syzbot

list_del corruption. prev->next should be ffff0000c87da828, but was ffff80001506aa80
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kernel BUG at lib/list_debug.c:61!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 3979 Comm: syz-executor276 Not tainted 5.15.158-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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 : ffff80001cad78b0
x29: ffff80001cad78b0 x28: 1fffe00019034550 x27: 0000000000000000
x26: dfff800000000000 x25: ffff0000c87d8828 x24: 1fffe0001ab5e316
x23: dfff800000000000 x22: ffff0000c87d8828 x21: dfff800000000000
x20: ffff80001506aa80 x19: ffff0000c87da828 x18: 1fffe0003690198e
x17: 1fffe0003690198e x16: ffff800011998e34 x15: ffff8000149dec00
x14: 1ffff0000292806a x13: dfff800000000000 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : b3b3a65ffc28fa00
x8 : b3b3a65ffc28fa00 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a978b80
x2 : ffff0001b480cd10 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:186
 __efivar_entry_iter+0x11c/0x19c drivers/firmware/efi/vars.c:1094
 efivarfs_kill_sb+0x3c/0x4c fs/efivarfs/super.c:261
 deactivate_locked_super+0xb8/0x13c fs/super.c:335
 deactivate_super+0x108/0x128 fs/super.c:366
 put_fs_context+0x88/0x7e4 fs/fs_context.c:465
 fscontext_release+0x64/0x84 fs/fsopen.c:73
 __fput+0x30c/0x7f0 fs/file_table.c:280
 ____fput+0x20/0x30 fs/file_table.c:308
 task_work_run+0x130/0x1e4 kernel/task_work.c:164
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0x670/0x20bc kernel/exit.c:872
 do_group_exit+0x110/0x268 kernel/exit.c:994
 __do_sys_exit_group kernel/exit.c:1005 [inline]
 __se_sys_exit_group kernel/exit.c:1003 [inline]
 __wake_up_parent+0x0/0x60 kernel/exit.c:1003
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 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: d003ae60 91128000 aa1303e1 95beeea8 (d4210000) 
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