Re: [PATCH v0 1/2] exfat: add volume limit bounds checks

[David Timber <dxdt@dev.snart.me>]

On 4/30/26 16:52, Yuezhang.Mo@sony.com wrote:
>> +	/* Actually try reading the last sector to see if it's within the blockdev bounds */
>> +	bh = sb_bread(sb, last_sector);
>> +	if (bh == NULL) {
>> +		exfat_err(sb, "last sector read failed : %lld", last_sector);
>> +		return -EIO;
>> +	}
>> +	brelse(bh);
> Instead of checking by reading the last sector, we can use bdev_nr_sectors() to 
> get the actual size of the volume.
Agreed. No need for exFAT to actually inspect the data at the last
sector, unlike XFS. Monkey see, monkey doo.