list_del corruption. prev->next should be ffff0000c71fc828, but was ffff80001502f940 ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 16135 Comm: syz-executor.1 Not tainted 5.15.150-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 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 : ffff800021997810 x29: ffff800021997810 x28: 1fffe000190c09a0 x27: 0000000000000000 x26: dfff800000000000 x25: ffff0000cb840828 x24: 1fffe0001a46b316 x23: dfff800000000000 x22: ffff0000cb840828 x21: dfff800000000000 x20: ffff80001502f940 x19: ffff0000c71fc828 x18: 1fffe0003690298e x17: 1fffe0003690298e x16: ffff8000119749f4 x15: ffff8000149aeb80 x14: 1ffff0000292206a x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : 6b7455e389a3e500 x8 : 6b7455e389a3e500 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a95fda0 x2 : ffff0001b4814d10 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:539 efivarfs_destroy+0x20/0x5c fs/efivarfs/super.c:186 __efivar_entry_iter+0x11c/0x19c drivers/firmware/efi/vars.c:1089 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 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x262c/0x32b8 arch/arm64/kernel/signal.c:946 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:609 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: d003ae00 910a8000 aa1303e1 95bec110 (d4210000) ---[ end trace 01b93c2d4b3b8a02 ]---