tree 729e1588e6f53c4e97d9b415153b897266f328d2
parent d7cd4dd907c19c0295829c947d79afa290b6fc24
author Qu Wenruo <wqu@suse.com> 1559031714 +0800
committer David Sterba <dsterba@suse.com> 1565188959 +0200

btrfs: trim: Check the range passed into to prevent overflow

Normally the range->len is set to default value (U64_MAX), but when it's
not default value, we should check if the range overflows.

And if it overflows, return -EINVAL before doing anything.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>