list_del corruption, ffff88807511ab80->next is LIST_POISON1 (dead000000000100) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:58! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 16589 Comm: kworker/u5:1 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 Workqueue: hci0 hci_cmd_sync_work RIP: 0010:__list_del_entry_valid_or_report+0xe9/0x130 lib/list_debug.c:56 Code: 48 89 de e8 49 9a 4a 06 0f 0b 48 c7 c7 20 3f 1d 8b 48 89 de e8 38 9a 4a 06 0f 0b 48 c7 c7 80 3f 1d 8b 48 89 de e8 27 9a 4a 06 <0f> 0b 48 c7 c7 e0 3f 1d 8b 48 89 de e8 16 9a 4a 06 0f 0b 48 c7 c7 RSP: 0000:ffffc900037afa00 EFLAGS: 00010246 RAX: 000000000000004e RBX: ffff88807511ab80 RCX: b7be3b4f65e01700 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff1100ea23573 R08: ffffc900037af707 R09: 1ffff920006f5ee0 R10: dffffc0000000000 R11: fffff520006f5ee1 R12: dffffc0000000000 R13: dffffc0000000000 R14: dead000000000100 R15: dead000000000122 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30911ff8 CR3: 0000000041f6f000 CR4: 00000000003506f0 Call Trace: __list_del_entry_valid include/linux/list.h:124 [inline] __list_del_entry include/linux/list.h:222 [inline] list_del include/linux/list.h:236 [inline] mgmt_pending_remove+0x53/0x1f0 net/bluetooth/mgmt_util.c:317 mgmt_add_adv_patterns_monitor_complete+0x45d/0x730 net/bluetooth/mgmt.c:5422 hci_cmd_sync_work+0x24b/0x380 net/bluetooth/hci_sync.c:335 process_one_work kernel/workqueue.c:2657 [inline] process_scheduled_works+0xa60/0x1600 kernel/workqueue.c:2734 worker_thread+0xa5e/0xfe0 kernel/workqueue.c:2815 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0xe9/0x130 lib/list_debug.c:56 Code: 48 89 de e8 49 9a 4a 06 0f 0b 48 c7 c7 20 3f 1d 8b 48 89 de e8 38 9a 4a 06 0f 0b 48 c7 c7 80 3f 1d 8b 48 89 de e8 27 9a 4a 06 <0f> 0b 48 c7 c7 e0 3f 1d 8b 48 89 de e8 16 9a 4a 06 0f 0b 48 c7 c7 RSP: 0000:ffffc900037afa00 EFLAGS: 00010246 RAX: 000000000000004e RBX: ffff88807511ab80 RCX: b7be3b4f65e01700 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff1100ea23573 R08: ffffc900037af707 R09: 1ffff920006f5ee0 R10: dffffc0000000000 R11: fffff520006f5ee1 R12: dffffc0000000000 R13: dffffc0000000000 R14: dead000000000100 R15: dead000000000122 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4e0af57e20 CR3: 000000002d7ae000 CR4: 00000000003506f0