[ 2.093131] ip (278) used greatest stack depth: 12136 bytes left [ 2.391038] eth1: renamed from tmp [ 7.403868] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 7.403935] #PF: supervisor write access in kernel mode [ 7.403972] #PF: error_code(0x0002) - not-present page [ 7.404003] PGD 8716067 P4D 8716067 PUD 8723067 PMD 0 [ 7.404042] Oops: Oops: 0002 [#1] SMP [ 7.404075] CPU: 0 UID: 0 PID: 693 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 7.404135] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.404174] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 7.404218] 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 [ 7.404337] RSP: 0018:ffffad5140eaf6b8 EFLAGS: 00010046 [ 7.404371] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 7.404449] RDX: ffffad5140eaf6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 7.404521] RBP: ffffad5140eaf6f0 R08: ffff8a55013ab673 R09: ffffffff89871c80 [ 7.404578] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 7.404636] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 7.404687] FS: 00007fc72aebb800(0000) GS:ffff8a55b4b91000(0000) knlGS:0000000000000000 [ 7.404741] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.404787] CR2: 0000000000000000 CR3: 000000000871c003 CR4: 0000000000772ef0 [ 7.404836] PKRU: 55555554 [ 7.404856] Call Trace: [ 7.404874] [ 7.404898] __cancel_work+0x29/0xe0 [ 7.404931] ? linkwatch_urgent_event+0x2f/0xb0 [ 7.404971] __cancel_work_sync+0x16/0x80 [ 7.405001] __dev_close_many+0x113/0x2b0 [ 7.405033] __dev_change_flags+0xed/0x220 [ 7.405062] netif_change_flags+0x25/0x60 [ 7.405099] do_setlink.constprop.0+0x2fd/0x1170 [ 7.405158] ? __nla_validate_parse+0x5d/0xe70 [ 7.405213] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 7.405257] rtnl_newlink+0x7fa/0xc00 [ 7.405282] ? virtio_fs_enqueue_req+0x352/0x570 [ 7.405323] ? netdev_run_todo+0x63/0x550 [ 7.405348] ? rtnl_setlink+0x2c0/0x2c0 [ 7.405372] rtnetlink_rcv_msg+0x358/0x400 [ 7.405404] ? get_page_from_freelist+0x15b4/0x1770 [ 7.405444] ? rtnl_calcit.isra.0+0x110/0x110 [ 7.405487] netlink_rcv_skb+0x57/0x100 [ 7.405518] netlink_unicast+0x252/0x380 [ 7.405547] ? __alloc_skb+0xfc/0x1e0 [ 7.405587] netlink_sendmsg+0x1be/0x3e0 [ 7.405615] ____sys_sendmsg+0x132/0x260 [ 7.405655] ? copy_msghdr_from_user+0x6c/0xa0 [ 7.405707] ___sys_sendmsg+0x87/0xd0 [ 7.405744] ? do_wp_page+0x369/0xe90 [ 7.405775] ? ___pte_offset_map+0x1b/0xd0 [ 7.405806] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 7.405845] ? fsnotify_grab_connector+0x48/0x80 [ 7.405882] ? fsnotify_destroy_marks+0x29/0x150 [ 7.405914] __sys_sendmsg+0x71/0xd0 [ 7.405939] do_syscall_64+0xa4/0xfd0 [ 7.405982] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 7.406036] RIP: 0033:0x7fc72b0891d7 [ 7.406072] 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 [ 7.406189] RSP: 002b:00007fff0df0ede8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 7.406244] RAX: ffffffffffffffda RBX: 00007fff0df0f520 RCX: 00007fc72b0891d7 [ 7.406302] RDX: 0000000000000000 RSI: 00007fff0df0ee50 RDI: 0000000000000005 [ 7.406380] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 7.406434] R10: 00007fc72af85510 R11: 0000000000000246 R12: 0000000000000003 [ 7.406481] R13: 00000000691cb894 R14: 0000000000499600 R15: 0000000000000000 [ 7.406530] [ 7.406546] Modules linked in: [ 7.406573] CR2: 0000000000000000 [ 7.406610] ---[ end trace 0000000000000000 ]--- [ 7.406662] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 7.406712] 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 [ 7.406840] RSP: 0018:ffffad5140eaf6b8 EFLAGS: 00010046 [ 7.406887] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 7.406943] RDX: ffffad5140eaf6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 7.407020] RBP: ffffad5140eaf6f0 R08: ffff8a55013ab673 R09: ffffffff89871c80 [ 7.407084] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 7.407133] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 7.407181] FS: 00007fc72aebb800(0000) GS:ffff8a55b4b91000(0000) knlGS:0000000000000000 [ 7.407236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.407281] CR2: 0000000000000000 CR3: 000000000871c003 CR4: 0000000000772ef0 [ 7.407331] PKRU: 55555554 [ 7.407354] note: ip[693] exited with irqs disabled [ 7.407618] ip (693) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr