list_del corruption. prev->next should be ffff00011ca44828, but was ffff80008e822b80. (prev=ffff80008e822b80) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 10053 Comm: syz-executor.2 Not tainted 6.5.0-rc6-syzkaller-gac9847efd629 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 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 : ffff8000a5867940 x29: ffff8000a5867940 x28: 1ffff00014b0cf68 x27: ffff8000a5867b40 x26: dfff800000000000 x25: 0000000000000000 x24: ffff00012a252828 x23: dfff800000000000 x22: dfff800000000000 x21: ffff80008e822b80 x20: ffff00012a252828 x19: ffff00011ca44828 x18: 1fffe0003683adc6 x17: ffff80008e09d000 x16: ffff80008a571430 x15: 0000000000000001 x14: 1ffff00014b0ce80 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000040000 x10: 0000000000012b90 x9 : 4d00bc02bc724200 x8 : 4d00bc02bc724200 x7 : ffff800080290218 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff800082ad4998 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:223 efivar_entry_iter+0x94/0xdc fs/efivarfs/vars.c:715 efivarfs_kill_sb+0x44/0x5c fs/efivarfs/super.c:290 deactivate_locked_super+0xac/0x124 fs/super.c:330 vfs_get_super fs/super.c:1173 [inline] get_tree_single+0xd8/0x170 fs/super.c:1189 efivarfs_get_tree+0x28/0x38 fs/efivarfs/super.c:269 vfs_get_tree+0x90/0x274 fs/super.c:1519 do_new_mount+0x25c/0x8c8 fs/namespace.c:3335 path_mount+0x590/0xe04 fs/namespace.c:3662 do_mount fs/namespace.c:3675 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount fs/namespace.c:3861 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3861 __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:591 Code: 91188000 aa1303e1 aa1503e3 95e88e3f (d4210000) ---[ end trace 0000000000000000 ]--- pstore: backend (efi_pstore) writing error (-16)