[ 2.208622] netdevsim netdevsim23742 eni23742np1: renamed from eth0 [ 2.673380] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.673472] #PF: supervisor write access in kernel mode [ 2.673515] #PF: error_code(0x0002) - not-present page [ 2.673559] PGD 320c067 P4D 320c067 PUD 1b18067 PMD 0 [ 2.673605] Oops: Oops: 0002 [#1] SMP [ 2.673640] CPU: 0 UID: 0 PID: 248 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.673720] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.673776] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.673831] 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 [ 2.673986] RSP: 0018:ffffafd2c05676b8 EFLAGS: 00010046 [ 2.674030] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000080100003 [ 2.674097] RDX: ffffafd2c05676f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.674163] RBP: ffffafd2c05676f0 R08: 0000000000000001 R09: ffffffffb473c800 [ 2.674229] R10: ffff993c467db800 R11: 0000000000000001 R12: 0000000000000000 [ 2.674294] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.674363] FS: 00007f83e73fc800(0000) GS:ffff993cc8fd6000(0000) knlGS:0000000000000000 [ 2.674435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.674494] CR2: 0000000000000000 CR3: 0000000001b13002 CR4: 0000000000772ef0 [ 2.674560] PKRU: 55555554 [ 2.674581] Call Trace: [ 2.674605] [ 2.674627] __cancel_work+0x29/0xe0 [ 2.674667] __cancel_work_sync+0x16/0x80 [ 2.674706] __dev_close_many+0x113/0x2b0 [ 2.674745] __dev_change_flags+0xed/0x220 [ 2.674786] netif_change_flags+0x25/0x60 [ 2.674826] do_setlink.constprop.0+0x2fd/0x1170 [ 2.674876] ? __nla_validate_parse+0x5d/0xe70 [ 2.674928] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.674981] rtnl_newlink+0x7fa/0xc00 [ 2.675019] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.675069] ? netdev_run_todo+0x63/0x550 [ 2.675103] ? rtnl_setlink+0x2c0/0x2c0 [ 2.675141] rtnetlink_rcv_msg+0x358/0x400 [ 2.675184] ? get_page_from_freelist+0x15b4/0x1770 [ 2.675239] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.675283] netlink_rcv_skb+0x57/0x100 [ 2.675318] netlink_unicast+0x252/0x380 [ 2.675355] ? __alloc_skb+0xfc/0x1e0 [ 2.675388] netlink_sendmsg+0x1be/0x3e0 [ 2.675429] ____sys_sendmsg+0x132/0x260 [ 2.675468] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.675511] ___sys_sendmsg+0x87/0xd0 [ 2.675551] ? do_wp_page+0x369/0xe90 [ 2.675590] ? ___pte_offset_map+0x1b/0xd0 [ 2.675630] ? __handle_mm_fault+0x4e6/0xe50 [ 2.675676] ? fsnotify_grab_connector+0x48/0x80 [ 2.675729] ? fsnotify_destroy_marks+0x29/0x150 [ 2.675774] __sys_sendmsg+0x71/0xd0 [ 2.675808] do_syscall_64+0xa4/0xfd0 [ 2.675847] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.675892] RIP: 0033:0x7f83e75ca1d7 [ 2.675926] 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 [ 2.676088] RSP: 002b:00007ffe96c70628 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.676154] RAX: ffffffffffffffda RBX: 00007ffe96c70d50 RCX: 00007f83e75ca1d7 [ 2.676227] RDX: 0000000000000000 RSI: 00007ffe96c70690 RDI: 0000000000000003 [ 2.676295] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 2.676376] R10: 00007f83e74c6f60 R11: 0000000000000246 R12: 0000000000000003 [ 2.676449] R13: 00000000691cbc58 R14: 0000000000499600 R15: 0000000000000000 [ 2.676517] [ 2.676538] Modules linked in: netdevsim [ 2.676573] CR2: 0000000000000000 [ 2.676604] ---[ end trace 0000000000000000 ]--- [ 2.676648] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.676701] 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 [ 2.676859] RSP: 0018:ffffafd2c05676b8 EFLAGS: 00010046 [ 2.676903] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000080100003 [ 2.676971] RDX: ffffafd2c05676f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.677035] RBP: ffffafd2c05676f0 R08: 0000000000000001 R09: ffffffffb473c800 [ 2.677102] R10: ffff993c467db800 R11: 0000000000000001 R12: 0000000000000000 [ 2.677168] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.677235] FS: 00007f83e73fc800(0000) GS:ffff993cc8fd6000(0000) knlGS:0000000000000000 [ 2.677307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.677362] CR2: 0000000000000000 CR3: 0000000001b13002 CR4: 0000000000772ef0 [ 2.677428] PKRU: 55555554 [ 2.677448] note: ip[248] exited with irqs disabled [ 2.677641] ip (248) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr