EXT4-fs: Ignoring removed oldalloc option
EXT4-fs: inline encryption not supported
EXT4-fs: Ignoring removed mblk_io_submit option
EXT4-fs (loop7): feature flags set on rev 0 fs, running e2fsck is recommended
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 8595 Comm: syz.7.288 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
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
 do_write_seqcount_begin_nested include/linux/seqlock.h:477 [inline]
 do_write_seqcount_begin include/linux/seqlock.h:503 [inline]
 psi_write_begin+0x1b0/0x320 kernel/sched/psi.c:183
 psi_task_change+0xd8/0x318 kernel/sched/psi.c:919
 psi_enqueue kernel/sched/stats.h:166 [inline]
 enqueue_task+0x250/0x2f4 kernel/sched/core.c:2092
 activate_task kernel/sched/core.c:2132 [inline]
 ttwu_do_activate+0x1a4/0x764 kernel/sched/core.c:3741
 ttwu_queue kernel/sched/core.c:4004 [inline]
 try_to_wake_up+0x4c4/0xe24 kernel/sched/core.c:4328
 wake_up_process+0x18/0x24 kernel/sched/core.c:4459
 kick_pool+0x3e0/0x58c kernel/workqueue.c:1283
 __queue_work+0xdbc/0x1210 kernel/workqueue.c:2340
 queue_work_on+0xdc/0x18c kernel/workqueue.c:2390
 queue_work include/linux/workqueue.h:669 [inline]
 loop_queue_work drivers/block/loop.c:852 [inline]
 loop_queue_rq+0x944/0xaa8 drivers/block/loop.c:1878
 __blk_mq_issue_directly block/blk-mq.c:2695 [inline]
 blk_mq_request_issue_directly+0x2c0/0x560 block/blk-mq.c:2782
 blk_mq_issue_direct+0x254/0x558 block/blk-mq.c:2803
 blk_mq_dispatch_queue_requests+0x568/0x674 block/blk-mq.c:2878
 blk_mq_flush_plug_list+0x370/0x488 block/blk-mq.c:2961
 __blk_flush_plug+0x330/0x408 block/blk-core.c:1220
 blk_finish_plug+0x68/0x90 block/blk-core.c:1247
 ext4_mb_prefetch+0x2bc/0x32c fs/ext4/mballoc.c:2852
 ext4_mb_might_prefetch fs/ext4/mballoc.c:2882 [inline]
 ext4_mb_scan_group+0x23c/0x1560 fs/ext4/mballoc.c:2927
 ext4_mb_scan_groups_linear+0xe8/0x330 fs/ext4/mballoc.c:1146
 ext4_mb_scan_groups fs/ext4/mballoc.c:1180 [inline]
 ext4_mb_regular_allocator+0x6b0/0x2284 fs/ext4/mballoc.c:3026
 ext4_mb_new_blocks+0xb7c/0x4248 fs/ext4/mballoc.c:6285
 ext4_ext_map_blocks+0x10bc/0x5494 fs/ext4/extents.c:4383
 ext4_map_create_blocks fs/ext4/inode.c:609 [inline]
 ext4_map_blocks+0x6f0/0x14a8 fs/ext4/inode.c:811
 ext4_getblk+0x170/0x6c4 fs/ext4/inode.c:978
 ext4_bread+0x3c/0x1b0 fs/ext4/inode.c:1041
 ext4_quota_write+0x228/0x530 fs/ext4/super.c:7297
 write_blk fs/quota/quota_tree.c:70 [inline]
 get_free_dqblk+0x2d0/0x63c fs/quota/quota_tree.c:136
 do_insert_tree+0x1d4/0xca8 fs/quota/quota_tree.c:347
 do_insert_tree+0x7a0/0xca8 fs/quota/quota_tree.c:402
 do_insert_tree+0x7a0/0xca8 fs/quota/quota_tree.c:402
 do_insert_tree+0x7a0/0xca8 fs/quota/quota_tree.c:402
 dq_insert_tree fs/quota/quota_tree.c:432 [inline]
 qtree_write_dquot+0x3bc/0x4c8 fs/quota/quota_tree.c:451
 v2_write_dquot+0x124/0x1f0 fs/quota/quota_v2.c:372
 dquot_acquire+0x2d0/0x598 fs/quota/dquot.c:470
 ext4_acquire_dquot+0x270/0x428 fs/ext4/super.c:6929
 dqget+0x654/0xccc fs/quota/dquot.c:977
 __dquot_initialize+0x2d4/0xa80 fs/quota/dquot.c:1505
 dquot_initialize+0x24/0x34 fs/quota/dquot.c:1567
 ext4_process_orphan+0x5c/0x2b4 fs/ext4/orphan.c:329
 ext4_orphan_cleanup+0x930/0x107c fs/ext4/orphan.c:474
 __ext4_fill_super fs/ext4/super.c:5605 [inline]
 ext4_fill_super+0x46fc/0x4e88 fs/ext4/super.c:5724
 get_tree_bdev_flags+0x360/0x414 fs/super.c:1692
 get_tree_bdev+0x2c/0x3c fs/super.c:1715
 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5756
 vfs_get_tree+0x90/0x28c fs/super.c:1815
 do_new_mount+0x278/0x7f4 fs/namespace.c:3805
 path_mount+0x5b4/0xde0 fs/namespace.c:4120
 do_mount fs/namespace.c:4133 [inline]
 __do_sys_mount fs/namespace.c:4344 [inline]
 __se_sys_mount fs/namespace.c:4321 [inline]
 __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4321
 __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+0x58/0x180 arch/arm64/kernel/entry-common.c:879
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
EXT4-fs error (device loop7): ext4_validate_block_bitmap:441: comm syz.7.288: bg 0: block 64: padding at end of block bitmap is not set
Quota error (device loop7): write_blk: dquota write failed
Quota error (device loop7): qtree_write_dquot: Error -117 occurred while creating quota
EXT4-fs error (device loop7): ext4_acquire_dquot:6933: comm syz.7.288: Failed to acquire dquot type 0
EXT4-fs (loop7): 1 truncate cleaned up
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
Quota error (device loop7): write_blk: dquota write failed
Quota error (device loop7): qtree_write_dquot: Error -28 occurred while creating quota
EXT4-fs error (device loop7): ext4_acquire_dquot:6933: comm syz.7.288: Failed to acquire dquot type 0