list_del corruption. prev->next should be ffff0000d7f30828, but was ffff800014fee8a0
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 6977 Comm: syz-executor.0 Not tainted 5.15.109-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __list_del_entry_valid+0x138/0x150 lib/list_debug.c:59
lr : __list_del_entry_valid+0x138/0x150 lib/list_debug.c:59
sp : ffff80001d737590
x29: ffff80001d737590 x28: 1fffe0002307a330 x27: 0000000000000000
x26: dfff800000000000 x25: ffff800014fee8a0 x24: 1fffe0001b539d16
x23: dfff800000000000 x22: ffff800014fee8a0 x21: dfff800000000000
x20: ffff800014fee8a0 x19: ffff0000d7f30828 x18: 0000000000000001
x17: ff808000083357e4 x16: ffff800011940e2c x15: ffff8000083357e4
x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000
x11: ff8080000832d28c x10: 0000000000000000 x9 : 49a2fba551edef00
x8 : 49a2fba551edef00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001d736cf8 x4 : ffff8000149afc60 x3 : ffff80000a951560
x2 : ffff0001b47fed10 x1 : 0000000100000000 x0 : 0000000000000054
Call trace:
 __list_del_entry_valid+0x138/0x150 lib/list_debug.c:59
 __list_del_entry include/linux/list.h:132 [inline]
 list_del include/linux/list.h:146 [inline]
 efivar_entry_remove+0x64/0x14c drivers/firmware/efi/vars.c:539
 efivarfs_destroy+0x20/0x5c fs/efivarfs/super.c:185
 __efivar_entry_iter+0x11c/0x19c drivers/firmware/efi/vars.c:1089
 efivarfs_kill_sb+0x3c/0x4c fs/efivarfs/super.c:249
 deactivate_locked_super+0xb8/0x13c fs/super.c:335
 deactivate_super+0x108/0x128 fs/super.c:366
 put_fs_context+0x88/0x7e4 fs/fs_context.c:465
 fscontext_release+0x64/0x84 fs/fsopen.c:73
 __fput+0x30c/0x7f0 fs/file_table.c:280
 ____fput+0x20/0x30 fs/file_table.c:308
 task_work_run+0x130/0x1e4 kernel/task_work.c:164
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0x688/0x2134 kernel/exit.c:872
 do_group_exit+0x110/0x268 kernel/exit.c:994
 get_signal+0x634/0x1550 kernel/signal.c:2889
 do_signal arch/arm64/kernel/signal.c:890 [inline]
 do_notify_resume+0x3d0/0x32b8 arch/arm64/kernel/signal.c:943
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
 el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:597
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: f003ace0 911f8000 aa1303e1 95be2c64 (d4210000) 
---[ end trace de6ffe5ac26b2516 ]---