list_del corruption. prev->next should be ffff0000dbaee828, but was ffff80001529be00
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4024 Comm: syz-executor447 Not tainted 5.15.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
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 : ffff80001fa678b0
x29: ffff80001fa678b0 x28: 1ffff0000296ba9d x27: 0000000000000000
x26: dfff800000000000 x25: ffff0000dbaec828 x24: ffff800014b5d320
x23: dfff800000000000 x22: ffff0000dbaec828 x21: dfff800000000000
x20: ffff80001529be00 x19: ffff0000dbaee828 x18: 1fffe0003683318e
x17: 1fffe0003683318e x16: ffff800011b4c240 x15: ffff800014bffac0
x14: 1ffff0000296c06c x13: dfff800000000000 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : 673e71ce2da43100
x8 : 673e71ce2da43100 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000aa0ec9c
x2 : ffff0001b4198d10 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:544
 efivarfs_destroy+0x20/0x5c fs/efivarfs/super.c:183
 __efivar_entry_iter+0x11c/0x19c drivers/firmware/efi/vars.c:1094
 efivarfs_kill_sb+0x3c/0x4c fs/efivarfs/super.c:258
 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:188
 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:609
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: d003b7a0 913d8000 aa1303e1 95c36350 (d4210000) 
---[ end trace 0d191e12c2e40623 ]---