BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 8264 Comm: syz.5.1122 Not tainted 5.15.185-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
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
 local_lock_acquire+0x44/0x14c include/linux/local_lock_internal.h:29
 free_unref_page_list+0x2fc/0x754 mm/page_alloc.c:3452
 release_pages+0x13c8/0x16e0 mm/swap.c:963
 __pagevec_lru_add+0x12d4/0x15d4 mm/swap.c:1056
 lru_cache_add+0x470/0x6e4 mm/swap.c:453
 add_to_page_cache_lru+0x248/0x430 mm/filemap.c:1000
 page_cache_ra_unbounded+0x324/0x5dc mm/readahead.c:222
 do_page_cache_ra mm/readahead.c:269 [inline]
 ondemand_readahead+0x63c/0xce0 mm/readahead.c:552
 page_cache_sync_ra+0x130/0x180 mm/readahead.c:580
 page_cache_sync_readahead include/linux/pagemap.h:833 [inline]
 filemap_get_pages mm/filemap.c:2551 [inline]
 filemap_read+0x40c/0x1720 mm/filemap.c:2634
 generic_file_read_iter+0xe8/0x518 mm/filemap.c:2794
 call_read_iter include/linux/fs.h:2166 [inline]
 new_sync_read fs/read_write.c:404 [inline]
 vfs_read+0x7c4/0xa10 fs/read_write.c:485
 ksys_read+0x120/0x210 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __arm64_sys_read+0x7c/0x90 fs/read_write.c:631
 __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