list_del corruption. next->prev should be ffff88802c903000, but was dead000000000122. (next=ffff88801e915000) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:64! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 7420 Comm: syz-executor.3 Not tainted 6.2.0-rc3-syzkaller-00165-gd9fc1511728c #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 c0 7b 69 8b 4c 89 fe 48 89 d9 31 c0 e8 98 8b 7b 06 0f 0b 48 c7 c7 40 7c 69 8b 4c 89 fe 4c 89 f1 31 c0 e8 82 8b 7b 06 <0f> 0b 80 3d 39 32 68 0a 00 74 01 c3 31 d2 eb 02 66 90 55 48 89 e5 RSP: 0018:ffffc90003bc7cd0 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff88801e915008 RCX: adad4a221db8ec00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff110059208be R08: ffffffff8170a03d R09: fffff52000778f51 R10: fffff52000778f51 R11: 1ffff92000778f50 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88801e915000 R15: ffff88802c903000 FS: 0000555555813400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 000000002708a000 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+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: 0033:0x7f9dd9e3df7b 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:00007fffbe191040 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f9dd9e3df7b RDX: 0000000000000000 RSI: 00007f9dd9814bd8 RDI: 0000000000000003 RBP: 00007f9dd9fad980 R08: 0000000000000000 R09: 000000004db4b271 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000019229 R13: 00007fffbe191140 R14: 00007f9dd9fac050 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 98 8b 7b 06 0f 0b 48 c7 c7 40 7c 69 8b 4c 89 fe 4c 89 f1 31 c0 e8 82 8b 7b 06 <0f> 0b 80 3d 39 32 68 0a 00 74 01 c3 31 d2 eb 02 66 90 55 48 89 e5 RSP: 0018:ffffc90003bc7cd0 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff88801e915008 RCX: adad4a221db8ec00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff110059208be R08: ffffffff8170a03d R09: fffff52000778f51 R10: fffff52000778f51 R11: 1ffff92000778f50 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88801e915000 R15: ffff88802c903000 FS: 0000555555813400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efdc2e50028 CR3: 000000002708a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400