[ 113.464370] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 113.464458] #PF: supervisor write access in kernel mode [ 113.464500] #PF: error_code(0x0002) - not-present page [ 113.464536] PGD 58f0067 P4D 58f0067 PUD 3bfc067 PMD 0 [ 113.464577] Oops: Oops: 0002 [#1] SMP [ 113.464610] CPU: 2 UID: 0 PID: 1732 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 113.464673] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.464728] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 113.464791] 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 [ 113.464922] RSP: 0018:ffffb8020132b6b8 EFLAGS: 00010046 [ 113.464959] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 113.465011] RDX: ffffb8020132b6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 113.465064] RBP: ffffb8020132b6f0 R08: ffff9c6881396473 R09: ffffffff9746cc80 [ 113.465124] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 113.465175] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 113.465228] FS: 00007fcaafc4b800(0000) GS:ffff9c69280da000(0000) knlGS:0000000000000000 [ 113.465279] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.465323] CR2: 0000000000000000 CR3: 00000000078eb004 CR4: 0000000000772ef0 [ 113.465369] PKRU: 55555554 [ 113.465389] Call Trace: [ 113.465415] [ 113.465441] __cancel_work+0x29/0xe0 [ 113.465473] ? linkwatch_urgent_event+0x2f/0xb0 [ 113.465531] __cancel_work_sync+0x16/0x80 [ 113.465561] __dev_close_many+0x11b/0x280 [ 113.465598] __dev_change_flags+0xed/0x220 [ 113.465627] netif_change_flags+0x25/0x60 [ 113.465656] do_setlink.constprop.0+0x2fe/0x1120 [ 113.465699] ? __nla_validate_parse+0x5d/0xe70 [ 113.465756] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 113.465807] rtnl_newlink+0x7fa/0xbc0 [ 113.465838] ? virtio_fs_enqueue_req+0x352/0x570 [ 113.465887] ? netdev_run_todo+0x63/0x550 [ 113.465917] ? rtnl_setlink+0x2c0/0x2c0 [ 113.465946] rtnetlink_rcv_msg+0x358/0x400 [ 113.465977] ? get_page_from_freelist+0x15b4/0x1770 [ 113.466022] ? rtnl_calcit.isra.0+0x110/0x110 [ 113.466062] netlink_rcv_skb+0x57/0x100 [ 113.466115] netlink_unicast+0x252/0x380 [ 113.466146] ? __alloc_skb+0xfc/0x1e0 [ 113.466179] netlink_sendmsg+0x1be/0x3e0 [ 113.466208] ____sys_sendmsg+0x132/0x260 [ 113.466242] ? copy_msghdr_from_user+0x6c/0xa0 [ 113.466278] ___sys_sendmsg+0x87/0xd0 [ 113.466307] ? do_wp_page+0x369/0xe90 [ 113.466337] ? ___pte_offset_map+0x1b/0xd0 [ 113.466367] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 113.466409] ? fsnotify_grab_connector+0x48/0x80 [ 113.466449] ? fsnotify_destroy_marks+0x29/0x150 [ 113.466486] __sys_sendmsg+0x71/0xd0 [ 113.466526] do_syscall_64+0xa4/0xfd0 [ 113.466563] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 113.466603] RIP: 0033:0x7fcaafe191d7 [ 113.466632] 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 [ 113.466762] RSP: 002b:00007ffd51f90078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 113.466822] RAX: ffffffffffffffda RBX: 00007ffd51f907a0 RCX: 00007fcaafe191d7 [ 113.466878] RDX: 0000000000000000 RSI: 00007ffd51f900e0 RDI: 0000000000000005 [ 113.466923] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 113.466969] R10: 00007fcaafd15f60 R11: 0000000000000246 R12: 0000000000000003 [ 113.467029] R13: 00000000691cbc75 R14: 0000000000499600 R15: 0000000000000000 [ 113.467075] [ 113.467103] Modules linked in: vrf veth [ 113.467131] CR2: 0000000000000000 [ 113.467157] ---[ end trace 0000000000000000 ]--- [ 113.467200] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 113.467240] 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 [ 113.467354] RSP: 0018:ffffb8020132b6b8 EFLAGS: 00010046 [ 113.467391] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 113.467445] RDX: ffffb8020132b6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 113.467502] RBP: ffffb8020132b6f0 R08: ffff9c6881396473 R09: ffffffff9746cc80 [ 113.467558] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 113.467610] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 113.467657] FS: 00007fcaafc4b800(0000) GS:ffff9c69280da000(0000) knlGS:0000000000000000 [ 113.467714] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.467761] CR2: 0000000000000000 CR3: 00000000078eb004 CR4: 0000000000772ef0 [ 113.467817] PKRU: 55555554 [ 113.467839] note: ip[1732] exited with irqs disabled [ 113.468085] ip (1732) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr