loop4: detected capacity change from 0 to 4096
ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512)
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 8507 Comm: syz.4.1050 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Call trace:
 dump_backtrace+0x1c0/0x1ec 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+0xf4/0x15c 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+0x1864/0x6800 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x63c kernel/locking/lockdep.c:5662
 local_lock_acquire+0x44/0x14c include/linux/local_lock_internal.h:29
 consume_obj_stock mm/memcontrol.c:3228 [inline]
 obj_cgroup_charge+0x8c/0x2e4 mm/memcontrol.c:3358
 memcg_slab_pre_alloc_hook mm/slab.h:501 [inline]
 slab_pre_alloc_hook+0x2f8/0x318 mm/slab.h:715
 slab_alloc_node mm/slub.c:3279 [inline]
 slab_alloc mm/slub.c:3367 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3374 [inline]
 kmem_cache_alloc_lru+0x60/0x280 mm/slub.c:3390
 alloc_inode_sb include/linux/fs.h:3245 [inline]
 ovl_alloc_inode+0x2c/0x90 fs/overlayfs/super.c:183
 alloc_inode fs/inode.c:261 [inline]
 iget5_locked+0xa4/0x228 fs/inode.c:1328
 ovl_get_trap_inode+0x84/0x190 fs/overlayfs/inode.c:1126
 ovl_setup_trap fs/overlayfs/super.c:1178 [inline]
 ovl_make_workdir fs/overlayfs/super.c:1396 [inline]
 ovl_get_workdir+0x354/0x10bc fs/overlayfs/super.c:1539
 ovl_fill_super+0x1390/0x2240 fs/overlayfs/super.c:2095
 mount_nodev+0x68/0x104 fs/super.c:1489
 ovl_mount+0x3c/0x50 fs/overlayfs/super.c:2186
 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+0x5bc/0xe80 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/0x59c fs/namespace.c:3606
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 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
overlayfs: upper fs does not support tmpfile.
overlayfs: upper fs does not support RENAME_WHITEOUT.