[ 2.101969] ip (255) used greatest stack depth: 12408 bytes left [ 2.188500] veth0: entered allmulticast mode [ 2.188582] veth1: entered allmulticast mode [ 2.188627] veth2: entered allmulticast mode [ 2.188670] veth3: entered allmulticast mode [ 9.709199] GACT probability NOT on [ 9.710426] tc (355) used greatest stack depth: 11840 bytes left [ 10.591290] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 10.591360] #PF: supervisor write access in kernel mode [ 10.591402] #PF: error_code(0x0002) - not-present page [ 10.591448] PGD 76be067 P4D 76be067 PUD 7773067 PMD 0 [ 10.591496] Oops: Oops: 0002 [#1] SMP [ 10.591531] CPU: 3 UID: 0 PID: 497 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 10.591602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.591646] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 10.591695] 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 [ 10.591822] RSP: 0018:ffffa6ac809876b8 EFLAGS: 00010046 [ 10.591860] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 10.591913] RDX: ffffa6ac809876f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 10.591972] RBP: ffffa6ac809876f0 R08: ffff965301398873 R09: ffffffffbca6cc80 [ 10.592030] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 10.592092] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 10.592147] FS: 00007f627265d800(0000) GS:ffff965381b5a000(0000) knlGS:0000000000000000 [ 10.592224] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.592272] CR2: 0000000000000000 CR3: 00000000077a4001 CR4: 0000000000772ef0 [ 10.592327] PKRU: 55555554 [ 10.592349] Call Trace: [ 10.592377] [ 10.592401] __cancel_work+0x29/0xe0 [ 10.592435] ? linkwatch_urgent_event+0x2f/0xb0 [ 10.592486] __cancel_work_sync+0x16/0x80 [ 10.592519] __dev_close_many+0x11b/0x280 [ 10.592552] __dev_change_flags+0xed/0x220 [ 10.592584] netif_change_flags+0x25/0x60 [ 10.592615] do_setlink.constprop.0+0x2fe/0x1120 [ 10.592661] ? __nla_validate_parse+0x5d/0xe70 [ 10.592706] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 10.592748] rtnl_newlink+0x7fa/0xbc0 [ 10.592782] ? virtio_fs_enqueue_req+0x352/0x570 [ 10.592833] ? netdev_run_todo+0x63/0x550 [ 10.592861] ? rtnl_setlink+0x2c0/0x2c0 [ 10.592899] rtnetlink_rcv_msg+0x358/0x400 [ 10.592931] ? get_page_from_freelist+0x15b4/0x1770 [ 10.592977] ? rtnl_calcit.isra.0+0x110/0x110 [ 10.593014] netlink_rcv_skb+0x57/0x100 [ 10.593052] netlink_unicast+0x252/0x380 [ 10.593083] ? __alloc_skb+0xfc/0x1e0 [ 10.593117] netlink_sendmsg+0x1be/0x3e0 [ 10.593149] ____sys_sendmsg+0x132/0x260 [ 10.593182] ? copy_msghdr_from_user+0x6c/0xa0 [ 10.593222] ___sys_sendmsg+0x87/0xd0 [ 10.593255] ? do_wp_page+0x369/0xe90 [ 10.593289] ? ___pte_offset_map+0x1b/0xd0 [ 10.593314] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 10.593362] ? fsnotify_grab_connector+0x48/0x80 [ 10.593401] ? fsnotify_destroy_marks+0x29/0x150 [ 10.593442] __sys_sendmsg+0x71/0xd0 [ 10.593475] do_syscall_64+0xa4/0xfd0 [ 10.593510] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.593553] RIP: 0033:0x7f627282b1d7 [ 10.593586] 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 [ 10.593709] RSP: 002b:00007ffcb154a488 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 10.593770] RAX: ffffffffffffffda RBX: 00007ffcb154abb0 RCX: 00007f627282b1d7 [ 10.593822] RDX: 0000000000000000 RSI: 00007ffcb154a4f0 RDI: 0000000000000005 [ 10.593876] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 10.593935] R10: 00007f6272727f60 R11: 0000000000000246 R12: 0000000000000003 [ 10.593985] R13: 00000000691cc96b R14: 0000000000499600 R15: 0000000000000000 [ 10.594038] [ 10.594055] Modules linked in: act_gact cls_flower sch_ingress vrf veth [ 10.594108] CR2: 0000000000000000 [ 10.594137] ---[ end trace 0000000000000000 ]--- [ 10.594169] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 10.594208] 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 [ 10.594344] RSP: 0018:ffffa6ac809876b8 EFLAGS: 00010046 [ 10.594385] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 10.594439] RDX: ffffa6ac809876f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 10.594501] RBP: ffffa6ac809876f0 R08: ffff965301398873 R09: ffffffffbca6cc80 [ 10.594554] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 10.594607] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 10.594662] FS: 00007f627265d800(0000) GS:ffff965381b5a000(0000) knlGS:0000000000000000 [ 10.594730] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.594773] CR2: 0000000000000000 CR3: 00000000077a4001 CR4: 0000000000772ef0 [ 10.594835] PKRU: 55555554 [ 10.594851] note: ip[497] exited with irqs disabled [ 10.595058] ip (497) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr