loop3: detected capacity change from 0 to 262144
F2FS-fs (loop3): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 9279 Comm: syz.3.402 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
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
 down_read+0x58/0x2f8 kernel/locking/rwsem.c:1537
 f2fs_down_read fs/f2fs/f2fs.h:2278 [inline]
 f2fs_get_node_info+0xf0/0x111c fs/f2fs/node.c:581
 __allocate_data_block fs/f2fs/data.c:1396 [inline]
 f2fs_map_blocks+0xac8/0x31e4 fs/f2fs/data.c:1621
 f2fs_iomap_begin+0x2fc/0x6e8 fs/f2fs/data.c:4174
 iomap_iter+0x494/0xe10 fs/iomap/iter.c:108
 __iomap_dio_rw+0xa00/0x1c60 fs/iomap/direct-io.c:731
 f2fs_dio_write_iter fs/f2fs/file.c:5118 [inline]
 f2fs_file_write_iter+0xfcc/0x1ed0 fs/f2fs/file.c:5241
 iter_file_splice_write+0x770/0xd7c fs/splice.c:738
 do_splice_from fs/splice.c:938 [inline]
 direct_splice_actor+0xec/0x14c fs/splice.c:1161
 splice_direct_to_actor+0x414/0x994 fs/splice.c:1105
 do_splice_direct_actor fs/splice.c:1204 [inline]
 do_splice_direct+0x130/0x210 fs/splice.c:1230
 do_sendfile+0x3cc/0x658 fs/read_write.c:1370
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64 fs/read_write.c:1417 [inline]
 __arm64_sys_sendfile64+0x1b4/0x274 fs/read_write.c:1417
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 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+0x5c/0x254 arch/arm64/kernel/entry-common.c:746
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:765
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596