[ 1.844197] ip (249) used greatest stack depth: 12360 bytes left [ 7.175701] GACT probability NOT on [ 7.176799] tc (296) used greatest stack depth: 11840 bytes left [ 9.832893] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 9.832961] #PF: supervisor write access in kernel mode [ 9.832998] #PF: error_code(0x0002) - not-present page [ 9.833037] PGD 7e7a067 P4D 7e7a067 PUD 7e75067 PMD 0 [ 9.833076] Oops: Oops: 0002 [#1] SMP [ 9.833113] CPU: 3 UID: 0 PID: 857 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 9.833184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.833239] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 9.833287] 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 [ 9.833407] RSP: 0018:ffffa75300cc76b8 EFLAGS: 00010046 [ 9.833447] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 9.833495] RDX: ffffa75300cc76f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 9.833544] RBP: ffffa75300cc76f0 R08: ffff89d501398873 R09: ffffffff88c6cc80 [ 9.833601] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 9.833656] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 9.833710] FS: 00007fa61935b800(0000) GS:ffff89d5b595a000(0000) knlGS:0000000000000000 [ 9.833765] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9.833810] CR2: 0000000000000000 CR3: 0000000007e7d004 CR4: 0000000000772ef0 [ 9.833860] PKRU: 55555554 [ 9.833882] Call Trace: [ 9.833899] [ 9.833923] __cancel_work+0x29/0xe0 [ 9.833956] ? linkwatch_urgent_event+0x2f/0xb0 [ 9.833998] __cancel_work_sync+0x16/0x80 [ 9.834024] __dev_close_many+0x11b/0x280 [ 9.834058] __dev_change_flags+0xed/0x220 [ 9.834092] netif_change_flags+0x25/0x60 [ 9.834123] do_setlink.constprop.0+0x2fe/0x1120 [ 9.834170] ? __nla_validate_parse+0x5d/0xe70 [ 9.834211] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 9.834258] rtnl_newlink+0x7fa/0xbc0 [ 9.834290] ? virtio_fs_enqueue_req+0x352/0x570 [ 9.834332] ? netdev_run_todo+0x63/0x550 [ 9.834364] ? rtnl_setlink+0x2c0/0x2c0 [ 9.834394] rtnetlink_rcv_msg+0x358/0x400 [ 9.834433] ? get_page_from_freelist+0x15b4/0x1770 [ 9.834472] ? rtnl_calcit.isra.0+0x110/0x110 [ 9.834511] netlink_rcv_skb+0x57/0x100 [ 9.834544] netlink_unicast+0x252/0x380 [ 9.834577] ? __alloc_skb+0xfc/0x1e0 [ 9.834604] netlink_sendmsg+0x1be/0x3e0 [ 9.834635] ____sys_sendmsg+0x132/0x260 [ 9.834672] ? copy_msghdr_from_user+0x6c/0xa0 [ 9.834710] ___sys_sendmsg+0x87/0xd0 [ 9.834742] ? do_wp_page+0x369/0xe90 [ 9.834777] ? ___pte_offset_map+0x1b/0xd0 [ 9.834807] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 9.834844] ? fsnotify_grab_connector+0x48/0x80 [ 9.834882] ? fsnotify_destroy_marks+0x29/0x150 [ 9.834914] __sys_sendmsg+0x71/0xd0 [ 9.834940] do_syscall_64+0xa4/0xfd0 [ 9.834974] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.835012] RIP: 0033:0x7fa6195291d7 [ 9.835043] 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 [ 9.835166] RSP: 002b:00007ffff7f429a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 9.835221] RAX: ffffffffffffffda RBX: 00007ffff7f430d0 RCX: 00007fa6195291d7 [ 9.835276] RDX: 0000000000000000 RSI: 00007ffff7f42a10 RDI: 0000000000000005 [ 9.835330] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 9.835379] R10: 00007fa619425f60 R11: 0000000000000246 R12: 0000000000000003 [ 9.835436] R13: 00000000691cc99d R14: 0000000000499600 R15: 0000000000000000 [ 9.835486] [ 9.835507] Modules linked in: act_gact cls_flower sch_ingress vrf veth [ 9.835555] CR2: 0000000000000000 [ 9.835586] ---[ end trace 0000000000000000 ]--- [ 9.835618] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 9.835664] 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 [ 9.835780] RSP: 0018:ffffa75300cc76b8 EFLAGS: 00010046 [ 9.835812] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 9.835867] RDX: ffffa75300cc76f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 9.835916] RBP: ffffa75300cc76f0 R08: ffff89d501398873 R09: ffffffff88c6cc80 [ 9.835964] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 9.836013] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 9.836064] FS: 00007fa61935b800(0000) GS:ffff89d5b595a000(0000) knlGS:0000000000000000 [ 9.836122] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9.836167] CR2: 0000000000000000 CR3: 0000000007e7d004 CR4: 0000000000772ef0 [ 9.836222] PKRU: 55555554 [ 9.836244] note: ip[857] exited with irqs disabled [ 9.836413] ip (857) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr