list_del corruption. prev->next should be ffff000127830828, but was ffff80008e92e080. (prev=ffff80008e92e080)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:64!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 20528 Comm: syz-executor.4 Not tainted 6.6.0-rc4-syzkaller-g19af4a4ed414 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
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 : ffff8000a7537460
x29: ffff8000a7537460 x28: ffff0000c18970a0 x27: 00000000000a0003
x26: 1fffe0002efe6263 x25: ffff0000c145c510 x24: ffff000127832828
x23: dfff800000000000 x22: dfff800000000000 x21: ffff80008e92e080
x20: ffff000127832828 x19: ffff000127830828 x18: 1fffe000368379ce
x17: ffff80008e19d000 x16: ffff80008a62bec8 x15: 0000000000000001
x14: 1ffff00014ea6de4 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000000000 x9 : 9edda36e295ce800
x8 : 9edda36e295ce800 x7 : ffff800080297618 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff800082b20c64
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
 put_fs_context+0x88/0x790 fs/fs_context.c:492
 fscontext_release+0x64/0x84 fs/fsopen.c:73
 __fput+0x324/0x7f8 fs/file_table.c:384
 ____fput+0x20/0x30 fs/file_table.c:412
 task_work_run+0x230/0x2e0 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x63c/0x1f58 kernel/exit.c:874
 do_group_exit+0x194/0x22c kernel/exit.c:1024
 get_signal+0x1500/0x15ec kernel/signal.c:2892
 do_signal arch/arm64/kernel/signal.c:1249 [inline]
 do_notify_resume+0x3cc/0x3c94 arch/arm64/kernel/signal.c:1302
 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:595
Code: 913a8000 aa1303e1 aa1503e3 95e9d039 (d4210000) 
---[ end trace 0000000000000000 ]---
pstore: backend (efi_pstore) writing error (-16)