list_del corruption. prev->next should be ffff0000c1d32828, but was ffff80008e92dec0. (prev=ffff80008e92dec0)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:64!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 6373 Comm: syz-executor.0 Not tainted 6.6.0-rc3-syzkaller-00011-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_del_entry_valid_or_report+0x13c/0x158 lib/list_debug.c:62
lr : __list_del_entry_valid_or_report+0x13c/0x158 lib/list_debug.c:62
sp : ffff800096d077e0
x29: ffff800096d077e0 x28: 1fffe0001b5de40a x27: 0000000000000008
x26: 0000000000000003 x25: dfff800000000000 x24: ffff0000c1d34828
x23: dfff800000000000 x22: dfff800000000000 x21: ffff80008e92dec0
x20: ffff0000c1d34828 x19: ffff0000c1d32828 x18: 1fffe0003683bdce
x17: ffff80008e19d000 x16: ffff80008a629a3c x15: 0000000000000001
x14: 1ffff00012da0e54 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000000000 x9 : 1d96499674bc7c00
x8 : 1d96499674bc7c00 x7 : ffff800080297618 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff800082b1cfe4
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000006d
Call trace:
 __list_del_entry_valid_or_report+0x13c/0x158 lib/list_debug.c:62
 __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]
 efivar_entry_remove+0x38/0x110 fs/efivarfs/vars.c:488
 efivarfs_destroy+0x20/0x3c fs/efivarfs/super.c:229
 efivar_entry_iter+0x94/0xdc fs/efivarfs/vars.c:715
 efivarfs_kill_sb+0x44/0x5c fs/efivarfs/super.c:296
 deactivate_locked_super+0xac/0x12c fs/super.c:481
 deactivate_super+0xe0/0x100 fs/super.c:514
 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1254
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1261
 task_work_run+0x230/0x2e0 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x2184/0x3c94 arch/arm64/kernel/signal.c:1305
 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:144 [inline]
 el0_svc+0xa0/0x16c arch/arm64/kernel/entry-common.c:679
 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: 91368000 aa1303e1 aa1503e3 95e9d636 (d4210000) 
---[ end trace 0000000000000000 ]---
pstore: backend (efi_pstore) writing error (-16)