------------[ cut here ]------------ kernel BUG at lib/list_debug.c:31! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 15188 Comm: syz-executor.5 Not tainted 6.6.0-rc3-syzkaller-gbf6547d8715b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __list_add_valid_or_report+0xf4/0x110 lib/list_debug.c:29 lr : __list_add_valid_or_report+0xf4/0x110 lib/list_debug.c:29 sp : ffff8000a52d7310 x29: ffff8000a52d7310 x28: dfff800000000000 x27: 1fffe000193c420d x26: 1fffe0001a0ee401 x25: 1fffe0001a0ee400 x24: dfff800000000000 x23: dfff800000000000 x22: ffff0000dbd0c008 x21: ffff0000d0772000 x20: ffff800090e119a0 x19: ffff0000dbd0c000 x18: 1fffe000368379ce x17: ffff80008e19d000 x16: ffff80008a629a3c x15: 0000000000000001 x14: 1ffff00014a5adb8 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000040000 x10: 000000000000c11b x9 : 3961f51c8aef7a00 x8 : 3961f51c8aef7a00 x7 : ffff8000800634e8 x6 : ffff8000800636e4 x5 : ffff0000dbcaf2b8 x4 : ffff8000a52d6a20 x3 : ffff800082b1cfe4 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000075 Call trace: __list_add_valid_or_report+0xf4/0x110 lib/list_debug.c:29 __list_add_valid include/linux/list.h:88 [inline] __list_add include/linux/list.h:150 [inline] list_add include/linux/list.h:169 [inline] nfc_llcp_register_device+0x58c/0x6bc net/nfc/llcp_core.c:1639 nfc_register_device+0x8c/0x310 net/nfc/core.c:1124 nci_register_device+0x6ac/0x7c4 net/nfc/nci/core.c:1257 virtual_ncidev_open+0x13c/0x1bc drivers/nfc/virtual_ncidev.c:148 misc_open+0x2f0/0x368 drivers/char/misc.c:165 chrdev_open+0x3e8/0x4fc fs/char_dev.c:414 do_dentry_open+0x6fc/0x118c fs/open.c:929 vfs_open+0x7c/0x90 fs/open.c:1063 do_open fs/namei.c:3639 [inline] path_openat+0x1f2c/0x27f8 fs/namei.c:3796 do_filp_open+0x1bc/0x3cc fs/namei.c:3823 do_sys_openat2+0x124/0x1b8 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_openat fs/open.c:1453 [inline] __se_sys_openat fs/open.c:1448 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1448 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 Code: 912b0000 aa1403e1 aa1303e3 95e9d68c (d4210000) ---[ end trace 0000000000000000 ]---