list_del corruption. prev->next should be ffff0000c1b4a828, but was ffff0000fa962828
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 9693 Comm: syz-executor.4 Not tainted 5.15.114-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
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 : ffff800024d378b0
x29: ffff800024d378b0 x28: 1ffff00002919a9d x27: 0000000000000000
x26: dfff800000000000 x25: ffff0000c1b4c828 x24: ffff8000148cd320
x23: dfff800000000000 x22: ffff0000c1b4c828 x21: dfff800000000000
x20: ffff800014feec60 x19: ffff0000c1b4a828 x18: 1fffe000368ffd8e
x17: 1fffe000368ffd8e x16: ffff8000119495b4 x15: ffff80001496f100
x14: 1ffff0000291a06a x13: ffffffffffffffff x12: 0000000000000000
x11: ff8080000832d950 x10: 0000000000000000 x9 : 72891b354327b900
x8 : 72891b354327b900 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a951d80
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
 cleanup_mnt+0x3c0/0x474 fs/namespace.c:1143
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1150
 task_work_run+0x130/0x1e4 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x262c/0x32b8 arch/arm64/kernel/signal.c:946
 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: d003ace0 91358000 aa1303e1 95be4c3e (d4210000) 
---[ end trace 280810bb56454957 ]---