list_del corruption. next->prev should be ffff88805c4ca000, but was dead000000000122. (next=ffff88802ab43000) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:64! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 25559 Comm: syz-executor.5 Not tainted 6.2.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:__list_del_entry_valid+0x12e/0x130 lib/list_debug.c:62 Code: 48 c7 c7 a0 c5 4b 8b 4c 89 fe 48 89 d9 31 c0 e8 38 cd 6b 06 0f 0b 48 c7 c7 20 c6 4b 8b 4c 89 fe 4c 89 f1 31 c0 e8 22 cd 6b 06 <0f> 0b 80 3d 99 7a 53 0a 00 74 01 c3 31 d2 eb 02 66 90 55 48 89 e5 RSP: 0018:ffffc9000ba0fcb0 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff88802ab43008 RCX: 1dae27c5be4cf400 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff1100b899ebe R08: ffffffff816f2d5d R09: fffff52001741f4d R10: fffff52001741f4d R11: 1ffff92001741f4c R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88802ab43000 R15: ffff88805c4ca000 FS: 0000555557079400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd0703a8000 CR3: 000000001c6c3000 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:171 [inline] kref_put include/linux/kref.h:65 [inline] nfc_llcp_local_put+0x63/0x230 net/nfc/llcp_core.c:181 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+0x124/0x150 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xb2/0x140 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x26/0x60 kernel/entry/common.c:296 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f3bca43df7b 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:00007ffceadc2640 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f3bca43df7b RDX: 00007f3bca000788 RSI: ffffffffffffffff RDI: 0000000000000005 RBP: 00007f3bca5ad980 R08: 0000000000000000 R09: 00007f3bca000000 R10: 00007f3bca000790 R11: 0000000000000293 R12: 0000000000046f7e R13: 00007ffceadc2740 R14: 00007f3bca5abf80 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 a0 c5 4b 8b 4c 89 fe 48 89 d9 31 c0 e8 38 cd 6b 06 0f 0b 48 c7 c7 20 c6 4b 8b 4c 89 fe 4c 89 f1 31 c0 e8 22 cd 6b 06 <0f> 0b 80 3d 99 7a 53 0a 00 74 01 c3 31 d2 eb 02 66 90 55 48 89 e5 RSP: 0018:ffffc9000ba0fcb0 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff88802ab43008 RCX: 1dae27c5be4cf400 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff1100b899ebe R08: ffffffff816f2d5d R09: fffff52001741f4d R10: fffff52001741f4d R11: 1ffff92001741f4c R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88802ab43000 R15: ffff88805c4ca000 FS: 0000555557079400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c005c43338 CR3: 000000001c6c3000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400