list_del corruption. prev->next should be ffff0000d613e828, but was ffff80008e92e080. (prev=ffff80008e92e080) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:64! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 8096 Comm: syz-executor.3 Not tainted 6.6.0-rc4-syzkaller-g19af4a4ed414 #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_or_report+0x13c/0x158 lib/list_debug.c:62 lr : __list_del_entry_valid_or_report+0x13c/0x158 lib/list_debug.c:62 sp : ffff80009a5e7aa0 x29: ffff80009a5e7aa0 x28: ffff0000c18970a0 x27: 00000000000a0003 x26: 1fffe00019ba9f03 x25: ffff0000c1452370 x24: ffff0000cd3e8828 x23: dfff800000000000 x22: dfff800000000000 x21: ffff80008e92e080 x20: ffff0000cd3e8828 x19: ffff0000d613e828 x18: 1fffe0003683bdce x17: ffff80008e19d000 x16: ffff80008a62bec8 x15: 0000000000000001 x14: 1ffff000134bceac x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : 0ef4f844b9a51000 x8 : 0ef4f844b9a51000 x7 : ffff800080297618 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff800082b20c64 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000006d Call trace: __list_del_entry_valid_or_report+0x13c/0x158 lib/list_debug.c:62 __list_del_entry_valid include/linux/list.h:124 [inline] __list_del_entry include/linux/list.h:215 [inline] list_del include/linux/list.h:229 [inline] efivar_entry_remove+0x38/0x110 fs/efivarfs/vars.c:488 efivarfs_destroy+0x20/0x3c fs/efivarfs/super.c:229 efivar_entry_iter+0x94/0xdc fs/efivarfs/vars.c:715 efivarfs_kill_sb+0x44/0x5c fs/efivarfs/super.c:296 deactivate_locked_super+0xac/0x12c fs/super.c:481 deactivate_super+0xe0/0x100 fs/super.c:514 put_fs_context+0x88/0x790 fs/fs_context.c:492 fscontext_release+0x64/0x84 fs/fsopen.c:73 __fput+0x324/0x7f8 fs/file_table.c:384 __fput_sync+0x60/0x9c fs/file_table.c:465 __do_sys_close fs/open.c:1572 [inline] __se_sys_close fs/open.c:1557 [inline] __arm64_sys_close+0x150/0x1e0 fs/open.c:1557 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 Code: 913a8000 aa1303e1 aa1503e3 95e9d039 (d4210000) ---[ end trace 0000000000000000 ]--- pstore: backend (efi_pstore) writing error (-16)