------------[ cut here ]------------ kernel BUG at lib/list_debug.c:64! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 8519 Comm: syz-executor.4 Not tainted 6.2.0-rc5-syzkaller-00027-gfb6e71db53f3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:__list_del_entry_valid+0x12e/0x130 lib/list_debug.c:62 Code: 48 c7 c7 c0 7b 69 8b 4c 89 fe 48 89 d9 31 c0 e8 f8 ab 7b 06 0f 0b 48 c7 c7 40 7c 69 8b 4c 89 fe 4c 89 f1 31 c0 e8 e2 ab 7b 06 <0f> 0b 80 3d 59 17 68 0a 00 74 01 c3 31 d2 eb 02 66 90 55 48 89 e5 RSP: 0018:ffffc9001526fcd0 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff88805e16d008 RCX: 5f912e57fc914c00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff1100f48f0be R08: ffffffff81709e4d R09: fffff52002a4df51 R10: fffff52002a4df51 R11: 1ffff92002a4df50 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88805e16d000 R15: ffff88807a47e000 FS: 000055555686d400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fea83fad988 CR3: 0000000027ccc000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:134 [inline] list_del include/linux/list.h:148 [inline] local_release net/nfc/llcp_core.c:172 [inline] kref_put include/linux/kref.h:65 [inline] nfc_llcp_local_put+0x63/0x250 net/nfc/llcp_core.c:182 nfc_unregister_device+0x18a/0x290 net/nfc/core.c:1179 virtual_ncidev_close+0x55/0x90 drivers/nfc/virtual_ncidev.c:163 __fput+0x3ba/0x880 fs/file_table.c:320 task_work_run+0x243/0x300 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x134/0x160 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xad/0x110 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x2e/0x60 kernel/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f4c5763df7b Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44 RSP: 002b:00007ffeb5e8e9e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f4c5763df7b RDX: 0000000000000000 RSI: 0000001b30422530 RDI: 0000000000000004 RBP: 00007f4c577ad980 R08: 0000000000000000 R09: 000000003ae1b862 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000019d7a R13: 00007ffeb5e8eae0 R14: 00007f4c577ac050 R15: 0000000000000032 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid+0x12e/0x130 lib/list_debug.c:62 Code: 48 c7 c7 c0 7b 69 8b 4c 89 fe 48 89 d9 31 c0 e8 f8 ab 7b 06 0f 0b 48 c7 c7 40 7c 69 8b 4c 89 fe 4c 89 f1 31 c0 e8 e2 ab 7b 06 <0f> 0b 80 3d 59 17 68 0a 00 74 01 c3 31 d2 eb 02 66 90 55 48 89 e5 RSP: 0018:ffffc9001526fcd0 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff88805e16d008 RCX: 5f912e57fc914c00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff1100f48f0be R08: ffffffff81709e4d R09: fffff52002a4df51 R10: fffff52002a4df51 R11: 1ffff92002a4df50 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88805e16d000 R15: ffff88807a47e000 FS: 000055555686d400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f22f47dd718 CR3: 0000000027ccc000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400