list_del corruption. prev->next should be ffff00010d1f5540, but was ffff00010d1f4540. (prev=ffff00010d1f4540) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 3070 Comm: kworker/u5:1 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 Workqueue: hci2 hci_error_reset pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __list_del_entry_valid+0xbc/0xd0 lib/list_debug.c:59 lr : __list_del_entry_valid+0xbc/0xd0 lib/list_debug.c:59 sp : ffff800012a5bb30 x29: ffff800012a5bb30 x28: ffff80000d28b000 x27: ffff0000c6aa5625 x26: ffff00010d1f5648 x25: ffff00010d1f5658 x24: 0000000000000000 x23: ffff0000cb171a80 x22: 0000000004208060 x21: 000000000000000c x20: ffff00010d1f5540 x19: ffff00010d1f5538 x18: 00000000000000c0 x17: 20747562202c3034 x16: ffff80000db49158 x15: ffff0000cb171a80 x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000cb171a80 x11: ff808000081c0d5c x10: 0000000000000000 x9 : b5ae310299d09200 x8 : b5ae310299d09200 x7 : ffff80000819545c x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffff0001fefbecd0 x1 : 0000000000000001 x0 : 000000000000006d Call trace: __list_del_entry_valid+0xbc/0xd0 lib/list_debug.c:59 __list_del_entry include/linux/list.h:134 [inline] list_del_init include/linux/list.h:206 [inline] kobj_kset_leave lib/kobject.c:175 [inline] __kobject_del+0xa8/0x1f8 lib/kobject.c:592 kobject_del+0x28/0x110 lib/kobject.c:611 device_del+0x46c/0x5bc drivers/base/core.c:3715 hci_conn_del_sysfs+0xb0/0xfc net/bluetooth/hci_sysfs.c:78 hci_conn_cleanup+0x2d4/0x380 net/bluetooth/hci_conn.c:147 hci_conn_del+0x144/0x2a8 net/bluetooth/hci_conn.c:1022 hci_conn_hash_flush+0xe8/0x148 net/bluetooth/hci_conn.c:2367 hci_dev_close_sync+0x48c/0x9e0 net/bluetooth/hci_sync.c:4476 hci_dev_do_close net/bluetooth/hci_core.c:554 [inline] hci_error_reset+0xac/0x154 net/bluetooth/hci_core.c:1050 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 Code: d001b460 91346000 aa0803e3 94a76157 (d4210000) ---[ end trace 0000000000000000 ]---