9pnet: Insufficient options for proto=fd 9pnet: Insufficient options for proto=fd list_del corruption, ffff888098d8acb0->next is LIST_POISON1 (dead000000000100) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:45! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 13580 Comm: kworker/1:0 Not tainted 4.19.80 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events p9_read_work RIP: 0010:__list_del_entry_valid.cold+0x23/0x4f lib/list_debug.c:45 Code: e8 35 1a 31 fe 0f 0b 4c 89 f6 48 c7 c7 e0 3f 82 87 e8 24 1a 31 fe 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 20 3f 82 87 e8 10 1a 31 fe <0f> 0b 4c 89 e2 4c 89 f6 48 c7 c7 80 3f 82 87 e8 fc 19 31 fe 0f 0b RSP: 0018:ffff888083dcfc48 EFLAGS: 00010286 RAX: 000000000000004e RBX: ffff888098d8ac00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81553f06 RDI: ffffed10107b9f7b RBP: ffff888083dcfc60 R08: 000000000000004e R09: ffffed1015d25079 R10: ffffed1015d25078 R11: ffff8880ae9283c7 R12: dead000000000200 R13: dead000000000100 R14: ffff888098d8acb0 R15: ffff888098d8acb0 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 9pnet: Insufficient options for proto=fd CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffbc8de4d9 CR3: 000000008a8d0000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:117 [inline] list_del include/linux/list.h:125 [inline] p9_read_work+0x9e5/0x1050 net/9p/trans_fd.c:378 process_one_work+0x989/0x1750 kernel/workqueue.c:2153 worker_thread+0x98/0xe40 kernel/workqueue.c:2296 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Modules linked in: ---[ end trace 491f9057387148a6 ]--- RIP: 0010:__list_del_entry_valid.cold+0x23/0x4f lib/list_debug.c:45 Code: e8 35 1a 31 fe 0f 0b 4c 89 f6 48 c7 c7 e0 3f 82 87 e8 24 1a 31 fe 0f 0b 4c 89 ea 4c 89 f6 48 c7 c7 20 3f 82 87 e8 10 1a 31 fe <0f> 0b 4c 89 e2 4c 89 f6 48 c7 c7 80 3f 82 87 e8 fc 19 31 fe 0f 0b kobject: 'loop0' (000000003e27d849): kobject_uevent_env RSP: 0018:ffff888083dcfc48 EFLAGS: 00010286 RAX: 000000000000004e RBX: ffff888098d8ac00 RCX: 0000000000000000 kobject: 'loop0' (000000003e27d849): fill_kobj_path: path = '/devices/virtual/block/loop0' RDX: 0000000000000000 RSI: ffffffff81553f06 RDI: ffffed10107b9f7b kobject: 'loop4' (000000005f191186): kobject_uevent_env RBP: ffff888083dcfc60 R08: 000000000000004e R09: ffffed1015d25079 R10: ffffed1015d25078 R11: ffff8880ae9283c7 R12: dead000000000200 R13: dead000000000100 R14: ffff888098d8acb0 R15: ffff888098d8acb0 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffbc8de4d9 CR3: 000000008a8d0000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'loop4' (000000005f191186): fill_kobj_path: path = '/devices/virtual/block/loop4' DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400