[ 1.934674] netdevsim netdevsim347 eni347np1: renamed from eth0 [ 2.019641] netdevsim netdevsim347 eni347np1: set [0, 0] type 1 family 0 port 4789 - 0 [ 2.066972] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.067049] #PF: supervisor write access in kernel mode [ 2.067094] #PF: error_code(0x0002) - not-present page [ 2.067140] PGD 71bf067 P4D 71bf067 PUD 71fb067 PMD 0 [ 2.067194] Oops: Oops: 0002 [#1] SMP [ 2.067238] CPU: 2 UID: 0 PID: 255 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.067324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.067381] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.067439] 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 [ 2.067600] RSP: 0018:ffffb21d402d36b8 EFLAGS: 00010046 [ 2.067647] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffffffffaf39af80 [ 2.067723] RDX: ffffb21d402d36f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.067792] RBP: ffffb21d402d36f0 R08: 0000000000000400 R09: 0000000000000001 [ 2.067861] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 2.067930] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.068001] FS: 00007fa8ae48d800(0000) GS:ffff94774eed9000(0000) knlGS:0000000000000000 [ 2.068077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.068133] CR2: 0000000000000000 CR3: 000000000332c002 CR4: 0000000000772ef0 [ 2.068203] PKRU: 55555554 [ 2.068232] Call Trace: [ 2.068258] [ 2.068281] __cancel_work+0x29/0xe0 [ 2.068321] __cancel_work_sync+0x16/0x80 [ 2.068363] __dev_close_many+0x113/0x2b0 [ 2.068405] __dev_change_flags+0xed/0x220 [ 2.068440] netif_change_flags+0x25/0x60 [ 2.068474] do_setlink.constprop.0+0x2fd/0x1170 [ 2.068528] ? __nla_validate_parse+0x5d/0xe70 [ 2.068581] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.068635] rtnl_newlink+0x7fa/0xc00 [ 2.068677] ? virtio_fs_enqueue_req+0x511/0x570 [ 2.068730] ? netdev_run_todo+0x63/0x550 [ 2.068772] ? rtnl_setlink+0x2c0/0x2c0 [ 2.068807] rtnetlink_rcv_msg+0x358/0x400 [ 2.068842] ? get_page_from_freelist+0x15b4/0x1770 [ 2.068894] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.068941] netlink_rcv_skb+0x57/0x100 [ 2.068983] netlink_unicast+0x252/0x380 [ 2.069017] ? __alloc_skb+0xfc/0x1e0 [ 2.069059] netlink_sendmsg+0x1be/0x3e0 [ 2.069093] ____sys_sendmsg+0x132/0x260 [ 2.069134] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.069187] ___sys_sendmsg+0x87/0xd0 [ 2.069222] ? do_wp_page+0x369/0xe90 [ 2.069263] ? ___pte_offset_map+0x1b/0xd0 [ 2.069306] ? __handle_mm_fault+0x4e6/0xe50 [ 2.069352] ? fsnotify_grab_connector+0x48/0x80 [ 2.069405] ? fsnotify_destroy_marks+0x29/0x150 [ 2.069451] __sys_sendmsg+0x71/0xd0 [ 2.069495] do_syscall_64+0xa4/0xfd0 [ 2.069538] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.069591] RIP: 0033:0x7fa8ae65b1d7 [ 2.069633] 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 [ 2.069800] RSP: 002b:00007ffc506e9f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.069869] RAX: ffffffffffffffda RBX: 00007ffc506ea630 RCX: 00007fa8ae65b1d7 [ 2.069938] RDX: 0000000000000000 RSI: 00007ffc506e9f70 RDI: 0000000000000005 [ 2.070006] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 2.070074] R10: 00007fa8ae557f60 R11: 0000000000000246 R12: 0000000000000003 [ 2.070143] R13: 00000000691cbd26 R14: 0000000000499600 R15: 0000000000000000 [ 2.070213] [ 2.070235] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel netdevsim [ 2.070301] CR2: 0000000000000000 [ 2.070334] ---[ end trace 0000000000000000 ]--- [ 2.070380] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.070434] 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 [ 2.070596] RSP: 0018:ffffb21d402d36b8 EFLAGS: 00010046 [ 2.070642] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffffffffaf39af80 [ 2.070710] RDX: ffffb21d402d36f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.070779] RBP: ffffb21d402d36f0 R08: 0000000000000400 R09: 0000000000000001 [ 2.070848] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 2.070916] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.070986] FS: 00007fa8ae48d800(0000) GS:ffff94774eed9000(0000) knlGS:0000000000000000 [ 2.071063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.071119] CR2: 0000000000000000 CR3: 000000000332c002 CR4: 0000000000772ef0 [ 2.071189] PKRU: 55555554 [ 2.071218] note: ip[255] exited with irqs disabled [ 2.071434] ip (255) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr