[ 1.965346] netdevsim netdevsim1337 eni1337np1: renamed from eth0 [ 2.234549] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.234633] #PF: supervisor write access in kernel mode [ 2.234673] #PF: error_code(0x0002) - not-present page [ 2.234703] PGD 5f1e067 P4D 5f1e067 PUD 5ebc067 PMD 0 [ 2.234742] Oops: Oops: 0002 [#1] SMP [ 2.234782] CPU: 2 UID: 0 PID: 284 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.234860] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.234916] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.234975] 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 [ 2.235111] RSP: 0018:ffffaa7bc0323610 EFLAGS: 00010046 [ 2.235151] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.235218] RDX: ffffaa7bc0323648 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.235282] RBP: ffffaa7bc0323648 R08: ffffffffb7850fb0 R09: 0000000000000101 [ 2.235337] R10: ffffffffb80080d8 R11: ffffaa7bc0110ff8 R12: 0000000000000000 [ 2.235402] R13: ffffaa7bc0323740 R14: 0000000000000020 R15: 00000000ffffffff [ 2.235455] FS: 00007f2388bbf800(0000) GS:ffff8ee8064d9000(0000) knlGS:0000000000000000 [ 2.235517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.235557] CR2: 0000000000000000 CR3: 0000000005f76001 CR4: 0000000000772ef0 [ 2.235607] PKRU: 55555554 [ 2.235632] Call Trace: [ 2.235652] [ 2.235679] __cancel_work+0x29/0xe0 [ 2.235708] ? dev_deactivate_many+0x2c9/0x300 [ 2.235750] __cancel_work_sync+0x16/0x80 [ 2.235778] __dev_close_many+0x113/0x2b0 [ 2.235815] netif_close_many+0x98/0x160 [ 2.235850] unregister_netdevice_many_notify+0x10c/0xaa0 [ 2.235891] rtnl_dellink+0x156/0x350 [ 2.235926] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.235976] ? netdev_run_todo+0x63/0x550 [ 2.236003] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 2.236042] rtnetlink_rcv_msg+0x358/0x400 [ 2.236077] ? get_page_from_freelist+0x15b4/0x1770 [ 2.236123] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.236163] netlink_rcv_skb+0x57/0x100 [ 2.236205] netlink_unicast+0x252/0x380 [ 2.236242] ? __alloc_skb+0xfc/0x1e0 [ 2.236276] netlink_sendmsg+0x1be/0x3e0 [ 2.236312] ____sys_sendmsg+0x132/0x260 [ 2.236343] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.236380] ___sys_sendmsg+0x87/0xd0 [ 2.236410] ? do_wp_page+0x369/0xe90 [ 2.236440] ? ___pte_offset_map+0x1b/0xd0 [ 2.236473] ? __handle_mm_fault+0x4e6/0xe50 [ 2.236545] ? fsnotify_grab_connector+0x48/0x80 [ 2.236589] ? fsnotify_destroy_marks+0x29/0x150 [ 2.236624] __sys_sendmsg+0x71/0xd0 [ 2.236661] do_syscall_64+0xa4/0xfd0 [ 2.236714] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.236772] RIP: 0033:0x7f2388d8d1d7 [ 2.236802] 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 [ 2.236947] RSP: 002b:00007fff2882b2e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.237001] RAX: ffffffffffffffda RBX: 00007fff2882ba20 RCX: 00007f2388d8d1d7 [ 2.237060] RDX: 0000000000000000 RSI: 00007fff2882b350 RDI: 0000000000000005 [ 2.237110] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 2.237164] R10: 00007f2388c89510 R11: 0000000000000246 R12: 0000000000000002 [ 2.237219] R13: 00000000691cc637 R14: 0000000000499600 R15: 0000000000000000 [ 2.237277] [ 2.237307] Modules linked in: netdevsim [ 2.237350] CR2: 0000000000000000 [ 2.237377] ---[ end trace 0000000000000000 ]--- [ 2.237412] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.237448] 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 [ 2.237557] RSP: 0018:ffffaa7bc0323610 EFLAGS: 00010046 [ 2.237592] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.237641] RDX: ffffaa7bc0323648 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.237705] RBP: ffffaa7bc0323648 R08: ffffffffb7850fb0 R09: 0000000000000101 [ 2.237754] R10: ffffffffb80080d8 R11: ffffaa7bc0110ff8 R12: 0000000000000000 [ 2.237803] R13: ffffaa7bc0323740 R14: 0000000000000020 R15: 00000000ffffffff [ 2.237869] FS: 00007f2388bbf800(0000) GS:ffff8ee8064d9000(0000) knlGS:0000000000000000 [ 2.237919] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.237968] CR2: 0000000000000000 CR3: 0000000005f76001 CR4: 0000000000772ef0 [ 2.238013] PKRU: 55555554 [ 2.238032] note: ip[284] exited with irqs disabled [ 2.238369] ip (284) used greatest stack depth: 11432 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr