netlink: 12 bytes leftover after parsing attributes in process `syz.7.640'.
loop7: detected capacity change from 0 to 128
FAT-fs (loop7): Invalid FSINFO signature: 0x41615252, 0x614101ff (sector = 1)
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 7611 Comm: syz.7.640 Not tainted 6.1.115-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1b88/0x7680 kernel/locking/lockdep.c:5049
 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x6c/0xb4 kernel/locking/spinlock.c:162
 __debug_object_init+0x70/0x438 lib/debugobjects.c:621
 debug_object_init_on_stack+0x20/0x2c lib/debugobjects.c:674
 init_timer_on_stack_key kernel/time/timer.c:805 [inline]
 schedule_timeout+0x12c/0x344 kernel/time/timer.c:1963
 io_schedule_timeout+0x98/0x130 kernel/sched/core.c:8774
 do_wait_for_common+0x30c/0x468 kernel/sched/completion.c:85
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common_io kernel/sched/completion.c:123 [inline]
 wait_for_completion_io_timeout+0x50/0x74 kernel/sched/completion.c:191
 submit_bio_wait+0x15c/0x210 block/bio.c:1324
 blkdev_issue_flush+0xb8/0x104 block/blk-flush.c:467
 fat_file_fsync+0x160/0x180 fs/fat/file.c:199
 vfs_fsync_range+0x168/0x188 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2962 [inline]
 generic_file_write_iter+0x228/0x2b4 mm/filemap.c:4009
 do_iter_write+0x534/0x964 fs/read_write.c:861
 vfs_iter_write+0x88/0xac fs/read_write.c:902
 iter_file_splice_write+0x62c/0xc5c fs/splice.c:685
 do_splice_from fs/splice.c:763 [inline]
 direct_splice_actor+0xe4/0x1c0 fs/splice.c:950
 splice_direct_to_actor+0x3c4/0x9b4 fs/splice.c:896
 do_splice_direct+0x20c/0x348 fs/splice.c:1002
 generic_copy_file_range fs/read_write.c:1393 [inline]
 vfs_copy_file_range+0x9fc/0x122c fs/read_write.c:1539
 __do_sys_copy_file_range fs/read_write.c:1596 [inline]
 __se_sys_copy_file_range fs/read_write.c:1559 [inline]
 __arm64_sys_copy_file_range+0x578/0x914 fs/read_write.c:1559
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 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