list_del corruption. prev->next should be ffff000107ef0828, but was ffff800015f8e0e0. (prev=ffff800015f8e0e0)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 17202 Comm: syz-executor.0 Not tainted 6.1.60-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
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 : ffff800020657850
x29: ffff800020657850 x28: 1ffff00002b01aa9 x27: dfff800000000000
x26: 0000000000000002 x25: 0000000000000002 x24: ffff0000d5392828
x23: dfff800000000000 x22: dfff800000000000 x21: ffff800015f8e0e0
x20: ffff0000d5392828 x19: ffff000107ef0828 x18: 1fffe0001b1783ff
x17: ffff80001580d000 x16: ffff8000121395ec x15: 0000000000000100
x14: 1ffff00002b020b0 x13: dfff800000000000 x12: 0000000000000001
x11: ff80800008346830 x10: 0000000000000000 x9 : 2856710f6088a500
x8 : 2856710f6088a500 x7 : ffff80000827db78 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000aa8628c
x2 : ffff0001b4563cd0 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:183
 efivar_entry_iter+0x94/0xdc fs/efivarfs/vars.c:715
 efivarfs_kill_sb+0x38/0x48 fs/efivarfs/super.c:244
 deactivate_locked_super+0xac/0x124 fs/super.c:332
 deactivate_super+0xf0/0x110 fs/super.c:363
 cleanup_mnt+0x394/0x41c fs/namespace.c:1186
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193
 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+0x2148/0x3474 arch/arm64/kernel/signal.c:1132
 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+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 91248000 aa1303e1 aa1503e3 95d90835 (d4210000) 
---[ end trace 0000000000000000 ]---