list_del corruption, ffff888021fb4a80->next is LIST_POISON1 (dead000000000100) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:58! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 9062 Comm: syz.1.833 Not tainted 6.12.0-syzkaller-10681-g65ae975e97d5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__list_del_entry_valid_or_report+0xf4/0x140 lib/list_debug.c:56 Code: e8 f1 d8 08 07 90 0f 0b 48 c7 c7 20 5c 61 8c 4c 89 fe e8 df d8 08 07 90 0f 0b 48 c7 c7 80 5c 61 8c 4c 89 fe e8 cd d8 08 07 90 <0f> 0b 48 c7 c7 e0 5c 61 8c 4c 89 fe e8 bb d8 08 07 90 0f 0b 48 c7 RSP: 0018:ffffc900035077d8 EFLAGS: 00010246 RAX: 000000000000004e RBX: dead000000000122 RCX: 54c827955db0b200 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff8175760c R09: fffffbfff1cfa8a8 R10: dffffc0000000000 R11: fffffbfff1cfa8a8 R12: dffffc0000000000 R13: ffff8880344b8000 R14: dead000000000100 R15: ffff888021fb4a80 FS: 00007f05376706c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020718000 CR3: 000000002ed9e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry_valid include/linux/list.h:124 [inline] __list_del_entry include/linux/list.h:215 [inline] list_del include/linux/list.h:229 [inline] mgmt_pending_remove+0x26/0x1a0 net/bluetooth/mgmt_util.c:314 mgmt_pending_foreach+0xd1/0x130 net/bluetooth/mgmt_util.c:259 __mgmt_power_off+0x183/0x430 net/bluetooth/mgmt.c:9550 hci_dev_close_sync+0x6c4/0x11c0 net/bluetooth/hci_sync.c:5208 hci_dev_do_close net/bluetooth/hci_core.c:483 [inline] hci_dev_close+0x112/0x210 net/bluetooth/hci_core.c:508 sock_do_ioctl+0x158/0x460 net/socket.c:1209 sock_ioctl+0x626/0x8e0 net/socket.c:1328 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0536780849 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0537670058 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f0536945fa0 RCX: 00007f0536780849 RDX: 0000000000000000 RSI: 00000000400448ca RDI: 000000000000000a RBP: 00007f05367f3986 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f0536945fa0 R15: 00007ffdfd2f42e8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0xf4/0x140 lib/list_debug.c:56 Code: e8 f1 d8 08 07 90 0f 0b 48 c7 c7 20 5c 61 8c 4c 89 fe e8 df d8 08 07 90 0f 0b 48 c7 c7 80 5c 61 8c 4c 89 fe e8 cd d8 08 07 90 <0f> 0b 48 c7 c7 e0 5c 61 8c 4c 89 fe e8 bb d8 08 07 90 0f 0b 48 c7 RSP: 0018:ffffc900035077d8 EFLAGS: 00010246 RAX: 000000000000004e RBX: dead000000000122 RCX: 54c827955db0b200 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff8175760c R09: fffffbfff1cfa8a8 R10: dffffc0000000000 R11: fffffbfff1cfa8a8 R12: dffffc0000000000 R13: ffff8880344b8000 R14: dead000000000100 R15: ffff888021fb4a80 FS: 00007f05376706c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020718000 CR3: 000000002ed9e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400