[ 1.832943] ip (247) used greatest stack depth: 12424 bytes left [ 2.005842] ip (255) used greatest stack depth: 12328 bytes left [ 2.333536] 8021q: 802.1Q VLAN Support v1.8 [ 2.418068] gre: GRE over IPv4 demultiplexer driver [ 2.419404] ip_gre: GRE over IPv4 tunneling driver [ 2.441642] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.441731] #PF: supervisor write access in kernel mode [ 2.441779] #PF: error_code(0x0002) - not-present page [ 2.441825] PGD 6b5b067 P4D 6b5b067 PUD 6bbb067 PMD 0 [ 2.441878] Oops: Oops: 0002 [#1] SMP [ 2.441915] CPU: 0 UID: 0 PID: 314 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.441994] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.442050] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.442101] 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 [ 2.442253] RSP: 0018:ffffb603002b3628 EFLAGS: 00010046 [ 2.442304] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.442373] RDX: ffffb603002b3660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.442432] RBP: ffffb603002b3660 R08: ffffffffa8262a60 R09: 0000000000000101 [ 2.442495] R10: ffffffffa8a080d8 R11: ffffb60300003ff8 R12: 0000000000000000 [ 2.442557] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.442621] FS: 00007f26b3b31800(0000) GS:ffff8bc3559da000(0000) knlGS:0000000000000000 [ 2.442695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.442752] CR2: 0000000000000000 CR3: 0000000006bae001 CR4: 0000000000772ef0 [ 2.442814] PKRU: 55555554 [ 2.442842] Call Trace: [ 2.442863] [ 2.442891] __cancel_work+0x29/0xe0 [ 2.442929] ? dev_deactivate_many+0x2c9/0x300 [ 2.442980] __cancel_work_sync+0x16/0x80 [ 2.443017] __dev_close_many+0x11b/0x280 [ 2.443055] __dev_change_flags+0xed/0x220 [ 2.443091] netif_change_flags+0x25/0x60 [ 2.443131] dev_change_flags+0x40/0x80 [ 2.443170] cycle_netdev+0x36/0x70 [vrf] [ 2.443208] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.443249] do_set_master+0x10b/0x170 [ 2.443285] do_setlink.constprop.0+0x320/0x1120 [ 2.443332] ? __nla_validate_parse+0x5d/0xe70 [ 2.443381] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.443429] rtnl_newlink+0x7fa/0xbc0 [ 2.443467] ? virtio_fs_enqueue_req+0x32c/0x570 [ 2.443512] ? __rtnl_unlock+0x37/0x60 [ 2.443550] ? netdev_run_todo+0x63/0x550 [ 2.443588] ? rtnl_setlink+0x2c0/0x2c0 [ 2.443624] rtnetlink_rcv_msg+0x358/0x400 [ 2.443660] ? get_page_from_freelist+0x15b4/0x1770 [ 2.443710] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.443756] netlink_rcv_skb+0x57/0x100 [ 2.443797] netlink_unicast+0x252/0x380 [ 2.443833] ? __alloc_skb+0xfc/0x1e0 [ 2.443871] netlink_sendmsg+0x1be/0x3e0 [ 2.443914] ____sys_sendmsg+0x132/0x260 [ 2.443954] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.444005] ___sys_sendmsg+0x87/0xd0 [ 2.444045] ? ___sys_recvmsg+0x87/0xc0 [ 2.444082] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.444134] ? fsnotify_grab_connector+0x48/0x80 [ 2.444185] ? fsnotify_destroy_marks+0x29/0x150 [ 2.444228] __sys_sendmsg+0x71/0xd0 [ 2.444266] do_syscall_64+0xa4/0xfd0 [ 2.444303] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.444353] RIP: 0033:0x7f26b3cff1d7 [ 2.444390] 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 [ 2.444543] RSP: 002b:00007ffe3a8059e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.444614] RAX: ffffffffffffffda RBX: 00007ffe3a806110 RCX: 00007f26b3cff1d7 [ 2.444677] RDX: 0000000000000000 RSI: 00007ffe3a805a50 RDI: 0000000000000005 [ 2.444746] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 2.444809] R10: 0000000030c27910 R11: 0000000000000246 R12: 0000000000000004 [ 2.444872] R13: 00000000691cc926 R14: 0000000000499600 R15: 0000000000000000 [ 2.444936] [ 2.444963] Modules linked in: ip_gre gre 8021q vrf veth [ 2.445014] CR2: 0000000000000000 [ 2.445050] ---[ end trace 0000000000000000 ]--- [ 2.445095] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.445145] 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 [ 2.445295] RSP: 0018:ffffb603002b3628 EFLAGS: 00010046 [ 2.445344] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.445407] RDX: ffffb603002b3660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.445469] RBP: ffffb603002b3660 R08: ffffffffa8262a60 R09: 0000000000000101 [ 2.445537] R10: ffffffffa8a080d8 R11: ffffb60300003ff8 R12: 0000000000000000 [ 2.445602] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.445668] FS: 00007f26b3b31800(0000) GS:ffff8bc3559da000(0000) knlGS:0000000000000000 [ 2.445738] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.445796] CR2: 0000000000000000 CR3: 0000000006bae001 CR4: 0000000000772ef0 [ 2.445860] PKRU: 55555554 [ 2.445889] note: ip[314] exited with irqs disabled [ 2.446083] ip (314) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr