[ 2.020733] gre: GRE over IPv4 demultiplexer driver [ 2.022792] ip_gre: GRE over IPv4 tunneling driver [ 2.087061] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.087149] #PF: supervisor write access in kernel mode [ 2.087205] #PF: error_code(0x0002) - not-present page [ 2.087252] PGD 3063067 P4D 3063067 PUD 3007067 PMD 0 [ 2.087308] Oops: Oops: 0002 [#1] SMP [ 2.087353] CPU: 2 UID: 0 PID: 276 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.087444] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.087512] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.087569] 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 [ 2.087736] RSP: 0018:ffffc05cc02936b8 EFLAGS: 00010046 [ 2.087780] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.087850] RDX: ffffc05cc02936f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.087920] RBP: ffffc05cc02936f0 R08: ffffffffb0e93e00 R09: 0000000000000101 [ 2.088001] R10: ffffffffb1a080d8 R11: ffffc05cc0110ff8 R12: 0000000000000000 [ 2.088069] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.088141] FS: 00007fa5d7c6d800(0000) GS:ffffa0284ca91000(0000) knlGS:0000000000000000 [ 2.088220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.088276] CR2: 0000000000000000 CR3: 0000000004fb4001 CR4: 0000000000772ef0 [ 2.088347] PKRU: 55555554 [ 2.088371] Call Trace: [ 2.088417] [ 2.088456] __cancel_work+0x29/0xe0 [ 2.088505] ? dev_deactivate_many+0x2c9/0x300 [ 2.088561] __cancel_work_sync+0x16/0x80 [ 2.088602] __dev_close_many+0x113/0x2b0 [ 2.088643] __dev_change_flags+0xed/0x220 [ 2.088685] netif_change_flags+0x25/0x60 [ 2.088725] do_setlink.constprop.0+0x2fd/0x1170 [ 2.088778] ? __nla_validate_parse+0x5d/0xe70 [ 2.088829] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.088882] rtnl_newlink+0x7fa/0xc00 [ 2.088917] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.088968] ? netdev_run_todo+0x63/0x550 [ 2.089002] ? rtnl_setlink+0x2c0/0x2c0 [ 2.089035] rtnetlink_rcv_msg+0x358/0x400 [ 2.089078] ? get_page_from_freelist+0x15b4/0x1770 [ 2.089129] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.089180] netlink_rcv_skb+0x57/0x100 [ 2.089223] netlink_unicast+0x252/0x380 [ 2.089264] ? __alloc_skb+0xfc/0x1e0 [ 2.089306] netlink_sendmsg+0x1be/0x3e0 [ 2.089346] ____sys_sendmsg+0x132/0x260 [ 2.089399] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.089452] ___sys_sendmsg+0x87/0xd0 [ 2.089486] ? do_wp_page+0x369/0xe90 [ 2.089520] ? ___pte_offset_map+0x1b/0xd0 [ 2.089557] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.089607] ? fsnotify_grab_connector+0x48/0x80 [ 2.089659] ? fsnotify_destroy_marks+0x29/0x150 [ 2.089704] __sys_sendmsg+0x71/0xd0 [ 2.089739] do_syscall_64+0xa4/0xfd0 [ 2.089780] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.089833] RIP: 0033:0x7fa5d7e3b1d7 [ 2.089868] 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 [ 2.090032] RSP: 002b:00007ffc2d4f7ea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.090100] RAX: ffffffffffffffda RBX: 00007ffc2d4f85e0 RCX: 00007fa5d7e3b1d7 [ 2.090167] RDX: 0000000000000000 RSI: 00007ffc2d4f7f10 RDI: 0000000000000005 [ 2.090235] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 2.090304] R10: 00007fa5d7d37510 R11: 0000000000000246 R12: 0000000000000003 [ 2.090373] R13: 00000000691cc888 R14: 0000000000499600 R15: 0000000000000000 [ 2.090441] [ 2.090462] Modules linked in: ip_gre gre [ 2.090502] CR2: 0000000000000000 [ 2.090538] ---[ end trace 0000000000000000 ]--- [ 2.090582] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.090634] 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 [ 2.090791] RSP: 0018:ffffc05cc02936b8 EFLAGS: 00010046 [ 2.090836] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.090902] RDX: ffffc05cc02936f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.090968] RBP: ffffc05cc02936f0 R08: ffffffffb0e93e00 R09: 0000000000000101 [ 2.091035] R10: ffffffffb1a080d8 R11: ffffc05cc0110ff8 R12: 0000000000000000 [ 2.091104] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.091173] FS: 00007fa5d7c6d800(0000) GS:ffffa0284ca91000(0000) knlGS:0000000000000000 [ 2.091241] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.091298] CR2: 0000000000000000 CR3: 0000000004fb4001 CR4: 0000000000772ef0 [ 2.091367] PKRU: 55555554 [ 2.091389] note: ip[276] exited with irqs disabled [ 2.091621] ip (276) used greatest stack depth: 11592 bytes left