb0 RDI: 0000000000000005 [ 2.631116] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 2.631190] R10: 000000002bb4c910 R11: 0000000000000246 R12: 0000000000000004 [ 2.631258] R13: 00000000691cd95c R14: 0000000000499600 R15: 0000000000000000 [ 2.631337] [ 2.631361] Modules linked in: ip_gre gre 8021q vrf veth [ 2.631418] CR2: 0000000000000000 [ 2.631453] ---[ end trace 0000000000000000 ]--- [ 2.631506] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.631555] 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 [ 2.631725] RSP: 0018:ffffb4bd80313628 EFLAGS: 00010046 [ 2.631774] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.631848] RDX: ffffb4bd80313660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.631922] RBP: ffffb4bd80313660 R08: ffffffff97262a60 R09: 0000000000000101 [ 2.632004] R10: ffffffff97a080d8 R11: ffffb4bd80003ff8 R12: 0000000000000000 [ 2.632084] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.632159] FS: 00007fbce2817800(0000) GS:ffff928b269da000(0000) knlGS:0000000000000000 [ 2.632234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.632296] CR2: 0000000000000000 CR3: 0000000007437005 CR4: 0000000000772ef0 [ 2.632371] PKRU: 55555554 [ 2.632394] note: ip[335] exited with irqs disabled [ 2.632577] ip (335) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr