list_del corruption. prev->next should be ffff88801c7e6000, but was ffff88802623e000. (prev=ffff88802623e000) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:62! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 2217 Comm: syz-executor.0 Not tainted 6.6.0-rc4-syzkaller-00012-gce36c8b14987 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:__list_del_entry_valid_or_report+0x11f/0x1b0 lib/list_debug.c:62 Code: 37 e9 8a e8 f3 33 3f fd 0f 0b 48 89 ca 48 c7 c7 a0 37 e9 8a e8 e2 33 3f fd 0f 0b 48 89 c2 48 c7 c7 00 38 e9 8a e8 d1 33 3f fd <0f> 0b 48 89 d1 48 c7 c7 80 38 e9 8a 48 89 c2 e8 bd 33 3f fd 0f 0b RSP: 0018:ffffc900144cfe08 EFLAGS: 00010286 RAX: 000000000000006d RBX: ffff88801c7e6000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff816b8592 RDI: 0000000000000005 RBP: ffff88801d958000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801c7e6008 R13: ffff88801eba1000 R14: ffff88801c7e6000 R15: ffff88801d234a70 FS: 00005555568ac480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa067e88d58 CR3: 000000001c43d000 CR4: 00000000003506f0 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] nfc_llcp_remove_local net/nfc/llcp_core.c:306 [inline] nfc_llcp_unregister_device+0xc3/0x2c0 net/nfc/llcp_core.c:1646 nfc_unregister_device+0x194/0x330 net/nfc/core.c:1179 virtual_ncidev_close+0x51/0xa0 drivers/nfc/virtual_ncidev.c:163 __fput+0x3f7/0xa70 fs/file_table.c:384 __fput_sync+0x47/0x50 fs/file_table.c:465 __do_sys_close fs/open.c:1572 [inline] __se_sys_close fs/open.c:1557 [inline] __x64_sys_close+0x87/0xf0 fs/open.c:1557 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f158687b9da Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24 RSP: 002b:00007f1586abfb10 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f158687b9da RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f158699d980 R08: 0000001b30420000 R09: 0000000000000732 R10: 00000000817374e7 R11: 0000000000000293 R12: 0000000000080b66 R13: ffffffffffffffff R14: 00007f1586400000 R15: 0000000000080825 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0x11f/0x1b0 lib/list_debug.c:62 Code: 37 e9 8a e8 f3 33 3f fd 0f 0b 48 89 ca 48 c7 c7 a0 37 e9 8a e8 e2 33 3f fd 0f 0b 48 89 c2 48 c7 c7 00 38 e9 8a e8 d1 33 3f fd <0f> 0b 48 89 d1 48 c7 c7 80 38 e9 8a 48 89 c2 e8 bd 33 3f fd 0f 0b RSP: 0018:ffffc900144cfe08 EFLAGS: 00010286 RAX: 000000000000006d RBX: ffff88801c7e6000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff816b8592 RDI: 0000000000000005 RBP: ffff88801d958000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801c7e6008 R13: ffff88801eba1000 R14: ffff88801c7e6000 R15: ffff88801d234a70 FS: 00005555568ac480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa067e88d58 CR3: 000000001c43d000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400