[ 2.198616] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.198698] #PF: supervisor write access in kernel mode [ 2.198748] #PF: error_code(0x0002) - not-present page [ 2.198794] PGD 33e1067 P4D 33e1067 PUD 4826067 PMD 0 [ 2.198847] Oops: Oops: 0002 [#1] SMP [ 2.198888] CPU: 2 UID: 0 PID: 274 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.198973] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.199012] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.199056] 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 [ 2.199210] RSP: 0018:ffffa81d8064f6b8 EFLAGS: 00010046 [ 2.199263] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000800 [ 2.199337] RDX: ffffa81d8064f6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.199416] RBP: ffffa81d8064f6f0 R08: ffff8e984139e473 R09: 0000000000000002 [ 2.199486] R10: ffff8e987ed28840 R11: ffff8e984139dc90 R12: 0000000000000000 [ 2.199554] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.199631] FS: 00007fcac2e7d800(0000) GS:ffff8e98e0291000(0000) knlGS:0000000000000000 [ 2.199705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.199767] CR2: 0000000000000000 CR3: 00000000033d7001 CR4: 0000000000772ef0 [ 2.199835] PKRU: 55555554 [ 2.199865] Call Trace: [ 2.199888] [ 2.199911] __cancel_work+0x29/0xe0 [ 2.199945] ? linkwatch_urgent_event+0x2f/0xb0 [ 2.199996] __cancel_work_sync+0x16/0x80 [ 2.200036] __dev_close_many+0x113/0x2b0 [ 2.200078] __dev_change_flags+0xed/0x220 [ 2.200118] netif_change_flags+0x25/0x60 [ 2.200157] do_setlink.constprop.0+0x2fd/0x1170 [ 2.200208] ? __nla_validate_parse+0x5d/0xe70 [ 2.200259] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.200317] rtnl_newlink+0x7fa/0xc00 [ 2.200359] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.200410] ? netdev_run_todo+0x63/0x550 [ 2.200443] ? rtnl_setlink+0x2c0/0x2c0 [ 2.200476] rtnetlink_rcv_msg+0x358/0x400 [ 2.200514] ? get_page_from_freelist+0x15b4/0x1770 [ 2.200561] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.200612] netlink_rcv_skb+0x57/0x100 [ 2.200656] netlink_unicast+0x252/0x380 [ 2.200695] ? __alloc_skb+0xfc/0x1e0 [ 2.200735] netlink_sendmsg+0x1be/0x3e0 [ 2.200776] ____sys_sendmsg+0x132/0x260 [ 2.200816] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.200861] ___sys_sendmsg+0x87/0xd0 [ 2.200902] ? do_wp_page+0x369/0xe90 [ 2.200944] ? ___pte_offset_map+0x1b/0xd0 [ 2.200984] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.201034] ? fsnotify_grab_connector+0x48/0x80 [ 2.201084] ? fsnotify_destroy_marks+0x29/0x150 [ 2.201128] __sys_sendmsg+0x71/0xd0 [ 2.201162] do_syscall_64+0xa4/0xfd0 [ 2.201215] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.201267] RIP: 0033:0x7fcac304b1d7 [ 2.201307] 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 [ 2.201472] RSP: 002b:00007ffe458350d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.201539] RAX: ffffffffffffffda RBX: 00007ffe45835800 RCX: 00007fcac304b1d7 [ 2.201607] RDX: 0000000000000000 RSI: 00007ffe45835140 RDI: 0000000000000005 [ 2.201674] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 2.201742] R10: 00007fcac2f47f60 R11: 0000000000000246 R12: 0000000000000002 [ 2.201808] R13: 00000000691cd3ce R14: 0000000000499600 R15: 0000000000000000 [ 2.201876] [ 2.201896] Modules linked in: [ 2.201931] CR2: 0000000000000000 [ 2.201971] ---[ end trace 0000000000000000 ]--- [ 2.202015] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.202066] 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 [ 2.202224] RSP: 0018:ffffa81d8064f6b8 EFLAGS: 00010046 [ 2.202268] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000800 [ 2.202344] RDX: ffffa81d8064f6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.202417] RBP: ffffa81d8064f6f0 R08: ffff8e984139e473 R09: 0000000000000002 [ 2.202484] R10: ffff8e987ed28840 R11: ffff8e984139dc90 R12: 0000000000000000 [ 2.202552] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.202629] FS: 00007fcac2e7d800(0000) GS:ffff8e98e0291000(0000) knlGS:0000000000000000 [ 2.202703] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.202765] CR2: 0000000000000000 CR3: 00000000033d7001 CR4: 0000000000772ef0 [ 2.202832] PKRU: 55555554 [ 2.202861] note: ip[274] exited with irqs disabled [ 2.203157] ip (274) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr