bcachefs (loop0): alloc_read... done
bcachefs (loop0): snapshots_read... done
bcachefs (loop0): check_allocations... done
bcachefs (loop0): going read-write
bcachefs (loop0): done starting filesystem
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 8593 Comm: syz.0.237 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]
 bch2_rbio_punt fs/bcachefs/io_read.c:415 [inline]
 bch2_read_endio+0x460/0x908 fs/bcachefs/io_read.c:970
 bio_endio+0x804/0x840 block/bio.c:1651
 __bch2_read_extent+0x22a4/0x3638 fs/bcachefs/io_read.c:1285
 bch2_read_extent fs/bcachefs/io_read.h:147 [inline]
 bchfs_read+0x107c/0x17e8 fs/bcachefs/fs-io-buffered.c:226
 bch2_read_single_folio+0x498/0x6e4 fs/bcachefs/fs-io-buffered.c:360
 __bch2_truncate_folio+0x940/0x1850 fs/bcachefs/fs-io.c:331
 bch2_truncate_folio fs/bcachefs/fs-io.c:393 [inline]
 bchfs_truncate+0x4c4/0xa40 fs/bcachefs/fs-io.c:483
 bch2_setattr+0x198/0x20c fs/bcachefs/fs.c:1241
 notify_change+0x9a4/0xc50 fs/attr.c:552
 do_truncate+0x198/0x210 fs/open.c:68
 vfs_truncate+0x398/0x444 fs/open.c:118
 do_sys_truncate+0xe4/0x1a8 fs/open.c:141
 __do_sys_truncate fs/open.c:153 [inline]
 __se_sys_truncate fs/open.c:151 [inline]
 __arm64_sys_truncate+0x5c/0x74 fs/open.c:151
 __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