list_del corruption. prev->next should be ffff0000cdb0a828, but was ffff80001630cfe0. (prev=ffff80001630cfe0)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 5941 Comm: syz-executor874 Not tainted 6.2.0-syzkaller-18300-g2ebd1fbb946d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __list_del_entry_valid+0x13c/0x158 lib/list_debug.c:59
lr : __list_del_entry_valid+0x13c/0x158 lib/list_debug.c:59
sp : ffff80001e1077f0
x29: ffff80001e1077f0 x28: 1ffff00002b71aa9 x27: dfff800000000000
x26: 0000000000000002 x25: 0000000000000002 x24: ffff0000cdb08828
x23: dfff800000000000 x22: dfff800000000000 x21: ffff80001630cfe0
x20: ffff0000cdb08828 x19: ffff0000cdb0a828 x18: ffff80001e107d28
x17: 20747562202c3832 x16: ffff80001235d16c x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001
x11: ff80800008353a30 x10: 0000000000000000 x9 : 936b5e55f7b1ac00
x8 : 936b5e55f7b1ac00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001e1070f8 x4 : ffff800015c74760 x3 : ffff80000aae9f90
x2 : ffff0001b44dbf08 x1 : 0000000100000000 x0 : 000000000000006d
Call trace:
 __list_del_entry_valid+0x13c/0x158 lib/list_debug.c:59
 __list_del_entry include/linux/list.h:134 [inline]
 list_del include/linux/list.h:148 [inline]
 efivar_entry_remove+0x38/0x110 fs/efivarfs/vars.c:488
 efivarfs_destroy+0x20/0x3c fs/efivarfs/super.c:186
 efivar_entry_iter+0x94/0xdc fs/efivarfs/vars.c:715
 efivarfs_kill_sb+0x38/0x48 fs/efivarfs/super.c:247
 deactivate_locked_super+0xac/0x124 fs/super.c:332
 deactivate_super+0xf0/0x110 fs/super.c:363
 cleanup_mnt+0x394/0x41c fs/namespace.c:1291
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1298
 task_work_run+0x240/0x2f0 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x2180/0x3c90 arch/arm64/kernel/signal.c:1302
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
Code: 91290000 aa1303e1 aa1503e3 95dfef38 (d4210000) 
---[ end trace 0000000000000000 ]---
pstore: backend (efi_pstore) writing error (-16)