[ 17.976322] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 17.976415] #PF: supervisor write access in kernel mode [ 17.976464] #PF: error_code(0x0002) - not-present page [ 17.976506] PGD 6393067 P4D 6393067 PUD 62d8067 PMD 0 [ 17.976563] Oops: Oops: 0002 [#1] SMP [ 17.976610] CPU: 0 UID: 0 PID: 610 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 17.976718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.976794] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 17.976873] 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 [ 17.977065] RSP: 0018:ffff9d4fc0ac36b8 EFLAGS: 00010046 [ 17.977107] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 17.977190] RDX: ffff9d4fc0ac36f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 17.977270] RBP: ffff9d4fc0ac36f0 R08: ffff8e1441393673 R09: ffffffffba66cc80 [ 17.977349] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 17.977431] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 17.977517] FS: 00007fdb1d033800(0000) GS:ffff8e14c3dda000(0000) knlGS:0000000000000000 [ 17.977606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.977661] CR2: 0000000000000000 CR3: 000000000632a003 CR4: 0000000000772ef0 [ 17.977745] PKRU: 55555554 [ 17.977771] Call Trace: [ 17.977800] [ 17.977828] __cancel_work+0x29/0xe0 [ 17.977876] ? linkwatch_urgent_event+0x2f/0xb0 [ 17.977947] __cancel_work_sync+0x16/0x80 [ 17.977996] __dev_close_many+0x11b/0x280 [ 17.978045] __dev_change_flags+0xed/0x220 [ 17.978086] netif_change_flags+0x25/0x60 [ 17.978126] do_setlink.constprop.0+0x2fe/0x1120 [ 17.978181] ? __nla_validate_parse+0x5d/0xe70 [ 17.978242] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 17.978306] rtnl_newlink+0x7fa/0xbc0 [ 17.978348] ? virtio_fs_enqueue_req+0x352/0x570 [ 17.978410] ? netdev_run_todo+0x63/0x550 [ 17.978451] ? rtnl_setlink+0x2c0/0x2c0 [ 17.978493] rtnetlink_rcv_msg+0x358/0x400 [ 17.978542] ? get_page_from_freelist+0x15b4/0x1770 [ 17.978596] ? rtnl_calcit.isra.0+0x110/0x110 [ 17.978652] netlink_rcv_skb+0x57/0x100 [ 17.978710] netlink_unicast+0x252/0x380 [ 17.978758] ? __alloc_skb+0xfc/0x1e0 [ 17.978807] netlink_sendmsg+0x1be/0x3e0 [ 17.978848] ____sys_sendmsg+0x132/0x260 [ 17.978897] ? copy_msghdr_from_user+0x6c/0xa0 [ 17.978953] ___sys_sendmsg+0x87/0xd0 [ 17.978994] ? do_wp_page+0x369/0xe90 [ 17.979042] ? ___pte_offset_map+0x1b/0xd0 [ 17.979084] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 17.979139] ? fsnotify_grab_connector+0x48/0x80 [ 17.979194] ? fsnotify_destroy_marks+0x29/0x150 [ 17.979247] __sys_sendmsg+0x71/0xd0 [ 17.979289] do_syscall_64+0xa4/0xfd0 [ 17.979332] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.979394] RIP: 0033:0x7fdb1d2011d7 [ 17.979435] 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 [ 17.979627] RSP: 002b:00007fff1608e9f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 17.979708] RAX: ffffffffffffffda RBX: 00007fff1608f120 RCX: 00007fdb1d2011d7 [ 17.979779] RDX: 0000000000000000 RSI: 00007fff1608ea60 RDI: 0000000000000005 [ 17.979861] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 17.979944] R10: 00007fdb1d0fdf60 R11: 0000000000000246 R12: 0000000000000003 [ 17.980026] R13: 00000000691cc3bf R14: 0000000000499600 R15: 0000000000000000 [ 17.980110] [ 17.980136] Modules linked in: vrf veth [ 17.980178] CR2: 0000000000000000 [ 17.980218] ---[ end trace 0000000000000000 ]--- [ 17.980272] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 17.980327] 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 [ 17.980509] RSP: 0018:ffff9d4fc0ac36b8 EFLAGS: 00010046 [ 17.980563] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 17.980646] RDX: ffff9d4fc0ac36f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 17.980728] RBP: ffff9d4fc0ac36f0 R08: ffff8e1441393673 R09: ffffffffba66cc80 [ 17.980811] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 17.980893] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 17.980977] FS: 00007fdb1d033800(0000) GS:ffff8e14c3dda000(0000) knlGS:0000000000000000 [ 17.981059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.981127] CR2: 0000000000000000 CR3: 000000000632a003 CR4: 0000000000772ef0 [ 17.981211] PKRU: 55555554 [ 17.981236] note: ip[610] exited with irqs disabled [ 17.981431] ip (610) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr