EXT4-fs (loop5): Ignoring removed oldalloc option
EXT4-fs (loop5): mounted filesystem without journal. Opts: stripe=0x0000000000000003,nouid32,jqfmt=vfsold,init_itable,noauto_da_alloc,delalloc,resuid=0x0000000000000000,oldalloc,jqfmt=vfsv1,,errors=continue. Quota mode: none.
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 8525 Comm: syz.5.815 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Call trace:
 dump_backtrace+0x0/0x43c arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3735 [inline]
 validate_chain kernel/locking/lockdep.c:3756 [inline]
 __lock_acquire+0x1b30/0x651c kernel/locking/lockdep.c:5012
 lock_acquire+0x1f4/0x620 kernel/locking/lockdep.c:5623
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xc4/0x14c kernel/locking/spinlock.c:162
 percpu_counter_add_batch+0x150/0x29c lib/percpu_counter.c:90
 __add_wb_stat include/linux/backing-dev.h:70 [inline]
 dec_wb_stat include/linux/backing-dev.h:80 [inline]
 clear_page_dirty_for_io+0x5a0/0x864 mm/page-writeback.c:2763
 mpage_submit_page fs/ext4/inode.c:2093 [inline]
 mpage_process_page_bufs+0x618/0x8c4 fs/ext4/inode.c:2227
 mpage_prepare_extent_to_map+0x9a0/0xda4 fs/ext4/inode.c:2655
 ext4_writepages+0x7b0/0x2c14 fs/ext4/inode.c:2783
 do_writepages+0x36c/0x578 mm/page-writeback.c:2386
 filemap_fdatawrite_wbc+0x1d4/0x234 mm/filemap.c:400
 __filemap_fdatawrite_range mm/filemap.c:433 [inline]
 file_write_and_wait_range+0x100/0x1c0 mm/filemap.c:810
 ext4_sync_file+0x1f4/0xb80 fs/ext4/fsync.c:151
 vfs_fsync_range+0x168/0x188 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2989 [inline]
 ext4_buffered_write_iter+0x4a8/0x538 fs/ext4/file.c:275
 ext4_file_write_iter+0x698/0x14cc include/linux/fs.h:-1
 call_write_iter include/linux/fs.h:2172 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x7c8/0xa2c fs/read_write.c:594
 ksys_pwrite64 fs/read_write.c:701 [inline]
 __do_sys_pwrite64 fs/read_write.c:711 [inline]
 __se_sys_pwrite64 fs/read_write.c:708 [inline]
 __arm64_sys_pwrite64+0x170/0x200 fs/read_write.c:708
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584