list_del corruption. prev->next should be ffff0000dd80a828, but was ffff800015fbf7e0. (prev=ffff800015fbf7e0)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 21073 Comm: syz-executor.2 Not tainted 6.1.77-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
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 : ffff80002a2877b0
x29: ffff80002a2877b0 x28: 1fffe00019a2d0af x27: 1fffe00019a2d0a5
x26: ffff0000cd168528 x25: ffff0000c04d1950 x24: ffff0000dd80c828
x23: dfff800000000000 x22: dfff800000000000 x21: ffff800015fbf7e0
x20: ffff0000dd80c828 x19: ffff0000dd80a828 x18: 1fffe0003686fb76
x17: ffff80001583d000 x16: ffff80001215324c x15: ffff0001b437dbbc
x14: 1ffff00002b080b0 x13: dfff800000000000 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000000000 x9 : 5646c47616ad0c00
x8 : 5646c47616ad0c00 x7 : ffff80000827c520 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000aa8a46c
x2 : ffff0001b437dcd0 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:184
 efivar_entry_iter+0x94/0xdc fs/efivarfs/vars.c:715
 efivarfs_kill_sb+0x58/0x70 fs/efivarfs/super.c:258
 deactivate_locked_super+0xac/0x124 fs/super.c:332
 deactivate_super+0xf0/0x110 fs/super.c:363
 put_fs_context+0x88/0x790 fs/fs_context.c:486
 fscontext_release+0x64/0x84 fs/fsopen.c:73
 __fput+0x30c/0x7bc fs/file_table.c:320
 ____fput+0x20/0x30 fs/file_table.c:348
 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: 91070000 aa1303e1 aa1503e3 95d95b0f (d4210000) 
---[ end trace 0000000000000000 ]---