[ 1.838200] ip (246) used greatest stack depth: 12344 bytes left [ 24.987868] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 24.987938] #PF: supervisor write access in kernel mode [ 24.987984] #PF: error_code(0x0002) - not-present page [ 24.988020] PGD 7513067 P4D 7513067 PUD 762a067 PMD 0 [ 24.988067] Oops: Oops: 0002 [#1] SMP [ 24.988107] CPU: 0 UID: 0 PID: 2822 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 24.988177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.988232] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 24.988282] 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 [ 24.988410] RSP: 0018:ffffb65d423736b8 EFLAGS: 00010046 [ 24.988450] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 24.988508] RDX: ffffb65d423736f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 24.988561] RBP: ffffb65d423736f0 R08: ffff90c101393673 R09: ffffffff8a66cc80 [ 24.988620] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 24.988674] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 24.988734] FS: 00007f9ebbe71800(0000) GS:ffff90c1b3dda000(0000) knlGS:0000000000000000 [ 24.988799] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.988858] CR2: 0000000000000000 CR3: 000000000749b004 CR4: 0000000000772ef0 [ 24.988917] PKRU: 55555554 [ 24.988939] Call Trace: [ 24.988959] [ 24.988987] __cancel_work+0x29/0xe0 [ 24.989021] ? linkwatch_urgent_event+0x2f/0xb0 [ 24.989063] __cancel_work_sync+0x16/0x80 [ 24.989092] __dev_close_many+0x11b/0x280 [ 24.989130] __dev_change_flags+0xed/0x220 [ 24.989162] netif_change_flags+0x25/0x60 [ 24.989197] do_setlink.constprop.0+0x2fe/0x1120 [ 24.989238] ? __nla_validate_parse+0x5d/0xe70 [ 24.989286] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 24.989333] rtnl_newlink+0x7fa/0xbc0 [ 24.989368] ? virtio_fs_enqueue_req+0x352/0x570 [ 24.989414] ? netdev_run_todo+0x63/0x550 [ 24.989449] ? rtnl_setlink+0x2c0/0x2c0 [ 24.989488] rtnetlink_rcv_msg+0x358/0x400 [ 24.989528] ? get_page_from_freelist+0x15b4/0x1770 [ 24.989571] ? rtnl_calcit.isra.0+0x110/0x110 [ 24.989616] netlink_rcv_skb+0x57/0x100 [ 24.989654] netlink_unicast+0x252/0x380 [ 24.989687] ? __alloc_skb+0xfc/0x1e0 [ 24.989720] netlink_sendmsg+0x1be/0x3e0 [ 24.989753] ____sys_sendmsg+0x132/0x260 [ 24.989794] ? copy_msghdr_from_user+0x6c/0xa0 [ 24.989837] ___sys_sendmsg+0x87/0xd0 [ 24.989870] ? do_wp_page+0x369/0xe90 [ 24.989904] ? ___pte_offset_map+0x1b/0xd0 [ 24.989938] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 24.989979] ? fsnotify_grab_connector+0x48/0x80 [ 24.990023] ? fsnotify_destroy_marks+0x29/0x150 [ 24.990065] __sys_sendmsg+0x71/0xd0 [ 24.990105] do_syscall_64+0xa4/0xfd0 [ 24.990141] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 24.990181] RIP: 0033:0x7f9ebc03f1d7 [ 24.990213] 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 [ 24.990365] RSP: 002b:00007ffcc07551d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 24.990422] RAX: ffffffffffffffda RBX: 00007ffcc0755900 RCX: 00007f9ebc03f1d7 [ 24.990479] RDX: 0000000000000000 RSI: 00007ffcc0755240 RDI: 0000000000000005 [ 24.990536] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 24.990588] R10: 00007f9ebbf3bf60 R11: 0000000000000246 R12: 0000000000000003 [ 24.990645] R13: 00000000691cd515 R14: 0000000000499600 R15: 0000000000000000 [ 24.990699] [ 24.990725] Modules linked in: vrf veth [ 24.990760] CR2: 0000000000000000 [ 24.990790] ---[ end trace 0000000000000000 ]--- [ 24.990830] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 24.990871] 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 [ 24.991001] RSP: 0018:ffffb65d423736b8 EFLAGS: 00010046 [ 24.991048] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 24.991105] RDX: ffffb65d423736f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 24.991164] RBP: ffffb65d423736f0 R08: ffff90c101393673 R09: ffffffff8a66cc80 [ 24.991227] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 24.991285] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 24.991338] FS: 00007f9ebbe71800(0000) GS:ffff90c1b3dda000(0000) knlGS:0000000000000000 [ 24.991399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.991445] CR2: 0000000000000000 CR3: 000000000749b004 CR4: 0000000000772ef0 [ 24.991503] PKRU: 55555554 [ 24.991528] note: ip[2822] exited with irqs disabled [ 24.991813] ip (2822) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr