non-paged memory list_del corruption, ffff888033ba7500->next is LIST_POISON1 (dead000000000100) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:58! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 9963 Comm: syz.1.1055 Not tainted 6.15.0-rc5-syzkaller-00149-g314007549d89 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__list_del_entry_valid_or_report+0x10e/0x190 lib/list_debug.c:56 Code: e0 d5 c1 8b 48 89 de e8 80 22 69 fc 90 0f 0b 4c 89 e7 e8 c5 85 43 fd 48 c7 c7 40 d6 c1 8b 48 89 de 4c 89 e2 e8 63 22 69 fc 90 <0f> 0b 4c 89 e7 e8 a8 85 43 fd 48 c7 c7 a0 d6 c1 8b 48 89 de 4c 89 RSP: 0018:ffffc90004347b08 EFLAGS: 00010246 RAX: 000000000000004e RBX: ffff888033ba7500 RCX: 7ae5ac61b7236800 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffc900043477e7 R09: 1ffff92000868efc R10: dffffc0000000000 R11: fffff52000868efd R12: dead000000000100 R13: dffffc0000000000 R14: dead000000000100 R15: dead000000000122 FS: 00007f685dac16c0(0000) GS:ffff8881260cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f685dac0f98 CR3: 0000000058b92000 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+0x28/0x1a0 net/bluetooth/mgmt_util.c:297 mgmt_pending_foreach+0xc9/0x120 net/bluetooth/mgmt_util.c:242 mgmt_index_removed+0x10d/0x2f0 net/bluetooth/mgmt.c:9365 hci_sock_bind+0xbe9/0x1000 net/bluetooth/hci_sock.c:1307 __sys_bind_socket net/socket.c:1810 [inline] __sys_bind+0x2c3/0x3e0 net/socket.c:1841 __do_sys_bind net/socket.c:1846 [inline] __se_sys_bind net/socket.c:1844 [inline] __x64_sys_bind+0x7a/0x90 net/socket.c:1844 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f685cb8e969 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:00007f685dac1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 00007f685cdb6080 RCX: 00007f685cb8e969 RDX: 0000000000000006 RSI: 0000200000000040 RDI: 0000000000000004 RBP: 00007f685cc10ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f685cdb6080 R15: 00007ffd4d8f9e78 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0x10e/0x190 lib/list_debug.c:56 Code: e0 d5 c1 8b 48 89 de e8 80 22 69 fc 90 0f 0b 4c 89 e7 e8 c5 85 43 fd 48 c7 c7 40 d6 c1 8b 48 89 de 4c 89 e2 e8 63 22 69 fc 90 <0f> 0b 4c 89 e7 e8 a8 85 43 fd 48 c7 c7 a0 d6 c1 8b 48 89 de 4c 89 RSP: 0018:ffffc90004347b08 EFLAGS: 00010246 RAX: 000000000000004e RBX: ffff888033ba7500 RCX: 7ae5ac61b7236800 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffc900043477e7 R09: 1ffff92000868efc R10: dffffc0000000000 R11: fffff52000868efd R12: dead000000000100 R13: dffffc0000000000 R14: dead000000000100 R15: dead000000000122 FS: 00007f685dac16c0(0000) GS:ffff8881260cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7796f7d2d8 CR3: 0000000058b92000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400