loop5: detected capacity change from 0 to 32768
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 7275 Comm: syz.5.524 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1b40/0x6544 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x644 kernel/locking/lockdep.c:5662
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x6c/0xb4 kernel/locking/spinlock.c:162
 __stack_depot_save+0x1c4/0x4b8 lib/stackdepot.c:479
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x64/0x80 mm/kasan/common.c:52
 kasan_save_free_info+0x3c/0x60 mm/kasan/generic.c:516
 ____kasan_slab_free+0x148/0x1b0 mm/kasan/common.c:236
 __kasan_slab_free+0x18/0x28 mm/kasan/common.c:244
 kasan_slab_free include/linux/kasan.h:177 [inline]
 slab_free_hook mm/slub.c:1729 [inline]
 slab_free_freelist_hook+0x16c/0x1ec mm/slub.c:1755
 slab_free mm/slub.c:3687 [inline]
 __kmem_cache_free+0xc0/0x224 mm/slub.c:3700
 kfree+0xd0/0x1ac mm/slab_common.c:988
 memcg_free_slab_cgroups mm/slab.h:456 [inline]
 unaccount_slab mm/slab.h:645 [inline]
 __free_slab+0xb0/0x2a0 mm/slub.c:2020
 free_slab mm/slub.c:2036 [inline]
 discard_slab+0x58/0xdc mm/slub.c:2042
 __slab_free+0x1e8/0x274 mm/slub.c:3600
 do_slab_free mm/slub.c:3641 [inline]
 ___cache_free+0x16c/0x19c mm/slub.c:3694
 qlink_free+0x5c/0xa4 mm/kasan/quarantine.c:168
 qlist_free_all+0x3c/0xcc mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x124/0x130 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x2c/0x88 mm/kasan/common.c:305
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x74/0x43c mm/slab.h:737
 slab_alloc_node mm/slub.c:3359 [inline]
 slab_alloc mm/slub.c:3367 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3374 [inline]
 kmem_cache_alloc_lru+0x1b0/0x298 mm/slub.c:3390
 alloc_inode_sb include/linux/fs.h:3245 [inline]
 ocfs2_alloc_inode+0x2c/0xd8 fs/ocfs2/super.c:549
 alloc_inode fs/inode.c:261 [inline]
 iget5_locked+0xa4/0x228 fs/inode.c:1328
 ocfs2_iget+0x21c/0x1998 fs/ocfs2/inode.c:147
 _ocfs2_get_system_file_inode fs/ocfs2/sysfile.c:142 [inline]
 ocfs2_get_system_file_inode+0x2e0/0x644 fs/ocfs2/sysfile.c:112
 ocfs2_init_global_system_inodes+0x2a8/0x594 fs/ocfs2/super.c:457
 ocfs2_initialize_super fs/ocfs2/super.c:2253 [inline]
 ocfs2_fill_super+0x210c/0x3e98 fs/ocfs2/super.c:994
 mount_bdev+0x264/0x358 fs/super.c:1443
 ocfs2_mount+0x44/0x58 fs/ocfs2/super.c:1186
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
 vfs_get_tree+0x90/0x274 fs/super.c:1573
 do_new_mount+0x228/0x810 fs/namespace.c:3078
 path_mount+0x5b4/0xe78 fs/namespace.c:3408
 do_mount fs/namespace.c:3421 [inline]
 __do_sys_mount fs/namespace.c:3629 [inline]
 __se_sys_mount fs/namespace.c:3606 [inline]
 __arm64_sys_mount+0x49c/0x584 fs/namespace.c:3606
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
ocfs2: Mounting device (7,5) on (node local, slot 0) with writeback data mode.