BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 4328 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026
Call trace:
 dump_backtrace+0x1c4/0x1f0 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+0x1810/0x6610 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x638 kernel/locking/lockdep.c:5662
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x54/0x6c kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 f2fs_submit_page_write+0x18c/0x1478 fs/f2fs/data.c:969
 do_write_page+0x328/0x5d0 fs/f2fs/segment.c:3372
 f2fs_outplace_write_data+0xc8/0x1a4 fs/f2fs/segment.c:3429
 f2fs_do_write_data_page+0xb8c/0x1060 fs/f2fs/data.c:2777
 f2fs_write_single_data_page+0x650/0x11fc fs/f2fs/data.c:2869
 f2fs_write_cache_pages fs/f2fs/data.c:3188 [inline]
 __f2fs_write_data_pages fs/f2fs/data.c:3359 [inline]
 f2fs_write_data_pages+0x1698/0x27ec fs/f2fs/data.c:3388
 do_writepages+0x2c4/0x50c mm/page-writeback.c:2491
 filemap_fdatawrite_wbc+0x124/0x174 mm/filemap.c:388
 __filemap_fdatawrite_range mm/filemap.c:421 [inline]
 __filemap_fdatawrite mm/filemap.c:427 [inline]
 filemap_fdatawrite+0xd0/0x12c mm/filemap.c:432
 f2fs_sync_dirty_inodes+0x2c0/0x7f8 fs/f2fs/checkpoint.c:1115
 block_operations fs/f2fs/checkpoint.c:1253 [inline]
 f2fs_write_checkpoint+0x88c/0x17a0 fs/f2fs/checkpoint.c:1658
 f2fs_issue_checkpoint+0x25c/0x39c fs/f2fs/checkpoint.c:1865
 f2fs_sync_fs+0x1dc/0x4d8 fs/f2fs/super.c:1712
 f2fs_unlink+0x574/0xbb0 fs/f2fs/namei.c:585
 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4330
 do_unlinkat+0x318/0x504 fs/namei.c:4398
 __do_sys_unlinkat fs/namei.c:4441 [inline]
 __se_sys_unlinkat fs/namei.c:4434 [inline]
 __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4434
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 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