list_del corruption. prev->next should be ffff000128ee2828, but was ffff80001602e020. (prev=ffff80001602e020)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 22131 Comm: syz-executor.1 Not tainted 6.1.56-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 : ffff8000222b7570
x29: ffff8000222b7570 x28: 1ffff00002b15aa9 x27: dfff800000000000
x26: 0000000000000002 x25: 0000000000000002 x24: ffff0000dd62e828
x23: dfff800000000000 x22: dfff800000000000 x21: ffff80001602e020
x20: ffff0000dd62e828 x19: ffff000128ee2828 x18: 1fffe000368adf76
x17: ffff8000158ad000 x16: ffff8000121265ec x15: ffff0001b456fbbc
x14: 1ffff00002b160b0 x13: dfff800000000000 x12: 0000000000000001
x11: ff808000083467a8 x10: 0000000000000000 x9 : a8dedb564a238400
x8 : a8dedb564a238400 x7 : ffff80000827db20 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000aa84bcc
x2 : ffff0001b456fcd0 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
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x554/0x1a88 kernel/exit.c:869
 do_group_exit+0x194/0x22c kernel/exit.c:1019
 get_signal+0x14a0/0x158c kernel/signal.c:2862
 do_signal arch/arm64/kernel/signal.c:1076 [inline]
 do_notify_resume+0x3ac/0x3474 arch/arm64/kernel/signal.c:1129
 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:581
Code: 911b8000 aa1303e1 aa1503e3 95d8c1e5 (d4210000) 
---[ end trace 0000000000000000 ]---