REISERFS (device loop5): Using tea hash to sort names
REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage.
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 10525 Comm: syz.5.1179 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Call trace:
 dump_backtrace+0x1c0/0x1ec arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf4/0x15c 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:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1864/0x6800 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x63c kernel/locking/lockdep.c:5662
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x6c/0xb0 kernel/locking/spinlock.c:162
 rmqueue_bulk mm/page_alloc.c:3158 [inline]
 __rmqueue_pcplist+0x160/0xf2c mm/page_alloc.c:3814
 rmqueue_pcplist mm/page_alloc.c:3856 [inline]
 rmqueue mm/page_alloc.c:3899 [inline]
 get_page_from_freelist+0x608/0x1fa4 mm/page_alloc.c:4354
 __alloc_pages+0x1cc/0x53c mm/page_alloc.c:5657
 alloc_pages+0x434/0x6f8 mm/mempolicy.c:-1
 folio_alloc+0x28/0x6c mm/mempolicy.c:2292
 filemap_alloc_folio+0xc4/0x42c mm/filemap.c:999
 __filemap_get_folio+0x65c/0xac0 mm/filemap.c:1993
 pagecache_get_page+0x3c/0x16c mm/folio-compat.c:110
 grab_cache_page_write_begin+0x58/0x74 mm/folio-compat.c:122
 reiserfs_write_begin+0x64/0x714 fs/reiserfs/inode.c:2759
 generic_perform_write+0x234/0x4f4 mm/filemap.c:3862
 __generic_file_write_iter+0x130/0x250 mm/filemap.c:3960
 generic_file_write_iter+0xb4/0x2b0 mm/filemap.c:3989
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x3ec/0x7f0 fs/read_write.c:584
 ksys_write+0x12c/0x224 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:646
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585