list_del corruption. prev->next should be ffff00012466a828, but was ffff80008eaeba80. (prev=ffff80008eaeba80) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:64! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 6702 Comm: syz-executor.0 Not tainted 6.6.0-rc7-syzkaller-g850ffb9bb2bd #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 : ffff80009c4b7760 x29: ffff80009c4b7760 x28: ffff0000c18970a0 x27: 00000000000a0003 x26: 1fffe00019105e13 x25: ffff0000c1544510 x24: ffff00012466c828 x23: dfff800000000000 x22: dfff800000000000 x21: ffff80008eaeba80 x20: ffff00012466c828 x19: ffff00012466a828 x18: 1fffe00036833dce x17: ffff80008e35d000 x16: ffff80008a71ff3c x15: 0000000000000001 x14: 1ffff00013896e44 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : b0bf8938641b7000 x8 : b0bf8938641b7000 x7 : ffff80008028de54 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff800082b1ad90 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:516 fscontext_release+0x64/0x84 fs/fsopen.c:73 __fput+0x324/0x7f8 fs/file_table.c:384 ____fput+0x20/0x30 fs/file_table.c:412 task_work_run+0x230/0x2e0 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x214c/0x393c 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+0x9c/0x158 arch/arm64/kernel/entry-common.c:679 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: 91288000 aa1303e1 aa1503e3 95edb849 (d4210000) ---[ end trace 0000000000000000 ]--- pstore: backend (efi_pstore) writing error (-16)