loop2: detected capacity change from 0 to 7
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 11424 Comm: syz.6.894 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3855 [inline]
 validate_chain kernel/locking/lockdep.c:3876 [inline]
 __lock_acquire+0xf9c/0x30a4 kernel/locking/lockdep.c:5237
 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5868
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154
 __queue_work+0x8b4/0x1210 kernel/workqueue.c:-1
 queue_work_on+0xdc/0x18c kernel/workqueue.c:2392
 queue_work include/linux/workqueue.h:669 [inline]
 loop_queue_work drivers/block/loop.c:864 [inline]
 loop_queue_rq+0x944/0xaa8 drivers/block/loop.c:1891
 __blk_mq_issue_directly block/blk-mq.c:2704 [inline]
 blk_mq_request_issue_directly+0x2c0/0x560 block/blk-mq.c:2791
 blk_mq_issue_direct+0x254/0x558 block/blk-mq.c:2812
 blk_mq_dispatch_queue_requests+0x568/0x674 block/blk-mq.c:2887
 blk_mq_flush_plug_list+0x370/0x488 block/blk-mq.c:2970
 __blk_flush_plug+0x330/0x408 block/blk-core.c:1225
 blk_finish_plug block/blk-core.c:1252 [inline]
 __submit_bio+0x3f4/0x4d8 block/blk-core.c:651
 __submit_bio_noacct_mq block/blk-core.c:724 [inline]
 submit_bio_noacct_nocheck+0x29c/0x9a4 block/blk-core.c:755
 submit_bio_noacct+0xde0/0x186c block/blk-core.c:879
 submit_bio+0x3b4/0x550 block/blk-core.c:921
 submit_bh_wbc+0x3ec/0x4bc fs/buffer.c:2824
 submit_bh fs/buffer.c:2829 [inline]
 block_read_full_folio+0x734/0x824 fs/buffer.c:2461
 blkdev_read_folio+0x28/0x38 block/fops.c:499
 filemap_read_folio+0xec/0x2f8 mm/filemap.c:2444
 do_read_cache_folio+0x364/0x5bc mm/filemap.c:4024
 read_cache_folio+0x68/0x88 mm/filemap.c:4056
 read_mapping_folio include/linux/pagemap.h:999 [inline]
 read_part_sector+0xcc/0x6fc block/partitions/core.c:722
 adfspart_check_ICS+0xa0/0x83c block/partitions/acorn.c:360
 check_partition block/partitions/core.c:141 [inline]
 blk_add_partitions block/partitions/core.c:589 [inline]
 bdev_disk_changed+0x674/0x11fc block/partitions/core.c:693
 loop_reread_partitions+0x68/0x100 drivers/block/loop.c:449
 loop_configure+0x9bc/0xc38 drivers/block/loop.c:1098
 lo_ioctl+0x628/0x177c drivers/block/loop.c:-1
 blkdev_ioctl+0x610/0xac0 block/ioctl.c:705
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __arm64_sys_ioctl+0x14c/0x1c4 fs/ioctl.c:583
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 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+0x5c/0x254 arch/arm64/kernel/entry-common.c:746
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:765
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
Dev loop2: unable to read RDB block 7
 loop2: unable to read partition table
loop2: partition table beyond EOD, truncated
loop_reread_partitions: partition scan of loop2 (þ被xü—ŸÑà– ) failed (rc=-5)