[ 1.966787] ip (249) used greatest stack depth: 12360 bytes left [ 2.128456] ip (257) used greatest stack depth: 12328 bytes left [ 2.579358] gre: GRE over IPv4 demultiplexer driver [ 2.580888] ip_gre: GRE over IPv4 tunneling driver [ 2.612378] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.612471] #PF: supervisor write access in kernel mode [ 2.612529] #PF: error_code(0x0002) - not-present page [ 2.612586] PGD 3012067 P4D 3012067 PUD 3013067 PMD 0 [ 2.612647] Oops: Oops: 0002 [#1] SMP [ 2.612693] CPU: 1 UID: 0 PID: 310 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.612788] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.612855] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.612927] 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 [ 2.613103] RSP: 0018:ffff9c0ac02db628 EFLAGS: 00010046 [ 2.613158] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 2.613237] RDX: ffff9c0ac02db660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.613310] RBP: ffff9c0ac02db660 R08: 0000000000000800 R09: 0000000000000001 [ 2.613388] R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000000000 [ 2.613466] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.613540] FS: 00007f68e6601800(0000) GS:ffff8cbfaac5a000(0000) knlGS:0000000000000000 [ 2.613624] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.613688] CR2: 0000000000000000 CR3: 00000000058d8006 CR4: 0000000000772ef0 [ 2.613769] PKRU: 55555554 [ 2.613797] Call Trace: [ 2.613823] [ 2.613856] __cancel_work+0x29/0xe0 [ 2.613905] ? dev_deactivate_many+0x2c9/0x300 [ 2.613966] __cancel_work_sync+0x16/0x80 [ 2.614009] __dev_close_many+0x11b/0x280 [ 2.614066] __dev_change_flags+0xed/0x220 [ 2.614117] netif_change_flags+0x25/0x60 [ 2.614164] dev_change_flags+0x40/0x80 [ 2.614211] cycle_netdev+0x36/0x70 [vrf] [ 2.614259] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.614300] do_set_master+0x10b/0x170 [ 2.614352] do_setlink.constprop.0+0x320/0x1120 [ 2.614412] ? __nla_validate_parse+0x5d/0xe70 [ 2.614474] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.614547] rtnl_newlink+0x7fa/0xbc0 [ 2.614590] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.614652] ? common_interrupt+0x13/0x90 [ 2.614704] ? rtnl_setlink+0x2c0/0x2c0 [ 2.614746] rtnetlink_rcv_msg+0x358/0x400 [ 2.614790] ? get_page_from_freelist+0x15b4/0x1770 [ 2.614850] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.614905] netlink_rcv_skb+0x57/0x100 [ 2.614961] netlink_unicast+0x252/0x380 [ 2.615007] ? __alloc_skb+0xfc/0x1e0 [ 2.615057] netlink_sendmsg+0x1be/0x3e0 [ 2.615102] ____sys_sendmsg+0x132/0x260 [ 2.615152] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.615212] ___sys_sendmsg+0x87/0xd0 [ 2.615259] ? do_wp_page+0x369/0xe90 [ 2.615312] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.615373] ? fsnotify_grab_connector+0x48/0x80 [ 2.615434] ? fsnotify_destroy_marks+0x29/0x150 [ 2.615490] __sys_sendmsg+0x71/0xd0 [ 2.615534] do_syscall_64+0xa4/0xfd0 [ 2.615582] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.615645] RIP: 0033:0x7f68e67cf1d7 [ 2.615690] 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 [ 2.615866] RSP: 002b:00007ffda33b8a38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.615944] RAX: ffffffffffffffda RBX: 00007ffda33b9160 RCX: 00007f68e67cf1d7 [ 2.616023] RDX: 0000000000000000 RSI: 00007ffda33b8aa0 RDI: 0000000000000005 [ 2.616103] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 2.616182] R10: 000000000b461910 R11: 0000000000000246 R12: 0000000000000003 [ 2.616260] R13: 00000000691cd5aa R14: 0000000000499600 R15: 0000000000000000 [ 2.616338] [ 2.616366] Modules linked in: ip_gre gre sch_ingress vrf veth [ 2.616442] CR2: 0000000000000000 [ 2.616484] ---[ end trace 0000000000000000 ]--- [ 2.616539] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.616603] 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 [ 2.616779] RSP: 0018:ffff9c0ac02db628 EFLAGS: 00010046 [ 2.616834] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 2.616907] RDX: ffff9c0ac02db660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.616986] RBP: ffff9c0ac02db660 R08: 0000000000000800 R09: 0000000000000001 [ 2.617066] R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000000000 [ 2.617144] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.617220] FS: 00007f68e6601800(0000) GS:ffff8cbfaac5a000(0000) knlGS:0000000000000000 [ 2.617299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.617367] CR2: 0000000000000000 CR3: 00000000058d8006 CR4: 0000000000772ef0 [ 2.617448] PKRU: 55555554 [ 2.617478] note: ip[310] exited with irqs disabled [ 2.617933] ip (310) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr