list_del corruption. prev->next should be ffff00013ec40828, but was ffff80008e636a80. (prev=ffff80008e636a80)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:61!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 25778 Comm: syz-executor.2 Not tainted 6.4.0-rc5-syzkaller-gd8b213732169 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
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 : ffff80009c3477e0
x29: ffff80009c3477e0 x28: 1fffe0001b01af3a x27: 0000000000000008
x26: 0000000000000003 x25: dfff800000000000 x24: ffff0000d3958828
x23: dfff800000000000 x22: dfff800000000000 x21: ffff80008e636a80
x20: ffff0000d3958828 x19: ffff00013ec40828 x18: 1fffe000368447c6
x17: ffff80008debd000 x16: ffff80008a43bfbc x15: 0000000000000002
x14: 1ffff00011bd80ac x13: dfff800000000000 x12: 0000000000000001
x11: 0000000000040000 x10: 000000000003ffff x9 : fb08e1c285cede00
x8 : fb08e1c285cede00 x7 : ffff80008028cadc x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff800082a95444
x2 : 0000000000000001 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:186
 efivar_entry_iter+0x94/0xdc fs/efivarfs/vars.c:715
 efivarfs_kill_sb+0x44/0x5c fs/efivarfs/super.c:253
 deactivate_locked_super+0xac/0x124 fs/super.c:331
 deactivate_super+0xe0/0x100 fs/super.c:362
 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1177
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1184
 task_work_run+0x230/0x2e0 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x2180/0x3c90 arch/arm64/kernel/signal.c:1305
 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:144 [inline]
 el0_svc+0x94/0x160 arch/arm64/kernel/entry-common.c:648
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:665
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
Code: 91208000 aa1303e1 aa1503e3 95e4b96d (d4210000) 
---[ end trace 0000000000000000 ]---
pstore: backend (efi_pstore) writing error (-16)