[ 112.839422] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 112.839503] #PF: supervisor write access in kernel mode [ 112.839549] #PF: error_code(0x0002) - not-present page [ 112.839583] PGD 3810067 P4D 3810067 PUD 67a7067 PMD 0 [ 112.839622] Oops: Oops: 0002 [#1] SMP [ 112.839648] CPU: 0 UID: 0 PID: 1730 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 112.839711] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 112.839754] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 112.839801] 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 [ 112.839922] RSP: 0018:ffffaf66c138b6b8 EFLAGS: 00010046 [ 112.839960] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 112.840010] RDX: ffffaf66c138b6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 112.840060] RBP: ffffaf66c138b6f0 R08: ffff967981393673 R09: ffffffffa106cc80 [ 112.840114] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 112.840164] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 112.840215] FS: 00007fc45e00b800(0000) GS:ffff967a1d3da000(0000) knlGS:0000000000000000 [ 112.840270] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.840316] CR2: 0000000000000000 CR3: 0000000001b66002 CR4: 0000000000772ef0 [ 112.840368] PKRU: 55555554 [ 112.840390] Call Trace: [ 112.840409] [ 112.840433] __cancel_work+0x29/0xe0 [ 112.840464] ? linkwatch_urgent_event+0x2f/0xb0 [ 112.840503] __cancel_work_sync+0x16/0x80 [ 112.840535] __dev_close_many+0x11b/0x280 [ 112.840571] __dev_change_flags+0xed/0x220 [ 112.840600] netif_change_flags+0x25/0x60 [ 112.840631] do_setlink.constprop.0+0x2fe/0x1120 [ 112.840670] ? __nla_validate_parse+0x5d/0xe70 [ 112.840709] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 112.840749] rtnl_newlink+0x7fa/0xbc0 [ 112.840775] ? virtio_fs_enqueue_req+0x352/0x570 [ 112.840816] ? netdev_run_todo+0x63/0x550 [ 112.840848] ? rtnl_setlink+0x2c0/0x2c0 [ 112.840881] rtnetlink_rcv_msg+0x358/0x400 [ 112.840912] ? get_page_from_freelist+0x15b4/0x1770 [ 112.840953] ? rtnl_calcit.isra.0+0x110/0x110 [ 112.840991] netlink_rcv_skb+0x57/0x100 [ 112.841027] netlink_unicast+0x252/0x380 [ 112.841057] ? __alloc_skb+0xfc/0x1e0 [ 112.841090] netlink_sendmsg+0x1be/0x3e0 [ 112.841122] ____sys_sendmsg+0x132/0x260 [ 112.841153] ? copy_msghdr_from_user+0x6c/0xa0 [ 112.841190] ___sys_sendmsg+0x87/0xd0 [ 112.841221] ? do_wp_page+0x369/0xe90 [ 112.841255] ? ___pte_offset_map+0x1b/0xd0 [ 112.841286] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 112.841324] ? fsnotify_grab_connector+0x48/0x80 [ 112.841364] ? fsnotify_destroy_marks+0x29/0x150 [ 112.841398] __sys_sendmsg+0x71/0xd0 [ 112.841431] do_syscall_64+0xa4/0xfd0 [ 112.841468] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 112.841510] RIP: 0033:0x7fc45e1d91d7 [ 112.841537] 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 [ 112.841653] RSP: 002b:00007fff0f1139a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 112.841703] RAX: ffffffffffffffda RBX: 00007fff0f1140d0 RCX: 00007fc45e1d91d7 [ 112.841753] RDX: 0000000000000000 RSI: 00007fff0f113a10 RDI: 0000000000000005 [ 112.841803] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 112.841853] R10: 00007fc45e0d5f60 R11: 0000000000000246 R12: 0000000000000003 [ 112.841907] R13: 00000000691cd000 R14: 0000000000499600 R15: 0000000000000000 [ 112.841959] [ 112.841980] Modules linked in: vrf veth [ 112.842019] CR2: 0000000000000000 [ 112.842049] ---[ end trace 0000000000000000 ]--- [ 112.842086] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 112.842125] 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 [ 112.842242] RSP: 0018:ffffaf66c138b6b8 EFLAGS: 00010046 [ 112.842283] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 112.842332] RDX: ffffaf66c138b6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 112.842383] RBP: ffffaf66c138b6f0 R08: ffff967981393673 R09: ffffffffa106cc80 [ 112.842433] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 112.842489] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 112.842540] FS: 00007fc45e00b800(0000) GS:ffff967a1d3da000(0000) knlGS:0000000000000000 [ 112.842597] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.842639] CR2: 0000000000000000 CR3: 0000000001b66002 CR4: 0000000000772ef0 [ 112.842689] PKRU: 55555554 [ 112.842713] note: ip[1730] exited with irqs disabled [ 112.842887] ip (1730) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr