loop6: detected capacity change from 0 to 32768 ocfs2: Mounting device (7,6) on (node local, slot 0) with ordered data mode. BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 0 PID: 11084 Comm: syz.6.1808 Not tainted 6.1.118-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline] validate_chain kernel/locking/lockdep.c:3793 [inline] __lock_acquire+0x1b88/0x7680 kernel/locking/lockdep.c:5049 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662 _raw_spin_lock_nested+0x5c/0x78 kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested kernel/sched/core.c:537 [inline] raw_spin_rq_lock kernel/sched/sched.h:1355 [inline] rq_lock kernel/sched/sched.h:1645 [inline] ttwu_queue kernel/sched/core.c:3899 [inline] try_to_wake_up+0x4c8/0xe60 kernel/sched/core.c:4224 wake_up_process+0x18/0x24 kernel/sched/core.c:4358 wake_up_worker kernel/workqueue.c:859 [inline] insert_work+0x2ac/0x384 kernel/workqueue.c:1369 __queue_work+0xd48/0x136c kernel/workqueue.c:1520 queue_work_on+0xc0/0x16c kernel/workqueue.c:1548 queue_work include/linux/workqueue.h:512 [inline] loop_queue_work drivers/block/loop.c:892 [inline] loop_queue_rq+0x978/0xae0 drivers/block/loop.c:1873 __blk_mq_issue_directly block/blk-mq.c:2625 [inline] __blk_mq_try_issue_directly+0x42c/0x684 block/blk-mq.c:2678 blk_mq_try_issue_directly+0x3c/0x1d8 block/blk-mq.c:2702 blk_mq_submit_bio+0x1088/0x1d08 block/blk-mq.c:3039 __submit_bio+0x214/0x2a0 block/blk-core.c:591 __submit_bio_noacct_mq block/blk-core.c:668 [inline] submit_bio_noacct_nocheck+0x794/0xbf8 block/blk-core.c:697 submit_bio_noacct+0xce8/0x1728 block/blk-core.c:792 submit_bio+0x2c0/0x45c block/blk-core.c:837 submit_bh_wbc+0x398/0x468 fs/buffer.c:2702 submit_bh+0x2c/0x3c fs/buffer.c:2707 ocfs2_read_blocks+0xbb4/0x17e0 fs/ocfs2/buffer_head_io.c:330 ocfs2_read_inode_block_full fs/ocfs2/inode.c:1593 [inline] ocfs2_read_inode_block+0xf0/0x1a8 fs/ocfs2/inode.c:1605 ocfs2_find_entry_id fs/ocfs2/dir.c:405 [inline] ocfs2_find_entry+0x930/0x2620 fs/ocfs2/dir.c:1078 ocfs2_find_files_on_disk+0x130/0x468 fs/ocfs2/dir.c:1982 ocfs2_lookup_ino_from_name+0xb8/0x1d4 fs/ocfs2/dir.c:2004 ocfs2_lookup+0x28c/0xc0c fs/ocfs2/namei.c:122 lookup_open fs/namei.c:3460 [inline] open_last_lookups fs/namei.c:3550 [inline] path_openat+0xd3c/0x2548 fs/namei.c:3780 do_filp_open+0x1bc/0x3cc fs/namei.c:3810 do_sys_openat2+0x128/0x3e0 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_openat fs/open.c:1350 [inline] __se_sys_openat fs/open.c:1345 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1345 __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+0x58/0x168 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