[ 2.073032] ip (261) used greatest stack depth: 12296 bytes left [ 2.700637] 8021q: 802.1Q VLAN Support v1.8 [ 2.753372] gre: GRE over IPv4 demultiplexer driver [ 2.760924] ip6_gre: GRE over IPv6 tunneling driver [ 3.036010] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 3.036087] #PF: supervisor write access in kernel mode [ 3.036134] #PF: error_code(0x0002) - not-present page [ 3.036175] PGD 6c52067 P4D 6c52067 PUD 6c4b067 PMD 0 [ 3.036222] Oops: Oops: 0002 [#1] SMP [ 3.036255] CPU: 0 UID: 0 PID: 360 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 3.036332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3.036391] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 3.036443] 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 [ 3.036594] RSP: 0018:ffffb8e100363628 EFLAGS: 00010046 [ 3.036646] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 3.036706] RDX: ffffb8e100363660 RSI: 0000000000000000 RDI: 0000000000000000 [ 3.036773] RBP: ffffb8e100363660 R08: ffffffffa5462a60 R09: 0000000000000101 [ 3.036830] R10: ffffffffa5c080d8 R11: ffffb8e100003ff8 R12: 0000000000000000 [ 3.036893] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 3.036961] FS: 00007f6b82c04800(0000) GS:ffff9235987da000(0000) knlGS:0000000000000000 [ 3.037034] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.037086] CR2: 0000000000000000 CR3: 00000000063c9005 CR4: 0000000000772ef0 [ 3.037146] PKRU: 55555554 [ 3.037171] Call Trace: [ 3.037193] [ 3.037221] __cancel_work+0x29/0xe0 [ 3.037260] ? dev_deactivate_many+0x2c9/0x300 [ 3.037310] __cancel_work_sync+0x16/0x80 [ 3.037351] __dev_close_many+0x11b/0x280 [ 3.037393] __dev_change_flags+0xed/0x220 [ 3.037436] netif_change_flags+0x25/0x60 [ 3.037472] dev_change_flags+0x40/0x80 [ 3.037509] cycle_netdev+0x36/0x70 [vrf] [ 3.037543] vrf_add_slave+0x5a/0xb0 [vrf] [ 3.037583] do_set_master+0x10b/0x170 [ 3.037631] do_setlink.constprop.0+0x320/0x1120 [ 3.037679] ? __nla_validate_parse+0x5d/0xe70 [ 3.037734] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 3.037783] rtnl_newlink+0x7fa/0xbc0 [ 3.037823] ? virtio_fs_enqueue_req+0x32c/0x570 [ 3.037872] ? __rtnl_unlock+0x37/0x60 [ 3.037907] ? netdev_run_todo+0x63/0x550 [ 3.037944] ? rtnl_setlink+0x2c0/0x2c0 [ 3.037984] rtnetlink_rcv_msg+0x358/0x400 [ 3.038019] ? get_page_from_freelist+0x15b4/0x1770 [ 3.038063] ? rtnl_calcit.isra.0+0x110/0x110 [ 3.038108] netlink_rcv_skb+0x57/0x100 [ 3.038148] netlink_unicast+0x252/0x380 [ 3.038188] ? __alloc_skb+0xfc/0x1e0 [ 3.038221] netlink_sendmsg+0x1be/0x3e0 [ 3.038259] ____sys_sendmsg+0x132/0x260 [ 3.038299] ? copy_msghdr_from_user+0x6c/0xa0 [ 3.038348] ___sys_sendmsg+0x87/0xd0 [ 3.038383] ? ___sys_recvmsg+0x87/0xc0 [ 3.038421] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 3.038468] ? fsnotify_grab_connector+0x48/0x80 [ 3.038511] ? fsnotify_destroy_marks+0x29/0x150 [ 3.038564] __sys_sendmsg+0x71/0xd0 [ 3.038602] do_syscall_64+0xa4/0xfd0 [ 3.038641] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 3.038685] RIP: 0033:0x7f6b82dd21d7 [ 3.038723] 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 [ 3.038873] RSP: 002b:00007ffffa0af278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3.038936] RAX: ffffffffffffffda RBX: 00007ffffa0af9a0 RCX: 00007f6b82dd21d7 [ 3.039002] RDX: 0000000000000000 RSI: 00007ffffa0af2e0 RDI: 0000000000000005 [ 3.039068] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 3.039130] R10: 00000000364c2910 R11: 0000000000000246 R12: 0000000000000004 [ 3.039197] R13: 00000000691cc8c4 R14: 0000000000499600 R15: 0000000000000000 [ 3.039267] [ 3.039291] Modules linked in: ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth [ 3.039362] CR2: 0000000000000000 [ 3.039398] ---[ end trace 0000000000000000 ]--- [ 3.039445] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 3.039494] 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 [ 3.039643] RSP: 0018:ffffb8e100363628 EFLAGS: 00010046 [ 3.039691] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 3.039756] RDX: ffffb8e100363660 RSI: 0000000000000000 RDI: 0000000000000000 [ 3.039821] RBP: ffffb8e100363660 R08: ffffffffa5462a60 R09: 0000000000000101 [ 3.039885] R10: ffffffffa5c080d8 R11: ffffb8e100003ff8 R12: 0000000000000000 [ 3.039950] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 3.040009] FS: 00007f6b82c04800(0000) GS:ffff9235987da000(0000) knlGS:0000000000000000 [ 3.040075] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.040129] CR2: 0000000000000000 CR3: 00000000063c9005 CR4: 0000000000772ef0 [ 3.040199] PKRU: 55555554 [ 3.040225] note: ip[360] exited with irqs disabled [ 3.040507] ip (360) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr