===================================== WARNING: bad unlock balance detected! 6.10.0-syzkaller-11323-g7846b618e0a4 #0 Not tainted ------------------------------------- syz-executor/5089 is trying to release lock (&xa->xa_lock) at: [] spin_unlock_irq include/linux/spinlock.h:401 [inline] [] clear_inode+0x69/0x160 fs/inode.c:625 but there are no more locks to release! other info that might help us debug this: 1 lock held by syz-executor/5089: #0: ffff88807a6160e0 (&type->s_umount_key#76){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff88807a6160e0 (&type->s_umount_key#76){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline] #0: ffff88807a6160e0 (&type->s_umount_key#76){+.+.}-{3:3}, at: deactivate_super+0xb5/0xf0 fs/super.c:505 stack backtrace: CPU: 1 PID: 5089 Comm: syz-executor Not tainted 6.10.0-syzkaller-11323-g7846b618e0a4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 print_unlock_imbalance_bug+0x256/0x2c0 kernel/locking/lockdep.c:5199 __lock_release kernel/locking/lockdep.c:5436 [inline] lock_release+0x5cb/0xa30 kernel/locking/lockdep.c:5780 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:157 [inline] _raw_spin_unlock_irq+0x16/0x50 kernel/locking/spinlock.c:202 spin_unlock_irq include/linux/spinlock.h:401 [inline] clear_inode+0x69/0x160 fs/inode.c:625 jfs_evict_inode+0xb5/0x440 fs/jfs/inode.c:166 evict+0x2a8/0x630 fs/inode.c:669 dispose_list fs/inode.c:702 [inline] evict_inodes+0x5f9/0x690 fs/inode.c:752 generic_shutdown_super+0x9d/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1685 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:222 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7efd9e576e87 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd624f0338 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007efd9e576e87 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd624f03f0 RBP: 00007ffd624f03f0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd624f14b0 R13: 00007efd9e5e344c R14: 000000000001bd13 R15: 000000000001ba3e EXT4-fs (loop2): unmounting filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09.