[ 2.435664] ip (301) used greatest stack depth: 12168 bytes left [ 2.465812] eth1: renamed from tmp [ 10.017990] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 10.018087] #PF: supervisor write access in kernel mode [ 10.018145] #PF: error_code(0x0002) - not-present page [ 10.018204] PGD 7c4b067 P4D 7c4b067 PUD 7c41067 PMD 0 [ 10.018262] Oops: Oops: 0002 [#1] SMP [ 10.018308] CPU: 0 UID: 0 PID: 590 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 10.018405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.018470] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 10.018535] 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 [ 10.018716] RSP: 0018:ffffad0bc0c1f6b8 EFLAGS: 00010046 [ 10.018766] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 10.018844] RDX: ffffad0bc0c1f6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 10.018921] RBP: ffffad0bc0c1f6f0 R08: ffff9434c13ab673 R09: ffffffff99671c80 [ 10.018997] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 10.019075] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 10.019156] FS: 00007f3565122800(0000) GS:ffff943564d91000(0000) knlGS:0000000000000000 [ 10.019239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.019301] CR2: 0000000000000000 CR3: 0000000007c34005 CR4: 0000000000772ef0 [ 10.019379] PKRU: 55555554 [ 10.019411] Call Trace: [ 10.019440] [ 10.019475] __cancel_work+0x29/0xe0 [ 10.019521] ? linkwatch_urgent_event+0x2f/0xb0 [ 10.019581] __cancel_work_sync+0x16/0x80 [ 10.019628] __dev_close_many+0x113/0x2b0 [ 10.019676] __dev_change_flags+0xed/0x220 [ 10.019716] netif_change_flags+0x25/0x60 [ 10.019754] do_setlink.constprop.0+0x2fd/0x1170 [ 10.019818] ? __nla_validate_parse+0x5d/0xe70 [ 10.019878] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 10.019941] rtnl_newlink+0x7fa/0xc00 [ 10.019981] ? virtio_fs_enqueue_req+0x352/0x570 [ 10.020042] ? netdev_run_todo+0x63/0x550 [ 10.020091] ? rtnl_setlink+0x2c0/0x2c0 [ 10.020132] rtnetlink_rcv_msg+0x358/0x400 [ 10.020173] ? get_page_from_freelist+0x15b4/0x1770 [ 10.020226] ? rtnl_calcit.isra.0+0x110/0x110 [ 10.020288] netlink_rcv_skb+0x57/0x100 [ 10.020338] netlink_unicast+0x252/0x380 [ 10.020386] ? __alloc_skb+0xfc/0x1e0 [ 10.020437] netlink_sendmsg+0x1be/0x3e0 [ 10.020479] ____sys_sendmsg+0x132/0x260 [ 10.020529] ? copy_msghdr_from_user+0x6c/0xa0 [ 10.020591] ___sys_sendmsg+0x87/0xd0 [ 10.020630] ? do_wp_page+0x369/0xe90 [ 10.020668] ? ___pte_offset_map+0x1b/0xd0 [ 10.020718] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 10.020780] ? fsnotify_grab_connector+0x48/0x80 [ 10.020843] ? fsnotify_destroy_marks+0x29/0x150 [ 10.020896] __sys_sendmsg+0x71/0xd0 [ 10.020939] do_syscall_64+0xa4/0xfd0 [ 10.020988] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.021054] RIP: 0033:0x7f35652f01d7 [ 10.021104] 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 [ 10.021292] RSP: 002b:00007ffd2e083a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 10.021373] RAX: ffffffffffffffda RBX: 00007ffd2e0841b0 RCX: 00007f35652f01d7 [ 10.021451] RDX: 0000000000000000 RSI: 00007ffd2e083ae0 RDI: 0000000000000005 [ 10.021528] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 10.021606] R10: 00007f35651ec510 R11: 0000000000000246 R12: 0000000000000003 [ 10.021684] R13: 00000000691cb8f3 R14: 0000000000499600 R15: 0000000000000000 [ 10.021764] [ 10.021789] Modules linked in: [ 10.021831] CR2: 0000000000000000 [ 10.021876] ---[ end trace 0000000000000000 ]--- [ 10.021926] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 10.021986] 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 [ 10.022171] RSP: 0018:ffffad0bc0c1f6b8 EFLAGS: 00010046 [ 10.022222] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 10.022299] RDX: ffffad0bc0c1f6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 10.022377] RBP: ffffad0bc0c1f6f0 R08: ffff9434c13ab673 R09: ffffffff99671c80 [ 10.022454] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 10.022533] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 10.022612] FS: 00007f3565122800(0000) GS:ffff943564d91000(0000) knlGS:0000000000000000 [ 10.022697] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.022764] CR2: 0000000000000000 CR3: 0000000007c34005 CR4: 0000000000772ef0 [ 10.022852] PKRU: 55555554 [ 10.022892] note: ip[590] exited with irqs disabled [ 10.023291] ip (590) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr