list_del corruption. prev->next should be ffff0000d8b3c828, but was ffff800014ac2680
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4584 Comm: syz-executor.4 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : __list_del_entry_valid+0x13c/0x154 lib/list_debug.c:59
lr : __list_del_entry_valid+0x13c/0x154 lib/list_debug.c:59
sp : ffff80001fca7970
x29: ffff80001fca7970 x28: 00007bfe632e6024 x27: 1ffff00002871a5c
x26: 0000000000000000 x25: dfff800000000000 x24: ffff0000d8b3a828
x23: ffff0000d8b3c828 x22: ffff0000d8b3a828 x21: dfff800000000000
x20: ffff800014ac2680 x19: ffff0000d8b3c828 x18: 0000000000000002
x17: 0000000040000000 x16: ffff80001134c7a0 x15: 0000000000000002
x14: 0000000000000001 x13: 1fffe000341d02d7 x12: 0000000000000000
x11: ff8080000830061c x10: 0000000000000000 x9 : 30deba070bba7200
x8 : 30deba070bba7200 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a79d3a8
x2 : ffff0001a0e75d50 x1 : 0000000100000000 x0 : 0000000000000054
Call trace:
 __list_del_entry_valid+0x13c/0x154 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+0x60/0x144 drivers/firmware/efi/vars.c:544
 efivarfs_destroy+0x20/0x5c fs/efivarfs/super.c:187
 __efivar_entry_iter+0x120/0x1a4 drivers/firmware/efi/vars.c:1094
 efivarfs_kill_sb+0x3c/0x4c fs/efivarfs/super.c:262
 deactivate_locked_super+0xc0/0x13c fs/super.c:335
 deactivate_super+0xf0/0x110 fs/super.c:366
 cleanup_mnt+0x3bc/0x470 fs/namespace.c:1148
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155
 task_work_run+0x13c/0x1e8 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x2488/0x30a8 arch/arm64/kernel/signal.c:949
 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+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: f0038b80 910e0000 aa1303e1 95aa56bc (d4210000) 
---[ end trace 48a06fbeba0fb4c2 ]---