non-paged memory list_del corruption, ffff88802d613680->next is LIST_POISON1 (dead000000000100) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:56! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 2 UID: 0 PID: 7334 Comm: syz.0.381 Not tainted 6.15.0-rc2-syzkaller-00278-gfc96b232f8e7 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__list_del_entry_valid_or_report+0x121/0x200 lib/list_debug.c:56 Code: 48 c7 c7 40 69 f4 8b e8 5d 8d c5 fc 90 0f 0b 4c 89 e7 e8 b2 4e 29 fd 4c 89 e2 48 89 de 48 c7 c7 a0 69 f4 8b e8 40 8d c5 fc 90 <0f> 0b 48 89 ef e8 95 4e 29 fd 48 89 ea 48 89 de 48 c7 c7 00 6a f4 RSP: 0018:ffffc90004517bb8 EFLAGS: 00010282 RAX: 000000000000004e RBX: ffff88802d613680 RCX: ffffffff819a9d19 RDX: 0000000000000000 RSI: ffffffff819b1ba6 RDI: 0000000000000005 RBP: dead000000000122 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: dead000000000100 R13: dffffc0000000000 R14: ffff888024444ff8 R15: ffff888024444000 FS: 00007f9376f286c0(0000) GS:ffff8880d6bb0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9376f27f98 CR3: 0000000059b76000 CR4: 0000000000352ef0 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+0x1e/0x160 net/bluetooth/mgmt_util.c:297 cmd_status_rsp net/bluetooth/mgmt.c:1465 [inline] cmd_complete_rsp+0x16d/0x1e0 net/bluetooth/mgmt.c:1484 mgmt_pending_foreach+0xdf/0x140 net/bluetooth/mgmt_util.c:242 mgmt_index_removed+0x143/0x300 net/bluetooth/mgmt.c:9362 hci_sock_bind+0xb53/0x14c0 net/bluetooth/hci_sock.c:1307 __sys_bind_socket net/socket.c:1810 [inline] __sys_bind_socket net/socket.c:1802 [inline] __sys_bind+0x211/0x260 net/socket.c:1841 __do_sys_bind net/socket.c:1846 [inline] __se_sys_bind net/socket.c:1844 [inline] __x64_sys_bind+0x72/0xb0 net/socket.c:1844 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f937618e169 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:00007f9376f28038 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 00007f93763b6080 RCX: 00007f937618e169 RDX: 0000000000000006 RSI: 0000200000000040 RDI: 0000000000000005 RBP: 00007f9376210a68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f93763b6080 R15: 00007fff670feae8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0x121/0x200 lib/list_debug.c:56 Code: 48 c7 c7 40 69 f4 8b e8 5d 8d c5 fc 90 0f 0b 4c 89 e7 e8 b2 4e 29 fd 4c 89 e2 48 89 de 48 c7 c7 a0 69 f4 8b e8 40 8d c5 fc 90 <0f> 0b 48 89 ef e8 95 4e 29 fd 48 89 ea 48 89 de 48 c7 c7 00 6a f4 RSP: 0018:ffffc90004517bb8 EFLAGS: 00010282 RAX: 000000000000004e RBX: ffff88802d613680 RCX: ffffffff819a9d19 RDX: 0000000000000000 RSI: ffffffff819b1ba6 RDI: 0000000000000005 RBP: dead000000000122 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: dead000000000100 R13: dffffc0000000000 R14: ffff888024444ff8 R15: ffff888024444000 FS: 00007f9376f286c0(0000) GS:ffff8880d6bb0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9376f27f98 CR3: 0000000059b76000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400