list_del corruption. prev->next should be ffff888060ce7000, but was ffff88802a0ad000. (prev=ffffffff8e536240) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:59! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 16622 Comm: syz-executor.5 Not tainted 6.1.0-rc6-next-20221125-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:__list_del_entry_valid.cold+0x12/0x72 lib/list_debug.c:59 Code: f0 ff 0f 0b 48 89 f1 48 c7 c7 60 96 a6 8a 4c 89 e6 e8 4b 29 f0 ff 0f 0b 4c 89 e1 48 89 ee 48 c7 c7 c0 98 a6 8a e8 37 29 f0 ff <0f> 0b 48 89 ee 48 c7 c7 a0 97 a6 8a e8 26 29 f0 ff 0f 0b 4c 89 e2 RSP: 0018:ffffc900151afd58 EFLAGS: 00010282 RAX: 000000000000006d RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff88801e7eba80 RSI: ffffffff8166001c RDI: fffff52002a35f9d RBP: ffff888060ce7000 R08: 000000000000006d R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: ffffffff8e536240 R13: ffff88801f3f3000 R14: ffff888060ce1000 R15: ffff888079d855f0 FS: 0000555556f57400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f095d5ad988 CR3: 000000002155a000 CR4: 00000000003506f0 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 net/nfc/llcp_core.c:181 [inline] nfc_llcp_local_put net/nfc/llcp_core.c:176 [inline] nfc_llcp_unregister_device+0xb8/0x260 net/nfc/llcp_core.c:1619 nfc_unregister_device+0x196/0x330 net/nfc/core.c:1179 virtual_ncidev_close+0x52/0xb0 drivers/nfc/virtual_ncidev.c:163 __fput+0x27c/0xa90 fs/file_table.c:320 task_work_run+0x16f/0x270 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f8e7103df8b 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:00007fffb68ce4c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f8e7103df8b RDX: 00007f8e70c00e38 RSI: ffffffffffffffff RDI: 0000000000000003 RBP: 00007f8e711ad980 R08: 0000000000000000 R09: 00007f8e70c00000 R10: 00007f8e70c00e40 R11: 0000000000000293 R12: 000000000002bca8 R13: 00007fffb68ce5c0 R14: 00007f8e711abf80 R15: 0000000000000032 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid.cold+0x12/0x72 lib/list_debug.c:59 Code: f0 ff 0f 0b 48 89 f1 48 c7 c7 60 96 a6 8a 4c 89 e6 e8 4b 29 f0 ff 0f 0b 4c 89 e1 48 89 ee 48 c7 c7 c0 98 a6 8a e8 37 29 f0 ff <0f> 0b 48 89 ee 48 c7 c7 a0 97 a6 8a e8 26 29 f0 ff 0f 0b 4c 89 e2 RSP: 0018:ffffc900151afd58 EFLAGS: 00010282 RAX: 000000000000006d RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff88801e7eba80 RSI: ffffffff8166001c RDI: fffff52002a35f9d RBP: ffff888060ce7000 R08: 000000000000006d R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: ffffffff8e536240 R13: ffff88801f3f3000 R14: ffff888060ce1000 R15: ffff888079d855f0 FS: 0000555556f57400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa7f4ab1718 CR3: 000000002155a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400