loop9: detected capacity change from 0 to 128
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 9702 Comm: syz.9.447 Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C)
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 lookup_chain_cache_add kernel/locking/lockdep.c:3851 [inline]
 validate_chain kernel/locking/lockdep.c:3872 [inline]
 __lock_acquire+0x2070/0x7904 kernel/locking/lockdep.c:5226
 lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5849
 do_write_seqcount_begin_nested include/linux/seqlock.h:454 [inline]
 do_write_seqcount_begin include/linux/seqlock.h:480 [inline]
 psi_group_change+0x270/0x11d8 kernel/sched/psi.c:792
 psi_task_change+0xf4/0x228 kernel/sched/psi.c:912
 psi_enqueue kernel/sched/stats.h:162 [inline]
 enqueue_task+0x1e8/0x23c kernel/sched/core.c:2068
 activate_task kernel/sched/core.c:2108 [inline]
 ttwu_do_activate+0x1a0/0x684 kernel/sched/core.c:3720
 ttwu_queue kernel/sched/core.c:3993 [inline]
 try_to_wake_up+0x64c/0x11d4 kernel/sched/core.c:4321
 swake_up_locked kernel/sched/swait.c:29 [inline]
 swake_up_one+0x78/0x13c kernel/sched/swait.c:52
 swake_up_one_online+0xc0/0x198 kernel/rcu/tree.c:1092
 __rcu_report_exp_rnp+0x6d4/0x968 kernel/rcu/tree_exp.h:203
 rcu_report_exp_cpu_mult+0xec/0x53c kernel/rcu/tree_exp.h:252
 rcu_report_exp_rdp kernel/rcu/tree_exp.h:261 [inline]
 rcu_preempt_deferred_qs_irqrestore+0x15c/0xf30 kernel/rcu/tree_plugin.h:517
 rcu_preempt_deferred_qs kernel/rcu/tree_plugin.h:618 [inline]
 rcu_note_context_switch+0x278/0x101c kernel/rcu/tree_plugin.h:355
 __schedule+0x2c8/0x27f0 kernel/sched/core.c:6661
 preempt_schedule_common+0xe8/0x1dc kernel/sched/core.c:6935
 preempt_schedule+0x60/0x80 kernel/sched/core.c:6959
 __up_write kernel/locking/rwsem.c:1375 [inline]
 up_write+0x378/0x760 kernel/locking/rwsem.c:1630
 kernfs_add_one+0x2e8/0x714 fs/kernfs/dir.c:809
 __kernfs_create_file+0x218/0x2d4 fs/kernfs/file.c:1063
 sysfs_add_file_mode_ns+0x1dc/0x298 fs/sysfs/file.c:313
 create_files fs/sysfs/group.c:76 [inline]
 internal_create_group+0x5f0/0xeec fs/sysfs/group.c:183
 internal_create_groups fs/sysfs/group.c:223 [inline]
 sysfs_create_groups+0x60/0x130 fs/sysfs/group.c:249
 create_dir lib/kobject.c:78 [inline]
 kobject_add_internal+0x5d4/0xb04 lib/kobject.c:240
 kobject_add_varg lib/kobject.c:374 [inline]
 kobject_init_and_add+0x130/0x1a0 lib/kobject.c:457
 ext4_register_sysfs+0xb0/0x290 fs/ext4/sysfs.c:567
 __ext4_fill_super fs/ext4/super.c:5642 [inline]
 ext4_fill_super+0x5344/0x57d0 fs/ext4/super.c:5733
 get_tree_bdev_flags+0x38c/0x494 fs/super.c:1636
 get_tree_bdev+0x2c/0x3c fs/super.c:1659
 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5765
 vfs_get_tree+0x90/0x28c fs/super.c:1814
 do_new_mount+0x278/0x900 fs/namespace.c:3507
 path_mount+0x590/0xe04 fs/namespace.c:3834
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4057 [inline]
 __se_sys_mount fs/namespace.c:4034 [inline]
 __arm64_sys_mount+0x4d4/0x5ac fs/namespace.c:4034
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
EXT4-fs (loop9): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 r/w without journal. Quota mode: none.